owl-blogs/infra/site_config_repository.go

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2023-07-16 19:08:25 +00:00
package infra
import (
"encoding/json"
"owl-blogs/app/repository"
"owl-blogs/domain/model"
"github.com/jmoiron/sqlx"
)
type DefaultSiteConfigRepo struct {
db *sqlx.DB
}
func NewSiteConfigRepo(db Database) repository.SiteConfigRepository {
sqlxdb := db.Get()
sqlxdb.MustExec(`
CREATE TABLE IF NOT EXISTS site_config (
config TEXT
);
`)
return &DefaultSiteConfigRepo{
db: sqlxdb,
}
}
// Get implements repository.SiteConfigRepository.
func (r *DefaultSiteConfigRepo) Get() (model.SiteConfig, error) {
data := []byte{}
err := r.db.Get(&data, "SELECT config FROM site_config LIMIT 1")
if err != nil {
if err.Error() == "sql: no rows in result set" {
return model.SiteConfig{}, nil
}
return model.SiteConfig{}, err
}
if len(data) == 0 {
return model.SiteConfig{}, nil
}
config := model.SiteConfig{}
err = json.Unmarshal(data, &config)
return config, err
}
// Update implements repository.SiteConfigRepository.
func (r *DefaultSiteConfigRepo) Update(siteConfig model.SiteConfig) error {
jsonData, err := json.Marshal(siteConfig)
if err != nil {
return err
}
res, err := r.db.Exec("UPDATE site_config SET config = ?", jsonData)
if err != nil {
return err
}
rows, err := res.RowsAffected()
if rows == 0 {
_, err = r.db.Exec("INSERT INTO site_config (config) VALUES (?)", jsonData)
}
return err
}