From 4a50ac79fe2bb356758ec7b86a407c010507f86f Mon Sep 17 00:00:00 2001
From: Tim MacDonald <hello@timacdonald.me>
Date: Wed, 10 Jul 2024 00:56:14 +1000
Subject: [PATCH] Proof of concept: Bust cloudflare cache (#333)

* Bust cloudflare cache

* wip
---
 .gitignore             |  1 +
 app/Console/Kernel.php |  3 ++-
 build/docs.sh          | 44 ++++++++++++++++++++++++++++++------------
 config/services.php    |  4 ++++
 4 files changed, 39 insertions(+), 13 deletions(-)

diff --git a/.gitignore b/.gitignore
index 52894f46..5aa43500 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,6 +5,7 @@
 /public/sitemap*.xml
 /storage/*.key
 /vendor
+/modified
 .DS_Store
 .env
 .phpunit.result.cache
diff --git a/app/Console/Kernel.php b/app/Console/Kernel.php
index cf806273..f9caa485 100644
--- a/app/Console/Kernel.php
+++ b/app/Console/Kernel.php
@@ -4,6 +4,7 @@
 
 use Illuminate\Console\Scheduling\Schedule;
 use Illuminate\Foundation\Console\Kernel as ConsoleKernel;
+use Illuminate\Support\Facades\Config;
 
 class Kernel extends ConsoleKernel
 {
@@ -26,7 +27,7 @@ protected function schedule(Schedule $schedule)
     {
         $schedule->command('sitemap:generate')->daily();
         $schedule->exec('bash /home/forge/laravel.com/build/api.sh')->daily();
-        $schedule->exec('bash /home/forge/laravel.com/build/docs.sh')->everyFiveMinutes();
+        $schedule->exec('bash /home/forge/laravel.com/build/docs.sh', Config::get(['services.cloudflare.zone', 'services.cloudflare.token']))->everyFiveMinutes();
     }
 
     /**
diff --git a/build/docs.sh b/build/docs.sh
index 57bae455..2261f698 100644
--- a/build/docs.sh
+++ b/build/docs.sh
@@ -1,14 +1,34 @@
 #!/bin/bash
+
+set -e
+
 base=${base:-/home/forge/laravel.com}
-docs=${base}/resources/docs
-
-# cd ${docs}/5.5 && git pull origin 5.5
-# cd ${docs}/5.8 && git pull origin 5.8
-# cd ${docs}/6.0 && git pull origin 6.0
-# cd ${docs}/6.x && git pull origin 6.x
-# cd ${docs}/7.x && git pull origin 7.x
-cd ${docs}/8.x && git pull origin 8.x
-cd ${docs}/9.x && git pull origin 9.x
-cd ${docs}/10.x && git pull origin 10.x
-cd ${docs}/11.x && git pull origin 11.x
-cd ${docs}/master && git pull origin master
+versions=('8.x' '9.x' '10.x' '11.x' 'master')
+
+for version in "${versions[@]}"
+do
+    cd "${base}/resources/docs/${version}"
+    previousHash=$(git rev-parse "${version}")
+    git fetch origin "${version}"
+
+    if [[ "${previousHash}" == $(git rev-parse "origin/${version}") ]]; then
+        continue
+    fi
+
+    git pull origin "${version}"
+    git diff --name-only $previousHash HEAD | while read markdownFile; do
+        echo "https://laravel.com/docs/${version}/$(basename $markdownFile '.md')" >> "${base}/modified"
+    done
+done
+
+if [ ! -f "${base}/modified" ]; then
+    exit 0
+fi
+
+files=$(jq --raw-input --slurp 'split("\n") | map(select(. != "")) | unique' "${base}/modified")
+curl -X POST --fail \
+  "https://api.cloudflare.com/client/v4/zones/${1}/purge_cache" \
+  -H 'Content-Type: application/json' \
+  -H "Authorization: Bearer ${2}" \
+  -d "{ \"files\": ${files} }"
+rm "${base}/modified"
diff --git a/config/services.php b/config/services.php
index 9aef3115..8d03c831 100644
--- a/config/services.php
+++ b/config/services.php
@@ -34,4 +34,8 @@
         'token' => env('WORKABLE_TOKEN'),
     ],
 
+    'cloudflare' => [
+        'zone' => env('CLOUDFLARE_ZONE'),
+        'token' => env('CLOUDFLARE_TOKEN'),
+    ],
 ];