BL-16038 Prioritize sign language for Bloom Library QR code

src/BloomExe/Book/Book.cs

@@ -5406,7 +5406,7 @@ public void UpdateSupportFiles()
             BookStorage.UpdateQrCode(
                 OurHtmlDom,
                 CollectionSettings.ShowBlorgLanguageQrCode,
-                Language1Tag,
+                CollectionSettings.PrimaryLangTagWithSignPrioritized,
                 CollectionSettings.BadgeQrCodeLabelLocalizedWithLang,
                 FolderPath
             );

src/BloomExe/Collection/CollectionSettings.cs

@@ -421,7 +421,7 @@ public string BadgeQrCodeLabelLocalizedWithLang
                 var pattern = BadgeQrCodeLabelLocalized;
                 try
                 {
-                    return string.Format(pattern, Language1.Name);
+                    return string.Format(pattern, PrimaryLanguageWithSignPrioritized);
                 }
                 catch (FormatException)
                 {
@@ -431,6 +431,13 @@ public string BadgeQrCodeLabelLocalizedWithLang
             }
         }
 
+        // For the Books on Blorg Progress Bar and QR Code, if a Sign Language is defined, we use that.
+        public string PrimaryLangTagWithSignPrioritized =>
+            string.IsNullOrEmpty(SignLanguageTag) ? Language1Tag : SignLanguageTag;
+
+        public string PrimaryLanguageWithSignPrioritized =>
+            string.IsNullOrEmpty(SignLanguageTag) ? Language1.Name : SignLanguage.Name;
+
         public string BadgeQrCodeLabelLocalized
         {
             get

src/BloomExe/web/controllers/CollectionApi.cs

@@ -403,14 +403,12 @@ private void HandleRemoveSourceFolder(ApiRequest request)
             }
         }
 
-        // Currently only used by Books on Blorg Progress Bar; if a Sign Language is defined, we use that.
+        // Currently only used by Books on Blorg Progress Bar
         private void HandleGetBookCountByLanguage(ApiRequest request)
         {
             if (request.HttpMethod == HttpMethods.Post)
                 return; // should be Get
-            var langTag = string.IsNullOrEmpty(_settings.SignLanguageTag)
-                ? _settings.Language1Tag
-                : _settings.SignLanguageTag;
+            var langTag = _settings.PrimaryLangTagWithSignPrioritized;
             var bloomLibraryApiClient = new BloomLibraryBookApiClient();
             int count;
             try

src/BloomTests/Collection/CollectionSettingsTests.cs

@@ -61,6 +61,43 @@ public void Language1TagChanged_NameChangedToo()
             Assert.AreEqual("English", settings.Language1.GetNameInLanguage("en"));
         }
 
+        [Test]
+        public void PrimaryLanguage_WithoutSignLanguage_UsesLanguage1()
+        {
+            var settings = new CollectionSettings();
+            settings.Language1Tag = "abc";
+            settings.Language1.SetName("Language One", true);
+            settings.BadgeQrCodeLabel = "Get more books in the {0} language on BloomLibrary.org.";
+
+            Assert.That(settings.PrimaryLangTagWithSignPrioritized, Is.EqualTo("abc"));
+            Assert.That(settings.PrimaryLanguageWithSignPrioritized, Is.EqualTo("Language One"));
+            Assert.That(
+                settings.BadgeQrCodeLabelLocalizedWithLang,
+                Is.EqualTo("Get more books in the Language One language on BloomLibrary.org.")
+            );
+        }
+
+        [Test]
+        public void PrimaryLanguage_WithSignLanguage_UsesSignLanguage()
+        {
+            var settings = new CollectionSettings();
+            settings.Language1Tag = "abc";
+            settings.Language1.SetName("Language One", true);
+            settings.SignLanguageTag = "sgn";
+            settings.SignLanguage.SetName("Sign Language Name", true);
+            settings.BadgeQrCodeLabel = "Get more books in the {0} language on BloomLibrary.org.";
+
+            Assert.That(settings.PrimaryLangTagWithSignPrioritized, Is.EqualTo("sgn"));
+            Assert.That(
+                settings.PrimaryLanguageWithSignPrioritized,
+                Is.EqualTo("Sign Language Name")
+            );
+            Assert.That(
+                settings.BadgeQrCodeLabelLocalizedWithLang,
+                Is.EqualTo("Get more books in the Sign Language Name language on BloomLibrary.org.")
+            );
+        }
+
         [Test]
         public void PageNumberStyle_BadNameInFile()
         {