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441 lines
12 KiB
441 lines
12 KiB
package rest
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import (
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"fmt"
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"github.com/eyebluecn/tank/code/core"
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"github.com/eyebluecn/tank/code/tool/builder"
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"github.com/eyebluecn/tank/code/tool/result"
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"github.com/eyebluecn/tank/code/tool/util"
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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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tableNames []IBase
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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 := core.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 = core.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 = core.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 = core.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 = core.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 = core.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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this.tableNames = []IBase{
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&Dashboard{},
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&Bridge{},
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&DownloadToken{},
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&Footprint{},
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&ImageCache{},
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&Matter{},
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&Preference{},
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&Session{},
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&Share{},
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&UploadToken{},
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&User{},
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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/admin/list"] = this.Wrap(this.AdminList, USER_ROLE_GUEST)
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routeMap["/api/install/create/admin"] = this.Wrap(this.CreateAdmin, USER_ROLE_GUEST)
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routeMap["/api/install/validate/admin"] = this.Wrap(this.ValidateAdmin, USER_ROLE_GUEST)
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routeMap["/api/install/finish"] = this.Wrap(this.Finish, 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 := util.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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db.LogMode(false)
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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 := util.GetHomePath()
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filePath := homePath + "/db/" + tableName + ".sql"
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exists := util.PathExists(filePath)
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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 = util.PathExists(filePath)
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if !exists {
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panic(result.Server("%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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//根据表名获取建表SQL语句
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func (this *InstallController) getTableMetaList(db *gorm.DB) []*InstallTableInfo {
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var installTableInfos []*InstallTableInfo
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for _, iBase := range this.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 installTableInfos
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}
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//验证表结构是否完整。会直接抛出异常
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func (this *InstallController) validateTableMetaList(tableInfoList []*InstallTableInfo) {
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for _, tableInfo := range tableInfoList {
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if tableInfo.TableExist {
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if len(tableInfo.MissingFields) != 0 {
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var strs []string
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for _, v := range tableInfo.MissingFields {
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strs = append(strs, v.DBName)
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}
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panic(result.BadRequest(fmt.Sprintf("%s 表的以下字段缺失：%v", tableInfo.Name, strs)))
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}
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} else {
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panic(result.BadRequest(tableInfo.Name + "表不存在"))
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}
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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) *result.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) *result.WebResult {
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db := this.openDbConnection(writer, request)
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defer this.closeDbConnection(db)
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return this.Success(this.getTableMetaList(db))
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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) *result.WebResult {
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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 this.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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//获取管理员列表(10条记录)
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func (this *InstallController) AdminList(writer http.ResponseWriter, request *http.Request) *result.WebResult {
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db := this.openDbConnection(writer, request)
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defer this.closeDbConnection(db)
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var wp = &builder.WherePair{}
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wp = wp.And(&builder.WherePair{Query: "role = ?", Args: []interface{}{USER_ROLE_ADMINISTRATOR}})
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var users []*User
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db = db.Where(wp.Query, wp.Args...).Offset(0).Limit(10).Find(&users)
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this.PanicError(db.Error)
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return this.Success(users)
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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) *result.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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panic(result.BadRequest(`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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panic(result.BadRequest(`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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panic(result.BadRequest(`超级管理员邮箱必填`))
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}
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//检查是否有重复。
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var count1 int64
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db1 := db.Model(&User{}).Where("email = ?", adminEmail).Count(&count1)
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this.PanicError(db1.Error)
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if count1 > 0 {
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panic(result.BadRequest(`该邮箱已存在`))
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}
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var count2 int64
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db2 := db.Model(&User{}).Where("username = ?", adminUsername).Count(&count2)
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this.PanicError(db2.Error)
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if count2 > 0 {
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panic(result.BadRequest(`该用户名已存在`))
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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 = util.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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db3 := db.Create(user)
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this.PanicError(db3.Error)
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return this.Success("OK")
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}
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//(如果数据库中本身存在管理员了)验证管理员
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func (this *InstallController) ValidateAdmin(writer http.ResponseWriter, request *http.Request) *result.WebResult {
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db := this.openDbConnection(writer, request)
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defer this.closeDbConnection(db)
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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 adminEmail == "" {
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panic(result.BadRequest(`超级管理员邮箱必填`))
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}
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if len(adminPassword) < 6 {
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panic(result.BadRequest(`超级管理员密码长度至少为6位`))
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}
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var existEmailUser = &User{}
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db = db.Where(&User{Email: adminEmail}).First(existEmailUser)
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if db.Error != nil {
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panic(result.BadRequest(fmt.Sprintf("%s对应的用户不存在", adminEmail)))
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}
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if !util.MatchBcrypt(adminPassword, existEmailUser.Password) {
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panic(result.BadRequest("邮箱或密码错误"))
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}
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if existEmailUser.Role != USER_ROLE_ADMINISTRATOR {
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panic(result.BadRequest("该账号不是管理员"))
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}
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return this.Success("OK")
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}
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//完成系统安装
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func (this *InstallController) Finish(writer http.ResponseWriter, request *http.Request) *result.WebResult {
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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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//要求数据库连接通畅
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db := this.openDbConnection(writer, request)
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defer this.closeDbConnection(db)
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//要求数据库完整。
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tableMetaList := this.getTableMetaList(db)
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this.validateTableMetaList(tableMetaList)
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//要求至少有一名管理员。
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var count1 int64
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db1 := db.Model(&User{}).Where("role = ?", USER_ROLE_ADMINISTRATOR).Count(&count1)
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this.PanicError(db1.Error)
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if count1 == 0 {
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panic(result.BadRequest(`请至少配置一名管理员`))
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}
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//通知配置文件安装完毕。
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core.CONFIG.FinishInstall(mysqlPort, mysqlHost, mysqlSchema, mysqlUsername, mysqlPassword)
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//通知全局上下文，说系统安装好了
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core.CONTEXT.InstallOk()
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return this.Success("OK")
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}
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