chore: add a widget to list all blog topics

3 files changed, 44 insertions, 1 deletions

diff --git a/src/components/Widget/TopicsList/TopicsList.module.scss b/src/components/Widget/TopicsList/TopicsList.module.scss
new file mode 100644
index 0000000..5f37c7a
--- /dev/null
+++ b/src/components/Widget/TopicsList/TopicsList.module.scss
@@ -0,0 +1,7 @@
+.title {
+  margin: 0;
+}
+
+.list {
+  margin: var(--spacing-sm) 0;
+}
diff --git a/src/components/Widget/TopicsList/TopicsList.tsx b/src/components/Widget/TopicsList/TopicsList.tsx
new file mode 100644
index 0000000..fabd40d
--- /dev/null
+++ b/src/components/Widget/TopicsList/TopicsList.tsx
@@ -0,0 +1,35 @@
+import { t } from '@lingui/macro';
+import { getAllSubjects } from '@services/graphql/queries';
+import Link from 'next/link';
+import useSWR from 'swr';
+import styles from './TopicsList.module.scss';
+
+const TopicsList = () => {
+  const { data, error } = useSWR('/api/subjects', getAllSubjects);
+
+  if (error) return <div>{t`Failed to load.`}</div>;
+  if (!data) return <div>{t`Loading...`}</div>;
+
+  const sortedSubjects = [...data].sort((a, b) =>
+    a.title.localeCompare(b.title)
+  );
+
+  const subjects = sortedSubjects.map((subject) => {
+    return (
+      <li key={subject.databaseId}>
+        <Link href={`/sujet/${subject.slug}`}>
+          <a>{subject.title}</a>
+        </Link>
+      </li>
+    );
+  });
+
+  return (
+    <div>
+      <h2 className={styles.title}>{t`Topics`}</h2>
+      <ul className={styles.list}>{subjects}</ul>
+    </div>
+  );
+};
+
+export default TopicsList;
diff --git a/src/components/Widget/index.tsx b/src/components/Widget/index.tsx
index 025b302..e4e346f 100644
--- a/src/components/Widget/index.tsx
+++ b/src/components/Widget/index.tsx
@@ -1,4 +1,5 @@
 import RecentPosts from './RecentPosts/RecentPosts';
 import ThematicsList from './ThematicsList/ThematicsList';
+import TopicsList from './TopicsList/TopicsList';
 
-export { RecentPosts, ThematicsList };
+export { RecentPosts, ThematicsList, TopicsList };