Ajout initial des fichiers de la version mysal

controllers/comments.js

@@ -0,0 +1,120 @@
+const Comment = require("../models/Comment");
+const Article = require("../models/Article");
+const User = require("../models/User");
+const asyncHandler = require("../middlewares/asyncHandler");
+const { appendFollowers } = require("../util/helpers");
+const ErrorResponse = require("../util/errorResponse");
+
+module.exports.getComments = asyncHandler(async (req, res, next) => {
+  const { slug } = req.params;
+  const { loggedUser } = req;
+
+  const article = await Article.findOne({
+    where: { slug: slug },
+  });
+
+  if (!article) return next(new ErrorResponse("Article not found", 404));
+
+  const comments = await article.getComments({
+    include: [
+      {
+        model: User,
+        as: "author",
+        attributes: ["username", "bio", "image"],
+      },
+    ],
+  });
+
+  for (let comment of comments) {
+    await appendFollowers(loggedUser, comment);
+  }
+
+  res.status(200).json({ comments });
+});
+
+module.exports.getComment = asyncHandler(async (req, res, next) => {
+  const { slug, id } = req.params;
+  const { loggedUser } = req;
+
+  const article = await Article.findOne({
+    where: { slug: slug },
+  });
+
+  if (!article) return next(new ErrorResponse("Article not found", 404));
+
+  const comment = await Comment.findOne({
+    where: { id: id },
+    include: [
+      {
+        model: User,
+        as: "author",
+        attributes: ["username", "bio", "image"],
+      },
+    ],
+  });
+  if (!comment) return next(new ErrorResponse("Comment not found", 404));
+
+  await appendFollowers(loggedUser, comment);
+
+  res.status(200).json({ comment });
+});
+
+module.exports.createComment = asyncHandler(async (req, res, next) => {
+  const { body } = req.body.comment;
+  const { slug } = req.params;
+  const { loggedUser } = req;
+
+  fieldValidation(body, next);
+
+  const article = await Article.findOne({
+    where: { slug: slug },
+    include: [
+      { model: User, as: "author", attributes: ["username", "bio", "image"] },
+    ],
+  });
+
+  if (!article) return next(new ErrorResponse("Article not found", 404));
+
+  const comment = await Comment.create({
+    body: body,
+    articleId: article.id,
+    authorId: loggedUser.id,
+  });
+
+  delete loggedUser.dataValues.token;
+  await appendFollowers(loggedUser, loggedUser);
+
+  comment.dataValues.author = loggedUser;
+
+  res.status(201).json({ comment });
+});
+
+module.exports.deleteComment = asyncHandler(async (req, res, next) => {
+  const { slug, id } = req.params;
+  const { loggedUser } = req;
+
+  const article = await Article.findOne({
+    where: { slug: slug },
+  });
+
+  if (!article) return next(new ErrorResponse("Article not found", 404));
+
+  const comment = await Comment.findOne({
+    where: { id: id },
+  });
+
+  if (!comment) return next(new ErrorResponse("Comment not found", 404));
+
+  if (comment.authorId !== loggedUser.id)
+    return next(new ErrorResponse("Unauthorized", 401));
+
+  await comment.destroy();
+
+  res.status(200).json({ comment });
+});
+
+const fieldValidation = (field, next) => {
+  if (!field) {
+    return next(new ErrorResponse(`Missing fields`, 400));
+  }
+};