tag suggestions

src/inc/lib.mjs

@@ -98,7 +98,7 @@ export default new class {
   };
   async getTags(itemid) {
     const tags = await sql("tags_assign")
-      .select("tags.id", "tags.tag", "user.user")
+      .select("tags.id", "tags.tag", "tags.normalized", "user.user")
       .leftJoin("tags", "tags.id", "tags_assign.tag_id")
       .leftJoin("user", "user.id", "tags_assign.user_id")
       .where("tags_assign.item_id", itemid)

src/inc/routes/apiv2.mjs

@@ -163,18 +163,41 @@ export default (router, tpl) => {
         q = q.andWhere("user_id", req.session.id);
       const reply = !!(await q);
 
-      /*await sql('tags') // delete unused tags
-        .whereNotIn('id', sql('tags_assign').select('tag_id'))
-        .andWhereNot('tag', 'sfw')
-        .andWhereNot('tag', 'nsfw')
-        .del();*/
-
       return res.reply({ body: JSON.stringify({
         success: reply,
         tagid: tagid,
         tags: await lib.getTags(postid)
       })});
     });
+
+    group.post(/\/admin\/tags\/suggest$/, auth, async (req, res) => {
+      const reply = {
+        success: false,
+        suggestions: {}
+      };
+
+      if(req.post?.searchString.length <= 1) {
+        reply.error = 'too short lol';
+        return res.reply({ body: JSON.stringify(reply) });
+      }
+
+      try {
+        const q = await sql('tags')
+          .select('tag', sql.raw('count(tags_assign.tag_id) as tagged'))
+          .leftJoin('tags_assign', 'tags_assign.tag_id', 'tags.id')
+          .whereRaw("normalized like '%' || slugify(?) || '%'", [ req.post.searchString ])
+          .groupBy('tags.id')
+          .orderBy('tagged', 'desc')
+          .limit(15);
+        reply.success = true;
+        reply.suggestions = q;
+      } catch(err) {
+        reply.success = false;
+        reply.error = err.msg;
+      }
+
+      return res.reply({ body: JSON.stringify(reply) });
+    });
   
     group.get(/\/admin\/tags\/get\/\d+$/, auth, async (req, res) => {
       return res.reply({ body: JSON.stringify({