feat(server/logger): add Entries() and EntriesByParticipantId() methods

server/logger/logger.go

@@ -221,6 +221,57 @@ func (log *Logger) Log(entry LogEntry) error {
 	return err
 }
 
+// Implement a streaming iterator for log entries
+// This will allow us to iterate through the log entries without loading all of them into memory
+// This is useful for large logs
+type LogEntryIterator struct {
+	rows *sql.Rows
+}
+
+func (it *LogEntryIterator) Next() bool {
+	res := it.rows.Next()
+	if !res {
+		it.rows.Close()
+	}
+	return res
+}
+
+func (it *LogEntryIterator) Value() (LogEntry, error) {
+	var entry LogEntry
+	if err := it.rows.Scan(&entry.ParticipantId, &entry.ExecutedCommand, &entry.ErrorCode, &entry.ErrorMessage, &entry.GeneratedOutput, &entry.FilePath, &entry.CreatedAt); err != nil {
+		return LogEntry{}, err
+	}
+	return entry, nil
+}
+
+func (it *LogEntryIterator) List() ([]LogEntry, error) {
+	var entries []LogEntry
+	for it.Next() {
+		entry, err := it.Value()
+		if err != nil {
+			return nil, err
+		}
+		entries = append(entries, entry)
+	}
+	return entries, nil
+}
+
+func (log *Logger) Entries() (*LogEntryIterator, error) {
+	rows, err := log.db.Query("SELECT participant_id, executed_command, error_code, error_message, generated_output, file_path, created_at FROM logs")
+	if err != nil {
+		return nil, err
+	}
+	return &LogEntryIterator{rows: rows}, nil
+}
+
+func (log *Logger) EntriesByParticipantId(participantId string) (*LogEntryIterator, error) {
+	rows, err := log.db.Query("SELECT participant_id, executed_command, error_code, error_message, generated_output, file_path, created_at FROM logs WHERE participant_id = ?", participantId)
+	if err != nil {
+		return nil, err
+	}
+	return &LogEntryIterator{rows: rows}, nil
+}
+
 func (log *Logger) Reset() error {
 	// delete logs
 	if _, err := log.db.Exec("DELETE FROM logs WHERE participant_id = ?", log.ParticipantId()); err != nil {

server/logger/logger_test.go

@@ -35,6 +35,104 @@ func TestLogger_Log(t *testing.T) {
 	}
 }
 
+func TestLogger_Entries(t *testing.T) {
+	// Create a temporary database file for testing
+	dbPath := "test.db"
+	defer os.Remove(dbPath)
+
+	// Create a new logger
+	log, err := logger.NewMemoryLogger()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer log.Close()
+
+	// Add multiple logs
+	for i := 0; i < 5; i++ {
+		params := logger.LogEntry{
+			ExecutedCommand: "go test",
+			ErrorCode:       1,
+			ErrorMessage:    "Test failed",
+			GeneratedOutput: "Some output",
+			FilePath:        fmt.Sprintf("/path/to/file%d.go", i),
+		}
+
+		err = log.Log(params)
+		if err != nil {
+			t.Fatal(err)
+		}
+	}
+
+	// Test Entries
+	entriesIter, err := log.Entries()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	entries, err := entriesIter.List()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Compare the retrieved entries with the original entries
+	if len(entries) != 5 {
+		t.Errorf("expected 5 entries, got %d", len(entries))
+	}
+}
+
+func TestLogger_EntriesByParticipantId(t *testing.T) {
+	// Create a temporary database file for testing
+	dbPath := "test.db"
+	defer os.Remove(dbPath)
+
+	// Create a new logger
+	log, err := logger.NewMemoryLogger()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer log.Close()
+
+	// Add multiple logs (first loop is the participant id and the second loop is the log entry)
+	participantIds := []string{
+		log.ParticipantId(),
+		"participant2",
+	}
+
+	for _, participantId := range participantIds {
+		for i := 0; i < 5; i++ {
+			params := logger.LogEntry{
+				ParticipantId:   participantId,
+				ExecutedCommand: "go test",
+				ErrorCode:       1,
+				ErrorMessage:    "Test failed",
+				GeneratedOutput: "Some output",
+				FilePath:        fmt.Sprintf("/path/to/file%d.go", i),
+			}
+
+			err = log.Log(params)
+			if err != nil {
+				t.Fatal(err)
+			}
+		}
+	}
+
+	// Test EntriesByParticipantId
+	entriesIter, err := log.EntriesByParticipantId(log.ParticipantId())
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	entries, err := entriesIter.List()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Compare the retrieved entries with the original entries
+	if len(entries) != 5 {
+		t.Errorf("expected 5 entries, got %d", len(entries))
+	}
+}
+
 func TestLogger_AddSetting(t *testing.T) {
 	// Create a temporary database file for testing
 	dbPath := "test.db"