DB is looking a lot better now that she has all her data in order... time to try to dynamicly create view for diffrent lots

flutter_app/lib/main.dart

@@ -22,16 +22,49 @@ class MyHomePage extends StatefulWidget {
 
 class _MyHomePageState extends State<MyHomePage> {
   final db = Firestore.instance.collection('lots');
+  static int lot = 26;
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: Text('Lot 1')),
+      appBar: AppBar(title: Text(lot.toString())),
-      body: _buildBody(
+      body:
-          context, db.document('Lot1').collection('stalls')),
+//      _buildLot(context, db),
+      _buildBody(
+          context, db.document("Lot" + lot.toString()).collection('stalls')),
+      floatingActionButton: FloatingActionButton(
+        child: Text("Next Lot"),
+
+
+      ),
+
     );
   }
+}
 
-  Widget _buildBody(BuildContext context, CollectionReference stallDB) {
+Widget _buildLot(BuildContext context, CollectionReference lotDB) {
+  return StreamBuilder<QuerySnapshot>(
+    stream: lotDB.snapshots(),
+    builder: (context, snapshot) {
+      if (!snapshot.hasData) return LinearProgressIndicator();
+      return _buildLotList(context, snapshot.data.documents);
+    },
+  );
+}
+
+Widget _buildLotList(BuildContext context, List<DocumentSnapshot> snapshot) {
+  return ListView(
+    children:
+    snapshot.map((data) => _buildListLotItem(context, data)).toList(),
+  );
+}
+
+Widget _buildListLotItem(BuildContext context, DocumentSnapshot data) {
+  final record = LotRecord.fromSnapshot(data);
+  return Text(record.stall.toString());
+}
+
+Widget _(BuildContext context, CollectionReference stallDB) {
   return StreamBuilder<QuerySnapshot>(
     stream: stallDB.snapshots(),
     builder: (context, snapshot) {
@@ -40,9 +73,20 @@ class _MyHomePageState extends State<MyHomePage> {
       return _buildList(context, snapshot.data.documents);
     },
   );
-  }
+}
 
-  Widget _buildList(BuildContext context, List<DocumentSnapshot> snapshot) {
+Widget _buildBody(BuildContext context, CollectionReference stallDB) {
+  return StreamBuilder<QuerySnapshot>(
+    stream: stallDB.snapshots(),
+    builder: (context, snapshot) {
+      if (!snapshot.hasData) return LinearProgressIndicator();
+
+      return _buildList(context, snapshot.data.documents);
+    },
+  );
+}
+
+Widget _buildList(BuildContext context, List<DocumentSnapshot> snapshot) {
   return GridView.count(
     primary: false,
     padding: const EdgeInsets.all(60),
@@ -50,48 +94,78 @@ class _MyHomePageState extends State<MyHomePage> {
     crossAxisCount: 2,
     children: snapshot.map((data) => _buildListItem(context, data)).toList(),
   );
-  }
-
-  Widget _buildListItem(BuildContext context, DocumentSnapshot data) {
-    final record = Record.fromSnapshot(data);
-    if (record.open) {
-      return Card(
-        key: ValueKey(record.stall),
-        color: Colors.green[300],
-        child: Center(
-          child: Column(
-            children: [
-              ListTile(
-                title: Text("Stall " + record.stall.toString(),
-                    style: TextStyle(fontWeight: FontWeight.w500)),
-                subtitle: Text(record.open.toString()),
-              ),
-            ],),
-        ),
-      );
-    } //if
-    else {
-      return Card(
-        key: ValueKey(record.stall),
-        color: Colors.red[100],
-        child: Center(
-          child: Column(
-            children: [
-              ListTile(
-                title: Text("Stall " + record.stall.toString(),
-                    style: TextStyle(fontWeight: FontWeight.w500)),
-                subtitle: Text(record.open.toString()),
-              ),
-            ],),
-        ),
-
-
-      );
-    }
-
-  }
 }
 
+Widget _buildListItem(BuildContext context, DocumentSnapshot data) {
+  final record = Record.fromSnapshot(data);
+  return Card(
+    key: ValueKey(record.stall),
+    color: (record.open ? Colors.green[200] : Colors.red[100]),
+    child: Center(
+      child: Column(
+        children: [
+          ListTile(
+            title: Text("Stall " + record.stall.toString(),
+                style: TextStyle(fontWeight: FontWeight.w500)),
+            subtitle: Text(record.open.toString()),
+          ),
+        ],
+      ),
+    ),
+  );
+}
+
+
+class LotRecord {
+  final int stall;
+  final int passID;
+  final bool open;
+  final bool handicap;
+  final DocumentReference reference;
+
+  LotRecord.fromMap(Map<String, dynamic> map, {this.reference})
+      : assert(map['handicap'] != null),
+        assert(map['stall'] != null),
+        assert(map['passID'] != null),
+        assert(map['open'] != null),
+        stall = map['stall'],
+        passID = map['passID'],
+        open = map['open'],
+        handicap = map['handicap'];
+
+  LotRecord.fromSnapshot(DocumentSnapshot snapshot)
+      : this.fromMap(snapshot.data, reference: snapshot.reference);
+
+  @override
+  String toString() => "Record<$stall>";
+}
+
+
+class lotRecord {
+  final int stall;
+  final int passID;
+  final bool open;
+  final bool handicap;
+  final DocumentReference reference;
+
+  lotRecord.fromMap(Map<String, dynamic> map, {this.reference})
+      : assert(map['handicap'] != null),
+        assert(map['stall'] != null),
+        assert(map['passID'] != null),
+        assert(map['open'] != null),
+        stall = map['stall'],
+        passID = map['passID'],
+        open = map['open'],
+        handicap = map['handicap'];
+
+  lotRecord.fromSnapshot(DocumentSnapshot snapshot)
+      : this.fromMap(snapshot.data, reference: snapshot.reference);
+
+  @override
+  String toString() => "Record<$stall>";
+}
+
+
 class Record {
   final int stall;
   final int passID;
@@ -109,8 +183,6 @@ class Record {
         open = map['open'],
         handicap = map['handicap'];
 
-
-
   Record.fromSnapshot(DocumentSnapshot snapshot)
       : this.fromMap(snapshot.data, reference: snapshot.reference);