feat: add utils | page

utils/getContent.js

@@ -0,0 +1,48 @@
+export default async ($content, params, error, path) => {
+  const currentPage = parseInt(params.page)
+  /**
+   * Số items trên 1 page
+   */
+  const perPage = 14
+  const allArticles = await $content(path).fetch()
+  const totalArticles = allArticles.length
+
+  /**
+   * Số trang
+   * Tổng items / items trên 1 page
+   */
+  const lastPage = Math.ceil(totalArticles / perPage)
+  const lastPageCount = totalArticles % perPage
+
+  /**
+   * Tính số items cần bỏ qua khi get
+   */
+  const skipNumber = () => {
+    if (currentPage === 1) {
+      return 0
+    }
+    if (currentPage === lastPage) {
+      return totalArticles - lastPageCount
+    }
+    return (currentPage - 1) * perPage
+  }
+
+  /**
+   * get items skip
+   */
+  const paginatedArticles = await $content(path)
+    .only(['title', 'description', 'image', 'slug', 'tags', 'published'])
+    .sortBy('published', 'desc')
+    .limit(perPage)
+    .skip(skipNumber())
+    .fetch()
+
+  if (currentPage === 0 || !paginatedArticles.length) {
+    return error({ statusCode: 404, message: 'No articles found!' })
+  }
+
+  return {
+    allArticles,
+    paginatedArticles
+  }
+}