From cf212981573da98e6be799f82c8c250475e6f8fe Mon Sep 17 00:00:00 2001
From: Flummi <flummi@f0ck.space>
Date: Thu, 24 Mar 2022 05:13:10 +0100
Subject: [PATCH] tag suggestions

---
 public/s/js/admin.js     | 47 ++++++++++++++++++++++++++++++++++------
 src/inc/lib.mjs          |  2 +-
 src/inc/routes/apiv2.mjs | 35 +++++++++++++++++++++++++-----
 3 files changed, 70 insertions(+), 14 deletions(-)

diff --git a/public/s/js/admin.js b/public/s/js/admin.js
index d347027..cf95641 100644
--- a/public/s/js/admin.js
+++ b/public/s/js/admin.js
@@ -113,9 +113,18 @@ const flash = ({ type, msg }) => {
       const input = document.createElement("input");
       input.size = "10";
       input.value = "";
+      input.setAttribute("list", "testlist");
 
-      let tt;
-      input.addEventListener("keydown", async e => {
+      span.insertAdjacentElement("afterbegin", input);
+      insert.insertAdjacentElement("beforebegin", span);
+
+      input.focus();
+
+      let tt = null;
+      let lastInput = '';
+      const testList = document.querySelector('#testList');
+
+      input.addEventListener("keyup", async e => {
         if(e.key === "Enter") {
           const tmptag = input.value?.trim();
           if(tags.includes(tmptag))
@@ -130,18 +139,42 @@ const flash = ({ type, msg }) => {
           tags = res.tags.map(t => t.tag);
           renderTags(res.tags);
           addtagClick();
+          testList.innerText = "";
         }
         else if(e.key === "Escape") {
           span.parentElement.removeChild(span);
+          testList.innerText = "";
+        }
+        else {
+          if(tt != null)
+            clearTimeout(tt);
+
+          tt = setTimeout(async () => {
+            globalTimeout = null;  
+
+            const tmptag = input.value?.trim();
+
+            if(tmptag == lastInput || tmptag.length <= 1)
+              return false;
+
+            testList.innerText = "";
+            lastInput = tmptag;
+  
+            const res = await (await post("/api/v2/admin/tags/suggest", {
+              searchString: tmptag
+            })).json();
+  
+            for(const entry of res.suggestions) {
+              const option = document.createElement('option');
+              option.value = entry.tag;
+              option.innerText = `tagged ${entry.tagged} times`;
+              testList.insertAdjacentElement('beforeEnd', option);
+            };
+          }, 500);
         }
         return true;
       });
 
-      span.insertAdjacentElement("afterbegin", input);
-      insert.insertAdjacentElement("beforebegin", span);
-
-      input.focus();
-
       input.addEventListener("focusout", ie => {
         if(input.value.length === 0)
           input.parentElement.parentElement.removeChild(input.parentElement);
diff --git a/src/inc/lib.mjs b/src/inc/lib.mjs
index 1258205..0eeca9c 100644
--- a/src/inc/lib.mjs
+++ b/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)
diff --git a/src/inc/routes/apiv2.mjs b/src/inc/routes/apiv2.mjs
index 44c1234..5425a2f 100644
--- a/src/inc/routes/apiv2.mjs
+++ b/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({