fix(mobile): search page issues (#15804)

* fix: don't repeat search

* fix: show snackbar for no result

* fix: do not search on empty filter

* chore: syling

mobile/lib/interfaces/person_api.interface.dart

@@ -1,3 +1,6 @@
+// ignore_for_file: public_member_api_docs, sort_constructors_first
+import 'dart:convert';
+
 abstract interface class IPersonApiRepository {
   Future<List<Person>> getAll();
   Future<Person> update(String id, {String? name});
@@ -6,10 +9,10 @@ abstract interface class IPersonApiRepository {
 class Person {
   Person({
     required this.id,
+    this.birthDate,
     required this.isHidden,
     required this.name,
     required this.thumbnailPath,
-    this.birthDate,
     this.updatedAt,
   });
 
@@ -19,4 +22,80 @@ class Person {
   final String name;
   final String thumbnailPath;
   final DateTime? updatedAt;
+
+  @override
+  String toString() {
+    return 'Person(id: $id, birthDate: $birthDate, isHidden: $isHidden, name: $name, thumbnailPath: $thumbnailPath, updatedAt: $updatedAt)';
+  }
+
+  Person copyWith({
+    String? id,
+    DateTime? birthDate,
+    bool? isHidden,
+    String? name,
+    String? thumbnailPath,
+    DateTime? updatedAt,
+  }) {
+    return Person(
+      id: id ?? this.id,
+      birthDate: birthDate ?? this.birthDate,
+      isHidden: isHidden ?? this.isHidden,
+      name: name ?? this.name,
+      thumbnailPath: thumbnailPath ?? this.thumbnailPath,
+      updatedAt: updatedAt ?? this.updatedAt,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return <String, dynamic>{
+      'id': id,
+      'birthDate': birthDate?.millisecondsSinceEpoch,
+      'isHidden': isHidden,
+      'name': name,
+      'thumbnailPath': thumbnailPath,
+      'updatedAt': updatedAt?.millisecondsSinceEpoch,
+    };
+  }
+
+  factory Person.fromMap(Map<String, dynamic> map) {
+    return Person(
+      id: map['id'] as String,
+      birthDate: map['birthDate'] != null
+          ? DateTime.fromMillisecondsSinceEpoch(map['birthDate'] as int)
+          : null,
+      isHidden: map['isHidden'] as bool,
+      name: map['name'] as String,
+      thumbnailPath: map['thumbnailPath'] as String,
+      updatedAt: map['updatedAt'] != null
+          ? DateTime.fromMillisecondsSinceEpoch(map['updatedAt'] as int)
+          : null,
+    );
+  }
+
+  String toJson() => json.encode(toMap());
+
+  factory Person.fromJson(String source) =>
+      Person.fromMap(json.decode(source) as Map<String, dynamic>);
+
+  @override
+  bool operator ==(covariant Person other) {
+    if (identical(this, other)) return true;
+
+    return other.id == id &&
+        other.birthDate == birthDate &&
+        other.isHidden == isHidden &&
+        other.name == name &&
+        other.thumbnailPath == thumbnailPath &&
+        other.updatedAt == updatedAt;
+  }
+
+  @override
+  int get hashCode {
+    return id.hashCode ^
+        birthDate.hashCode ^
+        isHidden.hashCode ^
+        name.hashCode ^
+        thumbnailPath.hashCode ^
+        updatedAt.hashCode;
+  }
 }