27 changed files with 1426 additions and 19 deletions
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/* © SRSoftware 2025 */ |
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package de.srsoftware.umbrella.core.api; |
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public interface TagService { |
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} |
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description = "Umbrella : Tags" |
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dependencies{ |
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implementation(project(":core")) |
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} |
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/* © SRSoftware 2025 */ |
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package de.srsoftware.umbrella.tags; |
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public class Constants { |
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private Constants(){} |
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public static final String CONFIG_DATABASE = "umbrella.modules.tags.database"; |
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public static final String DB_VERSION = "project_db_version"; |
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public static final String MODULE = "module"; |
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public static final String TABLE_TAGS = "tags"; |
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public static final String TAG = "tag"; |
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} |
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/* © SRSoftware 2025 */ |
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package de.srsoftware.umbrella.tags; |
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import static de.srsoftware.tools.jdbc.Condition.equal; |
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import static de.srsoftware.tools.jdbc.Query.*; |
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import static de.srsoftware.tools.jdbc.Query.SelectQuery.ALL; |
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import static de.srsoftware.umbrella.core.Constants.*; |
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import static de.srsoftware.umbrella.core.Constants.ERROR_FAILED_CREATE_TABLE; |
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import static de.srsoftware.umbrella.core.Constants.USER_ID; |
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import static de.srsoftware.umbrella.tags.Constants.*; |
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import static java.lang.System.Logger.Level.ERROR; |
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import static java.lang.System.Logger.Level.INFO; |
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import static java.text.MessageFormat.format; |
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import de.srsoftware.tools.jdbc.Query; |
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import de.srsoftware.umbrella.core.exceptions.UmbrellaException; |
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import java.sql.Connection; |
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import java.sql.SQLException; |
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import java.util.Collection; |
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import java.util.HashSet; |
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import java.util.Set; |
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public class SqliteDb implements TagDB{ |
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private static final int INITIAL_DB_VERSION = 1; |
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private static final System.Logger LOG = System.getLogger("TagDB"); |
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private final Connection db; |
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public SqliteDb(Connection conn) { |
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this.db = conn; |
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init(); |
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} |
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private int createTables() { |
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createTagTables(); |
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return createSettingsTable(); |
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} |
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private int createSettingsTable() { |
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var createTable = """ |
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CREATE TABLE IF NOT EXISTS {0} ( {1} VARCHAR(255) PRIMARY KEY, {2} VARCHAR(255) NOT NULL); |
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"""; |
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try { |
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var stmt = db.prepareStatement(format(createTable,TABLE_SETTINGS, KEY, VALUE)); |
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stmt.execute(); |
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stmt.close(); |
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} catch (SQLException e) { |
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LOG.log(ERROR,ERROR_FAILED_CREATE_TABLE,TABLE_SETTINGS,e); |
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throw new RuntimeException(e); |
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} |
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Integer version = null; |
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try { |
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var rs = select(VALUE).from(TABLE_SETTINGS).where(KEY, equal(DB_VERSION)).exec(db); |
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if (rs.next()) version = rs.getInt(VALUE); |
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rs.close(); |
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if (version == null) { |
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version = INITIAL_DB_VERSION; |
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insertInto(TABLE_SETTINGS, KEY, VALUE).values(DB_VERSION,version).execute(db).close(); |
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} |
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return version; |
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} catch (SQLException e) { |
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LOG.log(ERROR,ERROR_READ_TABLE,DB_VERSION,TABLE_SETTINGS,e); |
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throw new RuntimeException(e); |
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} |
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} |
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private void createTagTables() { |
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var createTable = """ |
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CREATE TABLE IF NOT EXISTS "{0}" ( |
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{1} VARCHAR(255) NOT NULL, |
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{2} VARCHAR(20) NOT NULL, |
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{3} INTEGER NOT NULL, |
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{4} INTEGER NOT NULL, |
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PRIMARY KEY ({1}, {2}, {3}, {4}) |
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)"""; |
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try { |
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var stmt = db.prepareStatement(format(createTable,TABLE_TAGS, TAG, MODULE, ID, USER_ID)); |
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stmt.execute(); |
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stmt.close(); |
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} catch (SQLException e) { |
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LOG.log(ERROR,ERROR_FAILED_CREATE_TABLE,TABLE_TAGS,e); |
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throw new RuntimeException(e); |
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} |
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} |
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@Override |
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public String delete(long userId, String module, long entityId, String tag) { |
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try { |
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Query.delete().from(TABLE_TAGS) |
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.where(TAG,equal(tag)).where(MODULE,equal(module)).where(ID,equal(entityId)).where(USER_ID,equal(userId)) |
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.execute(db); |
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return tag; |
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} catch (SQLException e){ |
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throw new UmbrellaException("Failed to save tag {0}",tag); |
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} |
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} |
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private void init(){ |
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var version = createTables(); |
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LOG.log(INFO,"Updated task db to version {0}",version); |
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} |
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@Override |
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public Set<String> list(long userId, String module, long entityId) { |
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try { |
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var tags = new HashSet<String>(); |
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var rs = select(TAG).from(TABLE_TAGS).where(MODULE,equal(module)).where(ID,equal(entityId)).where(USER_ID,equal(userId)).exec(db); |
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while (rs.next()) tags.add(rs.getString(1)); |
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rs.close(); |
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return tags; |
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} catch (SQLException e) { |
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throw new UmbrellaException("Failed to load tags"); |
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} |
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} |
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@Override |
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public String save(Collection<Long> userIds, String module, long entityId, String tag) { |
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try { |
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var query = replaceInto(TABLE_TAGS,USER_ID,MODULE,ID,TAG); |
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for (var userId : userIds) query.values(userId,module,entityId,tag); |
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query.execute(db).close(); |
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return tag; |
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} catch (SQLException e){ |
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throw new UmbrellaException("Failed to save tag {0}",tag); |
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} |
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} |
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} |
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/* © SRSoftware 2025 */ |
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package de.srsoftware.umbrella.tags; |
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import java.util.Collection; |
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import java.util.Set; |
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public interface TagDB { |
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Object delete(long userId, String module, long entityId, String tag); |
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Set<String> list(long id, String module, long entityId); |
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String save(Collection<Long> userIds, String module, long entityId, String tag); |
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} |
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/* © SRSoftware 2025 */ |
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package de.srsoftware.umbrella.tags; |
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import static de.srsoftware.umbrella.core.ConnectionProvider.connect; |
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import static de.srsoftware.umbrella.core.Constants.*; |
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import static de.srsoftware.umbrella.core.ResponseCode.HTTP_UNPROCESSABLE; |
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import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.missingFieldException; |
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import static de.srsoftware.umbrella.core.exceptions.UmbrellaException.unprocessable; |
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import static de.srsoftware.umbrella.tags.Constants.CONFIG_DATABASE; |
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import static de.srsoftware.umbrella.tags.Constants.TAG; |
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import static java.net.HttpURLConnection.HTTP_OK; |
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import com.sun.net.httpserver.HttpExchange; |
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import de.srsoftware.configuration.Configuration; |
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import de.srsoftware.tools.Path; |
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import de.srsoftware.tools.SessionToken; |
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import de.srsoftware.umbrella.core.BaseHandler; |
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import de.srsoftware.umbrella.core.api.TagService; |
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import de.srsoftware.umbrella.core.api.UserService; |
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import de.srsoftware.umbrella.core.exceptions.UmbrellaException; |
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import de.srsoftware.umbrella.core.model.Token; |
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import org.json.JSONArray; |
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import java.io.IOException; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Optional; |
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public class TagModule extends BaseHandler implements TagService { |
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private final SqliteDb tagDb; |
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private final UserService users; |
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public TagModule(Configuration config, UserService userService) { |
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var dbFile = config.get(CONFIG_DATABASE).orElseThrow(() -> missingFieldException(CONFIG_DATABASE)); |
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tagDb = new SqliteDb(connect(dbFile)); |
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users = userService; |
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} |
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@Override |
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public boolean doDelete(Path path, HttpExchange ex) throws IOException { |
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addCors(ex); |
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try { |
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Optional<Token> token = SessionToken.from(ex).map(Token::of); |
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var user = users.loadUser(token); |
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if (user.isEmpty()) return unauthorized(ex); |
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var module = path.pop(); |
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if (module == null) throw unprocessable("Module missing in path."); |
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var head = path.pop(); |
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long entityId = Long.parseLong(head); |
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var tag = tagDb.delete(user.get().id(),module,entityId,body(ex)); |
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return sendContent(ex, tag); |
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} catch (NumberFormatException e){ |
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return sendContent(ex,HTTP_UNPROCESSABLE,"Entity id missing in path."); |
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} catch (UmbrellaException e){ |
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return send(ex,e); |
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} |
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} |
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@Override |
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public boolean doGet(Path path, HttpExchange ex) throws IOException { |
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addCors(ex); |
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try { |
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Optional<Token> token = SessionToken.from(ex).map(Token::of); |
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var user = users.loadUser(token); |
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if (user.isEmpty()) return unauthorized(ex); |
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var module = path.pop(); |
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if (module == null) throw unprocessable("Module missing in path."); |
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var head = path.pop(); |
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long entityId = Long.parseLong(head); |
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var tags = tagDb.list(user.get().id(),module,entityId); |
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return sendContent(ex, tags); |
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} catch (NumberFormatException e){ |
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return sendContent(ex,HTTP_UNPROCESSABLE,"Entity id missing in path."); |
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} catch (UmbrellaException e){ |
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return send(ex,e); |
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} |
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} |
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@Override |
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public boolean doOptions(Path path, HttpExchange ex) throws IOException { |
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addCors(ex); |
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return sendEmptyResponse(HTTP_OK,ex); |
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} |
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@Override |
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public boolean doPost(Path path, HttpExchange ex) throws IOException { |
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addCors(ex); |
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try { |
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Optional<Token> token = SessionToken.from(ex).map(Token::of); |
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var user = users.loadUser(token); |
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if (user.isEmpty()) return unauthorized(ex); |
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var module = path.pop(); |
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if (module == null) throw unprocessable("Module missing in path."); |
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var head = path.pop(); |
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long entityId = Long.parseLong(head); |
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var json = json(ex); |
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if (!(json.has(TAG) && json.get(TAG) instanceof String tag)) throw missingFieldException(TAG); |
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List<Long> userList = json.has(USER_LIST) && json.get(USER_LIST) instanceof JSONArray arr ? |
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arr.toList().stream().filter(elem -> elem instanceof Number).map(elem -> (Number) elem).map(Number::longValue).toList() |
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: List.of(user.get().id()); |
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if (userList.isEmpty()) throw missingFieldException(USER_LIST); |
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tag = tagDb.save(userList, module, entityId, tag); |
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return sendContent(ex, tag); |
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} catch (NumberFormatException e) { |
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return sendContent(ex, HTTP_UNPROCESSABLE, "Entity id missing in path."); |
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} catch (UmbrellaException e) { |
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return send(ex, e); |
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} |
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} |
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} |
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