68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
package dtmsvr
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import (
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"github.com/gin-gonic/gin"
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"github.com/sirupsen/logrus"
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"github.com/yedf/dtm/common"
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"gorm.io/gorm/clause"
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)
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func AddRoute(engine *gin.Engine) {
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engine.POST("/api/dtmsvr/prepare", common.WrapHandler(Prepare))
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engine.POST("/api/dtmsvr/commit", common.WrapHandler(Commit))
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engine.POST("/api/dtmsvr/branch", common.WrapHandler(Branch))
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engine.POST("/api/dtmsvr/rollback", common.WrapHandler(Rollback))
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}
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func Prepare(c *gin.Context) (interface{}, error) {
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db := dbGet()
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m := getTransFromContext(c)
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m.Status = "prepared"
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writeTransLog(m.Gid, "save prepared", m.Status, "", m.Data)
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db.Must().Clauses(clause.OnConflict{
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DoNothing: true,
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}).Create(&m)
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return M{"message": "SUCCESS"}, nil
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}
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func Commit(c *gin.Context) (interface{}, error) {
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m := getTransFromContext(c)
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saveCommitted(m)
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go ProcessTrans(m)
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return M{"message": "SUCCESS"}, nil
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}
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func Rollback(c *gin.Context) (interface{}, error) {
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m := getTransFromContext(c)
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trans := TransGlobal{}
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dbGet().Must().Model(&m).First(&trans)
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// 当前xa trans的状态为prepared，直接处理，则是回滚
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go ProcessTrans(&trans)
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return M{"message": "SUCCESS"}, nil
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}
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func Branch(c *gin.Context) (interface{}, error) {
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branch := TransBranch{}
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err := c.BindJSON(&branch)
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e2p(err)
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db := dbGet()
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db.Must().Clauses(clause.OnConflict{
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DoNothing: true,
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}).Create(&branch)
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return M{"message": "SUCCESS"}, nil
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}
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func getTransFromContext(c *gin.Context) *TransGlobal {
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data := M{}
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b, err := c.GetRawData()
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e2p(err)
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common.MustUnmarshal(b, &data)
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logrus.Printf("creating trans model in prepare")
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if data["trans_type"].(string) == "saga" {
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data["data"] = common.MustMarshalString(data["steps"])
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}
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m := TransGlobal{}
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common.MustRemarshal(data, &m)
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return &m
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}
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