Store Filter between pages

FoodsharingSiegen.Contracts/StorageKeys.cs

@@ -5,9 +5,18 @@ namespace FoodsharingSiegen.Contracts
     /// </summary>
     public static class StorageKeys
     {
+        #region Constants
+
         /// <summary>
-        /// The token key
+        ///     Represents the storage key used for prospect filtering preferences.
+        /// </summary>
+        public const string ProspectFilter = "ProspectFilter";
+
+        /// <summary>
+        ///     The token key
         /// </summary>
         public const string TokenKey = "_token";
+
+        #endregion
     }
 }

FoodsharingSiegen.Server/BaseClasses/FsBase.cs

@@ -3,6 +3,7 @@ using FoodsharingSiegen.Contracts.Entity;
 using FoodsharingSiegen.Contracts.Model;
 using FoodsharingSiegen.Server.Auth;
 using FoodsharingSiegen.Server.Data.Service;
+using FoodsharingSiegen.Server.Service;
 using Microsoft.AspNetCore.Components;
 using Microsoft.Extensions.Options;
 
@@ -31,6 +32,12 @@ namespace FoodsharingSiegen.Server.BaseClasses
         [Inject]
         protected AuthService AuthService { get; set; } = null!;
 
+        /// <summary>
+        ///     Gets or sets the service that interacts with the browser's local storage.
+        /// </summary>
+        [Inject]
+        protected LocalStorageService LocalStorageService { get; set; } = null!;
+
         /// <summary>
         ///     Gets or sets the modal service for handling modals within the application
         /// </summary>

FoodsharingSiegen.Server/Pages/Prospects.razor

@@ -26,7 +26,7 @@
 }
 
 <hr/>
-<ProspectFilterControl @bind-Filter="Filter" StateFilter="ProspectStateFilter.OnBoarding"></ProspectFilterControl>
+<ProspectFilterControl Filter="Filter" FilterChanged="FilterChangedAsync" StateFilter="ProspectStateFilter.OnBoarding"></ProspectFilterControl>
 <hr />
 <ProspectGrid
     Prospects="filterList"

FoodsharingSiegen.Server/Pages/Prospects.razor.cs

@@ -1,8 +1,10 @@
+using FoodsharingSiegen.Contracts;
 using FoodsharingSiegen.Contracts.Entity;
 using FoodsharingSiegen.Contracts.Enums;
 using FoodsharingSiegen.Contracts.Model;
 using FoodsharingSiegen.Server.Data.Service;
 using FoodsharingSiegen.Server.Dialogs;
+using FoodsharingSiegen.Server.Service;
 using Microsoft.AspNetCore.Components;
 
 namespace FoodsharingSiegen.Server.Pages
@@ -14,17 +16,14 @@ namespace FoodsharingSiegen.Server.Pages
     {
         #region Dependencies
 
-        /// <summary>
-        ///     Gets or sets the value of the prospect service (ab)
-        /// </summary>
         [Inject]
-        public ProspectService ProspectService { get; set; } = null!;
+        private ProspectService ProspectService { get; set; } = null!;
 
         /// <summary>
         ///     Gets or sets the value of the user service (ab)
         /// </summary>
         [Inject]
-        public UserService UserService { get; set; } = null!;
+        private UserService UserService { get; set; } = null!;
 
         #endregion
 
@@ -44,6 +43,9 @@ namespace FoodsharingSiegen.Server.Pages
         /// <inheritdoc />
         protected override async Task InitializeDataAsync()
         {
+            var filter = await LocalStorageService.GetItem<ProspectFilter>(StorageKeys.ProspectFilter);
+            if (filter != null) Filter = filter;
+            
             // Load prospects
             await LoadProspects();
         }
@@ -63,6 +65,21 @@ namespace FoodsharingSiegen.Server.Pages
 
         #endregion
 
+        #region Private Method FilterChangedAsync
+
+        /// <summary>
+        ///     Updates the current filter with the specified ProspectFilter object.
+        /// </summary>
+        /// <param name="arg">The ProspectFilter object containing the updated filter criteria.</param>
+        /// <returns>A task that represents the asynchronous operation.</returns>
+        private async Task FilterChangedAsync(ProspectFilter arg)
+        {
+            Filter = arg;
+            await LocalStorageService.SetItem(StorageKeys.ProspectFilter, Filter);
+        }
+
+        #endregion
+
         #region Private Method LoadProspects
 
         /// <summary>

FoodsharingSiegen.Server/Pages/ProspectsAll.razor

@@ -17,7 +17,7 @@
 }
 
 <hr/>
-<ProspectFilterControl @bind-Filter="Filter" StateFilter="ProspectStateFilter.All"></ProspectFilterControl>
+<ProspectFilterControl Filter="Filter" FilterChanged="FilterChangedAsync" StateFilter="ProspectStateFilter.All"></ProspectFilterControl>
 <hr />
 <ProspectGrid
     Prospects="filterList"

FoodsharingSiegen.Server/Pages/ProspectsAll.razor.cs

@@ -1,3 +1,4 @@
+using FoodsharingSiegen.Contracts;
 using FoodsharingSiegen.Contracts.Entity;
 using FoodsharingSiegen.Contracts.Helper;
 using FoodsharingSiegen.Contracts.Model;
@@ -46,12 +47,31 @@ namespace FoodsharingSiegen.Server.Pages
         {
             if(!CurrentUser.IsAdmin()) NavigationManager.NavigateTo("/");
             
+            // Load Filter
+            var filter = await LocalStorageService.GetItem<ProspectFilter>(StorageKeys.ProspectFilter);
+            if (filter != null) Filter = filter;
+            
             // Load prospects
             await LoadProspects();
         }
 
         #endregion
 
+        #region Private Method FilterChangedAsync
+
+        /// <summary>
+        ///     Updates the current filter with the specified ProspectFilter object.
+        /// </summary>
+        /// <param name="arg">The ProspectFilter object containing the updated filter criteria.</param>
+        /// <returns>A task that represents the asynchronous operation.</returns>
+        private async Task FilterChangedAsync(ProspectFilter arg)
+        {
+            Filter = arg;
+            await LocalStorageService.SetItem(StorageKeys.ProspectFilter, Filter);
+        }
+
+        #endregion
+        
         #region Private Method LoadProspects
 
         /// <summary>

FoodsharingSiegen.Server/Pages/ProspectsDone.razor

@@ -17,7 +17,7 @@
 }
 
 <hr />
-<ProspectFilterControl @bind-Filter="Filter" StateFilter="ProspectStateFilter.Completed"></ProspectFilterControl>
+<ProspectFilterControl Filter="Filter" FilterChanged="FilterChangedAsync" StateFilter="ProspectStateFilter.Completed"></ProspectFilterControl>
 <hr />
 <ProspectGrid
     Prospects="filterList"

FoodsharingSiegen.Server/Pages/ProspectsDone.razor.cs

@@ -1,3 +1,4 @@
+using FoodsharingSiegen.Contracts;
 using FoodsharingSiegen.Contracts.Entity;
 using FoodsharingSiegen.Contracts.Enums;
 using FoodsharingSiegen.Contracts.Model;
@@ -37,11 +38,30 @@ namespace FoodsharingSiegen.Server.Pages
         /// <inheritdoc />
         protected override async Task InitializeDataAsync()
         {
+            // Load Filter
+            var filter = await LocalStorageService.GetItem<ProspectFilter>(StorageKeys.ProspectFilter);
+            if (filter != null) Filter = filter;
+            
             await LoadProspects();
         }
 
         #endregion
 
+        #region Private Method FilterChangedAsync
+
+        /// <summary>
+        ///     Updates the current filter with the specified ProspectFilter object.
+        /// </summary>
+        /// <param name="arg">The ProspectFilter object containing the updated filter criteria.</param>
+        /// <returns>A task that represents the asynchronous operation.</returns>
+        private async Task FilterChangedAsync(ProspectFilter arg)
+        {
+            Filter = arg;
+            await LocalStorageService.SetItem(StorageKeys.ProspectFilter, Filter);
+        }
+
+        #endregion
+
         #region Private Method LoadProspects
 
         /// <summary>

FoodsharingSiegen.Server/Pages/ProspectsVerify.razor

@@ -17,7 +17,7 @@
 }
 
 <hr/>
-<ProspectFilterControl @bind-Filter="Filter" StateFilter="ProspectStateFilter.Verification"></ProspectFilterControl>
+<ProspectFilterControl Filter="Filter" FilterChanged="FilterChangedAsync" StateFilter="ProspectStateFilter.Verification"></ProspectFilterControl>
 <hr />
 <ProspectGrid
     Prospects="filterList"

FoodsharingSiegen.Server/Pages/ProspectsVerify.razor.cs

@@ -1,8 +1,8 @@
+using FoodsharingSiegen.Contracts;
 using FoodsharingSiegen.Contracts.Entity;
 using FoodsharingSiegen.Contracts.Enums;
 using FoodsharingSiegen.Contracts.Model;
 using FoodsharingSiegen.Server.Data.Service;
-using FoodsharingSiegen.Server.Dialogs;
 using Microsoft.AspNetCore.Components;
 
 namespace FoodsharingSiegen.Server.Pages
@@ -44,12 +44,31 @@ namespace FoodsharingSiegen.Server.Pages
         /// <inheritdoc />
         protected override async Task InitializeDataAsync()
         {
+            // Load Filter
+            var filter = await LocalStorageService.GetItem<ProspectFilter>(StorageKeys.ProspectFilter);
+            if (filter != null) Filter = filter;
+
             // Load prospects
             await LoadProspects();
         }
 
         #endregion
 
+        #region Private Method FilterChangedAsync
+
+        /// <summary>
+        ///     Updates the current filter with the specified ProspectFilter object.
+        /// </summary>
+        /// <param name="arg">The ProspectFilter object containing the updated filter criteria.</param>
+        /// <returns>A task that represents the asynchronous operation.</returns>
+        private async Task FilterChangedAsync(ProspectFilter arg)
+        {
+            Filter = arg;
+            await LocalStorageService.SetItem(StorageKeys.ProspectFilter, Filter);
+        }
+
+        #endregion
+
         #region Private Method LoadProspects
 
         /// <summary>