Created
February 23, 2017 06:00
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Login Modal for keeping your User Login data inside your App
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| #define SYNTHESIZE_SINGLETON_FOR_CLASS(classname) \ | |
| \ | |
| + (id)allocWithZone:(NSZone *)zone \ | |
| { \ | |
| @synchronized(self) \ | |
| { \ | |
| if (shared##classname == nil) \ | |
| { \ | |
| shared##classname = [super allocWithZone:zone]; \ | |
| return shared##classname; \ | |
| } \ | |
| } \ | |
| \ | |
| return nil; \ | |
| } \ | |
| \ | |
| - (id)copyWithZone:(NSZone *)zone \ | |
| { \ | |
| return self; \ | |
| } \ | |
| \ |
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| #import <Foundation/Foundation.h> | |
| extern NSString* const TYUserAuthSucceededNotification; | |
| extern NSString* const TYUserAuthFailedNotification; | |
| @interface TYLoginDataModel : NSObject<NSCoding, NSCopying> | |
| @property (nonatomic, retain) NSString *agentID; | |
| @property (nonatomic, retain) NSString *agentUserEmail; | |
| @property (nonatomic, retain) NSString *agentPassword; | |
| @property (nonatomic, retain) NSString *agentIsAdmin; | |
| @property (nonatomic, assign) BOOL valid; | |
| +(TYLoginDataModel *) sharedLoginDataModel; | |
| -(void) logout; | |
| -(BOOL) checkLogin; | |
| -(BOOL) commit; | |
| -(void) loginWithUserEmail:(NSString *)agentUserEmail agentPassword:(NSString *)agentPassword agentID:(NSString *)agentID agentIsAdmin:(NSString *)isAdmin; | |
| +(TYLoginDataModel *) restore; | |
| @end |
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| #import "TYLoginDataModel.h" | |
| #import "SynthesizeSingleton.h" | |
| NSString* const TYUserAuthSucceededNotification = @"TYUserAuthSucceededNotification"; | |
| NSString* const TYUserAuthFailedNotification = @"TYUserAuthFailedNotification"; | |
| NSString* const kSavedLoginDataModelKey = @"SavedLoginDataModel"; | |
| @implementation TYLoginDataModel | |
| static TYLoginDataModel *sharedLoginDataModel = nil; | |
| SYNTHESIZE_SINGLETON_FOR_CLASS(LoginDataModel); | |
| + (TYLoginDataModel *)sharedLoginDataModel { | |
| @synchronized(self) { | |
| if (sharedLoginDataModel == nil) { | |
| sharedLoginDataModel = [self restore]; | |
| if(!sharedLoginDataModel) { | |
| sharedLoginDataModel = [[self alloc] init]; | |
| } | |
| } | |
| } | |
| return sharedLoginDataModel; | |
| } | |
| -(BOOL) checkLogin { | |
| if (_agentUserEmail == nil || _agentPassword == nil || _agentID == nil || _agentIsAdmin == nil || !_valid) { | |
| return NO; | |
| } | |
| return YES; | |
| } | |
| -(void) loginWithUserEmail:(NSString *)agentUserEmail agentPassword:(NSString *)agentPassword agentID:(NSString *)agentID agentIsAdmin:(NSString *)isAdmin { | |
| // Currently just initializing it with dummy credentials. | |
| [[TYLoginDataModel sharedLoginDataModel] setAgentUserEmail:agentUserEmail]; | |
| [[TYLoginDataModel sharedLoginDataModel] setAgentPassword:agentPassword]; | |
| [[TYLoginDataModel sharedLoginDataModel] setAgentID:agentID]; | |
| [[TYLoginDataModel sharedLoginDataModel] setAgentIsAdmin:isAdmin]; | |
| [[TYLoginDataModel sharedLoginDataModel] setValid:YES]; | |
| // Use whichever your preferred auth mechanism is, and once that's done message the delegate; | |
| // Temp code - Delete when you have your authenication implemented !! | |
| [[NSNotificationCenter defaultCenter] postNotification:[NSNotification notificationWithName:TYUserAuthSucceededNotification object:self]]; | |
| [self commit]; | |
| } | |
| // Call this method to logout. | |
| -(void) logout { | |
| _agentUserEmail = nil; | |
| _agentPassword = nil; | |
| _agentID = nil; | |
| _agentIsAdmin = nil; | |
| _valid = NO; | |
| [self commit]; | |
| } | |
| // Commits the current object to disk. | |
| -(BOOL) commit { | |
| NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; | |
| if(defaults) { | |
| NSData *encodedLoginDataModel = [NSKeyedArchiver archivedDataWithRootObject:sharedLoginDataModel]; | |
| [defaults setObject:encodedLoginDataModel forKey:kSavedLoginDataModelKey]; | |
| [defaults synchronize]; | |
| } | |
| return YES; | |
| } | |
| +(TYLoginDataModel *) restore { | |
| NSData *encodedLoginDataModel = [[NSUserDefaults standardUserDefaults] objectForKey:kSavedLoginDataModelKey]; | |
| return (TYLoginDataModel *) [NSKeyedUnarchiver unarchiveObjectWithData:encodedLoginDataModel]; | |
| } | |
| - (void)encodeWithCoder:(NSCoder *)encoder { | |
| [encoder encodeObject:self.agentUserEmail forKey:@"agentUserEmail"]; | |
| [encoder encodeObject:self.agentPassword forKey:@"agentPassword"]; | |
| [encoder encodeObject:self.agentID forKey:@"agentID"]; | |
| [encoder encodeObject:self.agentIsAdmin forKey:@"agentIsAdmin"]; | |
| [encoder encodeBool:self.valid forKey:@"valid"]; | |
| } | |
| - (id)initWithCoder:(NSCoder *)decoder { | |
| self = [super init]; | |
| if(self != nil) { | |
| self.agentUserEmail = [decoder decodeObjectForKey:@"agentUserEmail"]; | |
| self.agentPassword = [decoder decodeObjectForKey:@"agentPassword"]; | |
| self.agentID = [decoder decodeObjectForKey:@"agentID"]; | |
| self.agentIsAdmin = [decoder decodeObjectForKey:@"agentIsAdmin"]; | |
| self.valid = [decoder decodeBoolForKey:@"valid"]; | |
| } | |
| return self; | |
| } | |
| @end |
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