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MasterPassword/platform-darwin/Source/iOS/MPAnswersViewController.m

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//
// MPPreferencesViewController.m
// MasterPassword-iOS
//
// Created by Maarten Billemont on 04/06/12.
// Copyright (c) 2012 Lyndir. All rights reserved.
//
#import "MPAnswersViewController.h"
#import "MPiOSAppDelegate.h"
#import "MPAppDelegate_Store.h"
#import "MPOverlayViewController.h"
@interface MPAnswersViewController()
@end
@implementation MPAnswersViewController {
NSManagedObjectID *_siteOID;
BOOL _multiple;
}
#pragma mark - Life
- (void)viewDidLoad {
[super viewDidLoad];
self.tableView.tableHeaderView = [UIView new];
self.tableView.tableFooterView = [UIView new];
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self.view.backgroundColor = [UIColor clearColor];
[self.tableView automaticallyAdjustInsetsForKeyboard];
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}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
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PearlAddNotificationObserver( MPSignedOutNotification, nil, [NSOperationQueue mainQueue],
^(MPAnswersViewController *self, NSNotification *note) {
if (![note.userInfo[@"animated"] boolValue])
[UIView setAnimationsEnabled:NO];
[[MPOverlaySegue dismissViewController:self] perform];
[UIView setAnimationsEnabled:YES];
} );
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
[self.view.window endEditing:YES];
}
- (void)viewWillDisappear:(BOOL)animated {
[super viewWillDisappear:animated];
PearlRemoveNotificationObserversFrom( self.tableView );
PearlRemoveNotificationObservers();
}
- (UIStatusBarStyle)preferredStatusBarStyle {
return UIStatusBarStyleLightContent;
}
#pragma mark - State
- (void)setSite:(MPSiteEntity *)site {
_siteOID = [site objectID];
_multiple = [site.questions count] > 0;
[self.tableView reloadData];
[self updateAnimated:NO];
}
- (void)setMultiple:(BOOL)multiple animated:(BOOL)animated {
_multiple = multiple;
[self updateAnimated:animated];
}
- (MPSiteEntity *)siteInContext:(NSManagedObjectContext *)context {
return [MPSiteEntity existingObjectWithID:_siteOID inContext:context];
}
#pragma mark - UITableViewDelegate
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 2;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
if (section == 0)
return 3;
if (!_multiple)
return 0;
return [[self siteInContext:[MPiOSAppDelegate managedObjectContextForMainThreadIfReady]].questions count] + 1;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
MPSiteEntity *site = [self siteInContext:[MPiOSAppDelegate managedObjectContextForMainThreadIfReady]];
if (indexPath.section == 0) {
if (indexPath.item == 0) {
MPGlobalAnswersCell *cell = [MPGlobalAnswersCell dequeueCellFromTableView:tableView indexPath:indexPath];
[cell setSite:site];
return cell;
}
if (indexPath.item == 1)
return [MPSendAnswersCell dequeueCellFromTableView:tableView indexPath:indexPath];
if (indexPath.item == 2) {
MPMultipleAnswersCell *cell = [MPMultipleAnswersCell dequeueCellFromTableView:tableView indexPath:indexPath];
cell.accessoryType = _multiple? UITableViewCellAccessoryCheckmark: UITableViewCellAccessoryNone;
return cell;
}
Throw( @"Unsupported row index: %@", indexPath );
}
MPAnswersQuestionCell *cell = [MPAnswersQuestionCell dequeueCellFromTableView:tableView indexPath:indexPath];
MPSiteQuestionEntity *question = nil;
if ([site.questions count] > indexPath.item)
question = site.questions[indexPath.item];
[cell setQuestion:question forSite:site inVC:self];
return cell;
}
#pragma mark - UITableViewDelegate
- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
if (indexPath.section == 0) {
if (indexPath.item == 0)
return 133;
return 44;
}
return 130;
}
- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
MPSiteEntity *site = [self siteInContext:[MPiOSAppDelegate managedObjectContextForMainThreadIfReady]];
UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
if ([cell isKindOfClass:[MPGlobalAnswersCell class]]) {
[PearlOverlay showTemporaryOverlayWithTitle:strl( @"Answer Copied" ) dismissAfter:2];
[UIPasteboard generalPasteboard].string = ((MPGlobalAnswersCell *)cell).answerField.text;
}
else if ([cell isKindOfClass:[MPMultipleAnswersCell class]]) {
if (!_multiple)
[self setMultiple:YES animated:YES];
else if (_multiple) {
if (![site.questions count])
[self setMultiple:NO animated:YES];
else
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[PearlAlert showAlertWithTitle:@"Remove Site Questions?" message:
@"Do you want to remove the questions you have configured for this site?"
viewStyle:UIAlertViewStyleDefault initAlert:nil
tappedButtonBlock:^(UIAlertView *alert, NSInteger buttonIndex) {
if (buttonIndex == [alert cancelButtonIndex])
return;
[MPiOSAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
MPSiteEntity *site_ = [self siteInContext:context];
NSOrderedSet *questions = [site_.questions copy];
for (MPSiteQuestionEntity *question in questions)
[context deleteObject:question];
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[context saveToStore];
[self setMultiple:NO animated:YES];
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}];
} cancelTitle:@"Cancel" otherTitles:@"Remove Questions", nil];
}
}
else if ([cell isKindOfClass:[MPSendAnswersCell class]]) {
NSString *body;
if (!_multiple) {
NSObject *answer = [site resolveSiteAnswerUsingKey:[MPiOSAppDelegate get].key];
body = strf( @"Master Password generated the following security answer for your site: %@\n\n"
@"%@\n"
@"\n\nYou should use this as the answer to each security question the site asks you.\n"
@"Do not share this answer with others!", site.name, answer );
}
else {
NSMutableString *bodyBuilder = [NSMutableString string];
[bodyBuilder appendFormat:@"Master Password generated the following security answers for your site: %@\n\n", site.name];
for (MPSiteQuestionEntity *question in site.questions) {
NSObject *answer = [question resolveQuestionAnswerUsingKey:[MPiOSAppDelegate get].key];
[bodyBuilder appendFormat:@"For question: '%@', use answer: %@\n", question.keyword, answer];
}
[bodyBuilder appendFormat:@"\n\nUse the answer for the matching security question.\n"
@"Do not share this answer with others!"];
body = bodyBuilder;
}
[PearlEMail sendEMailTo:nil fromVC:self subject:strf( @"Master Password security answers for %@", site.name ) body:body];
}
else if ([cell isKindOfClass:[MPAnswersQuestionCell class]]) {
[PearlOverlay showTemporaryOverlayWithTitle:strl( @"Answer Copied" ) dismissAfter:2];
[UIPasteboard generalPasteboard].string = ((MPAnswersQuestionCell *)cell).answerField.text;
}
[tableView deselectRowAtIndexPath:indexPath animated:YES];
}
#pragma mark - Private
- (void)updateAnimated:(BOOL)animated {
PearlMainQueue( ^{
UITableViewCell *multipleAnswersCell = [self.tableView cellForRowAtIndexPath:[NSIndexPath indexPathForItem:2 inSection:0]];
multipleAnswersCell.accessoryType = _multiple? UITableViewCellAccessoryCheckmark: UITableViewCellAccessoryNone;
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
[self.tableView reloadSections:[NSIndexSet indexSetWithIndex:1] withRowAnimation:UITableViewRowAnimationAutomatic];
}];
} );
}
- (void)didAddQuestion:(MPSiteQuestionEntity *)question toSite:(MPSiteEntity *)site {
NSUInteger newQuestionRow = [site.questions count];
PearlMainQueue( ^{
[self.tableView beginUpdates];
[self.tableView insertRowsAtIndexPaths:@[ [NSIndexPath indexPathForRow:newQuestionRow inSection:1] ]
withRowAnimation:UITableViewRowAnimationAutomatic];
[self.tableView endUpdates];
} );
}
@end
@implementation MPGlobalAnswersCell
#pragma mark - State
- (void)setSite:(MPSiteEntity *)site {
self.titleLabel.text = strl( @"Answer for %@:", site.name );
self.answerField.text = @"...";
[site resolveSiteAnswerUsingKey:[MPiOSAppDelegate get].key result:^(NSString *result) {
PearlMainQueue( ^{
self.answerField.text = result;
} );
}];
}
@end
@implementation MPSendAnswersCell
@end
@implementation MPMultipleAnswersCell
@end
@implementation MPAnswersQuestionCell {
NSManagedObjectID *_siteOID;
NSManagedObjectID *_questionOID;
__weak MPAnswersViewController *_answersVC;
}
#pragma mark - State
- (void)setQuestion:(MPSiteQuestionEntity *)question forSite:(MPSiteEntity *)site inVC:(MPAnswersViewController *)answersVC {
_siteOID = site.objectID;
_questionOID = question.objectID;
_answersVC = answersVC;
[self updateAnswerForQuestion:question ofSite:site];
}
#pragma mark - UITextFieldDelegate
- (BOOL)textFieldShouldReturn:(UITextField *)textField {
[textField resignFirstResponder];
return NO;
}
- (IBAction)textFieldDidChange:(UITextField *)textField {
NSString *keyword = textField.text;
[MPiOSAppDelegate managedObjectContextPerformBlock:^(NSManagedObjectContext *context) {
BOOL didAddQuestionObject = NO;
MPSiteEntity *site = [MPSiteEntity existingObjectWithID:_siteOID inContext:context];
MPSiteQuestionEntity *question = [MPSiteQuestionEntity existingObjectWithID:_questionOID inContext:context];
if (!question) {
didAddQuestionObject = YES;
[site addQuestionsObject:question = [MPSiteQuestionEntity insertNewObjectInContext:context]];
question.site = site;
}
question.keyword = keyword;
if ([context saveToStore]) {
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if ([question.objectID isTemporaryID]) {
NSError *error = nil;
[context obtainPermanentIDsForObjects:@[ question ] error:&error];
if (error)
err( @"Failed to obtain permanent object ID: %@", [error fullDescription] );
}
_questionOID = question.objectID;
[self updateAnswerForQuestion:question ofSite:site];
if (didAddQuestionObject)
[_answersVC didAddQuestion:question toSite:site];
}
}];
}
#pragma mark - Private
- (void)updateAnswerForQuestion:(MPSiteQuestionEntity *)question ofSite:(MPSiteEntity *)site {
if (!question)
PearlMainQueue( ^{
self.questionField.text = self.answerField.text = nil;
} );
else {
NSString *keyword = question.keyword;
PearlMainQueue( ^{
self.answerField.text = @"...";
} );
[question resolveQuestionAnswerUsingKey:[MPiOSAppDelegate get].key result:^(NSString *result) {
PearlMainQueue( ^{
self.questionField.text = keyword;
self.answerField.text = result;
} );
}];
}
}
@end