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krallj repo #34

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f2b45fd
first successful version
Apr 30, 2020
79502f6
using attribute in attributes
Apr 30, 2020
fad4c73
added isInLibrary, var book, and hasOwnProperty
May 1, 2020
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3 changes: 3 additions & 0 deletions index.html
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
<html>
<script src="main.js"></script>
</html>
85 changes: 84 additions & 1 deletion main.js
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Original file line number Diff line number Diff line change
@@ -1 +1,84 @@
// write your code here to make the tests pass
var Library = function() {

var books = [];

var addBook = function(newBook) {
books.push(newBook);
};

// isInLibrary utilized in checkedOutBook and returnBook
var isInLibrary = function(title) {
var bookCheck = books.some(function(book) {
return book.getAttribute('title') === title;
});

if (bookCheck) {
return true;
} else {
console.log('I\'m sorry, but "' + title + '" is not in the library.');
return false;
}
};

var checkOutBook = function(outgoingBook) {
for (var i = 0; i < books.length; i++) {
// Creating bookInLibrary for readability - thanks Sean!
var book = books[i];
if (isInLibrary(outgoingBook.getAttribute('title'))) {
if (book.getAttribute('checkedOut') === false) {
book.setAttribute('checkedOut', true);
console.log('"' + book.getAttribute('title') + '" is now checked out.');
} else {
console.log('I\'m sorry, but "' + book.getAttribute('title') + '" is already checked out.');
}
}
}
};


var returnBook = function(returningBook) {
for (var i = 0; i < books.length; i++) {
var book = books[i];
if (isInLibrary(returningBook.getAttribute('title'))) {
if (book.getAttribute('checkedOut') === true) {
book.setAttribute('checkedOut', false);
console.log('"' + book.getAttribute('title') + '" is now checked in.');
} else {
console.log('"' + book.getAttribute('title') + '" is already checked in. What\'s going on here?');
}
}
}
};

return {
addBook: addBook,
checkOutBook: checkOutBook,
returnBook: returnBook
};

};

var Book = function(title) {
var attributes = {
title: title,
checkedOut: false
};

var getAttribute = function(attribute) {
//Refactor from (attribute in attributes) - ES5 compatible
if (attributes.hasOwnProperty(attribute)) {
return attributes[attribute];
}
};

var setAttribute = function(attribute, value) {
if (attributes.hasOwnProperty(attribute)) {
attributes[attribute] = value;
}
};

return {
getAttribute: getAttribute,
setAttribute: setAttribute
};
};