refactor: code restructuring

Endpoint/Configuration/Core/Startup/EnvironmentConfiguration.cs

@@ -0,0 +1,79 @@
+using Microsoft.Extensions.Configuration;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+
+namespace Mirea.Api.Endpoint.Configuration.Core.Startup;
+
+public static class EnvironmentConfiguration
+{
+    private static Dictionary<string, string> LoadEnvironment(string envFile)
+    {
+        Dictionary<string, string> environment = [];
+
+        if (!File.Exists(envFile)) return environment;
+
+        foreach (var line in File.ReadAllLines(envFile))
+        {
+            if (string.IsNullOrEmpty(line)) continue;
+
+            var commentIndex = line.IndexOf('#', StringComparison.Ordinal);
+
+            string arg = line;
+
+            if (commentIndex != -1)
+                arg = arg.Remove(commentIndex, arg.Length - commentIndex);
+
+            var parts = arg.Split(
+                '=',
+                StringSplitOptions.RemoveEmptyEntries);
+
+            if (parts.Length > 2)
+                parts = [parts[0], string.Join("=", parts[1..])];
+
+            if (parts.Length != 2)
+                continue;
+
+            environment.Add(parts[0].Trim(), parts[1].Trim());
+        }
+
+        return environment;
+    }
+
+    public static IConfigurationRoot GetEnvironment()
+    {
+        var variablesFromFile = LoadEnvironment(".env");
+
+#if DEBUG
+        LoadEnvironment(".env.develop").ToList().ForEach(x => variablesFromFile.Add(x.Key, x.Value));
+#endif
+
+        var environmentVariables = Environment.GetEnvironmentVariables()
+            .OfType<DictionaryEntry>()
+            .ToDictionary(
+                entry => entry.Key.ToString() ?? string.Empty,
+                entry => entry.Value?.ToString() ?? string.Empty
+            );
+
+        var result = new ConfigurationBuilder()
+            .AddInMemoryCollection(environmentVariables!)
+            .AddInMemoryCollection(variablesFromFile!);
+
+        if (variablesFromFile.TryGetValue("PATH_TO_SAVE", out var pathToSave))
+        {
+            Environment.SetEnvironmentVariable("PATH_TO_SAVE", pathToSave);
+            if (!Directory.Exists(pathToSave))
+                Directory.CreateDirectory(pathToSave);
+        }
+
+        if (variablesFromFile.TryGetValue("ACTUAL_SUB_PATH", out var actualSubPath))
+            Environment.SetEnvironmentVariable("ACTUAL_SUB_PATH", actualSubPath);
+
+        if (variablesFromFile.TryGetValue("SWAGGER_SUB_PATH", out var swaggerSubPath))
+            Environment.SetEnvironmentVariable("SWAGGER_SUB_PATH", swaggerSubPath);
+
+        return result.Build();
+    }
+}