293 lines
7.7 KiB
Go
293 lines
7.7 KiB
Go
package rest
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import (
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"fmt"
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"github.com/jinzhu/gorm"
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"github.com/nu7hatch/gouuid"
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"go/build"
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"io/ioutil"
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"net/http"
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"regexp"
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"strconv"
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"time"
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)
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//安装程序的接口，只有安装阶段可以访问。
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type InstallController struct {
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BaseController
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uploadTokenDao *UploadTokenDao
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downloadTokenDao *DownloadTokenDao
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matterDao *MatterDao
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matterService *MatterService
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imageCacheDao *ImageCacheDao
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imageCacheService *ImageCacheService
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}
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//初始化方法
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func (this *InstallController) Init() {
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this.BaseController.Init()
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//手动装填本实例的Bean.
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b := CONTEXT.GetBean(this.uploadTokenDao)
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if c, ok := b.(*UploadTokenDao); ok {
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this.uploadTokenDao = c
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}
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b = CONTEXT.GetBean(this.downloadTokenDao)
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if c, ok := b.(*DownloadTokenDao); ok {
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this.downloadTokenDao = c
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}
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b = CONTEXT.GetBean(this.matterDao)
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if c, ok := b.(*MatterDao); ok {
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this.matterDao = c
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}
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b = CONTEXT.GetBean(this.matterService)
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if c, ok := b.(*MatterService); ok {
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this.matterService = c
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}
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b = CONTEXT.GetBean(this.imageCacheDao)
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if c, ok := b.(*ImageCacheDao); ok {
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this.imageCacheDao = c
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}
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b = CONTEXT.GetBean(this.imageCacheService)
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if c, ok := b.(*ImageCacheService); ok {
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this.imageCacheService = c
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}
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}
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//注册自己的路由。
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func (this *InstallController) RegisterRoutes() map[string]func(writer http.ResponseWriter, request *http.Request) {
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routeMap := make(map[string]func(writer http.ResponseWriter, request *http.Request))
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//每个Controller需要主动注册自己的路由。
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routeMap["/api/install/verify"] = this.Wrap(this.Verify, USER_ROLE_GUEST)
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routeMap["/api/install/table/info/list"] = this.Wrap(this.TableInfoList, USER_ROLE_GUEST)
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routeMap["/api/install/create/table"] = this.Wrap(this.CreateTable, USER_ROLE_GUEST)
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routeMap["/api/install/create/admin"] = this.Wrap(this.CreateAdmin, USER_ROLE_GUEST)
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return routeMap
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}
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//获取数据库连接
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func (this *InstallController) openDbConnection(writer http.ResponseWriter, request *http.Request) *gorm.DB {
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mysqlPortStr := request.FormValue("mysqlPort")
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mysqlHost := request.FormValue("mysqlHost")
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mysqlSchema := request.FormValue("mysqlSchema")
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mysqlUsername := request.FormValue("mysqlUsername")
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mysqlPassword := request.FormValue("mysqlPassword")
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var mysqlPort int
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if mysqlPortStr != "" {
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tmp, err := strconv.Atoi(mysqlPortStr)
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this.PanicError(err)
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mysqlPort = tmp
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}
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mysqlUrl := GetMysqlUrl(mysqlPort, mysqlHost, mysqlSchema, mysqlUsername, mysqlPassword)
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this.logger.Info("连接MySQL %s", mysqlUrl)
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var err error = nil
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db, err := gorm.Open("mysql", mysqlUrl)
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this.PanicError(err)
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return db
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}
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//关闭数据库连接
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func (this *InstallController) closeDbConnection(db *gorm.DB) {
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if db != nil {
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err := db.Close()
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if err != nil {
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this.logger.Error("关闭数据库连接出错 %v", err)
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}
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}
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}
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//根据表名获取建表SQL语句
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func (this *InstallController) getCreateSQLFromFile(tableName string) string {
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//1. 从当前安装目录db下去寻找建表文件。
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homePath := GetHomePath()
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filePath := homePath + "/db/" + tableName + ".sql"
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exists, err := PathExists(filePath)
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if err != nil {
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this.PanicServer("从安装目录判断建表语句文件是否存在时出错！")
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}
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//2. 从GOPATH下面去找，因为可能是开发环境
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if !exists {
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this.logger.Info("GOPATH = %s", build.Default.GOPATH)
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filePath1 := filePath
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filePath = build.Default.GOPATH + "/src/tank/build/db/" + tableName + ".sql"
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exists, err = PathExists(filePath)
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if err != nil {
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this.PanicServer("从GOPATH判断建表语句文件是否存在时出错！")
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}
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if !exists {
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this.PanicServer(fmt.Sprintf("%s 或 %s 均不存在，请检查你的安装情况。", filePath1, filePath))
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}
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}
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//读取文件内容.
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bytes, err := ioutil.ReadFile(filePath)
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this.PanicError(err)
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return string(bytes)
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}
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//根据表名获取建表SQL语句
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func (this *InstallController) getTableMeta(gormDb *gorm.DB, entity IBase) (bool, []*gorm.StructField, []*gorm.StructField) {
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//挣扎一下，尝试获取建表语句。
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db := gormDb.Unscoped()
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scope := db.NewScope(entity)
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tableName := scope.TableName()
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modelStruct := scope.GetModelStruct()
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allFields := modelStruct.StructFields
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var missingFields = make([]*gorm.StructField, 0)
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if !scope.Dialect().HasTable(tableName) {
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missingFields = append(missingFields, allFields...)
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return false, allFields, missingFields
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} else {
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for _, field := range allFields {
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if !scope.Dialect().HasColumn(tableName, field.DBName) {
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if field.IsNormal {
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missingFields = append(missingFields, field)
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}
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}
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}
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return true, allFields, missingFields
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}
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}
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//验证数据库连接
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func (this *InstallController) Verify(writer http.ResponseWriter, request *http.Request) *WebResult {
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db := this.openDbConnection(writer, request)
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defer this.closeDbConnection(db)
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this.logger.Info("Ping一下数据库")
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err := db.DB().Ping()
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this.PanicError(err)
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return this.Success("OK")
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}
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//获取需要安装的数据库表
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func (this *InstallController) TableInfoList(writer http.ResponseWriter, request *http.Request) *WebResult {
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var tableNames = []IBase{&Dashboard{}, &DownloadToken{}, &Footprint{}, &ImageCache{}, &Matter{}, &Preference{}, &Session{}, UploadToken{}, &User{}}
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var installTableInfos []*InstallTableInfo
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db := this.openDbConnection(writer, request)
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defer this.closeDbConnection(db)
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for _, iBase := range tableNames {
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exist, allFields, missingFields := this.getTableMeta(db, iBase)
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installTableInfos = append(installTableInfos, &InstallTableInfo{
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Name: iBase.TableName(),
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TableExist: exist,
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AllFields: allFields,
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MissingFields: missingFields,
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})
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}
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return this.Success(installTableInfos)
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}
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//创建缺失数据库和表
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func (this *InstallController) CreateTable(writer http.ResponseWriter, request *http.Request) *WebResult {
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var tableNames = []IBase{&Dashboard{}, &DownloadToken{}, &Footprint{}, &ImageCache{}, &Matter{}, &Preference{}, &Session{}, UploadToken{}, &User{}}
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var installTableInfos []*InstallTableInfo
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db := this.openDbConnection(writer, request)
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defer this.closeDbConnection(db)
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for _, iBase := range tableNames {
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//补全缺失字段或者创建数据库表
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db1 := db.AutoMigrate(iBase)
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this.PanicError(db1.Error)
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exist, allFields, missingFields := this.getTableMeta(db, iBase)
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installTableInfos = append(installTableInfos, &InstallTableInfo{
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Name: iBase.TableName(),
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TableExist: exist,
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AllFields: allFields,
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MissingFields: missingFields,
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})
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}
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return this.Success(installTableInfos)
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}
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//创建管理员
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func (this *InstallController) CreateAdmin(writer http.ResponseWriter, request *http.Request) *WebResult {
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db := this.openDbConnection(writer, request)
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defer this.closeDbConnection(db)
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adminUsername := request.FormValue("adminUsername")
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adminEmail := request.FormValue("adminEmail")
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adminPassword := request.FormValue("adminPassword")
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//验证超级管理员的信息
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if m, _ := regexp.MatchString(`^[0-9a-zA-Z_]+$`, adminUsername); !m {
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this.PanicBadRequest(`超级管理员用户名必填，且只能包含字母，数字和'_''`)
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}
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if len(adminPassword) < 6 {
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this.PanicBadRequest(`超级管理员密码长度至少为6位`)
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}
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if adminEmail == "" {
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this.PanicBadRequest(`超级管理员邮箱必填`)
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}
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user := &User{}
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timeUUID, _ := uuid.NewV4()
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user.Uuid = string(timeUUID.String())
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user.CreateTime = time.Now()
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user.UpdateTime = time.Now()
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user.LastTime = time.Now()
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user.Sort = time.Now().UnixNano() / 1e6
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user.Role = USER_ROLE_ADMINISTRATOR
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user.Username = adminUsername
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user.Password = GetBcrypt(adminPassword)
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user.Email = adminEmail
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user.Phone = ""
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user.Gender = USER_GENDER_UNKNOWN
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user.SizeLimit = -1
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user.Status = USER_STATUS_OK
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db.Create(user)
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return this.Success("OK")
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}
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