Finalizado delete, Adicionado update Livro

Dia 59 até 62 - Node - Proj Biblioteca/controllers/bookController.js

@@ -190,18 +190,216 @@ exports.book_create_post = [
 ];
 
 // Display book delete form on GET.
-exports.book_delete_get = function (req, res) {
-  res.send("NOT IMPLEMENTED: Book delete GET");
+exports.book_delete_get = function (req, res, next) {
+  async.parallel(
+    {
+      book: function (callback) {
+        Book.findById(req.params.id).exec(callback);
+      },
+      books_books: function (callback) {
+        BookInstance.find({ book: req.params.id }).exec(callback);
+      },
+    },
+    function (err, results) {
+      if (err) {
+        return next(err);
+      }
+      if (results.book == null) {
+        // No results.
+        res.redirect("/catalog/books");
+      }
+      // Successful, so render.
+      res.render("book_delete", {
+        title: "Delete Book",
+        book: results.book,
+        book_books: results.books_books,
+      });
+    }
+  );
 };
+
 // Handle book delete on POST.
-exports.book_delete_post = function (req, res) {
-  res.send("NOT IMPLEMENTED: Book delete POST");
+exports.book_delete_post = function (req, res, next) {
+  async.parallel(
+    {
+      book: function (callback) {
+        Book.findById(req.body.bookid).exec(callback);
+      },
+      books_books: function (callback) {
+        BookInstance.find({ book: req.body.bookid }).exec(callback);
+      },
+    },
+    function (err, results) {
+      if (err) {
+        return next(err);
+      }
+      // Success
+      if (results.books_books.length > 0) {
+        // Book has books. Render in same way as for GET route.
+        res.render("author_delete", {
+          title: "Delete Book",
+          book: results.book,
+          book_books: results.books_books,
+        });
+        return;
+      } else {
+        // Book has no books. Delete object and redirect to the list of books.
+        Book.findByIdAndRemove(req.body.bookid, function deleteAuthor(err) {
+          if (err) {
+            return next(err);
+          }
+          // Success - go to book list
+          res.redirect("/catalog/books");
+        });
+      }
+    }
+  );
 };
+
+// Display book update form on GET.
 // Display book update form on GET.
-exports.book_update_get = function (req, res) {
-  res.send("NOT IMPLEMENTED: Book update GET");
+exports.book_update_get = function (req, res, next) {
+  // Get book, authors and genres for form.
+  async.parallel(
+    {
+      book: function (callback) {
+        Book.findById(req.params.id)
+          .populate("author")
+          .populate("genre")
+          .exec(callback);
+      },
+      authors: function (callback) {
+        Author.find(callback);
+      },
+      genres: function (callback) {
+        Genre.find(callback);
+      },
+    },
+    function (err, results) {
+      if (err) {
+        return next(err);
+      }
+      if (results.book == null) {
+        // No results.
+        var err = new Error("Book not found");
+        err.status = 404;
+        return next(err);
+      }
+      // Success.
+      // Mark our selected genres as checked.
+      for (
+        var all_g_iter = 0;
+        all_g_iter < results.genres.length;
+        all_g_iter++
+      ) {
+        for (
+          var book_g_iter = 0;
+          book_g_iter < results.book.genre.length;
+          book_g_iter++
+        ) {
+          if (
+            results.genres[all_g_iter]._id.toString() ===
+            results.book.genre[book_g_iter]._id.toString()
+          ) {
+            results.genres[all_g_iter].checked = "true";
+          }
+        }
+      }
+      res.render("book_form", {
+        title: "Update Book",
+        authors: results.authors,
+        genres: results.genres,
+        book: results.book,
+      });
+    }
+  );
 };
+
 // Handle book update on POST.
-exports.book_update_post = function (req, res) {
-  res.send("NOT IMPLEMENTED: Book update POST");
-};
+exports.book_update_post = [
+  // Convert the genre to an array
+  (req, res, next) => {
+    if (!(req.body.genre instanceof Array)) {
+      if (typeof req.body.genre === "undefined") req.body.genre = [];
+      else req.body.genre = new Array(req.body.genre);
+    }
+    next();
+  },
+
+  // Validate and sanitise fields.
+  body("title", "Title must not be empty.")
+    .trim()
+    .isLength({ min: 1 })
+    .escape(),
+  body("author", "Author must not be empty.")
+    .trim()
+    .isLength({ min: 1 })
+    .escape(),
+  body("summary", "Summary must not be empty.")
+    .trim()
+    .isLength({ min: 1 })
+    .escape(),
+  body("isbn", "ISBN must not be empty").trim().isLength({ min: 1 }).escape(),
+  body("genre.*").escape(),
+
+  // Process request after validation and sanitization.
+  (req, res, next) => {
+    // Extract the validation errors from a request.
+    const errors = validationResult(req);
+
+    // Create a Book object with escaped/trimmed data and old id.
+    var book = new Book({
+      title: req.body.title,
+      author: req.body.author,
+      summary: req.body.summary,
+      isbn: req.body.isbn,
+      genre: typeof req.body.genre === "undefined" ? [] : req.body.genre,
+      _id: req.params.id, //This is required, or a new ID will be assigned!
+    });
+
+    if (!errors.isEmpty()) {
+      // There are errors. Render form again with sanitized values/error messages.
+
+      // Get all authors and genres for form.
+      async.parallel(
+        {
+          authors: function (callback) {
+            Author.find(callback);
+          },
+          genres: function (callback) {
+            Genre.find(callback);
+          },
+        },
+        function (err, results) {
+          if (err) {
+            return next(err);
+          }
+
+          // Mark our selected genres as checked.
+          for (let i = 0; i < results.genres.length; i++) {
+            if (book.genre.indexOf(results.genres[i]._id) > -1) {
+              results.genres[i].checked = "true";
+            }
+          }
+          res.render("book_form", {
+            title: "Update Book",
+            authors: results.authors,
+            genres: results.genres,
+            book: book,
+            errors: errors.array(),
+          });
+        }
+      );
+      return;
+    } else {
+      // Data from form is valid. Update the record.
+      Book.findByIdAndUpdate(req.params.id, book, {}, function (err, thebook) {
+        if (err) {
+          return next(err);
+        }
+        // Successful - redirect to book detail page.
+        res.redirect(thebook.url);
+      });
+    }
+  },
+];

Dia 59 até 62 - Node - Proj Biblioteca/controllers/bookinstanceController.js

@@ -1,5 +1,6 @@
 var BookInstance = require("../models/bookinstance");
 const { body, validationResult } = require("express-validator");
+const async = require("async");
 var Book = require("../models/book");
 
 // Display list of all BookInstances.
@@ -111,12 +112,53 @@ exports.bookinstance_create_post = [
 ];
 
 // Display BookInstance delete form on GET.
-exports.bookinstance_delete_get = function (req, res) {
-  res.send("NOT IMPLEMENTED: BookInstance delete GET");
+exports.bookinstance_delete_get = function (req, res, next) {
+  async.parallel(
+    {
+      bookinstance: function (callback) {
+        BookInstance.findById(req.params.id).exec(callback);
+      },
+    },
+    function (err, results) {
+      if (err) {
+        return next(err);
+      }
+      if (results.bookinstance == null) {
+        // No results.
+        res.redirect("/catalog/bookinstances");
+      }
+      // Successful, so render.
+      res.render("bookinstance_delete", {
+        title: "Delete Book Instance",
+        book: results.book,
+        bookinstance: results.bookinstance,
+      });
+    }
+  );
 };
 // Handle BookInstance delete on POST.
-exports.bookinstance_delete_post = function (req, res) {
-  res.send("NOT IMPLEMENTED: BookInstance delete POST");
+exports.bookinstance_delete_post = function (req, res, next) {
+  async.parallel(
+    {
+      bookinstance: function (callback) {
+        BookInstance.findById(req.body.bookinstanceid).exec(callback);
+      },
+    },
+    function (err, results) {
+      if (err) {
+        return next(err);
+      }
+      // Success
+      // Delete object and redirect to the list of book Instances.
+      BookInstance.findByIdAndRemove(req.body.bookinstanceid, function deleteBookinstance(err) {
+        if (err) {
+          return next(err);
+        }
+        // Success - go to book list
+        res.redirect("/catalog/bookinstances");
+      });
+    }
+  );
 };
 // Display BookInstance update form on GET.
 exports.bookinstance_update_get = function (req, res) {

Dia 59 até 62 - Node - Proj Biblioteca/controllers/genreController.js

@@ -109,7 +109,6 @@ exports.genre_delete_get = function (req, res, next) {
       },
     },
     function (err, results) {
-      console.log(results.genre_books);
       if (err) {
         return next(err);
       }
@@ -128,9 +127,43 @@ exports.genre_delete_get = function (req, res, next) {
 };
 
 // Handle Genre delete on POST.
-exports.genre_delete_post = function (req, res) {
-  res.send("NOT IMPLEMENTED: Genre delete POST");
+exports.genre_delete_post = function (req, res, next) {
+  async.parallel(
+    {
+      genre: function (callback) {
+        Genre.findById(req.body.genreid).exec(callback);
+      },
+      genre_books: function (callback) {
+        Book.find({ genre: req.body.genreid }).exec(callback);
+      },
+    },
+    function (err, results) {
+      if (err) {
+        return next(err);
+      }
+      // Success
+      if (results.genre_books.length > 0) {
+        // Genre has books. Render in same way as for GET route.
+        res.render("genre_delete", {
+          title: "Delete Genre",
+          author: results.genre,
+          author_books: results.genre_books,
+        });
+        return;
+      } else {
+        // Genre has no books. Delete object and redirect to the list of Genres.
+        Genre.findByIdAndRemove(req.body.genreid, function deleteGenre(err) {
+          if (err) {
+            return next(err);
+          }
+          // Success - go to author list
+          res.redirect("/catalog/genres");
+        });
+      }
+    }
+  );
 };
+
 // Display Genre update form on GET.
 exports.genre_update_get = function (req, res) {
   res.send("NOT IMPLEMENTED: Genre update GET");

Dia 59 até 62 - Node - Proj Biblioteca/views/book_delete.pug

@@ -0,0 +1,26 @@
+extends layout
+
+block content
+  h1 #{title}: #{book.title}
+
+  if book_books.length
+
+    p #[strong Delete the following books instances before attempting to delete this book.]
+
+    div(style='margin-left:20px;margin-top:20px')
+
+      h4 Books
+
+      dl
+      each booki in book_books
+        dt
+          a(href=booki.url) #{book.title}
+
+  else
+    p Do you really want to delete this Book?
+
+    form(method='POST' action='')
+      div.form-group
+        input#bookid.form-control(type='hidden',name='bookid', required='true', value=book._id )
+
+      button.btn.btn-primary(type='submit') Delete

Dia 59 até 62 - Node - Proj Biblioteca/views/book_detail.pug

@@ -31,4 +31,9 @@ block content
         a(href=val.url) #{val._id}
 
     else
-      p There are no copies of this book in the library.
+      p There are no copies of this book in the library.
+    hr
+    p
+      a(href=book.url+'/delete') Delete Book
+    p
+      a(href=book.url+'/update') Update Book