Implement Discord appeal functionality, including database schema, API endpoints, front-end form, and Discord message handling.

open_api/src/main/resources/api.yml

@@ -59,6 +59,8 @@ paths:
     $ref: './schemas/bans/bans.yml#/removePunishment'
   /api/appeal/update-mail:
     $ref: './schemas/forms/appeal/appeal.yml#/UpdateMail'
+  /api/appeal/discord/getBannedUser:
+    $ref: './schemas/forms/appeal/discordAppeal.yml#/getBannedUser'
   /api/appeal/minecraft-appeal:
     $ref: './schemas/forms/appeal/appeal.yml#/MinecraftAppeal'
   /api/appeal/discord-appeal:

open_api/src/main/resources/schemas/forms/appeal/appeal.yml

@@ -119,23 +119,20 @@ components:
       type: object
       description: Schema for Discord ban/punishment appeals
       required:
-        - email
-        - punishmentId
+        - discordId
         - appeal
+        - email
       properties:
-        userId:
+        discordId:
           type: integer
           format: int64
-          description: Discord user ID of the appealing user
-        email:
-          type: string
-          description: Contact email address of the appealing user
-        punishmentId:
-          type: integer
-          description: Unique identifier of the punishment being appealed
+          description: Discord user's unique identifier'
         appeal:
           type: string
           description: Appeal text explaining why the punishment should be reconsidered
+        email:
+          type: string
+          description: Contact email address of the appealing user
     UpdateMail:
       type: object
       required:

open_api/src/main/resources/schemas/forms/appeal/discordAppeal.yml

@@ -0,0 +1,57 @@
+getBannedUser:
+  post:
+    tags:
+      - appeals
+    summary: get banned user
+    description: Get a banned user by their discord id
+    operationId: getBannedUser
+    parameters:
+      - name: discordId
+        in: query
+        required: true
+        description: The discord id of the user
+        schema:
+          type: integer
+          format: int64
+    responses:
+      '200':
+        description: Banned user
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/BannedUserResponse'
+      default:
+        description: Unexpected error
+        content:
+          application/json:
+            schema:
+              $ref: '../../generic/errors.yml#/components/schemas/ApiError'
+components:
+  schemas:
+    BannedUserResponse:
+      type: object
+      required:
+        - isBanned
+      properties:
+        isBanned:
+          type: boolean
+          description: Whether the user is banned
+        bannedUser:
+          $ref: '#/components/schemas/BannedUser'
+    BannedUser:
+      type: object
+      required:
+        - userId
+        - reason
+        - name
+        - avatarUrl
+      properties:
+        userId:
+          type: integer
+          format: int64
+        reason:
+          type: string
+        name:
+          type: string
+        avatarUrl:
+          type: string