65 lines
1.8 KiB
Go
65 lines
1.8 KiB
Go
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package repository
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import (
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"context"
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"errors"
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"github.com/cloudprint/cloudprint-backend/internal/model"
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"gorm.io/gorm"
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)
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type UserRepository struct {
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db *gorm.DB
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}
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func NewUserRepository(db *gorm.DB) *UserRepository {
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return &UserRepository{db: db}
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}
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func (r *UserRepository) Create(ctx context.Context, user *model.User) error {
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return r.db.WithContext(ctx).Create(user).Error
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}
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func (r *UserRepository) GetByID(ctx context.Context, id int32) (*model.User, error) {
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var user model.User
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err := r.db.WithContext(ctx).First(&user, id).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, nil
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}
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return nil, err
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}
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return &user, nil
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}
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func (r *UserRepository) GetByOpenid(ctx context.Context, openid string) (*model.User, error) {
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var user model.User
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err := r.db.WithContext(ctx).Where("openid = ?", openid).First(&user).Error
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, nil
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}
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return nil, err
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}
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return &user, nil
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}
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func (r *UserRepository) Update(ctx context.Context, user *model.User) error {
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return r.db.WithContext(ctx).Save(user).Error
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}
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func (r *UserRepository) UpdateBalance(ctx context.Context, userID int32, balance float64) error {
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return r.db.WithContext(ctx).Model(&model.User{}).Where("id = ?", userID).Update("balance", balance).Error
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}
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func (r *UserRepository) DeductBalance(ctx context.Context, userID int32, amount float64) error {
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return r.db.WithContext(ctx).Model(&model.User{}).
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Where("id = ? AND balance >= ?", userID, amount).
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Update("balance", gorm.Expr("balance - ?", amount)).Error
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}
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func (r *UserRepository) AddBalance(ctx context.Context, userID int32, amount float64) error {
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return r.db.WithContext(ctx).Model(&model.User{}).Where("id = ?", userID).
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Update("balance", gorm.Expr("balance + ?", amount)).Error
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}
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