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|
package model
import (
"database/sql"
"embed"
"log"
"path/filepath"
_ "github.com/mattn/go-sqlite3"
)
var db *sql.DB
//go:embed sql/*.sql
var sqlCode embed.FS
func GetSql(code string) (string, error) {
query, err := sqlCode.ReadFile("sql/" + code + ".sql")
if err != nil {
return "", err
}
return string(query), nil
}
func InitDatabase(storage string) {
var err error
fn := filepath.Join(storage, "ceres.sqlite3")
db, err = sql.Open("sqlite3", fn)
if err != nil {
log.Fatal(err)
}
err = db.Ping()
if err != nil {
log.Fatal(err)
}
// FIXME roll back migration on error
query, err := GetSql(`migrate`)
if err != nil {
log.Fatal(err)
}
_, err = db.Exec(query)
if err != nil {
log.Fatal(err)
}
}
func InjectTestRecipes() {
recipes := RecipeTestData()
tx, err := NewTx()
if err != nil {
log.Fatalf("Failed to inject test recipes: %v\n", err)
}
for _, recipe := range recipes {
err = recipe.Create(tx)
if err != nil {
Rollback(tx)
log.Fatalf("Failed to inject test recipe: %v\n", err)
}
}
err = tx.Commit()
if err != nil {
log.Fatalf("Failed to inject test recipe: %v\n", err)
}
}
func CloseDatabase() {
var err error = db.Close()
if err != nil {
log.Printf("Failed to close database: %v\n", err)
} else {
log.Println("Closed database")
}
}
func NewTx() (*sql.Tx, error) {
return db.Begin()
}
func Rollback(tx *sql.Tx) {
err := tx.Rollback()
if err != nil {
log.Printf("Failed to rollback transaction: %v\n", err)
}
}
|
