chore: build
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@@ -1,8 +1,11 @@
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package db
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import (
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"database/sql"
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"fmt"
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"gestion/models"
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"gorm.io/gorm"
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)
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func (d *Database) SetClientParrain(clientUsername, parrainUsername string) error {
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@@ -18,13 +21,44 @@ func (d *Database) SetClientParrain(clientUsername, parrainUsername string) erro
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return nil
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}
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// SetClientParrainAndCredit assigne un parrain à un client et crédite le parrain
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// dans une seule transaction, pour éviter un lien parrain enregistré sans le crédit associé.
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func (d *Database) SetClientParrainAndCredit(clientUsername, parrainUsername string, creditAmount float64) error {
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return d.GDB.Transaction(func(tx *gorm.DB) error {
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result := tx.Model(&models.Client{}).
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Where("username = ? AND (parrain IS NULL OR parrain = '')", clientUsername).
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Update("parrain", parrainUsername)
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if result.Error != nil {
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return result.Error
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}
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if result.RowsAffected == 0 {
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return fmt.Errorf("client introuvable ou parrain déjà défini")
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}
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if creditAmount > 0 {
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result = tx.Model(&models.Client{}).Where("username = ?", parrainUsername).
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Updates(map[string]any{"referral_balance": gorm.Expr("referral_balance + ?", creditAmount)})
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if result.Error != nil {
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return result.Error
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}
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if result.RowsAffected == 0 {
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return fmt.Errorf("parrain non trouvé")
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}
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}
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return nil
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})
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}
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func (d *Database) GetClientParrain(clientUsername string) (string, error) {
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var parrain string
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var parrain sql.NullString
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err := d.GDB.Table("clients").
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Select("parrain").
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Where("username = ?", clientUsername).
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Scan(&parrain).Error
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return parrain, err
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if err != nil {
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return "", err
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}
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return parrain.String, nil
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}
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func (d *Database) GetClientsByParrain(parrainUsername string) ([]models.Client, error) {
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