TF-4356 Add filter event mail in search (#4357)

* Add `Events` filter checkbox in Advanced Search form
* Perform search email by `Events` filter in Advanced Search form
* Add `Event` quick search button in Search view
* Use `keywords` replace to `headers` for search event filter

lib/features/mailbox_dashboard/presentation/controller/advanced_filter_controller.dart

@@ -37,6 +37,7 @@ class AdvancedFilterController extends BaseController {
   final hasAttachment = false.obs;
   final isStarred = false.obs;
   final isUnread = false.obs;
+  final hasEvents = false.obs;
   final startDate = Rxn<DateTime>();
   final endDate = Rxn<DateTime>();
   final sortOrderType = SearchEmailFilter.defaultSortOrder.obs;
@@ -188,10 +189,12 @@ class AdvancedFilterController extends BaseController {
 
     final unreadOption = Some(isUnread.value);
 
-    final hasKeywordOption = option(
-      isStarred.isTrue,
-      {KeyWordIdentifier.emailFlagged.value},
-    );
+    final listKeywords = {
+      if(isStarred.isTrue) KeyWordIdentifier.emailFlagged.value,
+      if(hasEvents.isTrue) KeyWordIdentifierExtension.eventsMail.value,
+    };
+    final hasKeywordOption =
+        optionOf(listKeywords.isNotEmpty ? listKeywords : null);
 
     final labelOption = optionOf(selectedLabel.value);
 
@@ -296,6 +299,9 @@ class AdvancedFilterController extends BaseController {
     isStarred.value = _memorySearchFilter.hasKeyword
         .contains(KeyWordIdentifier.emailFlagged.value);
 
+    hasEvents.value = _memorySearchFilter.hasKeyword
+        .contains(KeyWordIdentifierExtension.eventsMail.value);
+
     if (_memorySearchFilter.from.isEmpty) {
       listFromEmailAddress.clear();
     } else {
@@ -486,6 +492,7 @@ class AdvancedFilterController extends BaseController {
     hasAttachment.value = false;
     isUnread.value = false;
     isStarred.value = false;
+    hasEvents.value = false;
     selectedFolderName.value = null;
     listFromEmailAddress.clear();
     listToEmailAddress.clear();
@@ -568,21 +575,36 @@ class AdvancedFilterController extends BaseController {
 
   void onStarredCheckboxChanged(bool? isChecked) {
     isStarred.value = isChecked ?? false;
-    final listHasKeywordFiltered = _memorySearchFilter.hasKeyword;
-    if (isStarred.isTrue) {
-      listHasKeywordFiltered.add(KeyWordIdentifier.emailFlagged.value);
-    } else {
-      listHasKeywordFiltered.remove(KeyWordIdentifier.emailFlagged.value);
-    }
-    _updateMemorySearchFilter(
-      hasKeywordOption: Some(listHasKeywordFiltered),
+    _updateKeywordsSearchFilter(
+      isStarred.isTrue,
+      KeyWordIdentifier.emailFlagged,
     );
   }
 
   void onUnreadCheckboxChanged(bool? isChecked) {
     isUnread.value = isChecked ?? false;
     _updateMemorySearchFilter(
-      unreadOption: isStarred.isTrue ? const Some(true) : const None(),
+      unreadOption: isUnread.isTrue ? const Some(true) : const None(),
+    );
+  }
+
+  void _updateKeywordsSearchFilter(bool isChecked, KeyWordIdentifier keyword) {
+    final listHasKeywordFiltered = _memorySearchFilter.hasKeyword;
+    if (isChecked) {
+      listHasKeywordFiltered.add(keyword.value);
+    } else {
+      listHasKeywordFiltered.remove(keyword.value);
+    }
+    _updateMemorySearchFilter(
+      hasKeywordOption: Some(listHasKeywordFiltered),
+    );
+  }
+
+  void onEventsCheckboxChanged(bool? isChecked) {
+    hasEvents.value = isChecked ?? false;
+    _updateKeywordsSearchFilter(
+      hasEvents.isTrue,
+      KeyWordIdentifierExtension.eventsMail,
     );
   }
 

lib/features/mailbox_dashboard/presentation/controller/input_field_focus_manager.dart

@@ -12,6 +12,7 @@ class InputFieldFocusManager {
   late FocusNode attachmentCheckboxFocusNode;
   late FocusNode starredCheckboxFocusNode;
   late FocusNode unreadCheckboxFocusNode;
+  late FocusNode eventsCheckboxFocusNode;
 
   InputFieldFocusManager() {
     fromFieldFocusNode = FocusNode();
@@ -23,6 +24,7 @@ class InputFieldFocusManager {
     attachmentCheckboxFocusNode = FocusNode();
     starredCheckboxFocusNode = FocusNode();
     unreadCheckboxFocusNode = FocusNode();
+    eventsCheckboxFocusNode = FocusNode();
   }
 
   factory InputFieldFocusManager.initial() {
@@ -39,5 +41,6 @@ class InputFieldFocusManager {
     attachmentCheckboxFocusNode.dispose();
     starredCheckboxFocusNode.dispose();
     unreadCheckboxFocusNode.dispose();
+    eventsCheckboxFocusNode.dispose();
   }
 }

lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart

@@ -2394,6 +2394,7 @@ class MailboxDashBoardController extends ReloadableController
       case QuickSearchFilter.starred:
       case QuickSearchFilter.unread:
       case QuickSearchFilter.labels:
+      case QuickSearchFilter.events:
         deleteQuickSearchFilter(filter: searchFilter);
         break;
       default: