forked from Mirrors/jsonapi
115 lines
2.9 KiB
Go
115 lines
2.9 KiB
Go
package main
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import (
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"net/http"
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"strconv"
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"github.com/google/jsonapi"
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)
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const (
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headerAccept = "Accept"
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headerContentType = "Content-Type"
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)
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// ExampleHandler is the handler we are using to demonstrate building an HTTP
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// server with the jsonapi library.
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type ExampleHandler struct{}
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func (h *ExampleHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if r.Header.Get(headerAccept) != jsonapi.MediaType {
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http.Error(w, "Unsupported Media Type", http.StatusUnsupportedMediaType)
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}
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var methodHandler http.HandlerFunc
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switch r.Method {
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case http.MethodPost:
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methodHandler = h.createBlog
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case http.MethodPut:
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methodHandler = h.echoBlogs
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case http.MethodGet:
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if r.FormValue("id") != "" {
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methodHandler = h.showBlog
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} else {
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methodHandler = h.listBlogs
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}
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default:
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http.Error(w, "Not Found", http.StatusNotFound)
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return
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}
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methodHandler(w, r)
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}
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func (h *ExampleHandler) createBlog(w http.ResponseWriter, r *http.Request) {
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jsonapiRuntime := jsonapi.NewRuntime().Instrument("blogs.create")
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blog := new(Blog)
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if err := jsonapiRuntime.UnmarshalPayload(r.Body, blog); 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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// ...do stuff with your blog...
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w.WriteHeader(http.StatusCreated)
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w.Header().Set(headerContentType, jsonapi.MediaType)
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if err := jsonapiRuntime.MarshalPayload(w, blog); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h *ExampleHandler) echoBlogs(w http.ResponseWriter, r *http.Request) {
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jsonapiRuntime := jsonapi.NewRuntime().Instrument("blogs.list")
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// ...fetch your blogs, filter, offset, limit, etc...
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// but, for now
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blogs := fixtureBlogsList()
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w.WriteHeader(http.StatusOK)
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w.Header().Set(headerContentType, jsonapi.MediaType)
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if err := jsonapiRuntime.MarshalPayload(w, blogs); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h *ExampleHandler) showBlog(w http.ResponseWriter, r *http.Request) {
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id := r.FormValue("id")
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// ...fetch your blog...
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intID, err := strconv.Atoi(id)
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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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jsonapiRuntime := jsonapi.NewRuntime().Instrument("blogs.show")
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// but, for now
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blog := fixtureBlogCreate(intID)
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w.WriteHeader(http.StatusOK)
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w.Header().Set(headerContentType, jsonapi.MediaType)
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if err := jsonapiRuntime.MarshalPayload(w, blog); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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func (h *ExampleHandler) listBlogs(w http.ResponseWriter, r *http.Request) {
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jsonapiRuntime := jsonapi.NewRuntime().Instrument("blogs.list")
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// ...fetch your blogs, filter, offset, limit, etc...
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// but, for now
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blogs := fixtureBlogsList()
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w.Header().Set("Content-Type", jsonapi.MediaType)
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w.WriteHeader(http.StatusOK)
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if err := jsonapiRuntime.MarshalPayload(w, blogs); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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}
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}
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