perf: cache public gallery views

server-rs/crates/spacetime-module/src/match3d/mod.rs

@@ -19,6 +19,62 @@ use module_match3d::{
 use serde::Serialize;
 use serde::de::DeserializeOwned;
 use serde_json::Value;
+use spacetimedb::AnonymousViewContext;
+
+/// 抓大鹅公开广场列表投影。
+///
+/// `match3d_work_profile` 是玩法源表，HTTP gallery 只订阅这个轻量 view，
+/// 避免每个公开列表请求重新调用 procedure 扫描和组装全量列表。
+#[spacetimedb::view(accessor = match3d_gallery_view, public)]
+pub fn match3d_gallery_view(ctx: &AnonymousViewContext) -> Vec<Match3DGalleryViewRow> {
+    let mut items = ctx
+        .db
+        .match3d_work_profile()
+        .by_match3d_work_publication_status()
+        .filter(MATCH3D_PUBLICATION_PUBLISHED)
+        .filter_map(|row| match build_gallery_view_row(&row) {
+            Ok(item) => Some(item),
+            Err(error) => {
+                log::warn!(
+                    "抓大鹅公开广场 view 跳过损坏的作品投影 profile_id={}: {}",
+                    row.profile_id,
+                    error
+                );
+                None
+            }
+        })
+        .collect::<Vec<_>>();
+    items.sort_by(|left, right| {
+        right
+            .updated_at_micros
+            .cmp(&left.updated_at_micros)
+            .then_with(|| left.profile_id.cmp(&right.profile_id))
+    });
+    items
+}
+
+#[derive(Clone, Debug, PartialEq, Eq, SpacetimeType)]
+pub struct Match3DGalleryViewRow {
+    pub profile_id: String,
+    pub owner_user_id: String,
+    pub source_session_id: String,
+    pub author_display_name: String,
+    pub game_name: String,
+    pub theme_text: String,
+    pub summary_text: String,
+    pub tags: Vec<String>,
+    pub cover_image_src: String,
+    pub cover_asset_id: String,
+    pub reference_image_src: Option<String>,
+    pub clear_count: u32,
+    pub difficulty: u32,
+    pub publication_status: String,
+    pub publish_ready: bool,
+    pub play_count: u32,
+    pub updated_at_micros: i64,
+    pub published_at_micros: Option<i64>,
+    pub generated_item_assets_json: Option<String>,
+}
 
 #[spacetimedb::procedure]
 pub fn create_match3d_agent_session(
@@ -1004,6 +1060,35 @@ fn build_work_snapshot(row: &Match3DWorkProfileRow) -> Result<Match3DWorkSnapsho
     })
 }
 
+fn build_gallery_view_row(row: &Match3DWorkProfileRow) -> Result<Match3DGalleryViewRow, String> {
+    let config = parse_config(&row.config_json)?;
+    Ok(Match3DGalleryViewRow {
+        profile_id: row.profile_id.clone(),
+        owner_user_id: row.owner_user_id.clone(),
+        source_session_id: row.source_session_id.clone(),
+        author_display_name: row.author_display_name.clone(),
+        game_name: row.game_name.clone(),
+        theme_text: row.theme_text.clone(),
+        summary_text: row.summary_text.clone(),
+        tags: parse_tags(&row.tags_json)?,
+        cover_image_src: row.cover_image_src.clone(),
+        cover_asset_id: row.cover_asset_id.clone(),
+        reference_image_src: config.reference_image_src,
+        clear_count: row.clear_count,
+        difficulty: row.difficulty,
+        publication_status: row.publication_status.clone(),
+        publish_ready: is_work_publish_ready(row),
+        play_count: row.play_count,
+        updated_at_micros: row.updated_at.to_micros_since_unix_epoch(),
+        published_at_micros: row
+            .published_at
+            .map(|value| value.to_micros_since_unix_epoch()),
+        generated_item_assets_json: normalize_generated_item_assets_json(
+            row.generated_item_assets_json.as_deref(),
+        )?,
+    })
+}
+
 fn build_initial_run_snapshot(
     run_id: &str,
     work: &Match3DWorkProfileRow,
@@ -1908,8 +1993,7 @@ mod tests {
         };
 
         let row_json = to_json_string(&draft);
-        let restored =
-            parse_json::<Match3DDraftSnapshot>(&row_json, "match3d draft_json").unwrap();
+        let restored = parse_json::<Match3DDraftSnapshot>(&row_json, "match3d draft_json").unwrap();
 
         assert_eq!(
             restored.generated_item_assets_json.as_deref(),