MireaBackend/Endpoint/Controllers/V1/GroupController.cs

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using MediatR;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Mirea.Api.DataAccess.Application.Cqrs.Group.Queries.GetGroupDetails;
using Mirea.Api.DataAccess.Application.Cqrs.Group.Queries.GetGroupList;
using Mirea.Api.Dto.Responses;
using Mirea.Api.Endpoint.Common.Attributes;
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using System;
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using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace Mirea.Api.Endpoint.Controllers.V1
{
public class GroupController(IMediator mediator) : BaseControllerV1
{
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private static int GetCourseNumber(string groupName)
{
var current = DateTime.Now;
if (!int.TryParse(groupName[2..], out var yearOfGroup)
&& !int.TryParse(groupName.Split('-')[^1][..2], out yearOfGroup))
return -1;
// Convert a two-digit year to a four-digit one
yearOfGroup += current.Year / 100 * 100;
return current.Year - yearOfGroup + (current.Month < 9 ? 0 : 1);
}
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/// <summary>
/// Retrieves a list of groups.
/// </summary>
/// <param name="page">The page number for pagination (optional).</param>
/// <param name="pageSize">The page size for pagination (optional).</param>
/// <returns>A list of groups.</returns>
[HttpGet]
[ProducesResponseType(StatusCodes.Status200OK)]
[BadRequestResponse]
public async Task<ActionResult<List<GroupResponse>>> Get([FromQuery] int? page, [FromQuery] int? pageSize)
{
var result = await mediator.Send(new GetGroupListQuery()
{
Page = page,
PageSize = pageSize
});
return Ok(result.Groups
.Select(g => new GroupResponse()
{
Id = g.Id,
Name = g.Name,
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FacultyId = g.FacultyId,
CourseNumber = GetCourseNumber(g.Name)
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})
);
}
/// <summary>
/// Retrieves detailed information about a specific group.
/// </summary>
/// <param name="id">The ID of the group to retrieve.</param>
/// <returns>Detailed information about the group.</returns>
[HttpGet("{id:int}")]
[ProducesResponseType(StatusCodes.Status200OK)]
[BadRequestResponse]
[NotFoundResponse]
public async Task<ActionResult<GroupDetailsResponse>> GetDetails(int id)
{
var result = await mediator.Send(new GetGroupInfoQuery()
{
Id = id
});
return Ok(new GroupDetailsResponse()
{
Id = result.Id,
Name = result.Name,
FacultyId = result.FacultyId,
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FacultyName = result.Faculty,
CourseNumber = GetCourseNumber(result.Name)
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});
}
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/// <summary>
/// Retrieves a list of groups by faculty ID.
/// </summary>
/// <param name="id">The ID of the faculty.</param>
/// <returns>A list of groups belonging to the specified faculty.</returns>
[HttpGet("{id:int}")]
[ProducesResponseType(StatusCodes.Status200OK)]
[BadRequestResponse]
[NotFoundResponse]
public async Task<ActionResult<List<GroupResponse>>> GetByFaculty(int id)
{
var result = await mediator.Send(new GetGroupListQuery());
return Ok(result.Groups
.Where(g => g.FacultyId == id)
.Select(g => new GroupResponse()
{
Id = g.Id,
Name = g.Name,
CourseNumber = GetCourseNumber(g.Name),
FacultyId = g.FacultyId
}));
}
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}
}