From f1c5b6c282e34a9e6b5c140371acd623c7b50d60 Mon Sep 17 00:00:00 2001
From: emkael <emkael@tlen.pl>
Date: Mon, 31 Oct 2016 21:57:54 +0100
Subject:  * mail templating module

---
 app/frontend/application.xml                 |  2 +
 app/frontend/mail/MailModule.php             | 95 ++++++++++++++++++++++++++++
 app/frontend/mail/MailTemplate.php           |  9 +++
 app/frontend/mail/MailTemplateTranslator.php | 80 +++++++++++++++++++++++
 app/frontend/mail/config.xml                 |  9 +++
 app/frontend/mail/templates/.empty           |  0
 6 files changed, 195 insertions(+)
 create mode 100644 app/frontend/mail/MailModule.php
 create mode 100644 app/frontend/mail/MailTemplate.php
 create mode 100644 app/frontend/mail/MailTemplateTranslator.php
 create mode 100644 app/frontend/mail/config.xml
 create mode 100644 app/frontend/mail/templates/.empty

diff --git a/app/frontend/application.xml b/app/frontend/application.xml
index 6937e53..612e5a1 100644
--- a/app/frontend/application.xml
+++ b/app/frontend/application.xml
@@ -17,6 +17,8 @@
   <include file="Application.pages.config" />
   <include file="Application.controls.config" />
 
+  <include file="Application.mail.config" />
+
   <include file="Application.events.config" />
 
   <modules>
diff --git a/app/frontend/mail/MailModule.php b/app/frontend/mail/MailModule.php
new file mode 100644
index 0000000..5f7749b
--- /dev/null
+++ b/app/frontend/mail/MailModule.php
@@ -0,0 +1,95 @@
+<?php
+
+Prado::using('System.I18N.Globalization');
+Prado::using('Application.mail.MailTemplate');
+Prado::using('Application.mail.MailTemplateTranslator');
+
+class MailModule extends TModule {
+
+    private $_templatePath;
+    private static $_templateExtension = 'html';
+    private $_templateCacheSubpath = 'mail';
+    private static $_templateTranslationCatalogue = 'messages';
+
+    public function setTemplatePath($templatePath) {
+        $this->_templatePath = Prado::getPathOfNamespace(
+            TPropertyValue::ensureString($templatePath)
+        );
+    }
+
+    public function getTemplatePath() {
+        if (!file_exists($this->_templatePath)
+            || !is_dir($this->_templatePath)) {
+            throw new TConfigurationException(
+                Prado::localize(
+                    'Invalid mail template path'
+                )
+            );
+        }
+        return $this->_templatePath;
+    }
+
+    public function setCachePath($cachePath) {
+        $this->templateCacheSubpath = TPropertyValue::ensureString($cachePath);
+    }
+
+    public function getCachePath() {
+        $cachePath = $this->getApplication()->getRuntimePath()
+            . DIRECTORY_SEPARATOR
+            . $this->_templateCacheSubpath;
+        if (!file_exists($cachePath)) {
+            mkdir($cachePath);
+        } else {
+            if (!is_dir($cachePath)
+                || !is_writable($cachePath)) {
+                throw new TConfigurationException(
+                    Prado::localize(
+                        'Template cache path must be a writable directory'
+                    )
+                );
+            }
+        }
+        return $cachePath;
+    }
+
+    public function setTemplateExtension($ext) {
+        self::$_templateExtension = TPropertyValue::ensureString($ext);
+    }
+
+    public function getTemplateExtension() {
+        return self::$_templateExtension;
+    }
+
+    public function setTranslationCatalogue($ext) {
+        self::$_templateTranslationCatalogue = TPropertyValue::ensureString($ext);
+    }
+
+    public function getTranslationCatalogue() {
+        return self::$_templateTranslationCatalogue;
+    }
+
+    private static $_translator;
+
+    private static function _getTranslator() {
+        if (!isset(self::$_translator)) {
+            self::$_translator = new MailTemplateTranslator(
+                self::$_templateTranslationCatalogue
+            );
+        }
+        return self::$_translator;
+    }
+
+    public function getTemplate($template, $language=NULL) {
+        $template = new MailTemplate($template . '.' . $this->TemplateExtension);
+        $template->setOutputMode(PHPTAL::HTML5);
+        $template->setTemplateRepository($this->_templatePath);
+        $template->setPhpCodeDestination($this->CachePath);
+        $translator = self::_getTranslator();
+        $translator->setLanguage($language);
+        $template->setTranslator($translator);
+        return $template;
+    }
+
+}
+
+?>
diff --git a/app/frontend/mail/MailTemplate.php b/app/frontend/mail/MailTemplate.php
new file mode 100644
index 0000000..ab5c9a5
--- /dev/null
+++ b/app/frontend/mail/MailTemplate.php
@@ -0,0 +1,9 @@
+<?php
+
+Prado::using('Lib.phptal.PHPTAL');
+
+class MailTemplate extends PHPTAL {
+
+}
+
+?>
diff --git a/app/frontend/mail/MailTemplateTranslator.php b/app/frontend/mail/MailTemplateTranslator.php
new file mode 100644
index 0000000..0e9d7c9
--- /dev/null
+++ b/app/frontend/mail/MailTemplateTranslator.php
@@ -0,0 +1,80 @@
+<?php
+
+Prado::using('Lib.phptal.PHPTAL.TranslationService');
+
+class MailTemplateTranslator implements PHPTAL_TranslationService {
+
+    private $_module;
+    private $_catalogue = 'messages';
+    private $_charset;
+    private $_formatter;
+    private $_source;
+
+    public function __construct($catalogue=NULL) {
+        $this->_module = Prado::getApplication()->getGlobalization(FALSE);
+        $this->_catalogue = $catalogue;
+    }
+
+    private $_language = NULL;
+
+    function setLanguage(/* ... */) {
+        $this->_source = NULL;
+        $langs = array_filter(func_get_args());
+        if ($langs) {
+            $availableLangs = $this->_module->AllowedCultures;
+            foreach ($langs as $lang) {
+                if (in_array($lang, $availableLangs)) {
+                    $this->_language = $lang;
+                    return;
+                }
+            }
+            throw new TInvalidDataValueException(
+                Prado::localize(
+                    'Languages [{lang}] not available',
+                    ['lang' => implode(',', $langs)]
+                )
+            );
+        } else {
+            $this->_language = NULL;
+        }
+    }
+
+    function setEncoding($encoding) {
+        $this->_charset = $encoding;
+    }
+
+    function useDomain($domain) {
+        $this->_catalogue = $domain;
+    }
+
+    private $_variables = [];
+
+    function setVar($key, $value) {
+        $this->_variables[$key] = $value;
+    }
+
+    function translate($key, $htmlescape=TRUE) {
+        $key = preg_replace('/\$(\{.*\})/', '\1', $key);
+        if ($this->_language) {
+            if (!$this->_source) {
+                $appConfig = Prado::getApplication()->getGlobalization()->getTranslationConfiguration();
+                $this->_source = MessageSource::factory($appConfig['type'], $appConfig['source'], $appConfig['filename']);
+                $this->_source->setCulture($this->_language);
+            }
+            $this->_formatter = new MessageFormat(
+                $this->_source,
+                $this->_charset ?: Prado::getApplication()->getGlobalization()->getCharset()
+            );
+            $variables = [];
+            foreach ($this->_variables as $varKey => $value) {
+                $variables['{' . $varKey . '}'] = $value;
+            }
+            return $this->_formatter->format($key, $variables, $this->_catalogue);
+        } else {
+            return Prado::localize($key, $this->_variables);
+        }
+    }
+
+}
+
+?>
diff --git a/app/frontend/mail/config.xml b/app/frontend/mail/config.xml
new file mode 100644
index 0000000..d7d0e64
--- /dev/null
+++ b/app/frontend/mail/config.xml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+  <modules>
+    <module id="mail"
+            class="Application.mail.MailModule"
+            TemplatePath="Application.mail.templates"
+            TranslationCatalogue="messages" />
+  </modules>
+</configuration>
diff --git a/app/frontend/mail/templates/.empty b/app/frontend/mail/templates/.empty
new file mode 100644
index 0000000..e69de29
-- 
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