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merged 2 commits into from
May 17, 2023
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docs: add snippet for a subcollection query #23

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docs: add snippet for a subcollection query
jlara310 May 8, 2023
8a7493a
Run flutter pub upgrade --major-versions
jlara310 May 12, 2023
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72 changes: 41 additions & 31 deletions packages/firebase_snippets_app/lib/snippets/firestore.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ class FirestoreSnippets extends DocSnippet {
getStarted_readData();
dataModel_references();
dataModel_subCollections();
getDataOnce_getAllDocumentsInASubcollection();
}

void getStarted_addData() async {
Expand Down Expand Up @@ -453,31 +454,47 @@ class FirestoreSnippets extends DocSnippet {
void getDataOnce_multipleDocumentsFromACollection() {
// [START get_data_once_multiple_documents_from_a_collection]
db.collection("cities").where("capital", isEqualTo: true).get().then(
(querySnapshot) {
print("Successfully completed");
for (var docSnapshot in querySnapshot.docs) {
print('${docSnapshot.id} => ${docSnapshot.data()}');
}
},
onError: (e) => print("Error completing: $e"),
);
(querySnapshot) {
print("Successfully completed");
for (var docSnapshot in querySnapshot.docs) {
print('${docSnapshot.id} => ${docSnapshot.data()}');
}
},
onError: (e) => print("Error completing: $e"),
);
// [END get_data_once_multiple_documents_from_a_collection]
}

void getDataOnce_getAllDocumentsInACollection() {
// [START get_data_once_get_all_documents_in_a_collection]
db.collection("cities").get().then(
(querySnapshot) {
print("Successfully completed");
for (var docSnapshot in querySnapshot.docs) {
print('${docSnapshot.id} => ${docSnapshot.data()}');
}
},
onError: (e) => print("Error completing: $e"),
);
(querySnapshot) {
print("Successfully completed");
for (var docSnapshot in querySnapshot.docs) {
print('${docSnapshot.id} => ${docSnapshot.data()}');
}
},
onError: (e) => print("Error completing: $e"),
);
// [END get_data_once_get_all_documents_in_a_collection]
}

void getDataOnce_getAllDocumentsInASubcollection() {
// [START get_data_once_get_all_documents_in_a_subcollection]
// [START firestore_query_subcollection]
db.collection("cities").doc("SF").collection("landmarks").get().then(
(querySnapshot) {
print("Successfully completed");
for (var docSnapshot in querySnapshot.docs) {
print('${docSnapshot.id} => ${docSnapshot.data()}');
}
},
onError: (e) => print("Error completing: $e"),
);
// [END firestore_query_subcollection]
// [END get_data_once_get_all_documents_in_a_subcollection]
}

void getDataOnce_listSubCollections() {
// [START get_data_once_list_sub_collections]
// Not currently available in Dart SDK
Expand Down Expand Up @@ -807,27 +824,20 @@ class FirestoreSnippets extends DocSnippet {
void aggregationQuery_count() {
// [START count_aggregate_collection]
// Returns number of documents in users collection
db
.collection("users")
.count()
.then(
(res) => print(res.data().count),
onError: (e) => print("Error completing: $e"),
);
db.collection("users").count().then(
(res) => print(res.data().count),
onError: (e) => print("Error completing: $e"),
);
// [END count_aggregate_collection]
}

void aggregationQuery_count2() {
// [START count_aggregate_query]
// This also works with collectionGroup queries.
db
.collection("users")
.where("age", isGreaterThan: 10)
.count()
.then(
(res) => print(res.data().count),
onError: (e) => print("Error completing: $e"),
);
db.collection("users").where("age", isGreaterThan: 10).count().then(
(res) => print(res.data().count),
onError: (e) => print("Error completing: $e"),
);
// [END count_aggregate_query]
}

Expand Down
34 changes: 17 additions & 17 deletions packages/firebase_snippets_app/pubspec.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -23,35 +23,35 @@ environment:
dependencies:
flutter:
sdk: flutter
firebase_core: ^1.12.0
cloud_firestore: ^3.1.8
firebase_core: ^2.12.0
cloud_firestore: ^4.7.0
cloud_firestore_odm: ^1.0.0-dev.11
cloud_functions: ^3.2.10
firebase_remote_config: ^2.0.2
firebase_analytics: ^9.1.2
firebase_storage: ^10.2.9
firebase_messaging: ^11.2.11
firebase_dynamic_links: ^4.1.2
firebase_ml_model_downloader: ^0.1.0+9
firebase_auth: ^3.3.12
cloud_functions: ^4.3.0
firebase_remote_config: ^4.2.0
firebase_analytics: ^10.4.0
firebase_storage: ^11.2.0
firebase_messaging: ^14.6.0
firebase_dynamic_links: ^5.3.0
firebase_ml_model_downloader: ^0.2.3
firebase_auth: ^4.6.0
path_provider: ^2.0.9
firebase_database: ^9.0.9
firebase_performance: ^0.8.0+8
firebase_database: ^10.2.0
firebase_performance: ^0.9.2
json_annotation: ^4.4.0
google_sign_in: ^5.2.4
flutter_facebook_auth: ^4.1.2
google_sign_in: ^6.1.0
flutter_facebook_auth: ^5.0.11
github_sign_in: ^0.0.4
twitter_login: ^4.1.0
sign_in_with_apple: ^3.3.0
sign_in_with_apple: ^4.3.0
crypto: ^3.0.1
firebase_crashlytics: ^2.6.2
firebase_crashlytics: ^3.3.0

dev_dependencies:
flutter_test:
sdk: flutter
integration_test:
sdk: flutter
flutter_lints: ^1.0.0
flutter_lints: ^2.0.1
build_runner: ^2.1.8
cloud_firestore_odm_generator: ^1.0.0-dev.11
json_serializable: ^6.1.5
Expand Down