add hideAppNameInPdf functionality to footer in the pdf

src/Altinn.App.Core/Internal/Pdf/PdfService.cs

@@ -1,8 +1,10 @@
 using System.Globalization;
+using System.Text.Json;
 using Altinn.App.Core.Configuration;
 using Altinn.App.Core.Features;
 using Altinn.App.Core.Features.Auth;
 using Altinn.App.Core.Helpers.Extensions;
+using Altinn.App.Core.Internal.App;
 using Altinn.App.Core.Internal.Data;
 using Altinn.App.Core.Internal.Expressions;
 using Altinn.App.Core.Internal.Texts;
@@ -22,6 +24,14 @@
 /// </summary>
 public class PdfService : IPdfService
 {
+    private static readonly JsonSerializerOptions _jsonSerializerOptions = new()
+    {
+        AllowTrailingCommas = true,
+        ReadCommentHandling = JsonCommentHandling.Skip,
+        PropertyNameCaseInsensitive = true,
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+    };
+
     private readonly IDataClient _dataClient;
     private readonly IHttpContextAccessor _httpContextAccessor;
     private readonly IPdfGeneratorClient _pdfGeneratorClient;
@@ -30,6 +40,8 @@
     private readonly IAuthenticationContext _authenticationContext;
     private readonly ITranslationService _translationService;
     private readonly GeneralSettings _generalSettings;
+    private readonly IAppResources _resources;
+    private readonly ILayoutEvaluatorStateInitializer _layoutStateInit;
     private readonly InstanceDataUnitOfWorkInitializer? _instanceDataUnitOfWorkInitializer;
     private readonly Telemetry? _telemetry;
     internal const string PdfElementType = "ref-data-as-pdf";
@@ -47,6 +59,8 @@
         ILogger<PdfService> logger,
         IAuthenticationContext authenticationContext,
         ITranslationService translationService,
+        IAppResources resources,
+        ILayoutEvaluatorStateInitializer layoutStateInit,
         IServiceProvider? serviceProvider = null,
         Telemetry? telemetry = null
     )
@@ -59,6 +73,8 @@
         _logger = logger;
         _authenticationContext = authenticationContext;
         _translationService = translationService;
+        _resources = resources;
+        _layoutStateInit = layoutStateInit;
         _instanceDataUnitOfWorkInitializer = serviceProvider?.GetService<InstanceDataUnitOfWorkInitializer>();
         _telemetry = telemetry;
     }
@@ -207,7 +223,7 @@
         }
         else if (displayFooter)
         {
-            footerContent = await GetFooterContent(instance, language);
+            footerContent = await GetFooterContent(instance, taskId, language);
         }
 
         Stream pdfContent = await _pdfGeneratorClient.GeneratePdf(uri, footerContent, ct);
@@ -258,7 +274,7 @@
         {
             foreach (KeyValuePair<string, string> param in additionalQueryParams)
             {
                 url += $"&{param.Key}={param.Value}";
             }
         }
 
@@ -339,7 +355,7 @@
             </div>";
     }
 
-    private async Task<string> GetFooterContent(Instance instance, string? language)
+    private async Task<string> GetFooterContent(Instance instance, string taskId, string? language)
     {
         TimeZoneInfo timeZone = TimeZoneInfo.Utc;
         try
@@ -354,15 +370,19 @@
 
         DateTimeOffset now = TimeZoneInfo.ConvertTime(DateTimeOffset.UtcNow, timeZone);
 
-        string title = await _translationService.TranslateTextKey("appName", language) ?? "Altinn";
+        bool hideAppName = await GetHideAppNameInPdf(instance, taskId, language);
 
         string dateGenerated = now.ToString("dd.MM.yyyy HH:mm", new CultureInfo("nb-NO"));
         string altinnReferenceId = instance.Id.Split("/")[1].Split("-")[4];
 
+        string title = hideAppName
+            ? string.Empty
+            : $"<span>{await _translationService.TranslateTextKey("appName", language) ?? "Altinn"}</span>";
+
         string footerTemplate =
             $@"<div style='font-family: Inter; font-size: 12px; width: 100%; display: flex; flex-direction: row; align-items: center; gap: 12px; padding: 0 70px 0 70px;'>
                 <div style='display: flex; flex-direction: row; width: 100%; align-items: center'>
-                    <span>{title}</span>
+                    {title}
                     <div
                         id='header-template'
                         style='color: #F00; font-weight: 700; border: 1px solid #F00; padding: 6px 8px; margin-left: auto;'
@@ -380,6 +400,64 @@
         return footerTemplate;
     }
 
+    private async Task<bool> GetHideAppNameInPdf(Instance instance, string taskId, string? language)
+    {
+        string? layoutSetsString = _resources.GetLayoutSets();
+        if (string.IsNullOrEmpty(layoutSetsString))
+            return false;
+
+        try
+        {
+            using var jsonDoc = JsonDocument.Parse(
+                layoutSetsString,
+                new JsonDocumentOptions { AllowTrailingCommas = true, CommentHandling = JsonCommentHandling.Skip }
+            );
+            var root = jsonDoc.RootElement;
+
+            if (
+                !root.TryGetProperty("uiSettings", out var uiSettingsElement)
+                || !uiSettingsElement.TryGetProperty("hideAppNameInPdf", out var hideAppNameElement)
+            )
+                return false;
+
+            if (hideAppNameElement.ValueKind == JsonValueKind.True)
+                return true;
+            if (hideAppNameElement.ValueKind == JsonValueKind.False)
+                return false;
+
+            if (_instanceDataUnitOfWorkInitializer is null)
+            {
+                _logger.LogWarning(
+                    "Cannot evaluate hideAppNameInPdf expression: InstanceDataUnitOfWorkInitializer is not available"
+                );
+                return false;
+            }
+
+            var expression = hideAppNameElement.Deserialize<Expression>(_jsonSerializerOptions);
+            var dataAccessor = await _instanceDataUnitOfWorkInitializer.Init(instance, taskId, language);
+            var state = await _layoutStateInit.Init(dataAccessor, taskId, language: language);
+
+            var layoutSet = _resources.GetLayoutSetForTask(taskId);
+            DataElementIdentifier? dataElement = layoutSet?.DataType is { } dataType
+                ? instance.Data?.Find(d => d.DataType == dataType)
+                : null;
+
+            var componentContext = new ComponentContext(
+                state,
+                component: null,
+                rowIndices: null,
+                dataElementIdentifier: dataElement
+            );
+            var result = await ExpressionEvaluator.EvaluateExpression(state, expression, componentContext);
+            return result is true;
+        }
+        catch (Exception e)
+        {
+            _logger.LogWarning(e, "Failed to evaluate hideAppNameInPdf, defaulting to showing app name");
+            return false;
+        }
+    }
+
     private static List<KeyValuePair<string, string>> CreateAutoPdfTaskIdsQueryParams(
         List<string>? autoGeneratePdfForTaskIds
     )

test/Altinn.App.Api.Tests/Controllers/PdfControllerTests.cs

@@ -6,6 +6,7 @@
 using Altinn.App.Core.Internal.AppModel;
 using Altinn.App.Core.Internal.Auth;
 using Altinn.App.Core.Internal.Data;
+using Altinn.App.Core.Internal.Expressions;
 using Altinn.App.Core.Internal.Instances;
 using Altinn.App.Core.Internal.Language;
 using Altinn.App.Core.Internal.Pdf;
@@ -31,6 +32,7 @@
     private readonly string _taskId = "Task_1";
 
     private readonly Mock<IAppResources> _appResources = new();
+    private readonly Mock<ILayoutEvaluatorStateInitializer> _layoutStateInit = new();
     private readonly Mock<IDataClient> _dataClient = new();
     private readonly IOptions<PlatformSettings> _platformSettingsOptions = Options.Create<PlatformSettings>(new() { });
     private readonly Mock<IInstanceClient> _instanceClient = new();
@@ -89,7 +91,9 @@
             generalSettingsOptions,
             _logger.Object,
             _authenticationContext.Object,
-            _translationService.Object
+            _translationService.Object,
+            _appResources.Object,
+            _layoutStateInit.Object
         );
         return pdfService;
     }
@@ -150,7 +154,7 @@
                 .Returns<HttpRequestMessage, CancellationToken>(
                     async (m, c) =>
                     {
                         requestBody = await m.Content!.ReadAsStringAsync();
                         return mockResponse;
                     }
                 );
@@ -223,7 +227,7 @@
                 .Returns<HttpRequestMessage, CancellationToken>(
                     async (m, c) =>
                     {
                         requestBody = await m.Content!.ReadAsStringAsync();
                         return mockResponse;
                     }
                 );
@@ -298,7 +302,7 @@
                 .Returns<HttpRequestMessage, CancellationToken>(
                     async (m, c) =>
                     {
                         requestBody = await m.Content!.ReadAsStringAsync();
                         return mockResponse;
                     }
                 );

test/Altinn.App.Core.Tests/Internal/Pdf/PdfServiceTests.cs

@@ -6,6 +6,7 @@
 using Altinn.App.Core.Internal.App;
 using Altinn.App.Core.Internal.Auth;
 using Altinn.App.Core.Internal.Data;
+using Altinn.App.Core.Internal.Expressions;
 using Altinn.App.Core.Internal.Instances;
 using Altinn.App.Core.Internal.Language;
 using Altinn.App.Core.Internal.Pdf;
@@ -33,6 +34,7 @@ public class PdfServiceTests
     private const string HostName = "at22.altinn.cloud";
 
     private readonly Mock<IAppResources> _appResources = new();
+    private readonly Mock<ILayoutEvaluatorStateInitializer> _layoutStateInit = new();
     private readonly Mock<IDataClient> _dataClient = new();
     private readonly Mock<IHttpContextAccessor> _httpContextAccessor = new();
     private readonly Mock<IPdfGeneratorClient> _pdfGeneratorClient = new();
@@ -533,6 +535,8 @@ private PdfService SetupPdfService(
                 appResources?.Object ?? _appResources.Object,
                 FakeLoggerXunit.Get<TranslationService>(_outputHelper)
             ),
+            appResources?.Object ?? _appResources.Object,
+            _layoutStateInit.Object,
             mockServiceProvider.Object,
             telemetrySink?.Object
         );

test/Altinn.App.Core.Tests/PublicApiTests.PublicApi_ShouldNotChange_Unintentionally.verified.txt

@@ -4456,6 +4456,7 @@ namespace Altinn.App.Core.Models
     public class LayoutSets
     {
         public LayoutSets() { }
+        public Altinn.App.Core.Models.UiSettings? UiSettings { get; set; }
         public required System.Collections.Generic.List<Altinn.App.Core.Models.LayoutSet> Sets { get; set; }
     }
     public class LayoutSettings
@@ -4599,6 +4600,11 @@ namespace Altinn.App.Core.Models
         public System.Collections.Generic.List<string> ExternalStyles { get; set; }
         public System.Collections.Generic.List<string> InternalStyles { get; set; }
     }
+    public class UiSettings
+    {
+        public UiSettings() { }
+        public bool HideAppNameInPdf { get; set; }
+    }
     public class UserContext
     {
         public UserContext() { }