Conditions #9

- Implement conditions validation & saving.
- Implement conditions deletion.
- Update variable dropdown in variable property overlay to show conditions when a condition is being applied.
- Refactor ActionModel for deserializing.
- Fix setVariant issues.

Author: BirjuVachhani

lib/src/api/models/action/action.dart

@@ -2,11 +2,8 @@
 // All rights reserved. Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE.md file.
 
-import 'package:json_annotation/json_annotation.dart';
-
 import '../../mixins.dart';
-
-part 'action.g.dart';
+import '../models.dart';
 
 /// Type of the action to perform on a user interaction.
 enum ActionType {
@@ -58,8 +55,7 @@ enum ActionType {
 }
 
 /// Holds information about an action to perform on a user interaction.
-@JsonSerializable()
-class ActionModel with SerializableMixin {
+abstract class ActionModel with SerializableMixin {
   /// Type of the action.
   ActionType type;
 
@@ -68,8 +64,25 @@ class ActionModel with SerializableMixin {
 
   /// Factory constructor for creating a new [ActionModel] instance from
   /// JSON data.
-  factory ActionModel.fromJson(Map json) => _$ActionModelFromJson(json);
-
-  @override
-  Map toJson() => _$ActionModelToJson(this);
+  factory ActionModel.fromJson(Map json) {
+    final ActionType type = ActionType.values.byName(json['type']);
+    switch (type) {
+      case ActionType.navigation:
+        return NavigationAction.fromJson(json);
+      case ActionType.link:
+        return LinkAction.fromJson(json);
+      case ActionType.submit:
+        return SubmitAction.fromJson(json);
+      case ActionType.setValue:
+        return SetValueAction.fromJson(json);
+      case ActionType.setVariant:
+        return SetVariantAction.fromJson(json);
+      case ActionType.setVariable:
+        return SetVariableAction.fromJson(json);
+      case ActionType.callFunction:
+        return CallFunctionAction.fromJson(json);
+      case ActionType.callApi:
+        return ApiCallAction.fromJson(json);
+    }
+  }
 }

lib/src/api/models/action/action.g.dart

@@ -17,7 +17,6 @@ class Reaction with EquatableMixin, SerializableMixin {
   final String name;
 
   /// Action to be performed.
-  @JsonKey(fromJson: actionFromJson)
   final ActionModel action;
 
   /// Event that will trigger the action.
@@ -51,26 +50,3 @@ class Reaction with EquatableMixin, SerializableMixin {
   @override
   Map toJson() => _$ReactionToJson(this);
 }
-
-/// A deserializer for [ActionModel].
-ActionModel actionFromJson(Map json) {
-  final ActionType type = ActionModel.fromJson(json).type;
-  switch (type) {
-    case ActionType.navigation:
-      return NavigationAction.fromJson(json);
-    case ActionType.link:
-      return LinkAction.fromJson(json);
-    case ActionType.submit:
-      return SubmitAction.fromJson(json);
-    case ActionType.setValue:
-      return SetValueAction.fromJson(json);
-    case ActionType.setVariant:
-      return SetVariantAction.fromJson(json);
-    case ActionType.setVariable:
-      return SetVariableAction.fromJson(json);
-    case ActionType.callFunction:
-      return CallFunctionAction.fromJson(json);
-    case ActionType.callApi:
-      return ApiCallAction.fromJson(json);
-  }
-}