DB Models for Image, Album, based on Data

src/core/Album.js

@@ -0,0 +1,40 @@
+const Data = require('./Data')
+const Image = require('./Image')
+const {find, findOne} = require('../lib/store')
+
+const store = () => Data.getStore(Album)
+
+class Album {
+	static async find(query, options = {}) {
+		const items = await find(store(), query, options)
+
+		return Promise.all(items.map(processAlbum))
+	}
+
+	static async findById(id) {
+		const item = await findOne(store(), {id})
+
+		return !item
+			? null
+			: processAlbum(item)
+	}
+}
+
+const previewFromImage = (imgs = []) => imgs.length ? imgs[0] : null
+
+const processAlbum = async album => {
+	const previewImageId = album.preview ? album.preview : previewFromImage(album.images)
+	let preview
+	if (previewImageId) {
+		const image = await Image.findById(previewImageId)
+		preview = image.data.medium
+	}
+
+	return {
+		...album,
+		preview,
+		url: `/album/${album.id}`,
+	}
+}
+
+module.exports = Album