feat(database): add gearTxt field to parsed results and update related functions

internal/model/database.go

@@ -87,9 +87,17 @@ func (d *Database) initTables() error {
 		updated_at INTEGER NOT NULL
 	);`
 
+	optimizerPreferencesTable := `
+	CREATE TABLE IF NOT EXISTS optimizer_preferences (
+		hero_id TEXT PRIMARY KEY,
+		options_json TEXT NOT NULL,
+		updated_at INTEGER NOT NULL
+	);`
+
 	tables := []string{
 		parsedDataTable,
 		settingsTable,
+		optimizerPreferencesTable,
 	}
 
 	for _, table := range tables {
@@ -221,6 +229,9 @@ func (d *Database) GetSetting(key string) (string, error) {
 	var value string
 	err := d.db.QueryRow(stmt, key).Scan(&value)
 	if err != nil {
+		if err == sql.ErrNoRows {
+			return "", nil
+		}
 		return "", err
 	}
 	return value, nil
@@ -246,3 +257,26 @@ func (d *Database) GetAllSettings() (map[string]string, error) {
 
 	return settings, nil
 }
+
+// SaveOptimizerPreference saves the latest optimizer options for a hero.
+func (d *Database) SaveOptimizerPreference(heroID string, optionsJSON string) error {
+	stmt := `
+	INSERT OR REPLACE INTO optimizer_preferences (hero_id, options_json, updated_at)
+	VALUES (?, ?, ?)`
+	_, err := d.db.Exec(stmt, heroID, optionsJSON, time.Now().Unix())
+	return err
+}
+
+// GetOptimizerPreference returns saved optimizer options for a hero.
+func (d *Database) GetOptimizerPreference(heroID string) (string, error) {
+	stmt := "SELECT options_json FROM optimizer_preferences WHERE hero_id = ?"
+	var optionsJSON string
+	err := d.db.QueryRow(stmt, heroID).Scan(&optionsJSON)
+	if err != nil {
+		if err == sql.ErrNoRows {
+			return "", nil
+		}
+		return "", err
+	}
+	return optionsJSON, nil
+}