feat: Phase 1 - Core API server with authentication
- Added database schema for users, api_keys, sync_state, change_log, and sync_config - Implemented API key generation and validation with bcrypt hashing - Created Chi-based REST API server with endpoints for: - Task CRUD operations (create, read, update, delete) - Task actions (complete, start, stop) - Tag management (list, add, remove) - Projects listing - Health check endpoint - Added middleware for authentication and CORS - Implemented change log tracking with triggers (key:value format) - Added configurable change log retention (default 30 days) - Created server CLI commands (opal server start, opal server keygen) - Dependencies added: golang.org/x/crypto/bcrypt, github.com/go-chi/chi/v5
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@@ -126,6 +126,137 @@ func runMigrations() error {
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task_uuid TEXT NOT NULL,
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FOREIGN KEY (task_uuid) REFERENCES tasks(uuid) ON DELETE CASCADE
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);
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-- Users table (minimal for now, expandable later)
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CREATE TABLE users (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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username TEXT UNIQUE NOT NULL,
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email TEXT,
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created_at INTEGER NOT NULL
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);
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-- Default shared user for household
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INSERT INTO users (id, username, created_at) VALUES (1, 'shared', unixepoch());
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-- API Keys for authentication
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CREATE TABLE api_keys (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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key TEXT UNIQUE NOT NULL,
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name TEXT NOT NULL,
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user_id INTEGER NOT NULL DEFAULT 1,
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created_at INTEGER NOT NULL,
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last_used INTEGER,
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revoked INTEGER DEFAULT 0,
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FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
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);
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CREATE INDEX idx_api_keys_key ON api_keys(key);
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CREATE INDEX idx_api_keys_user ON api_keys(user_id);
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-- Sync state (per client device)
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CREATE TABLE sync_state (
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client_id TEXT PRIMARY KEY,
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last_sync INTEGER NOT NULL,
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last_change_id INTEGER DEFAULT 0
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);
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-- Change log (key:value format like edit command)
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CREATE TABLE change_log (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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task_uuid TEXT NOT NULL,
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change_type TEXT NOT NULL,
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changed_at INTEGER NOT NULL,
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data TEXT NOT NULL,
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FOREIGN KEY (task_uuid) REFERENCES tasks(uuid) ON DELETE CASCADE
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);
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CREATE INDEX idx_change_log_timestamp ON change_log(changed_at);
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CREATE INDEX idx_change_log_task ON change_log(task_uuid);
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CREATE INDEX idx_change_log_id ON change_log(id);
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-- Sync configuration
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CREATE TABLE sync_config (
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key TEXT PRIMARY KEY,
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value TEXT NOT NULL
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);
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-- Default: keep change log for 30 days
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INSERT INTO sync_config (key, value) VALUES ('change_log_retention_days', '30');
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-- Triggers to populate change_log
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CREATE TRIGGER track_task_create AFTER INSERT ON tasks
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BEGIN
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INSERT INTO change_log (task_uuid, change_type, changed_at, data)
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VALUES (NEW.uuid, 'create', NEW.modified,
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'uuid: ' || NEW.uuid || CHAR(10) ||
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'description: ' || NEW.description || CHAR(10) ||
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'status: ' || CASE NEW.status
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WHEN 80 THEN 'pending'
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WHEN 67 THEN 'completed'
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WHEN 68 THEN 'deleted'
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WHEN 82 THEN 'recurring'
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ELSE 'pending'
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END || CHAR(10) ||
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'priority: ' || CASE NEW.priority
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WHEN 0 THEN 'L'
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WHEN 1 THEN 'D'
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WHEN 2 THEN 'M'
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WHEN 3 THEN 'H'
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ELSE 'D'
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END || CHAR(10) ||
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CASE WHEN NEW.project IS NOT NULL THEN 'project: ' || NEW.project || CHAR(10) ELSE '' END ||
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'created: ' || NEW.created || CHAR(10) ||
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'modified: ' || NEW.modified || CHAR(10) ||
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CASE WHEN NEW.start IS NOT NULL THEN 'start: ' || NEW.start || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.end IS NOT NULL THEN 'end: ' || NEW.end || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.due IS NOT NULL THEN 'due: ' || NEW.due || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.scheduled IS NOT NULL THEN 'scheduled: ' || NEW.scheduled || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.wait IS NOT NULL THEN 'wait: ' || NEW.wait || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.until_date IS NOT NULL THEN 'until: ' || NEW.until_date || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.recurrence_duration IS NOT NULL THEN 'recurrence: ' || NEW.recurrence_duration || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.parent_uuid IS NOT NULL THEN 'parent_uuid: ' || NEW.parent_uuid || CHAR(10) ELSE '' END
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);
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END;
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CREATE TRIGGER track_task_update AFTER UPDATE ON tasks
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BEGIN
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INSERT INTO change_log (task_uuid, change_type, changed_at, data)
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VALUES (NEW.uuid, 'update', NEW.modified,
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'uuid: ' || NEW.uuid || CHAR(10) ||
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'description: ' || NEW.description || CHAR(10) ||
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'status: ' || CASE NEW.status
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WHEN 80 THEN 'pending'
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WHEN 67 THEN 'completed'
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WHEN 68 THEN 'deleted'
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WHEN 82 THEN 'recurring'
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ELSE 'pending'
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END || CHAR(10) ||
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'priority: ' || CASE NEW.priority
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WHEN 0 THEN 'L'
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WHEN 1 THEN 'D'
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WHEN 2 THEN 'M'
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WHEN 3 THEN 'H'
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ELSE 'D'
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END || CHAR(10) ||
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CASE WHEN NEW.project IS NOT NULL THEN 'project: ' || NEW.project || CHAR(10) ELSE '' END ||
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'created: ' || NEW.created || CHAR(10) ||
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'modified: ' || NEW.modified || CHAR(10) ||
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CASE WHEN NEW.start IS NOT NULL THEN 'start: ' || NEW.start || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.end IS NOT NULL THEN 'end: ' || NEW.end || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.due IS NOT NULL THEN 'due: ' || NEW.due || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.scheduled IS NOT NULL THEN 'scheduled: ' || NEW.scheduled || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.wait IS NOT NULL THEN 'wait: ' || NEW.wait || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.until_date IS NOT NULL THEN 'until: ' || NEW.until_date || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.recurrence_duration IS NOT NULL THEN 'recurrence: ' || NEW.recurrence_duration || CHAR(10) ELSE '' END ||
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CASE WHEN NEW.parent_uuid IS NOT NULL THEN 'parent_uuid: ' || NEW.parent_uuid || CHAR(10) ELSE '' END
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);
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END;
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CREATE TRIGGER track_task_delete AFTER DELETE ON tasks
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BEGIN
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INSERT INTO change_log (task_uuid, change_type, changed_at, data)
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VALUES (OLD.uuid, 'delete', unixepoch(), 'uuid: ' || OLD.uuid);
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END;
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`,
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},
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}
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@@ -167,3 +298,66 @@ func runMigrations() error {
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func getCurrentTimestamp() int64 {
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return timeNow().Unix()
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}
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// GetCurrentTimestamp returns the current Unix timestamp (exported for API use)
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func GetCurrentTimestamp() int64 {
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return getCurrentTimestamp()
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}
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// CleanupChangeLog removes old change log entries based on retention policy
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func CleanupChangeLog() error {
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db := GetDB()
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if db == nil {
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return fmt.Errorf("database not initialized")
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}
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// Get retention days from config
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var retentionDays int
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err := db.QueryRow("SELECT value FROM sync_config WHERE key = 'change_log_retention_days'").Scan(&retentionDays)
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if err != nil {
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retentionDays = 30 // Default to 30 days if not found
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}
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// Calculate cutoff timestamp
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cutoffTime := timeNow().AddDate(0, 0, -retentionDays).Unix()
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// Delete old entries
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result, err := db.Exec("DELETE FROM change_log WHERE changed_at < ?", cutoffTime)
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if err != nil {
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return fmt.Errorf("failed to cleanup change log: %w", err)
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}
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rows, _ := result.RowsAffected()
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if rows > 0 {
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fmt.Printf("Cleaned up %d old change log entries\n", rows)
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}
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return nil
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}
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// GetChangeLogRetentionDays returns the configured retention period
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func GetChangeLogRetentionDays() (int, error) {
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db := GetDB()
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if db == nil {
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return 0, fmt.Errorf("database not initialized")
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}
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var days int
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err := db.QueryRow("SELECT value FROM sync_config WHERE key = 'change_log_retention_days'").Scan(&days)
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if err != nil {
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return 30, nil // Default
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}
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return days, nil
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}
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// SetChangeLogRetentionDays sets the retention period
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func SetChangeLogRetentionDays(days int) error {
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db := GetDB()
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if db == nil {
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return fmt.Errorf("database not initialized")
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}
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_, err := db.Exec("INSERT OR REPLACE INTO sync_config (key, value) VALUES ('change_log_retention_days', ?)", days)
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return err
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}
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