oc-front/lib/models/search.dart

import 'dart:async';
import 'dart:ui' as ui;
import 'package:flutter/material.dart';
import 'package:flutter_flow_chart/flutter_flow_chart.dart';
import 'package:oc_front/models/abstract.dart';

const List<ProcessingItem> _emptyComputing = [];
const List<DataItem> _emptyData = [];
const List<ComputeItem> _emptyCompute = [];
const List<StorageItem> _emptyStorage = [];
class Search extends SerializerDeserializer<Search> {
  Search({
    this.computing = _emptyComputing,
    this.compute = _emptyCompute,
    this.data = _emptyData,
    this.storage = _emptyStorage,
  });
  List<ProcessingItem> computing;
  List<ComputeItem> compute;
  List<DataItem> data;
  List<StorageItem> storage;
  @override deserialize(dynamic json) {
    json = json as Map<String, dynamic>;
    return Search(
      computing: json.containsKey("processing") ? fromListJson(json["processing"], ProcessingItem()) : [],
      compute: json.containsKey("compute") ? fromListJson(json["compute"], ComputeItem()) : [],
      data: json.containsKey("data") ? fromListJson(json["data"], DataItem()) : [],
      storage: json.containsKey("storage") ? fromListJson(json["storage"], StorageItem()) : [],
    );
  }
  @override Map<String, dynamic> serialize() => {
    "processing": toListJson<ProcessingItem>(computing),
    "compute": toListJson<ComputeItem>(compute),
    "data": toListJson<DataItem>(data),
    "storage": toListJson<StorageItem>(storage),
  };
}
const List<String> _empty = [];

class Resource implements SerializerDeserializer<Resource> {
  List<DataItem> datas = [];
  List<ProcessingItem> processings = [];
  List<StorageItem> storages = [];
  List<ComputeItem> computes = [];
  List<WorkflowItem> workflows = [];

  Resource({
    this.datas = const [],
    this.processings = const [],
    this.storages = const [],
    this.computes = const [],
    this.workflows = const [],
  });

  @override Resource deserialize(json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return Resource(); }
    return Resource(
      computes: json.containsKey("compute_resource") ? fromListJson(json["compute_resource"], ComputeItem()) : [],
      datas: json.containsKey("data_resource") ? fromListJson(json["data_resource"], DataItem()) : [],
      processings: json.containsKey("processing_resource") ? fromListJson(json["processing_resource"], ProcessingItem()) : [],
      storages: json.containsKey("storage_resource") ? fromListJson(json["storage_resource"], StorageItem()) : [],
      workflows: json.containsKey("workflow_resource") ? fromListJson(json["workflow_resource"], WorkflowItem()) : [],
    );
  }

  @override Map<String, dynamic> serialize() {
    return {
      "compute_resource": toListJson<ComputeItem>(computes),
      "data_resource": toListJson<DataItem>(datas),
      "processing_resource": toListJson<ProcessingItem>(processings),
      "storage_resource": toListJson<StorageItem>(storages),
      "workflow_resource": toListJson<WorkflowItem>(workflows),
    };
  }
}

abstract class AbstractItem<T extends FlowData> extends FlowData implements SerializerDeserializer<T> {
  String? id;
  String? name;
  String? logo;
  String? owner;
  String? ownerLogo;
  String? source;
  String? description;
  String? shortDescription;
  double? price;
  String? licence;
  List<dynamic> inputs = [];
  List<dynamic> outputs = [];
  ResourceModel? model;
  String topic = "";

  AbstractItem({
    this.id,
    this.name,
    this.logo,
    this.owner,
    this.ownerLogo,
    this.price,
    this.source,
    this.licence,
    this.description,
    this.model,
    this.shortDescription,
    this.inputs = const [],
    this.outputs = const [],
  });

  @override String getID() {
    return id ?? "";
  }

  @override String getName() {
    return name ?? "";
  }
}

class Model extends SerializerDeserializer<Model> {
  dynamic value;
  String? type;
  bool readonly = false;

  Model({
    this.value,
    this.type,
    this.readonly = false,
  });

   @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return Model(); }
    return Model(
      value: json.containsKey("value") ? json["value"] : null,
      type: json.containsKey("type") ? json["type"] : null,
      readonly: json.containsKey("readonly") ? json["readonly"] : false,
    );
  }
  @override Map<String, dynamic> serialize() => {
    "value": value,
    "type": type,
    "readonly": readonly,
  };
}

class ResourceModel extends SerializerDeserializer<ResourceModel> {
  String? id;
  String? type;
  Map<String, dynamic> refs;
  Map<String, Map<String,Model>>? model;

  ResourceModel({
    this.id,
    this.type,
    this.refs = const {},
    this.model,
  });

   @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return ResourceModel(); }
    var w = ResourceModel(
      id: json.containsKey("id") ? json["id"] : null,
      type: json.containsKey("type") ? json["type"] : null,
      refs: json.containsKey("var_refs") ? json["var_refs"] : {},
    );
    if (json.containsKey("model")) {
      w.model = {};
      for (var key in (json["model"] as Map<dynamic, dynamic>).keys) {
        w.model![key] = {};
        for (var k2 in (json["model"][key] as Map<dynamic, dynamic>).keys) {
          w.model![key]![k2] = Model().deserialize(json["model"][key][k2]);
        }
      }
    }
    return w;
  }
  @override Map<String, dynamic> serialize() {
    Map<String, dynamic>  t = {
      "id": id,
      "type": type,
      "var_refs": refs,
    };
    t["model"] = {};
    if (model != null) {
      for (var key in model!.keys) {
        t["model"][key] = {};
        for (var k2 in model![key]!.keys) {
          t["model"][key]![k2] = model![key]![k2]!.serialize();
        }
      }
    }
    
    return t;
  }
}

Type? getTopicType(String topic) {
  if (topic == "processing") { return ProcessingItem; }
  else if (topic == "data") { return DataItem; }
  else if (topic == "compute") { return ComputeItem; }
  else if (topic == "storage") { return StorageItem; }
  else if (topic == "workflow") { return WorkflowItem; }
  else { return null; }
}

String getTopic(Type type) {
  if (type == AbstractItem) { return "resource"; }
  if (type == ProcessingItem) { return "processing"; }
  if (type == DataItem) { return "data"; }
  if (type == ComputeItem) { return "compute"; }
  if (type == StorageItem) { return "storage"; }
  if (type == WorkflowItem) { return "workflow"; }
  return "";
}

bool isComputing(String topic) => topic == "processing";
bool isData(String topic) => topic == "data";
bool isCompute(String topic) => topic == "compute";
bool isStorage(String topic) => topic == "storage";
bool isWorkflow(String topic) => topic == "workflow";

class Expose extends SerializerDeserializer<Expose> {
  Expose({
    this.PAT,
    this.port,
    this.path,
  });
  
  int? port;
  int? PAT;
  String? path;

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return Expose(); }
    return Expose(
      port: json.containsKey("port") ? json["port"] : null,
      PAT: json.containsKey("PAT") ? json["PAT"] : null,
      path: json.containsKey("reverse") ? json["reverse"] : null,
    );
  }

  @override Map<String, dynamic> serialize() => {
    "port": port,
    "PAT": PAT,
    "reverse": path,
  };
}

class Containered extends SerializerDeserializer<Containered> {
  Containered({
    this.image,
    this.args,
    this.command,
    this.env,
    this.volumes,
  }); 

  String? args;
  String? image;
  String? command;
  Map<String, dynamic>? env;
  Map<String, dynamic>? volumes;

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return Containered(); }
    return Containered(
      args: json.containsKey("args") ? json["args"] : null,
      image: json.containsKey("image") ? json["image"] : null,
      command: json.containsKey("command") ? json["command"] : null,
      env: json.containsKey("env") ? json["env"] : null,
      volumes: json.containsKey("volumes") ? json["volumes"] : null,
    );
  }

  @override Map<String, dynamic> serialize() {
    var w = {
      "args": args,
      "image": image,
      "command": command,
      "env": env,
      "volumes": volumes,
    };
    return w;
  }
}

class ProcessingItem extends SerializerDeserializer<ProcessingItem> implements AbstractItem<ProcessingItem> {
  ProcessingItem({
    this.id,
    this.name,
    this.logo,
    this.owner,
    this.ownerLogo,
    this.price,
    this.source,
    this.licence,
    this.description,
    this.shortDescription,
    this.inputs = _empty,
    this.outputs = _empty,

    this.cpus = const [],
    this.gpus = const [],
    this.ram,
    this.storage,
    this.parrallel = false,
    this.scallingModel,
    this.diskIO,
    
    this.expose = const [],
    this.container,
    this.model,
  });
  @override ResourceModel? model;
  @override String? id;
  @override String? name;
  @override String? logo;
  @override String? source;
  @override String? ownerLogo;
  @override String? owner;
  @override String topic = "processing";
  @override double? price;
  @override String? licence;
  @override List<dynamic> inputs;
  @override List<dynamic> outputs;
  @override String? description;
  @override String? shortDescription;

  Containered? container;
  List<Expose> expose = [];
  // Special Attributes
  List<CPU> cpus = [];
  List<GPU> gpus = [];
  RAM? ram;
  int? storage;
  bool parrallel = false;
  int? scallingModel;
  String? diskIO;

  @override String getID() {
    return id ?? "";
  }

  @override String getName() {
    return name ?? "";
  }
  double? width;
  double? height;
  @override
  double? getWidth() {
    return width;
  }
  @override
  double? getHeight() {
    return height;
  }
  @override
  Map<String, dynamic> setVariable(List<String> keys, dynamic value, Map<String, dynamic> map) {
    if (keys.isEmpty) { return map; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      map[key] = setVariable(keys.sublist(1), value, map[key]);
    } else {
      map[key] = value;
    }
    return map;
  }
  @override
  dynamic getVariable(List<String> keys, Map<String, dynamic> map) {
    if (keys.isEmpty) { return null; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      return getVariable(keys.sublist(1), map[key]);
    }
    return map[key];
  }

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return ProcessingItem(); }
    var w = ProcessingItem(
      id: json.containsKey("id") ? json["id"] : null,
      name: json.containsKey("name") ? json["name"] : null,
      logo: json.containsKey("logo") ? json["logo"] : null,
      owner: json.containsKey("owner") ? json["owner"] : null,
      ownerLogo: json.containsKey("owner_logo") ? json["owner_logo"] : null,
      price: json.containsKey("price") ? json["price"]?.toDouble() : null,
      licence: json.containsKey("licence") ? json["licence"] : null,
      description: json.containsKey("description") ? json["description"] : null,
      shortDescription: json.containsKey("short_description") ? json["short_description"] : null,
      inputs: json["inputs"] ?? [],
      outputs: json["outputs"] ?? [],
      source: json.containsKey("source") ? json["source"] : null,
      
      expose: json.containsKey("expose") ? fromListJson(json["expose"], Expose()) : [],
      container: json.containsKey("container") ? Containered().deserialize(json["container"]) : null,
      model: json.containsKey("resource_model") ? ResourceModel().deserialize(json["resource_model"]) : null,
      cpus: json.containsKey("cpus") ? fromListJson(json["cpus"], CPU()) : [],
      gpus: json.containsKey("gpus") ? fromListJson(json["gpus"], GPU()) : [],
      ram: json.containsKey("ram") ? RAM().deserialize(json["ram"]) : null,
      storage: json.containsKey("storage") ? json["storage"] : null,
      parrallel: json.containsKey("parrallel") ? json["parrallel"] : false,
      scallingModel: json.containsKey("scalling_model") ? json["scalling_model"] : null,
      diskIO: json.containsKey("disk_io") ? json["disk_io"] : null,
    );
    if (w.logo != null) {
      var image = Image.network(w.logo!);
      image.image
        .resolve(const ImageConfiguration())
        .addListener(
            ImageStreamListener(
                (ImageInfo info, bool _) {
                  w.width = info.image.width.toDouble();
                  w.height = info.image.height.toDouble();
                }));
    }
    return w;
  }
  @override Map<String, dynamic> serialize() { 
    return {
    "id": id,
    "name": name,
    "logo": logo,
    "owner": owner,
    "owner_logo": ownerLogo,
    "price": price,
    "licence": licence,
    "description": description,
    "short_description": shortDescription,
    "inputs": inputs,
    "outputs": outputs,
    "source": source,
    "resource_model": model?.serialize(),
    "cpus": toListJson<CPU>(cpus),
    "gpus": toListJson<GPU>(gpus),
    "ram": ram?.serialize(),
    "storage": storage,
    "parrallel": parrallel,
    "scalling_model": scallingModel,
    "disk_io": diskIO,
    ""
    "expose": toListJson<Expose>(expose),
    "container": container?.serialize(),
  }; }
}

class WorkflowItem extends SerializerDeserializer<WorkflowItem> implements AbstractItem<WorkflowItem> {
  WorkflowItem({
    this.id,
    this.name,
    this.logo,
    this.owner,
    this.ownerLogo,
    this.price,
    this.source,
    this.licence,
    this.description,
    this.shortDescription,
    this.inputs = _empty,
    this.outputs = _empty,
    this.model,
    this.workflowID,
  });
  @override ResourceModel? model;
  @override String? id;
  @override String? name;
  @override String? logo;
  @override String? source;
  @override String? ownerLogo;
  @override String? owner;
  @override String topic = "workflow";
  @override double? price;
  @override String? licence;
  @override List<dynamic> inputs;
  @override List<dynamic> outputs;
  @override String? description;
  @override String? shortDescription;

  String? workflowID;
  @override String getID() {
    return id ?? "";
  }

  double? width;
  double? height;
  @override
  double? getWidth() {
    return width;
  }
  @override
  double? getHeight() {
    return height;
  }

  @override String getName() {
    return name ?? "";
  }
  @override
  Map<String, dynamic> setVariable(List<String> keys, dynamic value, Map<String, dynamic> map) {
    if (keys.isEmpty) { return map; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      map[key] = setVariable(keys.sublist(1), value, map[key]);
    } else {
      map[key] = value;
    }
    return map;
  }
  @override
  dynamic getVariable(List<String> keys, Map<String, dynamic> map) {
    if (keys.isEmpty) { return null; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      return getVariable(keys.sublist(1), map[key]);
    }
    return map[key];
  }

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return WorkflowItem(); }
    var w =  WorkflowItem(
      id: json.containsKey("id") ? json["id"] : null,
      name: json.containsKey("name") ? json["name"] : null,
      logo: json.containsKey("logo") ? json["logo"] : null,
      owner: json.containsKey("owner") ? json["owner"] : null,
      ownerLogo: json.containsKey("owner_logo") ? json["owner_logo"] : null,
      price: json.containsKey("price") ? json["price"]?.toDouble() : null,
      licence: json.containsKey("licence") ? json["licence"] : null,
      description: json.containsKey("description") ? json["description"] : null,
      shortDescription: json.containsKey("short_description") ? json["short_description"] : null,
      inputs: json["inputs"] ?? [],
      outputs: json["outputs"] ?? [],
      source: json.containsKey("source") ? json["source"] : null,
      model: json.containsKey("resource_model") ? ResourceModel().deserialize(json["resource_model"]) : null,
      workflowID: json.containsKey("workflow_id") ? json["workflow_id"] : null,
    );
    if (w.logo != null) {
      //
      var image = Image.network(w.logo!);
      image.image
        .resolve(const ImageConfiguration())
        .addListener(
            ImageStreamListener(
                (ImageInfo info, bool _) {
                  w.width = info.image.width.toDouble();
                  w.height = info.image.height.toDouble();
                }));
    }
    return w;
  }
  @override Map<String, dynamic> serialize() => {
    "id": id,
    "name": name,
    "logo": logo,
    "owner": owner,
    "owner_logo": ownerLogo,
    "price": price,
    "licence": licence,
    "description": description,
    "short_description": shortDescription,
    "inputs": inputs,
    "outputs": outputs,
    "source": source,
    "resource_model": model?.serialize(),
    "workflow_id": workflowID,
  };
}

class DataItem extends SerializerDeserializer<DataItem> implements AbstractItem<DataItem> {
  DataItem({
    this.id,
    this.name,
    this.logo,
    this.owner,
    this.ownerLogo,
    this.price,
    this.source,
    this.licence,
    this.description,
    this.shortDescription,
    this.inputs = _empty,
    this.outputs = _empty,
    this.model,
    this.protocol,
    this.path,
    this.protocols = const [],
    this.type,
    this.exemple,
  });
  @override String? id;
  @override String? name;
  @override String? logo;
  @override String? source;
  @override String? ownerLogo;
  @override String? owner;
  @override String topic = "data";
  @override double? price;
  @override String? licence;
  @override List<dynamic> inputs;
  @override List<dynamic> outputs;
  @override String? description;
  @override String? shortDescription;
  @override ResourceModel? model;
  // Special Attributes
  List<String> protocols = [];
  String? type;
  String? protocol;
  String? path;
  String? exemple;
  @override String getName() {
    return name ?? "";
  }
  @override String getID() {
    return id ?? "";
  }

  double? width;
  double? height;
  @override
  double? getWidth() {
    return width;
  }
  @override
  double? getHeight() {
    return height;
  }

  @override
  Map<String, dynamic> setVariable(List<String> keys, dynamic value, Map<String, dynamic> map) {
    if (keys.isEmpty) { return map; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      map[key] = setVariable(keys.sublist(1), value, map[key]);
    } else {
      map[key] = value;
    }
    return map;
  }
  @override
  dynamic getVariable(List<String> keys, Map<String, dynamic> map) {
    if (keys.isEmpty) { return null; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      return getVariable(keys.sublist(1), map[key]);
    }
    return map[key];
  }

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return DataItem(); }
    var w = DataItem(
      id: json.containsKey("id") ? json["id"] : null,
      name: json.containsKey("name") ? json["name"] : null,
      logo: json.containsKey("logo") ? json["logo"] : null,
      owner: json.containsKey("owner") ? json["owner"] : null,
      ownerLogo: json.containsKey("owner_logo") ? json["owner_logo"] : null,
      price: json.containsKey("price") ? json["price"]?.toDouble() : null,
      licence: json.containsKey("licence") ? json["licence"] : null,
      description: json.containsKey("description") ? json["description"] : null,
      shortDescription: json.containsKey("short_description") ? json["short_description"] : null,
      inputs: json["inputs"] ?? [],
      outputs: json["outputs"] ?? [],
      source: json.containsKey("source") ? json["source"] : null,
      model: json.containsKey("resource_model") ? ResourceModel().deserialize(json["resource_model"]) : null,
      protocols: json.containsKey("protocols") ? json["protocols"] : [],
      type: json.containsKey("type") ? json["type"] : null,
      protocol: json.containsKey("protocol") ? json["protocol"] : null,
      path: json.containsKey("path") ? json["path"] : null,
      exemple: json.containsKey("exemple") ? json["exemple"] : null,
    );
    if (w.logo != null) {
      //
      var image = Image.network(w.logo!);
      image.image
        .resolve(const ImageConfiguration())
        .addListener(
            ImageStreamListener(
                (ImageInfo info, bool _) {
                  w.width = info.image.width.toDouble();
                  w.height = info.image.height.toDouble();
                }));
    }
    return w;
  }
  
  @override Map<String, dynamic> serialize() => {
    "id": id,
    "name": name,
    "logo": logo,
    "owner": owner,
    "owner_logo": ownerLogo,
    "price": price,
    "licence": licence,
    "description": description,
    "short_description": shortDescription,
    "inputs": inputs,
    "outputs": outputs,
    "source": source,
    "resource_model": model?.serialize(),
    "protocols": protocols,
    "type": type,
    "protocol": protocol,
    "path": path,
    "exemple": exemple,
  };
}

class ComputeItem extends SerializerDeserializer<ComputeItem> implements AbstractItem<ComputeItem> {
  ComputeItem({
    this.id,
    this.name,
    this.logo,
    this.owner,
    this.ownerLogo,
    this.price,
    this.source,
    this.licence,
    this.description,
    this.shortDescription,
    this.inputs = _empty,
    this.outputs = _empty,
    this.model,
    this.cpus = const [],
    this.gpus = const [],
    this.ram,
    this.technology,
    this.access,
    this.architecture,
    this.localisation,
    this.isService = false,
  });
  @override String? id;
  @override String? name;
  @override String? logo;
  @override String? source;
  @override String? ownerLogo;
  @override String? owner;
  @override String topic = "compute";
  @override double? price;
  @override String? licence;
  @override List<dynamic> inputs;
  @override List<dynamic> outputs;
  @override String? description;
  @override String? shortDescription;
  @override ResourceModel? model;
  bool isService = false;
  String? architecture;
  int? access;
  String? localisation;
  // Special Attributes 
  List<CPU> cpus = [];
  List<GPU> gpus = [];
  int? technology;
  RAM? ram;
  @override String getID() {
    return id ?? "";
  }
  @override String getName() {
    return name ?? "";
  }
  double? width;
  double? height;
  @override
  double? getWidth() {
    return width;
  }
  @override
  double? getHeight() {
    return height;
  }
  String getTechnology() {
    if (technology == 0) { return "docker"; }
    if (technology == 1) { return "kubernetes"; }
    if (technology == 2) { return "slurm"; }
    if (technology == 3) { return "hardware"; }
    if (technology == 4) { return "condor"; }
    return "";
  }
  String getAccess() {
    if (access == 0) { return "ssh"; }
    if (access == 1) { return "ssh kube api"; }
    if (access == 2) { return "ssh slurm"; }
    if (access == 3) { return "ssh docker"; }
    if (access == 4) { return "opencloud"; }
    if (access == 5) { return "vpn"; }
    return "";
  }

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return ComputeItem(); }  
    var w = ComputeItem(
      isService: json.containsKey("is_service") ? json["is_service"] : false,
      id: json.containsKey("id") ? json["id"] : null,
      name: json.containsKey("name") ? json["name"] : null,
      logo: json.containsKey("logo") ? json["logo"] : null,
      technology: json.containsKey("technology") ? json["technology"] : null,
      owner: json.containsKey("owner") ? json["owner"] : null,
      ownerLogo: json.containsKey("owner_logo") ? json["owner_logo"] : null,
      price: json.containsKey("price") ? json["price"]?.toDouble() : null,
      licence: json.containsKey("licence") ? json["licence"] : null,
      description: json.containsKey("description") ? json["description"] : null,
      shortDescription: json.containsKey("short_description") ? json["short_description"] : null,
      access: json.containsKey("access") ? json["access"] : null,
      architecture: json.containsKey("architecture") ? json["architecture"] : null,
      localisation: json.containsKey("localisation") ? json["localisation"] : null,
      inputs: json["inputs"] ?? [],
      outputs: json["outputs"] ?? [],
      source: json.containsKey("source") ? json["source"] : null,
      model: json.containsKey("resource_model") ? ResourceModel().deserialize(json["resource_model"]) : null,
      cpus: json.containsKey("cpus") ? fromListJson(json["cpus"], CPU()) : [],
      gpus: json.containsKey("gpus") ? fromListJson(json["gpus"], GPU()) : [],
      ram: json.containsKey("ram") ? RAM().deserialize(json["ram"]) : null,
    );
    if (w.logo != null) {
      //
      var image = Image.network(w.logo!);
      image.image
        .resolve(const ImageConfiguration())
        .addListener(
            ImageStreamListener(
                (ImageInfo info, bool _) {
                  w.width = info.image.width.toDouble();
                  w.height = info.image.height.toDouble();
                }));
    }
    return w;
  }

  @override
  Map<String, dynamic> setVariable(List<String> keys, dynamic value, Map<String, dynamic> map) {
    if (keys.isEmpty) { return map; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      map[key] = setVariable(keys.sublist(1), value, map[key]);
    } else {
      map[key] = value;
    }
    return map;
  }

  @override
  dynamic getVariable(List<String> keys, Map<String, dynamic> map) {
    if (keys.isEmpty) { return null; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      return getVariable(keys.sublist(1), map[key]);
    }
    return map[key];
  }

  @override Map<String, dynamic> serialize() => {
    "id": id,
    "name": name,
    "logo": logo,
    "owner": owner,
    "owner_logo": ownerLogo,
    "price": price,
    "is_service": isService,
    "licence": licence,
    "access": access,
    "architecture": architecture,
    "localisation": localisation,
    "description": description,
    "short_description": shortDescription,
    "inputs": inputs,
    "outputs": outputs,
    "source": source,
    "technology": technology,
    "resource_model": model?.serialize(),
    "cpus": toListJson<CPU>(cpus),
    "gpus": toListJson<GPU>(gpus),
    "ram": ram?.serialize(),
  };
}
class CPU extends SerializerDeserializer<CPU> {
  CPU({
    this.cores,
    this.platform,
    this.architecture,
    this.minimumMemory,
    this.shared = false,
  });
  double? cores;
  String? platform;
  bool shared = false;
  String? architecture;
  double? minimumMemory;

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return CPU(); }  
    return CPU(
      cores: json.containsKey("cores") ? json["cores"]?.toDouble() : null,
      platform: json.containsKey("platform") ? json["platform"] : null,
      architecture: json.containsKey("architecture") ? json["architecture"] : null,
      minimumMemory: json.containsKey("minimumMemory") ? json["minimumMemory"]?.toDouble() : null,
      shared: json.containsKey("shared") ? json["shared"] : false,
    );
  }
  @override Map<String, dynamic> serialize() => {
    "cores": cores,
    "platform": platform,
    "architecture": architecture,
    "minimumMemory": minimumMemory,
    "shared": shared,
  };
}
class GPU extends SerializerDeserializer<GPU> {
  GPU({
    this.cudaCores,
    this.memory,
    this.model,
    this.tensorCores,
  });
  double? cudaCores;
  double? memory;
  String? model;
  double? tensorCores;

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return GPU(); }  
    return GPU(
      cudaCores: json.containsKey("cuda_cores") ? json["cuda_cores"]?.toDouble() : null,
      memory: json.containsKey("memory") ? json["memory"]?.toDouble() : null,
      model: json.containsKey("model") ? json["model"] : null,
      tensorCores: json.containsKey("tensor_cores") ? json["tensor_cores"]?.toDouble() : null,
    );
  }
  @override Map<String, dynamic> serialize() => {
    "cuda_cores": cudaCores,
    "memory": memory,
    "model": model,
    "tensor_cores": tensorCores,
  };
}
class RAM extends SerializerDeserializer<RAM> {
  RAM({
    this.ecc = false,
    this.size,
  });
  bool ecc = false;
  double? size;

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return RAM(); }  
    return RAM(
      ecc: json.containsKey("ecc") ? json["ecc"] : false,
      size: json.containsKey("size") ? json["size"]?.toDouble() : null,
    );
  }
  @override Map<String, dynamic> serialize() => {
    "ecc": ecc,
    "size": size,
  };
}
class StorageItem extends SerializerDeserializer<StorageItem> implements AbstractItem<StorageItem> {
  StorageItem({
    this.id,
    this.name,
    this.logo,
    this.owner,
    this.ownerLogo,
    this.price,
    this.source,
    this.licence,
    this.description,
    this.shortDescription,
    this.inputs = _empty,
    this.outputs = _empty,
    this.acronym,
    this.type,
    this.size,
    this.path,
    this.protocol,
    this.encryption = false,
    this.redundancy,
    this.throughput,
    this.model,
    this.local = false,
  });  
  bool local = false;
  @override String? id;
  @override String? name;
  @override String? logo;
  @override String? source;
  @override String? ownerLogo;
  @override String? owner;
  @override String topic = "storage";
  @override double? price;
  @override String? licence;
  @override List<dynamic> inputs;
  @override List<dynamic> outputs;
  @override String? description;
  @override String? shortDescription;
  @override ResourceModel? model;
  // special attributes
  String? acronym;
  String? type;
  String? path;
  String? protocol;
  int? size;
  bool encryption = false;
  String? redundancy;
  String? throughput;
  @override String getName() {
    return name ?? "";
  }
  @override String getID() {
    return id ?? "";
  }
  double? width;
  double? height;
  @override
  double? getWidth() {
    return width;
  }
  @override
  double? getHeight() {
    return height;
  }

  @override
  dynamic getVariable(List<String> keys, Map<String, dynamic> map) {
    if (keys.isEmpty) { return null; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      return getVariable(keys.sublist(1), map[key]);
    }
    return map[key];
  }

  @override
  Map<String, dynamic> setVariable(List<String> keys, dynamic value, Map<String, dynamic> map) {
    if (keys.isEmpty) { return map; }
    var key = keys[0];
    if (keys.length > 1 && map[key] != null) {
      map[key] = setVariable(keys.sublist(1), value, map[key]);
    } else {
      map[key] = value;
    }
    return map;
  }

  @override deserialize(dynamic json) {
    try { json = json as Map<String, dynamic>;
    } catch (e) { return StorageItem(); }   
    var w = StorageItem(
      id: json.containsKey("id") ? json["id"] : null,
      name: json.containsKey("name") ? json["name"] : null,
      logo: json.containsKey("logo") ? json["logo"] : null,
      owner: json.containsKey("owner") ? json["owner"] : null,
      ownerLogo: json.containsKey("owner_logo") ? json["owner_logo"] : null,
      price: json.containsKey("price") ? json["price"]?.toDouble() : null,
      licence: json.containsKey("licence") ? json["licence"] : null,
      description: json.containsKey("description") ? json["description"] : null,
      shortDescription: json.containsKey("short_description") ? json["short_description"] : null,
      local: json.containsKey("local") ? json["local"] : false,
      inputs: json["inputs"] ?? [],
      outputs: json["outputs"] ?? [],
      source: json.containsKey("source") ? json["source"] : null,
      model: json.containsKey("resource_model") ? ResourceModel().deserialize(json["resource_model"]) : null,
      acronym: json.containsKey("acronym") ? json["acronym"] : null,
      type: json.containsKey("type") ? json["type"] : null,
      size: json.containsKey("size") ? json["size"] : null,
      path: json.containsKey("path") ? json["path"] : null,
      protocol: json.containsKey("protocol") ? json["protocol"] : null,
      encryption: json.containsKey("encryption") ? json["encryption"] : false,
      redundancy: json.containsKey("redundancy") ? json["redundancy"] : null,
      throughput: json.containsKey("throughput") ? json["throughput"] : null,
    );
    if (w.logo != null) {
      //
      var image = Image.network(w.logo!);
      image.image
        .resolve(const ImageConfiguration())
        .addListener(
            ImageStreamListener(
                (ImageInfo info, bool _) {
                  w.width = info.image.width.toDouble();
                  w.height = info.image.height.toDouble();
                }));
    }
    return w;
  }
  @override Map<String, dynamic> serialize() => {
    "id": id,
    "name": name,
    "logo": logo,
    "owner": owner,
    "owner_logo": ownerLogo,
    "price": price,
    "local": local,
    "licence": licence,
    "description": description,
    "short_description": shortDescription,
    "inputs": inputs,
    "outputs": outputs,
    "source": source,
    "resource_model": model?.serialize(),
    "acronym": acronym,
    "type": type,
    "size": size,
    "path": path,
    "protocol": protocol,
    "encryption": encryption,
    "redundancy": redundancy,
    "throughput": throughput,
  };
}