feat: go-chi and first routes setup

api/article.go

@@ -3,12 +3,57 @@ package api
 import (
 	. "GohCMS2/domain/article"
 	. "GohCMS2/useCases"
+	"encoding/json"
+	"github.com/go-chi/chi/v5"
+	"net/http"
+	"strconv"
 )
 
-func GetArticle(id int) Article {
-	return container.GetArticleUseCase.GetArticle(id)
+func getArticle(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.Atoi(chi.URLParam(r, "id"))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusNotFound)
+		return
+	}
+
+	article := container.GetArticleUseCase.GetArticle(id)
+	articleJson, err := json.Marshal(article)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusNotFound)
+		return
+	}
+
+	_, _ = w.Write(articleJson)
 }
 
-func CreateArticle(title string, body string) Article {
-	return container.CreateArticleUseCase.CreateAarticle(CreateArticleCommand{Title: title, Body: body})
+func postArticle(w http.ResponseWriter, r *http.Request) {
+	var article Article
+	err := json.NewDecoder(r.Body).Decode(&article)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	createdArticle := container.CreateArticleUseCase.CreateAarticle(CreateArticleCommand{
+		Title: article.Title,
+		Body:  article.Body,
+	})
+	articleJson, _ := json.Marshal(createdArticle)
+
+	_, _ = w.Write(articleJson)
+}
+
+func listArticles(w http.ResponseWriter, _ *http.Request) {
+	articles := container.ListArticlesUseCase.ListArticles()
+	articlesJson, _ := json.Marshal(articles)
+
+	_, _ = w.Write(articlesJson)
+}
+
+func NewArticleRouter() http.Handler {
+	r := chi.NewRouter()
+	r.Get("/{id}", getArticle)
+	r.Post("/", postArticle)
+	r.Get("/", listArticles)
+	return r
 }