refactor post model

src/app/feed/posts/postsService.ts

@@ -29,22 +29,34 @@ export class PostsService {
     return Post.fromDto(response.data.post)
   }
 
-  async loadPublicFeed(
-    cursor: string | null,
-    amount: number | null,
-  ): Promise<{ posts: Post[]; next: string | null }> {
+  async load(postId: string): Promise<Post | null> {
+    const response = await this.client.GET('/posts/{postId}', {
+      params: {
+        path: { postId },
+      },
+      credentials: 'include',
+    })
+
+    if (!response.data?.post) {
+      return null
+    }
+
+    return Post.fromDto(response.data.post)
+  }
+
+  async loadPublicFeed(cursor: string | null, amount: number | null): Promise<{ posts: Post[] }> {
     const response = await this.client.GET('/posts', {
       params: {
-        query: { From: cursor ?? undefined, Amount: amount ?? undefined },
+        query: { After: cursor ?? undefined, Amount: amount ?? undefined },
       },
       credentials: 'include',
     })
 
     if (!response.data) {
-      return { posts: [], next: null }
+      return { posts: [] }
     }
 
-    return { posts: response.data.posts.map(Post.fromDto), next: response.data.next }
+    return { posts: response.data.posts.map(Post.fromDto) }
   }
 
   async addReaction(postId: string, emoji: string): Promise<void> {