Add category filter for custom emoji

crates/api_common/src/custom_emoji.rs

@@ -57,11 +57,12 @@ pub struct ListCustomEmojisResponse {
 }
 
 #[skip_serializing_none]
-#[derive(Debug, Serialize, Deserialize, Clone, Copy, Default, PartialEq, Eq, Hash)]
+#[derive(Debug, Serialize, Deserialize, Clone, Default, PartialEq, Eq, Hash)]
 #[cfg_attr(feature = "full", derive(TS))]
 #[cfg_attr(feature = "full", ts(export))]
-/// Fetches a list of registration applications.
+/// Fetches a list of custom emojis.
 pub struct ListCustomEmojis {
   pub page: Option<i64>,
   pub limit: Option<i64>,
+  pub category: Option<String>,
 }

crates/api_crud/src/custom_emoji/list.rs

@@ -16,11 +16,11 @@ pub async fn list_custom_emojis(
   let custom_emojis = CustomEmojiView::list(
     &mut context.pool(),
     local_site.local_site.id,
+    &data.category,
     data.page,
     data.limit,
   )
-  .await
-  .map_err(|e| anyhow::anyhow!("Failed to construct custom emojis response: {e}"))?;
+  .await?;
 
   Ok(Json(ListCustomEmojisResponse { custom_emojis }))
 }

crates/db_views/src/custom_emoji_view.rs

@@ -60,16 +60,25 @@ impl CustomEmojiView {
   pub async fn list(
     pool: &mut DbPool<'_>,
     for_local_site_id: LocalSiteId,
+    category: &Option<String>,
     page: Option<i64>,
     limit: Option<i64>,
   ) -> Result<Vec<Self>, Error> {
     let conn = &mut get_conn(pool).await?;
     let (limit, offset) = limit_and_offset(page, limit)?;
-    let emojis = custom_emoji::table
-      .filter(custom_emoji::local_site_id.eq(for_local_site_id))
+    let mut query = custom_emoji::table
       .left_join(
         custom_emoji_keyword::table.on(custom_emoji_keyword::custom_emoji_id.eq(custom_emoji::id)),
       )
+      .into_boxed();
+
+    query = query.filter(custom_emoji::local_site_id.eq(for_local_site_id));
+
+    if let Some(category) = category {
+      query = query.filter(custom_emoji::category.eq(category))
+    }
+
+    let emojis = query
       .order(custom_emoji::category)
       .then_order_by(custom_emoji::id)
       .select((