Swiftgram/Classes/BITFeedbackListViewController.m

/*
 * Author: Andreas Linde <mail@andreaslinde.de>
 *
 * Copyright (c) 2012 HockeyApp, Bit Stadium GmbH.
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */


#import "HockeySDK.h"
#import "HockeySDKPrivate.h"

#import "BITFeedbackManagerPrivate.h"
#import "BITFeedbackListViewController.h"
#import "BITFeedbackListViewCell.h"
#import "BITFeedbackComposeViewController.h"
#import "BITFeedbackUserDataViewController.h"
#import "BITFeedbackMessage.h"
#import "BITAttributedLabel.h"

#import "BITHockeyHelper.h"
#import <QuartzCore/QuartzCore.h>


#define DEFAULT_BACKGROUNDCOLOR BIT_RGBCOLOR(245, 245, 245)
#define DEFAULT_TEXTCOLOR BIT_RGBCOLOR(75, 75, 75)

#define BUTTON_BORDERCOLOR BIT_RGBCOLOR(175, 175, 175)
#define BUTTON_BACKGROUNDCOLOR BIT_RGBCOLOR(225, 225, 225)
#define BUTTON_TEXTCOLOR BIT_RGBCOLOR(58, 58, 58)
#define BUTTON_TEXTCOLOR_SHADOW BIT_RGBCOLOR(175, 175, 175)

#define BUTTON_DELETE_BORDERCOLOR BIT_RGBCOLOR(61, 61, 61)
#define BUTTON_DELETE_BACKGROUNDCOLOR BIT_RGBCOLOR(225, 0, 0)
#define BUTTON_DELETE_TEXTCOLOR BIT_RGBCOLOR(240, 240, 240)
#define BUTTON_DELETE_TEXTCOLOR_SHADOW BIT_RGBCOLOR(175, 175, 175)

#define BORDER_COLOR BIT_RGBCOLOR(215, 215, 215)


@interface BITFeedbackListViewController () <BITFeedbackUserDataDelegate, BITAttributedLabelDelegate>

@property (nonatomic, weak) BITFeedbackManager *manager;
@property (nonatomic, strong) NSDateFormatter *lastUpdateDateFormatter;

@end


@implementation BITFeedbackListViewController {
  NSInteger _deleteButtonSection;
  NSInteger _userButtonSection;
}

- (id)init {
  if ((self = [super init])) {
    _manager = [BITHockeyManager sharedHockeyManager].feedbackManager;
    
    _deleteButtonSection = -1;
    _userButtonSection = -1;
    
    self.lastUpdateDateFormatter = [[NSDateFormatter alloc] init];
		[self.lastUpdateDateFormatter setDateStyle:NSDateFormatterShortStyle];
		[self.lastUpdateDateFormatter setTimeStyle:NSDateFormatterShortStyle];
		self.lastUpdateDateFormatter.locale = [NSLocale currentLocale];
  }
  return self;
}


- (void)dealloc {
  [[NSNotificationCenter defaultCenter] removeObserver:self name:BITHockeyFeedbackMessagesLoadingStarted object:nil];
  [[NSNotificationCenter defaultCenter] removeObserver:self name:BITHockeyFeedbackMessagesLoadingFinished object:nil];

  
}


#pragma mark - View lifecycle

- (void)viewDidLoad {
  [super viewDidLoad];

  [[NSNotificationCenter defaultCenter] addObserver:self
                                           selector:@selector(startLoadingIndicator)
                                               name:BITHockeyFeedbackMessagesLoadingStarted
                                             object:nil];

  [[NSNotificationCenter defaultCenter] addObserver:self
                                           selector:@selector(updateList)
                                               name:BITHockeyFeedbackMessagesLoadingFinished
                                             object:nil];
  
  self.title = BITHockeyLocalizedString(@"HockeyFeedbackListTitle");
  
  self.tableView.delegate = self;
  self.tableView.dataSource = self;
  self.tableView.separatorStyle = UITableViewCellSeparatorStyleNone;
  [self.tableView setAutoresizingMask:UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth];
  [self.tableView setBackgroundColor:[UIColor colorWithRed:0.82 green:0.84 blue:0.84 alpha:1]];
  [self.tableView setSeparatorColor:[UIColor colorWithRed:0.79 green:0.79 blue:0.79 alpha:1]];

  self.view.backgroundColor = DEFAULT_BACKGROUNDCOLOR;

  id refreshClass = NSClassFromString(@"UIRefreshControl");
  if (refreshClass) {
    self.refreshControl = [[UIRefreshControl alloc] init];
    [self.refreshControl addTarget:self action:@selector(reloadList) forControlEvents:UIControlEventValueChanged];
  } else {
    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemRefresh
                                                                                            target:self
                                                                                            action:@selector(reloadList)];
  }  
}

- (void)startLoadingIndicator {
  id refreshClass = NSClassFromString(@"UIRefreshControl");
  if (refreshClass) {
    [self.refreshControl beginRefreshing];
  } else {
    self.navigationItem.rightBarButtonItem.enabled = NO;
  }
}

- (void)stopLoadingIndicator {
  id refreshClass = NSClassFromString(@"UIRefreshControl");
  if (refreshClass) {
    [self.refreshControl endRefreshing];
  } else {
    self.navigationItem.rightBarButtonItem.enabled = YES;
  }
}

- (BOOL)isRefreshingWithNewControl {
  id refreshClass = NSClassFromString(@"UIRefreshControl");
  if (refreshClass) {
    return [self.refreshControl isRefreshing];
  }
  return NO;
}

- (void)reloadList {
  [self startLoadingIndicator];
  
  [self.manager updateMessagesList];
}

- (void)updateList {
  CGSize contentSize = self.tableView.contentSize;
  CGPoint contentOffset = self.tableView.contentOffset;
  
  [self.tableView reloadData];
  if (contentSize.height > 0 && self.tableView.contentSize.height > contentSize.height && ![self isRefreshingWithNewControl])
    [self.tableView setContentOffset:CGPointMake(contentOffset.x, self.tableView.contentSize.height - contentSize.height + contentOffset.y) animated:NO];
  
  [self stopLoadingIndicator];

  [self.tableView flashScrollIndicators];
}

- (void)viewWillAppear:(BOOL)animated {
  self.manager.currentFeedbackListViewController = self;
  
  [self.manager updateMessagesListIfRequired];
  
  [self.tableView reloadData];

  [super viewWillAppear:animated];
}

- (void)viewWillDisappear:(BOOL)animated {
  self.manager.currentFeedbackListViewController = nil;
  
  [super viewWillDisappear:animated];
}


#pragma mark - Private methods

- (void)setUserDataAction:(id)sender {
  BITFeedbackUserDataViewController *userController = [[BITFeedbackUserDataViewController alloc] initWithStyle:UITableViewStyleGrouped];
  userController.delegate = self;
  
  UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:userController];
  navController.modalPresentationStyle = UIModalPresentationFormSheet;
  
  [self presentViewController:navController animated:YES completion:nil];
}

- (void)newFeedbackAction:(id)sender {
  BITFeedbackComposeViewController *composeController = [[BITFeedbackComposeViewController alloc] init];
  
  UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:composeController];
  navController.modalPresentationStyle = UIModalPresentationFormSheet;
  
  [self presentViewController:navController animated:YES completion:nil];
}

- (void)deleteAllMessages {
  [_manager deleteAllMessages];
  [self.tableView reloadData];
}

- (void)deleteAllMessagesAction:(id)sender {
  if (UI_USER_INTERFACE_IDIOM() != UIUserInterfaceIdiomPad) {
    UIActionSheet *deleteAction = [[UIActionSheet alloc] initWithTitle:BITHockeyLocalizedString(@"HockeyFeedbackListDeleteAllTitle")
                                                              delegate:self
                                                     cancelButtonTitle:BITHockeyLocalizedString(@"HockeyFeedbackListDeleteAllCancel")
                                                destructiveButtonTitle:BITHockeyLocalizedString(@"HockeyFeedbackListDeleteAllDelete")
                                                     otherButtonTitles:nil
                                   ];
    [deleteAction setTag:0];
    [deleteAction setActionSheetStyle:UIActionSheetStyleBlackTranslucent];
    [deleteAction showInView:self.view];
  } else {
    UIAlertView *deleteAction = [[UIAlertView alloc] initWithTitle:BITHockeyLocalizedString(@"HockeyFeedbackListButonDeleteAllMessages")
                                                           message:BITHockeyLocalizedString(@"HockeyFeedbackListDeleteAllTitle")
                                                       delegate:self
                                              cancelButtonTitle:BITHockeyLocalizedString(@"HockeyFeedbackListDeleteAllCancel")
                                              otherButtonTitles:BITHockeyLocalizedString(@"HockeyFeedbackListDeleteAllDelete"), nil];
    
    [deleteAction setTag:0];
    [deleteAction show];
  }
}


#pragma mark - BITFeedbackUserDataDelegate

-(void)userDataUpdateCancelled {
  [self dismissViewControllerAnimated:YES completion:^(void){}];
}

-(void)userDataUpdateFinished {
  [self.manager saveMessages];
  
  [self dismissViewControllerAnimated:YES completion:^(void){}];
}


#pragma mark - UIViewController Rotation

- (void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation duration:(NSTimeInterval)duration {
  [self.tableView beginUpdates];
  [self.tableView endUpdates];
}

- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)orientation {
  return YES;
}


#pragma mark - Table view data source

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
  NSInteger rows = 2;
  _deleteButtonSection = -1;
  _userButtonSection = -1;
  
  if ([self.manager isManualUserDataAvailable] || [self.manager didAskUserData]) {
    _userButtonSection = rows;
    rows++;
  }
  
  if ([self.manager numberOfMessages] > 0) {
    _deleteButtonSection = rows;
    rows++;
  }
  
  return rows;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
  if (section == 1) {
    return [self.manager numberOfMessages];
  } else {
    return 1;
  }
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
  static NSString *CellIdentifier = @"MessageCell";
  static NSString *LastUpdateIdentifier = @"LastUpdateCell";
  static NSString *ButtonTopIdentifier = @"ButtonTopCell";
  static NSString *ButtonBottomIdentifier = @"ButtonBottomCell";
  static NSString *ButtonDeleteIdentifier = @"ButtonDeleteCell";
  
  if (indexPath.section == 0 && indexPath.row == 1) {
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:LastUpdateIdentifier];
    
    if (!cell) {
      cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:LastUpdateIdentifier];
      cell.textLabel.font = [UIFont systemFontOfSize:10];
      cell.textLabel.textColor = DEFAULT_TEXTCOLOR;
      cell.accessoryType = UITableViewCellAccessoryNone;
      cell.selectionStyle = UITableViewCellSelectionStyleNone;
      cell.textLabel.textAlignment = UITextAlignmentCenter;
    }
    
    cell.textLabel.text = [NSString stringWithFormat:BITHockeyLocalizedString(@"HockeyFeedbackListLastUpdated"),
                           [self.manager lastCheck] ? [self.lastUpdateDateFormatter stringFromDate:[self.manager lastCheck]] : BITHockeyLocalizedString(@"HockeyFeedbackListNeverUpdated")];
    
    return cell;
  } else if (indexPath.section == 0 || indexPath.section >= 2) {
    CGFloat topGap = 0.0f;
    
    UITableViewCell *cell = nil;
    
    NSString *identifier = nil;
    
    if (indexPath.section == 0) {
      identifier = ButtonTopIdentifier;
    } else if (indexPath.section == _userButtonSection) {
      identifier = ButtonBottomIdentifier;
    } else {
      identifier = ButtonDeleteIdentifier;
    }
    
    cell = [tableView dequeueReusableCellWithIdentifier:identifier];
    
    if (!cell) {
      cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier];

      cell.textLabel.font = [UIFont systemFontOfSize:14];
      cell.textLabel.numberOfLines = 0;
      cell.accessoryType = UITableViewCellAccessoryNone;
      cell.selectionStyle = UITableViewCellSelectionStyleNone;
    }
    
    // button
    UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
    button.autoresizingMask = UIViewAutoresizingFlexibleWidth;
    [button.layer setCornerRadius:10.0f];
    [button.layer setBorderWidth:1];
    [button.layer setBackgroundColor:BUTTON_BACKGROUNDCOLOR.CGColor];
    [button.layer setBorderColor:BUTTON_BORDERCOLOR.CGColor];
    [button.layer setShadowOffset:CGSizeMake(-1, -1)];
    [[button titleLabel] setFont:[UIFont boldSystemFontOfSize:14.0]];
    [button setTitleColor:BUTTON_TEXTCOLOR forState:UIControlStateNormal];
    [button setTitleShadowColor:BUTTON_TEXTCOLOR_SHADOW forState:UIControlStateNormal];
    if (indexPath.section == 0) {
      topGap = 22;
      if ([self.manager numberOfMessages] == 0) {
        [button setTitle:BITHockeyLocalizedString(@"HockeyFeedbackListButonWriteFeedback") forState:UIControlStateNormal];
      } else {
        [button setTitle:BITHockeyLocalizedString(@"HockeyFeedbackListButonWriteResponse") forState:UIControlStateNormal];
      }
      [button addTarget:self action:@selector(newFeedbackAction:) forControlEvents:UIControlEventTouchUpInside];
    } else if (indexPath.section == _userButtonSection) {
      topGap = 6.0f;
      NSString *title = @"";
      if ([self.manager requireUserName] == BITFeedbackUserDataElementRequired ||
          ([self.manager requireUserName] == BITFeedbackUserDataElementOptional && [self.manager userName] != nil)
          ) {
        title = [NSString stringWithFormat:BITHockeyLocalizedString(@"HockeyFeedbackListButonUserDataWithName"), [self.manager userName]];
      } else if ([self.manager requireUserEmail] == BITFeedbackUserDataElementRequired ||
                 ([self.manager requireUserEmail] == BITFeedbackUserDataElementOptional && [self.manager userEmail] != nil)
                 ) {
        title = [NSString stringWithFormat:BITHockeyLocalizedString(@"HockeyFeedbackListButonUserDataWithEmail"), [self.manager userEmail]];
      } else if ([self.manager requireUserName] == BITFeedbackUserDataElementOptional) {
        title = BITHockeyLocalizedString(@"HockeyFeedbackListButonUserDataSetName");
      } else {
        title = BITHockeyLocalizedString(@"HockeyFeedbackListButonUserDataSetEmail");
      }
      [button setTitle:title forState:UIControlStateNormal];
      [button addTarget:self action:@selector(setUserDataAction:) forControlEvents:UIControlEventTouchUpInside];
    } else {
      topGap = 0.0f;
      [button.layer setBackgroundColor:BUTTON_DELETE_BACKGROUNDCOLOR.CGColor];
      [button.layer setBorderColor:BUTTON_DELETE_BORDERCOLOR.CGColor];
      [button setTitleColor:BUTTON_DELETE_TEXTCOLOR forState:UIControlStateNormal];
      [button setTitleShadowColor:BUTTON_DELETE_TEXTCOLOR_SHADOW forState:UIControlStateNormal];

      [button setTitle:BITHockeyLocalizedString(@"HockeyFeedbackListButonDeleteAllMessages") forState:UIControlStateNormal];
      [button addTarget:self action:@selector(deleteAllMessagesAction:) forControlEvents:UIControlEventTouchUpInside];
    }
    
    [button setFrame: CGRectMake( 10.0f, topGap + 12.0f, cell.frame.size.width - 20.0f, 42.0f)];
    
    [cell addSubview:button];
    
    // status label or shadow lines
    if (indexPath.section == 0) {
      UILabel *statusLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 6, cell.frame.size.width, 28)];
      
      statusLabel.font = [UIFont systemFontOfSize:10];
      statusLabel.textColor = DEFAULT_TEXTCOLOR;
      statusLabel.textAlignment = UITextAlignmentCenter;
      statusLabel.backgroundColor = DEFAULT_BACKGROUNDCOLOR;
      statusLabel.autoresizingMask = UIViewAutoresizingFlexibleWidth;

      statusLabel.text = [NSString stringWithFormat:BITHockeyLocalizedString(@"HockeyFeedbackListLastUpdated"),
                             [self.manager lastCheck] ? [self.lastUpdateDateFormatter stringFromDate:[self.manager lastCheck]] : BITHockeyLocalizedString(@"HockeyFeedbackListNeverUpdated")];

      [cell addSubview:statusLabel];
    } else if (indexPath.section == 2) {
      UIView *lineView1 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, cell.frame.size.width, 1)];
      lineView1.backgroundColor = BORDER_COLOR;
      lineView1.autoresizingMask = UIViewAutoresizingFlexibleWidth;
      [cell addSubview:lineView1];
    }
    
    return cell;
  } else {
    BITFeedbackListViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    
    if (!cell) {
      cell = [[BITFeedbackListViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier];
      cell.accessoryType = UITableViewCellAccessoryNone;
      cell.selectionStyle = UITableViewCellSelectionStyleNone;
    }
    
    if (indexPath.row == 0 || indexPath.row % 2 == 0) {
      cell.backgroundStyle = BITFeedbackListViewCellBackgroundStyleAlternate;
    } else {
      cell.backgroundStyle = BITFeedbackListViewCellBackgroundStyleNormal;
    }
    
    BITFeedbackMessage *message = [self.manager messageAtIndex:indexPath.row];
    cell.message = message;
    cell.labelText.delegate = self;
    cell.labelText.userInteractionEnabled = YES;

    UIView *lineView1 = [[UIView alloc] initWithFrame:CGRectMake(0, 0, cell.frame.size.width, 1)];
    lineView1.backgroundColor = BORDER_COLOR;
    lineView1.autoresizingMask = UIViewAutoresizingFlexibleWidth;
    [cell addSubview:lineView1];

    return cell;
  }
}


- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
  if (indexPath.section == 1)
    return YES;
  
  return NO;
}

- (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
  if (editingStyle == UITableViewCellEditingStyleDelete) {
    if ([_manager deleteMessageAtIndex:indexPath.row]) {
      if ([_manager numberOfMessages] > 0) {
        [tableView deleteRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationAutomatic];
      } else {
        [tableView reloadData];
      }
    }
  }
}


#pragma mark - Table view delegate

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
  if (indexPath.section == 0 ) {
    return 87;
  }
  if (indexPath.section >= 2) {
    return 65;
  }
  
  BITFeedbackMessage *message = [self.manager messageAtIndex:indexPath.row];
  if (!message) return 44;
  
  return [BITFeedbackListViewCell heightForRowWithMessage:message tableViewWidth:self.view.frame.size.width];
}


#pragma mark - BITAttributedLabelDelegate

- (void)attributedLabel:(BITAttributedLabel *)label didSelectLinkWithURL:(NSURL *)url {
  if (UI_USER_INTERFACE_IDIOM() != UIUserInterfaceIdiomPad) {
    UIActionSheet *linkAction = [[UIActionSheet alloc] initWithTitle:[url absoluteString]
                                                            delegate:self
                                                   cancelButtonTitle:BITHockeyLocalizedString(@"HockeyFeedbackListLinkActionCancel")
                                              destructiveButtonTitle:nil
                                                   otherButtonTitles:BITHockeyLocalizedString(@"HockeyFeedbackListLinkActionOpen"), BITHockeyLocalizedString(@"HockeyFeedbackListLinkActionCopy"), nil
                                 ];
    [linkAction setTag:1];
    [linkAction setActionSheetStyle:UIActionSheetStyleBlackTranslucent];
    [linkAction showInView:self.view];
  } else {
    UIAlertView *linkAction = [[UIAlertView alloc] initWithTitle:[url absoluteString]
                                                         message:nil
                                                        delegate:self
                                               cancelButtonTitle:BITHockeyLocalizedString(@"HockeyFeedbackListLinkActionCancel")
                                               otherButtonTitles:BITHockeyLocalizedString(@"HockeyFeedbackListLinkActionOpen"), BITHockeyLocalizedString(@"HockeyFeedbackListLinkActionCopy"), nil
                               ];
    
    [linkAction setTag:1];
    [linkAction show];
  }
}


#pragma mark - UIAlertViewDelegate

- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex {
  if (buttonIndex == alertView.cancelButtonIndex) {
    return;
  }
  
  if ([alertView tag] == 0) {
    if (buttonIndex == [alertView firstOtherButtonIndex]) {
      [self deleteAllMessages];
    }
  } else {
    if (buttonIndex == [alertView firstOtherButtonIndex]) {
      [[UIApplication sharedApplication] openURL:[NSURL URLWithString:alertView.title]];
    } else {
      UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
      pasteboard.URL = [NSURL URLWithString:alertView.title];
    }
  }
}


#pragma mark - UIActionSheetDelegate

- (void)actionSheet:(UIActionSheet *)actionSheet didDismissWithButtonIndex:(NSInteger)buttonIndex {
  if (buttonIndex == actionSheet.cancelButtonIndex) {
    return;
  }

  if ([actionSheet tag] == 0) {
    if (buttonIndex == [actionSheet destructiveButtonIndex]) {
      [self deleteAllMessages];
    }
  } else {
    if (buttonIndex == [actionSheet firstOtherButtonIndex]) {
      [[UIApplication sharedApplication] openURL:[NSURL URLWithString:actionSheet.title]];
    } else {
      UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
      pasteboard.URL = [NSURL URLWithString:actionSheet.title];
    }
  }
}

@end