feat: initial commit

2025-03-31 16:17:35 +01:00
commit 6719f8a61a
91 changed files with 7119 additions and 0 deletions
@@ -0,0 +1,197 @@
+package main
+
+import (
+	"errors"
+	"net/http"
+	"strconv"
+
+	"github.com/FernandoVideira/LK_API_Temp/internal/store"
+	"github.com/go-chi/chi/v5"
+)
+
+type postKey string
+
+const postCtx postKey = "post"
+
+type CreatePostPayload struct {
+	Title   string   `json:"title" validate:"required,max=100"`
+	Content string   `json:"content" validate:"required,max=1000"`
+	Tags    []string `json:"tags"`
+}
+
+// CreatePost godoc
+//
+//	@Summary		Creates a new Post
+//	@Description	Creates a new Post
+//	@Tags			posts
+//	@Accept			json
+//	@Produce		json
+//	@Param			in	body		CreatePostPayload	true	"Post Payload"
+//	@Success		200	{object}	store.Post
+//	@Failure		400	{object}	error
+//	@Failure		404	{object}	error
+//	@Failure		500	{object}	error
+//	@Security		ApiKeyAuth
+//	@Router			/posts [post]
+func (api *api) createPostHandler(w http.ResponseWriter, r *http.Request) {
+	var payload CreatePostPayload
+	if err := readJSON(w, r, &payload); err != nil {
+		api.badRequestError(w, r, err)
+		return
+	}
+
+	if err := Validate.Struct(payload); err != nil {
+		api.badRequestError(w, r, err)
+		return
+	}
+
+	user := getUserFromContext(r)
+
+	post := &store.Post{
+		UserID:  user.ID,
+		Title:   payload.Title,
+		Content: payload.Content,
+		Tags:    payload.Tags,
+	}
+
+	ctx := r.Context()
+
+	if err := api.store.Posts.Create(ctx, post); err != nil {
+		api.internalServerError(w, r, err)
+		return
+	}
+
+	if err := api.jsonResponse(w, http.StatusCreated, post); err != nil {
+		api.internalServerError(w, r, err)
+		return
+	}
+}
+
+// GetPost godoc
+//
+//	@Summary		Fetches a Post
+//	@Description	Fetches a Post by ID
+//	@Tags			posts
+//	@Accept			json
+//	@Produce		json
+//	@Param			id	path		int	true	"Post ID"
+//	@Success		200	{object}	store.Post
+//	@Failure		400	{object}	error
+//	@Failure		404	{object}	error
+//	@Failure		500	{object}	error
+//	@Security		ApiKeyAuth
+//	@Router			/posts/{id} [get]
+func (api *api) getPostHandler(w http.ResponseWriter, r *http.Request) {
+	post := getPostFromContext(r)
+
+	comments, err := api.store.Comments.GetByPostID(r.Context(), post.ID)
+	if err != nil {
+		api.internalServerError(w, r, err)
+		return
+	}
+
+	post.Comments = comments
+
+	if err := api.jsonResponse(w, http.StatusOK, post); err != nil {
+		api.internalServerError(w, r, err)
+		return
+	}
+}
+
+type UpdatePostPayload struct {
+	Title   *string `json:"title" validate:"omitempty,max=100"`
+	Content *string `json:"content" validate:"omitempty,max=1000"`
+}
+
+// UpdatePost godoc
+//
+//	@Summary		Update a Post
+//	@Description	Update a Post by ID
+//	@Tags			posts
+//	@Accept			json
+//	@Produce		json
+//	@Param			id	path		int					true	"Post ID"
+//	@Param			in	body		UpdatePostPayload	true	"Post Payload"
+//	@Success		200	{object}	store.Post
+//	@Failure		400	{object}	error
+//	@Failure		404	{object}	error
+//	@Failure		500	{object}	error
+//	@Security		ApiKeyAuth
+//	@Router			/posts/{id} [patch]
+func (api *api) updatePostHandler(w http.ResponseWriter, r *http.Request) {
+	post := getPostFromContext(r)
+
+	var payload UpdatePostPayload
+	if err := readJSON(w, r, &payload); err != nil {
+		api.badRequestError(w, r, err)
+		return
+	}
+
+	if err := Validate.Struct(payload); err != nil {
+		api.badRequestError(w, r, err)
+		return
+	}
+
+	if payload.Content != nil {
+		post.Content = *payload.Content
+	}
+
+	if payload.Title != nil {
+		post.Title = *payload.Title
+	}
+
+	if err := api.store.Posts.Update(r.Context(), post); err != nil {
+		switch {
+		case errors.Is(err, store.ErrNotFound):
+			api.conflictError(w, r, err)
+		default:
+			api.internalServerError(w, r, err)
+		}
+		return
+	}
+
+	if err := api.jsonResponse(w, http.StatusOK, post); err != nil {
+		api.internalServerError(w, r, err)
+		return
+	}
+}
+
+// DeletePost godoc
+//
+//	@Summary		Deletes a Post
+//	@Description	Deletse a Post by ID
+//	@Tags			posts
+//	@Accept			json
+//	@Produce		json
+//	@Param			id	path		int	true	"Post ID"
+//	@Success		204	{object}	string
+//	@Failure		404	{object}	error
+//	@Failure		500	{object}	error
+//	@Security		ApiKeyAuth
+//	@Router			/posts/{id} [delete]
+func (api *api) deletePostHandler(w http.ResponseWriter, r *http.Request) {
+	idParam := chi.URLParam(r, "id")
+	id, err := strconv.ParseInt(idParam, 10, 64)
+	if err != nil {
+		api.badRequestError(w, r, err)
+		return
+	}
+	ctx := r.Context()
+
+	if err := api.store.Posts.Delete(ctx, id); err != nil {
+		switch {
+		case errors.Is(err, store.ErrNotFound):
+			api.notFoundError(w, r, err)
+		default:
+			api.internalServerError(w, r, err)
+		}
+		return
+	}
+
+	w.WriteHeader(http.StatusNoContent)
+}
+
+func getPostFromContext(r *http.Request) *store.Post {
+	post, _ := r.Context().Value(postCtx).(*store.Post)
+	return post
+}