107 lines
2.7 KiB
Go
107 lines
2.7 KiB
Go
package promo_rule
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import (
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"context"
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"errors"
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"fmt"
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"github.com/perfect-panel/server/pkg/cache"
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"github.com/redis/go-redis/v9"
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"gorm.io/gorm"
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)
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var _ Model = (*customPromoRuleModel)(nil)
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var cachePromoRuleIdPrefix = "cache:promo_rule:id:"
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type (
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Model interface {
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promoRuleModel
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customPromoRuleLogicModel
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}
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promoRuleModel interface {
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Insert(ctx context.Context, data *PromoRule, tx ...*gorm.DB) error
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FindOne(ctx context.Context, id int64) (*PromoRule, error)
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Update(ctx context.Context, data *PromoRule, tx ...*gorm.DB) error
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Delete(ctx context.Context, id int64, tx ...*gorm.DB) error
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Transaction(ctx context.Context, fn func(db *gorm.DB) error) error
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}
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customPromoRuleModel struct {
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*defaultPromoRuleModel
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}
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defaultPromoRuleModel struct {
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cache.CachedConn
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table string
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}
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)
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func newPromoRuleModel(db *gorm.DB, c *redis.Client) *defaultPromoRuleModel {
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return &defaultPromoRuleModel{
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CachedConn: cache.NewConn(db, c),
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table: "`promo_rule`",
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}
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}
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func (m *defaultPromoRuleModel) getCacheKeys(data *PromoRule) []string {
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if data == nil {
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return []string{}
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}
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return []string{fmt.Sprintf("%s%v", cachePromoRuleIdPrefix, data.Id)}
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}
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func (m *defaultPromoRuleModel) Insert(ctx context.Context, data *PromoRule, tx ...*gorm.DB) error {
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return m.ExecCtx(ctx, func(conn *gorm.DB) error {
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if len(tx) > 0 {
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conn = tx[0]
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}
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return conn.Create(data).Error
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}, m.getCacheKeys(data)...)
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}
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func (m *defaultPromoRuleModel) FindOne(ctx context.Context, id int64) (*PromoRule, error) {
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key := fmt.Sprintf("%s%v", cachePromoRuleIdPrefix, id)
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var resp PromoRule
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err := m.QueryCtx(ctx, &resp, key, func(conn *gorm.DB, v interface{}) error {
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return conn.Model(&PromoRule{}).Where("`id` = ?", id).First(v).Error
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})
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if err != nil {
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return nil, err
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}
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return &resp, nil
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}
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func (m *defaultPromoRuleModel) Update(ctx context.Context, data *PromoRule, tx ...*gorm.DB) error {
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old, err := m.FindOne(ctx, data.Id)
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if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
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return err
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}
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return m.ExecCtx(ctx, func(conn *gorm.DB) error {
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if len(tx) > 0 {
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conn = tx[0]
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}
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return conn.Save(data).Error
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}, m.getCacheKeys(old)...)
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}
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func (m *defaultPromoRuleModel) Delete(ctx context.Context, id int64, tx ...*gorm.DB) error {
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data, err := m.FindOne(ctx, id)
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil
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}
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return err
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}
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return m.ExecCtx(ctx, func(conn *gorm.DB) error {
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if len(tx) > 0 {
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conn = tx[0]
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}
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return conn.Delete(&PromoRule{}, id).Error
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}, m.getCacheKeys(data)...)
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}
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func (m *defaultPromoRuleModel) Transaction(ctx context.Context, fn func(db *gorm.DB) error) error {
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return m.TransactCtx(ctx, fn)
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}
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