From 4a191c84d71454cdebd22f2c2eba6c70b45a1f4c Mon Sep 17 00:00:00 2001
From: Tatiana Grigorieva <tatianagrigorieva@Tatianas-MacBook-Pro.local>
Date: Tue, 14 Jan 2020 20:44:45 -0500
Subject: [PATCH 1/5] first commit wth errors

---
 main.js | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)

diff --git a/main.js b/main.js
index 220d2e1..da17f41 100644
--- a/main.js
+++ b/main.js
@@ -1 +1,66 @@
 // write your code here to make the tests pass
+var Library = function() {
+  var books = [];
+
+  var addBook = function(book) {
+    books.push(book);
+  }
+
+  var checkOutBook = function(book) {
+    for(i=0; i < books.length; i++) {
+      if(book.title === books[i].title) {
+        var checkedOut = books[i].getAttribute('checkedOut')
+        if(checkedOut === false) {
+          books[i].setAttribute('checkedOut', true);
+        }
+        else console.log('error in check out');
+      }
+    }
+  }
+
+  var returnBook = function(book) {
+    for(i=0; i < books.length; i++) {
+      if(book.title === books[i].title) {
+        var checkedOut = books[i].getAttribute('checkedOut');
+        if(checkedOut === true) {
+          books[i].setAttribute('checkedOut', false);
+        }
+        else console.log('error in return');
+      }
+    }
+  }
+
+  return {
+    addBook: addBook,
+    checkOutBook: checkOutBook,
+    returnBook: returnBook
+  }
+
+}
+
+var Book = function(title, author){
+
+  var attributes = {
+    title: title,
+    author: author,
+    checkedOut: false
+  }
+
+  var getAttribute = function(attribute) {
+    if (attributes[attribute]) {
+      return attributes[attribute];
+    }
+  }
+
+  var setAttribute = function(attribute, value) {
+    if (attributes[attribute]) {
+      attributes[attribute] = value;
+    }
+  }
+
+
+  return {
+    getAttribute: getAttribute,
+    setAttribute: setAttribute
+  }
+}

From b33adc3efa325d25f83e39de11b18ac9412cc90c Mon Sep 17 00:00:00 2001
From: Tatiana Grigorieva <tatianagrigorieva@Tatianas-MacBook-Pro.local>
Date: Tue, 14 Jan 2020 20:49:47 -0500
Subject: [PATCH 2/5] errors fixed

---
 main.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/main.js b/main.js
index da17f41..48b9fb6 100644
--- a/main.js
+++ b/main.js
@@ -47,13 +47,13 @@ var Book = function(title, author){
   }
 
   var getAttribute = function(attribute) {
-    if (attributes[attribute]) {
+    if (attribute === 'checkedOut') {
       return attributes[attribute];
     }
   }
 
   var setAttribute = function(attribute, value) {
-    if (attributes[attribute]) {
+    if (attribute === 'checkedOut') {
       attributes[attribute] = value;
     }
   }

From 41728f51741d39b578465024172d849ab3999c15 Mon Sep 17 00:00:00 2001
From: Tatiana Grigorieva <tatianagrigorieva@Tatianas-MacBook-Pro.local>
Date: Tue, 14 Jan 2020 21:05:27 -0500
Subject: [PATCH 3/5] one more error left to fix

---
 main.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/main.js b/main.js
index 48b9fb6..33bf52a 100644
--- a/main.js
+++ b/main.js
@@ -47,13 +47,13 @@ var Book = function(title, author){
   }
 
   var getAttribute = function(attribute) {
-    if (attribute === 'checkedOut') {
+    if (attribute ) {
       return attributes[attribute];
     }
   }
 
   var setAttribute = function(attribute, value) {
-    if (attribute === 'checkedOut') {
+    if (attribute ) {
       attributes[attribute] = value;
     }
   }

From c4c537966748764f17b059dc73cf5e5818c3edb9 Mon Sep 17 00:00:00 2001
From: Tatiana Grigorieva <tatianagrigorieva@Tatianas-MacBook-Pro.local>
Date: Tue, 14 Jan 2020 21:10:20 -0500
Subject: [PATCH 4/5] fixed

---
 main.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/main.js b/main.js
index 33bf52a..12a4085 100644
--- a/main.js
+++ b/main.js
@@ -53,7 +53,7 @@ var Book = function(title, author){
   }
 
   var setAttribute = function(attribute, value) {
-    if (attribute ) {
+    if (attribute in attributes) {
       attributes[attribute] = value;
     }
   }

From d6baac4770c2bfe9964482ffb3792eb16bbfc2fc Mon Sep 17 00:00:00 2001
From: Tatiana Grigorieva <tatianagrigorieva@Tatianas-MacBook-Pro.local>
Date: Tue, 14 Jan 2020 21:19:12 -0500
Subject: [PATCH 5/5] minor changes added

---
 main.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/main.js b/main.js
index 12a4085..9a1b94d 100644
--- a/main.js
+++ b/main.js
@@ -10,7 +10,7 @@ var Library = function() {
     for(i=0; i < books.length; i++) {
       if(book.title === books[i].title) {
         var checkedOut = books[i].getAttribute('checkedOut')
-        if(checkedOut === false) {
+        if(!checkedOut) {
           books[i].setAttribute('checkedOut', true);
         }
         else console.log('error in check out');
@@ -22,7 +22,7 @@ var Library = function() {
     for(i=0; i < books.length; i++) {
       if(book.title === books[i].title) {
         var checkedOut = books[i].getAttribute('checkedOut');
-        if(checkedOut === true) {
+        if(checkedOut) {
           books[i].setAttribute('checkedOut', false);
         }
         else console.log('error in return');