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repo.go
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repo.go
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package sqlite
import (
"database/sql"
"encoding/json"
"github.com/col3name/tts/pkg/model"
_ "github.com/mattn/go-sqlite3"
)
type SettingRepoImpl struct {
db *sql.DB
}
func NewSettingRepoImpl(db *sql.DB) (*SettingRepoImpl, error) {
_, err := db.Exec(getCreateSettingTableSQL())
if err != nil {
return nil, err
}
return &SettingRepoImpl{db: db}, nil
}
func getCreateSettingTableSQL() string {
return "CREATE TABLE IF NOT EXISTS settings\n(\n id SERIAL NOT NULL PRIMARY KEY,\n data jsonb\n);"
}
func (r *SettingRepoImpl) GetSettings() (*model.SettingDB, error) {
row, err := r.db.Query(r.getSettingSQL())
if err != nil {
return nil, err
}
defer row.Close()
if row.Err() != nil {
return nil, err
}
if !row.Next() {
return nil, err
}
var value string
err = row.Scan(&value)
if err != nil {
return nil, err
}
return r.unmarshallSetting(value)
}
func (r *SettingRepoImpl) getSettingSQL() string {
return "SELECT data FROM settings WHERE id = 1;"
}
func (r *SettingRepoImpl) SaveSettings(settings *model.SettingDB) error {
data, err := r.marshalSetting(settings)
if err != nil {
return err
}
_, err = r.db.Exec(r.getSaveSettingSQL(), data)
return err
}
func (r *SettingRepoImpl) getSaveSettingSQL() string {
return `INSERT OR REPLACE INTO settings (id, data) VALUES (1, $1);`
}
func (r *SettingRepoImpl) unmarshallSetting(value string) (*model.SettingDB, error) {
var result model.SettingDB
err := json.Unmarshal([]byte(value), &result)
if err != nil {
return nil, err
}
return &result, nil
}
func (r *SettingRepoImpl) marshalSetting(settings *model.SettingDB) (string, error) {
data, err := json.Marshal(*settings)
if err != nil {
return "", err
}
return string(data), nil
}