Makes views use monsters from CoreData instead of hard coded ones.

MonsterCards/Views/EditMonsterViewController.m

@@ -8,6 +8,7 @@
 
 #import "EditMonsterViewController.h"
 #import "EditableShortStringTableViewCell.h"
+#import "AppDelegate.h"
 
 @interface EditMonsterViewController ()
 
@@ -15,10 +16,15 @@
 
 @end
 
-@implementation EditMonsterViewController
+@implementation EditMonsterViewController {
+    NSManagedObjectContext *_context;
+}
 
 - (void)viewDidLoad {
     [super viewDidLoad];
+    AppDelegate *appDelegate = (AppDelegate*)UIApplication.sharedApplication.delegate;
+    _context = appDelegate.persistentContainer.viewContext;
+
     self.monsterTableView.dataSource = self;
     self.monsterTableView.delegate = self;
 }
@@ -32,9 +38,12 @@
 
 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
     if ([@"DiscardChanges" isEqualToString:segue.identifier]) {
+        [_context rollback];
     } else if ([@"SaveChanges" isEqualToString:segue.identifier]) {
         // TODO: this should use a method on originalMonster to copy values from editingMonster or pass the new monster back some way. Core Data would save and probably trigger a refresh in the receiving view.
         self.originalMonster.name = self.editingMonster.name;
+        [_context refreshObject:self.editingMonster mergeChanges:NO];
+        [_context save:nil];
     } else {
         NSLog(@"Unknown Segue %@", segue.identifier);
     }

MonsterCards/Views/LibraryViewController.m

@@ -17,36 +17,32 @@
 
 @end
 
-@implementation LibraryViewController
+@implementation LibraryViewController {
+    NSManagedObjectContext *_context;
+}
 
 - (void)viewDidLoad {
     [super viewDidLoad];
     AppDelegate *appDelegate = (AppDelegate*)UIApplication.sharedApplication.delegate;
-    NSManagedObjectContext *context = appDelegate.persistentContainer.viewContext;
-
-    // Temporary setup of allMonsters until we bind to CoreData.
-    Monster *pixie = [[Monster alloc] initWithJSONString:@"{\"name\":\"Pixie\"}" andContext:context];
-    Monster *acolyte = [[Monster alloc] initWithJSONString:@"{\"name\":\"Acolyte\"}" andContext:context];
-    self.allMonsters = [NSArray arrayWithObjects:acolyte, pixie, nil];
+    _context = appDelegate.persistentContainer.viewContext;
 }
 
 - (void)viewWillAppear:(BOOL)animated {
-    // TODO: fetch monsters from CoreData
+    self.allMonsters = [_context executeFetchRequest:[Monster fetchRequest] error:nil];
     [self.monstersTable reloadData];
 }
 
 - (IBAction)addNewMonster:(id)sender {
-    AppDelegate *appDelegate = (AppDelegate*)UIApplication.sharedApplication.delegate;
-    NSManagedObjectContext *context = appDelegate.persistentContainer.viewContext;
-    Monster *monster = [[Monster alloc] initWithContext:context];
+    Monster *monster = [[Monster alloc] initWithContext:_context];
     monster.name = @"Unnamed Monster";
     self.allMonsters = [self.allMonsters arrayByAddingObject:monster];
+    //DispatchQueue.main.async{"code here"}
+    [_context save:nil];
     [self.monstersTable reloadData];
 }
 
 #pragma mark - Navigation
 
-// In a storyboard-based application, you will often want to do a little preparation before navigation
 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
     if ([@"ShowMonsterDetail" isEqualToString:segue.identifier]) {
         NSIndexPath *indexPath = [self.tableView indexPathForSelectedRow];

MonsterCards/Views/SearchViewController.m

@@ -18,17 +18,18 @@
 
 @end
 
-@implementation SearchViewController
+@implementation SearchViewController {
+    NSManagedObjectContext *_context;
+}
 
 - (void)viewDidLoad {
     [super viewDidLoad];
     AppDelegate *appDelegate = (AppDelegate*)UIApplication.sharedApplication.delegate;
-    NSManagedObjectContext *context = appDelegate.persistentContainer.viewContext;
-    Monster *pixie = [[Monster alloc] initWithContext:context];
-    pixie.name = @"Pixie";
-    Monster *acolyte = [[Monster alloc] initWithEntity:[NSEntityDescription entityForName:@"Monster" inManagedObjectContext:context] insertIntoManagedObjectContext:nil];
-    acolyte.name = @"Acolyte";
-    self.allMonsters = [NSArray arrayWithObjects:acolyte, pixie, nil];
+    _context = appDelegate.persistentContainer.viewContext;
+}
+
+- (void)viewWillAppear:(BOOL)animated {
+    self.allMonsters = [_context executeFetchRequest:[Monster fetchRequest] error:nil];
     self.foundMonsters=  self.allMonsters;
 }