39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
package platformsetting
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import (
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"context"
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"errors"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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biz "kra/internal/biz/platformsetting"
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"kra/internal/data/ledger"
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"strconv"
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"time"
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)
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const key = "diamond_rate_cents"
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type Provider interface{ DB() *gorm.DB }
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type repo struct{ data Provider }
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func NewRepo(data Provider) biz.Repo { return &repo{data: data} }
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func (r *repo) Get(ctx context.Context) (*biz.Setting, error) {
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var row ledger.SettingPO
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err := r.data.DB().WithContext(ctx).Where(&ledger.SettingPO{Key: key}).First(&row).Error
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return &biz.Setting{DiamondRateCents: 10}, nil
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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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v, e := strconv.ParseInt(row.Value, 10, 64)
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if e != nil {
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v = 10
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}
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return &biz.Setting{DiamondRateCents: v}, nil
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}
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func (r *repo) Save(ctx context.Context, v *biz.Setting) error {
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row := ledger.SettingPO{Key: key, Value: strconv.FormatInt(v.DiamondRateCents, 10), UpdatedAt: time.Now()}
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return r.data.DB().WithContext(ctx).Clauses(clause.OnConflict{Columns: []clause.Column{{Name: "key"}}, DoUpdates: clause.AssignmentColumns([]string{"value", "updated_at"})}).Create(&row).Error
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}
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