erpsuiteios/common/upload/RAUploadListViewController.m

//
//  RAUploadListViewController.m
//  Apex And Drivers
//
//  Created by Jack on 2018/6/6.
//  Copyright © 2018年 USAI. All rights reserved.
//

#import "RAUploadListViewController.h"
#import "UIView+Toast.h"
#import "AppDelegate.h"

@interface RAUploadListViewController ()

@end

@implementation RAUploadListViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [ [ UIApplication sharedApplication] setIdleTimerDisabled:YES ] ;
    // Do any additional setup after loading the view.
    [self.view insertSubview:[UIView new] atIndex:0];
    
    AppDelegate* appdelegate=(AppDelegate*)[UIApplication sharedApplication].delegate;
    
    // 如果ViewController创建在UploadManager初始化之前，那么KVO失效，界面刷新不正确而导致数组越界
    if (appdelegate.uploadManager != nil) {
        [appdelegate.uploadManager addObserver:self
                                    forKeyPath:@"arr_queue"
                                       options:(NSKeyValueObservingOptionNew|NSKeyValueObservingOptionOld)
                                       context:@"arr_queue changed"];
    } else {
        [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(uploadRefreshNotification:) name:UPLOAD_COUNT_CHANGE_NOTIFICATION object:nil];
        
    }
    
    self.title = NSLocalizedString(@"Upload List", nil);
    UIBarButtonItem *uploadListItem = [[UIBarButtonItem alloc] initWithTitle:NSLocalizedString(@"Clear", nil) style:UIBarButtonItemStylePlain target:self action:@selector(clearList)];
    self.navigationItem.rightBarButtonItem = uploadListItem;
    
    
    self.uploadTableView.tableFooterView = [UIView new];
    
    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(uploadRefreshNotification:) name:UPLOAD_REFRESH_UI_NOTIFICATION object:nil];
}
- (void)clearList {
    
    AppDelegate* appdelegate = (AppDelegate* )[UIApplication sharedApplication].delegate;
    if(appdelegate.uploadManager.arr_queue.count==0)
    {
        [RAUtils alert_view:nil title:NSLocalizedString(@"Upload list is empty.", nil)];
        return;
    }
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:NSLocalizedString(@"Clear upload list", nil) message:NSLocalizedString(@"Are you sure remove all error/finish task?", nil) preferredStyle:UIAlertControllerStyleAlert];
    
    
    UIAlertAction *OK = [UIAlertAction actionWithTitle:NSLocalizedString(@"YES", nil) style:UIAlertActionStyleDestructive handler:^(UIAlertAction * _Nonnull action) {
        
        NSMutableArray* arr_tasks =[NSMutableArray new];
        for(NSMutableDictionary* task in appdelegate.uploadManager.arr_queue)
        {
            if([task[@"status"] intValue]==TaskStatusFinish||[task[@"status"] intValue]==TaskStatusError)
                [arr_tasks addObject:task];
        }
        [appdelegate.uploadManager removeTasks:arr_tasks];
        
    }];
    
    [alert addAction:OK];
    
    UIAlertAction *CANCEL = [UIAlertAction actionWithTitle:NSLocalizedString(@"NO", nil) style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
        
    }];
    [alert addAction:CANCEL];
    
    [self presentViewController:alert animated:YES completion:nil];
    
}
-(void) dealloc
{
    [ [ UIApplication sharedApplication] setIdleTimerDisabled:NO ] ;
    AppDelegate* appdelegate=(AppDelegate*)[UIApplication sharedApplication].delegate;
    [appdelegate.uploadManager removeObserver:self forKeyPath:@"arr_queue"];
    
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
{
    
    if([keyPath isEqualToString:@"arr_queue"])
    {
        __weak typeof(self) weakself = self;
        dispatch_async(dispatch_get_main_queue(), ^{
            blockDebugLog(@"arr_queue changed reload tableview");
            [self.uploadTableView reloadData];
        });
        
    }
}

- (void)uploadRefreshNotification:(NSNotification *)notification {
    dispatch_async(dispatch_get_main_queue(), ^{
        [self.uploadTableView reloadData];
    });
}

#pragma mark - TableView DataSource

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    
    AppDelegate* Appdelegate=(AppDelegate*)[UIApplication sharedApplication].delegate;
    return Appdelegate.uploadManager.arr_queue.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return self.dequeueCell(tableView,indexPath);
}

#pragma mark - TableView Delegate

- (NSArray *)tableView:(UITableView *)tableView editActionsForRowAtIndexPath:(NSIndexPath *)indexPath
{
    AppDelegate* Appdelegate=(AppDelegate*)[UIApplication sharedApplication].delegate;
    NSMutableDictionary * task = Appdelegate.uploadManager.arr_queue[indexPath.row];
    
    
    __weak typeof(self) weakself = self;
    UITableViewRowAction *startAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDefault title:NSLocalizedString(@"Restart", nil) handler:^(UITableViewRowAction *action, NSIndexPath *indexPath) {
        
        if (Appdelegate.uploadManager.onlyWiFi && Appdelegate.uploadManager.reach.currentReachabilityStatus != ReachableViaWiFi) {
            [weakself.view makeToast:NSLocalizedString(@"Current Network is not WiFi", nil) duration:3.0 position:CSToastPositionCenter];
            [tableView reloadRowsAtIndexPaths:@[indexPath]withRowAnimation:UITableViewRowAnimationMiddle];
            return ;
        }
        DebugLog(@"Start click");
        task[@"retry"]=[NSNumber numberWithInt:0];
        [Appdelegate.uploadManager startTask:task];
        
        [tableView reloadRowsAtIndexPaths:@[indexPath]withRowAnimation:UITableViewRowAnimationMiddle];
    }];
    
    
    startAction.backgroundColor = UIColorFromRGB(0xff9933);
    
    
    UITableViewRowAction *removeAction = [UITableViewRowAction rowActionWithStyle:UITableViewRowActionStyleDestructive title:NSLocalizedString(@"Remove", nil) handler:^(UITableViewRowAction *action, NSIndexPath *indexPath) {
        
        
        [Appdelegate.uploadManager removeTask:task];
        
        //  [tableView reloadRowsAtIndexPaths:@[indexPath]withRowAnimation:UITableViewRowAnimationMiddle];
        
    }];
    
    removeAction.backgroundColor = UIColorFromRGB(0x9BBF5A);
    
    switch ([task[@"status"] intValue]) {
            
        case TaskStatusFinish:
            return @[removeAction];
            
        case TaskStatusError:
            
            return @[startAction,removeAction];
            
        case TaskStatusStop:
            return @[startAction];
        default:
            return nil;
            break;
    }
    
    
    
}

- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
    AppDelegate* Appdelegate=(AppDelegate*)[UIApplication sharedApplication].delegate;
    NSDictionary * item_json = Appdelegate.uploadManager.arr_queue[indexPath.row];
    
    bool ret=false;
    switch ([item_json[@"status"] intValue]) {
        case TaskStatusStart:
        case TaskStatusWait:
            
            ret=false;
            break;
        case TaskStatusFinish:
        case TaskStatusStop:
        case TaskStatusError:
            
            ret = true;
            break;
        default:
            ret=false;
            break;
    }
    return ret;
}



- (UITableViewCellEditingStyle)tableView:(UITableView *)tv editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath {
    
    return UITableViewCellEditingStyleDelete;
}

// reloadRow 该IndexPath Cell会改变
- (void)tableView:(UITableView *)tableView didEndDisplayingCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath {
    
    if (self.endDisplayCell) {
        self.endDisplayCell(tableView, cell);
    }
}

@end