stop stacking snackbars

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## Jira Ticket
[SP-1768](https://syncrow.atlassian.net/browse/SP-1768)

## Description

<!--- Describe your changes in detail -->
fix white container take only a small part of the device table

## Type of Change

<!--- Put an `x` in all the boxes that apply: -->

- [ ] ✨ New feature (non-breaking change which adds functionality)
- [x] 🛠️ Bug fix (non-breaking change which fixes an issue)
- [ ] ❌ Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] 🧹 Code refactor
- [ ] ✅ Build configuration change
- [ ] 📝 Documentation
- [ ] 🗑️ Chore 


[SP-1768]:
https://syncrow.atlassian.net/browse/SP-1768?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

lib/pages/analytics/models/range_of_aqi.dart

@@ -38,9 +38,9 @@ class RangeOfAqiValue extends Equatable {
   factory RangeOfAqiValue.fromJson(Map<String, dynamic> json) {
     return RangeOfAqiValue(
       type: json['type'] as String,
-      min: (json['min'] as num).toDouble(),
+      min: (json['min'] as num? ?? 0).toDouble(),
-      average: (json['average'] as num).toDouble(),
+      average: (json['average'] as num? ?? 0).toDouble(),
-      max: (json['max'] as num).toDouble(),
+      max: (json['max'] as num? ?? 0).toDouble(),
     );
   }
 

lib/pages/analytics/modules/air_quality/helpers/fetch_air_quality_data_helper.dart

@@ -24,11 +24,13 @@ abstract final class FetchAirQualityDataHelper {
   }) {
     final date = context.read<AnalyticsDatePickerBloc>().state.monthlyDate;
     final aqiType = context.read<AirQualityDistributionBloc>().state.selectedAqiType;
+    if (shouldFetchAnalyticsDevices) {
       loadAnalyticsDevices(
         context,
         communityUuid: communityUuid,
         spaceUuid: spaceUuid,
       );
+    }
     loadRangeOfAqi(
       context,
       spaceUuid: spaceUuid,

lib/pages/analytics/modules/air_quality/helpers/range_of_aqi_charts_helper.dart

@@ -23,6 +23,7 @@ abstract final class RangeOfAqiChartsHelper {
     return titlesData.copyWith(
       bottomTitles: titlesData.bottomTitles.copyWith(
         sideTitles: titlesData.bottomTitles.sideTitles.copyWith(
+          reservedSize: 36,
           getTitlesWidget: (value, meta) => Padding(
             padding: const EdgeInsetsDirectional.only(top: 20.0),
             child: Text(
@@ -40,6 +41,7 @@ abstract final class RangeOfAqiChartsHelper {
           reservedSize: 70,
           interval: 50,
           maxIncluded: false,
+          minIncluded: true,
           getTitlesWidget: (value, meta) {
             final text = value >= 300 ? '301+' : value.toInt().toString();
             return Padding(

lib/pages/analytics/modules/air_quality/views/air_quality_view.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:syncrow_web/pages/analytics/modules/air_quality/widgets/air_quality_end_side_widget.dart';
 import 'package:syncrow_web/pages/analytics/modules/air_quality/widgets/aqi_distribution_chart_box.dart';
+import 'package:syncrow_web/pages/analytics/modules/air_quality/widgets/aqi_legend.dart';
 import 'package:syncrow_web/pages/analytics/modules/air_quality/widgets/range_of_aqi_chart_box.dart';
 
 class AirQualityView extends StatelessWidget {
@@ -20,6 +21,10 @@ class AirQualityView extends StatelessWidget {
             child: Column(
               spacing: 32,
               children: [
+                SizedBox(
+                  height: height * 0.1,
+                  child: const AqiLegend(),
+                ),
                 SizedBox(
                   height: height * 1.2,
                   child: const AirQualityEndSideWidget(),
@@ -40,7 +45,7 @@ class AirQualityView extends StatelessWidget {
         return SingleChildScrollView(
           child: Container(
             padding: _padding,
-            height: height * 1.1,
+            height: height * 1.2,
             child: const Column(
               children: [
                 Expanded(
@@ -52,8 +57,9 @@ class AirQualityView extends StatelessWidget {
                         child: Column(
                           spacing: 20,
                           children: [
-                            Expanded(child: RangeOfAqiChartBox()),
+                            Expanded(flex: 2, child: AqiLegend()),
-                            Expanded(child: AqiDistributionChartBox()),
+                            Expanded(flex: 12, child: RangeOfAqiChartBox()),
+                            Expanded(flex: 12, child: AqiDistributionChartBox()),
                           ],
                         ),
                       ),

lib/pages/analytics/modules/air_quality/widgets/aqi_distribution_chart.dart

@@ -32,8 +32,13 @@ class AqiDistributionChart extends StatelessWidget {
   }
 
   List<BarChartGroupData> _buildBarGroups() {
-    return List.generate(chartData.length, (index) {
+    final groups = <BarChartGroupData>[];
-      final data = chartData[index];
+    for (var i = 0; i < chartData.length; i++) {
+      final data = chartData[i];
+      final isAllZero = data.data.every((d) => d.percentage == 0);
+      if (isAllZero) {
+        continue;
+      }
       final stackItems = <BarChartRodData>[];
       double currentY = 0;
       var isFirstElement = true;
@@ -56,13 +61,15 @@ class AqiDistributionChart extends StatelessWidget {
         currentY += percentageData.percentage + _rodStackItemsSpacing;
         isFirstElement = false;
       }
-
+      groups.add(
-      return BarChartGroupData(
+        BarChartGroupData(
-        x: index,
+          x: i,
           barRods: stackItems,
           groupVertically: true,
+        ),
       );
-    });
+    }
+    return groups;
   }
 
   BarTouchData _barTouchData(BuildContext context) {
@@ -73,6 +80,7 @@ class AqiDistributionChart extends StatelessWidget {
           color: ColorsManager.semiTransparentBlack,
         ),
         tooltipRoundedRadius: 16,
+        maxContentWidth: 500,
         tooltipPadding: const EdgeInsets.all(8),
         getTooltipItem: (group, groupIndex, rod, rodIndex) {
           final data = chartData[group.x];
@@ -81,10 +89,13 @@ class AqiDistributionChart extends StatelessWidget {
 
           final textStyle = context.textTheme.bodySmall?.copyWith(
             color: ColorsManager.blackColor,
-            fontSize: 8,
+            fontSize: 11,
           );
 
           for (final percentageData in data.data) {
+            if (percentageData.percentage == 0) {
+              continue;
+            }
             final percentage = percentageData.percentage.toStringAsFixed(1);
             final type = percentageData.type[0].toUpperCase() +
                 percentageData.type.substring(1).replaceAll('_', ' ');
@@ -98,7 +109,7 @@ class AqiDistributionChart extends StatelessWidget {
             DateFormat('dd/MM/yyyy').format(data.date),
             context.textTheme.bodyMedium!.copyWith(
               color: ColorsManager.blackColor,
-              fontSize: 9,
+              fontSize: 12,
               fontWeight: FontWeight.w600,
             ),
             textAlign: TextAlign.start,
@@ -118,7 +129,6 @@ class AqiDistributionChart extends StatelessWidget {
     final leftTitles = titlesData.leftTitles.copyWith(
       sideTitles: titlesData.leftTitles.sideTitles.copyWith(
         reservedSize: 70,
-        interval: 20,
         maxIncluded: false,
         minIncluded: true,
         getTitlesWidget: (value, meta) => Padding(
@@ -140,7 +150,7 @@ class AqiDistributionChart extends StatelessWidget {
 
     final bottomTitles = AxisTitles(
       sideTitles: SideTitles(
-        showTitles: true,
+        showTitles: chartData.isNotEmpty,
         getTitlesWidget: (value, _) => FittedBox(
           alignment: AlignmentDirectional.bottomCenter,
           fit: BoxFit.scaleDown,
@@ -148,7 +158,7 @@ class AqiDistributionChart extends StatelessWidget {
             chartData[value.toInt()].date.day.toString(),
             style: context.textTheme.bodySmall?.copyWith(
               color: ColorsManager.lightGreyColor,
-              fontSize: 8,
+              fontSize: 12,
             ),
           ),
         ),

lib/pages/analytics/modules/air_quality/widgets/aqi_distribution_chart_title.dart

@@ -19,7 +19,7 @@ class AqiDistributionChartTitle extends StatelessWidget {
       children: [
         ChartsLoadingWidget(isLoading: isLoading),
         const Expanded(
-          flex: 3,
+          flex: 4,
           child: FittedBox(
             fit: BoxFit.scaleDown,
             alignment: AlignmentDirectional.centerStart,
@@ -28,7 +28,9 @@ class AqiDistributionChartTitle extends StatelessWidget {
             ),
           ),
         ),
-        FittedBox(
+        Expanded(
+          flex: 2,
+          child: FittedBox(
             alignment: AlignmentDirectional.centerEnd,
             fit: BoxFit.scaleDown,
             child: AqiTypeDropdown(
@@ -47,6 +49,7 @@ class AqiDistributionChartTitle extends StatelessWidget {
               },
             ),
           ),
+        ),
       ],
     );
   }

lib/pages/analytics/modules/air_quality/widgets/aqi_legend.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:syncrow_web/pages/analytics/modules/air_quality/helpers/range_of_aqi_charts_helper.dart';
+import 'package:syncrow_web/pages/analytics/modules/analytics/widgets/chart_informative_cell.dart';
+import 'package:syncrow_web/utils/style.dart';
+
+class AqiLegend extends StatelessWidget {
+  const AqiLegend({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      padding: const EdgeInsetsDirectional.all(20),
+      decoration: subSectionContainerDecoration.copyWith(
+        borderRadius: BorderRadius.circular(20),
+      ),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.center,
+        spacing: 16,
+        children: RangeOfAqiChartsHelper.gradientData.map((e) {
+          return Flexible(
+            flex: 4,
+            child: FittedBox(
+              fit: BoxFit.fill,
+              child: ChartInformativeCell(
+                color: e.$1,
+                title: FittedBox(
+                  fit: BoxFit.fill,
+                  child: Text(e.$2),
+                ),
+                height: null,
+              ),
+            ),
+          );
+        }).toList(),
+      ),
+    );
+  }
+}

lib/pages/analytics/modules/air_quality/widgets/aqi_location_info_cell.dart

@@ -47,19 +47,29 @@ class AqiLocationInfoCell extends StatelessWidget {
               ),
             ),
             Align(
-              alignment: AlignmentDirectional.bottomEnd,
+              alignment: AlignmentDirectional.bottomCenter,
-              child: Padding(
+              child: Row(
-                padding: const EdgeInsetsDirectional.all(10),
+                crossAxisAlignment: CrossAxisAlignment.end,
-                child: SizedBox(
+                children: [
-                  height: 40,
+                  Expanded(
-                  width: 120,
+                    child: SvgPicture.asset(
+                      svgPath,
+                      fit: BoxFit.scaleDown,
+                      alignment: AlignmentDirectional.bottomStart,
+                    ),
+                  ),
+                  Expanded(
                     child: FittedBox(
                       fit: BoxFit.scaleDown,
                       alignment: AlignmentDirectional.bottomEnd,
+                      child: Padding(
+                        padding: const EdgeInsetsDirectional.all(10),
                         child: Text(
                           value,
                           style: context.textTheme.bodySmall?.copyWith(
-                        color: ColorsManager.vividBlue.withValues(alpha: 0.7),
+                            color: ColorsManager.vividBlue.withValues(
+                              alpha: 0.7,
+                            ),
                             fontWeight: FontWeight.w700,
                             fontSize: 24,
                           ),
@@ -67,16 +77,7 @@ class AqiLocationInfoCell extends StatelessWidget {
                       ),
                     ),
                   ),
-            ),
+                ],
-            Align(
-              alignment: AlignmentDirectional.bottomStart,
-              child: SizedBox.square(
-                dimension: MediaQuery.sizeOf(context).width * 0.45,
-                child: FittedBox(
-                  fit: BoxFit.scaleDown,
-                  alignment: AlignmentDirectional.bottomStart,
-                  child: SvgPicture.asset(svgPath),
-                ),
               ),
             ),
           ],

lib/pages/analytics/modules/analytics/widgets/chart_informative_cell.dart

@@ -7,16 +7,18 @@ class ChartInformativeCell extends StatelessWidget {
     required this.title,
     required this.color,
     this.hasBorder = false,
+    this.height,
   });
 
   final Widget title;
   final Color color;
   final bool hasBorder;
+  final double? height;
 
   @override
   Widget build(BuildContext context) {
     return Container(
-      height: MediaQuery.sizeOf(context).height * 0.0385,
+      height: height ?? MediaQuery.sizeOf(context).height * 0.0385,
       padding: const EdgeInsetsDirectional.symmetric(
         vertical: 8,
         horizontal: 12,

lib/pages/common/custom_table.dart

@@ -179,7 +179,10 @@ class _DynamicTableState extends State<DynamicTable> {
     );
   }
 
-  Widget _buildEmptyState() => Column(
+  Widget _buildEmptyState() => Container(
+        height: widget.size.height,
+        color: ColorsManager.whiteColors,
+        child: Column(
           mainAxisAlignment: MainAxisAlignment.center,
           children: [
             Row(
@@ -203,7 +206,9 @@ class _DynamicTableState extends State<DynamicTable> {
                 ),
               ],
             ),
+            SizedBox(height: widget.size.height * 0.5),
           ],
+        ),
       );
   Widget _buildSelectAllCheckbox() {
     return Container(

lib/pages/device_managment/all_devices/widgets/device_managment_body.dart

@@ -62,7 +62,8 @@ class DeviceManagementBody extends StatelessWidget with HelperResponsiveLayout {
 
         final buttonLabel =
             (selectedDevices.length > 1) ? 'Batch Control' : 'Control';
-
+        final isAnyDeviceOffline =
+            selectedDevices.any((element) => !(element.online ?? false));
         return Row(
           children: [
             Expanded(child: SpaceTreeView(
@@ -103,8 +104,28 @@ class DeviceManagementBody extends StatelessWidget with HelperResponsiveLayout {
                                 decoration: containerDecoration,
                                 child: Center(
                                   child: DefaultButton(
+                                    backgroundColor: isAnyDeviceOffline
+                                        ? ColorsManager.primaryColor
+                                            .withValues(alpha: 0.1)
+                                        : null,
                                     onPressed: isControlButtonEnabled
                                         ? () {
+                                            if (isAnyDeviceOffline) {
+                                              ScaffoldMessenger.of(context)
+                                                  .clearSnackBars();
+                                              ScaffoldMessenger.of(context)
+                                                  .showSnackBar(
+                                                const SnackBar(
+                                                  content: Text(
+                                                    'This Device is Offline',
+                                                  ),
+                                                  duration:
+                                                      Duration(seconds: 2),
+                                                ),
+                                              );
+                                              return;
+                                            }
+
                                             if (selectedDevices.length == 1) {
                                               showDialog(
                                                 context: context,

lib/pages/space_management_v2/main_module/models/space_connection_model.dart

@@ -1,6 +0,0 @@
-class SpaceConnectionModel {
-  final String from;
-  final String to;
-
-  const SpaceConnectionModel({required this.from, required this.to});
-}

lib/pages/space_management_v2/main_module/painters/spaces_connections_arrow_painter.dart

@@ -1,60 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/models/space_connection_model.dart';
-import 'package:syncrow_web/utils/color_manager.dart';
-
-class SpacesConnectionsArrowPainter extends CustomPainter {
-  final List<SpaceConnectionModel> connections;
-  final Map<String, Offset> positions;
-  final double cardWidth = 150.0;
-  final double cardHeight = 90.0;
-  final String? selectedSpaceUuid;
-
-  SpacesConnectionsArrowPainter({
-    required this.connections,
-    required this.positions,
-    this.selectedSpaceUuid,
-  });
-
-  @override
-  void paint(Canvas canvas, Size size) {
-    for (final connection in connections) {
-      final isSelected = connection.to == selectedSpaceUuid;
-      final paint = Paint()
-        ..color = isSelected
-            ? ColorsManager.primaryColor
-            : ColorsManager.blackColor.withValues(alpha: 0.5)
-        ..strokeWidth = 2.0
-        ..style = PaintingStyle.stroke;
-
-      final from = positions[connection.from];
-      final to = positions[connection.to];
-
-      if (from != null && to != null) {
-        final startPoint =
-            Offset(from.dx + cardWidth / 2, from.dy + cardHeight - 10);
-        final endPoint = Offset(to.dx + cardWidth / 2, to.dy);
-
-        final path = Path()..moveTo(startPoint.dx, startPoint.dy);
-
-        final controlPoint1 = Offset(startPoint.dx, startPoint.dy + 60);
-        final controlPoint2 = Offset(endPoint.dx, endPoint.dy - 60);
-
-        path.cubicTo(controlPoint1.dx, controlPoint1.dy, controlPoint2.dx,
-            controlPoint2.dy, endPoint.dx, endPoint.dy);
-
-        canvas.drawPath(path, paint);
-
-        final circlePaint = Paint()
-          ..color = isSelected
-              ? ColorsManager.primaryColor
-              : ColorsManager.blackColor.withValues(alpha: 0.5)
-          ..style = PaintingStyle.fill
-          ..blendMode = BlendMode.srcIn;
-        canvas.drawCircle(endPoint, 4, circlePaint);
-      }
-    }
-  }
-
-  @override
-  bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
-}

lib/pages/space_management_v2/main_module/shared/helpers/space_management_community_dialog_helper.dart

@@ -1,24 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:syncrow_web/pages/space_management_v2/modules/communities/presentation/bloc/communities_bloc.dart';
-import 'package:syncrow_web/pages/space_management_v2/modules/communities/presentation/communities_tree_selection_bloc/communities_tree_selection_bloc.dart';
-import 'package:syncrow_web/pages/space_management_v2/modules/create_community/presentation/create_community_dialog.dart';
-
-abstract final class SpaceManagementCommunityDialogHelper {
-  static void showCreateDialog(BuildContext context) {
-    showDialog<void>(
-      context: context,
-      builder: (_) => CreateCommunityDialog(
-        title: const SelectableText('Community Name'),
-        onCreateCommunity: (community) {
-          context.read<CommunitiesBloc>().add(
-                InsertCommunity(community),
-              );
-          context.read<CommunitiesTreeSelectionBloc>().add(
-                SelectCommunityEvent(community: community),
-              );
-        },
-      ),
-    );
-  }
-}

lib/pages/space_management_v2/main_module/widgets/community_structure_canvas.dart

@@ -1,236 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/models/space_connection_model.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/painters/spaces_connections_arrow_painter.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/widgets/space_card_widget.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/widgets/space_cell.dart';
-import 'package:syncrow_web/pages/space_management_v2/modules/communities/domain/models/community_model.dart';
-import 'package:syncrow_web/pages/space_management_v2/modules/communities/domain/models/space_model.dart';
-
-class CommunityStructureCanvas extends StatefulWidget {
-  const CommunityStructureCanvas({
-    required this.community,
-    super.key,
-  });
-
-  final CommunityModel community;
-
-  @override
-  State<CommunityStructureCanvas> createState() =>_CommunityStructureCanvasState();  
-}
-
-class _CommunityStructureCanvasState extends State<CommunityStructureCanvas>
-    with SingleTickerProviderStateMixin {
-  final Map<String, Offset> _positions = {};
-  final double _cardWidth = 150.0;
-  final double _cardHeight = 90.0;
-  final double _horizontalSpacing = 150.0;
-  final double _verticalSpacing = 120.0;
-  String? _selectedSpaceUuid;
-
-  late TransformationController _transformationController;
-  late AnimationController _animationController;
-
-  @override
-  void initState() {
-    super.initState();
-    _transformationController = TransformationController();
-    _animationController = AnimationController(
-      vsync: this,
-      duration: const Duration(milliseconds: 100),
-    );
-  }
-
-  @override
-  void dispose() {
-    _transformationController.dispose();
-    _animationController.dispose();
-    super.dispose();
-  }
-
-  void _runAnimation(Matrix4 target) {
-    final animation = Matrix4Tween(
-      begin: _transformationController.value,
-      end: target,
-    ).animate(_animationController);
-
-    void listener() {
-      _transformationController.value = animation.value;
-    }
-
-    animation.addListener(listener);
-    _animationController.forward(from: 0).whenCompleteOrCancel(() {
-      animation.removeListener(listener);
-    });
-  }
-
-  void _onSpaceTapped(String spaceUuid) {
-    setState(() {
-      _selectedSpaceUuid = spaceUuid;
-    });
-
-    final position = _positions[spaceUuid];
-    if (position == null) return;
-
-    const scale = 2.0;
-    final viewSize = context.size;
-    if (viewSize == null) return;
-
-    final x = -position.dx * scale + (viewSize.width / 2) - (_cardWidth * scale / 2);
-    final y =
-        -position.dy * scale + (viewSize.height / 2) - (_cardHeight * scale / 2);
-
-    final matrix = Matrix4.identity()
-      ..translate(x, y)
-      ..scale(scale);
-
-    _runAnimation(matrix);
-  }
-
-  void _resetSelectionAndZoom() {
-    setState(() {
-      _selectedSpaceUuid = null;
-    });
-    _runAnimation(Matrix4.identity());
-  }
-
-  void _calculateLayout(
-    List<SpaceModel> spaces,
-    int depth,
-    Map<int, double> levelXOffset,
-  ) {
-    for (final space in spaces) {
-      double childSubtreeWidth = 0;
-      if (space.children.isNotEmpty) {
-        _calculateLayout(space.children, depth + 1, levelXOffset);
-        final firstChildPos = _positions[space.children.first.uuid];
-        final lastChildPos = _positions[space.children.last.uuid];
-        if (firstChildPos != null && lastChildPos != null) {
-          childSubtreeWidth = (lastChildPos.dx + _cardWidth) - firstChildPos.dx;
-        }
-      }
-
-      final currentX = levelXOffset.putIfAbsent(depth, () => 0.0);
-      double? x;
-
-      if (space.children.isNotEmpty) {
-        final firstChildPos = _positions[space.children.first.uuid]!;
-        x = firstChildPos.dx + (childSubtreeWidth - _cardWidth) / 2;
-      } else {
-        x = currentX;
-      }
-
-      if (x < currentX) {
-        final shiftX = currentX - x;
-        _shiftSubtree(space, shiftX);
-        final keysToShift = levelXOffset.keys.where((d) => d > depth).toList();
-        for (final key in keysToShift) {
-          levelXOffset[key] = levelXOffset[key]! + shiftX;
-        }
-        x += shiftX;
-      }
-
-      final y = depth * (_verticalSpacing + _cardHeight);
-      _positions[space.uuid] = Offset(x, y);
-      levelXOffset[depth] = x + _cardWidth + _horizontalSpacing;
-    }
-  }
-
-  void _shiftSubtree(SpaceModel space, double shiftX) {
-    if (_positions.containsKey(space.uuid)) {
-      _positions[space.uuid] = _positions[space.uuid]!.translate(shiftX, 0);
-    }
-    for (final child in space.children) {
-      _shiftSubtree(child, shiftX);
-    }
-  }
-
-  List<Widget> _buildTreeWidgets() {
-    _positions.clear();
-    final community = widget.community;
-
-    _calculateLayout(community.spaces, 0, {});
-
-    final widgets = <Widget>[];
-    final connections = <SpaceConnectionModel>[];
-    _generateWidgets(community.spaces, widgets, connections);
-
-    return [
-      CustomPaint(
-        painter: SpacesConnectionsArrowPainter(
-          connections: connections,
-          positions: _positions,
-          selectedSpaceUuid: _selectedSpaceUuid,
-        ),
-        child: Stack(alignment: AlignmentDirectional.center, children: widgets),
-      ),
-    ];
-  }
-
-  void _generateWidgets(
-    List<SpaceModel> spaces,
-    List<Widget> widgets,
-    List<SpaceConnectionModel> connections,
-  ) {
-    for (final space in spaces) {
-      final position = _positions[space.uuid];
-      if (position == null) continue;
-
-      widgets.add(
-        Positioned(
-          left: position.dx,
-          top: position.dy,
-          width: _cardWidth,
-          height: _cardHeight,
-          child: SpaceCardWidget(
-            index: spaces.indexOf(space),
-            onPositionChanged: (newPosition) {},
-            buildSpaceContainer: (index) {
-              return Opacity(
-                opacity: 1.0,
-                child: SpaceCell(
-                  index: index,
-                  onTap: () => _onSpaceTapped(space.uuid),
-                  icon: space.icon,
-                  name: space.spaceName,
-                ),
-              );
-            },
-            screenSize: MediaQuery.sizeOf(context),
-            position: position,
-            isHovered: false,
-            onHoverChanged: (int index, bool isHovered) {},
-            onButtonTap: (int index, Offset newPosition) {},
-          ),
-        ),
-      );
-
-      for (final child in space.children) {
-        connections.add(SpaceConnectionModel(from: space.uuid, to: child.uuid));
-      }
-      _generateWidgets(space.children, widgets, connections);
-    }
-  }
-
-  @override
-  Widget build(BuildContext context) {
-    final treeWidgets = _buildTreeWidgets();
-    return InteractiveViewer(
-      transformationController: _transformationController,
-      boundaryMargin: EdgeInsets.symmetric(
-        horizontal: MediaQuery.sizeOf(context).width * 0.3,
-        vertical: MediaQuery.sizeOf(context).height * 0.2,
-      ),
-      minScale: 0.5,
-      maxScale: 3.0,
-      constrained: false,
-      child: GestureDetector(
-        onTap: _resetSelectionAndZoom,
-        child: SizedBox(
-          width: MediaQuery.sizeOf(context).width * 2,
-          height: MediaQuery.sizeOf(context).height * 2,
-          child: Stack(children: treeWidgets),
-        ),
-      ),
-    );
-  }
-}

lib/pages/space_management_v2/main_module/widgets/community_template_cell.dart

@@ -1,50 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:syncrow_web/utils/color_manager.dart';
-import 'package:syncrow_web/utils/extension/build_context_x.dart';
-
-class CommunityTemplateCell extends StatelessWidget {
-  const CommunityTemplateCell({
-    super.key,
-    required this.onTap,
-    required this.title,
-  });
-
-  final void Function() onTap;
-  final Widget title;
-
-  @override
-  Widget build(BuildContext context) {
-    return GestureDetector(
-      onTap: onTap,
-      child: Column(
-        spacing: 8,
-        crossAxisAlignment: CrossAxisAlignment.center,
-        children: [
-          Expanded(
-            child: AspectRatio(
-              aspectRatio: 2.0,
-              child: Container(
-                decoration: ShapeDecoration(
-                  shape: RoundedRectangleBorder(
-                    side: const BorderSide(
-                      width: 4,
-                      strokeAlign: BorderSide.strokeAlignOutside,
-                      color: ColorsManager.borderColor,
-                    ),
-                    borderRadius: BorderRadius.circular(5),
-                  ),
-                ),
-              ),
-            ),
-          ),
-          DefaultTextStyle(
-            style: context.textTheme.bodyLarge!.copyWith(
-              color: ColorsManager.blackColor,
-            ),
-            child: title,
-          ),
-        ],
-      ),
-    );
-  }
-}

lib/pages/space_management_v2/main_module/widgets/create_space_button.dart

@@ -1,42 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:syncrow_web/utils/color_manager.dart';
-
-class CreateSpaceButton extends StatelessWidget {
-  const CreateSpaceButton({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    return GestureDetector(
-      onTap: () {},
-      child: Container(
-        height: 60,
-        decoration: BoxDecoration(
-          color: Colors.white,
-          borderRadius: BorderRadius.circular(20),
-          boxShadow: [
-            BoxShadow(
-              color: Colors.grey.withValues(alpha: 0.5),
-              spreadRadius: 5,
-              blurRadius: 7,
-              offset: const Offset(0, 3),
-            ),
-          ],
-        ),
-        child: Center(
-          child: Container(
-            width: 40,
-            height: 40,
-            decoration: const BoxDecoration(
-              color: ColorsManager.boxColor,
-              shape: BoxShape.circle,
-            ),
-            child: const Icon(
-              Icons.add,
-              color: Colors.blue,
-            ),
-          ),
-        ),
-      ),
-    );
-  }
-}

lib/pages/space_management_v2/main_module/widgets/plus_button_widget.dart

@@ -1,43 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:syncrow_web/utils/color_manager.dart';
-
-class PlusButtonWidget extends StatelessWidget {
-  final int index;
-  final String direction;
-  final Offset offset;
-  final void Function(int index, Offset newPosition) onButtonTap;
-
-  const PlusButtonWidget({
-    super.key,
-    required this.index,
-    required this.direction,
-    required this.offset,
-    required this.onButtonTap,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return GestureDetector(
-      onTap: () {
-        if (direction == 'down') {
-          onButtonTap(index, const Offset(0, 150));
-        } else {
-          onButtonTap(index, const Offset(150, 0));
-        }
-      },
-      child: Container(
-        width: 30,
-        height: 30,
-        decoration: const BoxDecoration(
-          color: ColorsManager.spaceColor,
-          shape: BoxShape.circle,
-        ),
-        child: const Icon(
-          Icons.add,
-          color: ColorsManager.whiteColors,
-          size: 20,
-        ),
-      ),
-    );
-  }
-}

lib/pages/space_management_v2/main_module/widgets/space_card_widget.dart

@@ -1,65 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/widgets/plus_button_widget.dart';
-
-class SpaceCardWidget extends StatelessWidget {
-  final int index;
-  final Size screenSize;
-  final Offset position;
-  final bool isHovered;
-  final void Function(int index, bool isHovered) onHoverChanged;
-  final void Function(int index, Offset newPosition) onButtonTap;
-  final Widget Function(int index) buildSpaceContainer;
-  final ValueChanged<Offset> onPositionChanged;
-
-  const SpaceCardWidget({
-    super.key,
-    required this.index,
-    required this.onPositionChanged,
-    required this.screenSize,
-    required this.position,
-    required this.isHovered,
-    required this.onHoverChanged,
-    required this.onButtonTap,
-    required this.buildSpaceContainer,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    return MouseRegion(
-      onEnter: (_) => onHoverChanged(index, true),
-      onExit: (_) => onHoverChanged(index, false),
-      child: SizedBox(
-        width: 150,
-        height: 90,
-        child: Stack(
-          clipBehavior: Clip.none,
-          alignment: Alignment.center,
-          children: [
-            buildSpaceContainer(index),
-
-            if (isHovered)
-              Positioned(
-                bottom: 0,
-                child: PlusButtonWidget(
-                  index: index,
-                  direction: 'down',
-                  offset: Offset.zero,
-                  onButtonTap: onButtonTap,
-                ),
-              ),
-            if (isHovered)
-              Positioned(
-                right: -15,
-                child: PlusButtonWidget(
-                  index: index,
-                  direction: 'right',
-                  offset: Offset.zero,
-                  onButtonTap: onButtonTap,
-                ),
-              ),
-          ],
-        ),
-      ),
-    );
-  }
-}

lib/pages/space_management_v2/main_module/widgets/space_cell.dart

@@ -1,88 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_svg/svg.dart';
-import 'package:syncrow_web/utils/color_manager.dart';
-
-class SpaceCell extends StatelessWidget {
-  final int index;
-  final String icon;
-  final String name;
-  final VoidCallback? onDoubleTap;
-  final VoidCallback? onTap;
-
-  const SpaceCell({
-    super.key,
-    required this.index,
-    required this.icon,
-    required this.name,
-    this.onTap,
-    this.onDoubleTap,
-  });
-
-  @override
-  Widget build(BuildContext context) {
-    final theme = Theme.of(context);
-
-    return GestureDetector(
-      onDoubleTap: onDoubleTap,
-      onTap: onTap,
-      child: Container(
-        width: 150,
-        height: 70,
-        decoration: _containerDecoration(),
-        child: Row(
-          children: [
-            _buildIconContainer(),
-            const SizedBox(width: 10),
-            Expanded(
-              child: Text(
-                name,
-                style: theme.textTheme.bodyLarge?.copyWith(
-                  fontWeight: FontWeight.bold,
-                  color: ColorsManager.blackColor,
-                ),
-                overflow: TextOverflow.ellipsis,
-              ),
-            ),
-          ],
-        ),
-      ),
-    );
-  }
-
-  Widget _buildIconContainer() {
-    return Container(
-      width: 40,
-      height: double.infinity,
-      decoration: const BoxDecoration(
-        color: ColorsManager.spaceColor,
-        borderRadius: BorderRadius.only(
-          topLeft: Radius.circular(15),
-          bottomLeft: Radius.circular(15),
-        ),
-      ),
-      child: Center(
-        child: SvgPicture.asset(
-          icon,
-          color: ColorsManager.whiteColors,
-          width: 24,
-          height: 24,
-        ),
-      ),
-    );
-  }
-
-  BoxDecoration _containerDecoration() {
-    return BoxDecoration(
-      color: ColorsManager.whiteColors,
-      borderRadius: BorderRadius.circular(15),
-      boxShadow: [
-        BoxShadow(
-          color: ColorsManager.lightGrayColor.withValues(alpha: 0.5),
-          spreadRadius: 2,
-          blurRadius: 5,
-          offset: const Offset(0, 3),
-        ),
-      ],
-    );
-  }
-}

lib/pages/space_management_v2/main_module/widgets/space_management_body.dart

@@ -1,8 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/widgets/space_management_community_structure.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/widgets/space_management_templates_view.dart';
-import 'package:syncrow_web/pages/space_management_v2/modules/communities/presentation/communities_tree_selection_bloc/communities_tree_selection_bloc.dart';
 import 'package:syncrow_web/pages/space_management_v2/modules/communities/presentation/widgets/space_management_communities_tree.dart';
 
 class SpaceManagementBody extends StatelessWidget {
@@ -10,21 +6,9 @@ class SpaceManagementBody extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return Row(
+    return const Row(
       children: [
-        const SpaceManagementCommunitiesTree(),
+        SpaceManagementCommunitiesTree(),
-        Expanded(
-          child: BlocBuilder<CommunitiesTreeSelectionBloc,
-              CommunitiesTreeSelectionState>(
-            buildWhen: (previous, current) =>
-                previous.selectedCommunity != current.selectedCommunity,
-            builder: (context, state) => Visibility(
-              visible: state.selectedCommunity == null,
-              replacement: const SpaceManagementCommunityStructure(),
-              child: const SpaceManagementTemplatesView(),
-            ),
-          ),
-        ),
       ],
     );
   }

lib/pages/space_management_v2/main_module/widgets/space_management_community_structure.dart

@@ -1,22 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/widgets/community_structure_canvas.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/widgets/create_space_button.dart';
-import 'package:syncrow_web/pages/space_management_v2/modules/communities/presentation/communities_tree_selection_bloc/communities_tree_selection_bloc.dart';
-
-class SpaceManagementCommunityStructure extends StatelessWidget {
-  const SpaceManagementCommunityStructure({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    final selectedCommunity =
-        context.watch<CommunitiesTreeSelectionBloc>().state.selectedCommunity!;
-    const spacer = Spacer(flex: 10);
-    return Visibility(
-      visible: selectedCommunity.spaces.isNotEmpty,
-      replacement: const Row(
-          children: [spacer, Expanded(child: CreateSpaceButton()), spacer]),
-      child: CommunityStructureCanvas(community: selectedCommunity),
-    );
-  }
-}

lib/pages/space_management_v2/main_module/widgets/space_management_templates_view.dart

@@ -1,52 +0,0 @@
-import 'package:flutter/material.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/shared/helpers/space_management_community_dialog_helper.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/widgets/community_template_cell.dart';
-import 'package:syncrow_web/utils/color_manager.dart';
-
-class SpaceManagementTemplatesView extends StatelessWidget {
-  const SpaceManagementTemplatesView({super.key});
-  @override
-  Widget build(BuildContext context) {
-    return Expanded(
-      child: ColoredBox(
-        color: ColorsManager.whiteColors,
-        child: GridView.builder(
-          padding: const EdgeInsets.symmetric(horizontal: 40, vertical: 20),
-          gridDelegate: const SliverGridDelegateWithMaxCrossAxisExtent(
-            maxCrossAxisExtent: 400,
-            mainAxisSpacing: 10,
-            crossAxisSpacing: 10,
-            childAspectRatio: 2.0,
-          ),
-          itemCount: _gridItems(context).length,
-          itemBuilder: (context, index) {
-            final model = _gridItems(context)[index];
-            return CommunityTemplateCell(
-              onTap: model.onTap,
-              title: model.title,
-            );
-          },
-        ),
-      ),
-    );
-  }
-
-  List<_CommunityTemplateModel> _gridItems(BuildContext context) {
-    return [
-      _CommunityTemplateModel(
-        title: const Text('Blank'),
-        onTap: () => SpaceManagementCommunityDialogHelper.showCreateDialog(context),
-      ),
-    ];
-  }
-}
-
-class _CommunityTemplateModel {
-  final Widget title;
-  final void Function() onTap;
-
-  _CommunityTemplateModel({
-    required this.title,
-    required this.onTap,
-  });
-}

lib/pages/space_management_v2/modules/communities/presentation/communities_tree_selection_bloc/communities_tree_selection_bloc.dart

@@ -32,7 +32,7 @@ class CommunitiesTreeSelectionBloc
   ) {
     emit(
       CommunitiesTreeSelectionState(
-        selectedCommunity: event.community,
+        selectedCommunity: null,
         selectedSpace: event.space,
       ),
     );

lib/pages/space_management_v2/modules/communities/presentation/communities_tree_selection_bloc/communities_tree_selection_event.dart

@@ -8,7 +8,7 @@ sealed class CommunitiesTreeSelectionEvent extends Equatable {
 }
 
 final class SelectCommunityEvent extends CommunitiesTreeSelectionEvent {
-  final CommunityModel community;
+  final CommunityModel? community;
 
   const SelectCommunityEvent({required this.community});
   @override
@@ -16,10 +16,9 @@ final class SelectCommunityEvent extends CommunitiesTreeSelectionEvent {
 }
 
 final class SelectSpaceEvent extends CommunitiesTreeSelectionEvent {
-  final SpaceModel space;
+  final SpaceModel? space;
-  final CommunityModel community;
 
-  const SelectSpaceEvent({required this.space, required this.community});
+  const SelectSpaceEvent({required this.space});
 
   @override
   List<Object?> get props => [space];

lib/pages/space_management_v2/modules/communities/presentation/widgets/space_management_communities_tree_space_tile.dart

@@ -30,7 +30,7 @@ class SpaceManagementCommunitiesTreeSpaceTile extends StatelessWidget {
         initiallyExpanded: spaceIsExpanded,
         onExpansionChanged: (expanded) {},
         onItemSelected: () => context.read<CommunitiesTreeSelectionBloc>().add(
-              SelectSpaceEvent(community: community, space: space),
+              SelectSpaceEvent(space: space),
             ),
         children: space.children
             .map(

lib/pages/space_management_v2/modules/communities/presentation/widgets/space_management_sidebar_header.dart

@@ -1,8 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:syncrow_web/pages/space_management_v2/main_module/shared/helpers/space_management_community_dialog_helper.dart';
+import 'package:syncrow_web/pages/space_management_v2/modules/communities/presentation/bloc/communities_bloc.dart';
 import 'package:syncrow_web/pages/space_management_v2/modules/communities/presentation/communities_tree_selection_bloc/communities_tree_selection_bloc.dart';
 import 'package:syncrow_web/pages/space_management_v2/modules/communities/presentation/widgets/space_management_sidebar_add_community_button.dart';
+import 'package:syncrow_web/pages/space_management_v2/modules/create_community/presentation/create_community_dialog.dart';
 import 'package:syncrow_web/utils/color_manager.dart';
 import 'package:syncrow_web/utils/extension/build_context_x.dart';
 import 'package:syncrow_web/utils/style.dart';
@@ -40,7 +41,7 @@ class SpaceManagementSidebarHeader extends StatelessWidget {
     if (isSelected) {
       _clearSelection(context);
     } else {
-      SpaceManagementCommunityDialogHelper.showCreateDialog(context);
+      _showCreateCommunityDialog(context);
     }
   }
 
@@ -49,4 +50,19 @@ class SpaceManagementSidebarHeader extends StatelessWidget {
           const ClearCommunitiesTreeSelectionEvent(),
         );
   }
+
+  void _showCreateCommunityDialog(BuildContext context) => showDialog<void>(
+        context: context,
+        builder: (_) => CreateCommunityDialog(
+          title: const Text('Community Name'),
+          onCreateCommunity: (community) {
+            context.read<CommunitiesBloc>().add(
+                  InsertCommunity(community),
+                );
+            context.read<CommunitiesTreeSelectionBloc>().add(
+                  SelectCommunityEvent(community: community),
+                );
+          },
+        ),
+      );
 }

lib/pages/space_management_v2/modules/create_community/data/services/remote_create_community_service.dart

@@ -53,7 +53,7 @@ class RemoteCreateCommunityService implements CreateCommunityService {
       return _defaultErrorMessage;
     }
     final error = body['error'] as Map<String, dynamic>?;
-    final errorMessage = error?['message'] as String? ?? '';
+    final errorMessage = error?['error'] as String? ?? '';
     return errorMessage;
   }
 

lib/pages/space_management_v2/modules/create_community/presentation/create_community_dialog.dart

@@ -41,8 +41,11 @@ class CreateCommunityDialog extends StatelessWidget {
               );
               onCreateCommunity.call(community);
               break;
-            case CreateCommunityFailure():
+            case CreateCommunityFailure(:final message):
               Navigator.of(context).pop();
+              ScaffoldMessenger.of(context).showSnackBar(
+                SnackBar(content: Text(message)),
+              );
               break;
             default:
               break;