firestore_collection 0.2.0 copy "firestore_collection: ^0.2.0" to clipboard
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Firestore extension with cache-first, pagination and stream builder support.

firestore_collection #

This package is used in production but It doesn't provide any warranty. So, be careful with your data! #

Firestore extension with cache-first pagination and stream builder support.

firestore_collection - Animated gif demo

Features #

  • Cache-first query support.
  • Easy to use with StreamBuilder.
  • Pagination support.
  • Collection listener support. For documents which has greater value related to order field.
  • Remove document-list with BatchWrite.
  • Select documents to remove.
  • Fake remove operation with document update.
  • Custom compare function support for ordering list as desired in ListView.

Usage #

Initialize a FirestoreCollection

FirestoreCollection fireCollection = FirestoreCollection(
    collection: FirebaseFirestore.instance
        .collection('posts')
        .doc('post_id')
        .collection("comments"),
    initializeOnStart: true, // first page will be fetched immediately
    offset: 15, // page size
    serverOnly: false, // cache first
    live: true, // notifies to newest docs
    queryList: [
        FirebaseFirestore.instance
            .collection('posts')
            .doc('post_id')
            .collection("comments"),
    ],
    queryOrder: QueryOrder(
        orderField: 'timestamp',
    ),
);

Use it with StreamBuilder

StreamBuilder(
    stream: fireCollection.stream,
    builder: (context, AsyncSnapshot<List<DocumentSnapshot>> snapshot) {
        return ListView.builder(itemBuilder: (context, index) {
            return Text(snapshot.data.elementAt(index).id);
        });
    },
);

Fetch next page

fireCollection.nextPage();

Don't forget to dispose

await fireCollection.dispose();
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Firestore extension with cache-first, pagination and stream builder support.

Repository (GitHub)
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Documentation

API reference

License

MIT (license)

Dependencies

cloud_firestore, flutter, rxdart

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