43 lines
1.3 KiB
Go
43 lines
1.3 KiB
Go
package api
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import (
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"encoding/json"
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"github.com/gorilla/mux"
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"log"
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"net/http"
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)
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// NewRouter returns an HTTP handler (http.Handler) which can be
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// used by the net/http package to serve the routes of our API. It
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// always returns a router for the newest version of our API. We
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// use gorilla/mux because it is more convenient than net/http, e.g.
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// when extracting path parameters.
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func NewRouter() *mux.Router {
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router := mux.NewRouter()
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// this can later be restricted to a specific host with
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// `router.Host(...)` and to HTTPS with `router.Schemes("https")`
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return newRouterV1(router)
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}
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// newRouterV1 returns a subrouter containing the routes of version
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// 1 of our API.
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func newRouterV1(router *mux.Router) *mux.Router {
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v1 := router.PathPrefix("/api/v1").Subrouter()
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v1.HandleFunc("/health", Health).Methods(http.MethodGet)
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return v1
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}
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func writeJson(writer http.ResponseWriter, content interface{}) {
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writer.Header().Set("Content-Type", "application/json")
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response, err := json.Marshal(content)
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if err != nil {
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log.Printf("JSON marshal error: %v\n", err)
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http.Error(writer, err.Error(), http.StatusInternalServerError)
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return
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}
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if _, err := writer.Write(response); err != nil {
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log.Printf("Error writing JSON to response: %v\n", err)
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http.Error(writer, err.Error(), http.StatusInternalServerError)
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}
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}
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