refactor(Post, PostMapper, PostRepository, CreatePostScreen, HomeScreen): update communityId to channelId for improved clarity

- Renamed communityId to channelId across Post entity, PostMapper, and PostRepository for consistency and clarity.
- Updated CreatePostScreen to include channel selection functionality, enhancing user experience when creating posts.
- Adjusted HomeScreen to support filtering posts by channel, improving content organization.
- Refactored related interfaces and services to align with the new channelId terminology, ensuring a cohesive codebase.

src/data/repositories/PostRepository.ts

@@ -37,7 +37,7 @@ interface PostApiResponse {
   is_favorited: boolean;
   is_pinned: boolean;
   status: string;
-  community_id?: string;
+  channel_id?: string;
   tags?: string[];
   created_at: string;
   updated_at: string;
@@ -124,7 +124,7 @@ export class PostRepository implements IPostRepository {
       isFavorited: model.isFavorited,
       isPinned: model.isTop,
       status: model.status,
-      communityId: model.communityId,
+      channelId: model.channelId,
       tags: model.tags || [],
       createdAt: model.createdAt.toISOString(),
       updatedAt: model.updatedAt.toISOString(),
@@ -143,7 +143,7 @@ export class PostRepository implements IPostRepository {
       created_at: model.createdAt.toISOString(),
       updated_at: model.updatedAt.toISOString(),
       content_edited_at: response.content_edited_at,
-      community_id: model.communityId,
+      channel_id: model.channelId,
     };
   }
 
@@ -250,7 +250,7 @@ export class PostRepository implements IPostRepository {
         queryParams.cursor = params.cursor;
       }
       if (params?.post_type) queryParams.tab = params.post_type;
-      if (params?.communityId) queryParams.community_id = params.communityId;
+      if (params?.channelId) queryParams.channel_id = params.channelId;
       if (params?.authorId) queryParams.author_id = params.authorId;
       if (params?.tags && params.tags.length > 0) queryParams.tags = params.tags.join(',');
       if (params?.status) queryParams.status = params.status;
@@ -364,7 +364,7 @@ export class PostRepository implements IPostRepository {
       if (params.page) queryParams.page = params.page;
       if (params.pageSize) queryParams.page_size = params.pageSize;
       if (params.scope) queryParams.scope = params.scope;
-      if (params.communityId) queryParams.community_id = params.communityId;
+      if (params.channelId) queryParams.channel_id = params.channelId;
 
       const response = await this.api.get<PostsListApiResponse>('/posts/search', queryParams);
 
@@ -398,7 +398,7 @@ export class PostRepository implements IPostRepository {
         data.title,
         data.content,
         data.images?.map(img => img.url),
-        data.communityId
+        data.channelId
       );
 
       if (data.tags && data.tags.length > 0) {