working on tagging system

frontend/src/routes/project/Kanban.svelte

@@ -11,17 +11,17 @@
 
     let { id } = $props();
 
+    let dragged = null;
     let error = $state(null);
+    let highlight = $state({});
     let project = $state(null);
+    let ready = $state(false);
     let router = useTinyRouter();
     let states = $state(null);
     let tasks = $state({});
-    let highlight = $state({});
+    let users = {};
 
     let columns = $derived(states?Object.keys(states).length+1:1);
-    let dragged = null;
-    let users = {};
-    let ready = $state(false);
 
     async function create(name,user_id,state){
         var url = api('task/add');
@@ -51,11 +51,39 @@
         }
     }
 
+    async function drop(user_id,state){
+        let task = dragged;
+        dragged = null;
+        highlight = {};
+        if (task.assignee == user_id && task.status.code == state) return; // no change
+        let patch = {members:{},status:+state}
+        patch.members[user_id] = 'ASSIGNEE';
+
+        const url = api(`task/${task.id}`);
+        const resp = await fetch(url,{
+            credentials: 'include',
+            method: 'PATCH',
+            body: JSON.stringify(patch)
+        });
+        if (resp.ok){
+            delete tasks[task.assignee][task.status.code][task.id]
+            if (!tasks[user_id]) tasks[user_id] = {}
+            if (!tasks[user_id][state]) tasks[user_id][state] = {}
+            tasks[user_id][state][task.id] = task;
+            task.assignee = user_id;
+            task.status = {code:state,name:states[state]};
+            error = null;
+        } else {
+            error = await resp.text();
+        }
+    }
+
     async function load(){
         await loadProject();
         await loadStates();
         await loadTasks({project_id:+id,parent_task_id:0});
         ready = true;
+        loadTags();
     }
 
     async function loadProject(){
@@ -85,6 +113,26 @@
         }
     }
 
+    async function loadTag(task){
+        const url = api(`tags/task/${task.id}`);
+        const resp = await fetch(url,{credentials:'include'});
+        if (resp.ok) {
+            const tags = await resp.json();
+            if (tags.length) task.tags = tags.sort();
+        }
+    }
+
+    function loadTags(){
+        for (let uid of Object.keys(tasks)){
+            for (let state of Object.keys(tasks[uid])){
+                for (let tid of Object.keys(tasks[uid][state])){
+                    const task = tasks[uid][state][tid];
+                    loadTag(task);
+                }
+            }
+        }
+    }
+
     async function loadTasks(selector){
         const url = api('task/list');
         selector.show_closed = true;
@@ -118,32 +166,6 @@
         }
     }
 
-    async function drop(user_id,state){
-        let task = dragged;
-        dragged = null;
-        highlight = {};
-        if (task.assignee == user_id && task.status.code == state) return; // no change
-        let patch = {members:{},status:+state}
-        patch.members[user_id] = 'ASSIGNEE';
-
-        const url = api(`task/${task.id}`);
-        const resp = await fetch(url,{
-            credentials: 'include',
-            method: 'PATCH',
-            body: JSON.stringify(patch)
-        });
-        if (resp.ok){
-            delete tasks[task.assignee][task.status.code][task.id]
-            if (!tasks[user_id]) tasks[user_id] = {}
-            if (!tasks[user_id][state]) tasks[user_id][state] = {}
-            tasks[user_id][state][task.id] = task;
-            task.assignee = user_id;
-            task.status = {code:state,name:states[state]};
-            error = null;
-        } else {
-            error = await resp.text();
-        }
-    }
 
     function hover(ev,user_id,state){
         ev.preventDefault();

frontend/src/routes/project/KanbanCard.svelte

@@ -9,6 +9,11 @@
     ({task.estimated_time} h)
     </span>
     {/if}
+    {#if task.tags}
+    <span class="tags">
+        {task.tags.join(' ')}
+    </span>
+    {/if}
     {#if task.due_date}
     <span class="due_date">
         {#if task.start_date}

frontend/src/routes/tags/TagList.svelte

@@ -44,8 +44,8 @@
         return false;
     }
 
-    async function loadTags(){
+    async function loadTags(entityId){
-        const url = api(`tags/${module}/${id}`);
+        const url = api(`tags/${module}/${entityId}`);
         const resp = await fetch(url,{credentials:'include'});
         if (resp.ok) {
             tags = await resp.json();
@@ -54,7 +54,7 @@
         }
     }
 
-    onMount(loadTags);
+    $effect(() => loadTags(id));
 </script>
 
 <style>

frontend/src/routes/task/View.svelte

@@ -290,7 +290,7 @@
                 {t('tags')}
             </th>
             <td class="tags">
-                <TagList module="task", {id} user_list={Object.keys(task.members).map(id => +id)} />
+                <TagList module="task" {id} user_list={Object.keys(task.members).map(id => +id)} />
             </td>
         </tr>
     </tbody>

web/src/main/resources/web/css/default.css

@@ -45,6 +45,7 @@ footer {
 }
 nav {
   position: sticky;
+  z-index: 100;
   top: 0;
   background: #26220c;
   padding: 5px;
@@ -184,6 +185,19 @@ textarea{
     right: 0;
 }
 
+.kanban .tags {
+  position: absolute;
+  left: 0;
+  bottom: 0;
+  font-size: 0.5em;
+}
+.kanban .user,
+.kanban .head {
+  position: sticky;
+  top: 50px;
+  z-index: 20;
+}
+
 .project th,
 .task th{
     text-align: right;