initial commit on github

v1/news_routes.go

@@ -0,0 +1,107 @@
+package v1
+
+import (
+	"encoding/json"
+	"github.com/gorilla/mux"
+	"net/http"
+	"strconv"
+)
+
+func RegisterNewsRoutes(r *mux.Router) {
+	r.HandleFunc("/news", resolveNews).Methods("GET", "OPTIONS", "POST")
+	r.HandleFunc("/news/{id:[0-9]+}", resolvePost).Methods("GET", "OPTIONS", "PUT", "DELETE")
+}
+
+func resolveNews(w http.ResponseWriter, r *http.Request) {
+	if r.Method == http.MethodGet {
+		q := r.URL.Query()
+
+		offset, _ := strconv.Atoi(q.Get("offset"))
+		limit, _ := strconv.Atoi(q.Get("limit"))
+		if limit == 0 {
+			limit = 20
+		}
+
+		total, err := FetchTotalNews()
+		if err != nil {
+			Error(w, err)
+			return
+		}
+
+		pagination := map[string]interface{}{
+			"offset": offset,
+			"limit": limit,
+			"total": total,
+		}
+
+		news, err := FetchNews(offset, limit)
+		ResponsePagination(w, err, news, pagination)
+	} else if r.Method == http.MethodPost {
+		body, err := ReadBody(r)
+		if err != nil {
+			Error(w, err)
+			return
+		}
+
+		post := new(Post)
+		err = json.Unmarshal(body, post)
+		if err != nil {
+			Error(w, err)
+			return
+		}
+
+		uid, err := GetCurrentUserID(r)
+		if err != nil {
+			Error(w, err)
+			return
+		}
+
+		post.AuthorID = uid
+
+		createdPost, err := CreatePost(post)
+		Response(w, err, createdPost)
+	}
+}
+
+func resolvePost(w http.ResponseWriter, r *http.Request) {
+	vars := mux.Vars(r)
+	id, _ := strconv.Atoi(vars["id"])
+
+	if r.Method == http.MethodGet {
+		post, err := FetchPost(id)
+		Response(w, err, post)
+	} else if r.Method == http.MethodPut {
+		body, err := ReadBody(r)
+		if err != nil {
+			Error(w, err)
+			return
+		}
+
+		post, err := FetchPost(id)
+		if err != nil {
+			Error(w, err)
+			return
+		}
+
+		err = json.Unmarshal(body, post)
+		if err != nil {
+			Error(w, err)
+			return
+		}
+
+		err = UpdatePost(post)
+		if err != nil {
+			Error(w, err)
+			return
+		}
+
+		w.WriteHeader(http.StatusNoContent)
+	} else if r.Method == http.MethodDelete {
+		err := DeletePost(id)
+		if err != nil {
+			Error(w, err)
+			return
+		}
+		w.WriteHeader(http.StatusNoContent)
+	}
+}