react-native-fs/RNFSManager.m

142 lines
4.8 KiB
Objective-C

//
// RNFSManager.m
// RNFSManager
//
// Created by Johannes Lumpe on 08/05/15.
// Copyright (c) 2015 Johannes Lumpe. All rights reserved.
//
#import "RNFSManager.h"
#import "RCTBridge.h"
#import "NSArray+Map.h"
@implementation RNFSManager
static int MainBundleDirectory = 999;
@synthesize bridge = _bridge;
RCT_EXPORT_MODULE();
- (dispatch_queue_t)methodQueue {
return dispatch_queue_create("pe.lum.rnfs", DISPATCH_QUEUE_SERIAL);
}
RCT_EXPORT_METHOD(readDir:(NSString*)directory inFolder:(NSNumber*)folder callback:(RCTResponseSenderBlock)callback){
NSString *path;
int folderInt = [folder integerValue];
if (folderInt == MainBundleDirectory) {
path = [[NSBundle mainBundle] bundlePath];
} else {
NSArray *paths = NSSearchPathForDirectoriesInDomains(folderInt, NSUserDomainMask, YES);
path = [paths objectAtIndex:0];
}
NSFileManager *fileManager = [NSFileManager defaultManager];
NSError *error = nil;
NSString * dirPath = [path stringByAppendingPathComponent:directory];
NSArray *contents = [fileManager contentsOfDirectoryAtPath:dirPath error:&error];
contents = [contents rnfs_mapObjectsUsingBlock:^id(id obj, NSUInteger idx) {
return @{
@"name": (NSString*)obj,
@"path": [dirPath stringByAppendingPathComponent:(NSString*)obj]
};
}];
if (error) {
return callback([self makeErrorPayload:error]);
}
callback(@[[NSNull null], contents]);
}
RCT_EXPORT_METHOD(stat:(NSString*)filepath callback:(RCTResponseSenderBlock)callback){
NSError *error = nil;
NSDictionary *attributes = [[NSFileManager defaultManager] attributesOfItemAtPath:filepath error:&error];
if (error) {
return callback([self makeErrorPayload:error]);
}
attributes = @{
@"ctime": [self dateToTimeIntervalNumber:(NSDate*)[attributes objectForKey:NSFileCreationDate]],
@"mtime": [self dateToTimeIntervalNumber:(NSDate*)[attributes objectForKey:NSFileModificationDate]],
@"size": [attributes objectForKey:NSFileSize],
@"type": [attributes objectForKey:NSFileType],
@"mode": [NSNumber numberWithInteger:[[NSString stringWithFormat:@"%o", [(NSNumber*)[attributes objectForKey:NSFilePosixPermissions] integerValue]] integerValue]]
};
callback(@[[NSNull null], attributes]);
}
RCT_EXPORT_METHOD(writeFile:(NSString*)filepath contents:(NSString*)base64Content attributes:(NSDictionary*)attributes callback:(RCTResponseSenderBlock)callback){
NSData *data = [[NSData alloc] initWithBase64EncodedString:base64Content options:NSDataBase64DecodingIgnoreUnknownCharacters];
BOOL success = [[NSFileManager defaultManager] createFileAtPath:filepath contents:data attributes:attributes];
if (!success) {
return callback(@[[NSString stringWithFormat:@"Could not write file at path %@", filepath]]);
}
callback(@[[NSNull null], [NSNumber numberWithBool:success]]);
}
RCT_EXPORT_METHOD(unlink:(NSString*)filepath callback:(RCTResponseSenderBlock)callback) {
NSFileManager *manager = [NSFileManager defaultManager];
BOOL exists = [manager fileExistsAtPath:filepath isDirectory:false];
if (!exists) {
return callback(@[[NSString stringWithFormat:@"File at path %@ does not exist", filepath]]);
}
NSError *error = nil;
BOOL success = [manager removeItemAtPath:filepath error:&error];
if (!success) {
return callback([self makeErrorPayload:error]);
}
callback(@[[NSNull null], [NSNumber numberWithBool:success], filepath]);
}
RCT_EXPORT_METHOD(readFile:(NSString*)filepath callback:(RCTResponseSenderBlock)callback){
NSData *content = [[NSFileManager defaultManager] contentsAtPath:filepath];
NSString *base64Content = [content base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];
if (!base64Content) {
return callback(@[[NSString stringWithFormat:@"Could not read file at path %@", filepath]]);
}
callback(@[[NSNull null], base64Content]);
}
- (NSNumber*) dateToTimeIntervalNumber:(NSDate*)date {
return [NSNumber numberWithDouble:[date timeIntervalSince1970]];
}
- (NSArray*) makeErrorPayload:(NSError*)error {
return @[@{
@"description": error.localizedDescription,
@"code": [NSNumber numberWithInteger:error.code]
}];
}
- (NSString*) getPathForDirectory:(int)directory {
NSArray *paths = NSSearchPathForDirectoriesInDomains(directory, NSUserDomainMask, YES);
return [paths objectAtIndex:0];
}
- (NSDictionary *)constantsToExport
{
return @{
@"NSCachesDirectoryPath": [self getPathForDirectory:NSCachesDirectory],
@"NSDocumentDirectoryPath": [self getPathForDirectory:NSDocumentDirectory],
@"NSCachesDirectory": [NSNumber numberWithInteger:NSCachesDirectory],
@"NSDocumentDirectory": [NSNumber numberWithInteger:NSDocumentDirectory],
@"MainBundleDirectory": [NSNumber numberWithInteger:MainBundleDirectory],
@"NSFileTypeRegular": NSFileTypeRegular,
@"NSFileTypeDirectory": NSFileTypeDirectory
};
}
@end