1
0
mirror of https://github.com/danog/Telegram.git synced 2024-12-02 09:27:55 +01:00
Telegram/Telegraph/TGUsernameController.m
2016-02-25 01:03:51 +01:00

332 lines
13 KiB
Objective-C

#import "TGUsernameController.h"
#import "TGProgressWindow.h"
#import "TGDatabase.h"
#import "TGTelegraph.h"
#import "ActionStage.h"
#import "TGCollectionMenuSection.h"
#import "TGCommentCollectionItem.h"
#import "TGUsernameCollectionItem.h"
#import "TGCollectionMenuLayout.h"
#import "TGAlertView.h"
typedef enum {
TGUsernameControllerUsernameStateNone,
TGUsernameControllerUsernameStateValid,
TGUsernameControllerUsernameStateTooShort,
TGUsernameControllerUsernameStateInvalidCharacters,
TGUsernameControllerUsernameStateStartsWithNumber,
TGUsernameControllerUsernameStateTaken,
TGUsernameControllerUsernameStateChecking
} TGUsernameControllerUsernameState;
@interface TGUsernameController () <ASWatcher>
{
TGUsernameCollectionItem *_usernameItem;
TGCommentCollectionItem *_invalidUsernameItem;
TGCommentCollectionItem *_hintItem;
NSString *_currentCheckPath;
TGProgressWindow *_progressWindow;
}
@property (nonatomic, strong) ASHandle *actionHandle;
@end
@implementation TGUsernameController
- (instancetype)init
{
self = [super init];
if (self != nil)
{
_actionHandle = [[ASHandle alloc] initWithDelegate:self releaseOnMainThread:true];
self.title = TGLocalized(@"Username.Title");
[self setLeftBarButtonItem:[[UIBarButtonItem alloc] initWithTitle:TGLocalized(@"Common.Cancel") style:UIBarButtonItemStylePlain target:self action:@selector(cancelPressed)]];
[self setRightBarButtonItem:[[UIBarButtonItem alloc] initWithTitle:TGLocalized(@"Common.Done") style:UIBarButtonItemStyleDone target:self action:@selector(donePressed)]];
TGUser *user = [TGDatabaseInstance() loadUser:TGTelegraphInstance.clientUserId];
_usernameItem = [[TGUsernameCollectionItem alloc] init];
_usernameItem.username = user.userName;
_usernameItem.usernameValid = true;
__weak TGUsernameController *weakSelf = self;
_usernameItem.usernameChanged = ^(NSString *username)
{
__strong TGUsernameController *strongSelf = weakSelf;
[strongSelf usernameChanged:username];
};
TGCommentCollectionItem *commentItem = [[TGCommentCollectionItem alloc] initWithFormattedText:TGLocalized(@"Username.Help")];
commentItem.topInset = 1.0f;
_invalidUsernameItem = [[TGCommentCollectionItem alloc] init];
_invalidUsernameItem.topInset = 6.0f;
_invalidUsernameItem.alpha = 0.0f;
_invalidUsernameItem.hidden = true;
_hintItem = [[TGCommentCollectionItem alloc] init];
_hintItem.topInset = 6.0f;
_hintItem.alpha = 1.0f;
_hintItem.hidden = false;
_hintItem.action = ^
{
__strong TGUsernameController *strongSelf = weakSelf;
if (strongSelf != nil)
{
if (strongSelf->_usernameItem.username.length != 0)
{
[[UIPasteboard generalPasteboard] setString:[[NSString alloc] initWithFormat:@"https://telegram.me/%@", strongSelf->_usernameItem.username]];
[[[TGAlertView alloc] initWithTitle:nil message:TGLocalized(@"Username.LinkCopied") cancelButtonTitle:TGLocalized(@"Common.OK") okButtonTitle:nil completionBlock:nil] show];
}
}
};
[self updateLinkHint:user.userName];
TGCollectionMenuSection *section = [[TGCollectionMenuSection alloc] initWithItems:@[_usernameItem, _invalidUsernameItem, commentItem, _hintItem]];
section.insets = UIEdgeInsetsMake(32.0f, 0.0f, 0.0f, 0.0f);
[self.menuSections addSection:section];
}
return self;
}
- (void)dealloc
{
[_actionHandle reset];
[ActionStageInstance() removeWatcher:self];
}
- (BOOL)shouldAutorotate
{
return true;
}
- (void)cancelPressed
{
[self.view endEditing:true];
[self.presentingViewController dismissViewControllerAnimated:true completion:nil];
}
- (void)donePressed
{
if (TGStringCompare(_usernameItem.username, [TGDatabaseInstance() loadUser:TGTelegraphInstance.clientUserId].userName))
{
[self.view endEditing:true];
[self.presentingViewController dismissViewControllerAnimated:true completion:nil];
}
else if (_usernameItem.username.length != 0 && ![self usernameIsValid:_usernameItem.username])
{
unichar c = [_usernameItem.username characterAtIndex:0];
if (c >= '0' && c <= '9')
{
[[[TGAlertView alloc] initWithTitle:TGLocalized(@"Username.InvalidStartsWithNumber") message:nil cancelButtonTitle:TGLocalized(@"Common.Cancel") okButtonTitle:nil completionBlock:nil] show];
}
else
{
[[[TGAlertView alloc] initWithTitle:TGLocalized(@"Username.InvalidCharacters") message:nil cancelButtonTitle:TGLocalized(@"Common.Cancel") okButtonTitle:nil completionBlock:nil] show];
}
}
else if (_usernameItem.username.length != 0 && _usernameItem.username.length < 5)
{
[[[TGAlertView alloc] initWithTitle:TGLocalized(@"Username.InvalidTooShort") message:nil cancelButtonTitle:TGLocalized(@"Common.Cancel") okButtonTitle:nil completionBlock:nil] show];
}
else
{
_progressWindow = [[TGProgressWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
[_progressWindow show:true];
[ActionStageInstance() requestActor:[[NSString alloc] initWithFormat:@"/tg/applyUsername/(%lu)", (unsigned long)[_usernameItem.username hash]] options:@{@"username": _usernameItem.username == nil ? @"" : _usernameItem.username} flags:0 watcher:self];
}
}
- (void)setUsernameState:(TGUsernameControllerUsernameState)state username:(NSString *)username
{
switch (state)
{
case TGUsernameControllerUsernameStateNone:
break;
case TGUsernameControllerUsernameStateValid:
_invalidUsernameItem.showProgress = false;
break;
case TGUsernameControllerUsernameStateTooShort:
_invalidUsernameItem.showProgress = false;
break;
case TGUsernameControllerUsernameStateInvalidCharacters:
_invalidUsernameItem.showProgress = false;
break;
case TGUsernameControllerUsernameStateStartsWithNumber:
_invalidUsernameItem.showProgress = false;
break;
case TGUsernameControllerUsernameStateTaken:
_invalidUsernameItem.showProgress = false;
break;
case TGUsernameControllerUsernameStateChecking:
_invalidUsernameItem.showProgress = true;
break;
}
[UIView animateWithDuration:0.3 delay:0.0 options:UIViewAnimationOptionBeginFromCurrentState animations:^
{
switch (state)
{
case TGUsernameControllerUsernameStateNone:
_invalidUsernameItem.alpha = 0.0f;
_invalidUsernameItem.hidden = true;
break;
case TGUsernameControllerUsernameStateValid:
[_invalidUsernameItem setText:[[NSString alloc] initWithFormat:TGLocalized(@"Username.UsernameIsAvailable"), username]];
_invalidUsernameItem.alpha = 1.0f;
_invalidUsernameItem.hidden = false;
_invalidUsernameItem.showProgress = false;
[_invalidUsernameItem setTextColor:UIColorRGB(0x26972c)];
break;
case TGUsernameControllerUsernameStateTooShort:
[_invalidUsernameItem setText:TGLocalized(@"Username.InvalidTooShort")];
_invalidUsernameItem.alpha = 1.0f;
_invalidUsernameItem.hidden = false;
_invalidUsernameItem.showProgress = false;
[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
break;
case TGUsernameControllerUsernameStateInvalidCharacters:
[_invalidUsernameItem setText:TGLocalized(@"Username.InvalidCharacters")];
_invalidUsernameItem.alpha = 1.0f;
_invalidUsernameItem.hidden = false;
_invalidUsernameItem.showProgress = false;
[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
break;
case TGUsernameControllerUsernameStateStartsWithNumber:
[_invalidUsernameItem setText:TGLocalized(@"Username.InvalidStartsWithNumber")];
_invalidUsernameItem.alpha = 1.0f;
_invalidUsernameItem.hidden = false;
_invalidUsernameItem.showProgress = false;
[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
break;
case TGUsernameControllerUsernameStateTaken:
[_invalidUsernameItem setText:TGLocalized(@"Username.InvalidTaken")];
_invalidUsernameItem.alpha = 1.0f;
_invalidUsernameItem.hidden = false;
_invalidUsernameItem.showProgress = false;
[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
break;
case TGUsernameControllerUsernameStateChecking:
[_invalidUsernameItem setText:[[NSString alloc] initWithFormat:@" %@", TGLocalized(@"Username.CheckingUsername")]];
_invalidUsernameItem.alpha = 1.0f;
_invalidUsernameItem.hidden = false;
_invalidUsernameItem.showProgress = true;
[_invalidUsernameItem setTextColor:UIColorRGB(0x6d6d72)];
break;
}
[self.collectionLayout invalidateLayout];
[self.collectionView layoutSubviews];
} completion:nil];
}
- (bool)usernameIsValid:(NSString *)username
{
for (NSUInteger i = 0; i < username.length; i++)
{
unichar c = [username characterAtIndex:i];
if (c == '_' && i != 0 && i != username.length - 1)
continue;
if (!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (i > 0 && c >= '0' && c <= '9')))
return false;
}
return true;
}
- (void)usernameChanged:(NSString *)username
{
if (_currentCheckPath != nil)
{
[ActionStageInstance() removeWatcher:self fromPath:_currentCheckPath];
_currentCheckPath = nil;
}
if (username.length == 0)
{
[self setUsernameState:TGUsernameControllerUsernameStateNone username:username];
}
else if (![self usernameIsValid:username])
{
unichar c = [username characterAtIndex:0];
TGUsernameControllerUsernameState state;
if (c >= '0' && c <= '9')
state = TGUsernameControllerUsernameStateStartsWithNumber;
else
state = TGUsernameControllerUsernameStateInvalidCharacters;
[self setUsernameState:state username:username];
}
else if (username.length < 5)
{
[self setUsernameState:TGUsernameControllerUsernameStateTooShort username:username];
}
else
{
[self setUsernameState:TGUsernameControllerUsernameStateChecking username:username];
_currentCheckPath = [[NSString alloc] initWithFormat:@"/tg/checkUsernameAvailability/(%d)", (int)[_usernameItem.username hash]];
[ActionStageInstance() requestActor:_currentCheckPath options:@{@"username": _usernameItem.username} flags:0 watcher:self];
}
[self updateLinkHint:username];
}
- (void)updateLinkHint:(NSString *)username
{
if (username.length == 0)
_hintItem.text = nil;
else
[_hintItem setFormattedText:[[NSString alloc] initWithFormat:TGLocalized(@"Username.LinkHint"), username]];
}
- (void)actorCompleted:(int)status path:(NSString *)path result:(id)result
{
if ([path isEqualToString:_currentCheckPath])
{
TGDispatchOnMainThread(^
{
_currentCheckPath = nil;
_usernameItem.usernameChecking = false;
if (status == ASStatusSuccess)
{
[self setUsernameState:[result[@"usernameValid"] boolValue] ? TGUsernameControllerUsernameStateValid : TGUsernameControllerUsernameStateTaken username:_usernameItem.username];
}
else
{
[self setUsernameState:TGUsernameControllerUsernameStateTaken username:_usernameItem.username];
}
});
}
else if ([path hasPrefix:@"/tg/applyUsername/"])
{
TGDispatchOnMainThread(^
{
if (status == ASStatusSuccess)
{
[_progressWindow dismissWithSuccess];
[self.view endEditing:true];
[self.presentingViewController dismissViewControllerAnimated:true completion:nil];
}
else
{
[_progressWindow dismiss:true];
[[[TGAlertView alloc] initWithTitle:TGLocalized(@"Username.InvalidTaken") message:nil cancelButtonTitle:TGLocalized(@"Common.OK") okButtonTitle:nil completionBlock:nil] show];
}
});
}
}
@end