LTI: Avoid use AGS when there is no gradebook - refs BT#16379

plugin/ims_lti/configure.php

@@ -79,7 +79,9 @@ switch ($action) {
                         ->setRedirectUrl($formValues['redirect_url'])
                         ->setAdvantageServices(
                             [
-                                'ags' => $formValues['1p3_ags'],
+                                'ags' => isset($formValues['1p3_ags'])
+                                    ? $formValues['1p3_ags']
+                                    : LtiAssignmentGradesService::AGS_NONE,
                                 'nrps' => $formValues['1p3_nrps'],
                             ]
                         );
@@ -200,7 +202,9 @@ switch ($action) {
                         ->setRedirectUrl($formValues['redirect_url'])
                         ->setAdvantageServices(
                             [
-                                'ags' => $formValues['1p3_ags'],
+                                'ags' => isset($formValues['1p3_ags'])
+                                    ? $formValues['1p3_ags']
+                                    : LtiAssignmentGradesService::AGS_NONE,
                                 'nrps' => $formValues['1p3_nrps'],
                             ]
                         );

plugin/ims_lti/edit.php

@@ -66,7 +66,9 @@ if ($form->validate()) {
                 ->setRedirectUrl($formValues['redirect_url'])
                 ->setAdvantageServices(
                     [
-                        'ags' => $formValues['1p3_ags'],
+                        'ags' => isset($formValues['1p3_ags'])
+                            ? $formValues['1p3_ags']
+                            : LtiAssignmentGradesService::AGS_NONE,
                         'nrps' => $formValues['1p3_nrps'],
                     ]
                 )

plugin/ims_lti/lang/english.php

@@ -65,3 +65,4 @@ $strings['AuthUrl'] = 'OIDC Auth URL';
 $strings['TokenUrl'] = 'OAuth2 Access Token URL';
 $strings['KeySetUrl'] = 'Keyset URL';
 $strings['NamesAndRoleProvisioningService'] = 'Names and Role Provisioning Service';
+$strings['YouNeedCreateTheGradebokInCourseFirst'] = 'You must first create the course gradebook to use this service by following this link %s';

plugin/ims_lti/lang/french.php

@@ -36,3 +36,4 @@ $strings['ShareLauncherPicture'] = 'Share launcher\'s picture';
 $strings['NoTool'] = 'Tool not exists';
 $strings['ToolAddedOnCourseX'] = 'Tool addeed on course <strong>%s</strong>.';
 $strings['SupportDeppLinkingHelp'] = 'Contact your Tool Provider to verify if Deep Linking support is mandatory';
+$strings['YouNeedCreateTheGradebokInCourseFirst'] = 'You must first create the course gradebook to use this service by following this link %s';

plugin/ims_lti/lang/spanish.php

@@ -38,3 +38,4 @@ $strings['ToolAddedOnCourseX'] = 'Herramienta agregada en el curso <strong>%s</s
 $strings['SupportDeppLinkingHelp'] = 'Contacte a su Proveedor de Herramienta para verificar si el soporte a Deep Linking es obligatorio';
 $strings['NoAccessToUrl'] = 'Sin acceso a la URL';
 $strings['LaunchUrlNotFound'] = 'URL de lanzamiento no encontrada';
+$strings['YouNeedCreateTheGradebokInCourseFirst'] = 'Debe crear el libro de calificaciones del curso para usar este servicio siguiendo este enlace %s';

plugin/ims_lti/src/Form/FrmAdd.php

@@ -92,16 +92,42 @@ class FrmAdd extends FormValidator
             );
         }
 
+        $showAGS = false;
+
+        if (api_get_course_int_id()) {
+            $caterories = Category::load(null, null, api_get_course_id());
+
+            if (!empty($caterories)) {
+                $showAGS = true;
+            }
+        } else {
+            $showAGS = true;
+        }
+
         $this->addHtml('<div class="'.ImsLti::V_1P3.'" style="display: none;">');
-        $this->addRadio(
-            '1p3_ags',
-            $plugin->get_lang('AssigmentAndGradesService'),
-            [
-                LtiAssignmentGradesService::AGS_NONE => $plugin->get_lang('DontUseService'),
-                LtiAssignmentGradesService::AGS_SIMPLE => $plugin->get_lang('AGServiceSimple'),
-                LtiAssignmentGradesService::AGS_FULL => $plugin->get_lang('AGServiceFull'),
-            ]
-        );
+
+        if ($showAGS) {
+            $this->addRadio(
+                '1p3_ags',
+                $plugin->get_lang('AssigmentAndGradesService'),
+                [
+                    LtiAssignmentGradesService::AGS_NONE => $plugin->get_lang('DontUseService'),
+                    LtiAssignmentGradesService::AGS_SIMPLE => $plugin->get_lang('AGServiceSimple'),
+                    LtiAssignmentGradesService::AGS_FULL => $plugin->get_lang('AGServiceFull'),
+                ]
+            );
+        } else {
+            $gradebookUrl = api_get_path(WEB_CODE_PATH).'gradebook/index.php?'.api_get_cidreq();
+
+            $this->addLabel(
+                $plugin->get_lang('AssigmentAndGradesService'),
+                sprintf(
+                    $plugin->get_lang('YouNeedCreateTheGradebokInCourseFirst'),
+                    Display::url($gradebookUrl, $gradebookUrl)
+                )
+            );
+        }
+
         $this->addRadio(
             '1p3_nrps',
             $plugin->get_lang('NamesAndRoleProvisioningService'),

plugin/ims_lti/src/Form/FrmEdit.php

@@ -104,15 +104,40 @@ class FrmEdit extends FormValidator
         }
 
         if (null === $parent && $this->tool->getVersion() === ImsLti::V_1P3) {
-            $this->addRadio(
-                '1p3_ags',
-                $plugin->get_lang('AssigmentAndGradesService'),
-                [
-                    LtiAssignmentGradesService::AGS_NONE => $plugin->get_lang('DontUseService'),
-                    LtiAssignmentGradesService::AGS_SIMPLE => $plugin->get_lang('AGServiceSimple'),
-                    LtiAssignmentGradesService::AGS_FULL => $plugin->get_lang('AGServiceFull'),
-                ]
-            );
+            $showAGS = false;
+
+            if (api_get_course_int_id()) {
+                $caterories = Category::load(null, null, api_get_course_id());
+
+                if (!empty($caterories)) {
+                    $showAGS = true;
+                }
+            } else {
+                $showAGS = true;
+            }
+
+            if ($showAGS) {
+                $this->addRadio(
+                    '1p3_ags',
+                    $plugin->get_lang('AssigmentAndGradesService'),
+                    [
+                        LtiAssignmentGradesService::AGS_NONE => $plugin->get_lang('DontUseService'),
+                        LtiAssignmentGradesService::AGS_SIMPLE => $plugin->get_lang('AGServiceSimple'),
+                        LtiAssignmentGradesService::AGS_FULL => $plugin->get_lang('AGServiceFull'),
+                    ]
+                );
+            } else {
+                $gradebookUrl = api_get_path(WEB_CODE_PATH).'gradebook/index.php?'.api_get_cidreq();
+
+                $this->addLabel(
+                    $plugin->get_lang('AssigmentAndGradesService'),
+                    sprintf(
+                        $plugin->get_lang('YouNeedCreateTheGradebokInCourseFirst'),
+                        Display::url($gradebookUrl, $gradebookUrl)
+                    )
+                );
+            }
+
             $this->addRadio(
                 '1p3_nrps',
                 $plugin->get_lang('NamesAndRoleProvisioningService'),