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react-native-image-resizer
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Fix error reporting, path handling and extension naming on iOS (#90) 

* `saveFile` used to return always `YES`, now it returns whether or not the save has been saved.
* `generateFilePath` didn’t do any check about the path. Now it creates the in the app directory. If for some reason it fails, it throws an Exception.
* `saveFile` can handle png extension and path issues. A bug on a `nil` fileSize has been fixed.
This commit is contained in:
Umberto Lentini 2017-07-20 17:19:24 +02:00 committed by Florian Rival
parent 544dd9d473
commit b92d8de42a
1 changed files with 27 additions and 6 deletions
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33
ios/RCTImageResizer/RCTImageResizer.m
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@ -29,8 +29,7 @@ bool saveImage(NSString * fullPath, UIImage * image, NSString * format, float qu
}
NSFileManager* fileManager = [NSFileManager defaultManager];
[fileManager createFileAtPath:fullPath contents:data attributes:nil];
return YES;
return [fileManager createFileAtPath:fullPath contents:data attributes:nil];
}
NSString * generateFilePath(NSString * ext, NSString * outputPath)
@ -41,7 +40,15 @@ NSString * generateFilePath(NSString * ext, NSString * outputPath)
NSArray* paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
directory = [paths firstObject];
} else {
directory = outputPath;
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
directory = [documentsDirectory stringByAppendingPathComponent:outputPath];
NSError *error;
[[NSFileManager defaultManager] createDirectoryAtPath:directory withIntermediateDirectories:YES attributes:nil error:&error];
if (error) {
NSLog(@"Error creating documents subdirectory: %@", error);
@throw [NSException exceptionWithName:@"InvalidPathException" reason:[NSString stringWithFormat:@"Error creating documents subdirectory: %@", error] userInfo:nil];
}
}
NSString* name = [[NSUUID UUID] UUIDString];
@ -94,7 +101,21 @@ RCT_EXPORT_METHOD(createResizedImage:(NSString *)path
callback:(RCTResponseSenderBlock)callback)
{
CGSize newSize = CGSizeMake(width, height);
NSString* fullPath = generateFilePath(@"jpg", outputPath);
//Set image extension
NSString *extension = @"jpg";
if ([format isEqualToString:@"PNG"]) {
extension = @"png";
}
NSString* fullPath;
@try {
fullPath = generateFilePath(extension, outputPath);
} @catch (NSException *exception) {
callback(@[@"Invalid output path.", @""]);
return;
}
[_bridge.imageLoader loadImageWithURLRequest:[RCTConvert NSURLRequest:path] callback:^(NSError *error, UIImage *image) {
if (error || image == nil) {
@ -128,7 +149,7 @@ RCT_EXPORT_METHOD(createResizedImage:(NSString *)path
// Compress and save the image
if (!saveImage(fullPath, scaledImage, format, quality)) {
callback(@[@"Can't save the image. Check your compression format.", @""]);
callback(@[@"Can't save the image. Check your compression format and your output path", @""]);
return;
}
NSURL *fileUrl = [[NSURL alloc] initFileURLWithPath:fullPath];
@ -139,7 +160,7 @@ RCT_EXPORT_METHOD(createResizedImage:(NSString *)path
NSDictionary *response = @{@"path": fullPath,
@"uri": fileUrl.absoluteString,
@"name": fileName,
@"size": fileSize == nil ? 0 : fileSize
@"size": fileSize == nil ? @(0) : fileSize
};
callback(@[[NSNull null], response]);