Searchdelegates class using flutter firebase - flutter

Question

I have a searchDelagate class...inside the class i want to diapaly some dat that comes from the collection"users"...Here actually my problem is i have two collection users and company ..i want to dispaly the data that match with the uid of another collection company..so i tried to call the function like this
class SearchPage extends SearchDelegate {
CollectionReference _firebaseFirestore =
FirebaseFirestore.instance.collection('users').where('pid',isEqualTo:widget.uid);
but when use "widget.uid"it become an error
i attach the full code below
class SearchPage extends SearchDelegate {
CollectionReference _firebaseFirestore =
FirebaseFirestore.instance.collection('users').where('pid',isEqualTo:widget.uid);
#override
List<Widget>? buildActions(BuildContext context) {
return <Widget>[
IconButton(
onPressed: () {
query = "";
},
icon: Icon(Icons.close)),
];
}
#override
Widget? buildLeading(BuildContext context) {
return IconButton(
onPressed: () {
Navigator.of(context).pop();
},
icon: Icon(Icons.arrow_back));
}
#override
Widget buildResults(BuildContext context) {
return SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Container(
width: 500,
// color: Colors.indigo,
// height: 300,
child: Column(
children: [
Row(
children: [
buildTextTitle("Reg no", 60),
buildTextTitle("Name", 100),
buildTextTitle("Address", 100),
buildTextTitle("Phone", 100),
buildTextTitle("Monthly amount", 70),
buildTextTitle("Opening balance", 70),
],
),
const Divider(
height: 20,
thickness: 1,
color: Colors.black,
),
Expanded(
child: Container(
child: StreamBuilder<QuerySnapshot>(
stream: _firebaseFirestore.snapshots().asBroadcastStream(),
builder: (BuildContext context,
AsyncSnapshot<QuerySnapshot> snapshot) {
if (!snapshot.hasData) {
return Center(child: CircularProgressIndicator());
} else {
print(snapshot.data);
return ListView(
children: [
...snapshot.data!.docs
.where(
(QueryDocumentSnapshot<Object?> element) =>
element["RegNo"]
.toLowerCase()
.contains(query.toLowerCase()))
.map((QueryDocumentSnapshot<Object?> data) {
final String regno = data.get("RegNo");
final String name = data["Name"];
final String phone = data["Phone"];
final String address = data["Address"];
final String opening = data["Opening"];
final String monthly = data["Monthly"];
final String id = data["id"];
final String pid = data["pid"];
final String pdis = data["pdis"];
final String pemail = data["pemail"];
final String pname = data["pname"];
final String pphone = data["pphone"];
final String pregno = data["pregno"];
final String ppost = data["ppost"];
//final String id=data["id"];
return Container(
// height:100,
//width: 150,
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) =>
CollectionPage(
RegNo: regno,
Phone: phone,
Name: name,
Address: address,
Monthly: monthly,
Opening: opening,
id: id,
pdis: pdis,
pemail: pemail,
pid: pid,
pname: pname,
pphone: pphone,
ppost: ppost,
pregno: pregno,
)));
},
child: Column(
children: [
Row(
children: [
buildSizedBox(regno, 60),
buildSizedBox(name, 100),
buildSizedBox(address, 100),
buildSizedBox(phone, 100),
buildSizedBox("${monthly}/-", 70),
buildSizedBox("${opening}/-", 70),
],
),
Row(
children: [
Expanded(
child: const Divider(
height: 20,
thickness: 1,
// indent: 200,
// endIndent: 50,
color: Colors.green,
),
)
],
),
],
),
),
);
})
],
);
}
},
),
),
),
],
),
),
),
);
}
#override
Widget buildSuggestions(BuildContext context) {
return SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Container(
width: 500,
child: Column(
children: [
Row(
children: [
buildTextTitle("Reg no", 60),
buildTextTitle("Name", 100),
buildTextTitle("Address", 100),
buildTextTitle("Phone", 100),
buildTextTitle("Monthly amount", 70),
buildTextTitle("Opening balance", 70),
],
),
const Divider(
height: 20,
thickness: 1,
color: Colors.black,
),
Expanded(
child: SingleChildScrollView(
child: Container(
child: StreamBuilder<QuerySnapshot>(
stream: FirebaseFirestore.instance
.collection('users')
where('pid',isEqualTo: widget.uid)
.snapshots(),
builder: (BuildContext context,
AsyncSnapshot<QuerySnapshot> snapshot) {
if (!snapshot.hasData)
return CircularProgressIndicator();
{
return ListView.separated(
shrinkWrap: true,
itemCount: snapshot.data!.docs.length,
physics: const NeverScrollableScrollPhysics(),
separatorBuilder: (context, index) {
return Container();
},
itemBuilder: (BuildContext context, int index) {
return Container(
// height:100,
//width: 150,
child: GestureDetector(
onTap: () {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) =>
CollectionPage(
RegNo: snapshot.data
?.docs[index]['RegNo'],
Phone: snapshot.data
?.docs[index]['Phone'],
Name: snapshot.data
?.docs[index]['Name'],
Address: snapshot.data
?.docs[index]['Address'],
Monthly: snapshot.data
?.docs[index]['Monthly'],
Opening: snapshot.data
?.docs[index]['Opening'],
id: snapshot.data?.docs[index]
['id'],
pdis: snapshot.data
?.docs[index]['pdis'],
pemail: snapshot.data
?.docs[index]['pemail'],
pid: snapshot
.data?.docs[index]['pid'],
pname: snapshot.data
?.docs[index]['pname'],
pphone: snapshot.data
?.docs[index]['pphone'],
ppost: snapshot.data
?.docs[index]['ppost'],
pregno: snapshot.data
?.docs[index]['pregno'],
)));
},
child: Column(
children: [
Row(
children: [
buildSizedBox(
snapshot.data!.docs[index]
['RegNo'],
60),
buildSizedBox(
snapshot.data!.docs[index]
['Name'],
100),
buildSizedBox(
snapshot.data!.docs[index]
['Address'],
100),
buildSizedBox(
snapshot.data!.docs[index]
['Phone'],
100),
buildSizedBox(
"${snapshot.data!.docs[index]['Monthly']}/-",
70),
buildSizedBox(
"${snapshot.data!.docs[index]['Opening']}/-",
70),
],
),
Row(
children: [
Expanded(
child: const Divider(
height: 20,
thickness: 1,
// indent: 200,
// endIndent: 50,
color: Colors.green,
),
)
],
),
],
),
),
);
},
);
}
},
),
),
),
),
],
),
),
),
);
}
SizedBox buildSizedBox(String value, double size) {
return SizedBox(
width: size,
child: Text(
value,
style: const TextStyle(
letterSpacing: 0,
color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.w400),
));
}
SizedBox buildTextTitle(String title, double width) {
return SizedBox(
width: width,
child: Text(
title,
style: const TextStyle(
letterSpacing: 0,
color: Colors.red,
fontSize: 14,
fontWeight: FontWeight.w500),
),
);
}
}