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feat: add Lemon Squeezy payment provider (#4604)

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This commit is contained in:
Yang Luo
2025-11-30 13:40:48 +08:00
parent e751148be2
commit 2066670b76
5 changed files with 210 additions and 1 deletions
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1
go.mod
View File

@@ -4,6 +4,7 @@ go 1.23.0
require (
github.com/Masterminds/squirrel v1.5.3
github.com/NdoleStudio/lemonsqueezy-go v1.2.4
github.com/PaddleHQ/paddle-go-sdk v1.0.0
github.com/alexedwards/argon2id v0.0.0-20211130144151-3585854a6387
github.com/alibabacloud-go/darabonba-openapi/v2 v2.1.4

5
go.sum
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@@ -78,6 +78,8 @@ github.com/Masterminds/squirrel v1.5.3/go.mod h1:NNaOrjSoIDfDA40n7sr2tPNZRfjzjA4
github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
github.com/Microsoft/go-winio v0.6.1 h1:9/kr64B9VUZrLm5YYwbGtUJnMgqWVOdUAXu6Migciow=
github.com/Microsoft/go-winio v0.6.1/go.mod h1:LRdKpFKfdobln8UmuiYcKPot9D2v6svN5+sAH+4kjUM=
github.com/NdoleStudio/lemonsqueezy-go v1.2.4 h1:BhWlCUH+DIPfSn4g/V7f2nFkMCQuzno9DXKZ7YDrXXA=
github.com/NdoleStudio/lemonsqueezy-go v1.2.4/go.mod h1:2uZlWgn9sbNxOx3JQWLlPrDOC6NT/wmSTOgL3U/fMMw=
github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
github.com/PaddleHQ/paddle-go-sdk v1.0.0 h1:+EXitsPFbRcc0CpQE/MIeudxiVOR8pFe/aOWTEUHDKU=
github.com/PaddleHQ/paddle-go-sdk v1.0.0/go.mod h1:kbBBzf0BHEj38QvhtoELqlGip3alKgA/I+vl7RQzB58=
@@ -605,8 +607,9 @@ github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHW
github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
github.com/jmoiron/sqlx v1.3.3/go.mod h1:2BljVx/86SuTyjE+aPYlHCTNvZrnJXghYGpNiXLBMCQ=
github.com/joho/godotenv v1.3.0 h1:Zjp+RcGpHhGlrMbJzXTrZZPrWj+1vfm90La1wgB6Bhc=
github.com/joho/godotenv v1.3.0/go.mod h1:7hK45KPybAkOC6peb+G5yklZfMxEjkZhHbwpqxOKXbg=
github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
github.com/jonboulle/clockwork v0.2.2 h1:UOGuzwb1PwsrDAObMuhUnj0p5ULPj8V/xJ7Kx9qUBdQ=
github.com/jonboulle/clockwork v0.2.2/go.mod h1:Pkfl5aHPm1nk2H9h0bjmnJD/BcgbGXUBGnn1kMkgxc8=
github.com/jordan-wright/email v4.0.1-0.20210109023952-943e75fe5223+incompatible h1:jdpOPRN1zP63Td1hDQbZW73xKmzDvZHzVdNYxhnTMDA=

6
object/provider.go
View File

@@ -363,6 +363,12 @@ func GetPaymentProvider(p *Provider) (pp.PaymentProvider, error) {
return nil, err
}
return pp, nil
} else if typ == "Lemon Squeezy" {
pp, err := pp.NewLemonSqueezyPaymentProvider(p.ClientId, p.ClientSecret)
if err != nil {
return nil, err
}
return pp, nil
} else {
return nil, fmt.Errorf("the payment provider type: %s is not supported", p.Type)
}

194
pp/lemonsqueezy.go Normal file
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@@ -0,0 +1,194 @@
// Copyright 2024 The Casdoor Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pp
import (
"context"
"fmt"
"strconv"
"time"
"github.com/NdoleStudio/lemonsqueezy-go"
)
type LemonSqueezyPaymentProvider struct {
Client *lemonsqueezy.Client
StoreID int
}
func NewLemonSqueezyPaymentProvider(storeId string, apiKey string) (*LemonSqueezyPaymentProvider, error) {
client := lemonsqueezy.New(
lemonsqueezy.WithAPIKey(apiKey),
)
storeID, err := strconv.Atoi(storeId)
if err != nil {
return nil, fmt.Errorf("invalid store ID: %w", err)
}
pp := &LemonSqueezyPaymentProvider{
Client: client,
StoreID: storeID,
}
return pp, nil
}
func (pp *LemonSqueezyPaymentProvider) Pay(r *PayReq) (*PayResp, error) {
ctx := context.Background()
// Parse variant ID from the product name (expected to be the variant ID)
variantID, err := strconv.Atoi(r.ProductName)
if err != nil {
return nil, fmt.Errorf("invalid variant ID in product name: %w", err)
}
// Store product info in custom data for later retrieval
description := joinAttachString([]string{r.ProductName, r.ProductDisplayName, r.ProviderName})
customData := map[string]any{
"payment_name": r.PaymentName,
"product_description": description,
"product_name": r.ProductName,
"product_display_name": r.ProductDisplayName,
"provider_name": r.ProviderName,
"price": priceFloat64ToString(r.Price),
"currency": r.Currency,
}
// Create checkout attributes
attributes := &lemonsqueezy.CheckoutCreateAttributes{
ProductOptions: lemonsqueezy.CheckoutCreateProductOptions{
Name: r.ProductDisplayName,
Description: r.ProductDescription,
RedirectURL: r.ReturnUrl,
},
CheckoutData: lemonsqueezy.CheckoutCreateData{
Email: r.PayerEmail,
Name: r.PayerName,
Custom: customData,
},
}
// Create checkout
checkout, _, err := pp.Client.Checkouts.Create(ctx, pp.StoreID, variantID, attributes)
if err != nil {
return nil, err
}
if checkout == nil {
return nil, fmt.Errorf("lemonsqueezy checkout response is nil")
}
payResp := &PayResp{
PayUrl: checkout.Data.Attributes.URL,
OrderId: checkout.Data.ID,
}
return payResp, nil
}
func (pp *LemonSqueezyPaymentProvider) Notify(body []byte, orderId string) (*NotifyResult, error) {
ctx := context.Background()
// Get checkout status
checkout, _, err := pp.Client.Checkouts.Get(ctx, orderId)
if err != nil {
return nil, err
}
if checkout == nil {
return nil, fmt.Errorf("lemonsqueezy checkout not found for order: %s", orderId)
}
// Check if checkout has expired
if checkout.Data.Attributes.ExpiresAt != nil {
if time.Now().After(*checkout.Data.Attributes.ExpiresAt) {
return &NotifyResult{PaymentStatus: PaymentStateTimeout}, nil
}
}
// Extract payment details from custom data
var (
paymentName string
productName string
productDisplayName string
providerName string
price float64
currency string
)
if checkout.Data.Attributes.CheckoutData.Custom != nil {
if customData, ok := checkout.Data.Attributes.CheckoutData.Custom.(map[string]any); ok {
if v, ok := customData["payment_name"]; ok {
if str, ok := v.(string); ok {
paymentName = str
}
}
if v, ok := customData["product_name"]; ok {
if str, ok := v.(string); ok {
productName = str
}
}
if v, ok := customData["product_display_name"]; ok {
if str, ok := v.(string); ok {
productDisplayName = str
}
}
if v, ok := customData["provider_name"]; ok {
if str, ok := v.(string); ok {
providerName = str
}
}
if v, ok := customData["price"]; ok {
if str, ok := v.(string); ok {
price = priceStringToFloat64(str)
}
}
if v, ok := customData["currency"]; ok {
if str, ok := v.(string); ok {
currency = str
}
}
}
}
// Lemon Squeezy checkouts don't have a direct status field for payment completion.
// The checkout remains valid until it expires or is used.
// For proper payment status tracking, webhooks should be configured.
// Here we return PaymentStateCreated to indicate the checkout is still pending.
return &NotifyResult{
PaymentName: paymentName,
PaymentStatus: PaymentStateCreated,
ProductName: productName,
ProductDisplayName: productDisplayName,
ProviderName: providerName,
Price: price,
Currency: currency,
OrderId: orderId,
}, nil
}
func (pp *LemonSqueezyPaymentProvider) GetInvoice(paymentName string, personName string, personIdCard string, personEmail string, personPhone string, invoiceType string, invoiceTitle string, invoiceTaxId string) (string, error) {
return "", nil
}
func (pp *LemonSqueezyPaymentProvider) GetResponseError(err error) string {
if err == nil {
return "success"
}
return "fail"
}

5
web/src/Setting.js
View File

@@ -300,6 +300,10 @@ export const OtherProviderInfo = {
logo: `${StaticBaseUrl}/img/payment_fastspring.png`,
url: "https://fastspring.com/",
},
"Lemon Squeezy": {
logo: `${StaticBaseUrl}/img/payment_lemonsqueezy.png`,
url: "https://www.lemonsqueezy.com/",
},
},
Captcha: {
"Default": {
@@ -1277,6 +1281,7 @@ export function getProviderTypeOptions(category) {
{id: "Polar", name: "Polar"},
{id: "Paddle", name: "Paddle"},
{id: "FastSpring", name: "FastSpring"},
{id: "Lemon Squeezy", name: "Lemon Squeezy"},
]);
} else if (category === "Captcha") {
return ([