parallelize some events and database mutating actions

.editorconfig

@@ -0,0 +1,4 @@
+[*.cs]
+
+# CS1998: Async method lacks 'await' operators and will run synchronously
+dotnet_diagnostic.CS1998.severity = none

Controllers/MorePageController.cs

@@ -24,14 +24,14 @@ namespace ShoopNCook.Controllers
             app.ForceLogin();
         }
 
-        public void GoToMyRecipesPage()
+        public async void GoToMyRecipesPage()
         {
-            Shell.Current.Navigation.PushAsync(new MyRecipesPage(account, endpoint.RecipesService, app.Notifier));
+            await Shell.Current.Navigation.PushAsync(new MyRecipesPage(account, endpoint.RecipesService, app.Notifier));
         }
 
-        public void GoToProfilePage()
+        public async void GoToProfilePage()
         {
-            Shell.Current.Navigation.PushAsync(new ProfilePage(account));
+            await Shell.Current.Navigation.PushAsync(new ProfilePage(account));
         }
     }
 }

LocalServices/Data/CatastrophicPerformancesDatabase.cs

@@ -76,38 +76,38 @@ namespace LocalEndpoint.Data
             return usersData[user].Rates[recipe];
         }
 
-        public void InsertInUserList(Guid userId, Guid recipeId, uint persAmount)
+        public async void InsertInUserList(Guid userId, Guid recipeId, uint persAmount)
         {
             usersData[userId].RecipesList[recipeId] = persAmount;
             Save(USERS_FILENAME, USERS_SERIALIZER, usersData);
         }
 
-        public void RemoveFromUserList(Guid userId, Guid recipeId)
+        public async void RemoveFromUserList(Guid userId, Guid recipeId)
         {
             usersData[userId].RecipesList.Remove(recipeId);
             Save(USERS_FILENAME, USERS_SERIALIZER, usersData);
         }
 
 
-        public void InsertRecipe(Recipe recipe)
+        public async void InsertRecipe(Recipe recipe)
         {
             recipesData[recipe.Info.Id] = new RecipeData(recipe.Info, recipe.Owner.Id, recipe.Ingredients, recipe.Steps);
             Save(RECIPES_FILENAME, RECIPES_SERIALIZER, recipesData);
         }
 
-        public void InsertUser(User user)
+        public async void InsertUser(User user)
         {
             usersData[user.Id] = new UserData(user, new Dictionary<Guid, RecipeRate>(), new Dictionary<Guid, uint>());
             Save(USERS_FILENAME, USERS_SERIALIZER, usersData);
         }
 
-        public void InsertRate(Guid userId, Guid recipeId, RecipeRate rate)
+        public async void InsertRate(Guid userId, Guid recipeId, RecipeRate rate)
         {
             usersData[userId].Rates[recipeId] = rate;
             Save(USERS_FILENAME, USERS_SERIALIZER, usersData);
         }
 
-        public void RemoveRecipe(Guid id)
+        public async void RemoveRecipe(Guid id)
         {
             recipesData.Remove(id);
             Save(RECIPES_FILENAME, RECIPES_SERIALIZER, recipesData);
@@ -151,7 +151,7 @@ namespace LocalEndpoint.Data
             return JsonSerializer.Deserialize<Dictionary<K, V>>(text);
         }
 
-        private void Save<K, T>(string fileName, DataContractSerializer serializer, Dictionary<K, T> dict)
+        private async void Save<K, T>(string fileName, DataContractSerializer serializer, Dictionary<K, T> dict)
         {
             string json = JsonSerializer.Serialize(dict);
             File.WriteAllText(dbPath + "/" + fileName, json);

Views/ConfirmMail.xaml

@@ -37,11 +37,9 @@
             <!-- Email entry -->
             <Grid
                 Grid.Row="1"
-                RowDefinitions="*, Auto, Auto"
-                >
+                RowDefinitions="*, Auto, Auto">
 
                 <Label 
-                    
                     Grid.Row="0"
                     FontSize="15"
                     TextColor="{StaticResource TextColorSecondary}"

Views/CreateRecipePage.xaml.cs

@@ -18,21 +18,21 @@ public partial class CreateRecipePage : ContentPage
         this.notifier = notifier;
 	}
 
-    private void OnAddIngredientTapped(object sender, TappedEventArgs e)
+    private async void OnAddIngredientTapped(object sender, TappedEventArgs e)
     {
         IngredientList.Children.Add(new IngredientEntry());
     }
 
-    private void OnAddStepTapped(object sender, TappedEventArgs e)
+    private async void OnAddStepTapped(object sender, TappedEventArgs e)
     {
         StepList.Children.Add(new StepEntry((uint) StepList.Children.Count() + 1));
     }
-    private void OnBackButtonClicked(object sender, EventArgs e)
+    private async void OnBackButtonClicked(object sender, EventArgs e)
     {
         Navigation.PopAsync();
     }
 
-    private void OnUploadRecipeClicked(object sender, EventArgs e)
+    private async void OnUploadRecipeClicked(object sender, EventArgs e)
     {
 
         uint callPerPers;

Views/FavoritesPage.xaml.cs

@@ -29,15 +29,15 @@ public partial class FavoritesPage : ContentPage
         RecipeViewLayout.Children.Clear();
         preferences.GetFavorites().ForEach(info =>
         {
-            RecipeViewLayout.Children.Add(new RecipeView(info, () =>
+            RecipeViewLayout.Children.Add(new RecipeView(info, async () =>
             {
                 Recipe? recipe = service.GetRecipe(info);
-                Shell.Current.Navigation.PushAsync(new RecipePage(recipe, notifier, preferences, 1));
+                await Shell.Current.Navigation.PushAsync(new RecipePage(recipe, notifier, preferences, 1));
             }));
         });
     }
 
-    private void ContentPage_NavigatedTo(object sender, NavigatedToEventArgs e)
+    private async void ContentPage_NavigatedTo(object sender, NavigatedToEventArgs e)
     {
         UpdateFavorites();
     }

Views/HomePage.xaml.cs

@@ -40,8 +40,8 @@ public partial class HomePage : ContentPage
 
     
 
-    private void OnSyncButtonClicked(object sender, EventArgs e)
+    private async void OnSyncButtonClicked(object sender, EventArgs e)
     {
-        Shell.Current.Navigation.PushAsync(new SearchPage());
+        await Shell.Current.Navigation.PushAsync(new SearchPage());
     }
 }

Views/MyListPage.xaml.cs

@@ -37,7 +37,7 @@ public partial class MyListPage : ContentPage
         });
     }
 
-    private void ContentPage_NavigatedTo(object sender, NavigatedToEventArgs e)
+    private async void ContentPage_NavigatedTo(object sender, NavigatedToEventArgs e)
     {
         UpdateMyList();
     }

Views/MyRecipesPage.xaml.cs

@@ -61,11 +61,11 @@ public partial class MyRecipesPage : ContentPage
         notifier.Success("Recipe successfully removed");
     }
 
-    private void OnBackButtonClicked(object sender, EventArgs e)
+    private async void OnBackButtonClicked(object sender, EventArgs e)
     {
-        Navigation.PopAsync();
+        await Navigation.PopAsync();
     }
-    private void OnAddRecipeButtonClicked(object sender, EventArgs e)
+    private async void OnAddRecipeButtonClicked(object sender, EventArgs e)
     {
         IAccountOwnedRecipes recipes = service.GetRecipesOf(account);
 

Views/RecipePage.xaml.cs

@@ -77,7 +77,7 @@ public partial class RecipePage : ContentPage
         }
     }
 
-    private void OnFavorite(object o, EventArgs e)
+    private async void OnFavorite(object o, EventArgs e)
     {
         SetFavorite(!isFavorite);
         if (isFavorite)
@@ -86,13 +86,13 @@ public partial class RecipePage : ContentPage
             preferences.RemoveFromFavorites(info);
     }
 
-    private void OnSubmitReviewClicked(object o, EventArgs e)
+    private async void OnSubmitReviewClicked(object o, EventArgs e)
     {
         preferences.SetReviewScore(info, note);
         notifier.Success("Your review has been successfuly submited");
     }
 
-    private void OnAddToMyListClicked(object o, EventArgs e)
+    private async void OnAddToMyListClicked(object o, EventArgs e)
     {
         if (!preferences.AddToWeeklyList(info, Counter.Count))
             notifier.Notice("You already added this recipe to you weekly list!");
@@ -108,9 +108,9 @@ public partial class RecipePage : ContentPage
         else
             Favorite.Source = ImageSource.FromFile("hearth_off.svg");
     }
-    private void OnBackButtonClicked(object sender, EventArgs e)
+    private async void OnBackButtonClicked(object sender, EventArgs e)
     {
-        Navigation.PopAsync();
+        await Navigation.PopAsync();
     }
 
 }

Views/RegisterPage.xaml.cs

@@ -14,7 +14,7 @@ public partial class RegisterPage : ContentPage
     {
         await Shell.Current.GoToAsync("//Login");
     }
-    private void RegisterTapped(object sender, EventArgs e)
+    private async void RegisterTapped(object sender, EventArgs e)
     {
         string email = EmailEntry.Text;
         string password = PasswordEntry.Text;