Add canSerialize, deserialize to Exclude

angel_serialize_generator/lib/build_context.dart

@@ -47,7 +47,14 @@ Future<BuildContext> buildContext(
       // Skip if annotated with @exclude
       var excludeAnnotation = excludeTypeChecker.firstAnnotationOf(field);
 
-      ctx.excluded[field.name] = excludeAnnotation != null;
+      if (excludeAnnotation != null) {
+        var cr = new ConstantReader(excludeAnnotation);
+
+        ctx.excluded[field.name] = new Exclude(
+          canSerialize: cr.read('canSerialize').boolValue,
+          canDeserialize: cr.read('canDeserialize').boolValue,
+        );
+      }
 
       // Check for alias
       Alias alias;

angel_serialize_generator/lib/context.dart

@@ -13,7 +13,7 @@ class BuildContext {
   final Map<String, String> aliases = {};
 
   /// A map of fields that have been marked as to be excluded from serialization.
-  final Map<String, bool> excluded = {};
+  final Map<String, Exclude> excluded = {};
 
   /// A map of "synthetic" fields, i.e. `id` and `created_at` injected automatically.
   final Map<String, bool> shimmed = {};

angel_serialize_generator/lib/serialize.dart

@@ -69,7 +69,7 @@ class SerializerGenerator extends GeneratorForAnnotation<Serializable> {
       // Add named parameters
       for (var field in ctx.fields) {
         // Skip excluded fields
-        if (ctx.excluded[field.name] == true) continue;
+        if (ctx.excluded[field.name]?.canSerialize == false) continue;
 
         var alias = ctx.resolveFieldName(field.name);
 
@@ -129,7 +129,7 @@ class SerializerGenerator extends GeneratorForAnnotation<Serializable> {
 
       // Add named parameters
       for (var field in ctx.fields) {
-        if (ctx.excluded[field.name] == true) continue;
+        if (ctx.excluded[field.name]?.canDeserialize == false) continue;
 
         var alias = ctx.resolveFieldName(field.name);
         method.optionalParameters.add(new Parameter((b) {

angel_serialize_generator/test/book_test.dart

@@ -50,6 +50,16 @@ main() {
       expect(serializedJkRowling.keys, isNot(contains('secret')));
     });
 
+    test('heeds canDeserialize', () {
+      var map = new Map.from(serializedJkRowling)..['obscured'] = 'foo';
+      var author = AuthorSerializer.fromMap(map);
+      expect(author.obscured, 'foo');
+    });
+
+    test('heeds canSerialize', () {
+      expect(serializedJkRowling.keys, isNot(contains('obscured')));
+    });
+
     test('nested @serializable class is serialized', () {
       expect(serializedJkRowling['newest_book'], deathlyHallowsMap);
     });

angel_serialize_generator/test/models/author.dart

@@ -12,8 +12,12 @@ abstract class _Author extends Model {
   int age;
   List<Book> books;
   Book newestBook;
+
   @exclude
   String secret;
+
+  @Exclude(canDeserialize: true)
+  String obscured;
 }
 
 @serializable

angel_serialize_generator/test/models/author.g.dart

@@ -14,6 +14,7 @@ class Author extends _Author {
       this.books,
       this.newestBook,
       this.secret,
+      this.obscured,
       this.createdAt,
       this.updatedAt});
 
@@ -35,6 +36,9 @@ class Author extends _Author {
   @override
   final String secret;
 
+  @override
+  final String obscured;
+
   @override
   final DateTime createdAt;
 
@@ -48,6 +52,7 @@ class Author extends _Author {
       List<Book> books,
       Book newestBook,
       String secret,
+      String obscured,
       DateTime createdAt,
       DateTime updatedAt}) {
     return new Author(
@@ -57,6 +62,7 @@ class Author extends _Author {
         books: books ?? this.books,
         newestBook: newestBook ?? this.newestBook,
         secret: secret ?? this.secret,
+        obscured: obscured ?? this.obscured,
         createdAt: createdAt ?? this.createdAt,
         updatedAt: updatedAt ?? this.updatedAt);
   }

angel_serialize_generator/test/models/author.serializer.g.dart

@@ -13,6 +13,7 @@ abstract class AuthorSerializer {
       int age,
       List<Book> books,
       Book newestBook,
+      String obscured,
       DateTime createdAt,
       DateTime updatedAt}) {
     return new Author(
@@ -25,6 +26,7 @@ abstract class AuthorSerializer {
         newestBook: map['newest_book'] != null
             ? BookSerializer.fromMap(map['newest_book'])
             : null,
+        obscured: map['obscured'],
         createdAt: map['created_at'] != null
             ? DateTime.parse(map['created_at'])
             : null,