workin on search based on tags

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/search/Search.svelte

@@ -9,7 +9,7 @@
     import Bookmark from '../bookmark/Template.svelte';
 
     const router  = useTinyRouter();
-    let counter   = 9;
+    let counter   = 10;
     let bookmarks = $state(null);
     let companies = $state(null);
     let documents = $state(null);
@@ -18,14 +18,13 @@
     let pages     = $state(null);
     let projects  = $state(null);
     let stock     = $state(null);
+    let tags      = $state(null);
     let tasks     = $state(null);
     let times     = $state(null);
 
-
-
     function doSearch(key){
         warn(t('searching…'));
-
+        console.log("doSearch");
         const data = { key : key, fulltext : fulltext };
         post(api('bookmark/search'),data).then(handleBookmarks);
         post(api('company/search '),data).then(handleCompanies);
@@ -34,6 +33,7 @@
         post(api('project/search' ),data).then(handleProjects);
         post(api('task/search'    ),data).then(handleTasks);
         post(api('stock/search'   ),data).then(handleStock);
+        post(api('tags/search'    ),data).then(handleTags);
         post(api('time/search'    ),data).then(handleTimes);
         post(api('wiki/search'    ),data).then(handleWikiPages);
     }
@@ -110,6 +110,20 @@
         }
     }
 
+    async function handleTags(resp){
+        quitOne();
+        if (resp.ok){
+            const res = await resp.json();
+            tags = Object.keys(res).length ? res : null;
+            for (let [module, ids] of Object.entries(tags)){
+                console.log("found "+module+" with tags:");
+                // TODO: load entities from module
+            }
+        } else {
+            error(resp);
+        }
+    }
+
     async function handleTasks(resp){
         quitOne();
         if (resp.ok){
@@ -364,3 +378,24 @@
     </ul>
 </fieldset>
 {/if}
+{#if tags}
+<fieldset>
+    <legend>
+        {t('tags')}
+    </legend>
+    <ul>
+        {#each Object.entries(tags) as [module,items]}
+        {#each items as item}
+        <li>
+            <a href="/{module}/{item}/view" {onclick} >{module} {item}</a>
+        </li>
+        {/each}
+        {/each}
+    </ul>
+</fieldset>
+{/if}
+<pre>
+    <code>
+        {JSON.stringify(tags,null,2)}
+    </code>
+</pre>

tags/src/main/java/de/srsoftware/umbrella/tags/TagModule.java

@@ -4,6 +4,7 @@ package de.srsoftware.umbrella.tags;
 import static de.srsoftware.umbrella.core.ConnectionProvider.connect;
 import static de.srsoftware.umbrella.core.ModuleRegistry.userService;
 import static de.srsoftware.umbrella.core.ResponseCode.HTTP_UNPROCESSABLE;
+import static de.srsoftware.umbrella.core.constants.Field.KEY;
 import static de.srsoftware.umbrella.core.constants.Field.USER_LIST;
 import static de.srsoftware.umbrella.core.constants.Path.SEARCH;
 import static de.srsoftware.umbrella.core.constants.Path.USES;
@@ -94,7 +95,18 @@ public class TagModule extends BaseHandler implements TagService {
 			var user = userService().loadUser(token);
 			if (user.isEmpty()) return unauthorized(ex);
 			var module = path.pop();
-			if (module == null) throw unprocessable("Module missing in path.");
+			return switch (module) {
+				case null -> throw unprocessable("Module missing in path.");
+				case SEARCH -> postSearch(ex, path, user.get());
+				default -> postTag(ex, module, path);
+			};
+		} catch (UmbrellaException e) {
+			return send(ex, e);
+		}
+	}
+
+	private boolean postTag(HttpExchange ex, String module, Path path) throws IOException {
+		try {
 			var head = path.pop();
 			long entityId = Long.parseLong(head);
 			var json = json(ex);
@@ -102,7 +114,7 @@ public class TagModule extends BaseHandler implements TagService {
 			List<Long> userList = null;
 			if (!json.has(USER_LIST)) throw missingField(USER_LIST);
 			var ul = json.isNull(USER_LIST) ? null : json.get(USER_LIST);
-			if (ul instanceof JSONArray arr){
+			if (ul instanceof JSONArray arr) {
 				userList = arr.toList().stream()
 						.filter(elem -> elem instanceof Number)
 						.map(Number.class::cast)
@@ -115,8 +127,6 @@ public class TagModule extends BaseHandler implements TagService {
 			return sendContent(ex, tag);
 		} catch (NumberFormatException e) {
 			return sendContent(ex, HTTP_UNPROCESSABLE, "Entity id missing in path.");
-		} catch (UmbrellaException e) {
-			return send(ex, e);
 		}
 	}
 
@@ -149,6 +159,13 @@ public class TagModule extends BaseHandler implements TagService {
 		return entry;
 	}
 
+	private boolean postSearch(HttpExchange ex, Path path, UmbrellaUser user) throws IOException {
+		var json = json(ex);
+		if (!json.has(KEY)) throw missingField(KEY);
+		var key = json.getString(KEY);
+		return getTagUses(ex,key,user);
+	}
+
 	@Override
 	public void save(String module, long entityId, Collection<Long> userIds, Collection<String> tags) {
 		tagDb.save(userIds,module,entityId,tags.stream().map(String::trim).toList());