More descriptive error messages

tweak/assets/TFHelper.m

 + (void)getUndeleteDataWithID:(NSString *)ident isComment:(BOOL)isComment timeout:(CGFloat)timeout extraData:(NSDictionary *)extra completionTarget:(id)target completionSelector:(SEL)sel {
 
 	NSMutableURLRequest *request = [[NSMutableURLRequest alloc] init];
-	NSOperationQueue *queue = [[NSOperationQueue alloc] init];
+	//NSOperationQueue *queue = [[NSOperationQueue alloc] init];
 
 	if (isComment){
 		[request setURL:[NSURL URLWithString:[NSString stringWithFormat:@"https://api.pushshift.io/reddit/search/comment/?ids=%@&fields=author,body", ident]]];
 	[request setHTTPMethod:@"GET"];
 	[request setTimeoutInterval:timeout];
 
-	[NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {
+	NSURLSessionDataTask *dataTask = [[NSURLSession sharedSession] dataTaskWithRequest:request completionHandler:^(NSData *data, NSURLResponse *response, NSError *error) {
+	//[NSURLConnection sendAsynchronousRequest:request queue:queue completionHandler:^(NSURLResponse *response, NSData *data, NSError *error) {
 
 		NSString *author = @"[author]";
 		NSString *body = @"[body]";
 
-		if (data != nil && error == nil){
+		if (data) {
 			id jsonData = [[NSJSONSerialization JSONObjectWithData:data options:0 error:&error] objectForKey:@"data"];
-			if ([jsonData count] != 0){
+			if (jsonData && [jsonData count] != 0) {
 				author = [jsonData[0] objectForKey:@"author"];
 				body = isComment ? [jsonData[0] objectForKey:@"body"] : [jsonData[0] objectForKey:@"selftext"];
 				if ([body isEqualToString:@"[deleted]"] || [body isEqualToString:@"[removed]"]){
-					body = @"[pushshift was unable to archive this]";
+					body = [NSString stringWithFormat:@"[pushshift was unable to archive this %@]", isComment ? @"comment" : @"post"];
 				}
 			} else {
-				body = @"[pushshift has not archived this yet]";
+				body = [NSString stringWithFormat:@"[no data for this %@ was returned by pushshift]", isComment ? @"comment" : @"post"];
 			}
-		} else if (error != nil || data == nil){
-			body = [NSString stringWithFormat:@"[an error occured while attempting to contact pushshift api (%@)]", [error localizedDescription]];
 		}
 
-		NSMutableDictionary *result =  [@{@"author" : author, @"body" : body} mutableCopy];
+		if (error) {
+			body = [NSString stringWithFormat:@"[an error occurred while attempting retrieve data from the pushshift api]\n\nHTTP Status Code: %li\n\nError Description: %@",
+			(long)((NSHTTPURLResponse *)response).statusCode, [error localizedDescription]];
+		}
+
+		NSMutableDictionary *result = [NSMutableDictionary dictionaryWithDictionary:@{@"author" : author, @"body" : body}];
 
 		if (extra){
 			[result addEntriesFromDictionary:extra];
 
 		[target performSelectorOnMainThread:sel withObject:result waitUntilDone:NO];
 	}];
+	[dataTask resume];
 }
 
-+(BOOL) shouldShowUndeleteButtonWithInfo:(NSString *) content isDeletedOnly:(BOOL) isDeletedOnly{
++ (BOOL)shouldShowUndeleteButtonWithInfo:(NSString *) content isDeletedOnly:(BOOL) isDeletedOnly{
 
 	if (!isDeletedOnly){
 		return YES;