web feed intermediate

2025-02-28 14:31:07 +01:00
parent 3c4d479bd9
commit 2a2311253b
51 changed files with 5503 additions and 0 deletions
@@ -0,0 +1,57 @@
+import 'package:collection/collection.dart';
+import 'package:lensai/extensions/nullable.dart';
+import 'package:lensai/features/web_feed/data/models/feed_author.dart';
+import 'package:lensai/features/web_feed/data/models/feed_category.dart';
+import 'package:lensai/features/web_feed/data/models/feed_link.dart';
+import 'package:rss_dart/dart_rss.dart';
+
+extension ParseAtomLink on List<AtomLink> {
+  List<FeedLink> toFeedLinks() {
+    return map((link) {
+      final uri = link.href.mapNotNull(Uri.tryParse);
+      if (uri == null) {
+        return null;
+      }
+
+      final relation = link.rel.mapNotNull(
+        (rel) => FeedLinkRelation.values.firstWhereOrNull((e) => e.name == rel),
+      );
+
+      return FeedLink(
+        uri: uri,
+        relation: relation,
+        title: link.title.whenNotEmpty,
+      );
+    }).nonNulls.toList();
+  }
+}
+
+extension ParseAtomCategory on List<AtomCategory> {
+  List<FeedCategory> toFeedCategories() {
+    return where((category) => category.term.isNotEmpty)
+        .map(
+          (category) => FeedCategory(
+            id: category.term!,
+            title: category.label.whenNotEmpty,
+          ),
+        )
+        .toList();
+  }
+}
+
+extension ParseAtomPerson on List<AtomPerson> {
+  List<FeedAuthor> toFeedAuthors() {
+    return where(
+          (author) =>
+              author.name.whenNotEmpty != null ||
+              author.email.whenNotEmpty != null,
+        )
+        .map(
+          (author) => FeedAuthor(
+            name: author.name.whenNotEmpty,
+            email: author.email.whenNotEmpty,
+          ),
+        )
+        .toList();
+  }
+}