Add something for install.

rest/base_model.go

@@ -1,13 +1,18 @@
 package rest
 
 import (
-	"time"
-	"reflect"
 	"math"
+	"reflect"
+	"time"
 )
 
 type Time time.Time
 
+type IBase interface {
+	//返回其对应的数据库表名
+	TableName() string
+}
+
 type Base struct {
 	Uuid       string    `gorm:"primary_key" json:"uuid"`
 	Sort       int64     `json:"sort"`
@@ -27,6 +32,10 @@ func (this *Base) Map() map[string]interface{} {
 	return data
 }
 
+func (Base) TableName() string {
+	return TABLE_PREFIX + "base"
+}
+
 //分页类
 type Pager struct {
 	Page       int         `json:"page"`

rest/install_controller.go

@@ -1,11 +1,15 @@
 package rest
 
 import (
+	"fmt"
 	"github.com/jinzhu/gorm"
+	"go/build"
+	"io/ioutil"
 	"net/http"
 	"strconv"
 )
 
+//安装程序的接口，只有安装阶段可以访问。
 type InstallController struct {
 	BaseController
 	uploadTokenDao    *UploadTokenDao
@@ -60,14 +64,13 @@ func (this *InstallController) RegisterRoutes() map[string]func(writer http.Resp
 
 	//每个Controller需要主动注册自己的路由。
 	routeMap["/api/install/verify"] = this.Wrap(this.Verify, USER_ROLE_GUEST)
-	routeMap["/api/install/table/dashboard"] = this.Wrap(this.InstallTableDashboard, USER_ROLE_GUEST)
+	routeMap["/api/install/table/info/list"] = this.Wrap(this.InstallTableInfoList, USER_ROLE_GUEST)
 
 	return routeMap
 }
 
-//验证数据库连接
+//获取数据库连接
-func (this *InstallController) Verify(writer http.ResponseWriter, request *http.Request) *WebResult {
+func (this *InstallController) openDbConnection(writer http.ResponseWriter, request *http.Request) *gorm.DB {
-
 	mysqlPortStr := request.FormValue("mysqlPort")
 	mysqlHost := request.FormValue("mysqlHost")
 	mysqlSchema := request.FormValue("mysqlSchema")
@@ -82,23 +85,121 @@ func (this *InstallController) Verify(writer http.ResponseWriter, request *http.
 	}
 
 	mysqlUrl := GetMysqlUrl(mysqlPort, mysqlHost, mysqlSchema, mysqlUsername, mysqlPassword)
-	this.logger.Info("验证MySQL连接性 %s", mysqlUrl)
+
+	this.logger.Info("连接MySQL %s", mysqlUrl)
 
 	var err error = nil
 	db, err := gorm.Open("mysql", mysqlUrl)
 	this.PanicError(err)
 
+	return db
+
+}
+
+//关闭数据库连接
+func (this *InstallController) closeDbConnection(db *gorm.DB) {
+
+	if db != nil {
+		err := db.Close()
+		if err != nil {
+			this.logger.Error("关闭数据库连接出错 %v", err)
+		}
+	}
+}
+
+//根据表名获取建表SQL语句
+func (this *InstallController) getCreateSQLFromFile(tableName string) string {
+
+	//1. 从当前安装目录db下去寻找建表文件。
+	homePath := GetHomePath()
+	filePath := homePath + "/db/" + tableName + ".sql"
+	exists, err := PathExists(filePath)
+	if err != nil {
+		this.PanicServer("从安装目录判断建表语句文件是否存在时出错！")
+	}
+
+	//2. 从GOPATH下面去找，因为可能是开发环境
+	if !exists {
+
+		this.logger.Info("GOPATH = %s", build.Default.GOPATH)
+
+		filePath1 := filePath
+		filePath = build.Default.GOPATH + "/src/tank/build/db/" + tableName + ".sql"
+		exists, err = PathExists(filePath)
+		if err != nil {
+			this.PanicServer("从GOPATH判断建表语句文件是否存在时出错！")
+		}
+
+		if !exists {
+			this.PanicServer(fmt.Sprintf("%s 或 %s 均不存在，请检查你的安装情况。", filePath1, filePath))
+		}
+	}
+
+	//读取文件内容.
+	bytes, err := ioutil.ReadFile(filePath)
+	this.PanicError(err)
+
+	return string(bytes)
+}
+
+//根据表名获取建表SQL语句
+func (this *InstallController) getCreateSQLFromDb(db *gorm.DB, base IBase) (bool, string) {
+
+	var hasTable = true
+	var tableName = base.TableName()
+	hasTable = db.HasTable(base)
+	if !hasTable {
+		return false, ""
+	}
+
+	// Scan
+	type Result struct {
+		Table       string
+		CreateTable string
+	}
+
+	//读取建表语句。
+	var result = &Result{}
+	db1 := db.Exec("SHOW CREATE TABLE " + tableName).Scan(result)
+	this.PanicError(db1.Error)
+
+	return true, result.CreateTable
+}
+
+//验证数据库连接
+func (this *InstallController) Verify(writer http.ResponseWriter, request *http.Request) *WebResult {
+
+	db := this.openDbConnection(writer, request)
+	defer this.closeDbConnection(db)
+
 	this.logger.Info("Ping一下数据库")
-	err = db.DB().Ping()
+	err := db.DB().Ping()
 	this.PanicError(err)
 
 	return this.Success("OK")
+}
+
+//获取需要安装的数据库表
+func (this *InstallController) InstallTableInfoList(writer http.ResponseWriter, request *http.Request) *WebResult {
+
+	var tableNames = []IBase{&Dashboard{}, &DownloadToken{}, &Footprint{}, &ImageCache{}, &Matter{}, &Preference{}, &Session{}, UploadToken{}, &User{}}
+	var installTableInfos []*InstallTableInfo
+
+	db := this.openDbConnection(writer, request)
+	defer this.closeDbConnection(db)
+
+	for _, iBase := range tableNames {
+
+		exist, sql := this.getCreateSQLFromDb(db, iBase)
+		installTableInfos = append(installTableInfos, &InstallTableInfo{
+			Name:           iBase.TableName(),
+			CreateSql:      this.getCreateSQLFromFile(iBase.TableName()),
+			TableExist:     exist,
+			ExistCreateSql: sql,
+		})
 
 	}
 
-//安装dashboard表
+	return this.Success(installTableInfos)
-func (this *InstallController) InstallTableDashboard(writer http.ResponseWriter, request *http.Request) *WebResult {
-
-	return this.Success("")
 
 }

rest/install_model.go

@@ -0,0 +1,11 @@
+package rest
+
+/**
+ * 表名对应的表结构
+ */
+type InstallTableInfo struct {
+	Name           string `json:"name"`
+	CreateSql      string `json:"createSql"`
+	TableExist     bool   `json:"tableExist"`
+	ExistCreateSql string `json:"existCreateSql"`
+}