PDF_Office/PDF Office/PDF Master/Resource Download/KMResourceDownload.m

//
//  KMResourceDownload.m
//  PDF Master DMG
//
//  Created by wanjun on 2023/8/1.
//

#import "KMResourceDownload.h"
#import <ZipArchive/ZipArchive.h>
#if __has_include(<DateTools/DateTools.h>)
    #import <DateTools/DateTools.h>
    #define HAS_DOCUMENTAI_FRAMEWORK 1
#else
    #define HAS_DOCUMENTAI_FRAMEWORK 0
#endif

@implementation KMResourceDownload

- (void)downloadFramework {
    
    NSString *urlString = @"http://test-pdf-pro.kdan.cn:3021/downloads/DateTools.framework.zip";
    NSURL *url = [NSURL URLWithString:urlString];
    
    NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
    NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration];
    
    NSURLSessionDownloadTask *downloadTask = [session downloadTaskWithURL:url completionHandler:^(NSURL * _Nullable location, NSURLResponse * _Nullable response, NSError * _Nullable error) {
        if (error) {
            NSLog(@"Failed to download framework: %@", error);
            return;
        }
        
        // Move the downloaded file to APP Contents/Frameworks folder
        NSFileManager *fileManager = [NSFileManager defaultManager];
        NSString *frameworksDirectory = [[NSBundle mainBundle] privateFrameworksPath];
        NSString *destinationPath = [frameworksDirectory stringByAppendingPathComponent:@"DateTools.framework.zip"];
        
        NSError *moveError = nil;
        [fileManager moveItemAtURL:location toURL:[NSURL fileURLWithPath:destinationPath] error:&moveError];
        if (moveError) {
            NSLog(@"Failed to move framework: %@", moveError);
            return;
        }
        
        NSLog(@"Framework downloaded and installed successfully!");
        
        // 解压 framework 文件
        [self unzipFrameworkAtURL:[NSURL fileURLWithPath:destinationPath] toDestination:frameworksDirectory];
        
        // 加载 framework 文件
        [self loadFramework:[frameworksDirectory stringByAppendingPathComponent:@"DateTools.framework"]];

    }];
    
    [downloadTask resume];

}

// 解压 framework 文件
- (void)unzipFrameworkAtURL:(NSURL *)zipURL toDestination:(NSString *)destinationPath {
    // 解压逻辑，使用 Foundation 框架的 NSFileManager 或其他解压库
    NSFileManager *fileManager = [NSFileManager defaultManager];
    // 根据压缩文件类型选择解压方法
    BOOL success = NO;
    if ([zipURL.path.pathExtension isEqualToString:@"zip"]) {
        // 使用系统自带的解压方法，需要引入 libz.tbd 库
        success = [SSZipArchive unzipFileAtPath:zipURL.path
                                     toDestination:destinationPath];
    } else {
        // 如果是其他类型的压缩文件，可以使用第三方库，如 SSZipArchive 等进行解压
        // success = [SSZipArchive unzipFileAtPath:tempFilePath toDestination:destinationPath];
    }
    
    if (success) {
        NSLog(@"File unzipped successfully!");
        [fileManager removeItemAtPath:zipURL.path error:nil];

    } else {
        NSLog(@"Failed to unzip file.");
    }
}

// 加载 framework 文件
- (void)loadFramework:(NSString *)destinationPath {
    NSError *error = nil;

//    NSURL *frameworkURL = [NSURL URLWithString:destinationPath]; // 指向解压后的 framework 文件目录
//    NSString *frameworkPath = [[NSBundle mainBundle] pathForResource:@"DateTools" ofType:@"framework"];
    NSBundle *frameworkBundle = [NSBundle bundleWithPath:destinationPath];
    if (![frameworkBundle loadAndReturnError:&error]) {
        NSLog(@"Error loading framework: %@", error);
        return;
    }
    
    // 使用 framework 中的代码和资源
#if HAS_DOCUMENTAI_FRAMEWORK
    NSDate *selectedDate = [NSDate dateWithTimeIntervalSinceNow:-24*60*60*6+100];
    NSString *week = [NSDate weekTimeAgoSinceDate:selectedDate];
    NSLog(@"week == %@", week);
#else
    // 其他处理或者警告用户没有导入 SomeFramework
    NSLog(@"没有库");
#endif
}

@end