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.
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();