Replace platform logo with course logo

The update adds the possibility to upload a course logo with the same dimensions as the platform logo. The uploaded course logo can be applied to the header, email-template and pdf-export.

.htaccess

@@ -46,6 +46,8 @@ RewriteRule ^courses/([^/]+)/work/(.*)$ main/work/download.php?file=work/$2&cDir
 
 RewriteRule ^courses/([^/]+)/course-pic85x85.png$ main/inc/ajax/course.ajax.php?a=get_course_image&code=$1&image=course_image_source [QSA,L]
 RewriteRule ^courses/([^/]+)/course-pic.png$ main/inc/ajax/course.ajax.php?a=get_course_image&code=$1&image=course_image_large_source [QSA,L]
+RewriteRule ^courses/([^/]+)/course-email-pic85x85.png$ main/inc/ajax/course.ajax.php?a=get_course_image&code=$1&image=course_email_image_source [QSA,L]
+RewriteRule ^courses/([^/]+)/course-email-pic.png$ main/inc/ajax/course.ajax.php?a=get_course_image&code=$1&image=course_email_image_large_source [QSA,L]
 
 # Redirect all courses/ to app/courses/
 RewriteRule ^courses/([^/]+)/(.*)$ app/courses/$1/$2 [QSA,L]

app/Migrations/Schema/V111/Version20230202100000.php

@@ -0,0 +1,40 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+namespace Application\Migrations\Schema\V111;
+
+use Application\Migrations\AbstractMigrationChamilo;
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\DBAL\Types\Type;
+
+/**
+ * Class Version20160712150000
+ * Add option to use SVG icons instead of their PNG version
+ * @package Application\Migrations\Schema\V111
+ */
+class Version20230202100000 extends AbstractMigrationChamilo
+{
+    /**
+     * @param Schema $schema
+     * @throws \Doctrine\DBAL\DBALException
+     * @throws \Doctrine\DBAL\Schema\SchemaException
+     */
+    public function up(Schema $schema)
+    {
+        $this->addSql("INSERT INTO settings_current (variable, subkey, type, category, selected_value, title, comment, scope, subkeytext, access_url_changeable) VALUES ('use_course_logo_in_course_page', NULL, 'radio', 'Course', 'false', 'UseCourseLogoInCoursePageTitle', 'UseCourseLogoInCoursePageComment','',NULL, 1)");
+
+        $this->addSql("INSERT INTO settings_options (variable, value, display_text) VALUES ('use_course_logo_in_course_page', 'true', 'Yes') ");
+        $this->addSql("INSERT INTO settings_options (variable, value, display_text) VALUES ('use_course_logo_in_course_page', 'false', 'No') ");
+    }
+
+    /**
+     * @param Schema $schema
+     * @throws \Doctrine\DBAL\DBALException
+     * @throws \Doctrine\DBAL\Schema\SchemaException
+     */
+    public function down(Schema $schema)
+    {
+        $this->addSql("DELETE FROM settings_current WHERE variable = 'use_course_logo_in_course_page'");
+        $this->addSql("DELETE FROM settings_options WHERE variable = 'use_course_logo_in_course_page'");
+    }
+}

main/course_info/infocours.php

@@ -85,14 +85,22 @@ $form->addHtml('
         <div class="panel-body">
 ');
 
+// display regular image
 $image = '';
 // Display course picture
 $course_path = api_get_path(SYS_COURSE_PATH).$currentCourseRepository; // course path
-if (file_exists($course_path.'/course-pic85x85.png')) {
+if (file_exists($course_path.'/course-pic85x85.png') || file_exists($course_path.'/course-email-pic85x85.png')) {
+    $image = '<div class="row">';
     $course_web_path = api_get_path(WEB_COURSE_PATH).$currentCourseRepository; // course web path
-    $course_medium_image = $course_web_path.'/course-pic85x85.png?'.rand(1, 1000); // redimensioned image 85x85
-    $image = '<div class="row"><label class="col-md-2 control-label">'.get_lang('Image').'</label>
-                    <div class="col-md-8"><img src="'.$course_medium_image.'" /></div></div>';
+    if (file_exists($course_path.'/course-pic85x85.png')) {
+        $course_medium_image = $course_web_path.'/course-pic85x85.png?'.rand(1, 1000); // redimensioned image 85x85
+        $image .= '<label class="col-md-2 control-label">'.get_lang('Image').'</label><div class="col-md-4"><img src="'.$course_medium_image.'" /></div>';
+    }
+    if (file_exists($course_path.'/course-email-pic85x85.png')) {
+        $course_medium_image = $course_web_path.'/course-email-pic85x85.png?'.rand(1, 1000); // redimensioned image 85x85
+        $image .= '<label class="col-md-2 control-label">'.get_lang('EmailImage').'</label><div class="col-md-4"><img src="'.$course_medium_image.'" /></div>';
+    }
+    $image .= '</div>';
 }
 $form->addHtml($image);
 $form->addText('title', get_lang('Title'), true);
@@ -166,6 +174,24 @@ $form->addRule(
 );
 $form->addElement('checkbox', 'delete_picture', null, get_lang('DeletePicture'));
 
+
+// Email Picture
+$form->addFile(
+    'email_picture',
+    get_lang('AddEmailPicture'),
+    ['id' => 'email_picture', 'class' => 'picture-form', 'crop_image' => true, 'crop_ratio' => '250 / 70']
+);
+
+$allowed_picture_types = api_get_supported_image_extensions(false);
+$form->addRule(
+    'email_picture',
+    get_lang('OnlyImagesAllowed').' ('.implode(',', $allowed_picture_types).')',
+    'filetype',
+    $allowed_picture_types
+    );
+$form->addElement('checkbox', 'delete_email_picture', null, get_lang('DeleteEmailPicture'));
+
+
 if (api_get_setting('pdf_export_watermark_by_course') === 'true') {
     $url = PDF::get_watermark($course_code);
     $form->addText('pdf_export_watermark_text', get_lang('PDFExportWatermarkTextTitle'), false, ['size' => '60']);
@@ -1111,6 +1137,23 @@ if ($form->validate() && is_settings_editable()) {
         );
     }
 
+    // update email picture
+    $emailPicture = $_FILES['email_picture'];
+    if (!empty($emailPicture['name'])) {
+        CourseManager::update_course_email_picture(
+            $_course,
+            $emailPicture['name'],
+            $emailPicture['tmp_name'],
+            $updateValues['email_picture_crop_result']
+            );
+
+        Event::addEvent(
+            LOG_COURSE_SETTINGS_CHANGED,
+            'course_email_picture',
+            $emailPicture['name']
+            );
+    }
+
     if ($visibilityChangeable && isset($updateValues['visibility'])) {
         $visibility = $updateValues['visibility'];
     } else {
@@ -1122,6 +1165,11 @@ if ($form->validate() && is_settings_editable()) {
         CourseManager::deleteCoursePicture($course_code);
     }
 
+    $deleteEmailPicture = isset($updateValues['delete_email_picture']) ? $updateValues['delete_email_picture'] : '';
+
+    if ($deleteEmailPicture) {
+        CourseManager::deleteCourseEmailPicture($course_code);
+    }
     global $_configuration;
     $urlId = api_get_current_access_url_id();
     if (isset($_configuration[$urlId]) &&

main/inc/ajax/course.ajax.php

@@ -33,7 +33,7 @@ switch ($action) {
     case 'get_course_image':
         $courseId = ChamiloApi::getCourseIdByDirectory($_REQUEST['code']);
         $courseInfo = api_get_course_info_by_id($courseId);
-        $image = isset($_REQUEST['image']) && in_array($_REQUEST['image'], ['course_image_large_source', 'course_image_source']) ? $_REQUEST['image'] : '';
+        $image = isset($_REQUEST['image']) && in_array($_REQUEST['image'], ['course_image_large_source', 'course_image_source', 'course_email_image_large_source', 'course_email_image_source']) ? $_REQUEST['image'] : '';
         if ($courseInfo && $image) {
             // Arbitrarily set a cache of 10' for the course image to
             // avoid hammering the server with otherwise unfrequently

main/inc/lib/api.lib.php

@@ -2532,6 +2532,26 @@ function api_format_course_array($course_data)
 
     $_course['course_image_large'] = $url_image;
 
+    // email pictures
+    // Course image
+    $url_image = null;
+    $_course['course_email_image_source'] = '';
+    if (file_exists($courseSys.'/course-email-pic85x85.png')) {
+        $url_image = $webCourseHome.'/course-email-pic85x85.png';
+        $_course['course_email_image_source'] = $courseSys.'/course-email-pic85x85.png';
+    }
+    $_course['course_email_image'] = $url_image;
+
+    // Course large image
+    $url_image = null;
+    $_course['course_email_image_large_source'] = '';
+    if (file_exists($courseSys.'/course-email-pic.png')) {
+        $url_image = $webCourseHome.'/course-email-pic.png';
+        $_course['course_email_image_large_source'] = $courseSys.'/course-email-pic.png';
+    }
+
+    $_course['course_email_image_large'] = $url_image;
+
     return $_course;
 }
 
@@ -9527,6 +9547,9 @@ function api_mail_html(
     if (isset($additionalParameters['link'])) {
         $mailView->assign('link', $additionalParameters['link']);
     }
+    if (isset($additionalParameters['logo'])) {
+        $mailView->assign('logo', $additionalParameters['logo']);
+    }
     $mailView->assign('mail_header_style', api_get_configuration_value('mail_header_style'));
     $mailView->assign('mail_content_style', api_get_configuration_value('mail_content_style'));
     $mailView->assign('include_ldjson', (empty($platform_email['EXCLUDE_JSON']) ? true : false));

main/inc/lib/banner.lib.php

@@ -213,6 +213,28 @@ function return_logo($theme = '', $responsive = true)
         $class = '';
     }
 
+    if (api_get_setting('use_course_logo_in_course_page') === 'true') {
+        // check if current page is a course page
+        $courseCode = api_get_course_id();
+
+        if (!empty($courseCode)) {
+            $course = api_get_course_info($courseCode);
+            if (!empty($course) && !empty($course['course_email_image_large'])) {
+                $image = \Display::img(
+                    $course['course_email_image_large'],
+                    $course['name'],
+                    [
+                        'title' => $course['name'],
+                        'class' => $class,
+                        'id'    => 'header-logo',
+                    ]
+                );
+
+                return \Display::url($image, $course['course_public_url']);
+            }
+        }
+    }
+
     return ChamiloApi::getPlatformLogo(
         $theme,
         [

main/inc/lib/course.lib.php

@@ -7400,4 +7400,137 @@ class CourseManager
         $courseFieldValue = new ExtraFieldValue('course');
         $courseFieldValue->saveFieldValues($params);
     }
+    /**
+     * Update course email picture.
+     *
+     * @param array $courseInfo
+     * @param   string  File name
+     * @param   string  the full system name of the image
+     * from which course picture will be created
+     * @param string $cropParameters Optional string that contents "x,y,width,height" of a cropped image format
+     *
+     * @return bool Returns the resulting. In case of internal error or negative validation returns FALSE.
+     */
+    public static function update_course_email_picture(
+        $courseInfo,
+        $filename,
+        $source_file = null,
+        $cropParameters = null
+        ) {
+            if (empty($courseInfo)) {
+                return false;
+            }
+
+            // course path
+            $store_path = api_get_path(SYS_COURSE_PATH).$courseInfo['path'];
+            // image name for courses
+            $course_image = $store_path.'/course-email-pic.png';
+            $course_medium_image = $store_path.'/course-email-pic85x85.png';
+
+            if (file_exists($course_image)) {
+                unlink($course_image);
+            }
+            if (file_exists($course_medium_image)) {
+                unlink($course_medium_image);
+            }
+
+            //Crop the image to adjust 4:3 ratio
+            $image = new Image($source_file);
+            $image->crop($cropParameters);
+
+            //Resize the images in two formats
+            $medium = new Image($source_file);
+            $medium->resize(85);
+            $medium->send_image($course_medium_image, -1, 'png');
+            $normal = new Image($source_file);
+            $normal->resize(250);
+            $normal->send_image($course_image, -1, 'png');
+
+            $result = $medium && $normal;
+
+            return $result ? $result : false;
+    }
+
+    /**
+     * Deletes the course email picture.
+     *
+     * @param string $courseCode
+     */
+    public static function deleteCourseEmailPicture($courseCode)
+    {
+        $course_info = api_get_course_info($courseCode);
+        // course path
+        $storePath = api_get_path(SYS_COURSE_PATH).$course_info['path'];
+        // image name for courses
+        $courseImage = $storePath.'/course-email-pic.png';
+        $courseMediumImage = $storePath.'/course-email-pic85x85.png';
+        $courseSmallImage = $storePath.'/course-email-pic32.png';
+
+        if (file_exists($courseImage)) {
+            unlink($courseImage);
+        }
+        if (file_exists($courseMediumImage)) {
+            unlink($courseMediumImage);
+        }
+        if (file_exists($courseSmallImage)) {
+            unlink($courseSmallImage);
+        }
+    }
+
+    /**
+     * Get the course email picture path.
+     *
+     * @param bool $fullSize
+     *
+     * @return string|null
+     */
+    public static function getEmailPicturePath(Course $course, $fullSize = false)
+    {
+        if (!self::hasPicture($course)) {
+            return null;
+        }
+
+        if ($fullSize) {
+            return api_get_path(WEB_COURSE_PATH).$course->getDirectory().'/course-email-pic.png';
+        }
+
+        return api_get_path(WEB_COURSE_PATH).$course->getDirectory().'/course-email-pic85x85.png';
+    }
+
+    /**
+     * Get the course logo
+     *
+     * @param array $course array containing course info, @see api_get_course_info()
+     * @param array $attributes Array containing extra attributes for the image tag
+     *
+     * @return string|null
+     */
+    public static function getCourseLogo($course, $attributes = null)
+    {
+        $logo = null;
+        if (!empty($course)
+            && !empty($course['course_email_image_large_source'])
+            && file_exists($course['course_email_image_large_source'])
+        ) {
+            if (is_null($attributes)) {
+                $attributes = [
+                    'title' => $course['name'],
+                    'class' => 'img-responsive',
+                    'id'    => 'header-logo',
+                    'width' => 250,
+                ];
+            }
+
+            $logo = \Display::url(
+                \Display::img(
+                    $course['course_email_image_large'],
+                    $course['name'],
+                    $attributes
+                ),
+                api_get_path(WEB_PATH) . 'index.php'
+            );
+        }
+
+        return $logo;
+    }
 }

main/inc/lib/exercise.lib.php

@@ -7046,10 +7046,16 @@ EOT;
                                         $exercise_stat_info,
                                         $studentId
                                     );
+                                    $extraParameters = [];
+                                    if (api_get_setting('use_course_logo_in_course_page') === 'true') {
+                                        $extraParameters = ['logo' => CourseManager::getCourseLogo($courseInfo)];
+                                    }
                                     foreach ($emailList as $email) {
                                         if (empty($email)) {
                                             continue;
                                         }
+                                        
+
                                         api_mail_html(
                                             null,
                                             $email,
@@ -7058,7 +7064,10 @@ EOT;
                                             null,
                                             null,
                                             [],
-                                            $attachments
+                                            $attachments,
+                                            false,
+                                            $extraParameters,
+                                            ''
                                         );
                                     }
                                 }

main/inc/lib/pdf.lib.php

@@ -738,7 +738,17 @@ class PDF
                 }
             }
 
-            $organization = ChamiloApi::getPlatformLogo('', [], true, true);
+            $organization = null;
+
+            // try getting the course logo
+            if (api_get_setting('use_course_logo_in_course_page') === 'true') {
+                $organization = CourseManager::getCourseLogo($courseInfo, []);
+            }
+
+            if (empty($organization)) {
+                $organization = ChamiloApi::getPlatformLogo('', [], false, true);
+            }
+
             // Use custom logo image.
             $pdfLogo = api_get_setting('pdf_logo_header');
             if ($pdfLogo === 'true') {

main/inc/lib/template.lib.php

@@ -2074,11 +2074,27 @@ class Template
                 $portalImageMeta .= '<meta property="twitter:image:alt" content="'.$imageAlt.'" />'."\n";
             }
         } else {
-            $logo = ChamiloApi::getPlatformLogoPath($this->theme);
-            if (!empty($logo)) {
-                $portalImageMeta = '<meta property="og:image" content="'.$logo.'" />'."\n";
-                $portalImageMeta .= '<meta property="twitter:image" content="'.$logo.'" />'."\n";
-                $portalImageMeta .= '<meta property="twitter:image:alt" content="'.$imageAlt.'" />'."\n";
+
+            if (api_get_setting('use_course_logo_in_course_page') === 'true') {
+                // check if current page is a course page
+                $courseCode = api_get_course_id();
+
+                if (!empty($courseCode)) {
+                    $course = api_get_course_info($courseCode);
+                    if (!empty($course) && !empty($course['course_email_image_large'])) {
+                        $portalImageMeta = '<meta property="og:image" content="'.$course['course_email_image_large'].'" />'."\n";
+                        $portalImageMeta .= '<meta property="twitter:image" content="'.$course['course_email_image_large'].'" />'."\n";
+                        $portalImageMeta .= '<meta property="twitter:image:alt" content="'.$imageAlt.'" />'."\n";
+                    }
+                }
+            }
+            if (empty($portalImageMeta)) {
+                $logo = ChamiloApi::getPlatformLogoPath($this->theme);
+                if (!empty($logo)) {
+                    $portalImageMeta = '<meta property="og:image" content="'.$logo.'" />'."\n";
+                    $portalImageMeta .= '<meta property="twitter:image" content="'.$logo.'" />'."\n";
+                    $portalImageMeta .= '<meta property="twitter:image:alt" content="'.$imageAlt.'" />'."\n";
+                }
             }
         }
 

main/install/data.sql

@@ -1969,3 +1969,7 @@ INSERT INTO settings_options (variable, value, display_text) VALUES ('exercise_i
 INSERT INTO settings_current (variable, subkey, type, category, selected_value, title, comment, scope, subkeytext, access_url_changeable) VALUES ('configure_exercise_visibility_in_course',NULL,'radio','Session','false','ConfigureExerciseVisibilityInCourseTitle','ConfigureExerciseVisibilityInCourseComment','',NULL, 1);
 INSERT INTO settings_options (variable, value, display_text) VALUES ('configure_exercise_visibility_in_course','true','Yes');
 INSERT INTO settings_options (variable, value, display_text) VALUES ('configure_exercise_visibility_in_course','false','No');
+
+INSERT INTO settings_current (variable, subkey, type, category, selected_value, title, comment, scope, subkeytext, access_url, access_url_changeable, access_url_locked) VALUES ('use_course_logo_in_course_page', NULL, 'radio', 'Course', 'true', 'UseCourseLogoInCoursePageTitle', 'UseCourseLogoInCoursePageComment', NULL, NULL, 1, 1, 0);
+INSERT INTO settings_options (variable, value, display_text) VALUES ('use_course_logo_in_course_page', 'true', 'Yes');
+INSERT INTO settings_options (variable, value, display_text) VALUES ('use_course_logo_in_course_page', 'false', 'No');

main/lang/dutch/trad4all.inc.php

@@ -6882,4 +6882,9 @@ $FirstLesson = "Eerste lesmoment";
 $UserGuides = "Gidsen voor gebruikers";
 $OngoingTraining = "Lopende opleiding(en)";
 $ThereAreUsersOrCoursesUsingThisLanguageYouWantToDisableThisLanguageAndSetUsersAndCoursesWithTheDefaultPortalLanguage = "Er zijn gebruikers of cursussen die deze taal gebruiken. Wilt u deze taal uitschakelen en alle gebruikers en cursussen de standaard portal taal laten gebruiken?";
+$EmailImage = "Site & e-mail banner";
+$AddEmailPicture = "Voeg site & e-mail banner toe";
+$DeleteEmailPicture = "Verwijder site & e-mail banner";
+$UseCourseLogoInCoursePageTitle = "Gebruik het cursus logo in de header";
+$UseCourseLogoInCoursePageComment = "In plaats van het platform logo gebruik het cursus logo in de header";
 ?>

main/lang/english/trad4all.inc.php

@@ -8988,4 +8988,9 @@ $MatchingCombination = "Matching with exact selection";
 $HotSpotCombination = "Image zones with exact selection";
 $MatchingDraggableCombination = "Match by dragging with exact selection";
 $MultipleAnswerDropdownCombination = "Multiple answer dropdown with exact selection";
+$EmailImage = "Site & mail banner";
+$AddEmailPicture = "Add site & mail banner";
+$DeleteEmailPicture = "Delete site & mail banner";
+$UseCourseLogoInCoursePageTitle = "Use the course logo in the header";
+$UseCourseLogoInCoursePageComment = "Instead of the platform logo, use the course logo in the header";
 ?>

main/survey/surveyUtil.class.php

@@ -2993,6 +2993,11 @@ class SurveyUtil
                 true
             );
         } else {
+            $extraParameters = [];
+            if (api_get_setting('use_course_logo_in_course_page') === 'true') {
+                $extraParameters = ['logo' => CourseManager::getCourseLogo($_course)];
+            }
+
             @api_mail_html(
                 '',
                 $invitedUser,
@@ -3000,7 +3005,11 @@ class SurveyUtil
                 $full_invitation_text,
                 $sender_name,
                 $sender_email,
-                $replyto
+                $replyto,
+                [],
+                false,
+                $extraParameters,
+                ''
             );
         }
     }

main/wiki/wiki.inc.php

@@ -2253,6 +2253,12 @@ class Wiki
         }
         ///make and send email
         if ($allow_send_mail) {
+
+            $extraParameters = [];
+            if (api_get_setting('use_course_logo_in_course_page') === 'true') {
+                $extraParameters = ['logo' => CourseManager::getCourseLogo($_course)];
+            }
+
             while ($row = Database::fetch_array($result)) {
                 $userinfo = api_get_user_info(
                     $row['user_id']
@@ -2289,7 +2295,12 @@ class Wiki
                     $email_subject,
                     $email_body,
                     $sender_name,
-                    $sender_email
+                    $sender_email,
+                    [],
+                    [],
+                    false,
+                    $extraParameters,
+                    ''
                 );
             }
         }