refactor: ...

11 files changed, 123 insertions, 73 deletions

diff --git a/BackEnd/Timeline/Controllers/Resource.Designer.cs b/BackEnd/Timeline/Controllers/Resource.Designer.cs
index c062380b..a647558a 100644
--- a/BackEnd/Timeline/Controllers/Resource.Designer.cs
+++ b/BackEnd/Timeline/Controllers/Resource.Designer.cs
@@ -106,42 +106,6 @@ namespace Timeline.Controllers {
         }

         

         /// <summary>

-        ///   Looks up a localized string similar to Image is not a square..

-        /// </summary>

-        internal static string MessageImageBadSize {

-            get {

-                return ResourceManager.GetString("MessageImageBadSize", resourceCulture);

-            }

-        }

-        

-        /// <summary>

-        ///   Looks up a localized string similar to Image decode failed..

-        /// </summary>

-        internal static string MessageImageDecodeFailed {

-            get {

-                return ResourceManager.GetString("MessageImageDecodeFailed", resourceCulture);

-            }

-        }

-        

-        /// <summary>

-        ///   Looks up a localized string similar to Specified image format does not match the actual one ..

-        /// </summary>

-        internal static string MessageImageFormatUnmatch {

-            get {

-                return ResourceManager.GetString("MessageImageFormatUnmatch", resourceCulture);

-            }

-        }

-        

-        /// <summary>

-        ///   Looks up a localized string similar to Unknown error happened to image..

-        /// </summary>

-        internal static string MessageImageUnknownError {

-            get {

-                return ResourceManager.GetString("MessageImageUnknownError", resourceCulture);

-            }

-        }

-        

-        /// <summary>

         ///   Looks up a localized string similar to You can&apos;t do this because it is the root user..

         /// </summary>

         internal static string MessageInvalidOperationOnRootUser {

diff --git a/BackEnd/Timeline/Controllers/Resource.resx b/BackEnd/Timeline/Controllers/Resource.resx
index afaa1ba1..47b7a329 100644
--- a/BackEnd/Timeline/Controllers/Resource.resx
+++ b/BackEnd/Timeline/Controllers/Resource.resx
@@ -132,18 +132,6 @@
   <data name="MessageForbidNotAdministratorOrOwner" xml:space="preserve">

     <value>You can't do this unless you are administrator or resource owner.</value>

   </data>

-  <data name="MessageImageBadSize" xml:space="preserve">

-    <value>Image is not a square.</value>

-  </data>

-  <data name="MessageImageDecodeFailed" xml:space="preserve">

-    <value>Image decode failed.</value>

-  </data>

-  <data name="MessageImageFormatUnmatch" xml:space="preserve">

-    <value>Specified image format does not match the actual one .</value>

-  </data>

-  <data name="MessageImageUnknownError" xml:space="preserve">

-    <value>Unknown error happened to image.</value>

-  </data>

   <data name="MessageInvalidOperationOnRootUser" xml:space="preserve">

     <value>You can't do this because it is the root user.</value>

   </data>

diff --git a/BackEnd/Timeline/Controllers/TimelinePostController.cs b/BackEnd/Timeline/Controllers/TimelinePostController.cs
index c33d47aa..21d3821a 100644
--- a/BackEnd/Timeline/Controllers/TimelinePostController.cs
+++ b/BackEnd/Timeline/Controllers/TimelinePostController.cs
@@ -202,7 +202,6 @@ namespace Timeline.Controllers
                 }

             }

 

-

             try

             {

                 var post = await _postService.CreatePostAsync(timelineId, userId, createRequest);

diff --git a/BackEnd/Timeline/Controllers/UserAvatarController.cs b/BackEnd/Timeline/Controllers/UserAvatarController.cs
index 376e1f11..5b8c5cdf 100644
--- a/BackEnd/Timeline/Controllers/UserAvatarController.cs
+++ b/BackEnd/Timeline/Controllers/UserAvatarController.cs
@@ -7,7 +7,6 @@ using Timeline.Helpers.Cache;
 using Timeline.Models;

 using Timeline.Models.Http;

 using Timeline.Models.Validation;

-using Timeline.Services.Imaging;

 using Timeline.Services.User;

 using Timeline.Services.User.Avatar;

 

@@ -36,7 +35,7 @@ namespace Timeline.Controllers
         /// <param name="ifNoneMatch">If-None-Match header.</param>

         /// <returns>Avatar data.</returns>

         [HttpGet("users/{username}/avatar")]

-        [Produces("image/png", "image/jpeg", "image/gif", "image/webp", "application/json", "text/json")]

+        [ProducesImages]

         [ProducesResponseType(typeof(byte[]), StatusCodes.Status200OK)]

         [ProducesResponseType(typeof(void), StatusCodes.Status304NotModified)]

         [ProducesResponseType(StatusCodes.Status404NotFound)]

@@ -54,7 +53,7 @@ namespace Timeline.Controllers
         /// <param name="body">The avatar data.</param>

         [HttpPut("users/{username}/avatar")]

         [Authorize]

-        [Consumes("image/png", "image/jpeg", "image/gif", "image/webp")]

+        [ConsumesImages]

         [MaxContentLength(1000 * 1000 * 10)]

         [ProducesResponseType(typeof(void), StatusCodes.Status200OK)]

         [ProducesResponseType(StatusCodes.Status400BadRequest)]

@@ -62,31 +61,17 @@ namespace Timeline.Controllers
         [ProducesResponseType(StatusCodes.Status403Forbidden)]

         public async Task<IActionResult> Put([FromRoute][Username] string username, [FromBody] ByteData body)

         {

-            if (!UserHasPermission(UserPermission.UserManagement) && User.Identity!.Name != username)

+            if (!UserHasPermission(UserPermission.UserManagement) && GetUsername() != username)

             {

                 return ForbidWithCommonResponse(Resource.MessageForbidNotAdministratorOrOwner);

             }

 

             long id = await _userService.GetUserIdByUsernameAsync(username);

 

-            try

-            {

-                var digest = await _service.SetAvatarAsync(id, body);

-

-                Response.Headers.Append("ETag", $"\"{digest.ETag}\"");

+            var digest = await _service.SetAvatarAsync(id, body);

 

-                return Ok();

-            }

-            catch (ImageException e)

-            {

-                return BadRequest(e.Error switch

-                {

-                    ImageException.ErrorReason.CantDecode => new CommonResponse(ErrorCodes.Image.CantDecode, Resource.MessageImageDecodeFailed),

-                    ImageException.ErrorReason.UnmatchedFormat => new CommonResponse(ErrorCodes.Image.UnmatchedFormat, Resource.MessageImageFormatUnmatch),

-                    ImageException.ErrorReason.BadSize => new CommonResponse(ErrorCodes.Image.BadSize, Resource.MessageImageBadSize),

-                    _ => new CommonResponse(ErrorCodes.Image.Unknown, Resource.MessageImageUnknownError)

-                });

-            }

+            Response.Headers.Append("ETag", $"\"{digest.ETag}\"");

+            return Ok();

         }

 

         /// <summary>

@@ -98,11 +83,12 @@ namespace Timeline.Controllers
         /// <response code="401">You have not logged in.</response>

         /// <response code="403">You are not administrator.</response>

         [HttpDelete("users/{username}/avatar")]

+        [Authorize]

+        [NotEntityDelete]

         [ProducesResponseType(typeof(void), StatusCodes.Status200OK)]

         [ProducesResponseType(StatusCodes.Status400BadRequest)]

         [ProducesResponseType(StatusCodes.Status401Unauthorized)]

         [ProducesResponseType(StatusCodes.Status403Forbidden)]

-        [Authorize]

         public async Task<IActionResult> Delete([FromRoute][Username] string username)

         {

             if (!UserHasPermission(UserPermission.UserManagement) && User.Identity!.Name != username)

@@ -113,7 +99,7 @@ namespace Timeline.Controllers
             long id = await _userService.GetUserIdByUsernameAsync(username);

 

             await _service.DeleteAvatarAsync(id);

-            return Ok();

+            return OkWithCommonResponse();

         }

     }

 }

diff --git a/BackEnd/Timeline/Filters/CatchImageExceptionFilter.cs b/BackEnd/Timeline/Filters/CatchImageExceptionFilter.cs
new file mode 100644
index 00000000..16278d15
--- /dev/null
+++ b/BackEnd/Timeline/Filters/CatchImageExceptionFilter.cs
@@ -0,0 +1,28 @@
+using Microsoft.AspNetCore.Mvc;

+using Microsoft.AspNetCore.Mvc.Filters;

+using System;

+using System.Collections.Generic;

+using System.Linq;

+using System.Threading.Tasks;

+using Timeline.Models.Http;

+using Timeline.Services.Imaging;

+

+namespace Timeline.Filters

+{

+    public class CatchImageExceptionFilter : IExceptionFilter

+    {

+        public void OnException(ExceptionContext context)

+        {

+            if (context.Exception is ImageException e)

+            {

+                context.Result = new  BadRequestObjectResult(e.Error switch

+                {

+                    ImageException.ErrorReason.CantDecode => new CommonResponse(ErrorCodes.Image.CantDecode, Resource.MessageImageDecodeFailed),

+                    ImageException.ErrorReason.UnmatchedFormat => new CommonResponse(ErrorCodes.Image.UnmatchedFormat, Resource.MessageImageFormatUnmatch),

+                    ImageException.ErrorReason.BadSize => new CommonResponse(ErrorCodes.Image.BadSize, Resource.MessageImageBadSize),

+                    _ => new CommonResponse(ErrorCodes.Image.Unknown, Resource.MessageImageUnknownError)

+                });

+            }

+        }

+    }

+}

diff --git a/BackEnd/Timeline/Filters/ConsumesImagesAttribute.cs b/BackEnd/Timeline/Filters/ConsumesImagesAttribute.cs
new file mode 100644
index 00000000..5a293dfe
--- /dev/null
+++ b/BackEnd/Timeline/Filters/ConsumesImagesAttribute.cs
@@ -0,0 +1,17 @@
+using Microsoft.AspNetCore.Mvc;

+using Timeline.Models;

+

+namespace Timeline.Filters

+{

+    public class ConsumesImagesAttribute : ConsumesAttribute

+    {

+        public ConsumesImagesAttribute()

+            : base(MimeTypes.ImagePng,

+                  MimeTypes.ImageJpeg,

+                  MimeTypes.ImageGif,

+                  MimeTypes.ImageWebp)

+        {

+

+        }

+    }

+}

diff --git a/BackEnd/Timeline/Filters/ProducesImagesAttribute.cs b/BackEnd/Timeline/Filters/ProducesImagesAttribute.cs
new file mode 100644
index 00000000..b38b6543
--- /dev/null
+++ b/BackEnd/Timeline/Filters/ProducesImagesAttribute.cs
@@ -0,0 +1,19 @@
+using Microsoft.AspNetCore.Mvc;

+using Timeline.Models;

+

+namespace Timeline.Filters

+{

+    public class ProducesImagesAttribute : ProducesAttribute

+    {

+        public ProducesImagesAttribute()

+            : base(MimeTypes.ImagePng,

+                  MimeTypes.ImageJpeg,

+                  MimeTypes.ImageGif,

+                  MimeTypes.ImageWebp,

+                  MimeTypes.TextJson,

+                  MimeTypes.ApplicationJson)

+        {

+

+        }

+    }

+}

diff --git a/BackEnd/Timeline/Filters/Resource.Designer.cs b/BackEnd/Timeline/Filters/Resource.Designer.cs
index d5b533d4..25d0e222 100644
--- a/BackEnd/Timeline/Filters/Resource.Designer.cs
+++ b/BackEnd/Timeline/Filters/Resource.Designer.cs
@@ -86,5 +86,41 @@ namespace Timeline.Filters {
                 return ResourceManager.GetString("MessageEntityNotExist", resourceCulture);

             }

         }

+        

+        /// <summary>

+        ///   Looks up a localized string similar to Image is not a square..

+        /// </summary>

+        internal static string MessageImageBadSize {

+            get {

+                return ResourceManager.GetString("MessageImageBadSize", resourceCulture);

+            }

+        }

+        

+        /// <summary>

+        ///   Looks up a localized string similar to Image decode failed..

+        /// </summary>

+        internal static string MessageImageDecodeFailed {

+            get {

+                return ResourceManager.GetString("MessageImageDecodeFailed", resourceCulture);

+            }

+        }

+        

+        /// <summary>

+        ///   Looks up a localized string similar to Specified image format does not match the actual one ..

+        /// </summary>

+        internal static string MessageImageFormatUnmatch {

+            get {

+                return ResourceManager.GetString("MessageImageFormatUnmatch", resourceCulture);

+            }

+        }

+        

+        /// <summary>

+        ///   Looks up a localized string similar to Unknown error happened to image..

+        /// </summary>

+        internal static string MessageImageUnknownError {

+            get {

+                return ResourceManager.GetString("MessageImageUnknownError", resourceCulture);

+            }

+        }

     }

 }

diff --git a/BackEnd/Timeline/Filters/Resource.resx b/BackEnd/Timeline/Filters/Resource.resx
index d55e996c..15b13f97 100644
--- a/BackEnd/Timeline/Filters/Resource.resx
+++ b/BackEnd/Timeline/Filters/Resource.resx
@@ -126,4 +126,16 @@
   <data name="MessageEntityNotExist" xml:space="preserve">

     <value>The entity you operate on does not exist. Entity type is {0}. Constraints are {1}.</value>

   </data>

+  <data name="MessageImageBadSize" xml:space="preserve">

+    <value>Image is not a square.</value>

+  </data>

+  <data name="MessageImageDecodeFailed" xml:space="preserve">

+    <value>Image decode failed.</value>

+  </data>

+  <data name="MessageImageFormatUnmatch" xml:space="preserve">

+    <value>Specified image format does not match the actual one .</value>

+  </data>

+  <data name="MessageImageUnknownError" xml:space="preserve">

+    <value>Unknown error happened to image.</value>

+  </data>

 </root>
\ No newline at end of file
diff --git a/BackEnd/Timeline/Services/Timeline/ITimelinePostService.cs b/BackEnd/Timeline/Services/Timeline/ITimelinePostService.cs
index d746cf63..92984938 100644
--- a/BackEnd/Timeline/Services/Timeline/ITimelinePostService.cs
+++ b/BackEnd/Timeline/Services/Timeline/ITimelinePostService.cs
@@ -66,7 +66,7 @@ namespace Timeline.Services.Timeline
         /// <exception cref="ArgumentException">Thrown when <paramref name="request"/> is of invalid format.</exception>

         /// <exception cref="EntityNotExistException">Thrown when timeline does not exist.</exception>

         /// <exception cref="EntityNotExistException">Thrown if user of <paramref name="authorId"/> does not exist.</exception>

-        /// <exception cref="ImageException">Thrown if data is not a image. Validated by <see cref="ImageService"/>.</exception>

+        /// <exception cref="TimelinePostCreateDataException">Thrown if data is illegal.</exception>

         Task<TimelinePostEntity> CreatePostAsync(long timelineId, long authorId, TimelinePostCreateRequest request);

 

         /// <summary>

diff --git a/BackEnd/Timeline/Startup.cs b/BackEnd/Timeline/Startup.cs
index 774895fe..1e0d4779 100644
--- a/BackEnd/Timeline/Startup.cs
+++ b/BackEnd/Timeline/Startup.cs
@@ -71,6 +71,7 @@ namespace Timeline
                 setup.Filters.Add(new ProducesAttribute(MimeTypes.ApplicationJson, MimeTypes.TextJson));

                 setup.Filters.Add<CatchEntityNotExistExceptionFilter>();

                 setup.Filters.Add<CatchEntityAlreadyExistExceptionFilter>();

+                setup.Filters.Add<CatchImageExceptionFilter>();

                 setup.UseApiRoutePrefix("api");

             })

             .AddJsonOptions(options =>