EmailTemplate::setPreviewData() - Code Metrics - Inspection of "Compatibility with SS5" - lekoala/silverstripe-email-templates - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#19)

by Sergey

created 2024-11-04 23:52 UTC

EmailTemplate::setPreviewData() C

↳ Parent: Project

Complexity

Conditions	15
Paths	132

Size

Total Lines	74
Code Lines	41

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	15
eloc	41
c	0
b	0
f	0
nc	132
nop	1
dl	0
loc	74
rs	5.6499

How to fix Long Method Complexity

<?php

namespace LeKoala\EmailTemplates\Models;

use Exception;
use SilverStripe\Forms\Tab;
use SilverStripe\i18n\i18n;
use SilverStripe\Core\ClassInfo;
use SilverStripe\ORM\DataObject;
use SilverStripe\View\ArrayData;
use SilverStripe\Forms\TextField;
use SilverStripe\Security\Member;
use SilverStripe\Control\Director;
use SilverStripe\Core\Environment;
use SilverStripe\Forms\HeaderField;
use SilverStripe\Core\Config\Config;
use SilverStripe\Forms\LiteralField;
use SilverStripe\Control\Email\Email;
use SilverStripe\Forms\CheckboxField;
use SilverStripe\Forms\DropdownField;
use SilverStripe\Security\Permission;
use SilverStripe\SiteConfig\SiteConfig;
use SilverStripe\Admin\AdminRootController;
use LeKoala\EmailTemplates\Email\BetterEmail;
use LeKoala\EmailTemplates\Helpers\FluentHelper;
use LeKoala\EmailTemplates\Admin\EmailTemplatesAdmin;
use LeKoala\EmailTemplates\Extensions\EmailTemplateSiteConfigExtension;
use SilverStripe\Forms\HTMLEditor\HTMLEditorField;

/**
 * User defined email templates
 *
 * Content of the template should override default content provided with setHTMLTemplate
 *
 * For example, in the framework we have
 *    $email = Email::create()->setHTMLTemplate('SilverStripe\\Control\\Email\\ForgotPasswordEmail')
 *
 * It means our template code should match this : ForgotPasswordEmail
 *
 * @property string $Subject
 * @property string $DefaultSender
 * @property string $DefaultRecipient
 * @property string $Category
 * @property string $Code
 * @property string $Content
 * @property string $Callout
 * @property boolean $Disabled
 * @property int $SubsiteID
 * @author lekoala
 */
class EmailTemplate extends DataObject
{
    private static $table_name = 'EmailTemplate';

    private static $db = [
        'Subject' => 'Varchar(255)',
        'DefaultSender' => 'Varchar(255)',
        'DefaultRecipient' => 'Varchar(255)',
        'Category' => 'Varchar(255)',
        'Code' => 'Varchar(255)',
        // Content
        'Content' => 'HTMLText',
        'Callout' => 'HTMLText',
        // Configuration
        'Disabled' => 'Boolean',
    ];
    private static $summary_fields = [
        'Subject',
        'Code',
        'Category',
        'Disabled',
    ];
    private static $searchable_fields = [
        'Subject',
        'Code',
        'Category',
        'Disabled',
    ];
    private static $indexes = [
        'Code' => true, // Code is not unique because it can be used by subsites
    ];
    private static $translate = [
        'Subject', 'Content', 'Callout'
    ];

    public function getTitle()
    {
        return $this->Subject;
    }

    public function getCMSFields()
    {
        $fields = parent::getCMSFields();

        // Do not allow changing subsite
        $fields->removeByName('SubsiteID');

        /** @var HTMLEditorField */
        $fCallout = $fields->dataFieldByName('Callout');
        $fCallout->setRows(5);

        $codeField = $fields->dataFieldByName('Code');
        $codeField->setAttribute('placeholder', _t('EmailTemplate.CODEPLACEHOLDER', 'A unique code that will be used in code to retrieve the template, e.g.: MyEmail'));

        if ($this->Code) {
            $codeField->setReadonly(true);
        }

        // Merge fields helper
        $fields->addFieldToTab('Root.Main', new HeaderField('MergeFieldsHelperTitle', _t('EmailTemplate.AVAILABLEMERGEFIELDSTITLE', 'Available merge fields')));

        $fields->addFieldToTab('Root.Main', new LiteralField('MergeFieldsHelper', $this->mergeFieldsHelper()));

        if ($this->ID) {
            $fields->addFieldToTab('Root.Preview', $this->previewTab());
        }

        // Cleanup UI
        $categories = EmailTemplate::get()->column('Category');
        $fields->addFieldToTab('Root.Settings', new DropdownField('Category', 'Category', array_combine($categories, $categories)));
        $fields->addFieldToTab('Root.Settings', new CheckboxField('Disabled'));
        $fields->addFieldToTab('Root.Settings', new TextField('DefaultSender'));
        $fields->addFieldToTab('Root.Settings', new TextField('DefaultRecipient'));


        return $fields;
    }

    public function canView($member = null)
    {
        return true;
    }

    public function canEdit($member = null)
    {
        return Permission::check('CMS_ACCESS', 'any', $member);
    }

    public function canCreate($member = null, $context = [])
    {
        // Should be created by developer
        return false;
    }

    public function canDelete($member = null)
    {
        return Permission::check('CMS_ACCESS', 'any', $member);
    }

    /**
     * A map of Name => Class
     *
     * User models are variables with a . that should match an existing DataObject name
     *
     * @return array
     */
    public function getAvailableModels()
    {
        $fields = ['Content', 'Callout'];

        $models = self::config()->get('default_models');

        // Build a list of non namespaced models
        // They are not likely to clash anyway because of their unique table name
        $dataobjects = ClassInfo::getValidSubClasses(DataObject::class);
        $map = [];
        foreach ($dataobjects as $k => $v) {
            $parts = explode('\\', $v);
            $name = end($parts);
            $map[$name] = $v;
        }

        foreach ($fields as $field) {
            // Match variables with a dot in the call, like $MyModel.SomeMethod
            preg_match_all('/\$([a-zA-Z]+)\./m', $this->$field ?? '', $matches);

            if (!empty($matches[1])) {
                // Get unique model names
                $arr = array_unique($matches[1]);

                foreach ($arr as $name) {
                    if (!isset($map[$name])) {
                        continue;
                    }
                    $class = $map[$name];
                    $singl = singleton($class);
                    if ($singl instanceof DataObject) {
                        $models[$name] = $class;
                    }
                }
            }
        }

        return $models;
    }

    /**
     * Get an email template by code
     *
     * @param string $code
     * @param bool $alwaysReturn
     * @param string $locale
     * @return static|null
     */
    public static function getByCode($code, $alwaysReturn = true, $locale = null): ?static

    {
        if ($locale) {
            $template = FluentHelper::withLocale($locale, function () use ($code) {
                return EmailTemplate::get()->filter('Code', $code)->first();
            });
        } else {
            $template = EmailTemplate::get()->filter('Code', $code)->first();
        }
        // Always return a template
        if (!$template && $alwaysReturn) {
            $template = new EmailTemplate();
            $template->Subject = $code;
            $template->Code = $code;
            $template->Content = 'Replace this with your own content and untick disabled';
            $template->Disabled = true;
            $template->write();
        }
        /** @var static|null */
        return $template;
    }

    /**
     * A shorthand to get an email by code
     *
     * @param string $code
     * @param string $locale
     * @return BetterEmail
     */
    public static function getEmailByCode($code, $locale = null)
    {
        return self::getByCode($code, true, $locale)->getEmail();
    }

    public function onBeforeWrite()
    {
        parent::onBeforeWrite();
    }

    /**
     * Content of the literal field for the merge fields
     *
     * @return string
     */
    protected function mergeFieldsHelper()
    {
        $content = '<strong>Base fields:</strong><br/>';
        $baseFields = [
            'To', 'Cc', 'Bcc', 'From', 'Subject', 'Body', 'BaseURL', 'Controller'
        ];
        foreach ($baseFields as $baseField) {
            $content .= $baseField . ', ';
        }
        $content = trim($content, ', ') . '<br/>';

        $models = $this->getAvailableModels();

        $modelsByClass = [];
        $classes = [];
        foreach ($models as $name => $model) {
            $classes[] = $model;
            if (!isset($modelsByClass[$model])) {
                $modelsByClass[$model] = [];
            }
            $modelsByClass[$model][] = $name;
        }
        $classes = array_unique($classes);

        $locales = [];
        // if (class_exists('Fluent')) {
        //     $locales = Fluent::locales();
        // }

        foreach ($classes as $model) {
            if (!class_exists($model)) {
                continue;
            }
            /** @var string[] */
            $props = Config::inst()->get($model, 'db');
            $o = singleton($model);
            $content .= '<strong>' . $model . ' (' . implode(',', $modelsByClass[$model]) . '):</strong><br/>';
            foreach ($props as $fieldName => $fieldType) {
                // // Filter out locale fields
                // foreach ($locales as $locale) {
                //     if (strpos($fieldName, $locale) !== false) {
                //         continue;
                //     }
                // }
                $content .= $fieldName . ', ';
            }

            // We could also show methods but that may be long
            if (self::config()->get('helper_show_methods')) {
                $methods = array_diff($o->allMethodNames(true), $o->allMethodNames());
                foreach ($methods as $method) {
                    if (strpos($method, 'get') === 0) {
                        $content .= $method . ', ';
                    }
                }
            }

            $content = trim($content, ', ') . '<br/>';
        }
        $content .= "<br/><div class='message info'>" . _t('EmailTemplate.ENCLOSEFIELD', 'To escape a field from surrounding text, you can enclose it between brackets, eg: {$Member.FirstName}.') . '</div>';
        return $content;
    }

    /**
     * Provide content for the Preview tab
     *
     * @return Tab
     */
    protected function previewTab()
    {
        $tab = new Tab('Preview');

        // Preview iframe
        $sanitisedModel =  str_replace('\\', '-', EmailTemplate::class);
        $adminSegment = EmailTemplatesAdmin::config()->get('url_segment');
        $adminBaseSegment = AdminRootController::config()->get('url_base');
        $iframeSrc = Director::baseURL() . $adminBaseSegment . '/' . $adminSegment . '/' . $sanitisedModel . '/PreviewEmail/?id=' . $this->ID;
        $iframe = new LiteralField('iframe', '<iframe src="' . $iframeSrc . '" style="width:800px;background:#fff;border:1px solid #ccc;min-height:500px;vertical-align:top"></iframe>');
        $tab->push($iframe);

        $env = Environment::getEnv('SS_SEND_ALL_EMAILS_TO');
        if ($env || Director::isDev()) {
            $sendTestLink = Director::baseURL() . $adminBaseSegment . '/' . $adminSegment . '/' . $sanitisedModel . '/SendTestEmailTemplate/?id=' . $this->ID . '&to=' . urlencode($env);
            $sendTest = new LiteralField("send_test", "<hr/><a href='$sendTestLink'>Send test email</a>");
            $tab->push($sendTest);
        }

        return $tab;
    }

    /**
     * Returns an instance of an Email with the content of the template
     *
     * @return BetterEmail
     */
    public function getEmail()
    {
        $email = Email::create();
        if (!$email instanceof BetterEmail) {
            throw new Exception("Make sure you are injecting the BetterEmail class instead of your base Email class");
        }

        $this->applyTemplate($email);
        if ($this->Disabled) {
            $email->setDisabled(true);
        }
        return $email;
    }

    /**
     * Returns an instance of an Email with the content tailored to the member
     *
     * @param Member $member
     * @return BetterEmail
     */
    public function getEmailForMember(Member $member)
    {
        $restoreLocale = null;
        if ($member->Locale) {
            $restoreLocale = i18n::get_locale();
            i18n::set_locale($member->Locale);
        }

        $email = $this->getEmail();
        $email->setToMember($member);

        if ($restoreLocale) {
            i18n::set_locale($restoreLocale);
        }

        return $email;
    }

    /**
     * Apply this template to the email
     *
     * @param BetterEmail $email
     */
    public function applyTemplate(&$email)
    {
        $email->setEmailTemplate($this);

        if ($this->Subject) {
            $email->setSubject($this->Subject);
        }

        // Use dbObject to handle shortcodes as well
        $email->setData([
            'EmailContent' => $this->dbObject('Content')->forTemplate(),
            'Callout' => $this->dbObject('Callout')->forTemplate(),
        ]);

        // Email are initialized with admin_email if set, we may want to use our own sender
        if ($this->DefaultSender) {
            $email->setFrom($this->DefaultSender);
        } else {
            /** @var SiteConfig|EmailTemplateSiteConfigExtension */
            $SiteConfig = SiteConfig::current_site_config();
            $email->setFrom($SiteConfig->EmailDefaultSender());
        }
        if ($this->DefaultRecipient) {
            $email->setTo($this->DefaultRecipient);
        }

        $this->extend('updateApplyTemplate', $email);
    }

    /**
     * Get rendered body
     *
     * @param bool $injectFake
     * @return string
     */
    public function renderTemplate($injectFake = false)
    {
        // Disable debug bar in the iframe
        Config::modify()->set('LeKoala\\DebugBar\\DebugBar', 'auto_inject', false);

        $email = $this->getEmail();
        if ($injectFake) {
            $email = $this->setPreviewData($email);
        }

        $html = $email->getRenderedBody();

        return $html;
    }

    /**
     * Inject random data into email for nicer preview
     *
     * @param BetterEmail $email
     * @return BetterEmail
     */
    public function setPreviewData(BetterEmail $email)
    {
        $data = [];

        // Get an array of data like ["Body" => "My content", "Callout" => "The callout..."]
        $emailData = $email->getData();

        // Parse the data for variables
        // For now, simply replace them by their name in curly braces
        foreach ($emailData as $k => $v) {
            if (!$v) {
                continue;
            }

            $matches = null;

            // This match all $Variable or $Member.Firstname kind of vars
            preg_match_all('/\$([a-zA-Z.]*)/', $v, $matches);
            if (!empty($matches[1])) {
                foreach ($matches[1] as $name) {
                    $name = trim($name, '.');

                    if (strpos($name, '.') !== false) {
                        // It's an object
                        $parts = explode('.', $name);
                        $objectName = array_shift($parts);
                        if (isset($data[$objectName])) {
                            $object = $data[$objectName];
                        } else {
                            $object = new ArrayData([]);
                        }
                        $curr = $object;

                        // May be recursive
                        foreach ($parts as $part) {
                            if (is_string($curr)) {
                                $curr = [];
                                $object->$part = $curr;
                            }
                            $object->$part = '{' . "$objectName.$part" . '}';
                            $prevPart = $part;
                            $curr = $object->$part;
                        }
                        $data[$objectName] = $object;
                    } else {
                        // It's a simple var
                        $data[$name] = '{' . $name . '}';
                    }
                }
            }
        }

        // Inject random data for known classes
        foreach ($this->getAvailableModels() as $name => $class) {
            if (!class_exists($class)) {
                continue;
            }
            if (singleton($class)->hasMethod('getSampleRecord')) {
                $o = $class::getSampleRecord();
            } else {
                $o = $class::get()->shuffle()->first();
            }

            if (!$o) {
                $o = new $class;
            }
            $data[$name] = $o;
        }

        foreach ($data as $name => $value) {
            $email->addData($name, $value);
        }

        return $email;
    }
}


1			<?php
2
3			namespace LeKoala\EmailTemplates\Models;
4
5			use Exception;
6			use SilverStripe\Forms\Tab;
7			use SilverStripe\i18n\i18n;
8			use SilverStripe\Core\ClassInfo;
9			use SilverStripe\ORM\DataObject;
10			use SilverStripe\View\ArrayData;
11			use SilverStripe\Forms\TextField;
12			use SilverStripe\Security\Member;
13			use SilverStripe\Control\Director;
14			use SilverStripe\Core\Environment;
15			use SilverStripe\Forms\HeaderField;
16			use SilverStripe\Core\Config\Config;
17			use SilverStripe\Forms\LiteralField;
18			use SilverStripe\Control\Email\Email;
19			use SilverStripe\Forms\CheckboxField;
20			use SilverStripe\Forms\DropdownField;
21			use SilverStripe\Security\Permission;
22			use SilverStripe\SiteConfig\SiteConfig;
23			use SilverStripe\Admin\AdminRootController;
24			use LeKoala\EmailTemplates\Email\BetterEmail;
25			use LeKoala\EmailTemplates\Helpers\FluentHelper;
26			use LeKoala\EmailTemplates\Admin\EmailTemplatesAdmin;
27			use LeKoala\EmailTemplates\Extensions\EmailTemplateSiteConfigExtension;
28			use SilverStripe\Forms\HTMLEditor\HTMLEditorField;
29
30			/**
31			* User defined email templates
32			*
33			* Content of the template should override default content provided with setHTMLTemplate
34			*
35			* For example, in the framework we have
36			* $email = Email::create()->setHTMLTemplate('SilverStripe\\Control\\Email\\ForgotPasswordEmail')
37			*
38			* It means our template code should match this : ForgotPasswordEmail
39			*
40			* @property string $Subject
41			* @property string $DefaultSender
42			* @property string $DefaultRecipient
43			* @property string $Category
44			* @property string $Code
45			* @property string $Content
46			* @property string $Callout
47			* @property boolean $Disabled
48			* @property int $SubsiteID
49			* @author lekoala
50			*/
51			class EmailTemplate extends DataObject
52			{
53			private static $table_name = 'EmailTemplate';
54
55			private static $db = [
56			'Subject' => 'Varchar(255)',
57			'DefaultSender' => 'Varchar(255)',
58			'DefaultRecipient' => 'Varchar(255)',
59			'Category' => 'Varchar(255)',
60			'Code' => 'Varchar(255)',
61			// Content
62			'Content' => 'HTMLText',
63			'Callout' => 'HTMLText',
64			// Configuration
65			'Disabled' => 'Boolean',
66			];
67			private static $summary_fields = [
68			'Subject',
69			'Code',
70			'Category',
71			'Disabled',
72			];
73			private static $searchable_fields = [
74			'Subject',
75			'Code',
76			'Category',
77			'Disabled',
78			];
79			private static $indexes = [
80			'Code' => true, // Code is not unique because it can be used by subsites
81			];
82			private static $translate = [
83			'Subject', 'Content', 'Callout'
84			];
85
86			public function getTitle()
87			{
88			return $this->Subject;
89			}
90
91			public function getCMSFields()
92			{
93			$fields = parent::getCMSFields();
94
95			// Do not allow changing subsite
96			$fields->removeByName('SubsiteID');
97
98			/** @var HTMLEditorField */
99			$fCallout = $fields->dataFieldByName('Callout');
100			$fCallout->setRows(5);
101
102			$codeField = $fields->dataFieldByName('Code');
103			$codeField->setAttribute('placeholder', _t('EmailTemplate.CODEPLACEHOLDER', 'A unique code that will be used in code to retrieve the template, e.g.: MyEmail'));
104
105			if ($this->Code) {
106			$codeField->setReadonly(true);
107			}
108
109			// Merge fields helper
110			$fields->addFieldToTab('Root.Main', new HeaderField('MergeFieldsHelperTitle', _t('EmailTemplate.AVAILABLEMERGEFIELDSTITLE', 'Available merge fields')));
111
112			$fields->addFieldToTab('Root.Main', new LiteralField('MergeFieldsHelper', $this->mergeFieldsHelper()));
113
114			if ($this->ID) {
115			$fields->addFieldToTab('Root.Preview', $this->previewTab());
116			}
117
118			// Cleanup UI
119			$categories = EmailTemplate::get()->column('Category');
120			$fields->addFieldToTab('Root.Settings', new DropdownField('Category', 'Category', array_combine($categories, $categories)));
121			$fields->addFieldToTab('Root.Settings', new CheckboxField('Disabled'));
122			$fields->addFieldToTab('Root.Settings', new TextField('DefaultSender'));
123			$fields->addFieldToTab('Root.Settings', new TextField('DefaultRecipient'));
124
125
126			return $fields;
127			}
128
129			public function canView($member = null)
130			{
131			return true;
132			}
133
134			public function canEdit($member = null)
135			{
136			return Permission::check('CMS_ACCESS', 'any', $member);
137			}
138
139			public function canCreate($member = null, $context = [])
140			{
141			// Should be created by developer
142			return false;
143			}
144
145			public function canDelete($member = null)
146			{
147			return Permission::check('CMS_ACCESS', 'any', $member);
148			}
149
150			/**
151			* A map of Name => Class
152			*
153			* User models are variables with a . that should match an existing DataObject name
154			*
155			* @return array
156			*/
157			public function getAvailableModels()
158			{
159			$fields = ['Content', 'Callout'];
160
161			$models = self::config()->get('default_models');
162
163			// Build a list of non namespaced models
164			// They are not likely to clash anyway because of their unique table name
165			$dataobjects = ClassInfo::getValidSubClasses(DataObject::class);
166			$map = [];
167			foreach ($dataobjects as $k => $v) {
168			$parts = explode('\\', $v);
169			$name = end($parts);
170			$map[$name] = $v;
171			}
172
173			foreach ($fields as $field) {
174			// Match variables with a dot in the call, like $MyModel.SomeMethod
175			preg_match_all('/\$([a-zA-Z]+)\./m', $this->$field ?? '', $matches);
176
177			if (!empty($matches[1])) {
178			// Get unique model names
179			$arr = array_unique($matches[1]);
180
181			foreach ($arr as $name) {
182			if (!isset($map[$name])) {
183			continue;
184			}
185			$class = $map[$name];
186			$singl = singleton($class);
187			if ($singl instanceof DataObject) {
188			$models[$name] = $class;
189			}
190			}
191			}
192			}
193
194			return $models;
195			}
196
197			/**
198			* Get an email template by code
199			*
200			* @param string $code
201			* @param bool $alwaysReturn
202			* @param string $locale
203			* @return static\|null
204			*/
205			public static function getByCode($code, $alwaysReturn = true, $locale = null): ?static
			0 ignored issues – show Bug introduced 2024-11-04 04:31 UTC by Report Bug Copy Issue Report A parse error occurred: Syntax error, unexpected T_STATIC on line 205 at column 84 Loading history...
206			{
207			if ($locale) {
208			$template = FluentHelper::withLocale($locale, function () use ($code) {
209			return EmailTemplate::get()->filter('Code', $code)->first();
210			});
211			} else {
212			$template = EmailTemplate::get()->filter('Code', $code)->first();
213			}
214			// Always return a template
215			if (!$template && $alwaysReturn) {
216			$template = new EmailTemplate();
217			$template->Subject = $code;
218			$template->Code = $code;
219			$template->Content = 'Replace this with your own content and untick disabled';
220			$template->Disabled = true;
221			$template->write();
222			}
223			/** @var static\|null */
224			return $template;
225			}
226
227			/**
228			* A shorthand to get an email by code
229			*
230			* @param string $code
231			* @param string $locale
232			* @return BetterEmail
233			*/
234			public static function getEmailByCode($code, $locale = null)
235			{
236			return self::getByCode($code, true, $locale)->getEmail();
237			}
238
239			public function onBeforeWrite()
240			{
241			parent::onBeforeWrite();
242			}
243
244			/**
245			* Content of the literal field for the merge fields
246			*
247			* @return string
248			*/
249			protected function mergeFieldsHelper()
250			{
251			$content = '<strong>Base fields:</strong><br/>';
252			$baseFields = [
253			'To', 'Cc', 'Bcc', 'From', 'Subject', 'Body', 'BaseURL', 'Controller'
254			];
255			foreach ($baseFields as $baseField) {
256			$content .= $baseField . ', ';
257			}
258			$content = trim($content, ', ') . '<br/>';
259
260			$models = $this->getAvailableModels();
261
262			$modelsByClass = [];
263			$classes = [];
264			foreach ($models as $name => $model) {
265			$classes[] = $model;
266			if (!isset($modelsByClass[$model])) {
267			$modelsByClass[$model] = [];
268			}
269			$modelsByClass[$model][] = $name;
270			}
271			$classes = array_unique($classes);
272
273			$locales = [];
274			// if (class_exists('Fluent')) {
275			// $locales = Fluent::locales();
276			// }
277
278			foreach ($classes as $model) {
279			if (!class_exists($model)) {
280			continue;
281			}
282			/** @var string[] */
283			$props = Config::inst()->get($model, 'db');
284			$o = singleton($model);
285			$content .= '<strong>' . $model . ' (' . implode(',', $modelsByClass[$model]) . '):</strong><br/>';
286			foreach ($props as $fieldName => $fieldType) {
287			// // Filter out locale fields
288			// foreach ($locales as $locale) {
289			// if (strpos($fieldName, $locale) !== false) {
290			// continue;
291			// }
292			// }
293			$content .= $fieldName . ', ';
294			}
295
296			// We could also show methods but that may be long
297			if (self::config()->get('helper_show_methods')) {
298			$methods = array_diff($o->allMethodNames(true), $o->allMethodNames());
299			foreach ($methods as $method) {
300			if (strpos($method, 'get') === 0) {
301			$content .= $method . ', ';
302			}
303			}
304			}
305
306			$content = trim($content, ', ') . '<br/>';
307			}
308			$content .= "<br/><div class='message info'>" . _t('EmailTemplate.ENCLOSEFIELD', 'To escape a field from surrounding text, you can enclose it between brackets, eg: {$Member.FirstName}.') . '</div>';
309			return $content;
310			}
311
312			/**
313			* Provide content for the Preview tab
314			*
315			* @return Tab
316			*/
317			protected function previewTab()
318			{
319			$tab = new Tab('Preview');
320
321			// Preview iframe
322			$sanitisedModel = str_replace('\\', '-', EmailTemplate::class);
323			$adminSegment = EmailTemplatesAdmin::config()->get('url_segment');
324			$adminBaseSegment = AdminRootController::config()->get('url_base');
325			$iframeSrc = Director::baseURL() . $adminBaseSegment . '/' . $adminSegment . '/' . $sanitisedModel . '/PreviewEmail/?id=' . $this->ID;
326			$iframe = new LiteralField('iframe', '<iframe src="' . $iframeSrc . '" style="width:800px;background:#fff;border:1px solid #ccc;min-height:500px;vertical-align:top"></iframe>');
327			$tab->push($iframe);
328
329			$env = Environment::getEnv('SS_SEND_ALL_EMAILS_TO');
330			if ($env \|\| Director::isDev()) {
331			$sendTestLink = Director::baseURL() . $adminBaseSegment . '/' . $adminSegment . '/' . $sanitisedModel . '/SendTestEmailTemplate/?id=' . $this->ID . '&to=' . urlencode($env);
332			$sendTest = new LiteralField("send_test", "<hr/><a href='$sendTestLink'>Send test email</a>");
333			$tab->push($sendTest);
334			}
335
336			return $tab;
337			}
338
339			/**
340			* Returns an instance of an Email with the content of the template
341			*
342			* @return BetterEmail
343			*/
344			public function getEmail()
345			{
346			$email = Email::create();
347			if (!$email instanceof BetterEmail) {
348			throw new Exception("Make sure you are injecting the BetterEmail class instead of your base Email class");
349			}
350
351			$this->applyTemplate($email);
352			if ($this->Disabled) {
353			$email->setDisabled(true);
354			}
355			return $email;
356			}
357
358			/**
359			* Returns an instance of an Email with the content tailored to the member
360			*
361			* @param Member $member
362			* @return BetterEmail
363			*/
364			public function getEmailForMember(Member $member)
365			{
366			$restoreLocale = null;
367			if ($member->Locale) {
368			$restoreLocale = i18n::get_locale();
369			i18n::set_locale($member->Locale);
370			}
371
372			$email = $this->getEmail();
373			$email->setToMember($member);
374
375			if ($restoreLocale) {
376			i18n::set_locale($restoreLocale);
377			}
378
379			return $email;
380			}
381
382			/**
383			* Apply this template to the email
384			*
385			* @param BetterEmail $email
386			*/
387			public function applyTemplate(&$email)
388			{
389			$email->setEmailTemplate($this);
390
391			if ($this->Subject) {
392			$email->setSubject($this->Subject);
393			}
394
395			// Use dbObject to handle shortcodes as well
396			$email->setData([
397			'EmailContent' => $this->dbObject('Content')->forTemplate(),
398			'Callout' => $this->dbObject('Callout')->forTemplate(),
399			]);
400
401			// Email are initialized with admin_email if set, we may want to use our own sender
402			if ($this->DefaultSender) {
403			$email->setFrom($this->DefaultSender);
404			} else {
405			/** @var SiteConfig\|EmailTemplateSiteConfigExtension */
406			$SiteConfig = SiteConfig::current_site_config();
407			$email->setFrom($SiteConfig->EmailDefaultSender());
408			}
409			if ($this->DefaultRecipient) {
410			$email->setTo($this->DefaultRecipient);
411			}
412
413			$this->extend('updateApplyTemplate', $email);
414			}
415
416			/**
417			* Get rendered body
418			*
419			* @param bool $injectFake
420			* @return string
421			*/
422			public function renderTemplate($injectFake = false)
423			{
424			// Disable debug bar in the iframe
425			Config::modify()->set('LeKoala\\DebugBar\\DebugBar', 'auto_inject', false);
426
427			$email = $this->getEmail();
428			if ($injectFake) {
429			$email = $this->setPreviewData($email);
430			}
431
432			$html = $email->getRenderedBody();
433
434			return $html;
435			}
436
437			/**
438			* Inject random data into email for nicer preview
439			*
440			* @param BetterEmail $email
441			* @return BetterEmail
442			*/
443			public function setPreviewData(BetterEmail $email)
444			{
445			$data = [];
446
447			// Get an array of data like ["Body" => "My content", "Callout" => "The callout..."]
448			$emailData = $email->getData();
449
450			// Parse the data for variables
451			// For now, simply replace them by their name in curly braces
452			foreach ($emailData as $k => $v) {
453			if (!$v) {
454			continue;
455			}
456
457			$matches = null;
458
459			// This match all $Variable or $Member.Firstname kind of vars
460			preg_match_all('/\$([a-zA-Z.]*)/', $v, $matches);
461			if (!empty($matches[1])) {
462			foreach ($matches[1] as $name) {
463			$name = trim($name, '.');
464
465			if (strpos($name, '.') !== false) {
466			// It's an object
467			$parts = explode('.', $name);
468			$objectName = array_shift($parts);
469			if (isset($data[$objectName])) {
470			$object = $data[$objectName];
471			} else {
472			$object = new ArrayData([]);
473			}
474			$curr = $object;
475
476			// May be recursive
477			foreach ($parts as $part) {
478			if (is_string($curr)) {
479			$curr = [];
480			$object->$part = $curr;
481			}
482			$object->$part = '{' . "$objectName.$part" . '}';
483			$prevPart = $part;
484			$curr = $object->$part;
485			}
486			$data[$objectName] = $object;
487			} else {
488			// It's a simple var
489			$data[$name] = '{' . $name . '}';
490			}
491			}
492			}
493			}
494
495			// Inject random data for known classes
496			foreach ($this->getAvailableModels() as $name => $class) {
497			if (!class_exists($class)) {
498			continue;
499			}
500			if (singleton($class)->hasMethod('getSampleRecord')) {
501			$o = $class::getSampleRecord();
502			} else {
503			$o = $class::get()->shuffle()->first();
504			}
505
506			if (!$o) {
507			$o = new $class;
508			}
509			$data[$name] = $o;
510			}
511
512			foreach ($data as $name => $value) {
513			$email->addData($name, $value);
514			}
515
516			return $email;
517			}
518			}
519

lekoala / silverstripe-email-templates

Pull Request — master (#19)

EmailTemplate::setPreviewData() C

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