book delete

felixtanhm · Apr 17, 2024 · bafd277 · bafd277
1 parent 6359c02
commit bafd277
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Showing 2 changed files with 67 additions and 2 deletions.
diff --git a/full-stack-javascript/20-forms-and-deployment/controllers/bookController.js b/full-stack-javascript/20-forms-and-deployment/controllers/bookController.js
@@ -173,7 +173,20 @@ exports.book_create_post = [
 // Display book delete form on GET.
 exports.book_delete_get = async function (req, res, next) {
   try {
-    res.send("NOT IMPLEMENTED: Book delete GET");
+    const [book, allBookCopies] = await Promise.all([
+      Book.findById(req.params.id).populate("author").exec(),
+      BookInstance.find({ book: req.params.id }).exec(),
+    ]);
+
+    if (book === null) {
+      res.redirect("/catalog/books");
+    }
+
+    res.render("book_delete", {
+      title: "Delete Book",
+      book,
+      book_copies: allBookCopies,
+    });
   } catch (error) {
     return next(error);
   }
@@ -182,7 +195,22 @@ exports.book_delete_get = async function (req, res, next) {
 // Handle book delete on POST.
 exports.book_delete_post = async function (req, res, next) {
   try {
-    res.send("NOT IMPLEMENTED: Book delete POST");
+    const [book, allBookCopies] = await Promise.all([
+      Book.findById(req.params.id).exec(),
+      BookInstance.find({ book: req.params.id }).exec(),
+    ]);
+
+    if (allBookCopies.length > 0) {
+      res.render("book_delete", {
+        title: "Delete Book",
+        book,
+        book_copies: allBookCopies,
+      });
+      return;
+    } else {
+      await Book.findByIdAndDelete(req.body.bookid);
+      res.redirect("/catalog/books");
+    }
   } catch (error) {
     return next(error);
   }

diff --git a/full-stack-javascript/20-forms-and-deployment/views/book_delete.ejs b/full-stack-javascript/20-forms-and-deployment/views/book_delete.ejs
@@ -0,0 +1,37 @@
+<!DOCTYPE html>
+<html>
+  <%- include('./partials/header') %>
+  <body>
+    <%- include('./partials/nav.ejs') %>
+    <main>
+      <div class="content">
+        <h1>Book: <%= book.title %></h1>
+        <p><%= book.author.name %></p>
+        <p><%= book.summary %></p>
+        <br />
+        <% if (book_copies.length) { %>
+        <p>
+          Delete the following book copies before attempting to delete this
+          book.
+        </p>
+        <h2>Book Copies</h2>
+        <% book_copies.forEach(copy => { %>
+        <a class="text-success" href="<%= copy.url %>"><%= copy.id %></a>
+        <p>Imprint: <%= copy.imprint %></p>
+        <% }) %> <% } else { %>
+        <p>Do you really want to delete this Book?</p>
+        <form action="" method="post">
+          <input
+            type="hidden"
+            name="bookid"
+            id="bookid"
+            value="<%= book._id %>"
+          />
+          <button type="submit">Delete</button>
+        </form>
+        <% } %>
+      </div>
+      <%- include('./partials/footer') %>
+    </main>
+  </body>
+</html>