fixed all the linting errors in the entities

lib/entities/PizzaRecipe/ingredient.dart

@@ -24,9 +24,9 @@ class Ingredient extends HiveObject {
   TableRow getIngredientTableRow(int pizzaCount, int doughBallSize){
     return TableRow(
       children: <Widget>[
-        TableCell(child: Center(child: Text("${this.name.capitalize()}"))),
+        TableCell(child: Center(child: Text(name.capitalize()))),
-        TableCell(child: Center(child: Text("${this.getAbsoluteString(doughBallSize)}$unit"))),
+        TableCell(child: Center(child: Text("${getAbsoluteString(doughBallSize)}$unit"))),
-        TableCell(child: Center(child: Text("${this.getAbsoluteString(pizzaCount * doughBallSize)}$unit"))),
+        TableCell(child: Center(child: Text("${getAbsoluteString(pizzaCount * doughBallSize)}$unit"))),
       ],
     );
   }

lib/entities/PizzaRecipe/pizza_recipe.dart

@@ -27,26 +27,26 @@ class PizzaRecipe extends HiveObject {
   PizzaRecipe(this.name, this.description, this.ingredients, this.recipeSteps);
   
   String getShortDescriptionString(){
-    if (this.description.length < 150) { // TODO 150?
+    if (description.length < 150) { // TODO 150?
-      return this.description;
+      return description;
     }
-    var endOfLineIndex = this.description.indexOf(RegExp("[.]|\$")) + 1;
+    final endOfLineIndex = description.indexOf(RegExp("[.]|\$")) + 1;
     if (endOfLineIndex >= 150){
-      var first150 = this.description.substring(0, 150);
+      final first150 = description.substring(0, 150);
       return "$first150...";
     }
-    return this.description.substring(0, endOfLineIndex);
+    return description.substring(0, endOfLineIndex);
   }
   Table getIngredientsTable(int pizzaCount, int doughBallSize) {
     return Table(
         border: TableBorder.all(),
         columnWidths: const <int, TableColumnWidth>{
           0: FlexColumnWidth(2),
-          1: FlexColumnWidth(1),
+          1: FlexColumnWidth(),
           2: FlexColumnWidth(2),
         },
         children: <TableRow>[
-          TableRow(
+          const TableRow(
               children: <TableCell>[
                 TableCell(child: Center(child: Text("Ingredient"))),
                 TableCell(child: Center(child: Text("Per Ball"))),
@@ -63,7 +63,7 @@ class PizzaRecipe extends HiveObject {
 
   int getStepsCompleted(){
     var stepCount = 0;
-    for (var recipeStep in this.recipeSteps) {
+    for (final recipeStep in recipeSteps) {
       if (!recipeStep.completed) {
         return stepCount;
       }
@@ -73,27 +73,27 @@ class PizzaRecipe extends HiveObject {
   }
 
   static Future<PizzaRecipe> fromYaml(String yamlPath) async{
-    String yamlString = await loadAsset(yamlPath);
+    final String yamlString = await loadAsset(yamlPath);
-    var yaml = loadYaml(yamlString);
+    final yaml = loadYaml(yamlString);
-    YamlMap recipe = yaml["recipe"] as YamlMap;
+    final YamlMap recipe = yaml["recipe"] as YamlMap;
 
-    String name = recipe["name"] as String;
+    final String name = recipe["name"] as String;
-    String description = recipe["description"] as String;
+    final String description = recipe["description"] as String;
 
-    YamlList ingredients = recipe["ingredients"] as YamlList;
+    final YamlList ingredients = recipe["ingredients"] as YamlList;
 
-    List<Ingredient> newIngredients = ingredients.map(
+    final List<Ingredient> newIngredients = ingredients.map(
             (ingredient) => Ingredient(
                 ingredient["name"] as String, 
                 ingredient["unit"] as String, 
                 ingredient["value"] as double
             )).toList();
 
-    YamlList steps = recipe["steps"] as YamlList;
+    final YamlList steps = recipe["steps"] as YamlList;
-    var newRecipeSteps = List.generate(steps.length, (i) {
+    final newRecipeSteps = List.generate(steps.length, (i) {
-      YamlMap step = steps[i] as YamlMap;
+      final YamlMap step = steps[i] as YamlMap;
-      String stepName = step["name"] as String;
+      final String stepName = step["name"] as String;
-      String stepDescription = step["description"] as String;
+      final String stepDescription = step["description"] as String;
 
       String waitUnit = "none";
       String waitDescription = "";
@@ -101,7 +101,7 @@ class PizzaRecipe extends HiveObject {
       int waitMax = 0;
 
       if (step.containsKey("wait")) {
-        YamlMap waitMap = step["wait"] as YamlMap;
+        final YamlMap waitMap = step["wait"] as YamlMap;
 
         waitDescription = waitMap["description"] as String;
         waitUnit = waitMap["unit"] as String;
@@ -109,9 +109,9 @@ class PizzaRecipe extends HiveObject {
         waitMax = waitMap["max"] as int;
       }
 
-      YamlList subSteps = step.containsKey("substeps") ? step["substeps"] as YamlList : YamlList();
+      final YamlList subSteps = step.containsKey("substeps") ? step["substeps"] as YamlList : YamlList();
-      var newSubSteps = List.generate(subSteps.length, (j) {
+      final newSubSteps = List.generate(subSteps.length, (j) {
-        var subStep = subSteps[j];
+        final subStep = subSteps[j];
         return RecipeSubStep(
             subStep["name"] as String, 
             subStep["description"] as String
@@ -148,15 +148,16 @@ class PizzaRecipe extends HiveObject {
     return Duration(seconds: recipeSteps.map((recipeStep) => recipeStep.getCurrentWaitInSeconds()).reduce((a, b) => a+b));
   }
 
+  @override
   String toString() {
-    return "PizzaRecipe(${this.name}, ${this.ingredients.length}, ${this.recipeSteps.length})";
+    return "PizzaRecipe($name, ${ingredients.length}, ${recipeSteps.length})";
   }
 
   Table getStepTimeTable(DateTime startTime) {
-    List<TableRow> stepRows = [];
+    final List<TableRow> stepRows = [];
     DateTime dateTime = DateTime.fromMillisecondsSinceEpoch(startTime.millisecondsSinceEpoch);
-    for (var recipeStep in this.recipeSteps.reversed) {
+    for (final recipeStep in recipeSteps.reversed) {
-      Duration stepWaitDuration = Duration(seconds: recipeStep.getCurrentWaitInSeconds());
+      final Duration stepWaitDuration = Duration(seconds: recipeStep.getCurrentWaitInSeconds());
       stepRows.add(
         TableRow(
           children: <TableCell>[
@@ -169,11 +170,11 @@ class PizzaRecipe extends HiveObject {
     }
     return Table(
       columnWidths: const <int, TableColumnWidth>{
-        0: FlexColumnWidth(1),
+        0: FlexColumnWidth(),
-        1: FlexColumnWidth(1),
+        1: FlexColumnWidth(),
       },
       children: <TableRow>[
-        TableRow(
+        const TableRow(
           children: <TableCell>[
             TableCell(child: Center(child: Text("Step"))),
             TableCell(child: Center(child: Text("When"))),

lib/entities/PizzaRecipe/recipe_step.dart

@@ -46,18 +46,20 @@ class RecipeStep extends HiveObject {
   RecipeStep(this.name, this.description, this.waitDescription, this.waitUnit, this.waitMin, this.waitMax, this.subSteps, {DateTime? dateTime, bool completed=false}) {
     waitValue = waitMin;
     this.dateTime = dateTime ?? DateTime.now();
-    this._completed = completed;
+    _completed = completed;
   }
 
   bool _checkCompleted(){
-    return subSteps.length > 0 ?
+    return subSteps.isNotEmpty ?
         subSteps.every((subStep) => subStep.completed) :
-        this._completed;
+        _completed;
   }
   
   void completeStepNow() {
-    this.subSteps.forEach((subStep) { subStep.completeNow();});
+    for (final subStep in subSteps){
-    this._completed = true;
+      subStep.completeNow();
+    }
+    _completed = true;
   }
 
   int convertToSeconds(int value){
@@ -78,14 +80,14 @@ class RecipeStep extends HiveObject {
   }
 
   int getWaitMinInSeconds(){
-    return convertToSeconds(this.waitMin);
+    return convertToSeconds(waitMin);
   }
 
   int getWaitMaxInSeconds() {
-    return convertToSeconds(this.waitMax);
+    return convertToSeconds(waitMax);
   }
 
   int getCurrentWaitInSeconds() {
-    return convertToSeconds(this.waitValue!);
+    return convertToSeconds(waitValue!);
   }
 }

lib/entities/pizza_event.dart

@@ -46,16 +46,16 @@ class PizzaEvent extends HiveObject{
     const platformChannelSpecific = NotificationDetails(android: androidPlatformChannelSpecifics);
 
     var stepTime = tz.TZDateTime.from(dateTime, tz.local);
-    var durationToFirstStep = Duration(seconds: this.recipe.recipeSteps
+    final durationToFirstStep = Duration(seconds: recipe.recipeSteps
         .map((recipeStep) => recipeStep.getCurrentWaitInSeconds())
         .fold(0, (a, b) => a+b));
     stepTime = stepTime.subtract(durationToFirstStep);
 
     final List<PendingNotificationRequest> pendingNotificationRequests = await flutterLocalNotificationsPlugin.pendingNotificationRequests();
-    int notificationId = pendingNotificationRequests.map((pendingNotification) => pendingNotification.id).fold(0, max);
+    final int notificationId = pendingNotificationRequests.map((pendingNotification) => pendingNotification.id).fold(0, max);
 
     int stepId = 0;
-    for (var recipeStep in this.recipe.recipeSteps) {
+    for (final recipeStep in recipe.recipeSteps) {
       await flutterLocalNotificationsPlugin.zonedSchedule(
           notificationId+stepId,
           recipeStep.name,
@@ -63,7 +63,7 @@ class PizzaEvent extends HiveObject{
           stepTime,
           platformChannelSpecific,
           androidAllowWhileIdle: true,
-          payload: "${this.key}__$stepId",
+          payload: "${key}__$stepId",
           uiLocalNotificationDateInterpretation:
           UILocalNotificationDateInterpretation.absoluteTime
       );

lib/pages/pizza_event_recipe_page.dart

@@ -6,7 +6,7 @@ import 'package:url_launcher/url_launcher.dart';
 
 class PizzaEventRecipePage extends StatefulWidget {
   final PizzaEvent pizzaEvent;
-  PizzaEventRecipePage(this.pizzaEvent);
+  const PizzaEventRecipePage(this.pizzaEvent);
   
   @override
   PizzaEventRecipePageState createState() => PizzaEventRecipePageState();
@@ -17,33 +17,33 @@ class PizzaEventRecipePageState extends State<PizzaEventRecipePage> {
   int page = 0;
   
   PizzaEventRecipePageState(){
-    this.page = controller.initialPage;
+    page = controller.initialPage;
   }
   
   @override
   Widget build(BuildContext context){
-    var recipeStepCount = this.widget.pizzaEvent.recipe.recipeSteps.length;
+    var recipeStepCount = widget.pizzaEvent.recipe.recipeSteps.length;
     recipeStepCount += 1; // because of first description page
-    List<Text> pageIndex = [];
+    final List<Text> pageIndex = [];
     for (var i = 0;i < recipeStepCount;i++){
       pageIndex.add(
         Text(
           "${i+1}",
           style: TextStyle(
-              color: i == this.page ? Colors.blue : Colors.grey
+              color: i == page ? Colors.blue : Colors.grey
           )
         )
       );
       if (i != recipeStepCount-1) {
         pageIndex.add(
-            Text(" - ", style: TextStyle(color: Colors.grey))
+            const Text(" - ", style: TextStyle(color: Colors.grey))
         );
       }
     }
     
     return Scaffold(
       appBar: AppBar(
-        title: Text(this.widget.pizzaEvent.recipe.name),
+        title: Text(widget.pizzaEvent.recipe.name),
       ),
       resizeToAvoidBottomInset: false,
       body: Column(
@@ -51,16 +51,16 @@ class PizzaEventRecipePageState extends State<PizzaEventRecipePage> {
           Expanded(
               flex: 95,
               child: PageView(
-                onPageChanged: (newPage) => setState(() {this.page = newPage;}),
+                onPageChanged: (newPage) => setState(() {page = newPage;}),
                   controller: controller,
                   children: <Widget>[
                     Markdown(
-                      data: this.widget.pizzaEvent.recipe.description,
+                      data: widget.pizzaEvent.recipe.description,
                       onTapLink: (text, url, title) {
                         launch(url!);
                       },
                     ),
-                  ] + this.widget.pizzaEvent.recipe.recipeSteps.map((recipeStep) => buildRecipeStep(recipeStep)).toList()
+                  ] + widget.pizzaEvent.recipe.recipeSteps.map((recipeStep) => buildRecipeStep(recipeStep)).toList()
               )
           ),
           Expanded(
@@ -82,7 +82,7 @@ class PizzaEventRecipePageState extends State<PizzaEventRecipePage> {
           child: Text(recipeStep.name)
         ),
         Container(
-          padding: EdgeInsets.all(16),
+          padding: const EdgeInsets.all(16),
           child: MarkdownBody(
             data: recipeStep.description,
             onTapLink: (text, url, title) {