feat: add parsing from files

ApiDto/Common/CronUpdateSkip.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace Mirea.Api.Dto.Common;
+
+/// <summary>
+/// Represents a date or date range to skip during cron update scheduling.
+/// </summary>
+public class CronUpdateSkip
+{
+    /// <summary>
+    /// Gets or sets the start date of the skip range.
+    /// </summary>
+    public DateOnly? Start { get; set; }
+
+    /// <summary>
+    /// Gets or sets the end date of the skip range.
+    /// </summary>
+    public DateOnly? End { get; set; }
+
+    /// <summary>
+    /// Gets or sets a specific date to skip.
+    /// </summary>
+    public DateOnly? Date { get; set; }
+}

ApiDto/Requests/ScheduleRequest.cs

@@ -8,30 +8,30 @@ public class ScheduleRequest
     /// <summary>
     /// Gets or sets an array of group IDs.
     /// </summary>
-    /// <remarks>This array can contain null values.</remarks>
     public int[]? Groups { get; set; } = null;
 
     /// <summary>
     /// Gets or sets a value indicating whether to retrieve schedules for even weeks.
     /// </summary>
-    /// <remarks>This property can contain null.</remarks>
     public bool? IsEven { get; set; } = null;
 
     /// <summary>
     /// Gets or sets an array of discipline IDs.
     /// </summary>
-    /// <remarks>This array can contain null values.</remarks>
     public int[]? Disciplines { get; set; } = null;
 
     /// <summary>
     /// Gets or sets an array of professor IDs.
     /// </summary>
-    /// <remarks>This array can contain null values.</remarks>
     public int[]? Professors { get; set; } = null;
 
     /// <summary>
     /// Gets or sets an array of lecture hall IDs.
     /// </summary>
-    /// <remarks>This array can contain null values.</remarks>
     public int[]? LectureHalls { get; set; } = null;
+
+    /// <summary>
+    /// Gets or sets an array of lesson type IDs.
+    /// </summary>
+    public int[]? LessonType { get; set; } = null;
 }

ApiDto/Responses/Configuration/CronUpdateScheduleResponse.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+
+namespace Mirea.Api.Dto.Responses.Configuration;
+
+/// <summary>
+/// Represents the response containing the cron update schedule and the next scheduled task dates.
+/// </summary>
+public class CronUpdateScheduleResponse
+{
+    /// <summary>
+    /// Gets or sets the cron expression representing the update schedule.
+    /// </summary>
+    [Required]
+    public required string Cron { get; set; }
+
+    /// <summary>
+    /// Gets or sets the list of next scheduled task dates based on the cron expression.
+    /// </summary>
+    [Required]
+    public required List<DateTime> NextStart { get; set; }
+}

ApiDto/Responses/FacultyResponse.cs

@@ -3,7 +3,7 @@
 namespace Mirea.Api.Dto.Responses;
 
 /// <summary>
-/// Represents basic information about a faculty.
+/// Represents information about a faculty.
 /// </summary>
 public class FacultyResponse
 {

ApiDto/Responses/LessonTypeResponse.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Mirea.Api.Dto.Responses;
+
+/// <summary>
+/// Represents information about a lesson type.
+/// </summary>
+public class LessonTypeResponse
+{
+    /// <summary>
+    /// Gets or sets the unique identifier of the lesson type.
+    /// </summary>
+    [Required]
+    public int Id { get; set; }
+
+    /// <summary>
+    /// Gets or sets the name of the lesson type.
+    /// </summary>
+    [Required]
+    public required string Name { get; set; }
+}

Endpoint/Common/MapperDto/CronUpdateSkipConverter.cs

@@ -0,0 +1,19 @@
+using Mirea.Api.Endpoint.Common.Services;
+using Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Mirea.Api.Endpoint.Common.MapperDto;
+
+public static class CronUpdateSkipConverter
+{
+    public static List<Dto.Common.CronUpdateSkip> ConvertToDto(this IEnumerable<ScheduleSettings.CronUpdateSkip> pairPeriod) =>
+        pairPeriod.Select(x => new Dto.Common.CronUpdateSkip()
+        {
+            Start = x.Start,
+            End = x.End,
+            Date = x.Date
+        }).ToList();
+    public static List<ScheduleSettings.CronUpdateSkip> ConvertFromDto(this IEnumerable<Dto.Common.CronUpdateSkip> pairPeriod) =>
+        pairPeriod.Select(x => x.Get()).ToList();
+}

Endpoint/Common/Services/CronUpdateSkipService.cs

@@ -0,0 +1,79 @@
+using Cronos;
+using Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Mirea.Api.Endpoint.Common.Services;
+
+public static class CronUpdateSkipService
+{
+    public static ScheduleSettings.CronUpdateSkip Get(this Dto.Common.CronUpdateSkip date)
+    {
+        if (date.Date.HasValue)
+            return new ScheduleSettings.CronUpdateSkip(date.Date.Value);
+        if (date is { Start: not null, End: not null })
+            return new ScheduleSettings.CronUpdateSkip(date.Start.Value, date.End.Value);
+
+        throw new ArgumentException("It is impossible to create a structure because it has incorrect values.");
+    }
+
+    public static List<ScheduleSettings.CronUpdateSkip> FilterDateEntry(this List<ScheduleSettings.CronUpdateSkip> data, DateOnly? currentDate = null)
+    {
+        currentDate ??= DateOnly.FromDateTime(DateTime.Now);
+        return data.OrderBy(x => x.End ?? x.Date)
+            .Where(x => x.Date == currentDate || (x.Start <= currentDate && x.End >= currentDate))
+            .ToList();
+    }
+
+    public static List<ScheduleSettings.CronUpdateSkip> FilterDateEntry(this List<ScheduleSettings.CronUpdateSkip> data, DateTime? currentDate = null) =>
+        data.FilterDateEntry(DateOnly.FromDateTime(currentDate ?? DateTime.Now));
+
+    public static List<ScheduleSettings.CronUpdateSkip> Filter(this List<ScheduleSettings.CronUpdateSkip> data, DateOnly? currentDate = null)
+    {
+        currentDate ??= DateOnly.FromDateTime(DateTime.Now);
+
+        return data.Where(x => x.Date >= currentDate || x.End >= currentDate)
+            .OrderBy(x => x.End ?? x.Date)
+            .ToList();
+    }
+        
+
+    public static List<DateTimeOffset> GetNextTask(this List<ScheduleSettings.CronUpdateSkip> data,
+        CronExpression expression, int depth = 1, DateOnly? currentDate = null)
+    {
+        if (depth <= 0)
+            return [];
+
+        currentDate ??= DateOnly.FromDateTime(DateTime.UtcNow);
+        DateTimeOffset nextRunTime = currentDate.Value.ToDateTime(new TimeOnly(0, 0, 0));
+
+        List<DateTimeOffset> result = [];
+
+        do
+        {
+            var lastSkip = data.FilterDateEntry(nextRunTime.DateTime).LastOrDefault();
+
+            if (lastSkip is { Start: not null, End: not null })
+                nextRunTime = new DateTimeOffset(lastSkip.End.Value.AddDays(1), new TimeOnly(0, 0, 0), TimeSpan.Zero);
+            else if (lastSkip.Date.HasValue)
+                nextRunTime = new DateTimeOffset(lastSkip.Date.Value.AddDays(1), new TimeOnly(0, 0, 0), TimeSpan.Zero);
+
+            var next = expression.GetNextOccurrence(nextRunTime, TimeZoneInfo.Local);
+
+            if (!next.HasValue)
+                return result;
+
+            nextRunTime = next.Value;
+
+            if (data.FilterDateEntry(nextRunTime.DateTime).Any())
+                continue;
+
+            result.Add(nextRunTime);
+            nextRunTime = nextRunTime.AddMinutes(1);
+
+        } while (result.Count < depth);
+
+        return result;
+    }
+}

Endpoint/Common/Services/ScheduleSyncManager.cs

@@ -4,12 +4,7 @@ namespace Mirea.Api.Endpoint.Common.Services;
 
 public static class ScheduleSyncManager
 {
-    public static event Action? OnUpdateIntervalRequested;
     public static event Action? OnForceSyncRequested;
-
-    public static void RequestIntervalUpdate() =>
-        OnUpdateIntervalRequested?.Invoke();
-
     public static void RequestForceSync() =>
         OnForceSyncRequested?.Invoke();
 }

Endpoint/Configuration/Core/BackgroundTasks/ScheduleSyncService.cs

@@ -5,8 +5,11 @@ using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using Mirea.Api.Endpoint.Common.Services;
 using Mirea.Api.Endpoint.Configuration.Model;
+using Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
 using Mirea.Api.Endpoint.Sync;
 using System;
+using System.Collections.Generic;
+using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 
@@ -15,23 +18,46 @@ namespace Mirea.Api.Endpoint.Configuration.Core.BackgroundTasks;
 public class ScheduleSyncService : IHostedService, IDisposable
 {
     private Timer? _timer;
-    private readonly IOptionsMonitor<GeneralConfig> _generalConfigMonitor;
+    private string _cronUpdate;
+    private List<ScheduleSettings.CronUpdateSkip> _cronUpdateSkip;
     private readonly ILogger<ScheduleSyncService> _logger;
     private CancellationTokenSource _cancellationTokenSource = new();
     private readonly IServiceProvider _serviceProvider;
+    private readonly IDisposable? _onChangeUpdateCron;
 
     public ScheduleSyncService(IOptionsMonitor<GeneralConfig> generalConfigMonitor, ILogger<ScheduleSyncService> logger, IServiceProvider serviceProvider)
     {
-        _generalConfigMonitor = generalConfigMonitor;
         _logger = logger;
         _serviceProvider = serviceProvider;
+        _cronUpdate = generalConfigMonitor.CurrentValue.ScheduleSettings!.CronUpdateSchedule;
+        _cronUpdateSkip = generalConfigMonitor.CurrentValue.ScheduleSettings!.CronUpdateSkipDateList;
 
         ScheduleSyncManager.OnForceSyncRequested += OnForceSyncRequested;
-        ScheduleSyncManager.OnUpdateIntervalRequested += OnUpdateIntervalRequested;
+        _onChangeUpdateCron = generalConfigMonitor.OnChange((config) =>
+        {
+            var updated = false;
+            if (config.ScheduleSettings?.CronUpdateSchedule != null && _cronUpdate != config.ScheduleSettings.CronUpdateSchedule)
+            {
+                _cronUpdate = config.ScheduleSettings.CronUpdateSchedule;
+                updated = true;
+            }
+
+            if (config.ScheduleSettings?.CronUpdateSkipDateList != null && !config.ScheduleSettings.CronUpdateSkipDateList.SequenceEqual(_cronUpdateSkip))
+            {
+                _cronUpdateSkip = config.ScheduleSettings.CronUpdateSkipDateList
+                    .OrderBy(x => x.End ?? x.Date)
+                    .ToList();
+                updated = true;
+            }
+
+            if (updated)
+                OnUpdateIntervalRequested();
+        });
     }
 
     private void OnForceSyncRequested()
     {
+        _logger.LogInformation("It was requested to synchronize the data immediately.");
         StopAsync(CancellationToken.None).ContinueWith(_ =>
         {
             _cancellationTokenSource = new CancellationTokenSource();
@@ -41,6 +67,7 @@ public class ScheduleSyncService : IHostedService, IDisposable
 
     private void OnUpdateIntervalRequested()
     {
+        _logger.LogInformation("It was requested to update the time interval immediately.");
         StopAsync(CancellationToken.None).ContinueWith(_ =>
         {
             StartAsync(CancellationToken.None);
@@ -49,31 +76,33 @@ public class ScheduleSyncService : IHostedService, IDisposable
 
     private void ScheduleNextRun()
     {
-        var cronExpression = _generalConfigMonitor.CurrentValue.ScheduleSettings?.CronUpdateSchedule;
-        if (string.IsNullOrEmpty(cronExpression))
+        if (string.IsNullOrEmpty(_cronUpdate))
         {
             _logger.LogWarning("Cron expression is not set. The scheduled task will not run.");
             return;
         }
 
-        var nextRunTime = CronExpression.Parse(cronExpression).GetNextOccurrence(DateTimeOffset.Now, TimeZoneInfo.Local);
+        var expression = CronExpression.Parse(_cronUpdate);
 
-        if (!nextRunTime.HasValue)
+        var nextRunTime = _cronUpdateSkip.GetNextTask(expression).FirstOrDefault();
+
+        if (nextRunTime == default)
         {
-            _logger.LogWarning("No next run time found. The task will not be scheduled. Timezone: {TimeZone}", TimeZoneInfo.Local.DisplayName);
+            _logger.LogWarning("No next run time found. The task will not be scheduled. Timezone: {TimeZone}",
+                TimeZoneInfo.Local.DisplayName);
             return;
         }
 
-        _logger.LogInformation("Next task run in {Time}", nextRunTime.Value.ToString("G"));
+        _logger.LogInformation("Next task run in {Time}", nextRunTime.ToString("G"));
 
-        var delay = (nextRunTime.Value - DateTimeOffset.Now).TotalMilliseconds;
+        var delay = (nextRunTime - DateTimeOffset.Now).TotalMilliseconds;
 
         // The chance is small, but it's better to check
         if (delay <= 0)
             delay = 1;
 
         _cancellationTokenSource = new CancellationTokenSource();
-        _timer = new Timer(ExecuteTask, null, (int)delay, Timeout.Infinite);
+        _timer = new Timer(ExecuteTask, null, delay > int.MaxValue ? int.MaxValue : (int)delay, Timeout.Infinite);
     }
 
     private async void ExecuteTask(object? state)
@@ -112,7 +141,7 @@ public class ScheduleSyncService : IHostedService, IDisposable
         StopAsync(CancellationToken.None).GetAwaiter().GetResult();
         _timer?.Dispose();
         ScheduleSyncManager.OnForceSyncRequested -= OnForceSyncRequested;
-        ScheduleSyncManager.OnUpdateIntervalRequested -= OnUpdateIntervalRequested;
+        _onChangeUpdateCron?.Dispose();
         _cancellationTokenSource.Dispose();
 
         GC.SuppressFinalize(this);

Endpoint/Configuration/Core/Startup/SwaggerConfiguration.cs

@@ -17,9 +17,11 @@ public static class SwaggerConfiguration
     {
         services.AddSwaggerGen(options =>
         {
-            options.SchemaFilter<SwaggerExampleFilter>();
-            options.OperationFilter<SwaggerDefaultValues>();
+            options.OperationFilter<TagSchemeFilter>();
+            options.SchemaFilter<ExampleFilter>();
+            options.OperationFilter<DefaultValues>();
             options.OperationFilter<ActionResultSchemaFilter>();
+            options.SchemaFilter<EnumSchemaFilter>();
             var basePath = AppDomain.CurrentDomain.BaseDirectory;
 
             options.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme

Endpoint/Configuration/Model/GeneralSettings/ScheduleSettings.cs

@@ -31,9 +31,33 @@ public class ScheduleSettings : IIsConfigured
         public PairPeriodTime(Dto.Common.PairPeriodTime time) : this(time.Start, time.End) { }
     }
 
+    public record struct CronUpdateSkip
+    {
+        public DateOnly? Start { get; set; }
+        public DateOnly? End { get; set; }
+        public DateOnly? Date { get; set; }
+
+        public CronUpdateSkip(DateOnly d1, DateOnly d2)
+        {
+            if (d1 > d2)
+            {
+                Start = d2;
+                End = d1;
+            }
+            else
+            {
+                Start = d1;
+                End = d2;
+            }
+        }
+
+        public CronUpdateSkip(DateOnly d1) => Date = d1;
+    }
+
     public required string CronUpdateSchedule { get; set; }
     public DateOnly StartTerm { get; set; }
     public required IDictionary<int, PairPeriodTime> PairPeriod { get; set; }
+    public List<CronUpdateSkip> CronUpdateSkipDateList { get; set; } = [];
 
     public bool IsConfigured()
     {

Endpoint/Configuration/SwaggerOptions/ConfigureSwaggerOptions.cs

@@ -12,9 +12,7 @@ public class ConfigureSwaggerOptions(IApiVersionDescriptionProvider provider) :
     public void Configure(SwaggerGenOptions options)
     {
         foreach (var description in provider.ApiVersionDescriptions)
-        {
             options.SwaggerDoc(description.GroupName, CreateInfoForApiVersion(description));
-        }
     }
 
     private static OpenApiInfo CreateInfoForApiVersion(ApiVersionDescription description)

Endpoint/Configuration/SwaggerOptions/DefaultValues.cs

@@ -8,7 +8,7 @@ using System.Text.Json;
 
 namespace Mirea.Api.Endpoint.Configuration.SwaggerOptions;
 
-public class SwaggerDefaultValues : IOperationFilter
+public class DefaultValues : IOperationFilter
 {
     public void Apply(OpenApiOperation operation, OperationFilterContext context)
     {
@@ -23,16 +23,12 @@ public class SwaggerDefaultValues : IOperationFilter
             foreach (var contentType in response.Content.Keys)
             {
                 if (responseType.ApiResponseFormats.All(x => x.MediaType != contentType))
-                {
                     response.Content.Remove(contentType);
-                }
             }
         }
 
         if (operation.Parameters == null)
-        {
             return;
-        }
 
         foreach (var parameter in operation.Parameters)
         {

Endpoint/Configuration/SwaggerOptions/EnumSchemaFilter.cs

@@ -0,0 +1,28 @@
+using Microsoft.OpenApi.Any;
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+using System;
+using System.Linq;
+
+namespace Mirea.Api.Endpoint.Configuration.SwaggerOptions;
+
+public class EnumSchemaFilter : ISchemaFilter
+{
+    public void Apply(OpenApiSchema schema, SchemaFilterContext context)
+    {
+        if (!context.Type.IsEnum)
+            return;
+
+        schema.Enum.Clear();
+
+        var enumValues = Enum.GetNames(context.Type)
+            .Select(name => new OpenApiString(name))
+            .ToList();
+
+        foreach (var value in enumValues)
+            schema.Enum.Add(value);
+
+        schema.Type = "string";
+        schema.Format = null;
+    }
+}

Endpoint/Configuration/SwaggerOptions/ExampleFilter.cs

@@ -5,7 +5,7 @@ using System.Reflection;
 
 namespace Mirea.Api.Endpoint.Configuration.SwaggerOptions;
 
-public class SwaggerExampleFilter : ISchemaFilter
+public class ExampleFilter : ISchemaFilter
 {
     public void Apply(OpenApiSchema schema, SchemaFilterContext context)
     {

Endpoint/Configuration/SwaggerOptions/TagSchemeFilter.cs

@@ -0,0 +1,40 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc.Controllers;
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+using System.Linq;
+using System.Reflection;
+
+namespace Mirea.Api.Endpoint.Configuration.SwaggerOptions;
+
+public class TagSchemeFilter : IOperationFilter
+{
+    public void Apply(OpenApiOperation operation, OperationFilterContext context)
+    {
+        if (context.ApiDescription.ActionDescriptor is not ControllerActionDescriptor controllerActionDescriptor)
+            return;
+
+        var controllerType = controllerActionDescriptor.ControllerTypeInfo;
+
+        var tagsAttribute = controllerType.GetCustomAttributes<TagsAttribute>(inherit: true).FirstOrDefault();
+
+        if (tagsAttribute == null)
+        {
+            var baseType = controllerType.BaseType;
+            while (baseType != null)
+            {
+                tagsAttribute = baseType.GetCustomAttributes<TagsAttribute>(inherit: true).FirstOrDefault();
+                if (tagsAttribute != null)
+                    break;
+
+                baseType = baseType.BaseType;
+            }
+        }
+
+        if (tagsAttribute == null)
+            return;
+
+        operation.Tags ??= [];
+        operation.Tags.Add(new OpenApiTag { Name = tagsAttribute.Tags[0] });
+    }
+}

Endpoint/Controllers/ConfigurationBaseController.cs

@@ -0,0 +1,11 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Mirea.Api.Endpoint.Controllers;
+
+[Route("api/v{version:apiVersion}/Configuration/[controller]")]
+[Authorize]
+[ProducesResponseType(StatusCodes.Status401Unauthorized)]
+[Tags("Configuration")]
+public class ConfigurationBaseController : BaseController;

Endpoint/Controllers/SetupConfiguration/SetupController.cs

@@ -39,7 +39,7 @@ using CookieOptions = Microsoft.AspNetCore.Http.CookieOptions;
 using OAuthProvider = Mirea.Api.Security.Common.Domain.OAuthProvider;
 using PasswordPolicy = Mirea.Api.Dto.Common.PasswordPolicy;
 
-namespace Mirea.Api.Endpoint.Controllers.Configuration;
+namespace Mirea.Api.Endpoint.Controllers.SetupConfiguration;
 
 [ApiVersion("1.0")]
 [MaintenanceModeIgnore]

Endpoint/Controllers/V1/Configuration/ScheduleController.cs

@@ -0,0 +1,206 @@
+using Asp.Versioning;
+using Cronos;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Mirea.Api.DataAccess.Persistence;
+using Mirea.Api.Dto.Common;
+using Mirea.Api.Dto.Responses.Configuration;
+using Mirea.Api.Endpoint.Common.Exceptions;
+using Mirea.Api.Endpoint.Common.MapperDto;
+using Mirea.Api.Endpoint.Common.Services;
+using Mirea.Api.Endpoint.Configuration.Model;
+using Mirea.Api.Endpoint.Configuration.Model.GeneralSettings;
+using Mirea.Api.Endpoint.Sync;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.IO;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Mirea.Api.Endpoint.Controllers.V1.Configuration;
+
+[ApiVersion("1.0")]
+public class ScheduleController(ILogger<ScheduleController> logger, IOptionsSnapshot<GeneralConfig> config, UberDbContext dbContext, IServiceProvider provider) : ConfigurationBaseController
+{
+    /// <summary>
+    /// Retrieves the cron update schedule and calculates the next scheduled tasks based on the provided depth.
+    /// </summary>
+    /// <param name="depth">The depth of the next tasks to retrieve.</param>
+    /// <returns>Cron expression and the list of next scheduled task dates.</returns>
+    [HttpGet("CronUpdateSchedule")]
+    public ActionResult<CronUpdateScheduleResponse> CronUpdateSchedule([FromQuery][Range(0, 10)] int depth = 5)
+    {
+        var cronExpression = CronExpression.Parse(config.Value.ScheduleSettings!.CronUpdateSchedule);
+        var nextTasks = config.Value.ScheduleSettings!.CronUpdateSkipDateList.GetNextTask(cronExpression, depth);
+
+        return new CronUpdateScheduleResponse()
+        {
+            Cron = config.Value.ScheduleSettings!.CronUpdateSchedule,
+            NextStart = nextTasks.Select(x => DateTime.SpecifyKind(x.DateTime, DateTimeKind.Local)).ToList()
+        };
+    }
+
+    /// <summary>
+    /// Updates the cron update schedule with the provided cron expression.
+    /// </summary>
+    /// <param name="cron">The cron expression to set as the new schedule.</param>
+    /// <returns>Cron expression and the list of next scheduled task dates.</returns>
+    /// <exception cref="ControllerArgumentException">Thrown if the provided cron expression is invalid.</exception>
+    [HttpPost("CronUpdateSchedule")]
+    public ActionResult<CronUpdateScheduleResponse> CronUpdateSchedule([FromQuery] string cron)
+    {
+        cron = cron.Trim();
+        if (!CronExpression.TryParse(cron, CronFormat.Standard, out _))
+            throw new ControllerArgumentException("Incorrect cron value.");
+
+        if (config.Value.ScheduleSettings!.CronUpdateSchedule == cron)
+            return CronUpdateSchedule();
+
+        config.Value.ScheduleSettings!.CronUpdateSchedule = cron;
+        config.Value.SaveSetting();
+
+        return CronUpdateSchedule();
+    }
+
+    /// <summary>
+    /// Retrieves the start term date from the configuration.
+    /// </summary>
+    /// <returns>Start term date.</returns>
+    [HttpGet("StartTerm")]
+    public ActionResult<DateOnly> StartTerm() =>
+        config.Value.ScheduleSettings!.StartTerm;
+
+    /// <summary>
+    /// Updates the start term date in the configuration.
+    /// </summary>
+    /// <param name="startTerm">The new start term date to set.</param>
+    /// <param name="force">If true, forces an update by deleting all existing lessons.</param>
+    /// <returns>Success or failure.</returns>
+    /// <exception cref="ControllerArgumentException">Thrown if the start term date is more than 6 months in the past or future.</exception>
+    [HttpPost("StartTerm")]
+    public ActionResult StartTerm([FromQuery] DateOnly startTerm, [FromQuery] bool force = false)
+    {
+        var differentByTime = DateTime.Now - startTerm.ToDateTime(new TimeOnly(0, 0, 0));
+        if (differentByTime > TimeSpan.FromDays(190) || differentByTime.Multiply(-1) > TimeSpan.FromDays(190))
+            throw new ControllerArgumentException("The semester can't start more than 6 months from now, and it can't have started more than 6 months ago either.");
+
+        config.Value.ScheduleSettings!.StartTerm = startTerm;
+        config.Value.SaveSetting();
+
+        if (!force)
+            return Ok();
+
+        logger.LogWarning("A force update is being performed at the beginning of the semester (all classes will be deleted).");
+
+        dbContext.Lessons.RemoveRange(dbContext.Lessons.ToList());
+        dbContext.SaveChanges();
+
+        return Ok();
+    }
+
+    /// <summary>
+    /// Retrieves the list of cron update skip dates filtered by the current date.
+    /// </summary>
+    /// <returns>Cron update skip dates.</returns>
+    [HttpGet("CronUpdateSkip")]
+    public ActionResult<List<CronUpdateSkip>> CronUpdateSkip()
+    {
+        var generalConfig = config.Value;
+
+        generalConfig.ScheduleSettings!.CronUpdateSkipDateList =
+            generalConfig.ScheduleSettings.CronUpdateSkipDateList.Filter();
+        generalConfig.SaveSetting();
+
+        return generalConfig.ScheduleSettings!.CronUpdateSkipDateList
+            .ConvertToDto();
+    }
+
+
+    /// <summary>
+    /// Updates the list of cron update skip dates in the configuration.
+    /// </summary>
+    /// <param name="cronUpdateDate">The list of cron update skip dates to set.</param>
+    /// <returns>Success or failure.</returns>
+    /// <exception cref="ControllerArgumentException">Thrown if the provided list of cron update skip dates is invalid.</exception>
+    [HttpPost("CronUpdateSkip")]
+    public ActionResult CronUpdateSkip([FromBody] List<CronUpdateSkip> cronUpdateDate)
+    {
+        List<ScheduleSettings.CronUpdateSkip> result;
+        try
+        {
+            result = cronUpdateDate.ConvertFromDto();
+        }
+        catch (ArgumentException ex)
+        {
+            throw new ControllerArgumentException(ex.Message);
+        }
+
+        config.Value.ScheduleSettings!.CronUpdateSkipDateList = result.Filter();
+        config.Value.SaveSetting();
+
+        return Ok();
+    }
+
+    /// <summary>
+    /// Uploads schedule files and initiates synchronization.
+    /// </summary>
+    /// <param name="files">The list of schedule files to upload.</param>
+    /// <param name="defaultCampus">The default campus for each uploaded file. Must match the number of files.</param>
+    /// <param name="force">If true, removes all existing lessons before synchronization. Default is false.</param>
+    /// <returns>Success or failure.</returns>
+    /// <exception cref="ControllerArgumentException">
+    /// Thrown if:
+    /// - No files are provided.
+    /// - The number of default campuses does not match the number of files.
+    /// - Any default campus is null or empty.
+    /// </exception>
+    [HttpPost("Upload")]
+    public async Task<ActionResult> UploadScheduleFiles(List<IFormFile>? files, [FromQuery] string[]? defaultCampus, [FromQuery] bool force = false)
+    {
+        if (files == null || files.Count == 0)
+            throw new ControllerArgumentException("No files were found.");
+
+        if (defaultCampus == null || files.Count != defaultCampus.Length)
+            throw new ControllerArgumentException("No default campuses are specified for the file.");
+
+        if (defaultCampus.Any(string.IsNullOrEmpty))
+            throw new ControllerArgumentException("Each file should have a default campus.");
+
+        var tempDirectory = Path.Combine(Path.GetTempPath(), Path.GetFileNameWithoutExtension(Path.GetRandomFileName()));
+
+        if (!Directory.Exists(tempDirectory))
+            Directory.CreateDirectory(tempDirectory);
+
+        List<(string, string)> filePaths = [];
+
+        for (var i = 0; i < files.Count; i++)
+        {
+            if (files[i].Length <= 0)
+                continue;
+
+            var filePath = Path.Combine(tempDirectory, files[i].FileName);
+
+            await using var stream = new FileStream(filePath, FileMode.Create);
+            await files[i].CopyToAsync(stream);
+
+            filePaths.Add((filePath, defaultCampus[i]));
+        }
+
+        var sync = (ScheduleSynchronizer)ActivatorUtilities.GetServiceOrCreateInstance(provider, typeof(ScheduleSynchronizer));
+
+        if (force)
+        {
+            dbContext.Lessons.RemoveRange(dbContext.Lessons.ToList());
+            await dbContext.SaveChangesAsync();
+        }
+
+        _ = sync.StartSync(filePaths, CancellationToken.None);
+
+        return Ok();
+    }
+}

Endpoint/Controllers/V1/ImportController.cs

@@ -48,7 +48,8 @@ public class ImportController(IMediator mediator, IOptionsSnapshot<GeneralConfig
             DisciplineIds = request.Disciplines,
             GroupIds = request.Groups,
             LectureHallIds = request.LectureHalls,
-            ProfessorIds = request.Professors
+            ProfessorIds = request.Professors,
+            LessonTypeIds = request.LessonType
         })).Schedules.ToList();
 
         ExcelPackage.LicenseContext = LicenseContext.NonCommercial;

Endpoint/Controllers/V1/LessonTypeController.cs

@@ -0,0 +1,43 @@
+using Asp.Versioning;
+using MediatR;
+using Microsoft.AspNetCore.Mvc;
+using Mirea.Api.DataAccess.Application.Cqrs.TypeOfOccupation.Queries.GetTypeOfOccupationList;
+using Mirea.Api.Dto.Responses;
+using Mirea.Api.Endpoint.Common.Attributes;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace Mirea.Api.Endpoint.Controllers.V1;
+
+[ApiVersion("1.0")]
+[CacheMaxAge(true)]
+public class LessonTypeController(IMediator mediator) : BaseController
+{
+    /// <summary>
+    /// Gets a paginated list of type of occupation.
+    /// </summary>
+    /// <param name="page">Page number. Start from 0.</param>
+    /// <param name="pageSize">Number of items per page.</param>
+    /// <returns>Paginated list of type of occupation.</returns>
+    [HttpGet]
+    [BadRequestResponse]
+    public async Task<ActionResult<List<LessonTypeResponse>>> Get([FromQuery][Range(0, int.MaxValue)] int? page,
+        [FromQuery][Range(1, int.MaxValue)] int? pageSize)
+    {
+        var result = await mediator.Send(new GetTypeOfOccupationListQuery()
+        {
+            Page = page,
+            PageSize = pageSize
+        });
+
+        return Ok(result.TypeOfOccupations
+            .Select(f => new LessonTypeResponse()
+            {
+                Id = f.Id,
+                Name = f.Name
+            })
+        );
+    }
+}

Endpoint/Controllers/V1/ScheduleController.cs

@@ -51,7 +51,8 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
         if ((request.Groups == null || request.Groups.Length == 0) &&
             (request.Disciplines == null || request.Disciplines.Length == 0) &&
             (request.Professors == null || request.Professors.Length == 0) &&
-            (request.LectureHalls == null || request.LectureHalls.Length == 0))
+            (request.LectureHalls == null || request.LectureHalls.Length == 0) &&
+            (request.LessonType == null || request.LessonType.Length == 0))
         {
             throw new ControllerArgumentException("At least one of the arguments must be selected."
                               + (request.IsEven.HasValue
@@ -65,7 +66,8 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
             DisciplineIds = request.Disciplines,
             GroupIds = request.Groups,
             LectureHallIds = request.LectureHalls,
-            ProfessorIds = request.Professors
+            ProfessorIds = request.Professors,
+            LessonTypeIds = request.LessonType
         })).Schedules.ToList();
 
         if (result.Count == 0)
@@ -101,6 +103,7 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
     /// <param name="disciplines">An array of discipline IDs.</param>
     /// <param name="professors">An array of professor IDs.</param>
     /// <param name="lectureHalls">An array of lecture hall IDs.</param>
+    /// <param name="lessonType">An array of type of occupation IDs.</param>
     /// <returns>A response containing schedules for the specified group.</returns>
     [HttpGet("GetByGroup/{id:int}")]
     [ProducesResponseType(StatusCodes.Status204NoContent)]
@@ -110,14 +113,16 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
         [FromQuery] bool? isEven = null,
         [FromQuery] int[]? disciplines = null,
         [FromQuery] int[]? professors = null,
-        [FromQuery] int[]? lectureHalls = null) =>
+        [FromQuery] int[]? lectureHalls = null,
+        [FromQuery] int[]? lessonType = null) =>
         await Get(new ScheduleRequest
         {
             Disciplines = disciplines,
             IsEven = isEven,
             Groups = [id],
             Professors = professors,
-            LectureHalls = lectureHalls
+            LectureHalls = lectureHalls,
+            LessonType = lessonType
         });
 
     /// <summary>
@@ -128,6 +133,7 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
     /// <param name="disciplines">An array of discipline IDs.</param>
     /// <param name="groups">An array of group IDs.</param>
     /// <param name="lectureHalls">An array of lecture hall IDs.</param>
+    /// <param name="lessonType">An array of type of occupation IDs.</param>
     /// <returns>A response containing schedules for the specified professor.</returns>
     [HttpGet("GetByProfessor/{id:int}")]
     [ProducesResponseType(StatusCodes.Status204NoContent)]
@@ -137,14 +143,16 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
         [FromQuery] bool? isEven = null,
         [FromQuery] int[]? disciplines = null,
         [FromQuery] int[]? groups = null,
-        [FromQuery] int[]? lectureHalls = null) =>
+        [FromQuery] int[]? lectureHalls = null,
+        [FromQuery] int[]? lessonType = null) =>
         await Get(new ScheduleRequest
         {
             Disciplines = disciplines,
             IsEven = isEven,
             Groups = groups,
             Professors = [id],
-            LectureHalls = lectureHalls
+            LectureHalls = lectureHalls,
+            LessonType = lessonType
         });
 
     /// <summary>
@@ -155,6 +163,7 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
     /// <param name="disciplines">An array of discipline IDs.</param>
     /// <param name="professors">An array of professor IDs.</param>
     /// <param name="groups">An array of group IDs.</param>
+    /// <param name="lessonType">An array of type of occupation IDs.</param>
     /// <returns>A response containing schedules for the specified lecture hall.</returns>
     [HttpGet("GetByLectureHall/{id:int}")]
     [ProducesResponseType(StatusCodes.Status204NoContent)]
@@ -164,14 +173,16 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
         [FromQuery] bool? isEven = null,
         [FromQuery] int[]? disciplines = null,
         [FromQuery] int[]? groups = null,
-        [FromQuery] int[]? professors = null) =>
+        [FromQuery] int[]? professors = null,
+        [FromQuery] int[]? lessonType = null) =>
         await Get(new ScheduleRequest
         {
             Disciplines = disciplines,
             IsEven = isEven,
             Groups = groups,
             Professors = professors,
-            LectureHalls = [id]
+            LectureHalls = [id],
+            LessonType = lessonType
         });
 
     /// <summary>
@@ -182,6 +193,7 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
     /// <param name="groups">An array of group IDs.</param>
     /// <param name="professors">An array of professor IDs.</param>
     /// <param name="lectureHalls">An array of lecture hall IDs.</param>
+    /// <param name="lessonType">An array of type of occupation IDs.</param>
     /// <returns>A response containing schedules for the specified discipline.</returns>
     [HttpGet("GetByDiscipline/{id:int}")]
     [ProducesResponseType(StatusCodes.Status204NoContent)]
@@ -191,13 +203,15 @@ public class ScheduleController(IMediator mediator, IOptionsSnapshot<GeneralConf
         [FromQuery] bool? isEven = null,
         [FromQuery] int[]? groups = null,
         [FromQuery] int[]? professors = null,
-        [FromQuery] int[]? lectureHalls = null) =>
+        [FromQuery] int[]? lectureHalls = null,
+        [FromQuery] int[]? lessonType = null) =>
         await Get(new ScheduleRequest
         {
             Disciplines = [id],
             IsEven = isEven,
             Groups = groups,
             Professors = professors,
-            LectureHalls = lectureHalls
+            LectureHalls = lectureHalls,
+            LessonType = lessonType
         });
 }

Endpoint/Endpoint.csproj

@@ -5,9 +5,9 @@
 		<ImplicitUsings>disable</ImplicitUsings>
 		<Nullable>enable</Nullable>
 		<Company>Winsomnia</Company>
-		<Version>1.0-rc6</Version>
-		<AssemblyVersion>1.0.2.6</AssemblyVersion>
-		<FileVersion>1.0.2.6</FileVersion>
+		<Version>1.0-rc7</Version>
+		<AssemblyVersion>1.0.2.7</AssemblyVersion>
+		<FileVersion>1.0.2.7</FileVersion>
 		<AssemblyName>Mirea.Api.Endpoint</AssemblyName>
 		<RootNamespace>$(AssemblyName)</RootNamespace>
 		<OutputType>Exe</OutputType>
@@ -28,10 +28,9 @@
 		<PackageReference Include="AspNetCore.HealthChecks.System" Version="9.0.0" />
 		<PackageReference Include="Cronos" Version="0.9.0" />
 		<PackageReference Include="EPPlus" Version="7.5.3" />
+		<PackageReference Include="HtmlAgilityPack" Version="1.11.72" />
 		<PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.12" />
-		<PackageReference Include="Microsoft.CodeAnalysis.Common" Version="4.12.0" />
-		<PackageReference Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="4.12.0" />
-		<PackageReference Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="4.12.0" />
+		<PackageReference Include="Microsoft.Build.Framework" Version="17.12.6" />
 		<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.1">
 			<PrivateAssets>all</PrivateAssets>
 			<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -40,7 +39,9 @@
 		  <PrivateAssets>all</PrivateAssets>
 		  <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
 		</PackageReference>
+		<PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.1" />
 		<PackageReference Include="Microsoft.IdentityModel.Protocols.OpenIdConnect" Version="8.3.1" />
+		<PackageReference Include="Mirea.Tools.Schedule.Parser" Version="1.2.5" />
 		<PackageReference Include="Mirea.Tools.Schedule.WebParser" Version="1.0.6" />
 		<PackageReference Include="QRCoder" Version="1.6.0" />
 		<PackageReference Include="Serilog" Version="4.2.0" />
@@ -55,10 +56,17 @@
 		<PackageReference Include="Swashbuckle.AspNetCore" Version="7.2.0" />
 		<PackageReference Include="System.CodeDom" Version="[8.0.0, 9.0.0)" />
 		<PackageReference Include="System.Composition" Version="[8.0.0, 9.0.0)" />
-		<PackageReference Include="System.Composition.TypedParts" Version="[8.0.0, 9.0.0)" />
+		<PackageReference Include="System.Composition.AttributedModel" Version="9.0.1" />
+		<PackageReference Include="System.Composition.Convention" Version="9.0.1" />
+		<PackageReference Include="System.Composition.Hosting" Version="9.0.1" />
+		<PackageReference Include="System.Composition.Runtime" Version="9.0.1" />
+		<PackageReference Include="System.Composition.TypedParts" Version="9.0.1" />
+		<PackageReference Include="System.Configuration.ConfigurationManager" Version="9.0.1" />
 		<PackageReference Include="System.Drawing.Common" Version="9.0.1" />
 		<PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="8.3.1" />
-		<PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.1.0" />
+		<PackageReference Include="System.Security.Cryptography.Pkcs" Version="9.0.1" />
+		<PackageReference Include="System.ServiceProcess.ServiceController" Version="9.0.1" />
+		<PackageReference Include="System.Text.Encoding.CodePages" Version="9.0.1" />
 		<PackageReference Include="System.Threading.Channels" Version="[8.0.0, 9.0.0)" />
 		<PackageReference Include="Z.EntityFramework.Extensions.EFCore" Version="9.103.7" />
 	</ItemGroup>

Endpoint/Sync/ScheduleSynchronizer.cs

@@ -6,9 +6,11 @@ using Mirea.Api.DataAccess.Persistence;
 using Mirea.Api.Endpoint.Common.Interfaces;
 using Mirea.Api.Endpoint.Configuration.Model;
 using Mirea.Api.Endpoint.Sync.Common;
+using Mirea.Tools.Schedule.Parser.Domain;
 using Mirea.Tools.Schedule.WebParser;
 using Mirea.Tools.Schedule.WebParser.Common.Domain;
 using System;
+using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
@@ -220,35 +222,15 @@ internal partial class ScheduleSynchronizer(UberDbContext dbContext, IOptionsSna
         await dbContext.LessonAssociations.BulkSynchronizeAsync(_lessonAssociation.GetAll(), bulkOperation => bulkOperation.BatchSize = 1000, cancellationToken);
     }
 
-    public async Task StartSync(CancellationToken cancellationToken)
+    private async Task Sync(Func<CancellationToken, Task<List<GroupResult>>> parseDataAsync, CancellationToken cancellationToken)
     {
-        var pairPeriods = config.Value.ScheduleSettings?.PairPeriod;
-        var startTerm = config.Value.ScheduleSettings?.StartTerm;
-
-        if (pairPeriods == null || startTerm == null)
-        {
-            logger.LogWarning("It is not possible to synchronize the schedule due to the fact that the {Arg1} or {Arg2} variable is not initialized.",
-                nameof(pairPeriods),
-                nameof(startTerm));
-
-            return;
-        }
-
         Stopwatch watch = new();
         watch.Start();
 
-        var parser = new Parser
-        {
-            Pairs = pairPeriods
-                .ToDictionary(x => x.Key,
-                    x => (x.Value.Start, x.Value.End)),
-            TermStart = startTerm.Value.ToDateTime(new TimeOnly(0, 0, 0))
-        };
-
         try
         {
             logger.LogDebug("Start parsing schedule");
-            var data = await parser.ParseAsync(cancellationToken);
+            var data = await parseDataAsync(cancellationToken);
 
             watch.Stop();
             var parsingTime = watch.ElapsedMilliseconds;
@@ -282,11 +264,255 @@ internal partial class ScheduleSynchronizer(UberDbContext dbContext, IOptionsSna
         catch (Exception ex)
         {
             logger.LogError(ex, "An error occurred during synchronization.");
-            maintenanceMode.DisableMaintenanceMode();
             throw;
         }
+        finally
+        {
+            maintenanceMode.DisableMaintenanceMode();
+        }
     }
 
+    public async Task StartSync(CancellationToken cancellationToken)
+    {
+        var pairPeriods = config.Value.ScheduleSettings?.PairPeriod
+            .ToDictionary(x => x.Key, x => (x.Value.Start, x.Value.End));
+
+        var startTerm = config.Value.ScheduleSettings?.StartTerm;
+
+        if (pairPeriods == null || startTerm == null)
+        {
+            logger.LogWarning("It is not possible to synchronize the schedule due to the fact that the {Arg1} or {Arg2} variable is not initialized.",
+                nameof(pairPeriods),
+                nameof(startTerm));
+
+            return;
+        }
+
+        var parser = new Parser
+        {
+            Pairs = pairPeriods
+                .ToDictionary(x => x.Key,
+                    x => (x.Value.Start, x.Value.End)),
+            TermStart = startTerm.Value.ToDateTime(new TimeOnly(0, 0, 0))
+        };
+
+        try
+        {
+            await Sync(parser.ParseAsync, cancellationToken);
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "An error occurred during synchronization.");
+            throw;
+        }
+        finally
+        {
+            maintenanceMode.DisableMaintenanceMode();
+        }
+    }
+
+    public async Task StartSync(List<(string File, string Campus)> files, CancellationToken cancellationToken)
+    {
+        await Task.Yield();
+        var pairPeriods = config.Value.ScheduleSettings?.PairPeriod
+            .ToDictionary(x => x.Key, x => (x.Value.Start, x.Value.End));
+
+        if (pairPeriods == null)
+        {
+            logger.LogWarning("It is not possible to synchronize the schedule due to the fact that the {Arg1} variable is not initialized.",
+                nameof(pairPeriods));
+
+            return;
+        }
+
+        try
+        {
+            Task<List<GroupResult>> ParseTask(CancellationToken ctx)
+            {
+                var mappedData = new ConcurrentBag<GroupResult>();
+
+                ParallelOptions options = new() { CancellationToken = ctx, MaxDegreeOfParallelism = Environment.ProcessorCount };
+                Parallel.ForEach(files, options, (file) =>
+                {
+                    var parser = new Tools.Schedule.Parser.Parser();
+                    var result = ConvertToGroupResults(parser.Parse(file.File, pairPeriods), file.Campus);
+
+                    foreach (var item in result) mappedData.Add(item);
+                });
+
+                return Task.FromResult(mappedData.ToList());
+            }
+
+            await Sync(ParseTask, cancellationToken);
+        }
+        catch (Exception ex)
+        {
+            logger.LogError(ex, "An error occurred during synchronization.");
+            throw;
+        }
+        finally
+        {
+            maintenanceMode.DisableMaintenanceMode();
+        }
+    }
+
+    private static List<GroupResult> ConvertToGroupResults(IEnumerable<GroupInfo> groups, string campusDefault, CancellationToken cancellationToken = default)
+    {
+        var result = new List<GroupResult>();
+
+        foreach (var group in groups)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+
+            foreach (var day in group.Days)
+            {
+                foreach (var pair in day.Lessons)
+                {
+                    foreach (var lesson in pair.Value)
+                    {
+                        if (string.IsNullOrWhiteSpace(lesson.TypeOfOccupation))
+                            continue;
+
+                        var (weeks, isExclude) = ParseWeeks(lesson.Discipline);
+
+                        var (lectureHalls, campuses) = ParseLectureHalls(lesson.LectureHall, campusDefault);
+
+                        var groupResult = new GroupResult
+                        {
+                            Day = day.DayOfWeek,
+                            Pair = pair.Key,
+                            IsEven = lesson.IsEven,
+                            Group = group.GroupName,
+                            Discipline = NormalizeDiscipline(lesson.Discipline),
+                            Professor = ParseProfessors(lesson.Professor),
+                            TypeOfOccupation = lesson.TypeOfOccupation,
+                            LectureHalls = lectureHalls,
+                            Campuses = campuses,
+                            SpecialWeek = weeks,
+                            IsExclude = isExclude
+                        };
+
+                        result.Add(groupResult);
+                    }
+                }
+            }
+        }
+
+        return result;
+    }
+
+    private static string[]? ParseProfessors(string? input)
+    {
+        if (string.IsNullOrWhiteSpace(input)) return null;
+
+        var normalized = Regex.Replace(input
+                .Replace("\n", " ")
+                .Replace(",", " "),
+            @"\s+", " ").Trim();
+
+        return ProfessorFullName().Matches(normalized)
+            .Select(m => $"{m.Groups["surname"].Value} {m.Groups["initials"].Value}".Trim())
+            .Where(x => !string.IsNullOrEmpty(x))
+            .ToArray();
+    }
+
+    private static (int[]? weeks, bool? isExclude) ParseWeeks(string discipline)
+    {
+        var match = ParseSpecificWeeks().Match(discipline);
+
+        if (!match.Success) return (null, null);
+
+        var numbers = new List<int>();
+        var ranges = match.Groups[2].Value.Split(',');
+
+        foreach (var range in ranges)
+        {
+            if (range.Contains('-'))
+            {
+                var parts = range.Split('-');
+                if (int.TryParse(parts[0], out var start) &&
+                    int.TryParse(parts[1], out var end))
+                {
+                    numbers.AddRange(Enumerable.Range(start, end - start + 1));
+                }
+            }
+            else
+                if (int.TryParse(range, out var num)) numbers.Add(num);
+        }
+
+        return (
+            weeks: numbers.Distinct().OrderBy(x => x).ToArray(),
+            isExclude: match.Groups[1].Success
+        );
+    }
+
+    private static string NormalizeDiscipline(string input)
+    {
+        var normalized = Regex.Replace(input
+                .Replace("\n", " ")
+                .Replace("\r", " "),
+            @"\s{2,}", " ");
+
+        normalized = Regex.Replace(normalized,
+            @"(\S+)\s(\S{3,})",
+            "$1 $2");
+
+        normalized = ParseSpecificWeeks().Replace(normalized, "");
+
+        return normalized.Trim();
+    }
+
+    private static (string[]? lectureHalls, string[]? campuses) ParseLectureHalls(string? input, string defaultCampus)
+    {
+        if (string.IsNullOrWhiteSpace(input))
+            return (null, null);
+
+        var matches = ParseLectureCampus().Matches(input);
+        var lectureHalls = new List<string>();
+        var campuses = new List<string>();
+
+        foreach (Match match in matches)
+        {
+            if (match.Groups["lectureWithCampus"].Success)
+            {
+                var raw = match.Value.Split('(');
+                var campus = raw.LastOrDefault()?.Trim(')').Trim();
+                var lecture = raw.FirstOrDefault()?.Trim();
+
+                if (string.IsNullOrEmpty(campus) || string.IsNullOrEmpty(lecture))
+                    continue;
+
+                campuses.Add(campus);
+                lectureHalls.Add(lecture);
+            }
+            else if (match.Groups["lecture"].Success)
+            {
+                var lecture = match.Value.Trim();
+                if (string.IsNullOrEmpty(lecture))
+                    continue;
+
+                campuses.Add(defaultCampus);
+                lectureHalls.Add(lecture);
+            }
+        }
+
+        return (
+            lectureHalls: lectureHalls.ToArray(),
+            campuses: campuses.ToArray()
+        );
+    }
+
+
+
     [GeneratedRegex(@"\w{4}-\d{2}-\d{2}(?=\s?\d?\s?[Пп]/?[Гг]\s?\d?)?")]
     private static partial Regex OnlyGroupName();
+
+    [GeneratedRegex(@"(?<surname>[А-ЯЁ][а-яё]+(-[А-ЯЁ][а-яё]+)?)\s*(?<initials>[А-ЯЁ]\.[А-ЯЁ]?\.?)?", RegexOptions.IgnorePatternWhitespace)]
+    private static partial Regex ProfessorFullName();
+
+    [GeneratedRegex(@"([Кк]р\.?)?\s*((\d+-\d+|\d+)(,\s*\d+(-\d+)?)*)\s*[Нн]\.?", RegexOptions.IgnoreCase, "ru-RU")]
+    private static partial Regex ParseSpecificWeeks();
+
+    [GeneratedRegex(@"(?<lectureWithCampus>[^,.\n]+\s?\([А-Яа-яA-Za-z]+-?\d+\))|(?<lecture>[^,.\n]+)")]
+    private static partial Regex ParseLectureCampus();
 }

Security/Services/AuthService.cs

@@ -29,14 +29,14 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
     private static string GetFirstAuthCacheKey(string fingerprint) => $"{fingerprint}_auth_token_first";
     private static string GetAttemptFailedCountKey(string fingerprint) => $"{fingerprint}_login_failed";
 
-    private Task StoreAuthTokenInCache(AuthToken data, CancellationToken cancellation) =>
+    private Task StoreAuthTokenInCache(AuthToken data, CancellationToken cancellationToken) =>
         cache.SetAsync(
             GetAuthCacheKey(data.Fingerprint),
             JsonSerializer.SerializeToUtf8Bytes(data),
             slidingExpiration: Lifetime,
-            cancellationToken: cancellation);
+            cancellationToken: cancellationToken);
 
-    private Task StoreFirstAuthTokenInCache(User data, RequestContextInfo requestContext, CancellationToken cancellation) =>
+    private Task StoreFirstAuthTokenInCache(User data, RequestContextInfo requestContext, CancellationToken cancellationToken) =>
         cache.SetAsync(
             GetFirstAuthCacheKey(requestContext.Fingerprint),
             JsonSerializer.SerializeToUtf8Bytes(new FirstAuthToken(requestContext)
@@ -46,14 +46,14 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
                 TwoFactorAuthenticator = data.TwoFactorAuthenticator
             }),
             slidingExpiration: LifetimeFirstAuth,
-            cancellationToken: cancellation);
+            cancellationToken: cancellationToken);
 
     private Task RevokeAccessToken(string token) =>
         revokedToken.AddTokenToRevokedAsync(token, accessTokenService.GetExpireDateTime(token));
 
-    private async Task RecordFailedLoginAttempt(string fingerprint, string userId, CancellationToken cancellation)
+    private async Task RecordFailedLoginAttempt(string fingerprint, string userId, CancellationToken cancellationToken)
     {
-        var failedLoginAttemptsCount = await cache.GetAsync<int?>(GetAttemptFailedCountKey(fingerprint), cancellation) ?? 1;
+        var failedLoginAttemptsCount = await cache.GetAsync<int?>(GetAttemptFailedCountKey(fingerprint), cancellationToken) ?? 1;
         var failedLoginCacheExpiration = TimeSpan.FromHours(1);
 
         if (failedLoginAttemptsCount > 5)
@@ -74,30 +74,30 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
             failedLoginAttemptsCount);
 
         await cache.SetAsync(GetAttemptFailedCountKey(fingerprint), failedLoginAttemptsCount + 1,
-            slidingExpiration: failedLoginCacheExpiration, cancellationToken: cancellation);
+            slidingExpiration: failedLoginCacheExpiration, cancellationToken: cancellationToken);
     }
 
-    private Task ResetFailedLoginAttempts(string fingerprint, CancellationToken cancellation) =>
-        cache.RemoveAsync(GetAttemptFailedCountKey(fingerprint), cancellation);
+    private Task ResetFailedLoginAttempts(string fingerprint, CancellationToken cancellationToken) =>
+        cache.RemoveAsync(GetAttemptFailedCountKey(fingerprint), cancellationToken);
 
     private async Task VerifyUserOrThrowError(RequestContextInfo requestContext, User user, string password, string username,
-        CancellationToken cancellation = default)
+        CancellationToken cancellationToken = default)
     {
         if ((user.Email.Equals(username, StringComparison.OrdinalIgnoreCase) ||
              user.Username.Equals(username, StringComparison.OrdinalIgnoreCase)) &&
             passwordService.VerifyPassword(password, user.Salt, user.PasswordHash))
         {
-            await ResetFailedLoginAttempts(requestContext.Fingerprint, cancellation);
+            await ResetFailedLoginAttempts(requestContext.Fingerprint, cancellationToken);
             return;
         }
 
-        await RecordFailedLoginAttempt(requestContext.Fingerprint, user.Id, cancellation);
+        await RecordFailedLoginAttempt(requestContext.Fingerprint, user.Id, cancellationToken);
 
         throw new SecurityException("Authentication failed. Please check your credentials.");
     }
 
     private async Task GenerateAuthTokensAsync(CookieOptions cookieOptions, HttpContext context,
-        RequestContextInfo requestContext, string userId, CancellationToken cancellation = default)
+        RequestContextInfo requestContext, string userId, CancellationToken cancellationToken = default)
     {
         var refreshToken = GenerateRefreshToken();
         var (token, expireIn) = GenerateAccessToken(userId);
@@ -110,7 +110,7 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
             AccessToken = token
         };
 
-        await StoreAuthTokenInCache(authToken, cancellation);
+        await StoreAuthTokenInCache(authToken, cancellationToken);
         cookieOptions.SetCookie(context, CookieNames.AccessToken, authToken.AccessToken, expireIn);
         cookieOptions.SetCookie(context, CookieNames.RefreshToken, authToken.RefreshToken, DateTime.UtcNow.Add(Lifetime));
 
@@ -121,11 +121,11 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
     }
 
     public async Task<bool> LoginAsync(CookieOptions cookieOptions, HttpContext context, TwoFactorAuthenticator authenticator, string code,
-        CancellationToken cancellation = default)
+        CancellationToken cancellationToken = default)
     {
         var requestContext = new RequestContextInfo(context, cookieOptions);
 
-        var firstTokenAuth = await cache.GetAsync<FirstAuthToken?>(GetFirstAuthCacheKey(requestContext.Fingerprint), cancellationToken: cancellation);
+        var firstTokenAuth = await cache.GetAsync<FirstAuthToken?>(GetFirstAuthCacheKey(requestContext.Fingerprint), cancellationToken: cancellationToken);
 
         if (firstTokenAuth == null || authenticator != firstTokenAuth.TwoFactorAuthenticator)
             throw new SecurityException("Session expired. Please log in again.");
@@ -147,35 +147,35 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
 
                     if (!totp.VerifyToken(code))
                     {
-                        await RecordFailedLoginAttempt(requestContext.Fingerprint, firstTokenAuth.UserId, cancellation);
+                        await RecordFailedLoginAttempt(requestContext.Fingerprint, firstTokenAuth.UserId, cancellationToken);
                         throw new SecurityException("Invalid verification code. Please try again.");
                     }
 
-                    await ResetFailedLoginAttempts(requestContext.Fingerprint, cancellation);
+                    await ResetFailedLoginAttempts(requestContext.Fingerprint, cancellationToken);
                 }
                 break;
             default:
                 throw new InvalidOperationException("Unsupported authorization method.");
         }
 
-        await GenerateAuthTokensAsync(cookieOptions, context, requestContext, firstTokenAuth.UserId, cancellation);
+        await GenerateAuthTokensAsync(cookieOptions, context, requestContext, firstTokenAuth.UserId, cancellationToken);
         return true;
     }
 
     private async Task<TwoFactorAuthenticator> LoginAsync(CookieOptions cookieOptions,
         HttpContext context,
         User user,
-        CancellationToken cancellation = default)
+        CancellationToken cancellationToken = default)
     {
         var requestContext = new RequestContextInfo(context, cookieOptions);
 
         if (user.TwoFactorAuthenticator == TwoFactorAuthenticator.None)
         {
-            await GenerateAuthTokensAsync(cookieOptions, context, requestContext, user.Id, cancellation);
+            await GenerateAuthTokensAsync(cookieOptions, context, requestContext, user.Id, cancellationToken);
             return TwoFactorAuthenticator.None;
         }
 
-        await StoreFirstAuthTokenInCache(user, requestContext, cancellation);
+        await StoreFirstAuthTokenInCache(user, requestContext, cancellationToken);
 
         return user.TwoFactorAuthenticator;
     }
@@ -201,20 +201,20 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
         User user,
         string password,
         string username,
-        CancellationToken cancellation = default)
+        CancellationToken cancellationToken = default)
     {
         var requestContext = new RequestContextInfo(context, cookieOptions);
         username = username.Trim();
-        await VerifyUserOrThrowError(requestContext, user, password, username, cancellation);
+        await VerifyUserOrThrowError(requestContext, user, password, username, cancellationToken);
 
-        return await LoginAsync(cookieOptions, context, user, cancellation);
+        return await LoginAsync(cookieOptions, context, user, cancellationToken);
     }
 
-    public async Task RefreshTokenAsync(CookieOptions cookieOptions, HttpContext context, CancellationToken cancellation = default)
+    public async Task RefreshTokenAsync(CookieOptions cookieOptions, HttpContext context, CancellationToken cancellationToken = default)
     {
         const string defaultMessageError = "The session time has expired";
         var requestContext = new RequestContextInfo(context, cookieOptions);
-        var authToken = await cache.GetAsync<AuthToken>(GetAuthCacheKey(requestContext.Fingerprint), cancellation) ??
+        var authToken = await cache.GetAsync<AuthToken>(GetAuthCacheKey(requestContext.Fingerprint), cancellationToken) ??
                         throw new SecurityException(defaultMessageError);
 
         if (authToken.RefreshToken != requestContext.RefreshToken ||
@@ -222,7 +222,7 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
             authToken.Ip != requestContext.Ip)
         {
             await RevokeAccessToken(authToken.AccessToken);
-            await cache.RemoveAsync(GetAuthCacheKey(requestContext.Fingerprint), cancellation);
+            await cache.RemoveAsync(GetAuthCacheKey(requestContext.Fingerprint), cancellationToken);
             cookieOptions.DropCookie(context, CookieNames.AccessToken);
             cookieOptions.DropCookie(context, CookieNames.RefreshToken);
 
@@ -274,24 +274,24 @@ public class AuthService(ICacheService cache, IAccessToken accessTokenService, I
         authToken.AccessToken = token;
         authToken.RefreshToken = newRefreshToken;
 
-        await StoreAuthTokenInCache(authToken, cancellation);
+        await StoreAuthTokenInCache(authToken, cancellationToken);
         cookieOptions.SetCookie(context, CookieNames.AccessToken, authToken.AccessToken, expireIn);
         cookieOptions.SetCookie(context, CookieNames.RefreshToken, authToken.RefreshToken, DateTime.UtcNow.Add(Lifetime));
     }
 
-    public async Task LogoutAsync(CookieOptions cookieOptions, HttpContext context, CancellationToken cancellation = default)
+    public async Task LogoutAsync(CookieOptions cookieOptions, HttpContext context, CancellationToken cancellationToken = default)
     {
         var requestContext = new RequestContextInfo(context, cookieOptions);
 
         cookieOptions.DropCookie(context, CookieNames.AccessToken);
         cookieOptions.DropCookie(context, CookieNames.RefreshToken);
 
-        var authTokenStruct = await cache.GetAsync<AuthToken>(GetAuthCacheKey(requestContext.Fingerprint), cancellation);
+        var authTokenStruct = await cache.GetAsync<AuthToken>(GetAuthCacheKey(requestContext.Fingerprint), cancellationToken);
 
         if (authTokenStruct == null)
             return;
 
         await RevokeAccessToken(authTokenStruct.AccessToken);
-        await cache.RemoveAsync(requestContext.Fingerprint, cancellation);
+        await cache.RemoveAsync(requestContext.Fingerprint, cancellationToken);
     }
 }

Security/Services/OAuthService.cs

@@ -58,7 +58,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
     };
 
     private static async Task<OAuthTokenResponse?> ExchangeCodeForTokensAsync(string requestUri, string redirectUrl, string code,
-        string clientId, string secret, CancellationToken cancellation)
+        string clientId, string secret, CancellationToken cancellationToken)
     {
         var tokenRequest = new HttpRequestMessage(HttpMethod.Post, requestUri)
         {
@@ -75,8 +75,8 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
         using var httpClient = new HttpClient();
         httpClient.DefaultRequestHeaders.UserAgent.ParseAdd("MireaSchedule/1.0 (Winsomnia)");
 
-        var response = await httpClient.SendAsync(tokenRequest, cancellation);
-        var data = await response.Content.ReadAsStringAsync(cancellation);
+        var response = await httpClient.SendAsync(tokenRequest, cancellationToken);
+        var data = await response.Content.ReadAsStringAsync(cancellationToken);
 
         if (!response.IsSuccessStatusCode)
             throw new HttpRequestException(data);
@@ -85,7 +85,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
     }
 
     private static async Task<OAuthUser?> GetUserProfileAsync(string requestUri, string authHeader, string accessToken, OAuthProvider provider,
-        CancellationToken cancellation)
+        CancellationToken cancellationToken)
     {
         var request = new HttpRequestMessage(HttpMethod.Get, requestUri);
 
@@ -97,8 +97,8 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
         using var httpClient = new HttpClient();
         httpClient.DefaultRequestHeaders.UserAgent.ParseAdd("MireaSchedule/1.0 (Winsomnia)");
 
-        var response = await httpClient.SendAsync(request, cancellation);
-        var data = await response.Content.ReadAsStringAsync(cancellation);
+        var response = await httpClient.SendAsync(request, cancellationToken);
+        var data = await response.Content.ReadAsStringAsync(cancellationToken);
 
         if (!response.IsSuccessStatusCode)
             throw new HttpRequestException(data);
@@ -167,12 +167,12 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
         }
     }
 
-    private Task StoreOAuthUserInCache(string key, OAuthUserExtension data, CancellationToken cancellation) =>
+    private Task StoreOAuthUserInCache(string key, OAuthUserExtension data, CancellationToken cancellationToken) =>
         cache.SetAsync(
             key,
             JsonSerializer.SerializeToUtf8Bytes(data),
             absoluteExpirationRelativeToNow: TimeSpan.FromMinutes(15),
-            cancellationToken: cancellation);
+            cancellationToken: cancellationToken);
 
 
     public Uri GetProviderRedirect(CookieOptions cookieOptions, HttpContext context, string redirectUri,
@@ -209,7 +209,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
         [.. providers.Select(x => (x.Key, new Uri(redirectUri.TrimEnd('/') + "/?provider=" + (int)x.Key)))];
 
     public async Task<LoginOAuth> LoginOAuth(CookieOptions cookieOptions, HttpContext context,
-        string redirectUrl, string code, string state, CancellationToken cancellation = default)
+        string redirectUrl, string code, string state, CancellationToken cancellationToken = default)
     {
         var result = new LoginOAuth()
         {
@@ -226,7 +226,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
             {
                 Message = result.ErrorMessage,
                 Provider = null
-            }, cancellation);
+            }, cancellationToken);
 
             return result;
         }
@@ -251,7 +251,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
             result.ErrorMessage = "Invalid authorization request. Please try again later.";
             cacheData.Message = result.ErrorMessage;
 
-            await StoreOAuthUserInCache(result.Token, cacheData, cancellation);
+            await StoreOAuthUserInCache(result.Token, cacheData, cancellationToken);
 
             return result;
         }
@@ -271,7 +271,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
                 checksum
             );
 
-            await StoreOAuthUserInCache(result.Token, cacheData, cancellation);
+            await StoreOAuthUserInCache(result.Token, cacheData, cancellationToken);
 
             return result;
         }
@@ -280,7 +280,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
         try
         {
             accessToken = await ExchangeCodeForTokensAsync(currentProviderStruct.TokenUrl, redirectUrl, code, providerInfo.ClientId,
-                providerInfo.Secret, cancellation);
+                providerInfo.Secret, cancellationToken);
         }
         catch (Exception ex)
         {
@@ -288,7 +288,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
                 payload.Provider,
                 checksum);
 
-            await StoreOAuthUserInCache(result.Token, cacheData, cancellation);
+            await StoreOAuthUserInCache(result.Token, cacheData, cancellationToken);
 
             return result;
         }
@@ -300,14 +300,14 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
         try
         {
             user = await GetUserProfileAsync(currentProviderStruct.UserInfoUrl, currentProviderStruct.AuthHeader, accessToken.AccessToken,
-                payload.Provider, cancellation);
+                payload.Provider, cancellationToken);
         }
         catch (Exception ex)
         {
             logger.LogWarning(ex, "Failed to retrieve user information from provider {Provider}",
                 payload.Provider);
 
-            await StoreOAuthUserInCache(result.Token, cacheData, cancellation);
+            await StoreOAuthUserInCache(result.Token, cacheData, cancellationToken);
 
             return result;
         }
@@ -323,24 +323,24 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
             IsSuccess = true,
             User = user,
             Provider = payload.Provider
-        }, cancellation);
+        }, cancellationToken);
 
         return result;
     }
 
     public async Task<(OAuthUser? User, string? Message, bool IsSuccess, OAuthProvider? Provider)>
-        GetOAuthUser(CookieOptions cookieOptions, HttpContext context, string token, CancellationToken cancellation = default)
+        GetOAuthUser(CookieOptions cookieOptions, HttpContext context, string token, CancellationToken cancellationToken = default)
     {
         var requestInfo = new RequestContextInfo(context, cookieOptions);
 
-        var result = await cache.GetAsync<OAuthUserExtension>(token, cancellation);
+        var result = await cache.GetAsync<OAuthUserExtension>(token, cancellationToken);
         var tokenFailedKey = $"{requestInfo.Fingerprint}_oauth_token_failed";
 
         if (result == null)
         {
             var failedTokenAttemptsCount = await cache.GetAsync<int?>(
                 tokenFailedKey,
-                cancellation) ?? 1;
+                cancellationToken) ?? 1;
 
             var failedTokenCacheExpiration = TimeSpan.FromHours(1);
 
@@ -364,7 +364,7 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
             await cache.SetAsync(tokenFailedKey,
                 failedTokenAttemptsCount + 1,
                 slidingExpiration: failedTokenCacheExpiration,
-                cancellationToken: cancellation);
+                cancellationToken: cancellationToken);
 
             return (null, "Invalid or expired token.", false, null);
         }
@@ -406,18 +406,18 @@ public class OAuthService(ILogger<OAuthService> logger, Dictionary<OAuthProvider
                 result.Ip,
                 requestInfo.Ip);
 
-            await cache.RemoveAsync(token, cancellation);
+            await cache.RemoveAsync(token, cancellationToken);
 
             return (null, "Invalid or expired token.", false, null);
         }
 
-        await cache.RemoveAsync(tokenFailedKey, cancellation);
+        await cache.RemoveAsync(tokenFailedKey, cancellationToken);
 
         result.Ip = requestInfo.Ip;
         result.UserAgent = requestInfo.UserAgent;
         result.Fingerprint = requestInfo.Fingerprint;
 
-        await StoreOAuthUserInCache(token, result, cancellation);
+        await StoreOAuthUserInCache(token, result, cancellationToken);
 
         return (result.User, result.Message, result.IsSuccess, result.Provider);
     }

SqlData/Application/Cqrs/Schedule/Queries/GetScheduleList/GetScheduleListQuery.cs

@@ -8,5 +8,6 @@ public class GetScheduleListQuery : IRequest<ScheduleListVm>
     public int[]? DisciplineIds { get; set; }
     public int[]? LectureHallIds { get; set; }
     public int[]? ProfessorIds { get; set; }
+    public int[]? LessonTypeIds { get; set; }
     public bool? IsEven { get; set; }
 }

SqlData/Application/Cqrs/Schedule/Queries/GetScheduleList/GetScheduleListQueryHandler.cs

@@ -16,6 +16,9 @@ public class GetScheduleListQueryHandler(ILessonDbContext dbContext) : IRequestH
         if (request.IsEven != null)
             query = query.Where(l => l.IsEven == request.IsEven);
 
+        if (request.LessonTypeIds != null && request.LessonTypeIds.Length != 0)
+            query = query.Where(l => l.LessonAssociations!.Any(la => request.LessonTypeIds.Contains(la.TypeOfOccupationId)));
+
         if (request.GroupIds != null && request.GroupIds.Length != 0)
             query = query.Where(l => request.GroupIds.Contains(l.GroupId));
 

SqlData/Application/Cqrs/TypeOfOccupation/Queries/GetTypeOfOccupationList/GetTypeOfOccupationListQuery.cs

@@ -0,0 +1,9 @@
+using MediatR;
+
+namespace Mirea.Api.DataAccess.Application.Cqrs.TypeOfOccupation.Queries.GetTypeOfOccupationList;
+
+public class GetTypeOfOccupationListQuery : IRequest<TypeOfOccupationListVm>
+{
+    public int? Page { get; set; }
+    public int? PageSize { get; set; }
+}

SqlData/Application/Cqrs/TypeOfOccupation/Queries/GetTypeOfOccupationList/GetTypeOfOccupationListQueryHandler.cs

@@ -0,0 +1,31 @@
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using Mirea.Api.DataAccess.Application.Interfaces.DbContexts.Schedule;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Mirea.Api.DataAccess.Application.Cqrs.TypeOfOccupation.Queries.GetTypeOfOccupationList;
+
+public class GetTypeOfOccupationListQueryHandler(ITypeOfOccupationDbContext dbContext) : IRequestHandler<GetTypeOfOccupationListQuery, TypeOfOccupationListVm>
+{
+    public async Task<TypeOfOccupationListVm> Handle(GetTypeOfOccupationListQuery request, CancellationToken cancellationToken)
+    {
+        var dtos = dbContext.TypeOfOccupations.OrderBy(t => t.Id)
+            .Select(t => new TypeOfOccupationLookupDto()
+            {
+                Id = t.Id,
+                Name = t.ShortName
+            });
+
+        if (request is { PageSize: not null, Page: not null })
+            dtos = dtos.Skip(request.Page.Value * request.PageSize.Value).Take(request.PageSize.Value);
+
+        var result = await dtos.ToListAsync(cancellationToken);
+
+        return new TypeOfOccupationListVm
+        {
+            TypeOfOccupations = result
+        };
+    }
+}

SqlData/Application/Cqrs/TypeOfOccupation/Queries/GetTypeOfOccupationList/TypeOfOccupationListVm.cs

@@ -0,0 +1,14 @@
+using System.Collections.Generic;
+
+namespace Mirea.Api.DataAccess.Application.Cqrs.TypeOfOccupation.Queries.GetTypeOfOccupationList;
+
+/// <summary>
+/// Represents a view model containing multiple type of occupations.
+/// </summary>
+public class TypeOfOccupationListVm
+{
+    /// <summary>
+    /// The list of type of occupations.
+    /// </summary>
+    public IEnumerable<TypeOfOccupationLookupDto> TypeOfOccupations { get; set; } = [];
+}

SqlData/Application/Cqrs/TypeOfOccupation/Queries/GetTypeOfOccupationList/TypeOfOccupationLookupDto.cs

@@ -0,0 +1,17 @@
+namespace Mirea.Api.DataAccess.Application.Cqrs.TypeOfOccupation.Queries.GetTypeOfOccupationList;
+
+/// <summary>
+/// Represents type of occupations.
+/// </summary>
+public class TypeOfOccupationLookupDto
+{
+    /// <summary>
+    /// The unique identifier for the occupation.
+    /// </summary>
+    public int Id { get; set; }
+
+    /// <summary>
+    /// The name of the occupation.
+    /// </summary>
+    public required string Name { get; set; }
+}