fix: preserve userid when switching to template viewmodels

packages/flutter_availability/lib/src/ui/view_models/day_template_view_model.dart

@@ -7,6 +7,7 @@ class DayTemplateViewModel {
   const DayTemplateViewModel({
     this.data = const DayTemplateDataViewModel(),
     this.id,
+    this.userId,
     this.name,
     this.color,
   });
@@ -18,6 +19,7 @@ class DayTemplateViewModel {
     var data = template.templateData as DayTemplateData;
     return DayTemplateViewModel(
       id: template.id,
+      userId: template.userId,
       name: template.name,
       color: template.color,
       data: DayTemplateDataViewModel.fromDayTemplateData(data),
@@ -27,6 +29,9 @@ class DayTemplateViewModel {
   /// The identifier for this template
   final String? id;
 
+  /// The user id for which the template is created
+  final String? userId;
+
   /// The name by which the template can be visually identified
   final String? name;
 
@@ -46,7 +51,7 @@ class DayTemplateViewModel {
   /// Convert to [AvailabilityTemplateModel] for saving
   AvailabilityTemplateModel toTemplate() => AvailabilityTemplateModel(
         id: id,
-        userId: "",
+        userId: userId ?? "",
         name: name!,
         color: color!,
         templateType: AvailabilityTemplateType.day,
@@ -56,12 +61,14 @@ class DayTemplateViewModel {
   /// Create a copy with new values
   DayTemplateViewModel copyWith({
     String? id,
+    String? userId,
     String? name,
     int? color,
     DayTemplateDataViewModel? data,
   }) =>
       DayTemplateViewModel(
         id: id ?? this.id,
+        userId: userId ?? this.userId,
         name: name ?? this.name,
         color: color ?? this.color,
         data: data ?? this.data,

packages/flutter_availability/lib/src/ui/view_models/week_template_view_models.dart

@@ -6,6 +6,7 @@ class WeekTemplateViewModel {
   /// Constructor
   const WeekTemplateViewModel({
     this.data = const {},
+    this.userId,
     this.id,
     this.name,
     this.color,
@@ -18,6 +19,7 @@ class WeekTemplateViewModel {
     var data = template.templateData as WeekTemplateData;
     return WeekTemplateViewModel(
       id: template.id,
+      userId: template.userId,
       name: template.name,
       color: template.color,
       data: {
@@ -34,6 +36,9 @@ class WeekTemplateViewModel {
   /// The identifier for this template
   final String? id;
 
+  /// The user id for which the template is created
+  final String? userId;
+
   /// The name by which the template can be visually identified
   final String? name;
 
@@ -55,7 +60,7 @@ class WeekTemplateViewModel {
   /// Convert to [AvailabilityTemplateModel] for saving
   AvailabilityTemplateModel toTemplate() => AvailabilityTemplateModel(
         id: id,
-        userId: "",
+        userId: userId ?? "",
         name: name!,
         color: color!,
         templateType: AvailabilityTemplateType.week,
@@ -70,12 +75,14 @@ class WeekTemplateViewModel {
   /// Create a copy with new values
   WeekTemplateViewModel copyWith({
     String? id,
+    String? userId,
     String? name,
     int? color,
     Map<WeekDay, DayTemplateDataViewModel>? data,
   }) =>
       WeekTemplateViewModel(
         id: id ?? this.id,
+        userId: userId ?? this.userId,
         name: name ?? this.name,
         color: color ?? this.color,
         data: data ?? this.data,