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https://github.com/hanzoai/commerce.git
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zeekay
1943f1c093
Multi-tenant commerce and billing: orders, subscriptions, invoices, plans, usage metering and a credit ledger. One Go binary. MIT OR Apache-2.0. Claude-Session: https://claude.ai/code/session_01SAtaDFm8VDiWrhYHNNtxMw
50 lines
947 B
Go
50 lines
947 B
Go
package coupon
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import (
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"time"
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"github.com/hanzoai/commerce/datastore"
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"github.com/hanzoai/commerce/log"
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)
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type Redemption struct {
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// Time coupon was used
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CreatedAt time.Time `json:"createdAt"`
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// Coupon code or dynamic code
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Code string `json:"code"`
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}
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func (c *Coupon) SaveRedemption() error {
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db := datastore.New(c.Context())
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_, err := db.Put("redemption", &Redemption{time.Now(), c.Code()})
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return err
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}
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func (c *Coupon) Redemptions() int {
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db := datastore.New(c.Context())
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count, _ := db.Query("redemption").Filter("Code=", c.Code()).Count()
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return count
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}
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func (c *Coupon) Redeemable() bool {
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if !c.Enabled {
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log.Debug("Coupon Not Enabled")
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return false
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}
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// Unlimited coupon usage if limit is set less than 1
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if c.Limit < 1 {
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log.Debug("Limit is Infinite")
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return true
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}
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r := c.Redemptions()
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if r >= c.Limit {
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log.Debug("c.Redemptions %v >= c.Limits %v", r, c.Limit)
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return false
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}
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return true
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}
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