Add category deletion feature

admin-server.ts

@@ -14,6 +14,11 @@ import {
   fetchEpisodesWithArticles,
   getAllCategories,
   getAllFeedsIncludingInactive,
+  getAllUsedCategories,
+  getCategoryCounts,
+  deleteCategoryFromBoth,
+  deleteFeedCategory,
+  deleteEpisodeCategory,
   getFeedByUrl,
   getFeedRequests,
   getFeedsByCategory,
@@ -345,6 +350,81 @@ app.delete("/api/admin/episodes/:id", async (c) => {
   }
 });
 
+// Category management API endpoints
+app.get("/api/admin/categories/all", async (c) => {
+  try {
+    const categories = await getAllUsedCategories();
+    return c.json(categories);
+  } catch (error) {
+    console.error("Error fetching all used categories:", error);
+    return c.json({ error: "Failed to fetch categories" }, 500);
+  }
+});
+
+app.get("/api/admin/categories/:category/counts", async (c) => {
+  try {
+    const category = decodeURIComponent(c.req.param("category"));
+    const counts = await getCategoryCounts(category);
+    return c.json(counts);
+  } catch (error) {
+    console.error("Error fetching category counts:", error);
+    return c.json({ error: "Failed to fetch category counts" }, 500);
+  }
+});
+
+app.delete("/api/admin/categories/:category", async (c) => {
+  try {
+    const category = decodeURIComponent(c.req.param("category"));
+    const { target } = await c.req.json<{ target: "feeds" | "episodes" | "both" }>();
+
+    if (!category || category.trim() === "") {
+      return c.json({ error: "Category name is required" }, 400);
+    }
+
+    if (!target || !["feeds", "episodes", "both"].includes(target)) {
+      return c.json({ error: "Valid target (feeds, episodes, or both) is required" }, 400);
+    }
+
+    console.log(`🗑️  Admin deleting category "${category}" from ${target}`);
+
+    let result;
+    if (target === "both") {
+      result = await deleteCategoryFromBoth(category);
+      return c.json({
+        result: "DELETED",
+        message: `Category "${category}" deleted from feeds and episodes`,
+        category,
+        feedChanges: result.feedChanges,
+        episodeChanges: result.episodeChanges,
+        totalChanges: result.feedChanges + result.episodeChanges
+      });
+    } else if (target === "feeds") {
+      const changes = await deleteFeedCategory(category);
+      return c.json({
+        result: "DELETED",
+        message: `Category "${category}" deleted from feeds`,
+        category,
+        feedChanges: changes,
+        episodeChanges: 0,
+        totalChanges: changes
+      });
+    } else if (target === "episodes") {
+      const changes = await deleteEpisodeCategory(category);
+      return c.json({
+        result: "DELETED",
+        message: `Category "${category}" deleted from episodes`,
+        category,
+        feedChanges: 0,
+        episodeChanges: changes,
+        totalChanges: changes
+      });
+    }
+  } catch (error) {
+    console.error("Error deleting category:", error);
+    return c.json({ error: "Failed to delete category" }, 500);
+  }
+});
+
 // Database diagnostic endpoint
 app.get("/api/admin/db-diagnostic", async (c) => {
   try {