status-mobile/modules/react-native-status/ios/RCTStatus/MailManager.m

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#import <MessageUI/MessageUI.h>
#import "MailManager.h"
#import <React/RCTConvert.h>
#import <React/RCTLog.h>
#import "React/RCTBridge.h"
#import "React/RCTEventDispatcher.h"
@implementation MailManager
{
NSMutableDictionary *_callbacks;
}
- (instancetype)init
{
if ((self = [super init])) {
_callbacks = [[NSMutableDictionary alloc] init];
}
return self;
}
- (dispatch_queue_t)methodQueue
{
return dispatch_get_main_queue();
}
+ (BOOL)requiresMainQueueSetup
{
return YES;
}
RCT_EXPORT_MODULE();
RCT_EXPORT_METHOD(mail:(NSDictionary *)options
callback: (RCTResponseSenderBlock)callback)
{
if ([MFMailComposeViewController canSendMail])
{
MFMailComposeViewController *mail = [[MFMailComposeViewController alloc] init];
mail.mailComposeDelegate = self;
_callbacks[RCTKeyForInstance(mail)] = callback;
if (options[@"subject"]){
NSString *subject = [RCTConvert NSString:options[@"subject"]];
[mail setSubject:subject];
}
BOOL isHTML = NO;
if (options[@"isHTML"]){
isHTML = [options[@"isHTML"] boolValue];
}
if (options[@"body"]){
NSString *body = [RCTConvert NSString:options[@"body"]];
[mail setMessageBody:body isHTML:isHTML];
}
if (options[@"recipients"]){
NSArray *recipients = [RCTConvert NSArray:options[@"recipients"]];
[mail setToRecipients:recipients];
}
if (options[@"ccRecipients"]){
NSArray *ccRecipients = [RCTConvert NSArray:options[@"ccRecipients"]];
[mail setCcRecipients:ccRecipients];
}
if (options[@"bccRecipients"]){
NSArray *bccRecipients = [RCTConvert NSArray:options[@"bccRecipients"]];
[mail setBccRecipients:bccRecipients];
}
if (options[@"attachments"]) {
NSArray *attachments = [RCTConvert NSArray:options[@"attachments"]];
for (NSDictionary *attachment in attachments) {
if ((attachment[@"path"] || attachment[@"uri"]) && (attachment[@"type"] || attachment[@"mimeType"])) {
NSString *attachmentPath = [RCTConvert NSString:attachment[@"path"]];
NSString *attachmentUri = [RCTConvert NSString:attachment[@"uri"]];
NSString *attachmentType = [RCTConvert NSString:attachment[@"type"]];
NSString *attachmentName = [RCTConvert NSString:attachment[@"name"]];
NSString *attachmentMimeType = [RCTConvert NSString:attachment[@"mimeType"]];
// Set default filename if not specificed
if (!attachmentName) {
attachmentName = [[attachmentPath lastPathComponent] stringByDeletingPathExtension];
}
NSData *fileData;
if (attachmentPath) {
NSFileManager *fileManager = [NSFileManager defaultManager];
if (![fileManager fileExistsAtPath:attachmentPath]){
callback(@[[NSString stringWithFormat: @"attachment file with path '%@' does not exist", attachmentPath]]);
return;
}
// Get the resource path and read the file using NSData
fileData = [NSData dataWithContentsOfFile:attachmentPath];
} else if (attachmentUri) {
// Get the URI and read it using NSData
NSURL *attachmentURL = [[NSURLComponents componentsWithString:attachmentUri] URL];
NSError *error = nil;
fileData = [NSData dataWithContentsOfURL:attachmentURL options:0 error:&error];
if (!fileData) {
callback(@[[NSString stringWithFormat: @"attachment file with uri '%@' does not exist", attachmentUri]]);
return;
}
}
// Determine the MIME type
NSString *mimeType;
if (attachmentType) {
/*
* Add additional mime types and PR if necessary. Find the list
* of supported formats at http://www.iana.org/assignments/media-types/media-types.xhtml
*/
NSDictionary *supportedMimeTypes = @{
@"jpeg" : @"image/jpeg",
@"jpg" : @"image/jpeg",
@"png" : @"image/png",
@"doc" : @"application/msword",
@"docx" : @"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
@"ppt" : @"application/vnd.ms-powerpoint",
@"pptx" : @"application/vnd.openxmlformats-officedocument.presentationml.presentation",
@"html" : @"text/html",
@"csv" : @"text/csv",
@"pdf" : @"application/pdf",
@"vcard" : @"text/vcard",
@"json" : @"application/json",
@"zip" : @"application/zip",
@"text" : @"text/*",
@"mp3" : @"audio/mpeg",
@"wav" : @"audio/wav",
@"aiff" : @"audio/aiff",
@"flac" : @"audio/flac",
@"ogg" : @"audio/ogg",
@"xls" : @"application/vnd.ms-excel",
@"ics" : @"text/calendar",
@"xlsx" : @"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
};
if([supportedMimeTypes objectForKey:attachmentType]) {
mimeType = [supportedMimeTypes objectForKey:attachmentType];
} else {
callback(@[[NSString stringWithFormat: @"Mime type '%@' for attachment is not handled", attachmentType]]);
return;
}
} else if (attachmentMimeType) {
mimeType = attachmentMimeType;
}
// Add attachment
[mail addAttachmentData:fileData mimeType:mimeType fileName:attachmentName];
}
}
}
UIViewController *root = [[[[UIApplication sharedApplication] delegate] window] rootViewController];
while (root.presentedViewController) {
root = root.presentedViewController;
}
[root presentViewController:mail animated:YES completion:nil];
} else {
callback(@[@"not_available"]);
}
}
#pragma mark MFMailComposeViewControllerDelegate Methods
- (void)mailComposeController:(MFMailComposeViewController *)controller didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error
{
NSString *key = RCTKeyForInstance(controller);
RCTResponseSenderBlock callback = _callbacks[key];
if (callback) {
switch (result) {
case MFMailComposeResultSent:
callback(@[[NSNull null] , @"sent"]);
break;
case MFMailComposeResultSaved:
callback(@[[NSNull null] , @"saved"]);
break;
case MFMailComposeResultCancelled:
callback(@[[NSNull null] , @"cancelled"]);
break;
case MFMailComposeResultFailed:
callback(@[@"failed"]);
break;
default:
callback(@[@"error"]);
break;
}
[_callbacks removeObjectForKey:key];
} else {
RCTLogWarn(@"No callback registered for mail: %@", controller.title);
}
UIViewController *ctrl = [[[[UIApplication sharedApplication] delegate] window] rootViewController];
while (ctrl.presentedViewController && ctrl != controller) {
ctrl = ctrl.presentedViewController;
}
[ctrl dismissViewControllerAnimated:YES completion:nil];
}
#pragma mark Private
static NSString *RCTKeyForInstance(id instance)
{
return [NSString stringWithFormat:@"%p", instance];
}
@end