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mayfly-go/base/controller.go

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package base
import (
"encoding/json"
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"fmt"
"mayfly-go/base/ctx"
"mayfly-go/base/model"
"mayfly-go/base/token"
"github.com/beego/beego/v2/core/logs"
"github.com/beego/beego/v2/core/validation"
"github.com/beego/beego/v2/server/web"
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)
type Controller struct {
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web.Controller
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}
// 获取数据函数
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type getDataFunc func(loginAccount *ctx.LoginAccount) interface{}
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// 操作函数,无返回数据
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type operationFunc func(loginAccount *ctx.LoginAccount)
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// 将请求体的json赋值给指定的结构体
func (c *Controller) UnmarshalBody(data interface{}) {
err := json.Unmarshal(c.Ctx.Input.RequestBody, data)
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model.BizErrIsNil(err, "request body解析错误")
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}
// 校验表单数据
func (c *Controller) validForm(form interface{}) {
valid := validation.Validation{}
b, err := valid.Valid(form)
if err != nil {
panic(err)
}
if !b {
e := valid.Errors[0]
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panic(model.NewBizErr(e.Field + " " + e.Message))
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}
}
// 将请求体的json赋值给指定的结构体并校验表单数据
func (c *Controller) UnmarshalBodyAndValid(data interface{}) {
c.UnmarshalBody(data)
c.validForm(data)
}
// 返回数据
// @param checkToken 是否校验token
// @param getData 获取数据的回调函数
func (c *Controller) ReturnData(checkToken bool, getData getDataFunc) {
defer func() {
if err := recover(); err != nil {
c.parseErr(err)
}
}()
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var loginAccount *ctx.LoginAccount
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if checkToken {
loginAccount = c.CheckToken()
}
c.Success(getData(loginAccount))
}
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// 返回数据
// @param checkToken 是否校验token
// @param getData 获取数据的回调函数
func (c *Controller) ReturnDataWithPermisison(permission ctx.Permission, getData getDataFunc) {
defer func() {
if err := recover(); err != nil {
c.parseErr(err)
}
}()
var logMsg string
var loginAccount *ctx.LoginAccount
if permission.CheckToken {
loginAccount = c.CheckToken()
logMsg = fmt.Sprintf("[uid=%d, uname=%s]\n", loginAccount.Id, loginAccount.Username)
}
c.Success(getData(loginAccount))
logs.Info(logMsg)
}
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// 无返回数据的操作,如新增修改等无需返回数据的操作
// @param checkToken 是否校验token
func (c *Controller) Operation(checkToken bool, operation operationFunc) {
defer func() {
if err := recover(); err != nil {
c.parseErr(err)
}
}()
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var loginAccount *ctx.LoginAccount
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if checkToken {
loginAccount = c.CheckToken()
}
operation(loginAccount)
c.SuccessNoData()
}
// 校验token并返回登录者账号信息
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func (c *Controller) CheckToken() *ctx.LoginAccount {
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tokenStr := c.Ctx.Input.Header("Authorization")
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loginAccount, err := token.ParseToken(tokenStr)
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if err != nil || loginAccount == nil {
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panic(model.NewBizErrCode(model.TokenErrorCode, model.TokenErrorMsg))
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}
return loginAccount
}
// 获取分页参数
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func (c *Controller) GetPageParam() *model.PageParam {
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pn, err := c.GetInt("pageNum", 1)
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model.BizErrIsNil(err, "pageNum参数错误")
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ps, serr := c.GetInt("pageSize", 10)
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model.BizErrIsNil(serr, "pageSize参数错误")
return &model.PageParam{PageNum: pn, PageSize: ps}
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}
// 统一返回Result json对象
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func (c *Controller) Result(result *model.Result) {
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c.Data["json"] = result
c.ServeJSON()
}
// 返回成功结果
func (c *Controller) Success(data interface{}) {
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c.Result(model.Success(data))
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}
// 返回成功结果
func (c *Controller) SuccessNoData() {
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c.Result(model.SuccessNoData())
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}
// 返回业务错误
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func (c *Controller) BizError(bizError model.BizError) {
c.Result(model.Error(bizError.Code(), bizError.Error()))
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}
// 返回服务器错误结果
func (c *Controller) ServerError() {
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c.Result(model.ServerError())
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}
// 解析error并对不同error返回不同result
func (c *Controller) parseErr(err interface{}) {
switch t := err.(type) {
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case model.BizError:
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c.BizError(t)
break
case error:
c.ServerError()
logs.Error(t)
panic(err)
//break
case string:
c.ServerError()
logs.Error(t)
panic(err)
//break
default:
logs.Error(t)
}
}