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Searching system in messages and update status and last seen for users

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This commit is contained in:
Partow
2025-06-09 14:50:35 +03:30
parent 8b6c4fea97
commit be9cde5c6b
6 changed files with 251 additions and 21 deletions
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src/main/java/org/to/telegramfinalproject/Database/MessageDatabase.java
+119
View File
@@ -7,6 +7,7 @@ import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import java.util.stream.Collectors;
public class MessageDatabase {
@@ -132,4 +133,122 @@ public class MessageDatabase {
return null;
}
public static Message extractMessage(ResultSet rs) throws SQLException {
return new Message(
UUID.fromString(rs.getString("message_id")),
UUID.fromString(rs.getString("sender_id")),
rs.getString("receiver_type"),
UUID.fromString(rs.getString("receiver_id")),
rs.getString("content"),
rs.getString("message_type"),
rs.getString("file_url"),
rs.getTimestamp("send_at").toLocalDateTime(),
rs.getString("status"),
(UUID) rs.getObject("reply_to_id"),
rs.getBoolean("is_edited"),
(UUID) rs.getObject("original_message_id"),
(UUID) rs.getObject("forwarded_by"),
(UUID) rs.getObject("forwarded_from")
);
}
public static List<Message> searchMessagesForUser(UUID userId, String keyword) {
List<Message> result = new ArrayList<>();
String sql = """
SELECT * FROM messages
WHERE receiver_type = 'private'
AND (sender_id = ? OR receiver_id = ?)
AND content ILIKE ?
ORDER BY send_at DESC
""";
try (Connection conn = ConnectionDb.connect();
PreparedStatement stmt = conn.prepareStatement(sql)) {
stmt.setObject(1, userId);
stmt.setObject(2, userId);
stmt.setString(3, "%" + keyword + "%");
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
result.add(extractMessage(rs));
}
} catch (SQLException e) {
e.printStackTrace();
}
return result;
}
public static List<Message> searchMessagesInGroups(List<UUID> groupIds, String keyword) {
List<Message> result = new ArrayList<>();
if (groupIds.isEmpty()) return result;
String placeholders = groupIds.stream().map(id -> "?").collect(Collectors.joining(", "));
String sql = """
SELECT * FROM messages
WHERE receiver_type = 'group'
AND receiver_id IN (%s)
AND content ILIKE ?
ORDER BY send_at DESC
""".formatted(placeholders);
try (Connection conn = ConnectionDb.connect();
PreparedStatement stmt = conn.prepareStatement(sql)) {
int i = 1;
for (UUID id : groupIds) {
stmt.setObject(i++, id);
}
stmt.setString(i, "%" + keyword + "%");
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
result.add(extractMessage(rs));
}
} catch (SQLException e) {
e.printStackTrace();
}
return result;
}
public static List<Message> searchMessagesInChannels(List<UUID> channelIds, String keyword) {
List<Message> result = new ArrayList<>();
if (channelIds.isEmpty()) return result;
String placeholders = channelIds.stream().map(id -> "?").collect(Collectors.joining(", "));
String sql = """
SELECT * FROM messages
WHERE receiver_type = 'channel'
AND receiver_id IN (%s)
AND content ILIKE ?
ORDER BY send_at DESC
""".formatted(placeholders);
try (Connection conn = ConnectionDb.connect();
PreparedStatement stmt = conn.prepareStatement(sql)) {
int i = 1;
for (UUID id : channelIds) {
stmt.setObject(i++, id);
}
stmt.setString(i, "%" + keyword + "%");
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
result.add(extractMessage(rs));
}
} catch (SQLException e) {
e.printStackTrace();
}
return result;
}
}
src/main/java/org/to/telegramfinalproject/Database/userDatabase.java
+25 -3
View File
@@ -208,12 +208,14 @@ public class userDatabase {
PreparedStatement stmt = conn.prepareStatement(sql)) {
stmt.setString(1, status);
stmt.setObject(2, uuid);
stmt.executeUpdate();
int rows = stmt.executeUpdate();
System.out.println("🔁 updateUserStatus: set '" + status + "' for " + uuid + " → affected rows = " + rows);
} catch (SQLException e) {
e.printStackTrace();
}
}
public static void updateLastSeen(UUID uuid) {
String sql = "UPDATE users SET last_seen = CURRENT_TIMESTAMP WHERE internal_uuid = ?";
try (Connection conn = ConnectionDb.connect();
@@ -263,14 +265,21 @@ public class userDatabase {
return null;
}
public List<User> searchUsers(String keyword, UUID currentUserId) {
String query = """
SELECT * FROM users
WHERE (user_id ILIKE ? OR profile_name ILIKE ?)
AND internal_uuid <> ?
""";
public List<User> searchUsers(String keyword) {
String query = "SELECT * FROM users WHERE user_id ILIKE ? OR profile_name ILIKE ?"; //(ILIKE) case_insensitive
List<User> result = new ArrayList<>();
try (Connection conn = getConnection();
PreparedStatement stmt = conn.prepareStatement(query)) {
stmt.setString(1, "%" + keyword + "%");
stmt.setString(2, "%" + keyword + "%");
stmt.setObject(3, currentUserId);
ResultSet rs = stmt.executeQuery();
while (rs.next()) {
result.add(extractUser(rs));
@@ -282,5 +291,18 @@ public class userDatabase {
}
public static void setAllUsersOffline() {
String sql = "UPDATE users SET status = 'offline'";
try (Connection conn = ConnectionDb.connect();
PreparedStatement stmt = conn.prepareStatement(sql)) {
int affected = stmt.executeUpdate();
System.out.println("🔁 All users set to offline. Rows affected: " + affected);
} catch (SQLException e) {
e.printStackTrace();
}
}
}