implemented loading of bookmarks and bookmark list

bookmark/src/main/java/de/srsoftware/umbrella/bookmarks/BookmarkApi.java

@@ -3,10 +3,12 @@ package de.srsoftware.umbrella.bookmarks;
 
 import static de.srsoftware.umbrella.bookmarks.Constants.*;
 import static de.srsoftware.umbrella.core.ConnectionProvider.connect;
+import static de.srsoftware.umbrella.core.Constants.COMMENT;
 import static de.srsoftware.umbrella.core.Constants.URL;
+import static de.srsoftware.umbrella.core.Paths.LIST;
+import static de.srsoftware.umbrella.core.Util.mapValues;
 import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.missingFieldException;
 import static java.net.HttpURLConnection.HTTP_BAD_REQUEST;
-import static java.net.HttpURLConnection.HTTP_NOT_IMPLEMENTED;
 
 import com.sun.net.httpserver.HttpExchange;
 import de.srsoftware.configuration.Configuration;
@@ -30,6 +32,25 @@ public class BookmarkApi extends BaseHandler {
 		users = userService;
 	}
 
+	@Override
+	public boolean doGet(Path path, HttpExchange ex) throws IOException {
+		addCors(ex);
+		try {
+			Optional<Token> token = SessionToken.from(ex).map(Token::of);
+			var user = users.loadUser(token);
+			if (user.isEmpty()) return unauthorized(ex);
+			var head = path.pop();
+			return switch (head) {
+				case LIST -> getUserBookmarks(user.get(),ex);
+				case null, default -> super.doPost(path,ex);
+			};
+		} catch (NumberFormatException e){
+			return sendContent(ex,HTTP_BAD_REQUEST,"Invalid project id");
+		} catch (UmbrellaException e){
+			return send(ex,e);
+		}
+	}
+
 	@Override
 	public boolean doPost(Path path, HttpExchange ex) throws IOException {
 		addCors(ex);
@@ -49,11 +70,16 @@ public class BookmarkApi extends BaseHandler {
 		}
 	}
 
+	private boolean getUserBookmarks(UmbrellaUser user, HttpExchange ex) throws IOException {
+		var bookmarks = db.list(user.id());
+		return sendContent(ex,mapValues(bookmarks));
+	}
+
 	private boolean postBookmark(UmbrellaUser user, HttpExchange ex) throws IOException {
 		var json = json(ex);
 		if (!(json.has(URL) && json.get(URL) instanceof String url)) throw missingFieldException(URL);
 		if (!(json.has(COMMENT) && json.get(COMMENT) instanceof String comment)) throw missingFieldException(COMMENT);
-		var urlHash = db.save(url,comment, user.id());
-		return sendContent(ex,urlHash);
+		var bookmark = db.save(url,comment, user.id());
+		return sendContent(ex,bookmark);
 	}
 }

bookmark/src/main/java/de/srsoftware/umbrella/bookmarks/BookmarkDb.java

@@ -1,6 +1,12 @@
 /* © SRSoftware 2025 */
 package de.srsoftware.umbrella.bookmarks;
 
+import de.srsoftware.umbrella.core.model.Bookmark;
+import de.srsoftware.umbrella.core.model.Hash;
+import java.util.Map;
+
 public interface BookmarkDb {
-	String save(String url, String comment, long userId);
+	Bookmark save(String url, String comment, long userId);
+
+	Map<Hash, Bookmark> list(long id);
 }

bookmark/src/main/java/de/srsoftware/umbrella/bookmarks/Constants.java

@@ -2,9 +2,7 @@
 package de.srsoftware.umbrella.bookmarks;
 
 public class Constants {
-	public static final String COMMENT = "comment";
 	public static final String CONFIG_DATABASE = "umbrella.modules.bookmark.database";
-	public static final String HASH = "hash";
 	public static final String SAVE = "save";
 	public static final String TABLE_URLS = "urls";
 	public static final String TABLE_URL_COMMENTS = "url_comments";

bookmark/src/main/java/de/srsoftware/umbrella/bookmarks/SqliteDb.java

@@ -1,18 +1,26 @@
 /* © SRSoftware 2025 */
 package de.srsoftware.umbrella.bookmarks;
 
-import static de.srsoftware.tools.jdbc.Query.insertInto;
-import static de.srsoftware.tools.jdbc.Query.replaceInto;
+import static de.srsoftware.tools.jdbc.Query.*;
+import static de.srsoftware.tools.jdbc.Query.SelectQuery.ALL;
 import static de.srsoftware.umbrella.bookmarks.Constants.*;
 import static de.srsoftware.umbrella.core.Constants.*;
 import static de.srsoftware.umbrella.core.Constants.ERROR_FAILED_CREATE_TABLE;
 import static de.srsoftware.umbrella.core.Util.sha1;
 import static java.lang.System.Logger.Level.ERROR;
+import static java.text.MessageFormat.format;
+import static java.time.ZoneOffset.UTC;
 
+import de.srsoftware.tools.jdbc.Condition;
 import de.srsoftware.umbrella.core.BaseDb;
 import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
+import de.srsoftware.umbrella.core.model.Bookmark;
+import de.srsoftware.umbrella.core.model.Hash;
 import java.sql.Connection;
 import java.sql.SQLException;
+import java.time.LocalDateTime;
+import java.util.HashMap;
+import java.util.Map;
 
 public class SqliteDb extends BaseDb implements BookmarkDb {
 	public SqliteDb(Connection conn) {
@@ -32,14 +40,15 @@ public class SqliteDb extends BaseDb implements BookmarkDb {
 
 	private void createUrlCommentsTable() {
 		var sql = """
-CREATE TABLE IF NOT EXISTS "url_comments" (
-	`hash` VARCHAR ( 255 ) NOT NULL,
-	`user_id` LONG NOT NULL,
-	`comment` TEXT NOT NULL,
-	PRIMARY KEY (`hash`,`user_id`)
+CREATE TABLE IF NOT EXISTS {0} (
+	`{1}` VARCHAR ( 255 ) NOT NULL,
+	`{2}` LONG NOT NULL,
+	`{3}` TEXT NOT NULL,
+	`{4}` DATETIME NOT NULL,
+	PRIMARY KEY (`{1}`,`{2}`)
 )""";
 		try {
-			var stmt = db.prepareStatement(sql);
+			var stmt = db.prepareStatement(format(sql,TABLE_URL_COMMENTS,HASH,USER_ID,COMMENT,TIMESTAMP));
 			stmt.execute();
 			stmt.close();
 		} catch (SQLException e) {
@@ -61,15 +70,33 @@ CREATE TABLE IF NOT EXISTS "url_comments" (
 	}
 
 	@Override
-	public String save(String url, String comment, long userId) {
+	public Map<Hash, Bookmark> list(long userId) {
+
+		try {
+			var map = new HashMap<Hash,Bookmark>();
+			var rs = select(ALL).from(TABLE_URL_COMMENTS).leftJoin(HASH,TABLE_URLS,HASH).where(USER_ID, Condition.equal(userId)).exec(db);
+			while (rs.next()){
+				var bookmark = Bookmark.of(rs);
+				map.put(bookmark.hash(),bookmark);
+			}
+			rs.close();;
+			return map;
+		} catch (SQLException e) {
+			throw new UmbrellaException("Failed to load bookmark list");
+		}
+	}
+
+	@Override
+	public Bookmark save(String url, String comment, long userId) {
 		var hash = sha1(url);
 		try {
+			var timestamp = LocalDateTime.now();
 			replaceInto(TABLE_URLS,HASH,URL)
 					.values(hash,url).execute(db).close();
-			replaceInto(TABLE_URL_COMMENTS,HASH,USER_ID,COMMENT)
-					.values(hash,userId,comment)
+			replaceInto(TABLE_URL_COMMENTS,HASH,USER_ID,COMMENT, TIMESTAMP)
+					.values(hash,userId,comment,timestamp.toEpochSecond(UTC))
 					.execute(db).close();
-			return hash;
+			return Bookmark.of(url,comment,timestamp);
 		} catch (SQLException e) {
 			throw new UmbrellaException("Failed to store url");
 		}

core/src/main/java/de/srsoftware/umbrella/core/Constants.java

@@ -17,6 +17,7 @@ public class Constants {
 	public static final String BODY = "body";
 
 	public static final String CODE = "code";
+	public static final String COMMENT = "comment";
 	public static final String COMPANY = "company";
 	public static final String COMPANY_ID = "company_id";
 	public static final String CONTENT_TYPE     = "Content-Type";
@@ -57,6 +58,8 @@ public class Constants {
 
 	public static final String GET	          = "GET";
 
+	public static final String HASH = "hash";
+
 	public static final String ID = "id";
 
 	public static final String JSONARRAY = "json array";
@@ -112,6 +115,7 @@ public class Constants {
 	public static final String TITLE = "title";
 	public static final String TIMESTAMP = "timestamp";
 	public static final String TOKEN = "token";
+	public static final String TYPE = "type";
 
 	public static final String UMBRELLA = "Umbrella";
 	public static final String URL = "url";

core/src/main/java/de/srsoftware/umbrella/core/Util.java

@@ -13,6 +13,7 @@ import com.xrbpowered.jparsedown.JParsedown;
 import de.srsoftware.tools.Mappable;
 import de.srsoftware.tools.Query;
 import de.srsoftware.umbrella.core.exceptions.UmbrellaException;
+import de.srsoftware.umbrella.core.model.Hash;
 import java.io.*;
 import java.net.HttpURLConnection;
 import java.net.URI;
@@ -32,11 +33,12 @@ public class Util {
 	private static final Pattern UML_PATTERN = Pattern.compile("@start(\\w+)(.*)@end(\\1)",Pattern.DOTALL);
 	private static File plantumlJar = null;
 	private static final JParsedown MARKDOWN = new JParsedown();
-	private static final MessageDigest SHA1;
+	public static final String SHA1 = "SHA-1";
+	private static final MessageDigest SHA1_DIGEST;
 
 	static {
 		try {
-			SHA1 = MessageDigest.getInstance("SHA-1");
+			SHA1_DIGEST = MessageDigest.getInstance(SHA1);
 		} catch (NoSuchAlgorithmException e) {
 			throw new RuntimeException(e);
 		}
@@ -54,8 +56,8 @@ public class Util {
 		};
 	}
 
-	public static Map<Long,Map<String,Object>> mapValues(Map<Long, ? extends Mappable> map){
-		var result = new HashMap<Long,Map<String,Object>>();
+	public static <KEY> Map<KEY,Map<String,Object>> mapValues(Map<KEY, ? extends Mappable> map){
+		var result = new HashMap<KEY,Map<String,Object>>();
 		for (var entry : map.entrySet()) result.put(entry.getKey(),entry.getValue().toMap());
 		return result;
 	}
@@ -167,9 +169,9 @@ public class Util {
 		}
 	}
 
-	public static String sha1(String plain){
-		var bytes = SHA1.digest(plain.getBytes(UTF_8));
-		return hex(bytes);
+	public static Hash sha1(String plain){
+		var bytes = SHA1_DIGEST.digest(plain.getBytes(UTF_8));
+		return new Hash(hex(bytes),SHA1);
 	}
 
 	public static void setPlantUmlJar(File file){

core/src/main/java/de/srsoftware/umbrella/core/model/Bookmark.java

@@ -0,0 +1,37 @@
+/* © SRSoftware 2025 */
+package de.srsoftware.umbrella.core.model;
+
+import static de.srsoftware.umbrella.core.Constants.*;
+import static de.srsoftware.umbrella.core.Util.SHA1;
+import static de.srsoftware.umbrella.core.Util.sha1;
+import static java.time.ZoneOffset.UTC;
+
+import de.srsoftware.tools.Mappable;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Map;
+
+public record Bookmark(String url, Hash hash, String comment, LocalDateTime timestamp, Collection<String> tags) implements Mappable {
+
+	public static Bookmark of(ResultSet rs) throws SQLException {
+		return new Bookmark(rs.getString(URL),new Hash(rs.getString(HASH),SHA1),rs.getString(COMMENT),LocalDateTime.ofEpochSecond(rs.getLong(TIMESTAMP),0, UTC),new ArrayList<>());
+	}
+
+	public static Bookmark of(String url, String comment, LocalDateTime timestamp){
+		return new Bookmark(url,sha1(url),comment,timestamp,new ArrayList<>());
+	}
+
+	@Override
+	public Map<String, Object> toMap() {
+		return Map.of(
+				URL, url,
+				COMMENT, comment,
+				HASH, Map.of(VALUE,hash.value(),TYPE,hash.type()),
+				TAGS, tags,
+				TIMESTAMP, timestamp.withNano(0)
+		);
+	}
+}

core/src/main/java/de/srsoftware/umbrella/core/model/Hash.java

@@ -0,0 +1,22 @@
+/* © SRSoftware 2025 */
+package de.srsoftware.umbrella.core.model;
+
+import java.util.Objects;
+
+public record Hash(String value, String type){
+	@Override
+	public boolean equals(Object o) {
+		if (!(o instanceof Hash(String v, String t))) return false;
+		return Objects.equals(type, t) && Objects.equals(value, v);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(value, type);
+	}
+
+	@Override
+	public String toString() {
+		return value;
+	}
+}

frontend/src/routes/bookmark/Index.svelte

@@ -1,12 +1,31 @@
 <script>
-    import { api } from '../../urls.svelte.js';
-    import { t }   from '../../translations.svelte.js';
+    import { onMount } from 'svelte';
 
-    import Editor from '../../Components/MarkdownEditor.svelte';
+    import { api }     from '../../urls.svelte.js';
+    import { t }       from '../../translations.svelte.js';
 
-    let comment = $state({source:null,rendered:null});
-    let error   = $state(null);
-    let link    = $state(null);
+    import Editor      from '../../Components/MarkdownEditor.svelte';
+
+    let bookmarks = $state(null);
+    let comment   = $state({source:null,rendered:null});
+    let error     = $state(null);
+    let link      = $state(null);
+
+    async function loadBookmarks(){
+        const url  = api('bookmark/list');
+        const resp = await fetch(url,{credentials:'include'});
+        if (resp.ok){
+            const raw = await resp.json();
+            bookmarks = Object.values(raw)
+                .sort(
+                    (a, b) => new Date(b.timestamp) - new Date(a.timestamp)
+                );
+
+            error = false;
+        } else {
+            error = await resp.html();
+        }
+    }
 
     async function onclick(ev){
         let data    = {
@@ -17,13 +36,17 @@
         const resp = await fetch(url,{
             credentials : 'include',
             method      : 'POST',
-            body       : JSON.stringify(data)
+            body        : JSON.stringify(data)
         });
         if (resp.ok) {
+            const bookmark = await resp.json();
+            bookmarks.unshift(bookmark);
         } else {
             error = await resp.text();
         }
     }
+
+    onMount(loadBookmarks);
 </script>
 
 <fieldset>
@@ -40,4 +63,17 @@
         <Editor simple={true} bind:value={comment} />
     </label>
     <button {onclick}>{t('save')}</button>
+    {#if bookmarks}
+    {#each bookmarks as bookmark}
+    <fieldset class="bookmark">
+        <legend>
+            <a href={bookmark.url} target="_blank" class="url">{bookmark.url}</a>
+        </legend>
+        <legend class="date">
+            {bookmark.timestamp.replace('T',' ')}
+        </legend>
+        {bookmark.comment}
+    </fieldset>
+    {/each}
+    {/if}
 </fieldset>

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

@@ -244,3 +244,14 @@ textarea{
     color: orange;
     border: 0 none;
 }
+
+fieldset.bookmark{
+    position: relative;
+}
+
+fieldset.bookmark legend.date{
+    position: absolute;
+    right: 0;
+    top: -17px;
+    background: black;
+}