mindoc/controllers/base.go

143 lines
3.6 KiB
Go

package controllers
import (
"bytes"
"encoding/json"
"github.com/astaxie/beego"
"github.com/lifei6671/mindoc/conf"
"github.com/lifei6671/mindoc/models"
"io"
"strings"
)
type BaseController struct {
beego.Controller
Member *models.Member
Option map[string]string
EnableAnonymous bool
EnableDocumentHistory bool
}
// Prepare 预处理.
func (c *BaseController) Prepare() {
c.Data["SiteName"] = "MinDoc"
c.Data["Member"] = models.Member{}
controller,action := c.GetControllerAndAction()
c.Data["ActionName"] = action
c.Data["ControllerName"] = controller
c.EnableAnonymous = false
c.EnableDocumentHistory = false
if member, ok := c.GetSession(conf.LoginSessionName).(models.Member); ok && member.MemberId > 0 {
c.Member = &member
c.Data["Member"] = c.Member
} else {
//c.Member = models.NewMember()
//c.Member.Find(1)
//c.Data["Member"] = *c.Member
}
conf.BaseUrl = c.BaseUrl()
c.Data["BaseUrl"] = c.BaseUrl()
if options, err := models.NewOption().All(); err == nil {
c.Option = make(map[string]string, len(options))
for _, item := range options {
c.Data[item.OptionName] = item.OptionValue
c.Option[item.OptionName] = item.OptionValue
if strings.EqualFold(item.OptionName, "ENABLE_ANONYMOUS") && item.OptionValue == "true" {
c.EnableAnonymous = true
}
if strings.EqualFold(item.OptionName, "ENABLE_DOCUMENT_HISTORY") && item.OptionValue == "true" {
c.EnableDocumentHistory = true
}
}
}
}
// SetMember 获取或设置当前登录用户信息,如果 MemberId 小于 0 则标识删除 Session
func (c *BaseController) SetMember(member models.Member) {
if member.MemberId <= 0 {
c.DelSession(conf.LoginSessionName)
c.DelSession("uid")
c.DestroySession()
} else {
c.SetSession(conf.LoginSessionName, member)
c.SetSession("uid", member.MemberId)
}
}
// JsonResult 响应 json 结果
func (c *BaseController) JsonResult(errCode int, errMsg string, data ...interface{}) {
jsonData := make(map[string]interface{}, 3)
jsonData["errcode"] = errCode
jsonData["message"] = errMsg
if len(data) > 0 && data[0] != nil {
jsonData["data"] = data[0]
}
returnJSON, err := json.Marshal(jsonData)
if err != nil {
beego.Error(err)
}
c.Ctx.ResponseWriter.Header().Set("Content-Type", "application/json; charset=utf-8")
c.Ctx.ResponseWriter.Header().Set("Cache-Control", "no-cache, no-store")
io.WriteString(c.Ctx.ResponseWriter, string(returnJSON))
c.StopRun()
}
// ExecuteViewPathTemplate 执行指定的模板并返回执行结果.
func (c *BaseController) ExecuteViewPathTemplate(tplName string, data interface{}) (string, error) {
var buf bytes.Buffer
viewPath := c.ViewPath
if c.ViewPath == "" {
viewPath = beego.BConfig.WebConfig.ViewsPath
}
if err := beego.ExecuteViewPathTemplate(&buf, tplName, viewPath, data); err != nil {
return "", err
}
return buf.String(), nil
}
func (c *BaseController) BaseUrl() string {
baseUrl := beego.AppConfig.DefaultString("baseurl", "")
if baseUrl != "" {
if strings.HasSuffix(baseUrl, "/") {
baseUrl = strings.TrimSuffix(baseUrl, "/")
}
} else {
baseUrl = c.Ctx.Input.Scheme() + "://" + c.Ctx.Request.Host
}
return baseUrl
}
//显示错误信息页面.
func (c *BaseController) ShowErrorPage(errCode int, errMsg string) {
c.TplName = "errors/error.tpl"
c.Data["ErrorMessage"] = errMsg
c.Data["ErrorCode"] = errCode
var buf bytes.Buffer
if err := beego.ExecuteViewPathTemplate(&buf, "document/export.tpl", beego.BConfig.WebConfig.ViewsPath, map[string]interface{}{"ErrorMessage": errMsg, "errCode": errCode, "BaseUrl": conf.BaseUrl}); err != nil {
c.Abort("500")
}
c.CustomAbort(200,buf.String())
}