51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
package services
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import (
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"fmt"
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"git.solsynth.dev/hypernet/wallet/pkg/internal/database"
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"git.solsynth.dev/hypernet/wallet/pkg/internal/models"
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"github.com/shopspring/decimal"
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)
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func MakeTransaction(amount float64, remark string, payer, payee *models.Wallet) (models.Transaction, error) {
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transaction := models.Transaction{
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Amount: decimal.NewFromFloat(amount),
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Remark: remark,
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}
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if payer != nil {
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transaction.PayerID = &payer.ID
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}
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if payee != nil {
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transaction.PayeeID = &payee.ID
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}
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tx := database.C.Begin()
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if err := tx.Create(&transaction).Error; err != nil {
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tx.Rollback()
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return transaction, err
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}
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if payer != nil {
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payer.Balance = payer.Balance.Sub(transaction.Amount)
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if err := tx.Model(payer).
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Updates(&models.Wallet{Balance: payer.Balance}).Error; err != nil {
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tx.Rollback()
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return transaction, fmt.Errorf("failed to update payer wallet balance: %w", err)
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}
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}
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if payee != nil {
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payee.Balance = payee.Balance.Add(transaction.Amount)
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if err := tx.Model(payee).
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Updates(&models.Wallet{Balance: payee.Balance}).Error; err != nil {
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tx.Rollback()
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return transaction, fmt.Errorf("failed to update payee wallet balance: %w", err)
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}
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}
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tx.Commit()
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return transaction, nil
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}
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