Merge branch 'master1' of http://xlab.zju.edu.cn/git/chenhan/pastebin into master1

backend/app/controller/interface.go

@@ -4,8 +4,7 @@ import (
 	"net"
 	"net/http"
 	"pastebin_backend/app/response"
-
-	"pastebin_backend/model"
+	//"pastebin_backend/model"
 
 	//"error"
 	"time"

backend/app/init.go

 package app
 
 import (
-	"pastebin_backend/utils"
+	"backend/utils"
 	//"net/http"
 	"github.com/labstack/echo/v4"
 	"github.com/sirupsen/logrus"

backend/app/routes.go

 package app
 
 import (
-	"pastebin_backend/app/controller"
-	"pastebin_backend/app/middleware"
-	//"pastebin_backend/model"
+	"backend/app/controller"
+	"backend/app/middleware"
+	//"backend/model"
 )
 
 func addRoutes() {

backend/go.mod

-module pastebin_backend
+module backend
 
 go 1.19
 

backend/main.go

@@ -6,18 +6,27 @@
 package main
 
 import (
-	"pastebin_backend/app"
+	//"backend/app"
 	//"pastebin_backend/app/controller"
-	"pastebin_backend/model"
-
+	"backend/model"
+    //"time"
+	"fmt"
 	"github.com/sirupsen/logrus"
 )
 
 func main() {
 	logrus.SetReportCaller(true)
 	model.Init()
-	app.InitWebFramework()
-	app.StartServer()
+/*	var user3 model.Users
+	user3.Passwd = "123456"
+	model.Createuser(user3)
+	var url2 = new(model.Url)
+	var s2 string = "/person/example"
+	var s3 string = "lytgodbb"
+	for i := 0; i <= 10; i++ {
+		model.Checkt(s2)
+	}*/
+	fmt.Println(model.Find("fF2pGKiB","/person/example "))
 	//controller.BuildSocket()
 	//controller.RecvFile()
 }

backend/model/init.go

 package model
 
 import (
+	//"fmt"
 	"time"
+    "math/rand"
 
 	"github.com/sirupsen/logrus"
 	"github.com/spf13/viper"
@@ -13,20 +15,24 @@ var DB *gorm.DB
 var id1 uint = 0
 
 func Init() {
-	connectDatabase()
+	ConnectDatabase()
 	var err error
 	// insert auto-table
+	err = DB.AutoMigrate(&Content{})
+	if err != nil {
+		logrus.Fatal(err)
+	}
 	err = DB.AutoMigrate(&Users{})
 	if err != nil {
 		logrus.Fatal(err)
 	}
-	err = DB.AutoMigrate(&content{})
+    err = DB.AutoMigrate(&Url{},&Sid{})
 	if err != nil {
 		logrus.Fatal(err)
 	}
 }
 
-func connectDatabase() {
+func ConnectDatabase() {
 	// config
 	viper.SetConfigName("config")
 	viper.SetConfigType("yaml")
@@ -47,35 +53,36 @@ func connectDatabase() {
 
 // Backcheck content through link
 //通过链接反查内容
-func findlink(_Route string) content {
-	var p content
-	err := DB.First(&p, "Route = ?", _Route)
+func Findlink(_url string) string {
+	var p Content
+	err := DB.First(&p, "Url1 = ?", _url)
 	if err != nil {
 		logrus.Error(err)
 	}
-	return p
+	return p.Route
 }
 
 // save text information
 //保存文本和文件信息
-func savetext(_Route string, _Time uint, _Passwd string,_Time1 time.Time) {
+func Savetext(_Route string, _Time uint, _Passwd string,_Time1 time.Time,_url string) {
 	id1++
-	p := content{
+	p := Content{
 		ID :      id1,
 		Route:    _Route,
+		Time:     _Time,
 		Passwd:     _Passwd,
 		Date:    time.Now(),
 		Time1:   _Time1,
 		Time2:   0,
-
+        Url1: _url,
 	}
 	DB.Create(&p)
 }
 
 // Check whether the number of visits exceeds the threshold and the time limit
 //检查是否超过总访问次数和截止时间
-func checkt(_Route string) {
-	var p content
+func Checkt(_Route string) {
+	var p Content
 	err := DB.First(&p, "Route = ?",_Route)
 	if err != nil {
 		logrus.Error(err)
@@ -85,4 +92,59 @@ func checkt(_Route string) {
 	if p.Time2 > p.Time||t.After(p.Time1) {
 		DB.Delete(&p)
 	}
-}
\ No newline at end of file
+}
+
+//查找sessionid和url是否关联
+func Find(sid string,_url string) bool {
+	var url Url
+	err1 := DB.First(&url, "Url1 = ?",_url).Error
+	//fmt.Println(url.Url1,url.ID,"\n")
+	if err1 != nil {
+		return false
+	}
+	var sid1 Sid
+	DB.Model(&url).Where("S = ?",sid).Association("User1").Find(&sid1)
+	if sid1.UrlID == 0 {
+		return false
+	}
+	return true
+}
+
+var letters = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789")
+
+//随机生成字符串
+func randStr(n int) string {
+	rand.Seed(time.Now().Unix())
+    b := make([]rune, n)
+    for i := range b {
+        b[i] = letters[rand.Intn(len(letters))]
+    }
+    return string(b)
+}
+
+//新建用户
+func Createuser(_User Users) {
+      _User.SessionId=randStr(8)
+	  DB.Create(&_User)
+}
+
+//新建链接
+func Createlink(sid string , _passwd string , _url string) bool {
+	var p Content
+	DB.First(&p, "Url1 = ?", _url)
+	if p.Passwd == _passwd {
+		 var p1 Sid
+		 var p2 Url
+		 p1.S = sid
+		 err := DB.First(&p2,"Url1 = ?",_url).Error
+		// fmt.Println("yes  ",err)
+		 if err != nil {
+			//fmt.Println("yes  ")
+		    p2.Url1 = _url
+			DB.Create(&p2)
+		 }
+		 DB.Model(&p2).Association("User1").Append(&p1)
+         return true
+	}
+	return false
+}

backend/model/model.go

@@ -2,9 +2,10 @@ package model
 
 import (
    "time"
+   "gorm.io/gorm"
 )
 
-type content struct {
+type Content struct {
     ID uint `gorm:"primarykey"`
     Route string
     Time uint
@@ -13,12 +14,26 @@ type content struct {
     Size uint
     Time1 time.Time
     Time2 uint
+    Url1 string
+}
+
+type Url struct {
+    gorm.Model
+    Url1 string 
+    User1 []Sid 
+}
+
+type Sid struct
+{
+    S string
+    UrlID uint
 }
 
 type Users struct {
+    SessionId string
     Username string
     Passwd string    
     Name string
     Size uint
     Route string
-}
\ No newline at end of file
+}

pastebin @ ded77073

+Subproject commit ded770739475219412b72eb9b8eb377405fb5803