initialize admin panel and necessry pages

src/GreenHome.Api/Controllers/AdminController.cs

@@ -0,0 +1,126 @@
+using GreenHome.Api.Filters;
+using GreenHome.Application;
+using GreenHome.Application.Dtos.Admin;
+using GreenHome.Domain;
+using Microsoft.AspNetCore.Mvc;
+
+namespace GreenHome.Api.Controllers;
+
+[ApiController]
+[Route("api/admin")]
+[ServiceFilter(typeof(AdminAuthFilter))]
+public sealed class AdminController : ControllerBase
+{
+    private readonly IAdminService _adminService;
+
+    public AdminController(IAdminService adminService)
+    {
+        _adminService = adminService;
+    }
+
+    // ==================== Dashboard ====================
+
+    [HttpGet("dashboard")]
+    public async Task<ActionResult<AdminDashboardDto>> Dashboard(CancellationToken cancellationToken)
+    {
+        var result = await _adminService.GetDashboardAsync(cancellationToken);
+        return Ok(result);
+    }
+
+    // ==================== Users ====================
+
+    [HttpGet("users")]
+    public async Task<ActionResult<PagedResult<AdminUserListItemDto>>> Users(
+        [FromQuery] string? search,
+        [FromQuery] int page = 1,
+        [FromQuery] int pageSize = 20,
+        CancellationToken cancellationToken = default)
+    {
+        var filter = new AdminUserFilter
+        {
+            Search = search,
+            Page = Math.Max(1, page),
+            PageSize = Math.Clamp(pageSize, 1, 100)
+        };
+
+        var result = await _adminService.GetUsersAsync(filter, cancellationToken);
+        return Ok(result);
+    }
+
+    [HttpGet("users/{id:int}")]
+    public async Task<ActionResult<AdminUserDetailDto>> GetUser(int id, CancellationToken cancellationToken)
+    {
+        var result = await _adminService.GetUserAsync(id, cancellationToken);
+        return result is null ? NotFound() : Ok(result);
+    }
+
+    [HttpPut("users/{id:int}/role")]
+    public async Task<IActionResult> SetUserRole(int id, [FromBody] ChangeUserRoleRequest request, CancellationToken cancellationToken)
+    {
+        var currentAdminId = ((UserDto)HttpContext.Items["AdminUser"]!).Id;
+        var outcome = await _adminService.SetUserRoleAsync(id, request.Role, currentAdminId, cancellationToken);
+        return outcome switch
+        {
+            UserMutationOutcome.Ok => Ok(new { success = true }),
+            UserMutationOutcome.NotFound => NotFound(),
+            UserMutationOutcome.ConflictSelf => Conflict(new { message = "نمی‌توانید نقش خود را تغییر دهید" }),
+            UserMutationOutcome.ConflictLastAdmin => Conflict(new { message = "آخرین مدیر را نمی‌توان تغییر نقش داد" }),
+            _ => NotFound()
+        };
+    }
+
+    [HttpPut("users/{id:int}/status")]
+    public async Task<IActionResult> SetUserStatus(int id, [FromBody] ChangeUserStatusRequest request, CancellationToken cancellationToken)
+    {
+        var currentAdminId = ((UserDto)HttpContext.Items["AdminUser"]!).Id;
+        var outcome = await _adminService.SetUserStatusAsync(id, request.IsEnabled, currentAdminId, cancellationToken);
+        return outcome switch
+        {
+            UserMutationOutcome.Ok => Ok(new { success = true }),
+            UserMutationOutcome.NotFound => NotFound(),
+            UserMutationOutcome.ConflictSelf => Conflict(new { message = "نمی‌توانید اکانت خود را غیرفعال کنید" }),
+            UserMutationOutcome.ConflictLastAdmin => Conflict(new { message = "آخرین مدیر فعال را نمی‌توان غیرفعال کرد" }),
+            _ => NotFound()
+        };
+    }
+
+    // ==================== Devices ====================
+
+    [HttpGet("devices")]
+    public async Task<ActionResult<PagedResult<AdminDeviceListItemDto>>> Devices(
+        [FromQuery] string? search,
+        [FromQuery] int page = 1,
+        [FromQuery] int pageSize = 20,
+        CancellationToken cancellationToken = default)
+    {
+        var filter = new AdminDeviceFilter
+        {
+            Search = search,
+            Page = Math.Max(1, page),
+            PageSize = Math.Clamp(pageSize, 1, 100)
+        };
+
+        var result = await _adminService.GetDevicesAsync(filter, cancellationToken);
+        return Ok(result);
+    }
+
+    [HttpGet("devices/{id:int}")]
+    public async Task<ActionResult<AdminDeviceDetailDto>> GetDevice(int id, CancellationToken cancellationToken)
+    {
+        var result = await _adminService.GetDeviceAsync(id, cancellationToken);
+        return result is null ? NotFound() : Ok(result);
+    }
+
+    // ==================== Usage ====================
+
+    [HttpGet("usage")]
+    public async Task<ActionResult<IReadOnlyList<UsageDayDto>>> Usage(
+        [FromQuery] DateTime? from,
+        [FromQuery] DateTime? to,
+        [FromQuery] int? userId,
+        CancellationToken cancellationToken = default)
+    {
+        var result = await _adminService.GetUsageAsync(from, to, userId, cancellationToken);
+        return Ok(result);
+    }
+}