From 47b6a1f4560383dd07ecc3c7f691d72c958df7d2 Mon Sep 17 00:00:00 2001
From: Al Asad Nur Riyad <alasadnurriyad@Als-MacBook-Pro.local>
Date: Sat, 5 Aug 2023 01:18:51 +0600
Subject: [PATCH] Add pagination feature for blog post

Signed-off-by: Al Asad Nur Riyad <alasadnurriyad@Als-MacBook-Pro.local>
---
 components/blog/Loader.vue | 23 ++++++++++++
 package.json               |  4 +-
 pages/blogs/index.vue      | 76 +++++++++++++++++++++++++++++++-------
 plugins/formik.client.ts   |  6 +++
 yarn.lock                  | 10 +++++
 5 files changed, 104 insertions(+), 15 deletions(-)
 create mode 100644 components/blog/Loader.vue
 create mode 100644 plugins/formik.client.ts

diff --git a/components/blog/Loader.vue b/components/blog/Loader.vue
new file mode 100644
index 0000000..f36d264
--- /dev/null
+++ b/components/blog/Loader.vue
@@ -0,0 +1,23 @@
+<script>
+import { ContentLoader } from 'vue-content-loader'
+
+export default {
+  components: { ContentLoader },
+}
+</script>
+
+<template>
+  <ContentLoader
+    viewBox="0 0 400 160"
+    :speed="2"
+    primary-color="#c9c9c9"
+    secondary-color="#ecebeb"
+  >
+    <rect x="10" y="13" rx="0" ry="0" width="95" height="86" />
+    <rect x="119" y="19" rx="0" ry="0" width="219" height="16" />
+    <rect x="119" y="49" rx="0" ry="0" width="277" height="16" />
+    <rect x="119" y="82" rx="0" ry="0" width="56" height="14" />
+    <rect x="195" y="82" rx="0" ry="0" width="56" height="14" />
+    <rect x="272" y="82" rx="0" ry="0" width="56" height="14" />
+  </ContentLoader>
+</template>
diff --git a/package.json b/package.json
index 2ad5a85..f00b4ea 100644
--- a/package.json
+++ b/package.json
@@ -11,6 +11,7 @@
   },
   "devDependencies": {
     "@antfu/eslint-config": "^0.38.5",
+    "@formkit/auto-animate": "^0.7.0",
     "@nuxt/content": "^2.7.2",
     "@nuxt/image-edge": "^1.0.0-27840416.dc1ed65",
     "@nuxtjs/fontaine": "^0.2.5",
@@ -21,6 +22,7 @@
     "nuxt": "^3.6.5",
     "nuxt-icon": "^0.4.0",
     "nuxt-simple-sitemap": "^3.1.3",
-    "typescript": "^5.0.4"
+    "typescript": "^5.0.4",
+    "vue-content-loader": "^2.0.1"
   }
 }
diff --git a/pages/blogs/index.vue b/pages/blogs/index.vue
index 99e87ec..1f65e6a 100644
--- a/pages/blogs/index.vue
+++ b/pages/blogs/index.vue
@@ -1,6 +1,9 @@
 <script lang="ts" setup>
 const { data } = await useAsyncData('home', () => queryContent('/blogs').sort({ _id: -1 }).find())
 
+const elementPerPgae = ref(4)
+const pageNumber = ref(1)
+
 const formatedData = computed(() => {
   return data.value?.map((articles) => {
     return {
@@ -14,9 +17,36 @@ const formatedData = computed(() => {
       tags: articles.tags || [],
       published: articles.published || false,
     }
-  })
+  }) || []
 })
 
+const paginatedData = computed(() => {
+  return formatedData.value.filter((data, idx) => {
+    const startInd = ((pageNumber.value - 1) * elementPerPgae.value)
+    const endInd = (pageNumber.value * elementPerPgae.value) - 1
+
+    if (idx >= startInd && idx <= endInd)
+      return true
+    else return false
+  }) || []
+})
+
+function onPreviousPageClick() {
+  if (pageNumber.value > 1)
+    pageNumber.value -= 1
+}
+
+const isNextpageAvailable = computed(() => {
+  if (pageNumber.value * elementPerPgae.value <= formatedData.value.length)
+    return true
+  else return false
+})
+
+function onNextPageClick() {
+  if (isNextpageAvailable.value)
+    pageNumber.value += 1
+}
+
 useHead({
   title: 'Archive',
   meta: [
@@ -32,20 +62,38 @@ useHead({
 <template>
   <main class="container max-w-5xl mx-auto text-zinc-600">
     <ArchiveHero />
-    <div class="space-y-5 my-5">
-      <template v-for="post in formatedData" :key="post.title">
-        <ArchiveCard
-          :path="post.path"
-          :title="post.title"
-          :date="post.date"
-          :description="post.description"
-          :image="post.image"
-          :alt="post.alt"
-          :og-image="post.ogImage"
-          :tags="post.tags"
-          :published="post.published"
-        />
+    <ClientOnly>
+      <div v-auto-animate class="space-y-5 my-5">
+        <template v-for="post in paginatedData" :key="post.title">
+          <ArchiveCard
+            :path="post.path"
+            :title="post.title"
+            :date="post.date"
+            :description="post.description"
+            :image="post.image"
+            :alt="post.alt"
+            :og-image="post.ogImage"
+            :tags="post.tags"
+            :published="post.published"
+          />
+        </template>
+      </div>
+
+      <template #fallback>
+        <!-- this will be rendered on server side -->
+        <BlogLoader />
+        <BlogLoader />
       </template>
+    </ClientOnly>
+
+    <div class="flex justify-center items-center space-x-6">
+      <button :disabled="pageNumber <= 1" @click="onPreviousPageClick">
+        <Icon name="mdi:code-less-than" size="30" :class="{ 'text-sky-700': pageNumber > 1 }" />
+      </button>
+      <p>{{ pageNumber }}</p>
+      <button :disabled="!isNextpageAvailable" @click="onNextPageClick">
+        <Icon name="mdi:code-greater-than" size="30" :class="{ 'text-sky-700': isNextpageAvailable }" />
+      </button>
     </div>
   </main>
 </template>
diff --git a/plugins/formik.client.ts b/plugins/formik.client.ts
new file mode 100644
index 0000000..100cfa0
--- /dev/null
+++ b/plugins/formik.client.ts
@@ -0,0 +1,6 @@
+import { autoAnimatePlugin } from '@formkit/auto-animate/vue'
+
+export default defineNuxtPlugin((nuxtApp) => {
+  // Doing something with nuxtApp
+  nuxtApp.vueApp.use(autoAnimatePlugin)
+})
diff --git a/yarn.lock b/yarn.lock
index 84a104d..21950c8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -642,6 +642,11 @@
   resolved "https://registry.yarnpkg.com/@fastify/accept-negotiator/-/accept-negotiator-1.1.0.tgz#c1c66b3b771c09742a54dd5bc87c582f6b0630ff"
   integrity sha512-OIHZrb2ImZ7XG85HXOONLcJWGosv7sIvM2ifAPQVhg9Lv7qdmMBNVaai4QTdyuaqbKM5eO6sLSQOYI7wEQeCJQ==
 
+"@formkit/auto-animate@^0.7.0":
+  version "0.7.0"
+  resolved "https://registry.yarnpkg.com/@formkit/auto-animate/-/auto-animate-0.7.0.tgz#7a68df578e972d63d999378571ce6e012d9059ae"
+  integrity sha512-RczHUr0AhRPssREoNdRjLfk2b/id9/DFnbIq18QM8L7E4zNV3XH+WO480EZ46BQHDEsv76YPJ0JbG2Y2i3GfXw==
+
 "@humanwhocodes/config-array@^0.11.10":
   version "0.11.10"
   resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.11.10.tgz#5a3ffe32cc9306365fb3fd572596cd602d5e12d2"
@@ -8330,6 +8335,11 @@ vue-bundle-renderer@^1.0.3:
   dependencies:
     ufo "^1.1.1"
 
+vue-content-loader@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/vue-content-loader/-/vue-content-loader-2.0.1.tgz#c6a3ff0e653671e5e8cff9e0c3814e6d04d3411d"
+  integrity sha512-pkof4+q2xmzNEdhqelxtJejeP/vQUJtLle4/v2ueG+HURqM9Q/GIGC8GJ2bVVWeLfTDET51jqimwQdmxJTlu0g==
+
 vue-devtools-stub@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/vue-devtools-stub/-/vue-devtools-stub-0.1.0.tgz#a65b9485edecd4273cedcb8102c739b83add2c81"