From 797d93c523b3b1e33fed6c720df40b5e574b7ab7 Mon Sep 17 00:00:00 2001
From: Mikkel Svartveit <mikkel.svartveit@gmail.com>
Date: Mon, 13 May 2024 00:39:58 -0700
Subject: [PATCH] Add view counter to articles

---
 .gitignore                               |  3 ++
 astro.config.mjs                         |  8 ++++++
 src/actions/index.ts                     | 18 ++++++++++++
 src/components/ArticleViewCounter.svelte | 35 ++++++++++++++++++++++++
 src/env.d.ts                             |  1 +
 src/pages/articles/[article].astro       | 21 ++++++++------
 wrangler.toml                            |  7 +++--
 7 files changed, 82 insertions(+), 11 deletions(-)
 create mode 100644 src/actions/index.ts
 create mode 100644 src/components/ArticleViewCounter.svelte

diff --git a/.gitignore b/.gitignore
index 6d4c0aa..5e13c1d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,3 +19,6 @@ pnpm-debug.log*
 
 # macOS-specific files
 .DS_Store
+
+# Cloudflare
+/.wrangler
\ No newline at end of file
diff --git a/astro.config.mjs b/astro.config.mjs
index 4ab7dd5..f9f6ae4 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -13,4 +13,12 @@ export default defineConfig({
       enabled: true,
     },
   }),
+  vite: {
+    ssr: {
+      external: ["node:async_hooks"],
+    },
+  },
+  experimental: {
+    actions: true,
+  },
 });
diff --git a/src/actions/index.ts b/src/actions/index.ts
new file mode 100644
index 0000000..920b72c
--- /dev/null
+++ b/src/actions/index.ts
@@ -0,0 +1,18 @@
+import { defineAction, z, getApiContext } from "astro:actions";
+
+export const server = {
+  registerView: defineAction({
+    input: z.object({ articleSlug: z.string() }),
+    handler: async ({ articleSlug }) => {
+      const context = getApiContext();
+
+      // @ts-ignore
+      const { ViewCountKV } = context.locals.runtime.env;
+
+      let viewCount = (await ViewCountKV.get(articleSlug)) || 0;
+      await ViewCountKV.put(articleSlug, ++viewCount);
+
+      return viewCount;
+    },
+  }),
+};
diff --git a/src/components/ArticleViewCounter.svelte b/src/components/ArticleViewCounter.svelte
new file mode 100644
index 0000000..122f3b2
--- /dev/null
+++ b/src/components/ArticleViewCounter.svelte
@@ -0,0 +1,35 @@
+<script lang="ts">
+  import { actions } from "astro:actions";
+  import { onMount } from "svelte";
+
+  export let articleSlug: string;
+
+  let counter: number | null = null;
+
+  onMount(async () => {
+    const readCount = await actions.registerView({ articleSlug });
+
+    counter = readCount;
+  });
+</script>
+
+{#if counter !== null}
+  <span class="px-2">⋅</span>
+
+  <span class="inline-flex items-center space-x-1">
+    <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512" height="12">
+      <!--!Font Awesome Free 6.5.2 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
+      <style>
+        svg {
+          fill: currentColor;
+        }
+      </style>
+
+      <path
+        d="M288 32c-80.8 0-145.5 36.8-192.6 80.6C48.6 156 17.3 208 2.5 243.7c-3.3 7.9-3.3 16.7 0 24.6C17.3 304 48.6 356 95.4 399.4C142.5 443.2 207.2 480 288 480s145.5-36.8 192.6-80.6c46.8-43.5 78.1-95.4 93-131.1c3.3-7.9 3.3-16.7 0-24.6c-14.9-35.7-46.2-87.7-93-131.1C433.5 68.8 368.8 32 288 32zM144 256a144 144 0 1 1 288 0 144 144 0 1 1 -288 0zm144-64c0 35.3-28.7 64-64 64c-7.1 0-13.9-1.2-20.3-3.3c-5.5-1.8-11.9 1.6-11.7 7.4c.3 6.9 1.3 13.8 3.2 20.7c13.7 51.2 66.4 81.6 117.6 67.9s81.6-66.4 67.9-117.6c-11.1-41.5-47.8-69.4-88.6-71.1c-5.8-.2-9.2 6.1-7.4 11.7c2.1 6.4 3.3 13.2 3.3 20.3z"
+      />
+    </svg>
+
+    <span>{counter}</span>
+  </span>
+{/if}
diff --git a/src/env.d.ts b/src/env.d.ts
index acef35f..83f08d1 100644
--- a/src/env.d.ts
+++ b/src/env.d.ts
@@ -1,2 +1,3 @@
+/// <reference path="../.astro/actions.d.ts" />
 /// <reference path="../.astro/types.d.ts" />
 /// <reference types="astro/client" />
diff --git a/src/pages/articles/[article].astro b/src/pages/articles/[article].astro
index 19683d4..854627e 100644
--- a/src/pages/articles/[article].astro
+++ b/src/pages/articles/[article].astro
@@ -5,6 +5,7 @@ import TextContentLayout from "@layouts/TextContentLayout.astro";
 import type { GetStaticPaths } from "astro";
 import { getCollection } from "astro:content";
 import ProseLayout from "@layouts/ProseLayout.astro";
+import ArticleViewCounter from "@components/ArticleViewCounter.svelte";
 
 export const getStaticPaths = (async () => {
   const blogCollection = await getCollection("blog");
@@ -25,14 +26,18 @@ const title = headings[0].text;
 <BaseLayout {title} description={intro}>
   <ContainerLayout>
     <TextContentLayout>
-      <p class="mx-auto mb-4 text-gray-500">
-        {
-          new Date(date).toLocaleDateString("en-US", {
-            month: "long",
-            day: "numeric",
-            year: "numeric",
-          })
-        }
+      <p class="mx-auto mb-4 flex items-center text-gray-500">
+        <span>
+          {
+            new Date(date).toLocaleDateString("en-US", {
+              month: "long",
+              day: "numeric",
+              year: "numeric",
+            })
+          }
+        </span>
+
+        <ArticleViewCounter articleSlug={project.slug} client:only="svelte" />
       </p>
 
       <ProseLayout>
diff --git a/wrangler.toml b/wrangler.toml
index c44fe1d..6f24bd7 100644
--- a/wrangler.toml
+++ b/wrangler.toml
@@ -1,7 +1,8 @@
-# Generated by Wrangler on Sun May 12 2024 19:58:01 GMT-0700 (Pacific Daylight Time)
 name = "astro-personal-website"
 pages_build_output_dir = "dist"
 compatibility_date = "2023-10-15"
+compatibility_flags = ["nodejs_compat"]
 
-[env.production]
-compatibility_date = "2023-10-15"
+[[kv_namespaces]]
+binding = "ViewCountKV"
+id = "682c01c937f94375aeec197e89074c10"