feat(api): implement DELETE method for /api/user/me endpoint

src/app/api/user/me/route.ts

@@ -8,6 +8,7 @@ import {
 import { FullUserResponseSchema } from '../validation';
 import {
   ErrorResponseSchema,
+  SuccessResponseSchema,
   ZodErrorResponseSchema,
 } from '@/app/api/validation';
 
@@ -117,3 +118,43 @@ export const PATCH = auth(async function PATCH(req) {
     { status: 200 },
   );
 });
+
+export const DELETE = auth(async function DELETE(req) {
+  const authCheck = userAuthenticated(req);
+  if (!authCheck.continue)
+    return returnZodTypeCheckedResponse(
+      ErrorResponseSchema,
+      authCheck.response,
+      authCheck.metadata,
+    );
+
+  const dbUser = await prisma.user.findUnique({
+    where: {
+      id: authCheck.user.id,
+    },
+  });
+  if (!dbUser)
+    return returnZodTypeCheckedResponse(
+      ErrorResponseSchema,
+      {
+        success: false,
+        message: 'User not found',
+      },
+      { status: 404 },
+    );
+
+  await prisma.user.delete({
+    where: {
+      id: authCheck.user.id,
+    },
+  });
+
+  return returnZodTypeCheckedResponse(
+    SuccessResponseSchema,
+    {
+      success: true,
+      message: 'User deleted successfully',
+    },
+    { status: 200 },
+  );
+});

src/app/api/user/me/swagger.ts

@@ -7,6 +7,7 @@ import {
   serverReturnedDataValidationErrorResponse,
   userNotFoundResponse,
 } from '@/lib/defaultApiResponses';
+import { SuccessResponseSchema } from '../../validation';
 
 export default function registerSwaggerPaths(registry: OpenAPIRegistry) {
   registry.registerPath({
@@ -60,4 +61,24 @@ export default function registerSwaggerPaths(registry: OpenAPIRegistry) {
     },
     tags: ['User'],
   });
+
+  registry.registerPath({
+    method: 'delete',
+    path: '/api/user/me',
+    description: 'Delete the currently authenticated user',
+    responses: {
+      200: {
+        description: 'User deleted successfully',
+        content: {
+          'application/json': {
+            schema: SuccessResponseSchema,
+          },
+        },
+      },
+      ...notAuthenticatedResponse,
+      ...userNotFoundResponse,
+      ...serverReturnedDataValidationErrorResponse,
+    },
+    tags: ['User'],
+  });
 }