light-apiengine-feature/engine/apiengine.go

package engine

import (
	"fmt"
	"os"
	"github.com/gin-gonic/gin"
	"github.com/xormplus/xorm"
	"github.com/gin-contrib/cors"
	"git.qianqiusoft.com/qianqiusoft/light-apiengine/config"
)

type ApiEngine struct {
	OrmEngine   *xorm.Engine
	GinEngine   *gin.Engine
	listen_addr string
}

func Default()  *ApiEngine{
	apiengine := NewApiEngine("mysql", config.AppConfig.DataSource, fmt.Sprintf(":%d",config.AppConfig.HttpPort))
	return apiengine
}

func NewApiEngine(driverName, dataSourceName string, addr string) *ApiEngine {
	engine := &ApiEngine{}
	var err error
	engine.OrmEngine, err = xorm.NewEngine(driverName, dataSourceName)
	if err!=nil{
		fmt.Println(err.Error())
	}
	initOrmEngine(engine.OrmEngine, driverName)
	engine.GinEngine = gin.Default()
	_,err = os.Stat("doc")
	if err == nil {
		fmt.Println("LoadHTMLGlob.")
		engine.GinEngine.LoadHTMLGlob("doc/*")
	}


	CreateDatabase(engine)

	//cross domain
	config := cors.DefaultConfig()
	config.AllowAllOrigins = true
	//config.AllowOrigins = []string{"http://localhost:8090"}
	config.AllowCredentials = true
	config.AllowHeaders = []string{"Content-Type,AccessToken,X-CSRF-Token, Authorization, Token"}
	engine.GinEngine.Use(cors.New(config))
	engine.listen_addr = addr

	return engine
}

func initOrmEngine(orm *xorm.Engine, driverName string) {
	sqldir := "./sqlconfig"
	//注册SqlMap配置，xml格式
	err := orm.RegisterSqlMap(xorm.Xml(sqldir, ".xml"))
	printError(err)
	//注册SqlTemplate配置，使用Pongo2模板引擎
	err = orm.RegisterSqlTemplate(xorm.Pongo2(sqldir, "_"+driverName+".stpl"))
	printError(err)
	//注册SqlTemplate配置，使用Jet模板引擎
	err = orm.RegisterSqlTemplate(xorm.Jet(sqldir, "_"+driverName+".jet"))
	printError(err)
	//注册SqlTemplate配置，使用html/template模板引擎
	err = orm.RegisterSqlTemplate(xorm.Default(sqldir, "_"+driverName+".tpl"))
	printError(err)

	orm.StartFSWatcher()

	orm.ShowSQL(true)
	/*for k,_:=range orm.SqlMap.Sql{
		fmt.Println(k)
	}*/
	//orm.ShowExecTime(true)
}

func printError(err error) {
	if err != nil {
		fmt.Println(err.Error())
	}
}

func (g *ApiEngine) SyncDb(beans ...interface{}) error {
	return g.OrmEngine.Sync2(beans)
}

func (g *ApiEngine) Run() {
	InitDbData(g)
	g.GinEngine.StaticFile("/", "web/index.html")
	g.GinEngine.Static("/static","web/static")
	g.GinEngine.Run(g.listen_addr)
}