Append HTML string with ng-digest

append_digest.js

$scope.link = function($elementRoot, element){
        $elementRoot.append($compile(element)($scope));
        $scope.$digest($elementRoot);
};

ListLessonsCtrl.link($scrollPane.find('.jspPane'),
                    '<div class="btn-lesson {{lesson.buttonColor}}" ng-repeat="lesson in lessons[\'' + day.id + '\'] track by $index|orderBy:lesson.created_at" ' +
                        'ng-init="lessonIdx = $index">' +
                        '<a class="btn btn-default" ng-click="showLessonSummary($index, \'' + day.id + '\')" onclick="preventExpand = true">' +
                            '{{lesson.name}} <div class="stud-ratio gone">| {{lesson.studTaken}} / {{lesson.studCount}}</div>' +
                            '<div class="lesson-preview gone">' +
                                '<div class="input-group" ng-repeat="student in lesson.students|orderBy:student.name">' +
                                  '<span class="input-group-addon label-{{student.gradeColor}}">{{student.grade}}</span>' +
                                  '<span class="input-group-btn">' +
                                    '<button class="btn btn-default btn-block" ng-click="showStudentSummary(student.id, student.user_id, \'' + day.id + '\', lessonIdx)">{{getName(student.user_id)}}</button>' +
                                  '</span>' +
                                '</div>' +
                            '</div>' +
                        '</a>' +
                        '<span class="badge">{{lesson.time}}</span>' +
                    '</div>');