erpsuiteios/Redant Drivers/Apex And Drivers/Home/RAHomeOrderModel.m

//
//  RAHomeOrderModel.m
//  Apex And Drivers
//
//  Created by Jack on 2018/6/1.
//  Copyright © 2018年 USAI. All rights reserved.
//

#import "RAHomeOrderModel.h"
#import "UIImage+RedAnt.h"
#import "NSData+RAImageType.h"

@implementation RAHomeOrderModel {
    UIImage *_icon;
}

- (void)setValue:(id)value forUndefinedKey:(NSString *)key {
    
}

- (UIImage *)icon {
    return _icon;
}

- (void)setBackendFlag:(BOOL)backendFlag {
    _backendFlag = backendFlag;
    
    if (self.delegate && [self.delegate respondsToSelector:@selector(refreshUI)]) {
        dispatch_async(dispatch_get_main_queue(), ^{
            [self.delegate refreshUI];
        });
    }
}

- (void)setIcon:(UIImage *)icon {
    _icon = icon;
//    _icon = [UIImage imageNamed:@"on_the_way"];
    if (self.delegate && [self.delegate respondsToSelector:@selector(refreshUI)]) {
        dispatch_async(dispatch_get_main_queue(), ^{
            [self.delegate refreshUI];
        });
    }
}

//- (void)setValuesForKeysWithDictionary:(NSDictionary<NSString *,id> *)keyedValues {
//    [super setValuesForKeysWithDictionary:keyedValues];
//    
//    [self setIconURL:@"https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1536134884&di=9ea523019212b373ac04f4411e8aa56b&imgtype=jpg&er=1&src=http%3A%2F%2Fp3.music.126.net%2Fyp-UZgqWp6FV_AN4hPozjQ%3D%3D%2F109951163414711232.jpg"];
//}

- (void)setIconURL:(NSString *)iconURL {
    _iconURL = iconURL;
    
//    iconURL = @"https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1536134884&di=9ea523019212b373ac04f4411e8aa56b&imgtype=jpg&er=1&src=http%3A%2F%2Fp3.music.126.net%2Fyp-UZgqWp6FV_AN4hPozjQ%3D%3D%2F109951163414711232.jpg";
    
    if (_iconURL.length > 0 && [_iconURL hasPrefix:@"http"]) {
        __weak typeof(self) weakSelf = self;
        [RASingleton.sharedInstance.networkQueue addOperationWithBlock:^{
            
            NSString *path = [UIImage imageCachePath:iconURL];
            UIImage *icon = nil;
            
            if ([[NSFileManager defaultManager] fileExistsAtPath:path]) {
                // 加载缓存的缩放后的图片
                icon = [UIImage imageWithContentsOfFile:path];
            } else {
                // 从服务器获取图片
                icon = [UIImage ra_imageWithURL:[NSURL URLWithString:iconURL]];
                // 缩放图片
                icon = [self antiAlias:icon];
                // 缓存缩放后的图片
                [self cacheScaledIcon:icon withPath:path];
            }
            
            if (weakSelf) {
                __strong typeof(weakSelf) strongSelf = weakSelf;
                [strongSelf setIcon:icon];
            }
            
        }];
    }
}

- (UIImage *)antiAlias:(UIImage *)img {
    
    CGFloat size = 50.0f;
    
    UIGraphicsBeginImageContextWithOptions(CGSizeMake(size, size), NO, [UIScreen mainScreen].scale);
    [img drawInRect:CGRectMake(0, 0, size, size)];
    UIImage *antialias = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return antialias;
}

- (void)cacheScaledIcon:(UIImage *)icon withPath:(NSString *)path {
    
    NSData *data = [NSData dataWithContentsOfFile:path];
    RAIMAGETYPE type = [data imageType];
    if (type == RAIMAGETYPEPNG) {
        data = UIImagePNGRepresentation(icon);
    } else if (type == RAIMAGETYPEJPG) {
        data = UIImageJPEGRepresentation(icon, 1);
    } else {
        data = nil;
    }
    
    if (data) {
        [self cacheData:data toPath:path];
    }
}

- (void)cacheData:(NSData *)data toPath:(NSString *)path {
    
    [data writeToFile:path atomically:NO];
}

@end