From 6384e27e4b2ac9b4bcd056b88eaf2f4fd4bcfa0b Mon Sep 17 00:00:00 2001
From: David Bomba <turbo124@gmail.com>
Date: Tue, 14 Feb 2023 15:33:55 +1100
Subject: [PATCH] Working on new email handlers

---
 app/Services/Email/MailBuild.php  | 304 +++++++++++++++++++++++++++++-
 app/Services/Email/MailEntity.php |   6 +-
 2 files changed, 304 insertions(+), 6 deletions(-)

diff --git a/app/Services/Email/MailBuild.php b/app/Services/Email/MailBuild.php
index 2da48294db7a..0d58130bf941 100644
--- a/app/Services/Email/MailBuild.php
+++ b/app/Services/Email/MailBuild.php
@@ -11,12 +11,310 @@
 
 namespace App\Services\Email;
 
+use App\Models\Client;
+use App\Models\Vendor;
+use App\Utils\Ninja;
+use Illuminate\Contracts\Mail\Mailable;
+use Illuminate\Mail\Mailable as MailMailable;
+use Illuminate\Support\Facades\App;
+
+/**
+ * Class assumption is that we will be emailing an entity that has an associated Invitation
+ */
 class MailBuild
 {
-    
-    public function __construct()
+
+    /**
+     * The settings object for this email
+     * @var CompanySettings $settings
+     */
+    protected $settings;
+
+    /**
+     * The HTML / Template to use for this email
+     * @var string $template
+     */
+    private string $template;
+
+    /**
+     * The locale to use for
+     * translations for this email
+     */
+    private string $locale;
+
+    private ?Client $client;
+
+    private ?Vendor $vendor;
+
+    public function __construct(public MailEntity $mail_entity)
     {
-        
+
     }
 
+    public function run(): Mailable
+    {
+        //resolve settings, if client existing - use merged - else default to company
+        $this->settings = $this->mail_entity->company->settings;
+        $this->resolveEntities();
+    }
+
+    private function resolveEntities(): self
+    {
+
+        $this->client = $this->mail_entity->mail_object->client_id ? Client::find($this->mail_entity->mail_object->client_id) : null;
+        
+        $this->vendor = $this->mail_entity->mail_object->vendor_id ? Vendor::find($this->mail_entity->mail_object->vendor_id) : null;
+            
+        $this->locale = $this->mail_entity->company->locale();
+
+        return $this;
+    }
+
+
+    /**
+     * Sets the meta data for the Email object
+     */
+    private function setMetaData(): self
+    {
+
+        $this->mail_entity->mail_object->company_key = $this->mail_entity->company->company_key;
+
+        $this->mail_entity->mail_object->logo = $this->mail_entity->company->present()->logo();
+
+        $this->mail_entity->mail_object->signature = $this->mail_entity->mail_object->signature ?: $this->settings->email_signature;
+
+        $this->mail_entity->mail_object->whitelabel = $this->mail_entity->company->account->isPaid() ? true : false;
+ 
+        return $this;
+
+    }
+
+    /**
+     * Sets the locale
+     */
+    private function setLocale(): self
+    {
+
+        if($this->mail_entity->mail_object->client_id)
+            $this->locale = $this->mail_entity->mail_object->client->locale();
+        elseif($this->mail_entity->mail_object->vendor)
+            $this->locale = $this->mail_entity->mail_object->vendor->locale();
+        else
+            $this->locale = $this->mail_entity->company->locale();
+
+        App::setLocale($this->locale);
+        App::forgetInstance('translator');
+        $t = app('translator');
+        $t->replace(Ninja::transformTranslations($this->settings));
+
+        return $this;
+    }
+
+    /**
+     * Sets the template
+     */
+    private function setTemplate(): self
+    {
+        $this->template = $this->mail_entity->mail_object->settings->email_style;
+
+         match($this->mail_entity->mail_object->settings->email_style){
+            'light' => $this->template = 'email.template.client',
+            'dark' => $this->template = 'email.template.client',
+            'custom' => $this->template = 'email.template.custom',
+            default => $this->template = 'email.template.client',
+         };
+
+         $this->mail_entity->mail_object->html_template = $this->template;
+
+        return $this;
+    }
+
+    /**
+     * Sets the FROM address
+     */
+    private function setFrom(): self
+    { 
+
+        if(Ninja::isHosted() && $this->mail_entity->mail_object->settings->email_sending_method == 'default'){
+            $this->mail_entity->mail_object->from = new Address(config('mail.from.address'), $this->mail_entity->company->owner()->name());
+            return $this;
+        }
+
+        if($this->mail_entity->mail_object->from)
+            return $this;
+
+        $this->mail_entity->mail_object->from = new Address($this->mail_entity->company->owner()->email, $this->mail_entity->company->owner()->name());
+
+        return $this;
+
+    }
+
+    /** 
+     * Sets the body of the email
+     */
+    private function setBody(): self
+    {
+
+        if($this->mail_entity->mail_object->body){
+            $this->mail_entity->mail_object->body = $this->mail_entity->mail_object->body;
+        }
+        elseif(strlen($this->mail_entity->mail_object->settings->{$this->mail_entity->mail_object->email_template_body}) > 3){
+            $this->mail_entity->mail_object->body = $this->mail_entity->mail_object->settings->{$this->mail_entity->mail_object->email_template_body};
+        }
+        else{
+            $this->mail_entity->mail_object->body = EmailTemplateDefaults::getDefaultTemplate($this->mail_entity->mail_object->email_template_body, $this->locale);
+        }
+        
+        if($this->template == 'email.template.custom'){
+            $this->mail_entity->mail_object->body = (str_replace('$body', $this->mail_entity->mail_object->body, $this->mail_entity->mail_object->settings->email_style_custom)); 
+        }
+
+        return $this;
+
+    }
+
+    /**
+     * Sets the subject of the email
+     */
+    private function setSubject(): self
+    {
+
+        if ($this->mail_entity->mail_object->subject) //where the user updates the subject from the UI                
+            return $this;
+        elseif(strlen($this->mail_entity->mail_object->settings->{$this->mail_entity->mail_object->email_template_subject}) > 3)
+            $this->mail_entity->mail_object->subject = $this->mail_entity->mail_object->settings->{$this->mail_entity->mail_object->email_template_subject};
+        else
+            $this->mail_entity->mail_object->subject = EmailTemplateDefaults::getDefaultTemplate($this->mail_entity->mail_object->email_template_subject, $this->locale);
+
+        return $this;
+
+    }
+
+    /**
+     * Sets the reply to of the email
+     */
+    private function setReplyTo(): self
+    {
+
+        $reply_to_email = str_contains($this->mail_entity->mail_object->settings->reply_to_email, "@") ? $this->mail_entity->mail_object->settings->reply_to_email : $this->mail_entity->company->owner()->email;
+
+        $reply_to_name = strlen($this->mail_entity->mail_object->settings->reply_to_name) > 3 ? $this->mail_entity->mail_object->settings->reply_to_name : $this->mail_entity->company->owner()->present()->name();
+
+        $this->mail_entity->mail_object->reply_to = array_merge($this->mail_entity->mail_object->reply_to, [new Address($reply_to_email, $reply_to_name)]);
+
+        return $this;
+    }
+
+    /**
+     * Replaces the template placeholders 
+     * with variable values.
+     */
+    public function setVariables(): self
+    {
+
+        $this->mail_entity->mail_object->body = strtr($this->mail_entity->mail_object->body, $this->mail_entity->mail_object->variables);
+        
+        $this->mail_entity->mail_object->subject = strtr($this->mail_entity->mail_object->subject, $this->mail_entity->mail_object->variables);
+
+        if($this->template != 'custom') 
+            $this->mail_entity->mail_object->body = $this->parseMarkdownToHtml($this->mail_entity->mail_object->body);
+
+        return $this;
+    }
+
+    /**
+     * Sets the BCC of the email
+     */
+    private function setBcc(): self
+    {
+        $bccs = [];
+        $bcc_array = [];
+
+        if (strlen($this->mail_entity->mail_object->settings->bcc_email) > 1) {
+
+            if (Ninja::isHosted() && $this->mail_entity->company->account->isPaid()) {
+                $bccs = array_slice(explode(',', str_replace(' ', '', $this->mail_entity->mail_object->settings->bcc_email)), 0, 2);
+            } elseif(Ninja::isSelfHost()) {
+                $bccs = (explode(',', str_replace(' ', '', $this->mail_entity->mail_object->settings->bcc_email)));
+            }
+        }
+
+        foreach($bccs as $bcc)
+        {
+            $bcc_array[] = new Address($bcc);
+        }
+        
+        $this->mail_entity->mail_object->bcc = array_merge($this->mail_entity->mail_object->bcc, $bcc_array);
+
+        return $this;
+    }
+
+    /**
+     * Sets the CC of the email
+     * @todo at some point....
+     */
+    private function buildCc()
+    {
+        return [
+        
+        ];
+    }
+
+    /** 
+     * Sets the attachments for the email
+     *
+     * Note that we base64 encode these, as they 
+     * sometimes may not survive serialization.
+     *
+     * We decode these in the Mailable later
+     */
+    private function setAttachments(): self
+    {
+        $attachments = [];
+
+        if ($this->mail_entity->mail_object->settings->document_email_attachment && $this->mail_entity->company->account->hasFeature(Account::FEATURE_DOCUMENTS)) {
+
+            foreach ($this->mail_entity->company->documents as $document) {
+
+                $attachments[] = ['file' => base64_encode($document->getFile()), 'name' => $document->name];
+                
+            }
+
+        }
+
+        $this->mail_entity->mail_object->attachments = array_merge($this->mail_entity->mail_object->attachments, $attachments);
+
+        return $this;
+
+    }
+
+    /**
+     * Sets the headers for the email
+     */
+    private function setHeaders(): self
+    {
+        if($this->mail_entity->mail_object->invitation_key)
+            $this->mail_entity->mail_object->headers = array_merge($this->mail_entity->mail_object->headers, ['x-invitation-key' => $this->mail_entity->mail_object->invitation_key]);
+
+        return $this;
+    }
+
+    /**
+     * Converts any markdown to HTML in the email
+     * 
+     * @param  string $markdown The body to convert
+     * @return string           The parsed markdown response
+     */
+    private function parseMarkdownToHtml(string $markdown): ?string
+    {
+        $converter = new CommonMarkConverter([
+            'allow_unsafe_links' => false,
+        ]);
+
+        return $converter->convert($markdown);
+    }
+
+
+
+
 }
diff --git a/app/Services/Email/MailEntity.php b/app/Services/Email/MailEntity.php
index 576910319801..5994e2597cc7 100644
--- a/app/Services/Email/MailEntity.php
+++ b/app/Services/Email/MailEntity.php
@@ -24,9 +24,9 @@ class MailEntity extends BaseMailer implements ShouldQueue
 {
     use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
 
-    protected Company $company;
+    public Company $company;
 
-    public function __construct(protected $invitation, private ?string $db, public MailObject $mail_object)
+    public function __construct(protected ?mixed $invitation, private ?string $db, public MailObject $mail_object)
     {
 
         $this->invitation = $invitation;
@@ -48,7 +48,7 @@ class MailEntity extends BaseMailer implements ShouldQueue
         $this->companyCheck();
 
         //construct mailable
-
+        $builder->run($this);
         //spam checks
 
         //what do we pass into a generaic builder?