79 lines
1.4 KiB
Go
79 lines
1.4 KiB
Go
package data
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import (
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"errors"
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"log"
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"github.com/spf13/viper"
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"gorm.io/driver/sqlite"
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"gorm.io/gorm"
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)
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var db *gorm.DB
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type Membre struct {
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gorm.Model
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NumEtud string `mapper:"num_etud" json:"num_etud"`
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Nom string `mapper:"nom" json:"nom"`
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}
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func OpenDatabase() error {
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var err error
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var dialector gorm.Dialector
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switch t := viper.GetString("db.type"); t {
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case "sqlite":
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log.Println("Using driver gorm.io/driver/sqlite")
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db_sqlite_path := viper.GetString("db.sqlite.path")
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if db_sqlite_path == "" {
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log.Fatal("No valid database file found in `--db-sqlite-path` or `db.sqlite.path`.")
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}
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log.Println("Using database file:", db_sqlite_path)
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dialector = sqlite.Open(db_sqlite_path)
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default:
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log.Fatalf("Unrecognized database driver requested (%s).\n", t)
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}
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db, err = gorm.Open(dialector, &gorm.Config{})
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if err != nil {
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return err
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}
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sqlDB, err := db.DB()
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if err != nil {
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return err
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}
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return sqlDB.Ping()
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}
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func MigrateDatabase() error {
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err := db.AutoMigrate(&Membre{})
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return err
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}
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func ReadMembre(num_etud string) Membre {
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var membre Membre
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db.First(&membre, "num_etud = ?", num_etud)
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return membre
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}
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func InsertMembres(membres []*Membre, batch_size int) error {
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if len(membres) == 0 {
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return errors.New("Cannot insert empty batch of membres.")
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}
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for _, membre := range membres {
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membre.ID = 0
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}
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db.CreateInBatches(&membres, batch_size)
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return nil
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}
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