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Added FRPLoginViewModel.

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This commit is contained in:
Ash Furrow
2013-10-22 19:24:37 -04:00
parent 0f98e322c5
commit dde8c88cd0
4 changed files with 66 additions and 9 deletions
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6
FRP.xcodeproj/project.pbxproj
View File

@@ -17,6 +17,7 @@
5E730B101815F78B003FCB43 /* FRPGalleryViewModelTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 5E730B0F1815F78B003FCB43 /* FRPGalleryViewModelTests.m */; };
5E730B141815FE97003FCB43 /* FRPFullSizePhotoViewModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 5E730B131815FE97003FCB43 /* FRPFullSizePhotoViewModel.m */; };
5EAD1F5818173A3200C67860 /* FRPPhotoViewModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 5EAD1F5718173A3200C67860 /* FRPPhotoViewModel.m */; };
5EAD1F5C18173F1500C67860 /* FRPLoginViewModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 5EAD1F5B18173F1500C67860 /* FRPLoginViewModel.m */; };
5EBC599E180B247500B683A7 /* FRPCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 5EBC599D180B247500B683A7 /* FRPCell.m */; };
5EBC59A6180B2AA200B683A7 /* FRPPhotoImporter.m in Sources */ = {isa = PBXBuildFile; fileRef = 5EBC59A5180B2AA200B683A7 /* FRPPhotoImporter.m */; };
5EBC59A9180B2C4F00B683A7 /* FRPGalleryFlowLayout.m in Sources */ = {isa = PBXBuildFile; fileRef = 5EBC59A8180B2C4F00B683A7 /* FRPGalleryFlowLayout.m */; };
@@ -63,6 +64,8 @@
5E730B131815FE97003FCB43 /* FRPFullSizePhotoViewModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = FRPFullSizePhotoViewModel.m; sourceTree = "<group>"; };
5EAD1F5618173A3200C67860 /* FRPPhotoViewModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = FRPPhotoViewModel.h; sourceTree = "<group>"; };
5EAD1F5718173A3200C67860 /* FRPPhotoViewModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = FRPPhotoViewModel.m; sourceTree = "<group>"; };
5EAD1F5A18173F1500C67860 /* FRPLoginViewModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = FRPLoginViewModel.h; sourceTree = "<group>"; };
5EAD1F5B18173F1500C67860 /* FRPLoginViewModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = FRPLoginViewModel.m; sourceTree = "<group>"; };
5EBC599C180B247500B683A7 /* FRPCell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = FRPCell.h; sourceTree = "<group>"; };
5EBC599D180B247500B683A7 /* FRPCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = FRPCell.m; sourceTree = "<group>"; };
5EBC59A0180B268600B683A7 /* FRPPhotoModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = FRPPhotoModel.h; sourceTree = "<group>"; };
@@ -174,6 +177,8 @@
5E59511B181219AC002F44FA /* FRPLoginViewController.h */,
5E59511C181219AC002F44FA /* FRPLoginViewController.m */,
5E59511E18121D09002F44FA /* FRPLoginViewController.xib */,
5EAD1F5A18173F1500C67860 /* FRPLoginViewModel.h */,
5EAD1F5B18173F1500C67860 /* FRPLoginViewModel.m */,
);
name = Login;
sourceTree = "<group>";
@@ -445,6 +450,7 @@
5EBC599E180B247500B683A7 /* FRPCell.m in Sources */,
5E595111180E065F002F44FA /* FRPFullSizePhotoViewController.m in Sources */,
5EBC59A9180B2C4F00B683A7 /* FRPGalleryFlowLayout.m in Sources */,
5EAD1F5C18173F1500C67860 /* FRPLoginViewModel.m in Sources */,
5E59511D181219AC002F44FA /* FRPLoginViewController.m in Sources */,
5EBE2B03180B07D0007B6BF3 /* main.m in Sources */,
5E730B0E1815F3E4003FCB43 /* FRPGalleryViewModel.m in Sources */,

19
FRP/FRPLoginViewController.m
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@@ -12,11 +12,16 @@
#import "FRPPhotoImporter.h"
#import <SVProgressHUD/SVProgressHUD.h>
// View Model
#import "FRPLoginViewModel.h"
@interface FRPLoginViewController ()
@property (weak, nonatomic) IBOutlet UITextField *usernameTextField;
@property (weak, nonatomic) IBOutlet UITextField *passwordTextField;
@property (nonatomic, strong) FRPLoginViewModel *viewModel;
@end
@implementation FRPLoginViewController
@@ -32,20 +37,16 @@
// Reactive Stuff
@weakify(self);
RACSignal *enabledSignal = [RACSignal combineLatest:@[self.usernameTextField.rac_textSignal, self.passwordTextField.rac_textSignal] reduce:^id(NSString *username, NSString *password){
return @(username.length > 0 && password.length > 0);
}];
self.navigationItem.rightBarButtonItem.rac_command = [[RACCommand alloc] initWithEnabled:enabledSignal signalBlock:^RACSignal *(id input) {
@strongify(self);
return [FRPPhotoImporter logInWithUsername:self.usernameTextField.text password:self.passwordTextField.text];
}];
[self.navigationItem.rightBarButtonItem.rac_command.executionSignals subscribeNext:^(id x) {
RAC(self.viewModel, username) = self.usernameTextField.rac_textSignal;
RAC(self.viewModel, password) = self.passwordTextField.rac_textSignal;
self.navigationItem.rightBarButtonItem.rac_command = self.viewModel.loginCommand;
[self.viewModel.loginCommand.executionSignals subscribeNext:^(id x) {
[x subscribeCompleted:^{
@strongify(self);
[self.presentingViewController dismissViewControllerAnimated:YES completion:nil];
}];
}];
[self.navigationItem.rightBarButtonItem.rac_command.errors subscribeNext:^(id x) {
[self.viewModel.loginCommand.errors subscribeNext:^(id x) {
NSLog(@"Login error: %@", x);
}];

17
FRP/FRPLoginViewModel.h Normal file
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@@ -0,0 +1,17 @@
//
// FRPLoginViewModel.h
// FRP
//
// Created by Ash Furrow on 10/22/2013.
// Copyright (c) 2013 Ash Furrow. All rights reserved.
//
#import <Foundation/Foundation.h>
@interface FRPLoginViewModel : NSObject
@property (nonatomic, readonly) RACCommand *loginCommand;
@property (nonatomic, strong) NSString *username;
@property (nonatomic, strong) NSString *password;
@end

33
FRP/FRPLoginViewModel.m Normal file
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@@ -0,0 +1,33 @@
//
// FRPLoginViewModel.m
// FRP
//
// Created by Ash Furrow on 10/22/2013.
// Copyright (c) 2013 Ash Furrow. All rights reserved.
//
#import "FRPLoginViewModel.h"
#import "FRPPhotoImporter.h"
@interface FRPLoginViewModel ()
@property (nonatomic, strong) RACCommand *loginCommand;
@end
@implementation FRPLoginViewModel
-(instancetype)init {
self = [super init];
if (!self) return nil;
self.loginCommand = [[RACCommand alloc] initWithEnabled:[RACSignal combineLatest:@[RACObserve(self, username), RACObserve(self, password)] reduce:^id(NSString *username, NSString *password){
return @(username.length > 0 && password.length > 0);
}] signalBlock:^RACSignal *(id input) {
return [FRPPhotoImporter logInWithUsername:self.username password:self.password];
}];
return self;
}
@end