Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | 2x 2x 2x 1x 2x 1x 1x 2x | // Book model
const { getOne, getAll, run } = require("./query");
const Book = {
async findById(bookId) {
return getOne("SELECT book_id as id, * FROM books WHERE book_id = ?", [
bookId,
]);
},
async findByIsbn(isbn) {
return getOne("SELECT * FROM books WHERE isbn = ?", [isbn]);
},
async getAll() {
return getAll("SELECT book_id as id, * FROM books ORDER BY title");
},
async search(query) {
const searchTerm = `%${query}%`;
return getAll(
"SELECT book_id as id, * FROM books WHERE title LIKE ? OR author LIKE ? OR isbn LIKE ? ORDER BY title",
[searchTerm, searchTerm, searchTerm],
);
},
async create(
isbn,
title,
author,
publisher,
publicationYear,
category,
totalCopies,
shelfLocation,
) {
return run(
"INSERT INTO books (isbn, title, author, publisher, publication_year, category, total_copies, available_copies, shelf_location) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
[
isbn,
title,
author,
publisher,
publicationYear,
category,
totalCopies,
totalCopies,
shelfLocation,
],
);
},
async update(
bookId,
isbn,
title,
author,
publisher,
publicationYear,
category,
totalCopies,
shelfLocation,
) {
return run(
"UPDATE books SET isbn = ?, title = ?, author = ?, publisher = ?, publication_year = ?, category = ?, total_copies = ?, shelf_location = ? WHERE book_id = ?",
[
isbn,
title,
author,
publisher,
publicationYear,
category,
totalCopies,
shelfLocation,
bookId,
],
);
},
async updateAvailableCopies(bookId, availableCopies) {
return run("UPDATE books SET available_copies = ? WHERE book_id = ?", [
availableCopies,
bookId,
]);
},
async delete(bookId) {
return run("DELETE FROM books WHERE book_id = ?", [bookId]);
},
async getAvailableBooks() {
return getAll(
"SELECT book_id as id, * FROM books WHERE available_copies > 0 ORDER BY title",
);
},
async getCategories() {
const result = await getAll(
"SELECT DISTINCT category FROM books WHERE category IS NOT NULL ORDER BY category",
);
return result.map((r) => r.category);
},
};
module.exports = Book;
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