perf: cache public gallery views

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

@@ -26,6 +26,65 @@ use module_square_hole::{
 };
 use serde::Serialize;
 use serde::de::DeserializeOwned;
+use spacetimedb::AnonymousViewContext;
+
+/// 方洞挑战公开广场列表投影。
+///
+/// HTTP gallery 通过 `spacetime-client` 订阅该 view 后读本地 cache，
+/// 不再在每个公开列表请求里调用 `list_square_hole_works` procedure。
+#[spacetimedb::view(accessor = square_hole_gallery_view, public)]
+pub fn square_hole_gallery_view(ctx: &AnonymousViewContext) -> Vec<SquareHoleGalleryViewRow> {
+    let mut items = ctx
+        .db
+        .square_hole_work_profile()
+        .by_square_hole_work_publication_status()
+        .filter(SQUARE_HOLE_PUBLICATION_PUBLISHED)
+        .filter_map(|row| match build_gallery_view_row(&row) {
+            Ok(item) => Some(item),
+            Err(error) => {
+                log::warn!(
+                    "方洞挑战公开广场 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 SquareHoleGalleryViewRow {
+    pub work_id: String,
+    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 twist_rule: String,
+    pub summary_text: String,
+    pub tags: Vec<String>,
+    pub cover_image_src: String,
+    pub background_prompt: String,
+    pub background_image_src: String,
+    pub shape_options: Vec<SquareHoleShapeOptionSnapshot>,
+    pub hole_options: Vec<SquareHoleHoleOptionSnapshot>,
+    pub shape_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>,
+}
 
 #[spacetimedb::procedure]
 pub fn create_square_hole_agent_session(
@@ -880,6 +939,38 @@ fn build_work_snapshot(row: &SquareHoleWorkProfileRow) -> Result<SquareHoleWorkS
     })
 }
 
+fn build_gallery_view_row(
+    row: &SquareHoleWorkProfileRow,
+) -> Result<SquareHoleGalleryViewRow, String> {
+    let config = parse_config(&row.config_json)?;
+    Ok(SquareHoleGalleryViewRow {
+        work_id: row.work_id.clone(),
+        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(),
+        twist_rule: row.twist_rule.clone(),
+        summary_text: row.summary_text.clone(),
+        tags: parse_tags(&row.tags_json)?,
+        cover_image_src: row.cover_image_src.clone(),
+        background_prompt: config.background_prompt,
+        background_image_src: config.background_image_src,
+        shape_options: config.shape_options,
+        hole_options: config.hole_options,
+        shape_count: row.shape_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()),
+    })
+}
+
 fn refresh_run_row(
     ctx: &ReducerContext,
     row: SquareHoleRuntimeRunRow,

server-rs/crates/spacetime-module/src/square_hole/types.rs

@@ -222,7 +222,7 @@ pub struct SquareHoleCreatorConfigSnapshot {
     pub background_image_src: String,
 }
 
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Eq, SpacetimeType, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct SquareHoleShapeOptionSnapshot {
     pub option_id: String,
@@ -235,7 +235,7 @@ pub struct SquareHoleShapeOptionSnapshot {
     pub image_src: String,
 }
 
-#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+#[derive(Clone, Debug, PartialEq, Eq, SpacetimeType, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct SquareHoleHoleOptionSnapshot {
     pub hole_id: String,