whose_ios/NIMDemo/NIMDemo/SocialPublishViewController.m

//
//  SocialPublishViewController.m
//  NIMDemo
//
//  Created by Fenix Wang on 2017/6/20.
//  Copyright © 2017年 Netease. All rights reserved.
//

#import "SocialPublishViewController.h"
#import "UIView+NTES.h"
#import "UIView+Toast.h"
#import "User.h"
#import "NIMKitMediaFetcher.h"
#import "SVProgressHUD.h"
#import "UIImage+NIM.h"
#import "AFNetworking/AFNetworking.h"
#import "LocationManager.h"
#import "HttpRequest.h"

@interface SocialPublishViewController ()<UITextViewDelegate, LocationDelegate>

@property (nonatomic, strong) LocationManager       *locationManager;
@property (nonatomic, assign) double                longitude;
@property (nonatomic, assign) double                latitude;

@property (nonatomic, strong) UITextView            *msgTxtView;
@property (nonatomic, strong) UILabel               *msgReplaceHolder;
@property (nonatomic, strong) UILabel               *locationLabel;
@property (nonatomic, strong) UILabel               *picLabel;
@property (nonatomic, strong) NSMutableArray        *picArr;
@property (nonatomic, strong) NSMutableArray        *picDataArr;
@property (nonatomic, assign) int                   picUploadIndex;
@property (nonatomic, strong) UIView                *picContainer;
@property (nonatomic, strong) UIButton              *picAddBtn;
@property (nonatomic, strong) NIMKitMediaFetcher    *mediaFetcher;

@end

int maxCountPictures = 9;
CGFloat picPadding = 5;
int picColumns = 5;

@implementation SocialPublishViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    
    self.view.backgroundColor = UIColor.whiteColor;
    
    _picArr = [[NSMutableArray alloc] init];
    _picDataArr = [[NSMutableArray alloc] init];
    
    
    
    
    UINavigationItem *navItem = self.navigationItem;
    [navItem setTitle:@"发布"];
    
    CGFloat navBottom = self.navigationController.navigationBar.bottom;
    
    _msgTxtView = [[UITextView alloc] initWithFrame:CGRectMake(15, navBottom + 10, self.view.width-30, 100)];
    [_msgTxtView setText:@""];
    _msgTxtView.delegate = self;
    _msgTxtView.font = [UIFont systemFontOfSize:15];
    _msgTxtView.backgroundColor = UIColor.clearColor;
    _msgReplaceHolder = [[UILabel alloc] initWithFrame:CGRectMake(15, navBottom + 10, self.view.width-30, 30)];
    _msgReplaceHolder.textColor = UIColor.lightGrayColor;
    _msgReplaceHolder.text = @"你想说点什么";
    _msgReplaceHolder.font = [UIFont systemFontOfSize:15];
    
    [self.view addSubview:_msgReplaceHolder];
    [self.view addSubview:_msgTxtView];
    
    
    
    
    
    
    UIView *locationView = [[UIView alloc] initWithFrame:CGRectMake(15, _msgTxtView.bottom + 10, 100, 30)];
    locationView.layer.cornerRadius = 15;
    locationView.backgroundColor = [UIColor colorWithRed:0.9 green:0.9 blue:0.9 alpha:1];
    
    UIImageView *locationIcon = [[UIImageView alloc] initWithFrame:CGRectMake(10, 4, 18, 22)];
    [locationIcon setImage:[UIImage imageNamed:@"朋友圈发布_03"]];
    [locationView addSubview:locationIcon];
    
    _locationLabel = [[UILabel alloc] initWithFrame:CGRectMake(locationIcon.right+5, 0, 0, 30)];
    [_locationLabel setText:[User sharedInfo].district ? [NSString stringWithFormat:@"%@%@", [User sharedInfo].city, [User sharedInfo].district] : @""];
    _locationLabel.textColor = UIColor.grayColor;
    _locationLabel.font = [UIFont systemFontOfSize:15];
    [_locationLabel sizeToFit];
    _locationLabel.top = (30 - _locationLabel.height)/2;
    [locationView addSubview:_locationLabel];
    
    locationView.width = _locationLabel.right + 10;
    [self.view addSubview:locationView];
    
    
    
    
    
    
    
    _picLabel = [[UILabel alloc] initWithFrame:CGRectMake(10, locationView.bottom + 10, 150, 30)];
    _picLabel.textColor = UIColor.lightGrayColor;
    [self.view addSubview:_picLabel];
    [self updatePictureTip];
    
    
    float picSize = (self.view.width - 20 - picPadding * (picColumns - 1)) / picColumns;
    _picContainer = [[UIView alloc] initWithFrame:CGRectMake(10, _picLabel.bottom+10, self.view.width - 20, picSize * 2 + picPadding)];
    [self.view addSubview:_picContainer];
    
    _picAddBtn = [[UIButton alloc] initWithFrame:CGRectMake(0,  0, picSize, picSize)];
    [_picAddBtn setImage:[UIImage imageNamed:@"朋友圈发布_07"] forState:UIControlStateNormal];
    [_picAddBtn addTarget:self action:@selector(onTouchAddPic:) forControlEvents:UIControlEventTouchUpInside];
    [_picContainer addSubview:_picAddBtn];
    
    
    
    UIButton *publishBtn = [[UIButton alloc] initWithFrame:CGRectMake(15, _picContainer.bottom+20, self.view.width - 30, 50)];
    [publishBtn setTitle:@"发布" forState:UIControlStateNormal];
    [publishBtn setTitleColor:UIColor.whiteColor forState:UIControlStateNormal];
    publishBtn.backgroundColor = User.orangeColor;
    publishBtn.layer.cornerRadius = 5;
    [publishBtn addTarget:self action:@selector(onTouchPublish:) forControlEvents:UIControlEventTouchUpInside];
    [self.view addSubview:publishBtn];
    
    
    
    _locationManager = [LocationManager sharedManager];
    _locationManager.delegate = self;
    [_locationManager startUpdate];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
    
    [_locationManager stopUpdate];
    _locationManager.delegate = nil;
    
}


- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
}


- (void)coordinateUpdate:(double)longitude latitude:(double)latitude{
    
    self.longitude = longitude;
    self.latitude = latitude;
    
    __weak typeof(self) wself = self;
    [[HttpRequest shared] location:longitude latitude:latitude success:^(NSString * _Nullable province, NSString * _Nullable city, NSString * _Nullable district, NSString * _Nullable provinceRoomId, NSString * _Nullable cityRoomId, NSString * _Nullable districtRoomId) {
        
        if(city && district && city.length > 0 && district.length > 0)
        {
            if([city isEqualToString:district])
            {
                wself.locationLabel.text = district;
            }
            else
            {
                wself.locationLabel.text = [NSString stringWithFormat:@"%@%@", city, district];
            }
            [wself.locationManager stopUpdate];
        }
        
    } failure:^{
        
    }];
}


- (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
{
    if (![text isEqualToString:@""])
    {
        _msgReplaceHolder.hidden = YES;
    }
    if ([text isEqualToString:@""] && range.location == 0 && range.length == 1)
    {
        _msgReplaceHolder.hidden = NO;
    }
    return YES;
}


- (void)updatePictureTip
{
    _picLabel.text = [NSString stringWithFormat:@"照片不超过%d张", (int)(maxCountPictures - _picArr.count)];
    
}

- (void)layoutPictures
{
    float picSize = (self.view.width - 20 - picPadding * (picColumns - 1)) / picColumns;
    
    CGFloat startX = 0;
    CGFloat startY = 0;
    
    int count = (int)_picArr.count;
    int i = 0;
    for(i=0; i<count; i++){
        startX = (i % picColumns) * (picSize + picPadding);
        startY = floorf(i / picColumns);
        
        UIImageView *imgView = nil;
        if(_picContainer.subviews.count - 1 <= i){
            imgView = [[UIImageView alloc] initWithFrame:CGRectMake(startX, startY, picSize, picSize)];
            [_picContainer addSubview:imgView];
        }
        else{
            imgView = [_picContainer.subviews objectAtIndex:i];
            imgView.left = startX;
            imgView.top = startY;
        }
        
        UIImage *img = [_picArr objectAtIndex:i];
        [imgView setImage:img];
    }
    
    if(count < maxCountPictures)
    {
        startX = (count % picColumns) * (picSize + picPadding);
        startY = floorf(count / picColumns);
        _picAddBtn.left = startX;
        _picAddBtn.top = startY;
        _picAddBtn.hidden = NO;
    }
    else
    {
        _picAddBtn.hidden = YES;
    }
}

- (void)onTouchAddPic:(int)sender
{
    [self showImagePicker:UIImagePickerControllerSourceTypePhotoLibrary];
}

- (NIMKitMediaFetcher *)mediaFetcher
{
    if (!_mediaFetcher) {
        _mediaFetcher = [[NIMKitMediaFetcher alloc] init];
    }
    return _mediaFetcher;
}

- (void)showImagePicker:(UIImagePickerControllerSourceType)type{
    
    __weak typeof(self) weakSelf = self;
    [self.mediaFetcher fetchPhotoFromLibrary:^(NSArray *images, NSString *path, PHAssetMediaType type) {
        
        int a = 1;
        NSLog(@"%d", a);
        
        switch (type) {
            case PHAssetMediaTypeImage:
            {
                for (UIImage *image in images) {
                    [weakSelf.picArr addObject:image];
                }
                [weakSelf layoutPictures];
            }
                break;
            case PHAssetMediaTypeVideo:
            {
            }
                break;
            default:
                return;
        }
        
    }];
}



- (void)onTouchPublish:(int)sender{

    [SVProgressHUD show];
    [self uploadPicture];

}

     
- (void)uploadPicture{
    
    if(_msgTxtView.text.length == 0 && _picArr.count == 0)
    {
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:nil message:@"你还什么都没说呢" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
        [alert show];
        return;
    }
    
    if(_picUploadIndex >= _picArr.count)
    {
        [self publish];
        return;
    }
    
    UIImage *image = [_picArr objectAtIndex:_picUploadIndex];
    NSString *userId = [NSString stringWithFormat:@"%d", [User sharedInfo].userId];
    NSDictionary *dict = @{@"user_id":userId};
    
    NSString *urlString = @"http://whosay.dashgame.com/index.php?m=who&c=social&a=upload";
    
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer = [AFJSONResponseSerializer serializer];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"application/json",@"text/json", @"text/html", nil];
    
    [manager POST:urlString parameters:dict constructingBodyWithBlock:^(id<AFMultipartFormData>  _Nonnull formData) {

            NSData *data = UIImageJPEGRepresentation(image, 1);
            [formData appendPartWithFileData:data name:@"upload" fileName:[NSString stringWithFormat:@"image_%d.jpg", _picUploadIndex] mimeType:@"image/jpg"];
        
    } progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        
        //NSString *string = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
        //NSLog(@"请求成功，服务器返回的信息%@", string);
        
        NSLog(@"请求成功，服务器返回的信息%@", responseObject);
        
        int code = [[responseObject objectForKey:@"c"] intValue];
        if(code == 0)
        {
            NSDictionary *data = [responseObject objectForKey:@"d"];
            NSString *aid = [data objectForKey:@"aid"];
            
            if(_picUploadIndex >= _picDataArr.count)
            {
                [_picDataArr addObject:aid];
            }
            else
            {
                [_picDataArr setObject:aid atIndexedSubscript:_picUploadIndex];
            }
            
            _picUploadIndex++;
            [self uploadPicture];
        }
        else{
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:nil message:[responseObject objectForKey:@"d"] delegate:self cancelButtonTitle:@"放弃" otherButtonTitles:@"重试", nil];
            [alert show];
        }

    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        NSLog(@"请求失败,服务器返回的错误信息%@",error);
        UIAlertView *alert = [[UIAlertView alloc] initWithTitle:nil message:@"上传图片失败" delegate:self cancelButtonTitle:@"放弃" otherButtonTitles:@"重试", nil];
        [alert show];
    }];
}
     
- (void)alertView:(UIAlertView *)alertView didDismissWithButtonIndex:(NSInteger)buttonIndex{
    switch (buttonIndex) {
        case 0:
            [self.navigationController popViewControllerAnimated:YES];
            break;
        case 1:
            [self uploadPicture];
            break;
        default:
            break;
    }
}

- (void)publish
{
    User *user = [User sharedInfo];
    
    NSString *userId = [NSString stringWithFormat:@"%d", user.userId];
    
//    NSMutableDictionary *parameters = @{@"id":userId,
//                                 @"local":_locationLabel.text,
//                                 @"msg":_msgTxtView.text,
//                                 @"pic":_picDataArr,
//                                 };
    NSString *local = _locationLabel.text ? _locationLabel.text : @"";
    NSString *msg = _msgTxtView.text ? _msgTxtView.text : @"";
    
    
    NSMutableDictionary *parameters = [[NSMutableDictionary alloc] init];
    [parameters setObject:userId forKey:@"id"];
    [parameters setObject:local forKey:@"local"];
    [parameters setObject:msg forKey:@"msg"];
    [parameters setObject:_picDataArr forKey:@"pic"];
    [parameters setObject:[NSString stringWithFormat:@"%F", _longitude] forKey:@"longitude"];
    [parameters setObject:[NSString stringWithFormat:@"%F", _latitude] forKey:@"latitude"];
    
    NSString *urlString = @"http://whosay.dashgame.com/index.php?m=who&c=social&a=publish";
    //请求的managers
    AFHTTPSessionManager *manager = [AFHTTPSessionManager manager];
    manager.responseSerializer = [AFJSONResponseSerializer new];
    manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/html", nil];
    
    //请求的方式：POST
    
    NSLog(@"%@", parameters);
    
    [manager POST:urlString parameters:parameters progress:nil success:^(NSURLSessionDataTask *task, id responseObject) {
        
        [SVProgressHUD dismiss];
        
        NSLog(@"请求成功，服务器返回的信息%@", responseObject);
        NSDictionary * dic = responseObject;
        int code = [[dic valueForKey:@"c"] intValue];
        if(code == 0){
            NSDictionary *data = (NSDictionary *)[dic objectForKey:@"d"];
            
            NSLog(@"Json解析结果 = %d   %@", code, data);
            [self.view makeToast:@"发布成功" duration:2.0 position:CSToastPositionCenter];
            [self.navigationController popViewControllerAnimated:YES];
            
            [User sharedInfo].hasNewSocial = YES;
        }
        else{
            [self.view makeToast:@"发布失败" duration:2.0 position:CSToastPositionCenter];
        }
    } failure:^(NSURLSessionDataTask *task, NSError * error) {
        [SVProgressHUD dismiss];
        NSLog(@"请求失败,服务器返回的错误信息%@",error);
        [self.view makeToast:@"发布失败" duration:2.0 position:CSToastPositionCenter];
    }];
}
     
@end