react-native-firebase/ios/RNFirebase/firestore/RNFirebaseFirestoreDocument...

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#import "RNFirebaseFirestoreDocumentReference.h"
@implementation RNFirebaseFirestoreDocumentReference
#if __has_include(<FirebaseFirestore/FirebaseFirestore.h>)
static NSMutableDictionary *_listeners;
- (id)initWithPath:(RCTEventEmitter *)emitter
appDisplayName:(NSString *) appDisplayName
path:(NSString *) path {
self = [super init];
if (self) {
_emitter = emitter;
_appDisplayName = appDisplayName;
_path = path;
_ref = [[RNFirebaseFirestore getFirestoreForApp:_appDisplayName] documentWithPath:_path];
}
// Initialise the static listeners object if required
if (!_listeners) {
_listeners = [[NSMutableDictionary alloc] init];
}
return self;
}
- (void)delete:(RCTPromiseResolveBlock) resolve
rejecter:(RCTPromiseRejectBlock) reject {
[_ref deleteDocumentWithCompletion:^(NSError * _Nullable error) {
[RNFirebaseFirestoreDocumentReference handleWriteResponse:error resolver:resolve rejecter:reject];
}];
}
- (void)get:(RCTPromiseResolveBlock) resolve
rejecter:(RCTPromiseRejectBlock) reject {
[_ref getDocumentWithCompletion:^(FIRDocumentSnapshot * _Nullable snapshot, NSError * _Nullable error) {
if (error) {
[RNFirebaseFirestore promiseRejectException:reject error:error];
} else {
NSDictionary *data = [RNFirebaseFirestoreDocumentReference snapshotToDictionary:snapshot];
resolve(data);
}
}];
}
+ (void)offSnapshot:(NSString *) listenerId {
id<FIRListenerRegistration> listener = _listeners[listenerId];
if (listener) {
[_listeners removeObjectForKey:listenerId];
[listener remove];
}
}
- (void)onSnapshot:(NSString *) listenerId
docListenOptions:(NSDictionary *) docListenOptions {
if (_listeners[listenerId] == nil) {
id listenerBlock = ^(FIRDocumentSnapshot * _Nullable snapshot, NSError * _Nullable error) {
if (error) {
id<FIRListenerRegistration> listener = _listeners[listenerId];
if (listener) {
[_listeners removeObjectForKey:listenerId];
[listener remove];
}
[self handleDocumentSnapshotError:listenerId error:error];
} else {
[self handleDocumentSnapshotEvent:listenerId documentSnapshot:snapshot];
}
};
FIRDocumentListenOptions *options = [[FIRDocumentListenOptions alloc] init];
if (docListenOptions && docListenOptions[@"includeMetadataChanges"]) {
[options includeMetadataChanges:TRUE];
}
id<FIRListenerRegistration> listener = [_ref addSnapshotListenerWithOptions:options listener:listenerBlock];
_listeners[listenerId] = listener;
}
}
- (void)set:(NSDictionary *) data
options:(NSDictionary *) options
resolver:(RCTPromiseResolveBlock) resolve
rejecter:(RCTPromiseRejectBlock) reject {
NSDictionary *dictionary = [RNFirebaseFirestoreDocumentReference parseJSMap:[RNFirebaseFirestore getFirestoreForApp:_appDisplayName] jsMap:data];
if (options && options[@"merge"]) {
[_ref setData:dictionary options:[FIRSetOptions merge] completion:^(NSError * _Nullable error) {
[RNFirebaseFirestoreDocumentReference handleWriteResponse:error resolver:resolve rejecter:reject];
}];
} else {
[_ref setData:dictionary completion:^(NSError * _Nullable error) {
[RNFirebaseFirestoreDocumentReference handleWriteResponse:error resolver:resolve rejecter:reject];
}];
}
}
- (void)update:(NSDictionary *) data
resolver:(RCTPromiseResolveBlock) resolve
rejecter:(RCTPromiseRejectBlock) reject {
NSDictionary *dictionary = [RNFirebaseFirestoreDocumentReference parseJSMap:[RNFirebaseFirestore getFirestoreForApp:_appDisplayName] jsMap:data];
[_ref updateData:dictionary completion:^(NSError * _Nullable error) {
[RNFirebaseFirestoreDocumentReference handleWriteResponse:error resolver:resolve rejecter:reject];
}];
}
- (BOOL)hasListeners {
return [[_listeners allKeys] count] > 0;
}
+ (void)handleWriteResponse:(NSError *) error
resolver:(RCTPromiseResolveBlock) resolve
rejecter:(RCTPromiseRejectBlock) reject {
if (error) {
[RNFirebaseFirestore promiseRejectException:reject error:error];
} else {
resolve(nil);
}
}
+ (NSDictionary *)snapshotToDictionary:(FIRDocumentSnapshot *)documentSnapshot {
NSMutableDictionary *snapshot = [[NSMutableDictionary alloc] init];
[snapshot setValue:documentSnapshot.reference.path forKey:@"path"];
if (documentSnapshot.exists) {
[snapshot setValue:[RNFirebaseFirestoreDocumentReference buildNativeMap:documentSnapshot.data] forKey:@"data"];
}
if (documentSnapshot.metadata) {
NSMutableDictionary *metadata = [[NSMutableDictionary alloc] init];
[metadata setValue:@(documentSnapshot.metadata.fromCache) forKey:@"fromCache"];
[metadata setValue:@(documentSnapshot.metadata.hasPendingWrites) forKey:@"hasPendingWrites"];
[snapshot setValue:metadata forKey:@"metadata"];
}
return snapshot;
}
- (void)handleDocumentSnapshotError:(NSString *)listenerId
error:(NSError *)error {
NSMutableDictionary *event = [[NSMutableDictionary alloc] init];
[event setValue:_appDisplayName forKey:@"appName"];
[event setValue:_path forKey:@"path"];
[event setValue:listenerId forKey:@"listenerId"];
[event setValue:[RNFirebaseFirestore getJSError:error] forKey:@"error"];
[RNFirebaseUtil sendJSEvent:self.emitter name:FIRESTORE_DOCUMENT_SYNC_EVENT body:event];
}
- (void)handleDocumentSnapshotEvent:(NSString *)listenerId
documentSnapshot:(FIRDocumentSnapshot *)documentSnapshot {
NSMutableDictionary *event = [[NSMutableDictionary alloc] init];
[event setValue:_appDisplayName forKey:@"appName"];
[event setValue:_path forKey:@"path"];
[event setValue:listenerId forKey:@"listenerId"];
[event setValue:[RNFirebaseFirestoreDocumentReference snapshotToDictionary:documentSnapshot] forKey:@"documentSnapshot"];
[RNFirebaseUtil sendJSEvent:self.emitter name:FIRESTORE_DOCUMENT_SYNC_EVENT body:event];
}
+ (NSDictionary *)buildNativeMap:(NSDictionary *)nativeMap {
NSMutableDictionary *map = [[NSMutableDictionary alloc] init];
[nativeMap enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
NSDictionary *typeMap = [RNFirebaseFirestoreDocumentReference buildTypeMap:obj];
map[key] = typeMap;
}];
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return map;
}
+ (NSArray *)buildNativeArray:(NSArray *)nativeArray {
NSMutableArray *array = [[NSMutableArray alloc] init];
[nativeArray enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
NSDictionary *typeMap = [RNFirebaseFirestoreDocumentReference buildTypeMap:obj];
[array addObject:typeMap];
}];
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return array;
}
+ (NSDictionary *)buildTypeMap:(id) value {
NSMutableDictionary *typeMap = [[NSMutableDictionary alloc] init];
if (!value) {
typeMap[@"type"] = @"null";
} else if ([value isKindOfClass:[NSString class]]) {
typeMap[@"type"] = @"string";
typeMap[@"value"] = value;
} else if ([value isKindOfClass:[NSDictionary class]]) {
typeMap[@"type"] = @"object";
typeMap[@"value"] = [RNFirebaseFirestoreDocumentReference buildNativeMap:value];
} else if ([value isKindOfClass:[NSArray class]]) {
typeMap[@"type"] = @"array";
typeMap[@"value"] = [RNFirebaseFirestoreDocumentReference buildNativeArray:value];
} else if ([value isKindOfClass:[FIRDocumentReference class]]) {
typeMap[@"type"] = @"reference";
FIRDocumentReference *ref = (FIRDocumentReference *)value;
typeMap[@"value"] = [ref path];
} else if ([value isKindOfClass:[FIRGeoPoint class]]) {
typeMap[@"type"] = @"geopoint";
FIRGeoPoint *point = (FIRGeoPoint *)value;
NSMutableDictionary *geopoint = [[NSMutableDictionary alloc] init];
geopoint[@"latitude"] = @([point latitude]);
geopoint[@"longitude"] = @([point longitude]);
typeMap[@"value"] = geopoint;
} else if ([value isKindOfClass:[NSDate class]]) {
typeMap[@"type"] = @"date";
// NOTE: The round() is important as iOS ends up giving .999 otherwise,
// and loses a millisecond when going between native and JS
typeMap[@"value"] = @(round([(NSDate *)value timeIntervalSince1970] * 1000.0));
} else if ([value isKindOfClass:[NSNumber class]]) {
NSNumber *number = (NSNumber *)value;
if (number == (void*)kCFBooleanFalse || number == (void*)kCFBooleanTrue) {
typeMap[@"type"] = @"boolean";
} else {
typeMap[@"type"] = @"number";
}
typeMap[@"value"] = value;
} else {
// TODO: Log an error
typeMap[@"type"] = @"null";
}
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return typeMap;
}
+(NSDictionary *)parseJSMap:(FIRFirestore *) firestore
jsMap:(NSDictionary *) jsMap {
NSMutableDictionary* map = [[NSMutableDictionary alloc] init];
if (jsMap) {
[jsMap enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
map[key] = [RNFirebaseFirestoreDocumentReference parseJSTypeMap:firestore jsTypeMap:obj];
}];
}
return map;
}
+(NSArray *)parseJSArray:(FIRFirestore *) firestore
jsArray:(NSArray *) jsArray {
NSMutableArray* array = [[NSMutableArray alloc] init];
if (jsArray) {
[jsArray enumerateObjectsUsingBlock:^(id _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
[array addObject:[RNFirebaseFirestoreDocumentReference parseJSTypeMap:firestore jsTypeMap:obj]];
}];
}
return array;
}
+(id)parseJSTypeMap:(FIRFirestore *) firestore
jsTypeMap:(NSDictionary *) jsTypeMap {
NSString *type = jsTypeMap[@"type"];
id value = jsTypeMap[@"value"];
if ([type isEqualToString:@"array"]) {
return [RNFirebaseFirestoreDocumentReference parseJSArray:firestore jsArray:value];
} else if ([type isEqualToString:@"object"]) {
return [RNFirebaseFirestoreDocumentReference parseJSMap:firestore jsMap:value];
} else if ([type isEqualToString:@"reference"]) {
return [firestore documentWithPath:value];
} else if ([type isEqualToString:@"geopoint"]) {
NSDictionary *geopoint = (NSDictionary*)value;
NSNumber *latitude = geopoint[@"latitude"];
NSNumber *longitude = geopoint[@"longitude"];
return [[FIRGeoPoint alloc] initWithLatitude:[latitude doubleValue] longitude:[longitude doubleValue]];
} else if ([type isEqualToString:@"date"]) {
return [NSDate dateWithTimeIntervalSince1970:([(NSNumber *)value doubleValue] / 1000.0)];
} else if ([type isEqualToString:@"documentid"]) {
return [FIRFieldPath documentID];
} else if ([type isEqualToString:@"fieldvalue"]) {
NSString *string = (NSString*)value;
if ([string isEqualToString:@"delete"]) {
return [FIRFieldValue fieldValueForDelete];
} else if ([string isEqualToString:@"timestamp"]) {
return [FIRFieldValue fieldValueForServerTimestamp];
} else {
// TODO: Log warning
return nil;
}
} else if ([type isEqualToString:@"boolean"] || [type isEqualToString:@"number"] || [type isEqualToString:@"string"] || [type isEqualToString:@"null"]) {
return value;
} else {
// TODO: Log error
return nil;
}
}
#endif
@end