implement collections page

packages/server/src/collection/collection.ts

@@ -0,0 +1,59 @@
+import type { User } from "@markone/core"
+import type { Collection } from "@markone/core"
+import { db } from "~/database.js"
+
+function findCollections(user: User): Collection[] {
+	const collectionsQuery = db.query<Collection, { userId: string }>(`
+    SELECT id, name, description 
+    FROM collections 
+    WHERE user_id = $userId
+  `)
+	return collectionsQuery.all({ userId: user.id })
+}
+
+function insertCollection(collection: Collection, user: User): void {
+	const query = db.query(`
+    INSERT INTO collections (id, user_id, name, description)
+    VALUES ($id, $userId, $name, $description)
+  `)
+
+	query.run({
+		id: collection.id,
+		userId: user.id,
+		name: collection.name,
+		description: collection.description,
+	})
+}
+
+function updateCollection(collection: Collection, user: User): void {
+	db.query(`
+    UPDATE collections 
+    SET name = $name, description = $description
+    WHERE id = $id AND user_id = $userId
+  `).run({
+		id: collection.id,
+		userId: user.id,
+		name: collection.name,
+		description: collection.description,
+	})
+}
+
+function deleteCollection(collectionId: string, user: User): void {
+	db.query(`
+    DELETE FROM collections 
+    WHERE id = $id AND user_id = $userId
+  `).run({
+		id: collectionId,
+		userId: user.id,
+	})
+}
+
+function findCollectionById(collectionId: string, user: User): Collection | null {
+	return db.query<Collection, { id: string; userId: string }>(`
+    SELECT * 
+    FROM collections 
+    WHERE id = $id AND user_id = $userId
+  `).get({ id: collectionId, userId: user.id })
+}
+
+export { findCollections, insertCollection, updateCollection, deleteCollection, findCollectionById }