86 lines
2.4 KiB
Go
86 lines
2.4 KiB
Go
package api
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import (
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"context"
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"encoding/json"
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"net/http"
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log "github.com/Sirupsen/logrus" // TODO-Bad
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libsession "dev.sum7.eu/sum7/warehost/lib/session"
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)
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// Handle with response
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type Handle func(w http.ResponseWriter, r *http.Request)
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// ErrorResult struct for api error answer
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type ErrorResult struct {
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Fields []string `json:"fields"`
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Message string `json:"msg"`
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}
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// JSONResult struct for api answer
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type JSONResult struct {
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Data interface{} `json:"data"`
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Error *ErrorResult `json:"error,omitempty"`
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Session struct {
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Login interface{} `json:"login,omitempty"`
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Profil map[string]interface{} `json:"profil,omitempty"`
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} `json:"session,omitempty"`
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}
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// SessionHandler Handler to manage session of api request
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func SessionHandler(h Handle) Handle {
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return func(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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sess := libsession.SessionStart(w, r)
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ctx = context.WithValue(ctx, "session", sess)
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r = r.WithContext(ctx)
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h(w, r)
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}
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}
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// JSONWrite generate default json answer
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func JSONWrite(w http.ResponseWriter, r *http.Request, data interface{}, errorresult *ErrorResult) {
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ctx := r.Context()
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sess := ctx.Value("session").(libsession.Session)
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result := JSONResult{Data: data, Error: errorresult}
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result.Session.Login = sess.Get("login")
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js, err := json.Marshal(result)
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if err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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if origin := r.Header.Get("Origin"); origin != "" {
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w.Header().Set("Access-Control-Allow-Origin", origin)
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}
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w.Header().Set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, PUT, DELETE")
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w.Header().Set("Access-Control-Allow-Headers", "Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization")
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w.Header().Set("Access-Control-Allow-Credentials", "true")
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w.Write(js)
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}
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//JSONDecoder handle complete request of JSON
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func JSONDecoder(w http.ResponseWriter, r *http.Request, logger *log.Entry, data interface{}) (returnerr *ErrorResult) {
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if r.Header.Get("Content-Type") != "application/json" {
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logger.Error("fetch wrong request type")
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returnerr = &ErrorResult{
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Message: "Internal Request Error",
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}
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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err := json.NewDecoder(r.Body).Decode(data)
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if err != nil {
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logger.Error("fetch request")
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returnerr = &ErrorResult{
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Message: "Internal Request Error",
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}
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w.WriteHeader(http.StatusBadRequest)
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return
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}
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return nil
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}
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