mirror of
https://github.com/danog/Telegram.git
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386 lines
16 KiB
Objective-C
386 lines
16 KiB
Objective-C
#import "TGChannelLinkSetupController.h"
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#import "TGProgressWindow.h"
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#import "TGDatabase.h"
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#import "TGTelegraph.h"
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#import "ActionStage.h"
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#import "TGCollectionMenuSection.h"
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#import "TGCommentCollectionItem.h"
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#import "TGUsernameCollectionItem.h"
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#import "TGCollectionMenuLayout.h"
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#import "TGAlertView.h"
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#import "TGChannelManagementSignals.h"
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#import "TGTelegramNetworking.h"
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typedef enum {
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TGUsernameControllerUsernameStateNone,
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TGUsernameControllerUsernameStateValid,
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TGUsernameControllerUsernameStateTooShort,
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TGUsernameControllerUsernameStateInvalidCharacters,
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TGUsernameControllerUsernameStateStartsWithNumber,
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TGUsernameControllerUsernameStateTaken,
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TGUsernameControllerUsernameStateChecking,
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TGUsernameControllerUsernameStateTooManyUsernames
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} TGUsernameControllerUsernameState;
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@interface TGChannelLinkSetupController ()
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{
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TGConversation *_conversation;
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TGUsernameCollectionItem *_usernameItem;
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TGCommentCollectionItem *_invalidUsernameItem;
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TGCommentCollectionItem *_hintItem;
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SMetaDisposable *_checkUsernameDisposable;
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SMetaDisposable *_updateUsernameDisposable;
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void (^_block)(NSString *);
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}
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@end
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@implementation TGChannelLinkSetupController
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- (instancetype)initWithConversation:(TGConversation *)conversation
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{
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self = [super init];
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if (self != nil)
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{
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_conversation = conversation;
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[self commonInit];
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}
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return self;
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}
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- (instancetype)initWithBlock:(void (^)(NSString *username))block
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{
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self = [super init];
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if (self != nil)
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{
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_block = [block copy];
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[self commonInit];
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}
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return self;
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}
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- (void)commonInit {
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self.title = TGLocalized(@"Channel.Username.Title");
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[self setLeftBarButtonItem:[[UIBarButtonItem alloc] initWithTitle:TGLocalized(@"Common.Cancel") style:UIBarButtonItemStylePlain target:self action:@selector(cancelPressed)]];
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[self setRightBarButtonItem:[[UIBarButtonItem alloc] initWithTitle:TGLocalized(@"Common.Done") style:UIBarButtonItemStyleDone target:self action:@selector(donePressed)]];
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_usernameItem = [[TGUsernameCollectionItem alloc] init];
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_usernameItem.username = _conversation.username;
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_usernameItem.usernameValid = true;
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_usernameItem.placeholder = @"";
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_usernameItem.title = @"";
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_usernameItem.prefix = @"telegram.me/";
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__weak TGChannelLinkSetupController *weakSelf = self;
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_usernameItem.usernameChanged = ^(NSString *username)
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{
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__strong TGChannelLinkSetupController *strongSelf = weakSelf;
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[strongSelf usernameChanged:username];
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};
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TGCommentCollectionItem *commentItem = [[TGCommentCollectionItem alloc] initWithFormattedText:TGLocalized(@"Channel.Username.Help")];
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commentItem.topInset = 1.0f;
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_invalidUsernameItem = [[TGCommentCollectionItem alloc] init];
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_invalidUsernameItem.topInset = 6.0f;
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_invalidUsernameItem.alpha = 0.0f;
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_invalidUsernameItem.hidden = true;
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_hintItem = [[TGCommentCollectionItem alloc] init];
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_hintItem.topInset = 6.0f;
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_hintItem.alpha = 1.0f;
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_hintItem.hidden = false;
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_hintItem.action = ^
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{
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__strong TGChannelLinkSetupController *strongSelf = weakSelf;
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if (strongSelf != nil)
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{
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if (strongSelf->_usernameItem.username.length != 0)
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{
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[[UIPasteboard generalPasteboard] setString:[[NSString alloc] initWithFormat:@"http://telegram.me/%@", strongSelf->_usernameItem.username]];
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[[[TGAlertView alloc] initWithTitle:nil message:TGLocalized(@"Username.LinkCopied") cancelButtonTitle:TGLocalized(@"Common.OK") okButtonTitle:nil completionBlock:nil] show];
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}
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}
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};
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[self updateLinkHint:_conversation.username];
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TGCollectionMenuSection *section = [[TGCollectionMenuSection alloc] initWithItems:@[_usernameItem, _invalidUsernameItem, commentItem, _hintItem]];
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section.insets = UIEdgeInsetsMake(32.0f, 0.0f, 0.0f, 0.0f);
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[self.menuSections addSection:section];
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_checkUsernameDisposable = [[SMetaDisposable alloc] init];
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_updateUsernameDisposable = [[SMetaDisposable alloc] init];
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}
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- (void)dealloc
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{
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[_checkUsernameDisposable dispose];
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[_updateUsernameDisposable dispose];
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}
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- (BOOL)shouldAutorotate
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{
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return true;
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}
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- (void)cancelPressed
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{
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[self.view endEditing:true];
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[self.presentingViewController dismissViewControllerAnimated:true completion:nil];
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}
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- (void)donePressed
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{
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if (TGStringCompare(_usernameItem.username, _conversation.username))
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{
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[self.view endEditing:true];
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[self.presentingViewController dismissViewControllerAnimated:true completion:nil];
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}
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else if (_usernameItem.username.length != 0 && ![self usernameIsValid:_usernameItem.username])
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{
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unichar c = [_usernameItem.username characterAtIndex:0];
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if (c >= '0' && c <= '9')
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{
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[[[TGAlertView alloc] initWithTitle:TGLocalized(@"Username.InvalidStartsWithNumber") message:nil cancelButtonTitle:TGLocalized(@"Common.Cancel") okButtonTitle:nil completionBlock:nil] show];
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}
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else
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{
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[[[TGAlertView alloc] initWithTitle:TGLocalized(@"Username.InvalidCharacters") message:nil cancelButtonTitle:TGLocalized(@"Common.Cancel") okButtonTitle:nil completionBlock:nil] show];
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}
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}
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else if (_usernameItem.username.length != 0 && _usernameItem.username.length < 5)
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{
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[[[TGAlertView alloc] initWithTitle:TGLocalized(@"Username.InvalidTooShort") message:nil cancelButtonTitle:TGLocalized(@"Common.Cancel") okButtonTitle:nil completionBlock:nil] show];
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}
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else
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{
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__weak TGChannelLinkSetupController *weakSelf = self;
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void (^continueSetup)() = ^{
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__strong TGChannelLinkSetupController *strongSelf = weakSelf;
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if (strongSelf != nil) {
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if (strongSelf->_block != nil) {
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[self.view endEditing:true];
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[self.presentingViewController dismissViewControllerAnimated:true completion:nil];
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strongSelf->_block(strongSelf->_usernameItem.username);
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} else {
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TGProgressWindow *progressWindow = [[TGProgressWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
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[progressWindow show:true];
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__weak TGChannelLinkSetupController *weakSelf = self;
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[[[[TGChannelManagementSignals updateChannelUsername:strongSelf->_conversation.conversationId accessHash:strongSelf->_conversation.accessHash username:strongSelf->_usernameItem.username] deliverOn:[SQueue mainQueue]] onDispose:^{
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TGDispatchOnMainThread(^{
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[progressWindow dismiss:true];
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});
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}] startWithNext:nil error:^(__unused id error) {
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__strong TGChannelLinkSetupController *strongSelf = weakSelf;
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if (strongSelf != nil) {
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[[[TGAlertView alloc] initWithTitle:TGLocalized(@"Username.InvalidTaken") message:nil cancelButtonTitle:TGLocalized(@"Common.OK") okButtonTitle:nil completionBlock:nil] show];
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}
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} completed:^{
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__strong TGChannelLinkSetupController *strongSelf = weakSelf;
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if (strongSelf != nil) {
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[strongSelf.view endEditing:true];
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[strongSelf.presentingViewController dismissViewControllerAnimated:true completion:nil];
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}
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}];
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}
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}
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};
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if (_usernameItem.username.length != 0 && _conversation.username.length == 0) {
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[[[TGAlertView alloc] initWithTitle:nil message:TGLocalized(@"Channel.Edit.PrivatePublicLinkAlert") cancelButtonTitle:TGLocalized(@"Common.Cancel") okButtonTitle:TGLocalized(@"Common.OK") completionBlock:^(bool okButtonPressed) {
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if (okButtonPressed) {
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continueSetup();
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}
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}] show];;
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} else {
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continueSetup();
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}
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}
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}
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- (void)setUsernameState:(TGUsernameControllerUsernameState)state username:(NSString *)username
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{
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bool valid = false;
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switch (state)
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{
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case TGUsernameControllerUsernameStateNone:
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_invalidUsernameItem.showProgress = false;
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valid = true;
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break;
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case TGUsernameControllerUsernameStateValid:
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_invalidUsernameItem.showProgress = false;
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valid = true;
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break;
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case TGUsernameControllerUsernameStateTooShort:
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_invalidUsernameItem.showProgress = false;
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break;
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case TGUsernameControllerUsernameStateInvalidCharacters:
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_invalidUsernameItem.showProgress = false;
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break;
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case TGUsernameControllerUsernameStateStartsWithNumber:
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_invalidUsernameItem.showProgress = false;
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break;
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case TGUsernameControllerUsernameStateTaken:
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_invalidUsernameItem.showProgress = false;
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break;
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case TGUsernameControllerUsernameStateTooManyUsernames:
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_invalidUsernameItem.showProgress = false;
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break;
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case TGUsernameControllerUsernameStateChecking:
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_invalidUsernameItem.showProgress = true;
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break;
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}
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self.navigationItem.rightBarButtonItem.enabled = !_invalidUsernameItem.showProgress && valid;
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[UIView animateWithDuration:0.3 delay:0.0 options:UIViewAnimationOptionBeginFromCurrentState animations:^
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{
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switch (state)
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{
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case TGUsernameControllerUsernameStateNone:
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_invalidUsernameItem.alpha = 0.0f;
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_invalidUsernameItem.hidden = true;
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break;
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case TGUsernameControllerUsernameStateValid:
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[_invalidUsernameItem setText:[[NSString alloc] initWithFormat:TGLocalized(@"Channel.Username.UsernameIsAvailable"), username]];
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_invalidUsernameItem.alpha = 1.0f;
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_invalidUsernameItem.hidden = false;
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_invalidUsernameItem.showProgress = false;
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[_invalidUsernameItem setTextColor:UIColorRGB(0x26972c)];
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break;
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case TGUsernameControllerUsernameStateTooShort:
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[_invalidUsernameItem setText:TGLocalized(@"Channel.Username.InvalidTooShort")];
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_invalidUsernameItem.alpha = 1.0f;
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_invalidUsernameItem.hidden = false;
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_invalidUsernameItem.showProgress = false;
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[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
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break;
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case TGUsernameControllerUsernameStateInvalidCharacters:
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[_invalidUsernameItem setText:TGLocalized(@"Channel.Username.InvalidCharacters")];
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_invalidUsernameItem.alpha = 1.0f;
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_invalidUsernameItem.hidden = false;
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_invalidUsernameItem.showProgress = false;
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[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
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break;
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case TGUsernameControllerUsernameStateStartsWithNumber:
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[_invalidUsernameItem setText:TGLocalized(@"Channel.Username.InvalidStartsWithNumber")];
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_invalidUsernameItem.alpha = 1.0f;
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_invalidUsernameItem.hidden = false;
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_invalidUsernameItem.showProgress = false;
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[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
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break;
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case TGUsernameControllerUsernameStateTaken:
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[_invalidUsernameItem setText:TGLocalized(@"Channel.Username.InvalidTaken")];
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_invalidUsernameItem.alpha = 1.0f;
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_invalidUsernameItem.hidden = false;
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_invalidUsernameItem.showProgress = false;
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[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
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break;
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case TGUsernameControllerUsernameStateTooManyUsernames:
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[_invalidUsernameItem setText:TGLocalized(@"Channel.Username.InvalidTooManyUsernames")];
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_invalidUsernameItem.alpha = 1.0f;
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_invalidUsernameItem.hidden = false;
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_invalidUsernameItem.showProgress = false;
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[_invalidUsernameItem setTextColor:UIColorRGB(0xcf3030)];
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break;
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case TGUsernameControllerUsernameStateChecking:
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[_invalidUsernameItem setText:[[NSString alloc] initWithFormat:@" %@", TGLocalized(@"Channel.Username.CheckingUsername")]];
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_invalidUsernameItem.alpha = 1.0f;
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_invalidUsernameItem.hidden = false;
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_invalidUsernameItem.showProgress = true;
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[_invalidUsernameItem setTextColor:UIColorRGB(0x6d6d72)];
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break;
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}
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[self.collectionLayout invalidateLayout];
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[self.collectionView layoutSubviews];
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} completion:nil];
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}
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- (bool)usernameIsValid:(NSString *)username
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{
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for (NSUInteger i = 0; i < username.length; i++)
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{
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unichar c = [username characterAtIndex:i];
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if (c == '_' && i != 0 && i != username.length - 1)
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continue;
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if (!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (i > 0 && c >= '0' && c <= '9')))
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return false;
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}
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return true;
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}
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- (void)usernameChanged:(NSString *)username
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{
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[_checkUsernameDisposable setDisposable:nil];
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if (username.length == 0)
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{
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[self setUsernameState:TGUsernameControllerUsernameStateNone username:username];
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}
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else if (![self usernameIsValid:username])
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{
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unichar c = [username characterAtIndex:0];
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TGUsernameControllerUsernameState state;
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if (c >= '0' && c <= '9')
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state = TGUsernameControllerUsernameStateStartsWithNumber;
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else
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state = TGUsernameControllerUsernameStateInvalidCharacters;
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[self setUsernameState:state username:username];
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}
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else if (username.length < 5)
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{
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[self setUsernameState:TGUsernameControllerUsernameStateTooShort username:username];
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}
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else
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{
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[self setUsernameState:TGUsernameControllerUsernameStateChecking username:username];
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SSignal *checkSignal = [[[SSignal complete] delay:0.2 onQueue:[SQueue mainQueue]] then:[TGChannelManagementSignals checkChannelUsername:_conversation.conversationId accessHash:_conversation.accessHash username:username]];
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__weak TGChannelLinkSetupController *weakSelf = self;
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[_checkUsernameDisposable setDisposable:[[checkSignal deliverOn:[SQueue mainQueue]] startWithNext:nil error:^(id error) {
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__strong TGChannelLinkSetupController *strongSelf = weakSelf;
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if (strongSelf != nil) {
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NSString *errorText = [[TGTelegramNetworking instance] extractNetworkErrorType:error];
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TGUsernameControllerUsernameState state = TGUsernameControllerUsernameStateTaken;
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if ([errorText isEqual:@"CHANNELS_ADMIN_PUBLIC_TOO_MUCH"]) {
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state = TGUsernameControllerUsernameStateTooManyUsernames;
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}
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[strongSelf setUsernameState:state username:strongSelf->_usernameItem.username];
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}
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} completed:^{
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__strong TGChannelLinkSetupController *strongSelf = weakSelf;
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if (strongSelf != nil) {
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strongSelf->_usernameItem.usernameChecking = false;
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[strongSelf setUsernameState:TGUsernameControllerUsernameStateValid username:strongSelf->_usernameItem.username];
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}
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}]];
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}
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[self updateLinkHint:username];
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}
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- (void)updateLinkHint:(NSString *)username
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{
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if (username.length == 0)
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_hintItem.text = nil;
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else
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[_hintItem setFormattedText:[[NSString alloc] initWithFormat:TGLocalized(@"Channel.Username.LinkHint"), username]];
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}
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@end
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