#1. Create

1.FormとControllerのコミュニケーション

    form(method="POST")
        input(name="title", placeholder="Title", required, type="text")
        input(name="description", placeholder="Description", required, type="text")
        input(name="hashtags", placeholder="Hashtags, separated by comma.", required, type="text")
        input(type="submit", value="Upload Video")

export const postUpload = (req, res) => {
  const { title, description, hashtags } = req.body;
  console.log(title, description, hashtags);
  return res.redirect("/");
};

2. Create Document

const video = new Video({
    title,
    description,
    createdAt: Date.now(),
    hashtags: hashtags.split(",").map(word => `#${word}`),
    meta: {
      views: 0,
      rating: 0,
    },
});

3. Save Document in Database

1.オブジェクトの保存

await video.save();

2.Createの実行

await Video.create({
    title,
    description,
    createdAt: Date.now(),
    hashtags: hashtags.split(",").map((word) => `#${word}`),
    meta: {
      views: 0,
      rating: 0,
    },
  });

4. Try, Catch

try {
    const { title, description, hashtags } = req.body;
    await Video.create({
      title,
      description,
      createdAt: Date.now(),
      hashtags: hashtags.split(",").map((word) => `#${word}`),
      meta: {
        views: 0,
        rating: 0,
      },
    });
    return res.redirect("/");
} catch (error) {     
return res.render("upload", {
      pageTitle: "Uplaod Video",
      errorMessage: error._message,
    });
 }

#2. READ

1. Router

2. Find

  const { id } = req.params;
  const video = await Video.findById(id);