Started implementing repository watching and user following

Classes/GHUser.h

@@ -2,7 +2,7 @@
 #import "GHResource.h"
 
 
-@class GravatarLoader;
+@class GravatarLoader, GHRepository;
 
 @interface GHUser : GHResource {
 	NSString *name;
@@ -37,5 +37,7 @@
 - (void)loadRepositories;
 - (void)loadedRepositories:(NSArray *)theRepositories;
 - (void)loadedGravatar:(UIImage *)theImage;
+- (BOOL)isFollowing:(GHUser *)anUser;
+- (BOOL)isWatching:(GHRepository *)aRepository;
 
 @end

Classes/GHUser.m

@@ -35,6 +35,18 @@ - (NSString *)description {
     return [NSString stringWithFormat:@"<GHUser login:'%@' name:'%@' email:'%@' company:'%@' location:'%@' blogURL:'%@'>", login, name, email, company, location, blogURL];
 }
 
+// FIXME Currently just stubbed out, see the issue:
+// http://github.com/dbloete/ioctocat/issues#issue/5
+- (BOOL)isFollowing:(GHUser *)anUser {
+	return NO;
+}
+
+// FIXME Currently just stubbed out, see the issue:
+// http://github.com/dbloete/ioctocat/issues#issue/6
+- (BOOL)isWatching:(GHRepository *)aRepository {
+	return NO;
+}
+
 #pragma mark -
 #pragma mark User loading
 

Classes/RepositoryViewController.h

@@ -1,14 +1,15 @@
 #import <UIKit/UIKit.h>
 
 
-@class GHRepository, GHFeedEntryCell, TextCell, LabeledCell;
+@class GHRepository, GHUser, GHFeedEntryCell, TextCell, LabeledCell;
 
 @interface RepositoryViewController : UITableViewController {
   @private
 	GHRepository *repository;
 	IBOutlet UIView *tableHeaderView;
 	IBOutlet UILabel *nameLabel;
 	IBOutlet UILabel *numbersLabel;
+	IBOutlet UIButton *watchButton;
 	IBOutlet UILabel *ownerLabel;
 	IBOutlet UILabel *websiteLabel;
 	IBOutlet UILabel *descriptionLabel;
@@ -21,6 +22,9 @@
 	IBOutlet TextCell *descriptionCell;
 }
 
+@property (nonatomic, readonly) GHUser *currentUser;
+
 - (id)initWithRepository:(GHRepository *)theRepository;
+- (IBAction)toggleWatching:(id)sender;
 
 @end

Classes/RepositoryViewController.m

@@ -33,6 +33,11 @@ - (void)viewDidLoad {
 	(repository.isLoaded) ? [self displayRepository] : [repository loadRepository];
 }
 
+- (GHUser *)currentUser {
+	iOctocatAppDelegate *appDelegate = (iOctocatAppDelegate *)[[UIApplication sharedApplication] delegate];
+	return appDelegate.currentUser;
+}
+
 #pragma mark -
 #pragma mark Actions
 
@@ -43,6 +48,11 @@ - (void)displayRepository {
 	[websiteCell setContentText:[repository.homepageURL host]];
 	[descriptionCell setContentText:repository.descriptionText];
 	if (!repository.recentCommits.isLoaded) [repository.recentCommits loadEntries];
+	// FIXME Watching needs to be implemented, see issue:
+	// http://github.com/dbloete/ioctocat/issues#issue/4
+//	UIImage *buttonImage = [UIImage imageNamed:([self.currentUser isWatching:repository] ? @"UnwatchButton.png" : @"WatchButton.png")];
+//	[watchButton setBackgroundImage:buttonImage forState:UIControlStateNormal];
+//	watchButton.hidden = NO;
 }
 
 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:object change:change context:context {
@@ -61,6 +71,16 @@ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:object change:change
 	}
 }
 
+- (IBAction)toggleWatching:(id)sender {
+	UIImage *buttonImage;
+	if ([self.currentUser isWatching:repository]) {
+		buttonImage = [UIImage imageNamed:@"UnwatchButton.png"];
+	} else {
+		buttonImage = [UIImage imageNamed:@"WatchButton.png"];
+	}
+	[watchButton setBackgroundImage:buttonImage forState:UIControlStateNormal];
+}
+
 #pragma mark -
 #pragma mark Table view methods
 
@@ -145,6 +165,7 @@ - (void)dealloc {
 	[tableHeaderView release];
 	[nameLabel release];
 	[numbersLabel release];
+	[watchButton release];
 	[ownerLabel release];
 	[websiteLabel release];
 	[descriptionLabel release];

Classes/UserViewController.h

@@ -8,6 +8,7 @@
 	GHUser *user;
 	IBOutlet UIView *tableHeaderView;
 	IBOutlet UIImageView *gravatarView;
+	IBOutlet UIButton *followButton;
 	IBOutlet UILabel *nameLabel;
 	IBOutlet UILabel *companyLabel;
 	IBOutlet UILabel *locationLabel;
@@ -21,6 +22,9 @@
 	IBOutlet LabeledCell *emailCell;
 }
 
+@property (nonatomic, readonly) GHUser *currentUser;
+
 - (id)initWithUser:(GHUser *)theUser;
+- (IBAction)toggleFollowing:(id)sender;
 
 @end

Classes/UserViewController.m

@@ -5,6 +5,7 @@
 #import "GHRepository.h"
 #import "LabeledCell.h"
 #import "GravatarLoader.h"
+#import "iOctocatAppDelegate.h"
 
 
 @interface UserViewController ()
@@ -31,6 +32,11 @@ - (void)viewDidLoad {
 	self.tableView.tableHeaderView = tableHeaderView;
 }
 
+- (GHUser *)currentUser {
+	iOctocatAppDelegate *appDelegate = (iOctocatAppDelegate *)[[UIApplication sharedApplication] delegate];
+	return appDelegate.currentUser;
+}
+
 #pragma mark -
 #pragma mark Actions
 
@@ -41,6 +47,12 @@ - (void)displayUser {
 	[locationCell setContentText:user.location];
 	[blogCell setContentText:[user.blogURL host]];
 	[emailCell setContentText:user.email];
+	// FIXME Following needs to be implemented, see issue:
+	// http://github.com/dbloete/ioctocat/issues#issue/3
+//	if ([self.currentUser isEqual:user]) return;
+//	UIImage *buttonImage = [UIImage imageNamed:([self.currentUser isFollowing:user] ? @"UnfollowButton.png" : @"FollowButton.png")];
+//	[followButton setBackgroundImage:buttonImage forState:UIControlStateNormal];
+//	followButton.hidden = NO;
 }
 
 - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:object change:change context:context {
@@ -61,6 +73,16 @@ - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:object change:change
 	}
 }
 
+- (IBAction)toggleFollowing:(id)sender {
+	UIImage *buttonImage;
+	if ([self.currentUser isFollowing:user]) {
+		buttonImage = [UIImage imageNamed:@"UnfollowButton.png"];
+	} else {
+		buttonImage = [UIImage imageNamed:@"FollowButton.png"];
+	}
+	[followButton setBackgroundImage:buttonImage forState:UIControlStateNormal];
+}
+
 #pragma mark -
 #pragma mark Table view methods
 
@@ -156,6 +178,7 @@ - (void)dealloc {
 	[loadingUserCell release];
 	[loadingReposCell release];
 	[noPublicReposCell release];
+	[followButton release];
     [super dealloc];
 }
 

Classes/iOctocatAppDelegate.h

@@ -14,7 +14,7 @@
 @property (nonatomic, readonly) BOOL isDataSourceAvailable;
 @property (nonatomic, retain) NSMutableDictionary *users;
 
-- (GHUser *)user;
+- (GHUser *)currentUser;
 - (GHUser *)userWithLogin:(NSString *)theUsername;
 
 @end

Classes/iOctocatAppDelegate.m

@@ -59,8 +59,7 @@ - (void)displayNoConnectionView {
 	[noConnectionView release];
 }
 
-
-- (GHUser *)user {
+- (GHUser *)currentUser {
 	NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
 	NSString *username = [defaults valueForKey:kUsernameDefaultsKey];
 	return ([username isEqualToString:@""]) ? nil : [self userWithLogin:username];