74 lines
2.4 KiB
Mathematica
74 lines
2.4 KiB
Mathematica
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// Copyright 2004-present Facebook. All Rights Reserved.
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#import "RCTDataManager.h"
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#import "RCTAssert.h"
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#import "RCTLog.h"
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#import "RCTUtils.h"
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@implementation RCTDataManager
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/**
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* Executes a network request.
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* The responseSender block won't be called on same thread as called.
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*/
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- (void)executeQuery:(NSString *)queryType
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query:(id)query
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queryHash:(__unused NSString *)queryHash
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responseSender:(RCTResponseSenderBlock)responseSender
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{
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RCT_EXPORT(queryData);
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if ([queryType isEqualToString:@"http"]) {
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// Parse query
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NSDictionary *queryDict = query;
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if ([query isKindOfClass:[NSString class]]) {
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// TODO: it would be more efficient just to send a dictionary
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queryDict = RCTJSONParse(query, NULL);
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}
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// Build request
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NSURL *url = [NSURL URLWithString:queryDict[@"url"]];
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NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
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request.HTTPMethod = queryDict[@"method"] ?: @"GET";
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request.allHTTPHeaderFields = queryDict[@"headers"];
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if ([queryDict[@"data"] isKindOfClass:[NSString class]]) {
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request.HTTPBody = [queryDict[@"data"] dataUsingEncoding:NSUTF8StringEncoding];
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}
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// Build data task
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NSURLSessionDataTask *task = [[NSURLSession sharedSession] dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *connectionError) {
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// Build response
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NSDictionary *responseJSON;
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if (connectionError == nil) {
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NSStringEncoding encoding;
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if (response.textEncodingName) {
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CFStringEncoding cfEncoding = CFStringConvertIANACharSetNameToEncoding((CFStringRef)response.textEncodingName);
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encoding = CFStringConvertEncodingToNSStringEncoding(cfEncoding);
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} else {
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encoding = NSUTF8StringEncoding;
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}
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NSString *returnData = [[NSString alloc] initWithData:data encoding:encoding];
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responseJSON = @{@"status": @200, @"responseText": returnData};
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} else {
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responseJSON = @{@"status": @0, @"responseText": [connectionError localizedDescription]};
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}
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// Send response (won't be sent on same thread as caller)
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responseSender(@[RCTJSONStringify(responseJSON, NULL)]);
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}];
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[task resume];
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} else {
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RCTLogMustFix(@"unsupported query type %@", queryType);
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return;
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}
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}
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@end
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