feat: initial view queries

views/content/links.psql

@@ -0,0 +1,36 @@
+CREATE OR REPLACE VIEW optimized_links AS
+SELECT
+    l.id,
+    l.title,
+    l.date,
+    l.description,
+    l.link,
+    a.mastodon,
+    a.name,
+    json_build_object(
+        'name', a.name,
+        'url', a.url,
+        'mastodon', a.mastodon
+    ) AS author,
+    'link' AS type,
+
+    (
+        SELECT array_agg(t.name)
+        FROM links_tags lt
+        LEFT JOIN tags t ON lt.tags_id = t.id
+        WHERE lt.links_id = l.id
+    ) AS tags,
+
+    json_build_object(
+        'title', CONCAT(l.title, ' via ', a.name),
+        'url', l.link,
+        'description', l.description,
+        'date', l.date
+    ) AS feed
+
+FROM
+    links l
+JOIN
+    authors a ON l.author = a.id
+ORDER BY
+    l.date DESC;