refactor: replace custom CRM with Monica fork

app/Services/Contact/Avatar/GenerateDefaultAvatar.php

@@ -0,0 +1,120 @@
+<?php
+
+namespace App\Services\Contact\Avatar;
+
+use Illuminate\Support\Str;
+use App\Services\BaseService;
+use App\Models\Contact\Contact;
+use Illuminate\Support\Facades\Cache;
+use Laravolt\Avatar\Facade as Avatar;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Contracts\Filesystem\FileNotFoundException;
+
+class GenerateDefaultAvatar extends BaseService
+{
+    /**
+     * Get the validation rules that apply to the service.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'contact_id' => 'required|integer|exists:contacts,id',
+        ];
+    }
+
+    /**
+     * Generate the default image for the avatar, based on the initals of the
+     * contact and returns the filename.
+     *
+     * @param  array  $data
+     * @return Contact
+     */
+    public function execute(array $data)
+    {
+        $this->validate($data);
+
+        $contact = Contact::find($data['contact_id']);
+
+        $contact = $this->generateContactUUID($contact);
+
+        // delete existing default avatar
+        $contact = $this->deleteExistingDefaultAvatar($contact);
+
+        // create new avatar
+        $filename = $this->createNewAvatar($contact);
+
+        $contact->avatar_default_url = $filename;
+        $contact->save();
+
+        Cache::forget('etag'.Str::before('?', $filename));
+
+        return $contact;
+    }
+
+    /**
+     * Create an uuid for the contact if it does not exist.
+     *
+     * @param  Contact  $contact
+     * @return Contact
+     */
+    private function generateContactUUID(Contact $contact)
+    {
+        if (! $contact->uuid) {
+            $contact->uuid = Str::uuid()->toString();
+            $contact->save();
+        }
+
+        return $contact;
+    }
+
+    /**
+     * Create a new avatar for the contact based on the name of the contact.
+     *
+     * @param  Contact  $contact
+     * @return string
+     */
+    private function createNewAvatar(Contact $contact)
+    {
+        $img = null;
+        try {
+            $img = Avatar::create($contact->name)
+                ->setBackground($contact->default_avatar_color)
+                ->getImageObject()
+                ->encode('jpg');
+
+            $filename = 'avatars/'.$contact->uuid.'.jpg';
+            Storage::disk(config('filesystems.default'))
+                ->put($filename, $img, config('filesystems.default_visibility'));
+
+            // This will force the browser to reload the new avatar
+            return $filename.'?'.now()->format('U');
+        } finally {
+            if ($img) {
+                $img->destroy();
+            }
+        }
+    }
+
+    /**
+     * Delete the existing default avatar.
+     *
+     * @param  Contact  $contact
+     * @return Contact
+     */
+    private function deleteExistingDefaultAvatar(Contact $contact)
+    {
+        if ($contact->avatar_default_url !== null) {
+            try {
+                Storage::disk(config('filesystems.default'))
+                    ->delete($contact->avatar_default_url);
+                $contact->avatar_default_url = null;
+            } catch (FileNotFoundException $e) {
+                // ignore
+            }
+        }
+
+        return $contact;
+    }
+}