react-native-firebase/ios/RNFirebase/firestore/RNFirebaseFirestore.m

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#import "RNFirebaseFirestore.h"
#if __has_include(<FirebaseFirestore/FirebaseFirestore.h>)
#import <Firebase.h>
#import "RNFirebaseEvents.h"
#import "RNFirebaseFirestoreCollectionReference.h"
#import "RNFirebaseFirestoreDocumentReference.h"
@implementation RNFirebaseFirestore
RCT_EXPORT_MODULE();
- (id)init {
self = [super init];
if (self != nil) {
_transactions = [[NSMutableDictionary alloc] init];
_transactionQueue = dispatch_queue_create("io.invertase.react-native-firebase.firestore", DISPATCH_QUEUE_CONCURRENT);
}
return self;
}
/**
* TRANSACTIONS
*/
RCT_EXPORT_METHOD(transactionGetDocument:(NSString *)appDisplayName
transactionId:(nonnull NSNumber *)transactionId
path:(NSString *)path
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
__block NSMutableDictionary *transactionState;
dispatch_sync(_transactionQueue, ^{
transactionState = _transactions[[transactionId stringValue]];
});
if (!transactionState) {
NSLog(@"transactionGetDocument called for non-existant transactionId %@", transactionId);
return;
}
NSError *error = nil;
FIRTransaction *transaction = [transactionState valueForKey:@"transaction"];
FIRDocumentReference *ref = [self getDocumentForAppPath:appDisplayName path:path].ref;
FIRDocumentSnapshot *snapshot = [transaction getDocument:ref error:&error];
if (error != nil) {
[RNFirebaseFirestore promiseRejectException:reject error:error];
} else {
NSDictionary *snapshotDict = [RNFirebaseFirestoreDocumentReference snapshotToDictionary:snapshot];
NSString *path = snapshotDict[@"path"];
if (path == nil) {
[snapshotDict setValue:ref.path forKey:@"path"];
}
resolve(snapshotDict);
}
}
RCT_EXPORT_METHOD(transactionDispose:(NSString *)appDisplayName
transactionId:(nonnull NSNumber *)transactionId) {
__block NSMutableDictionary *transactionState;
dispatch_sync(_transactionQueue, ^{
transactionState = _transactions[[transactionId stringValue]];
});
if (!transactionState) {
NSLog(@"transactionGetDocument called for non-existant transactionId %@", transactionId);
return;
}
dispatch_semaphore_t semaphore = [transactionState valueForKey:@"semaphore"];
[transactionState setValue:@true forKey:@"abort"];
dispatch_semaphore_signal(semaphore);
}
RCT_EXPORT_METHOD(transactionApplyBuffer:(NSString *)appDisplayName
transactionId:(nonnull NSNumber *)transactionId
commandBuffer:(NSArray *)commandBuffer) {
__block NSMutableDictionary *transactionState;
dispatch_sync(_transactionQueue, ^{
transactionState = _transactions[[transactionId stringValue]];
});
if (!transactionState) {
NSLog(@"transactionGetDocument called for non-existant transactionId %@", transactionId);
return;
}
dispatch_semaphore_t semaphore = [transactionState valueForKey:@"semaphore"];
[transactionState setValue:commandBuffer forKey:@"commandBuffer"];
dispatch_semaphore_signal(semaphore);
}
RCT_EXPORT_METHOD(transactionBegin:(NSString *)appDisplayName
transactionId:(nonnull NSNumber *)transactionId) {
FIRFirestore *firestore = [RNFirebaseFirestore getFirestoreForApp:appDisplayName];
__block BOOL aborted = false;
dispatch_async(_transactionQueue, ^{
NSMutableDictionary *transactionState = [NSMutableDictionary new];
dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
transactionState[@"semaphore"] = semaphore;
[firestore runTransactionWithBlock:^id (FIRTransaction *transaction, NSError * *errorPointer) {
transactionState[@"transaction"] = transaction;
// Build and send transaction update event
dispatch_barrier_async(_transactionQueue, ^{
[_transactions setValue:transactionState forKey:[transactionId stringValue]];
NSMutableDictionary *eventMap = [NSMutableDictionary new];
eventMap[@"type"] = @"update";
eventMap[@"id"] = transactionId;
eventMap[@"appName"] = appDisplayName;
[RNFirebaseUtil sendJSEvent:self name:FIRESTORE_TRANSACTION_EVENT body:eventMap];
});
// wait for the js event handler to call transactionApplyBuffer
// this wait occurs on the RNFirestore Worker Queue so if transactionApplyBuffer fails to
// signal the semaphore then no further blocks will be executed by RNFirestore until the timeout expires
dispatch_time_t delayTime = dispatch_time(DISPATCH_TIME_NOW, 3000 * NSEC_PER_SEC);
BOOL timedOut = dispatch_semaphore_wait(semaphore, delayTime) != 0;
aborted = [transactionState valueForKey:@"abort"];
// dispose of transaction dictionary
dispatch_barrier_async(_transactionQueue, ^{
[_transactions removeObjectForKey:[transactionId stringValue]];
});
if (aborted) {
*errorPointer = [NSError errorWithDomain:FIRFirestoreErrorDomain code:FIRFirestoreErrorCodeAborted userInfo:@{}];
return nil;
}
if (timedOut) {
*errorPointer = [NSError errorWithDomain:FIRFirestoreErrorDomain code:FIRFirestoreErrorCodeDeadlineExceeded userInfo:@{}];
return nil;
}
NSArray *commandBuffer = [transactionState valueForKey:@"commandBuffer"];
for (NSDictionary *command in commandBuffer) {
NSString *type = command[@"type"];
NSString *path = command[@"path"];
NSDictionary *data = [RNFirebaseFirestoreDocumentReference parseJSMap:firestore jsMap:command[@"data"]];
FIRDocumentReference *ref = [firestore documentWithPath:path];
if ([type isEqualToString:@"delete"]) {
[transaction deleteDocument:ref];
} else if ([type isEqualToString:@"set"]) {
NSDictionary *options = command[@"options"];
if (options && options[@"merge"]) {
[transaction setData:data forDocument:ref options:[FIRSetOptions merge]];
} else {
[transaction setData:data forDocument:ref];
}
} else if ([type isEqualToString:@"update"]) {
[transaction updateData:data forDocument:ref];
}
}
return nil;
} completion:^(id result, NSError *error) {
if (aborted == NO) {
NSMutableDictionary *eventMap = [NSMutableDictionary new];
eventMap[@"id"] = transactionId;
eventMap[@"appName"] = appDisplayName;
if (error != nil) {
eventMap[@"type"] = @"error";
eventMap[@"error"] = [RNFirebaseFirestore getJSError:error];
} else {
eventMap[@"type"] = @"complete";
}
[RNFirebaseUtil sendJSEvent:self name:FIRESTORE_TRANSACTION_EVENT body:eventMap];
}
}];
});
}
/**
* TRANSACTIONS END
*/
RCT_EXPORT_METHOD(disableNetwork:(NSString *)appDisplayName
resolver:(RCTPromiseResolveBlock) resolve
rejecter:(RCTPromiseRejectBlock) reject) {
FIRFirestore *firestore = [RNFirebaseFirestore getFirestoreForApp:appDisplayName];
[firestore disableNetworkWithCompletion:^(NSError * _Nullable error) {
if (error) {
[RNFirebaseFirestore promiseRejectException:reject error:error];
} else {
resolve(nil);
}
}];
}
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RCT_EXPORT_METHOD(setLogLevel:(NSString *)logLevel) {
if ([@"debug" isEqualToString:logLevel] || [@"error" isEqualToString:logLevel]) {
[FIRFirestore enableLogging:true];
} else {
[FIRFirestore enableLogging:false];
}
}
RCT_EXPORT_METHOD(enableNetwork:(NSString *)appDisplayName
resolver:(RCTPromiseResolveBlock) resolve
rejecter:(RCTPromiseRejectBlock) reject) {
FIRFirestore *firestore = [RNFirebaseFirestore getFirestoreForApp:appDisplayName];
[firestore enableNetworkWithCompletion:^(NSError * _Nullable error) {
if (error) {
[RNFirebaseFirestore promiseRejectException:reject error:error];
} else {
resolve(nil);
}
}];
}
RCT_EXPORT_METHOD(collectionGet:(NSString *)appDisplayName
path:(NSString *)path
filters:(NSArray *)filters
orders:(NSArray *)orders
options:(NSDictionary *)options
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
[[self getCollectionForAppPath:appDisplayName path:path filters:filters orders:orders options:options] get:resolve rejecter:reject];
}
RCT_EXPORT_METHOD(collectionOffSnapshot:(NSString *)appDisplayName
path:(NSString *)path
filters:(NSArray *)filters
orders:(NSArray *)orders
options:(NSDictionary *)options
listenerId:(nonnull NSString *)listenerId) {
[RNFirebaseFirestoreCollectionReference offSnapshot:listenerId];
}
RCT_EXPORT_METHOD(collectionOnSnapshot:(NSString *)appDisplayName
path:(NSString *)path
filters:(NSArray *)filters
orders:(NSArray *)orders
options:(NSDictionary *)options
listenerId:(nonnull NSString *)listenerId
queryListenOptions:(NSDictionary *)queryListenOptions) {
RNFirebaseFirestoreCollectionReference *ref = [self getCollectionForAppPath:appDisplayName path:path filters:filters orders:orders options:options];
[ref onSnapshot:listenerId queryListenOptions:queryListenOptions];
}
RCT_EXPORT_METHOD(documentBatch:(NSString *)appDisplayName
writes:(NSArray *)writes
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
FIRFirestore *firestore = [RNFirebaseFirestore getFirestoreForApp:appDisplayName];
FIRWriteBatch *batch = [firestore batch];
for (NSDictionary *write in writes) {
NSString *type = write[@"type"];
NSString *path = write[@"path"];
NSDictionary *data = [RNFirebaseFirestoreDocumentReference parseJSMap:firestore jsMap:write[@"data"]];
FIRDocumentReference *ref = [firestore documentWithPath:path];
if ([type isEqualToString:@"DELETE"]) {
batch = [batch deleteDocument:ref];
} else if ([type isEqualToString:@"SET"]) {
NSDictionary *options = write[@"options"];
if (options && options[@"merge"]) {
batch = [batch setData:data forDocument:ref options:[FIRSetOptions merge]];
} else {
batch = [batch setData:data forDocument:ref];
}
} else if ([type isEqualToString:@"UPDATE"]) {
batch = [batch updateData:data forDocument:ref];
}
}
[batch commitWithCompletion:^(NSError *_Nullable error) {
if (error) {
[RNFirebaseFirestore promiseRejectException:reject error:error];
} else {
resolve(nil);
}
}];
}
RCT_EXPORT_METHOD(documentDelete:(NSString *)appDisplayName
path:(NSString *)path
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
[[self getDocumentForAppPath:appDisplayName path:path] delete:resolve rejecter:reject];
}
RCT_EXPORT_METHOD(documentGet:(NSString *)appDisplayName
path:(NSString *)path
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
[[self getDocumentForAppPath:appDisplayName path:path] get:resolve rejecter:reject];
}
RCT_EXPORT_METHOD(documentGetAll:(NSString *)appDisplayName
documents:(NSString *)documents
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
// Not supported on iOS out of the box
}
RCT_EXPORT_METHOD(documentOffSnapshot:(NSString *)appDisplayName
path:(NSString *)path
listenerId:(nonnull NSString *)listenerId) {
[RNFirebaseFirestoreDocumentReference offSnapshot:listenerId];
}
RCT_EXPORT_METHOD(documentOnSnapshot:(NSString *)appDisplayName
path:(NSString *)path
listenerId:(nonnull NSString *)listenerId
docListenOptions:(NSDictionary *)docListenOptions) {
RNFirebaseFirestoreDocumentReference *ref = [self getDocumentForAppPath:appDisplayName path:path];
[ref onSnapshot:listenerId docListenOptions:docListenOptions];
}
RCT_EXPORT_METHOD(documentSet:(NSString *)appDisplayName
path:(NSString *)path
data:(NSDictionary *)data
options:(NSDictionary *)options
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
[[self getDocumentForAppPath:appDisplayName path:path] set:data options:options resolver:resolve rejecter:reject];
}
RCT_EXPORT_METHOD(documentUpdate:(NSString *)appDisplayName
path:(NSString *)path
data:(NSDictionary *)data
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
[[self getDocumentForAppPath:appDisplayName path:path] update:data resolver:resolve rejecter:reject];
}
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RCT_EXPORT_METHOD(settings:(NSString *)appDisplayName
settings:(NSDictionary *)settings
resolver:(RCTPromiseResolveBlock)resolve
rejecter:(RCTPromiseRejectBlock)reject) {
FIRFirestore *firestore = [RNFirebaseFirestore getFirestoreForApp:appDisplayName];
FIRFirestoreSettings *firestoreSettings = [[FIRFirestoreSettings alloc] init];
if (settings[@"host"]) {
firestoreSettings.host = settings[@"host"];
}
if (settings[@"persistence"]) {
firestoreSettings.persistenceEnabled = settings[@"persistence"];
}
if (settings[@"ssl"]) {
firestoreSettings.sslEnabled = settings[@"ssl"];
}
if (settings[@"timestampsInSnapshots"]) {
// TODO: Enable when available on Android
// firestoreSettings.timestampsInSnapshotsEnabled = settings[@"timestampsInSnapshots"];
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}
[firestore setSettings:firestoreSettings];
resolve(nil);
}
/*
* INTERNALS/UTILS
*/
+ (void)promiseRejectException:(RCTPromiseRejectBlock)reject error:(NSError *)error {
NSDictionary *jsError = [RNFirebaseFirestore getJSError:error];
reject([jsError valueForKey:@"code"], [jsError valueForKey:@"message"], error);
}
+ (FIRFirestore *)getFirestoreForApp:(NSString *)appDisplayName {
FIRApp *app = [RNFirebaseUtil getApp:appDisplayName];
return [FIRFirestore firestoreForApp:app];
}
- (RNFirebaseFirestoreCollectionReference *)getCollectionForAppPath:(NSString *)appDisplayName path:(NSString *)path filters:(NSArray *)filters orders:(NSArray *)orders options:(NSDictionary *)options {
return [[RNFirebaseFirestoreCollectionReference alloc] initWithPathAndModifiers:self appDisplayName:appDisplayName path:path filters:filters orders:orders options:options];
}
- (RNFirebaseFirestoreDocumentReference *)getDocumentForAppPath:(NSString *)appDisplayName path:(NSString *)path {
return [[RNFirebaseFirestoreDocumentReference alloc] initWithPath:self appDisplayName:appDisplayName path:path];
}
// TODO: Move to error util for use in other modules
+ (NSString *)getMessageWithService:(NSString *)message service:(NSString *)service fullCode:(NSString *)fullCode {
return [NSString stringWithFormat:@"%@: %@ (%@).", service, message, [fullCode lowercaseString]];
}
+ (NSString *)getCodeWithService:(NSString *)service code:(NSString *)code {
return [NSString stringWithFormat:@"%@/%@", [service lowercaseString], [code lowercaseString]];
}
+ (NSDictionary *)getJSError:(NSError *)nativeError {
NSMutableDictionary *errorMap = [[NSMutableDictionary alloc] init];
[errorMap setValue:@(nativeError.code) forKey:@"nativeErrorCode"];
[errorMap setValue:[nativeError localizedDescription] forKey:@"nativeErrorMessage"];
NSString *code;
NSString *message;
NSString *service = @"Firestore";
switch (nativeError.code) {
case FIRFirestoreErrorCodeOK:
code = [RNFirebaseFirestore getCodeWithService:service code:@"ok"];
message = [RNFirebaseFirestore getMessageWithService:@"Ok." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeCancelled:
code = [RNFirebaseFirestore getCodeWithService:service code:@"cancelled"];
message = [RNFirebaseFirestore getMessageWithService:@"The operation was cancelled." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeUnknown:
code = [RNFirebaseFirestore getCodeWithService:service code:@"unknown"];
message = [RNFirebaseFirestore getMessageWithService:@"Unknown error or an error from a different error domain." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeInvalidArgument:
code = [RNFirebaseFirestore getCodeWithService:service code:@"invalid-argument"];
message = [RNFirebaseFirestore getMessageWithService:@"Client specified an invalid argument." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeDeadlineExceeded:
code = [RNFirebaseFirestore getCodeWithService:service code:@"deadline-exceeded"];
message = [RNFirebaseFirestore getMessageWithService:@"Deadline expired before operation could complete." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeNotFound:
code = [RNFirebaseFirestore getCodeWithService:service code:@"not-found"];
message = [RNFirebaseFirestore getMessageWithService:@"Some requested document was not found." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeAlreadyExists:
code = [RNFirebaseFirestore getCodeWithService:service code:@"already-exists"];
message = [RNFirebaseFirestore getMessageWithService:@"Some document that we attempted to create already exists." service:service fullCode:code];
break;
case FIRFirestoreErrorCodePermissionDenied:
code = [RNFirebaseFirestore getCodeWithService:service code:@"permission-denied"];
message = [RNFirebaseFirestore getMessageWithService:@"The caller does not have permission to execute the specified operation." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeResourceExhausted:
code = [RNFirebaseFirestore getCodeWithService:service code:@"resource-exhausted"];
message = [RNFirebaseFirestore getMessageWithService:@"Some resource has been exhausted, perhaps a per-user quota, or perhaps the entire file system is out of space." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeFailedPrecondition:
code = [RNFirebaseFirestore getCodeWithService:service code:@"failed-precondition"];
message = [RNFirebaseFirestore getMessageWithService:@"Operation was rejected because the system is not in a state required for the operation`s execution." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeAborted:
code = [RNFirebaseFirestore getCodeWithService:service code:@"aborted"];
message = [RNFirebaseFirestore getMessageWithService:@"The operation was aborted, typically due to a concurrency issue like transaction aborts, etc." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeOutOfRange:
code = [RNFirebaseFirestore getCodeWithService:service code:@"out-of-range"];
message = [RNFirebaseFirestore getMessageWithService:@"Operation was attempted past the valid range." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeUnimplemented:
code = [RNFirebaseFirestore getCodeWithService:service code:@"unimplemented"];
message = [RNFirebaseFirestore getMessageWithService:@"Operation is not implemented or not supported/enabled." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeInternal:
code = [RNFirebaseFirestore getCodeWithService:service code:@"internal"];
message = [RNFirebaseFirestore getMessageWithService:@"Internal errors." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeUnavailable:
code = [RNFirebaseFirestore getCodeWithService:service code:@"unavailable"];
message = [RNFirebaseFirestore getMessageWithService:@"The service is currently unavailable." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeDataLoss:
code = [RNFirebaseFirestore getCodeWithService:service code:@"data-loss"];
message = [RNFirebaseFirestore getMessageWithService:@"Unrecoverable data loss or corruption." service:service fullCode:code];
break;
case FIRFirestoreErrorCodeUnauthenticated:
code = [RNFirebaseFirestore getCodeWithService:service code:@"unauthenticated"];
message = [RNFirebaseFirestore getMessageWithService:@"The request does not have valid authentication credentials for the operation." service:service fullCode:code];
break;
default:
code = [RNFirebaseFirestore getCodeWithService:service code:@"unknown"];
message = [RNFirebaseFirestore getMessageWithService:@"An unknown error occurred." service:service fullCode:code];
break;
}
[errorMap setValue:code forKey:@"code"];
[errorMap setValue:message forKey:@"message"];
return errorMap;
}
- (NSArray<NSString *> *)supportedEvents {
return @[FIRESTORE_COLLECTION_SYNC_EVENT, FIRESTORE_DOCUMENT_SYNC_EVENT, FIRESTORE_TRANSACTION_EVENT];
}
+ (BOOL)requiresMainQueueSetup {
return YES;
}
@end
#else
@implementation RNFirebaseFirestore
@end
#endif