refac: renamed 'post' -> 'article'

api/controllers/article/article.go

@@ -0,0 +1,99 @@
+package article
+
+import (
+	"GoCMS/api"
+	"GoCMS/api/controllers/auth"
+	"GoCMS/domain/article"
+	"GoCMS/useCases"
+	"encoding/json"
+	"net/http"
+	"strconv"
+
+	"github.com/go-chi/chi/v5"
+)
+
+type PostArticle struct {
+	Title string `json:"title" validate:"required,min=3,max=50"`
+	Body  string `json:"body" validate:"required,max=10000"`
+}
+
+const IdUint32ErrorMessage = "The server expects the ID to be in the format of an unsigned 32-bit integer (uint32)."
+
+func getArticle(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.ParseUint(chi.URLParam(r, "id"), 10, 32)
+	if err != nil {
+		http.Error(w, IdUint32ErrorMessage, http.StatusBadRequest)
+		return
+	}
+
+	localArticle, err := api.Container.GetArticleUseCase.GetArticle(uint32(id))
+	if err != nil || !localArticle.IsOnline {
+		http.Error(w, "The requested resource, identified by its unique ID, could not be found on the server.", http.StatusNotFound)
+		return
+	}
+
+	articleJson, _ := json.Marshal(localArticle)
+	_, _ = w.Write(articleJson)
+}
+
+func postArticle(w http.ResponseWriter, r *http.Request) {
+	var localArticle PostArticle
+	err := json.NewDecoder(r.Body).Decode(&localArticle)
+	if err != nil {
+		http.Error(w, auth.BodyErrorMessage, http.StatusBadRequest)
+		return
+	}
+
+	err = api.Validate.Struct(localArticle)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	createdArticle, err := api.Container.CreateArticleUseCase.CreateArticle(useCases.CreateArticleCommand{
+		Title: localArticle.Title,
+		Body:  localArticle.Body,
+	})
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	articleJson, _ := json.Marshal(createdArticle)
+
+	_, _ = w.Write(articleJson)
+}
+
+func listArticles(w http.ResponseWriter, _ *http.Request) {
+	articles := api.Container.ListArticlesUseCase.ListArticles()
+	onlineArticles := make([]article.Article, 0)
+	for _, localArticle := range articles {
+		if localArticle.IsOnline {
+			onlineArticles = append(onlineArticles, localArticle)
+		}
+	}
+	articlesJson, _ := json.Marshal(onlineArticles)
+	_, _ = w.Write(articlesJson)
+}
+
+func deleteArticle(w http.ResponseWriter, r *http.Request) {
+	id, err := strconv.ParseUint(chi.URLParam(r, "id"), 10, 32)
+	if err != nil {
+		http.Error(w, IdUint32ErrorMessage, http.StatusBadRequest)
+	}
+
+	err = api.Container.DeleteArticleUseCase.DeleteArticle(uint32(id))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusNotFound)
+	}
+
+	_, _ = w.Write([]byte("article deleted"))
+}
+
+func NewArticleRouter() http.Handler {
+	r := chi.NewRouter()
+	r.Get("/{id}", getArticle)
+	r.Post("/", postArticle)
+	r.Get("/", listArticles)
+	r.Delete("/{id}", deleteArticle)
+	return r
+}