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Modernize and restore all example projects. closes #1007

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This commit is contained in:
Blake Watters
2012-10-25 10:06:33 -04:00
parent 9ef8be412e
commit 4d5d76671c
25 changed files with 261 additions and 213 deletions
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29
Examples/RKTwitterCoreData/Classes/RKTStatus.h
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@@ -9,42 +9,41 @@
#import <RestKit/RestKit.h>
#import <RestKit/CoreData.h>
@interface RKTStatus : NSManagedObject {
}
@interface RKTStatus : NSManagedObject
/**
* The unique ID of this Status
The unique ID of this Status
*/
@property (nonatomic, retain) NSNumber *statusID;
@property (nonatomic, copy) NSNumber *statusID;
/**
* Timestamp the Status was sent
Timestamp the Status was sent
*/
@property (nonatomic, retain) NSDate *createdAt;
@property (nonatomic, copy) NSDate *createdAt;
/**
* Text of the Status
Text of the Status
*/
@property (nonatomic, retain) NSString *text;
@property (nonatomic, copy) NSString *text;
/**
* String version of the URL associated with the Status
String version of the URL associated with the Status
*/
@property (nonatomic, retain) NSString *urlString;
@property (nonatomic, copy) NSString *urlString;
/**
* The screen name of the User this Status was in response to
The screen name of the User this Status was in response to
*/
@property (nonatomic, retain) NSString *inReplyToScreenName;
@property (nonatomic, copy) NSString *inReplyToScreenName;
/**
* Is this status a favorite?
Is this status a favorite?
*/
@property (nonatomic, assign) BOOL isFavorited;
/**
* The User who posted this status
The User who posted this status
*/
@property (nonatomic, retain) NSManagedObject *user;
@property (nonatomic, strong) NSManagedObject *user;
@end

6
Examples/RKTwitterCoreData/Classes/RKTwitterAppDelegate.h
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@@ -8,9 +8,5 @@
#import <UIKit/UIKit.h>
@interface RKTwitterAppDelegate : NSObject <UIApplicationDelegate> {
}
@interface RKTwitterAppDelegate : UIResponder <UIApplicationDelegate>
@end

52
Examples/RKTwitterCoreData/Classes/RKTwitterAppDelegate.m
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@@ -14,6 +14,8 @@
@implementation RKTwitterAppDelegate
@synthesize window;
#pragma mark -
#pragma mark Application lifecycle
@@ -23,44 +25,51 @@
NSURL *baseURL = [NSURL URLWithString:@"http://twitter.com"];
RKObjectManager *objectManager = [RKObjectManager managerWithBaseURL:baseURL];
// Enable automatic network activity indicator management
objectManager.client.requestQueue.showsNetworkActivityIndicatorWhenBusy = YES;
// Enable Activity Indicator Spinner
[AFNetworkActivityIndicatorManager sharedManager].enabled = YES;
// Initialize managed object store
NSManagedObjectModel *managedObjectModel = [NSManagedObjectModel mergedModelFromBundles:nil];
RKManagedObjectStore *managedObjectStore = [[RKManagedObjectStore alloc] initWithManagedObjectModel:managedObjectModel];
objectManager.managedObjectStore = managedObjectStore;
[managedObjectStore release];
// Setup our object mappings
/*!
/**
Mapping by entity. Here we are configuring a mapping by targetting a Core Data entity with a specific
name. This allows us to map back Twitter user objects directly onto NSManagedObject instances --
there is no backing model class!
*/
RKEntityMapping *userMapping = [RKEntityMapping mappingForEntityForName:@"RKTUser" inManagedObjectStore:managedObjectStore];
userMapping.primaryKeyAttribute = @"userID";
[userMapping mapKeyPath:@"id" toAttribute:@"userID"];
[userMapping mapKeyPath:@"screen_name" toAttribute:@"screenName"];
[userMapping mapAttributes:@"name", nil];
[userMapping addAttributeMappingsFromDictionary:@{
@"id": @"userID",
@"screen_name": @"screenName",
}];
// If source and destination key path are the same, we can simply add a string to the array
[userMapping addAttributeMappingsFromArray:@[ @"name" ]];
RKEntityMapping *statusMapping = [RKEntityMapping mappingForEntityForName:@"RKTStatus" inManagedObjectStore:managedObjectStore];
statusMapping.primaryKeyAttribute = @"statusID";
[statusMapping mapKeyPathsToAttributes:@"id", @"statusID",
@"created_at", @"createdAt",
@"text", @"text",
@"url", @"urlString",
@"in_reply_to_screen_name", @"inReplyToScreenName",
@"favorited", @"isFavorited",
nil];
[statusMapping mapRelationship:@"user" withMapping:userMapping];
[statusMapping addAttributeMappingsFromDictionary:@{
@"id": @"statusID",
@"created_at": @"createdAt",
@"text": @"text",
@"url": @"urlString",
@"in_reply_to_screen_name": @"inReplyToScreenName",
@"favorited": @"isFavorited",
}];
[statusMapping addPropertyMapping:[RKRelationshipMapping relationshipMappingFromKeyPath:@"user" toKeyPath:@"user" withMapping:userMapping]];
// Update date format so that we can parse Twitter dates properly
// Wed Sep 29 15:31:08 +0000 2010
[RKObjectMapping addDefaultDateFormatterForString:@"E MMM d HH:mm:ss Z y" inTimeZone:nil];
// Register our mappings with the provider
[objectManager.mappingProvider setObjectMapping:statusMapping forResourcePathPattern:@"/status/user_timeline/:username"];
RKResponseDescriptor *responseDescriptor = [RKResponseDescriptor responseDescriptorWithMapping:statusMapping
pathPattern:@"/status/user_timeline/:username"
keyPath:nil
statusCodes:RKStatusCodeIndexSetForClass(RKStatusCodeClassSuccessful)];
[objectManager addResponseDescriptor:responseDescriptor];
// Uncomment this to use XML, comment it to use JSON
// objectManager.acceptMIMEType = RKMIMETypeXML;
@@ -93,6 +102,8 @@
} else {
RKLogError(@"Failed to finish import and save seed database due to error: %@", error);
}
exit(0);
#else
/**
Complete Core Data stack initialization
@@ -108,16 +119,9 @@
[managedObjectStore createManagedObjectContexts];
// Configure a managed object cache to ensure we do not create duplicate objects
managedObjectStore.managedObjectCache = [[RKInMemoryManagedObjectCache alloc] initWithManagedObjectContext:managedObjectStore.primaryManagedObjectContext];
managedObjectStore.managedObjectCache = [[RKInMemoryManagedObjectCache alloc] initWithManagedObjectContext:managedObjectStore.persistentStoreManagedObjectContext];
#endif
// Create Window and View Controllers
RKTwitterViewController *viewController = [[[RKTwitterViewController alloc] initWithNibName:nil bundle:nil] autorelease];
UINavigationController *controller = [[UINavigationController alloc] initWithRootViewController:viewController];
UIWindow *window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 480)];
[window addSubview:controller.view];
[window makeKeyAndVisible];
return YES;
}

1
Examples/RKTwitterCoreData/Classes/RKTwitterViewController.h
View File

@@ -10,5 +10,4 @@
#import <RestKit/RestKit.h>
@interface RKTwitterViewController : UIViewController
- (void)loadObjectsFromDataStore;
@end

114
Examples/RKTwitterCoreData/Classes/RKTwitterViewController.m
View File

@@ -9,97 +9,78 @@
#import "RKTwitterViewController.h"
#import "RKTStatus.h"
@interface RKTwitterViewController () <UITableViewDelegate, UITableViewDataSource, RKObjectLoaderDelegate>
@property (nonatomic, retain) UITableView *tableView;
@property (nonatomic, retain) NSArray *statuses;
static void RKTwitterShowAlertWithError(NSError *error)
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error"
message:[error localizedDescription]
delegate:nil
cancelButtonTitle:@"OK" otherButtonTitles:nil];
[alert show];
}
@interface RKTwitterViewController () <UITableViewDelegate, UITableViewDataSource>
@property (nonatomic, weak) IBOutlet UITableView *tableView;
@property (nonatomic, strong) NSFetchedResultsController *fetchedResultsController;
@end
@implementation RKTwitterViewController
@synthesize tableView = _tableView;
@synthesize statuses = _statuses;
- (void)loadView
- (void)viewDidLoad
{
[super loadView];
[super viewDidLoad];
// Set debug logging level. Set to 'RKLogLevelTrace' to see JSON payload
RKLogConfigureByName("RestKit/Network", RKLogLevelDebug);
// Setup View and Table View
self.title = @"RestKit Tweets";
[UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackTranslucent;
self.navigationController.navigationBar.tintColor = [UIColor blackColor];
self.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh target:self action:@selector(reloadButtonWasPressed:)] autorelease];
UIImageView *imageView = [[[UIImageView alloc] initWithImage:[UIImage imageNamed:@"BG.png"]] autorelease];
imageView.frame = CGRectOffset(imageView.frame, 0, -64);
[self.view insertSubview:imageView atIndex:0];
self.tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, 320, 480-64) style:UITableViewStylePlain];
self.tableView.dataSource = self;
self.tableView.delegate = self;
self.tableView.backgroundColor = [UIColor clearColor];
self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
[self.view addSubview:self.tableView];
// Load statuses from core data
[self loadObjectsFromDataStore];
}
- (void)dealloc
{
[_tableView release];
[_statuses release];
[super dealloc];
}
- (void)loadObjectsFromDataStore
{
NSFetchRequest *fetchRequest = [NSFetchRequest fetchRequestWithEntityName:@"RKTStatus"];
NSSortDescriptor *descriptor = [NSSortDescriptor sortDescriptorWithKey:@"createdAt" ascending:NO];
fetchRequest.sortDescriptors = @[descriptor];
NSError *error;
self.statuses = [[RKManagedObjectStore defaultStore].mainQueueManagedObjectContext executeFetchRequest:fetchRequest error:&error];
NSError *error = nil;
// Setup fetched results
self.fetchedResultsController = [[NSFetchedResultsController alloc] initWithFetchRequest:fetchRequest
managedObjectContext:[RKManagedObjectStore defaultStore].mainQueueManagedObjectContext
sectionNameKeyPath:nil
cacheName:nil];
BOOL fetchSuccessful = [self.fetchedResultsController performFetch:&error];
if (! fetchSuccessful) {
RKTwitterShowAlertWithError(error);
}
[self loadData];
}
- (void)loadData
{
// Load the object model via RestKit
RKObjectManager *objectManager = [RKObjectManager sharedManager];
[objectManager loadObjectsAtResourcePath:@"/status/user_timeline/RestKit" delegate:self];
[[RKObjectManager sharedManager] getObjectsAtPath:@"/status/user_timeline/RestKit" parameters:nil success:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult) {
RKLogInfo(@"Load complete: Table should refresh...");
[[NSUserDefaults standardUserDefaults] setObject:[NSDate date] forKey:@"LastUpdatedAt"];
[[NSUserDefaults standardUserDefaults] synchronize];
} failure:^(RKObjectRequestOperation *operation, NSError *error) {
RKLogError(@"Load failed with error: %@", error);
RKTwitterShowAlertWithError(error);
}];
}
- (void)reloadButtonWasPressed:(id)sender
- (IBAction)refresh:(id)sender
{
// Load the object model via RestKit
[self loadData];
}
#pragma mark RKObjectLoaderDelegate methods
- (void)objectLoader:(RKObjectLoader *)objectLoader didLoadObjects:(NSArray *)objects
{
[[NSUserDefaults standardUserDefaults] setObject:[NSDate date] forKey:@"LastUpdatedAt"];
[[NSUserDefaults standardUserDefaults] synchronize];
NSLog(@"Loaded statuses: %@", objects);
[self loadObjectsFromDataStore];
[_tableView reloadData];
}
- (void)objectLoader:(RKObjectLoader *)objectLoader didFailWithError:(NSError *)error
{
UIAlertView *alert = [[[UIAlertView alloc] initWithTitle:@"Error"
message:[error localizedDescription]
delegate:nil
cancelButtonTitle:@"OK" otherButtonTitles:nil] autorelease];
[alert show];
NSLog(@"Hit error: %@", error);
}
#pragma mark UITableViewDelegate methods
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath
{
CGSize size = [[[_statuses objectAtIndex:indexPath.row] text] sizeWithFont:[UIFont systemFontOfSize:14] constrainedToSize:CGSizeMake(300, 9000)];
RKTStatus *status = [self.fetchedResultsController objectAtIndexPath:indexPath];
CGSize size = [[status text] sizeWithFont:[UIFont systemFontOfSize:14] constrainedToSize:CGSizeMake(300, 9000)];
return size.height + 10;
}
@@ -107,7 +88,8 @@
- (NSInteger)tableView:(UITableView *)table numberOfRowsInSection:(NSInteger)section
{
return [_statuses count];
id<NSFetchedResultsSectionInfo> sectionInfo = [self.fetchedResultsController.sections objectAtIndex:section];
return [sectionInfo numberOfObjects];
}
- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
@@ -125,13 +107,13 @@
NSString *reuseIdentifier = @"Tweet Cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
if (nil == cell) {
cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuseIdentifier] autorelease];
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:reuseIdentifier];
cell.textLabel.font = [UIFont systemFontOfSize:14];
cell.textLabel.numberOfLines = 0;
cell.textLabel.backgroundColor = [UIColor clearColor];
cell.contentView.backgroundColor = [UIColor colorWithPatternImage:[UIImage imageNamed:@"listbg.png"]];
}
RKTStatus *status = [_statuses objectAtIndex:indexPath.row];
RKTStatus *status = [self.fetchedResultsController objectAtIndexPath:indexPath];
cell.textLabel.text = status.text;
return cell;
}