Re-formatted all code, added a few more lint rules. (Resolves #23)

analysis_options.yaml

@@ -1 +1,7 @@
 include: package:lints/recommended.yaml
+
+linter:
+  rules:
+    - always_use_package_imports
+    - avoid_print
+    - curly_braces_in_flow_control_structures

example/main.dart

@@ -5,13 +5,10 @@ void main() {
   final client = http.Client();
 
   // RSS feed
-  client
-      .get(Uri.parse('https://developer.apple.com/news/releases/rss/releases.rss'))
-      .then((response) {
+  client.get(Uri.parse('https://developer.apple.com/news/releases/rss/releases.rss')).then((response) {
     return response.body;
   }).then((bodyString) {
     final channel = RssFeed.parse(bodyString);
-    print(channel);
     return channel;
   });
 
@@ -20,7 +17,6 @@ void main() {
     return response.body;
   }).then((bodyString) {
     final feed = AtomFeed.parse(bodyString);
-    print(feed);
     return feed;
   });
 }

lib/domain/atom_category.dart

@@ -1,16 +1,16 @@
 import 'package:xml/xml.dart';
 
 class AtomCategory {
-  final String? term;
-  final String? scheme;
-  final String? label;
-
-  const AtomCategory(this.term, this.scheme, this.label);
-
   factory AtomCategory.parse(XmlElement element) {
     final term = element.getAttribute('term');
     final scheme = element.getAttribute('scheme');
     final label = element.getAttribute('label');
     return AtomCategory(term, scheme, label);
   }
+
+  const AtomCategory(this.term, this.scheme, this.label);
+
+  final String? term;
+  final String? scheme;
+  final String? label;
 }

lib/domain/atom_feed.dart

@@ -7,37 +7,6 @@ import 'package:dart_rss/util/helpers.dart';
 import 'package:xml/xml.dart';
 
 class AtomFeed {
-  final String? id;
-  final String? title;
-  final String? updated;
-  final List<AtomItem> items;
-
-  final List<AtomLink> links;
-  final List<AtomPerson> authors;
-  final List<AtomPerson> contributors;
-  final List<AtomCategory> categories;
-  final AtomGenerator? generator;
-  final String? icon;
-  final String? logo;
-  final String? rights;
-  final String? subtitle;
-
-  const AtomFeed({
-    this.id,
-    this.title,
-    this.updated,
-    this.items = const <AtomItem>[],
-    this.links = const <AtomLink>[],
-    this.authors = const <AtomPerson>[],
-    this.contributors = const <AtomPerson>[],
-    this.categories = const <AtomCategory>[],
-    this.generator,
-    this.icon,
-    this.logo,
-    this.rights,
-    this.subtitle,
-  });
-
   factory AtomFeed.parse(String xmlString) {
     final document = XmlDocument.parse(xmlString);
     XmlElement feedElement;
@@ -51,32 +20,47 @@ class AtomFeed {
       id: findElementOrNull(feedElement, 'id')?.innerText,
       title: findElementOrNull(feedElement, 'title')?.innerText,
       updated: findElementOrNull(feedElement, 'updated')?.innerText,
-      items: feedElement
-          .findElements('entry')
-          .map((element) => AtomItem.parse(element))
-          .toList(),
-      links: feedElement
-          .findElements('link')
-          .map((element) => AtomLink.parse(element))
-          .toList(),
-      authors: feedElement
-          .findElements('author')
-          .map((element) => AtomPerson.parse(element))
-          .toList(),
-      contributors: feedElement
-          .findElements('contributor')
-          .map((element) => AtomPerson.parse(element))
-          .toList(),
-      categories: feedElement
-          .findElements('category')
-          .map((element) => AtomCategory.parse(element))
-          .toList(),
-      generator:
-          AtomGenerator.parse(findElementOrNull(feedElement, 'generator')),
+      items: feedElement.findElements('entry').map((element) => AtomItem.parse(element)).toList(),
+      links: feedElement.findElements('link').map((element) => AtomLink.parse(element)).toList(),
+      authors: feedElement.findElements('author').map((element) => AtomPerson.parse(element)).toList(),
+      contributors: feedElement.findElements('contributor').map((element) => AtomPerson.parse(element)).toList(),
+      categories: feedElement.findElements('category').map((element) => AtomCategory.parse(element)).toList(),
+      generator: AtomGenerator.parse(findElementOrNull(feedElement, 'generator')),
       icon: findElementOrNull(feedElement, 'icon')?.innerText,
       logo: findElementOrNull(feedElement, 'logo')?.innerText,
       rights: findElementOrNull(feedElement, 'rights')?.innerText,
       subtitle: findElementOrNull(feedElement, 'subtitle')?.innerText,
     );
   }
+
+  const AtomFeed({
+    this.id,
+    this.title,
+    this.updated,
+    this.items = const <AtomItem>[],
+    this.links = const <AtomLink>[],
+    this.authors = const <AtomPerson>[],
+    this.contributors = const <AtomPerson>[],
+    this.categories = const <AtomCategory>[],
+    this.generator,
+    this.icon,
+    this.logo,
+    this.rights,
+    this.subtitle,
+  });
+
+  final String? id;
+  final String? title;
+  final String? updated;
+  final List<AtomItem> items;
+
+  final List<AtomLink> links;
+  final List<AtomPerson> authors;
+  final List<AtomPerson> contributors;
+  final List<AtomCategory> categories;
+  final AtomGenerator? generator;
+  final String? icon;
+  final String? logo;
+  final String? rights;
+  final String? subtitle;
 }

lib/domain/atom_generator.dart

@@ -1,19 +1,20 @@
 import 'package:xml/xml.dart';
 
 class AtomGenerator {
-  final String? uri;
-  final String? version;
-  final String? value;
-
-  const AtomGenerator(this.uri, this.version, this.value);
-
   static AtomGenerator? parse(XmlElement? element) {
     if (element == null) {
       return null;
     }
+
     final uri = element.getAttribute('uri');
     final version = element.getAttribute('version');
     final value = element.innerText;
     return AtomGenerator(uri, version, value);
   }
+
+  const AtomGenerator(this.uri, this.version, this.value);
+
+  final String? uri;
+  final String? version;
+  final String? value;
 }

lib/domain/atom_item.dart

@@ -7,20 +7,23 @@ import 'package:dart_rss/util/helpers.dart';
 import 'package:xml/xml.dart';
 
 class AtomItem {
-  final String? id;
-  final String? title;
-  final String? updated;
-
-  final List<AtomPerson> authors;
-  final List<AtomLink> links;
-  final List<AtomCategory> categories;
-  final List<AtomPerson> contributors;
-  final AtomSource? source;
-  final String? published;
-  final String? content;
-  final String? summary;
-  final String? rights;
-  final Media? media;
+  factory AtomItem.parse(XmlElement element) {
+    return AtomItem(
+      id: findElementOrNull(element, 'id')?.innerText,
+      title: findElementOrNull(element, 'title')?.innerText,
+      updated: findElementOrNull(element, 'updated')?.innerText,
+      authors: element.findElements('author').map((element) => AtomPerson.parse(element)).toList(),
+      links: element.findElements('link').map((element) => AtomLink.parse(element)).toList(),
+      categories: element.findElements('category').map((element) => AtomCategory.parse(element)).toList(),
+      contributors: element.findElements('contributor').map((element) => AtomPerson.parse(element)).toList(),
+      source: AtomSource.parse(findElementOrNull(element, 'source')),
+      published: findElementOrNull(element, 'published')?.innerText,
+      content: findElementOrNull(element, 'content')?.innerText,
+      summary: findElementOrNull(element, 'summary')?.innerText,
+      rights: findElementOrNull(element, 'rights')?.innerText,
+      media: Media.parse(element),
+    );
+  }
 
   const AtomItem({
     this.id,
@@ -38,33 +41,18 @@ class AtomItem {
     this.media,
   });
 
-  factory AtomItem.parse(XmlElement element) {
-    return AtomItem(
-      id: findElementOrNull(element, 'id')?.innerText,
-      title: findElementOrNull(element, 'title')?.innerText,
-      updated: findElementOrNull(element, 'updated')?.innerText,
-      authors: element
-          .findElements('author')
-          .map((element) => AtomPerson.parse(element))
-          .toList(),
-      links: element
-          .findElements('link')
-          .map((element) => AtomLink.parse(element))
-          .toList(),
-      categories: element
-          .findElements('category')
-          .map((element) => AtomCategory.parse(element))
-          .toList(),
-      contributors: element
-          .findElements('contributor')
-          .map((element) => AtomPerson.parse(element))
-          .toList(),
-      source: AtomSource.parse(findElementOrNull(element, 'source')),
-      published: findElementOrNull(element, 'published')?.innerText,
-      content: findElementOrNull(element, 'content')?.innerText,
-      summary: findElementOrNull(element, 'summary')?.innerText,
-      rights: findElementOrNull(element, 'rights')?.innerText,
-      media: Media.parse(element),
-    );
-  }
+  final String? id;
+  final String? title;
+  final String? updated;
+
+  final List<AtomPerson> authors;
+  final List<AtomLink> links;
+  final List<AtomCategory> categories;
+  final List<AtomPerson> contributors;
+  final AtomSource? source;
+  final String? published;
+  final String? content;
+  final String? summary;
+  final String? rights;
+  final Media? media;
 }

lib/domain/atom_link.dart

@@ -1,22 +1,6 @@
 import 'package:xml/xml.dart';
 
 class AtomLink {
-  final String? href;
-  final String? rel;
-  final String? type;
-  final String? hreflang;
-  final String? title;
-  final int length;
-
-  const AtomLink(
-    this.href,
-    this.rel,
-    this.type,
-    this.hreflang,
-    this.title,
-    this.length,
-  );
-
   factory AtomLink.parse(XmlElement element) {
     final href = element.getAttribute('href');
     final rel = element.getAttribute('rel');
@@ -28,6 +12,23 @@ class AtomLink {
     if (lengthElement != null) {
       length = int.tryParse(lengthElement) ?? 0;
     }
+
     return AtomLink(href, rel, type, hreflang, title, length);
   }
+
+  const AtomLink(
+    this.href,
+    this.rel,
+    this.type,
+    this.hreflang,
+    this.title,
+    this.length,
+  );
+
+  final String? href;
+  final String? rel;
+  final String? type;
+  final String? hreflang;
+  final String? title;
+  final int length;
 }

lib/domain/atom_person.dart

@@ -2,16 +2,16 @@ import 'package:dart_rss/util/helpers.dart';
 import 'package:xml/xml.dart';
 
 class AtomPerson {
-  final String? name;
-  final String? uri;
-  final String? email;
-
-  const AtomPerson(this.name, this.uri, this.email);
-
   factory AtomPerson.parse(XmlElement element) {
     final name = findElementOrNull(element, 'name')?.innerText;
     final uri = findElementOrNull(element, 'uri')?.innerText;
     final email = findElementOrNull(element, 'email')?.innerText;
     return AtomPerson(name, uri, email);
   }
+
+  const AtomPerson(this.name, this.uri, this.email);
+
+  final String? name;
+  final String? uri;
+  final String? email;
 }

lib/domain/atom_source.dart

@@ -2,19 +2,21 @@ import 'package:dart_rss/util/helpers.dart';
 import 'package:xml/xml.dart';
 
 class AtomSource {
-  final String? id;
-  final String? title;
-  final String? updated;
-
-  const AtomSource(this.id, this.title, this.updated);
-
   static AtomSource? parse(XmlElement? element) {
     if (element == null) {
       return null;
     }
+
     final id = findElementOrNull(element, 'id')?.innerText;
     final title = findElementOrNull(element, 'title')?.innerText;
     final updated = findElementOrNull(element, 'updated')?.innerText;
+
     return AtomSource(id, title, updated);
   }
+
+  const AtomSource(this.id, this.title, this.updated);
+
+  final String? id;
+  final String? title;
+  final String? updated;
 }