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src/automats/categoryAutomat.js

@@ -401,6 +401,28 @@ const actions = {
     return res.category;
   },
 
+  /**
+   * Generate a mosaic image for a category from its articles and subcategories.
+   * @param {{ categoryId: number|string, size?: number }} param0
+   */
+  async generateCategoryImage({ categoryId, size } = {}) {
+    const res = await categoryApi.generateImage(categoryId, { size });
+    const { id, fullHash, thumbW, thumbH, thumbHash } = res.category;
+    const { categories } = categoryAutomat.state;
+    if (!categories) return res.category;
+    const key = String(id);
+    const nextCategories = {
+      ...categories,
+      [key]: { ...categories[key], fullHash, thumbW, thumbH, thumbHash },
+    };
+    categoryAutomat.setState({
+      categories: nextCategories,
+    });
+    refreshCategoryViewChildren(nextCategories);
+    return res.category;
+  },
+
+
   // ─── Local state patches ───────────────────────────────────────────────────
 
   /** Remove an article from all live category view lists (used after article deletion). */