refactor(models): update data models and remove deprecated IM entities

- Update channel, notification, PR, repo, user, workspace models
- Remove deleted IM models: articles, channel follows, message
  attachments/bookmarks/drafts/edit history/embeds/mentions/pins/
  polls/reactions/threads, saved messages, thread read states
- Add new PR models: review requests, templates
- Add repo release assets model
- Add base_info module for API detail responses

models/channels/channel.rs

@@ -1,3 +1,4 @@
+use crate::models::base_info::UserBaseInfo;
 use crate::models::common::{
     ChannelKind, ChannelType, ForumLayout, ForumSortOrder, JsonValue, Visibility,
 };
@@ -5,7 +6,7 @@ use chrono::{DateTime, Utc};
 use serde::{Deserialize, Serialize};
 use uuid::Uuid;
 
-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, sqlx::FromRow)]
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, sqlx::FromRow, utoipa::ToSchema)]
 pub struct Channel {
     pub id: Uuid,
     pub workspace_id: Uuid,
@@ -41,3 +42,64 @@ pub struct Channel {
     pub updated_at: DateTime<Utc>,
     pub deleted_at: Option<DateTime<Utc>>,
 }
+
+#[derive(Debug, Clone, Serialize, Deserialize, utoipa::ToSchema)]
+pub struct ChannelDetail {
+    pub id: Uuid,
+    pub workspace_id: Uuid,
+    pub repo_id: Option<Uuid>,
+    pub category_id: Option<Uuid>,
+    pub creator: UserBaseInfo,
+    pub name: String,
+    pub topic: Option<String>,
+    pub description: Option<String>,
+    pub channel_type: ChannelType,
+    pub channel_kind: ChannelKind,
+    pub visibility: Visibility,
+    pub position: Option<i32>,
+    pub nsfw: bool,
+    pub archived: bool,
+    pub read_only: bool,
+    pub bitrate: Option<i32>,
+    pub user_limit: Option<i32>,
+    pub rtc_region: Option<String>,
+    pub parent_channel_id: Option<Uuid>,
+    pub last_message_id: Option<Uuid>,
+    pub last_message_at: Option<DateTime<Utc>>,
+    pub archived_at: Option<DateTime<Utc>>,
+    pub created_at: DateTime<Utc>,
+    pub updated_at: DateTime<Utc>,
+    pub deleted_at: Option<DateTime<Utc>>,
+}
+
+impl Channel {
+    pub fn into_detail(self, creator: UserBaseInfo) -> ChannelDetail {
+        ChannelDetail {
+            id: self.id,
+            workspace_id: self.workspace_id,
+            repo_id: self.repo_id,
+            category_id: self.category_id,
+            creator,
+            name: self.name,
+            topic: self.topic,
+            description: self.description,
+            channel_type: self.channel_type,
+            channel_kind: self.channel_kind,
+            visibility: self.visibility,
+            position: self.position,
+            nsfw: self.nsfw,
+            archived: self.archived,
+            read_only: self.read_only,
+            bitrate: self.bitrate,
+            user_limit: self.user_limit,
+            rtc_region: self.rtc_region,
+            parent_channel_id: self.parent_channel_id,
+            last_message_id: self.last_message_id,
+            last_message_at: self.last_message_at,
+            archived_at: self.archived_at,
+            created_at: self.created_at,
+            updated_at: self.updated_at,
+            deleted_at: self.deleted_at,
+        }
+    }
+}