mirror of
https://gitcode.com/gh_mirrors/re/react-native-pushy.git
synced 2025-10-31 13:23:12 +08:00
84 lines
2.6 KiB
Plaintext
84 lines
2.6 KiB
Plaintext
#import "RCTPushyDownloader.h"
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@interface RCTPushyDownloader()<NSURLSessionDelegate>
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@property (copy) void (^progressHandler)(long long, long long);
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@property (copy) void (^completionHandler)(NSString*, NSError*);
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@property (copy) NSString *savePath;
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@end
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@implementation RCTPushyDownloader
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+ (void)download:(NSString *)downloadPath savePath:(NSString *)savePath
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progressHandler:(void (^)(long long receivedBytes, long long totalBytes))progressHandler
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completionHandler:(void (^)(NSString *path, NSError *error))completionHandler
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{
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NSAssert(downloadPath, @"no download path");
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NSAssert(savePath, @"no save path");
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RCTPushyDownloader *downloader = [RCTPushyDownloader new];
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downloader.progressHandler = progressHandler;
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downloader.completionHandler = completionHandler;
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downloader.savePath = savePath;
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[downloader download:downloadPath];
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}
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- (void)dealloc
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{
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}
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- (void)download:(NSString *)path
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{
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NSURL *url = [NSURL URLWithString:path];
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NSURLSessionConfiguration *sessionConfig = [NSURLSessionConfiguration defaultSessionConfiguration];
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NSURLSession *session = [NSURLSession sessionWithConfiguration:sessionConfig
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delegate:self
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delegateQueue:nil];
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NSURLSessionDownloadTask *task = [session downloadTaskWithURL:url];
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[session downloadTaskWithURL:url];
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[task resume];
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}
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#pragma mark - session delegate
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- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask
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didWriteData:(int64_t)bytesWritten
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totalBytesWritten:(int64_t)totalBytesWritten
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totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite
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{
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#ifdef DEBUG
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NSLog(@"download progress, %lld, %lld, %lld", bytesWritten, totalBytesWritten, totalBytesExpectedToWrite);
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#endif
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if (self.progressHandler) {
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self.progressHandler(totalBytesWritten ,totalBytesExpectedToWrite);
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}
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}
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- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask
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didFinishDownloadingToURL:(NSURL *)location
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{
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NSData *data = [NSData dataWithContentsOfURL:location];
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NSError *error;
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[data writeToFile:self.savePath options:NSDataWritingAtomic error:&error];
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if (error) {
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if (self.completionHandler) {
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self.completionHandler(nil, error);
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self.completionHandler = nil;
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}
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}
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}
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- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task
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didCompleteWithError:(NSError *)error
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{
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if (self.completionHandler) {
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self.completionHandler(self.savePath, error);
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}
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}
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@end
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