Add extra placeholders for Matrix ID room invites notifications

- Sender display name, if available
- Room name, if available

src/main/java/io/kamax/mxisd/backend/sql/SqlProfileProvider.java

@@ -0,0 +1,105 @@
+/*
+ * mxisd - Matrix Identity Server Daemon
+ * Copyright (C) 2018 Kamax Sarl
+ *
+ * https://www.kamax.io/
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package io.kamax.mxisd.backend.sql;
+
+import io.kamax.matrix.ThreePid;
+import io.kamax.matrix._MatrixID;
+import io.kamax.matrix._ThreePid;
+import io.kamax.mxisd.config.sql.SqlConfig;
+import io.kamax.mxisd.profile.ProfileProvider;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Optional;
+
+public abstract class SqlProfileProvider implements ProfileProvider {
+
+    private Logger log = LoggerFactory.getLogger(SqlProfileProvider.class);
+
+    private SqlConfig.Profile cfg;
+
+    private SqlConnectionPool pool;
+
+    public SqlProfileProvider(SqlConfig cfg) {
+        this.cfg = cfg.getProfile();
+        this.pool = new SqlConnectionPool(cfg);
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return cfg.isEnabled();
+    }
+
+    @Override
+    public Optional<String> getDisplayName(_MatrixID user) {
+        String stmtSql = cfg.getDisplayName().getQuery();
+        try (Connection conn = pool.get()) {
+            try (PreparedStatement stmt = conn.prepareStatement(stmtSql)) {
+                stmt.setString(1, user.getId());
+
+                try (ResultSet rSet = stmt.executeQuery()) {
+                    if (!rSet.next()) {
+                        return Optional.empty();
+                    }
+
+                    return Optional.ofNullable(rSet.getString(1));
+                }
+            }
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public List<_ThreePid> getThreepids(_MatrixID user) {
+        List<_ThreePid> threepids = new ArrayList<>();
+
+        String stmtSql = cfg.getThreepid().getQuery();
+        try (Connection conn = pool.get()) {
+            PreparedStatement stmt = conn.prepareStatement(stmtSql);
+            stmt.setString(1, user.getId());
+
+            ResultSet rSet = stmt.executeQuery();
+            while (rSet.next()) {
+                String medium = rSet.getString(1);
+                String address = rSet.getString(2);
+                threepids.add(new ThreePid(medium, address));
+            }
+
+            return threepids;
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public List<String> getRoles(_MatrixID user) {
+        return Collections.emptyList();
+    }
+
+}