初始提交：岩美 pay 收款服务（支付宝当面付 + 多商户多渠道架构）

- Go/Gin/GORM + 纯 Go SQLite（无 cgo） - Channel 多渠道接口：支付宝当面付(precreate)/电脑网站支付(page.pay) 已实现，微信占位 - 多商户 merchants 表，回调验签+金额核对+幂等+查单兜底 - 收款页/结果页/二维码端点；docs/ 设计文档与部署 Runbook - 密钥走环境变量/Bitwarden，不入库 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-25 07:21:48 +08:00
commit 6da6964451
29 changed files with 2205 additions and 0 deletions
@@ -0,0 +1,124 @@
+package main
+
+import (
+	"errors"
+	"log"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/glebarez/sqlite"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+
+	"github.com/wangjia/pay/config"
+	"github.com/wangjia/pay/internal/channel"
+	"github.com/wangjia/pay/internal/model"
+	"github.com/wangjia/pay/internal/router"
+)
+
+func main() {
+	config.Load()
+
+	db := initDB()
+	autoMigrate(db)
+	seed(db)
+
+	reg := channel.NewRegistry(db)
+
+	gin.SetMode(config.C.Server.Mode)
+	r := gin.New()
+	r.Use(gin.Logger(), gin.Recovery())
+
+	orderSvc := router.Setup(r, db, reg)
+
+	if config.C.QuerySync.Enabled {
+		orderSvc.StartQuerySync(
+			time.Duration(config.C.QuerySync.IntervalSec)*time.Second,
+			time.Duration(config.C.QuerySync.MaxAgeMin)*time.Minute,
+		)
+		log.Printf("查单兜底已启动：每 %ds 一次", config.C.QuerySync.IntervalSec)
+	}
+
+	addr := ":" + config.C.Server.Port
+	log.Printf("支付服务启动 %s (mode=%s, base_url=%s)", addr, config.C.Server.Mode, config.C.Server.BaseURL)
+	if err := r.Run(addr); err != nil {
+		log.Fatalf("启动失败: %v", err)
+	}
+}
+
+func initDB() *gorm.DB {
+	logLevel := logger.Silent
+	if config.C.Server.Mode == "debug" {
+		logLevel = logger.Info
+	}
+	gormCfg := &gorm.Config{Logger: logger.Default.LogMode(logLevel), TranslateError: true}
+
+	switch config.C.Database.Driver {
+	case "sqlite", "":
+		db, err := gorm.Open(sqlite.Open(config.C.Database.DSN), gormCfg)
+		if err != nil {
+			log.Fatalf("连接 sqlite 失败: %v", err)
+		}
+		return db
+	case "mysql":
+		log.Fatal("mysql 驱动尚未启用：go get gorm.io/driver/mysql 后在 initDB 接入")
+		return nil
+	default:
+		log.Fatalf("未知 database.driver: %s", config.C.Database.Driver)
+		return nil
+	}
+}
+
+func autoMigrate(db *gorm.DB) {
+	if err := db.AutoMigrate(
+		&model.Merchant{},
+		&model.Product{},
+		&model.Order{},
+		&model.NotifyLog{},
+	); err != nil {
+		log.Fatalf("自动迁移失败: %v", err)
+	}
+	log.Println("AutoMigrate 完成")
+}
+
+// seed 据 config 的 alipay_sandbox upsert 一个支付宝商户，并为其补两个测试套餐。
+func seed(db *gorm.DB) {
+	sb := config.C.AlipaySandbox
+	if !sb.Enabled {
+		log.Println("[seed] alipay_sandbox.enabled=false，跳过沙箱商户初始化")
+		return
+	}
+	var m model.Merchant
+	err := db.Where("code = ?", sb.MerchantCode).First(&m).Error
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		m = model.Merchant{
+			Code:    sb.MerchantCode,
+			Name:    sb.MerchantName,
+			Channel: "alipay",
+		}
+	} else if err != nil {
+		log.Fatalf("[seed] 查询商户失败: %v", err)
+	}
+	m.Production = sb.Production
+	m.Enabled = true
+	m.AppID = sb.AppID
+	m.AppPrivateKey = sb.AppPrivateKey
+	m.AlipayPublicKey = sb.AlipayPublicKey
+	if err := db.Save(&m).Error; err != nil {
+		log.Fatalf("[seed] 保存商户失败: %v", err)
+	}
+	log.Printf("[seed] 支付宝沙箱商户就绪: code=%s app_id=%s", m.Code, m.AppID)
+
+	var cnt int64
+	db.Model(&model.Product{}).Where("merchant_id = ?", m.ID).Count(&cnt)
+	if cnt == 0 {
+		samples := []model.Product{
+			{MerchantID: m.ID, Name: "测试套餐 A", Description: "沙箱联调用", Price: "0.01", Active: true, Sort: 1},
+			{MerchantID: m.ID, Name: "测试套餐 B", Description: "沙箱联调用", Price: "0.02", Active: true, Sort: 2},
+		}
+		if err := db.Create(&samples).Error; err != nil {
+			log.Fatalf("[seed] 创建测试套餐失败: %v", err)
+		}
+		log.Printf("[seed] 已为商户 %s 创建 %d 个测试套餐", m.Code, len(samples))
+	}
+}