feat: update book and user models, enhance subscription management with admin features, and modify connection string

LibraryManagement.Backend/Features/Books/BookService.cs

@@ -49,7 +49,6 @@ namespace LibraryManagement.Backend.Features.Books
                 Isbn = request.Isbn,
                 Author = request.Author,
                 Description = request.Description,
-                CoverUrl = request.CoverUrl,
                 TotalCopies = request.TotalCopies,
                 AvailableCopies = request.TotalCopies,
                 Status = request.TotalCopies > 0 ? "Available" : "Out Of Stock",
@@ -71,7 +70,6 @@ namespace LibraryManagement.Backend.Features.Books
             book.Title = request.Title;
             book.Author = request.Author;
             book.Description = request.Description;
-            book.CoverUrl = request.CoverUrl;
             
             // Basic logic to sync availability when total copies change
             int difference = request.TotalCopies - book.TotalCopies;
@@ -108,11 +106,12 @@ namespace LibraryManagement.Backend.Features.Books
                 Isbn = book.Isbn,
                 Author = book.Author,
                 Status = book.Status,
+                IsActive = book.IsActive,
                 Description = book.Description,
-                CoverUrl = book.CoverUrl,
                 TotalCopies = book.TotalCopies,
                 AvailableCopies = book.AvailableCopies,
-                CreatedAt = book.CreatedAt
+                CreatedAt = book.CreatedAt,
+                UpdatedAt = book.UpdatedAt
             };
         }
     }
@@ -124,11 +123,12 @@ namespace LibraryManagement.Backend.Features.Books
         public string Isbn { get; set; } = string.Empty;
         public string Author { get; set; } = string.Empty;
         public string Status { get; set; } = string.Empty;
+        public bool IsActive { get; set; }
         public string? Description { get; set; }
-        public string? CoverUrl { get; set; }
         public int TotalCopies { get; set; }
         public int AvailableCopies { get; set; }
         public DateTime CreatedAt { get; set; }
+        public DateTime? UpdatedAt { get; set; }
     }
 
     public class BookCreateRequest
@@ -137,7 +137,6 @@ namespace LibraryManagement.Backend.Features.Books
         public string Isbn { get; set; } = string.Empty;
         public string Author { get; set; } = string.Empty;
         public string? Description { get; set; }
-        public string? CoverUrl { get; set; }
         public int TotalCopies { get; set; }
     }
 
@@ -146,7 +145,6 @@ namespace LibraryManagement.Backend.Features.Books
         public string Title { get; set; } = string.Empty;
         public string Author { get; set; } = string.Empty;
         public string? Description { get; set; }
-        public string? CoverUrl { get; set; }
         public int TotalCopies { get; set; }
     }
 }

LibraryManagement.Backend/Features/Subscriptions/SubscriptionController.cs

@@ -23,7 +23,7 @@ namespace LibraryManagement.Backend.Features.Subscriptions
         }
 
         [HttpGet("subscriptions/me")]
-        //[Authorize]
+        [Authorize]
         public async Task<ActionResult<SubscriptionDto>> GetMySubscription()
         {
             var userIdStr = User.FindFirstValue(ClaimTypes.NameIdentifier);
@@ -38,7 +38,7 @@ namespace LibraryManagement.Backend.Features.Subscriptions
         }
 
         [HttpPost("subscriptions/subscribe")]
-        //[Authorize]
+        [Authorize]
         public async Task<ActionResult<SubscriptionDto>> Subscribe([FromBody] SubscribeRequest request)
         {
             try
@@ -55,5 +55,30 @@ namespace LibraryManagement.Backend.Features.Subscriptions
                 return BadRequest(new { message = ex.Message });
             }
         }
+
+        [HttpGet("subscriptions/user/{userId}")]
+        [Authorize(Roles = "Admin")]
+        public async Task<ActionResult<SubscriptionDto>> GetUserSubscription(int userId)
+        {
+            var subscription = await _subscriptionService.GetUserSubscriptionAsync(userId);
+            if (subscription == null) return NotFound(new { message = "No active subscription found." });
+            
+            return Ok(subscription);
+        }
+
+        [HttpPost("subscriptions/admin-subscribe")]
+        [Authorize(Roles = "Admin")]
+        public async Task<ActionResult<SubscriptionDto>> AdminSubscribe([FromBody] AdminSubscribeRequest request)
+        {
+            try
+            {
+                var subscription = await _subscriptionService.SubscribeUserAsync(request.UserId, request.MembershipId);
+                return Ok(subscription);
+            }
+            catch (Exception ex)
+            {
+                return BadRequest(new { message = ex.Message });
+            }
+        }
     }
 }

LibraryManagement.Backend/Features/Subscriptions/SubscriptionModels.cs

@@ -29,4 +29,10 @@ namespace LibraryManagement.Backend.Features.Subscriptions
     {
         public int MembershipId { get; set; }
     }
+
+    public class AdminSubscribeRequest
+    {
+        public int UserId { get; set; }
+        public int MembershipId { get; set; }
+    }
 }

LibraryManagement.Backend/Features/Users/UserService.cs

@@ -132,7 +132,10 @@ namespace LibraryManagement.Backend.Features.Users
                 IsActive = user.IsActive,
                 StudentId = user.StudentId,
                 Address = user.Address,
-                CreatedAt = user.CreatedAt
+                CreatedAt = user.CreatedAt,
+                UpdatedAt = user.UpdatedAt,
+                BanStatus = user.BanStatus,
+                SuspensionEndDate = user.SuspensionEndDate
             };
         }
     }
@@ -149,6 +152,9 @@ namespace LibraryManagement.Backend.Features.Users
         public string? StudentId { get; set; }
         public string? Address { get; set; }
         public DateTime CreatedAt { get; set; }
+        public DateTime? UpdatedAt { get; set; }
+        public bool? BanStatus { get; set; }
+        public DateTime? SuspensionEndDate { get; set; }
     }
 
     public class UserCreateRequest

LibraryManagement.Backend/appsettings.json

@@ -7,7 +7,8 @@
   },
   "AllowedHosts": "*",
   "ConnectionStrings": {
-    "MssqlConnection": "Server=DESKTOP-BP9A061;Database=LibraryManagement;User Id=sa;Password=sasa@123;TrustServerCertificate=True;"
+    //"MssqlConnection": "Server=DESKTOP-BP9A061;Database=LibraryManagement;User Id=sa;Password=sasa@123;TrustServerCertificate=True;"
+    "MssqlConnection": "Server=.;Database=LibraryManagement;User Id=sa;Password=sasa@123;TrustServerCertificate=True;"
   },
   "Jwt": {
     "Secret": "YourSuperSecretKeyForLibraryManagementSystem_AtLeast32CharsLong",