oc-front/lib/pages/workflow.dart

import 'package:flutter/material.dart';
import 'package:flutter_flow_chart/flutter_flow_chart.dart';
import 'package:go_router/go_router.dart';
import 'package:oc_front/core/models/workspace_local.dart';
import 'package:oc_front/core/sections/header/header.dart';
import 'package:oc_front/core/services/specialized_services/workflow_service.dart';
import 'package:oc_front/models/response.dart';
import 'package:oc_front/models/search.dart';
import 'package:oc_front/models/workflow.dart';
import 'package:oc_front/pages/abstract_page.dart';
import 'package:oc_front/widgets/dialog/new_box.dart';
import 'package:oc_front/widgets/forms/proxy_forms.dart';
import 'package:oc_front/widgets/forms/scheduler_forms.dart';
import 'package:oc_front/widgets/items/item_row.dart';
import 'package:oc_front/widgets/menu_clipper/workspace_menu.dart';

Dashboard dash = Dashboard(
  name: "workflow_${DateTime.now().toString().replaceAll(" ", "_").substring(0, DateTime.now().toString().length - 7)}");
class WorkflowFactory implements AbstractFactory {
  static GlobalKey<WorkflowPageWidgetState> key = GlobalKey<WorkflowPageWidgetState>();
  @override bool searchFill() { return false; }
  @override Widget factory(GoRouterState state, List<String> args) { return WorkflowPageWidget(); }
  @override void search(BuildContext context) { }
}
bool getAll = true;

class WorkflowPageWidget extends StatefulWidget {
  WorkflowPageWidget () : super(key: WorkflowFactory.key);
  @override WorkflowPageWidgetState createState() => WorkflowPageWidgetState();
  static void search(BuildContext context) { }
  static Widget factory() { return WorkflowPageWidget(); }
}
class WorkflowPageWidgetState extends State<WorkflowPageWidget> {
final WorflowService _service = WorflowService();
  Widget itemBuild(Object item) {
    var e = item as AbstractItem;
    return Tooltip( message: item.name ?? "",
      child:  e.logo != null ? Image.network(e.logo ?? "", fit: BoxFit.fill) 
        : Image.network('https://get-picto.com/wp-content/uploads/2024/01/logo-instagram-png.webp', 
      fit: BoxFit.fill));
  }
  Widget itemTooltipBuild(Object item) {
    var e = item as AbstractItem;
    return Container(color: Colors.white, child: ItemRowWidget(low: true, contextWidth: 300, item: e));
  }
  List<DropdownMenuItem> getItems(Object? data) {
    data = data as APIResponse<RawData>?;
    if (data != null && data.data != null && data.data!.values.isNotEmpty) {
      return data.data!.values.map((dynamic value) {
                            return DropdownMenuItem<String>(
                              value: "${value["id"] ?? ""}~${value["name"] ?? ""}",
                              child: Text(value["name"]?.toString() ?? ""),
                            );
                          }).toList();
    }
    return [];
  }
  List<Widget> getForms(FlowData? obj) {
    return obj == null ? [] : [
      ProxyFormsWidget(item: obj as AbstractItem),
    ];
  }

  List<Widget> getDashInfoForms() {
    return [
      SchedulerFormsWidget(item: dash),
    ];
  }

  Future<void> loadDash(String selected) async {
    if (selected.split("~").length > 1) {
      dash.name = selected.split("~")[1];
      dash.id = selected.split("~")[0];
    } else {
      dash.name = selected;
    }
    await _service.get(context, dash.id ?? "").then((value) {
      if (value.data != null) {
        dash.deserialize(value.data!.toDashboard());
      }
    });
  }

  Future<void> saveDash(String? id) async {
    if (id == null || !dash.isOpened) { return; }
    var datas = WorkspaceLocal.byTopic("data", true).where(
        (element) => dash.elements.map( (e) => e.element?.getID()).contains(element.id) );
    var dataCenter = WorkspaceLocal.byTopic("datacenter", true).where(
        (element) => dash.elements.map( (e) => e.element?.getID()).contains(element.id) );
    var storage = WorkspaceLocal.byTopic("storage", true).where(
        (element) => dash.elements.map( (e) => e.element?.getID()).contains(element.id) );
    var computing = WorkspaceLocal.byTopic("processing", true).where(
        (element) => dash.elements.map( (e) => e.element?.getID()).contains(element.id) );
    var workflows = WorkspaceLocal.byTopic("workflows", true).where(
        (element) => dash.elements.map( (e) => e.element?.getID()).contains(element.id) );
    var updateW = Workflow(
      name: dash.name,
      graph: Graph(),
      data: datas.map((e) => e.id).toSet().toList(),
      datacenter: dataCenter.map((e) => e.id).toSet().toList(),
      storage: storage.map((e) => e.id).toSet().toList(),
      processing: computing.map((e) => e.id).toSet().toList(),
      workflows: workflows.map((e) => e.id).toSet().toList(),
    );
    updateW.fromDashboard(dash.serialize());
    for (var item in (updateW.graph?.items.values ?? [] as List<GraphItem>)) {
      if (item.position == null) { continue; }
      item.position?.x = (item.position?.x ?? 0) + 52.5;
      item.position?.y = (item.position?.y ?? 0) + 52.5;
    }
    updateW.graph?.zoom = dash.getZoomFactor();
    await _service.put(context, id, updateW.serialize(), {});  
  }

  FlowData? transformToData(Map<String, dynamic> data) {
    var d = WorkspaceLocal.getItem(data["id"] ?? "", true);
    if (d == null) { return null; }
    d.model = ResourceModel().deserialize(data["resource_model"]);
    if (d.topic == "data") { return d as DataItem; }
    if (d.topic == "datacenter") { return d as DataCenterItem; }
    if (d.topic == "storage") { return d as StorageItem; }
    if (d.topic == "processing") { return d as ProcessingItem; }
    if (d.topic == "workflows") { return d as WorkflowItem; }
    return null;
  }


  Widget menuExtension() {
    var quart = MediaQuery.of(context).size.width / 6;
    return MenuWorkspaceWidget(simpliest: true, width: quart > 80 ? quart : 80,
        onWorkspaceChange: () { 
          dash.selectedLeftMenuKey.currentState?.setState(() { }); 
        });
  }

  Widget onDashboardAlertOpened(BuildContext context, Dashboard dash) {
    return NewBoxWidget<Workflow>(service: _service, dash: dash, 
        getItems: getItems);
  }
  @override Widget build(BuildContext context) {
    dash.load = loadDash;
    dash.save = saveDash;
    dash.transformToData = transformToData;
    dash.infoItemWidget = getForms;
    dash.infoWidget = getDashInfoForms;
    var quart = MediaQuery.of(context).size.width / 6;
    dash.defaultName = "workflow_${DateTime.now().toString().replaceAll(" ", "_").substring(0, DateTime.now().toString().length - 7)}";
    return FlowChart<AbstractItem>(
                onDashboardAlertOpened: onDashboardAlertOpened,
                dashboard: dash,
                itemWidget: itemBuild,
                categories: const ["processing", "data", "datacenter", "storage", "workflows"],
                draggableItemBuilder: (cat) => WorkspaceLocal.byTopic(cat, false),
                itemWidgetTooltip: itemTooltipBuild,
                innerMenuWidth: quart > 80 ? quart : 80,
                menuExtension: menuExtension,
                width: MediaQuery.of(context).size.width,
                height: MediaQuery.of(context).size.height - HeaderConstants.height,
                onNewConnection: (p1, p2) { },
                onDashboardTapped: (context, position) { },
                onScaleUpdate: (newScale) { },
                onDashboardSecondaryTapped: (context, position) { },
                onDashboardLongTapped: (context, position) { },
                onDashboardSecondaryLongTapped: (context, position) { },
                onElementLongPressed: (context, position, element) { },
                onElementSecondaryLongTapped: (context, position, element) { },
                onElementPressed: (context, position, element) {  },
                onElementSecondaryTapped: (context, position, element) { },
                onHandlerPressed: (context, position, handler, element) { },
                onHandlerLongPressed: (context, position, handler, element) { },
                onPivotSecondaryPressed: (context, pivot) { },
      );
  }
}