Issue 204 - Blocking pages from server side (#217)

* add server proof for Invest.razor

* add link block for create also

* fixup

* fix error

* act on review

* act on review

* add dan's comment

* Add an IApplicationLogicService

---------

Co-authored-by: dangershony <[email protected]>

src/Angor/Client/Pages/Create.razor

@@ -30,6 +30,13 @@
     return;
 }
 
+@if (!isValid)
+{
+    <div class="alert alert-danger">
+        <h4>Error</h4>
+        <p>@errorMessage</p>
+    </div>
+}
 
 <div class="row">
     <div class="card card-body">
@@ -570,6 +577,8 @@
 
     private int totalDuration;
     private int numberOfStages;
+    private bool isValid = true;
+    private string errorMessage;
 
     bool createProfileSpinner;
     bool createApplicationDataSpinner;
@@ -586,16 +595,21 @@
             return;
         }
 
-        var projects = storage.GetFounderProjects() ?? new List<FounderProject>();
+        var projects = storage.GetFounderProjects();
+
         var keys = _walletStorage.GetFounderKeys();
 
-        if (projects.Count(p => !string.IsNullOrEmpty(p.CreationTransactionId)) >= keys.Keys.Count)
+        // if CreationTransactionId is not null this means the project was published to the blockchain
+        var startedProjects = projects.Where(p => !string.IsNullOrEmpty(p.CreationTransactionId)).ToList();
+
+        if (startedProjects.Count >= keys.Keys.Count)
         {
-            notificationComponent.ShowErrorMessage("All founder keys have been used for this wallet!");
+            errorMessage = "All founder keys have been used for this wallet!";
+            isValid = false;
             return;
         }
 
-        var latestProject = projects.Where(_ => !string.IsNullOrEmpty(_.CreationTransactionId)).MaxBy(p => p.ProjectIndex);
+        var latestProject = startedProjects.MaxBy(p => p.ProjectIndex);
         var projectsKeys = _derivationOperations.GetProjectKey(keys, latestProject?.ProjectIndex + 1 ?? 1);
 
         project = projects.FirstOrDefault(p => p.ProjectInfo.ProjectIdentifier == projectsKeys.ProjectIdentifier)
@@ -1226,8 +1240,4 @@
             project.Metadata.Picture = spacePhotos[random.Next(spacePhotos.Length)];
         }
     }
-
-
-
-
-}
+}

src/Angor/Client/Pages/Invest.razor

@@ -21,15 +21,15 @@
 @inject IJSRuntime JS
 
 @inject ILogger<Invest> _Logger;
-@inject IDerivationOperations _derivationOperations
+@inject IDerivationOperations _derivationOperations;
 @inject IClientStorage storage;
 @inject ICacheStorage SessionStorage;
-@inject IWalletOperations _WalletOperations
+@inject IWalletOperations _WalletOperations;
+@inject IApplicationLogicService applicationLogicService;
+@inject ISignService _SignService;
+@inject IRelayService _RelayService;
 
-@inject ISignService _SignService
-@inject IRelayService _RelayService
-
-@inject IInvestorTransactionActions _InvestorTransactionActions
+@inject IInvestorTransactionActions _InvestorTransactionActions;
 
 @inject ISerializer serializer
 @inject IEncryptionService encryption
@@ -386,7 +386,7 @@ else
         }
 
         Project? findProject = storage.GetInvestmentProjects().FirstOrDefault(p => p.ProjectInfo.ProjectIdentifier == ProjectId);
-
+        
         if (findProject != null)
         {
             var investmentProject = findProject as InvestorProject;
@@ -413,6 +413,14 @@ else
                 }
             }
         }
+
+        if (!applicationLogicService.IsInvestmentWindowOpen(project?.ProjectInfo))
+        {
+            notificationComponent.ShowNotificationMessage("You cannot invest in this project.", 5);
+            NavigationManager.NavigateTo($"/view/{ProjectId}");
+            return;
+        }
+
         await CheckIfSeederTimeHasPassed();
 
         UpdateStagesBreakdown(new ChangeEventArgs { Value = Investment.InvestmentAmount });

src/Angor/Client/Pages/View.razor

@@ -23,7 +23,7 @@
 @inject IJSRuntime Js;
 @inject ILogger<Browse> Logger;
 @inject IHtmlStripperService HtmlStripperService;
-
+@inject IApplicationLogicService applicationLogicService;
 @inject NostrConversionHelper NostrHelper
 
 
@@ -305,25 +305,19 @@ else
                     Seize the opportunity to invest in this project.
                 </p>
                 @{
-                    var timeLeft = (project.ProjectInfo.StartDate - DateTime.UtcNow).Days;
-
-                    if (timeLeft <= 0 && network.NetworkType == NetworkType.Testnet)
-                    {
-                        // on testnet we will not disable the ability to invest at all
-                        timeLeft = 1;
-                    }
+                    var canInvest = applicationLogicService.IsInvestmentWindowOpen(project?.ProjectInfo);
                 }
                 <button class="btn btn-border mb-3" data-cy="INVEST_BUTTON"
                         @onclick="InvestInProject"
-                        disabled="@(timeLeft <= 0 ? "disabled" : null)"
-                        title="@(timeLeft <= 0 ? "The investing period is over" : null)">
-                    @if (timeLeft > 0)
+                        disabled="@(!canInvest)">
+
+                    @if (!canInvest)
                     {
-                        <text>Invest Now</text>
+                        <text>The investing period is over</text>
                     }
                     else
                     {
-                        <text>The investing period is over</text>
+                        <text>Invest Now</text>
                     }
                 </button>
             </div>
@@ -442,6 +436,7 @@ else
     private bool isGeneratingNsec;
     private string errorMessage = string.Empty;
 
+
     private string error;
 
     private List<(string Hash, int Amount)> SelectedSeeders = new List<(string hash, int amount)>
@@ -759,5 +754,5 @@ else
         string sanitizedInput = HtmlStripperService.StripHtmlTags(input);
         return new MarkupString(sanitizedInput);
     }
+}
 
-}

src/Angor/Client/Program.cs

@@ -53,6 +53,8 @@
 builder.Services.AddTransient<ISeederScriptTreeBuilder, SeederScriptTreeBuilder>();
 builder.Services.AddTransient<ITaprootScriptBuilder, TaprootScriptBuilder>();
 
+builder.Services.AddScoped<IApplicationLogicService, ApplicationLogicService>();
+
 builder.Services.AddSingleton<INostrCommunicationFactory, NostrCommunicationFactory>();
 builder.Services.AddScoped<IRelaySubscriptionsHandling, RelaySubscriptionsHandling>();
 builder.Services.AddSingleton<IPasswordCacheService, PasswordCacheService>();

src/Angor/Shared/Services/ApplicationLogicService.cs

@@ -0,0 +1,30 @@
+using System;
+using Angor.Shared.Models;
+using Blockcore.Networks;
+
+namespace Angor.Shared.Services
+{
+    public class ApplicationLogicService : IApplicationLogicService
+    {
+        private readonly INetworkConfiguration _networkConfiguration;
+
+        public ApplicationLogicService(INetworkConfiguration networkConfiguration)
+        {
+            _networkConfiguration = networkConfiguration;
+        }
+
+        public bool IsInvestmentWindowOpen(ProjectInfo? project)
+        {
+            if (project == null) return false;
+
+            // on testnet we always allow to invest for testing purposes.
+            if (_networkConfiguration.GetNetwork().NetworkType == NetworkType.Testnet) return true;
+
+            var now = DateTime.UtcNow;
+
+            if (now <= project.StartDate) return true;
+
+            return false;
+        }
+    }
+}

src/Angor/Shared/Services/IApplicationLogicService.cs

@@ -0,0 +1,11 @@
+using Angor.Shared.Models;
+using Blockcore.Networks;
+
+namespace Angor.Shared.Services
+{
+    public interface IApplicationLogicService
+    {
+        bool IsInvestmentWindowOpen(ProjectInfo? project);
+    }
+}
+