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118 lines
3.3 KiB
118 lines
3.3 KiB
package rest
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import (
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"fmt"
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"go/types"
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"net/http"
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"github.com/eyebluecn/tank/code/core"
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"github.com/eyebluecn/tank/code/tool/i18n"
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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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jsoniter "github.com/json-iterator/go"
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)
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type BaseController struct {
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BaseBean
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userDao *UserDao
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sessionDao *SessionDao
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}
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func (this *BaseController) Init() {
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this.BaseBean.Init()
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b := core.CONTEXT.GetBean(this.userDao)
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if b, ok := b.(*UserDao); ok {
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this.userDao = b
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}
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b = core.CONTEXT.GetBean(this.sessionDao)
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if b, ok := b.(*SessionDao); ok {
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this.sessionDao = b
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}
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}
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func (this *BaseController) RegisterRoutes() map[string]func(writer http.ResponseWriter, request *http.Request) {
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return make(map[string]func(writer http.ResponseWriter, request *http.Request))
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}
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// handle some special routes, eg. params in the url.
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func (this *BaseController) HandleRoutes(writer http.ResponseWriter, request *http.Request) (func(writer http.ResponseWriter, request *http.Request), bool) {
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return nil, false
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}
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// wrap the handle method.
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func (this *BaseController) Wrap(f func(writer http.ResponseWriter, request *http.Request) *result.WebResult, qualifiedRole string) func(w http.ResponseWriter, r *http.Request) {
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return func(writer http.ResponseWriter, request *http.Request) {
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var webResult *result.WebResult = nil
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//if the api not annotated with GUEST. login is required.
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if qualifiedRole != USER_ROLE_GUEST {
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user := this.checkUser(request)
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if user.Status == USER_STATUS_DISABLED {
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//check user's status
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webResult = result.CustomWebResultI18n(request, result.USER_DISABLED, i18n.UserDisabled)
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} else {
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if qualifiedRole == USER_ROLE_ADMINISTRATOR && user.Role != USER_ROLE_ADMINISTRATOR {
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webResult = result.ConstWebResult(result.UNAUTHORIZED)
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} else {
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webResult = f(writer, request)
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}
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}
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} else {
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webResult = f(writer, request)
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}
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//if webResult not nil. response a json. if webResult is nil, return empty body or binary content.
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if webResult != nil {
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writer.Header().Set("Content-Type", "application/json;charset=UTF-8")
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//by han: hx frontend's code is number
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var resultEx result.WebResultEx
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resultEx.Code = result.FetchHttpStatus(webResult.Code)
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resultEx.Msg = webResult.Msg
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resultEx.Data = webResult.Data
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b, err := jsoniter.ConfigCompatibleWithStandardLibrary.Marshal(resultEx)
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this.PanicError(err)
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writer.WriteHeader(result.FetchHttpStatus(webResult.Code))
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_, err = fmt.Fprintf(writer, string(b))
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this.PanicError(err)
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}
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}
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}
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// response a success result. 1.string 2. WebResult 3.nil pointer 4.any type
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func (this *BaseController) Success(data interface{}) *result.WebResult {
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var webResult *result.WebResult = nil
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if value, ok := data.(string); ok {
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//a simple message
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webResult = &result.WebResult{Code: result.OK.Code, Msg: value}
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} else if value, ok := data.(*result.WebResult); ok {
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//a webResult
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webResult = value
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} else if _, ok := data.(types.Nil); ok {
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//nil pointer means OK.
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webResult = result.ConstWebResult(result.OK)
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} else {
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//other type.
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webResult = &result.WebResult{Code: result.OK.Code, Data: data}
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}
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return webResult
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}
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// allow cors.
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func (this *BaseController) allowCORS(writer http.ResponseWriter) {
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util.AllowCORS(writer)
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}
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