link to the assignment's github page on the assignment detail and the build report should only be available to teachers

Author: palves-ulht

src/main/kotlin/org/dropProject/dao/ProjectGroupRestrictions.kt

@@ -1,5 +1,6 @@
 package org.dropProject.dao
 
+import javax.persistence.Column
 import javax.persistence.Entity
 import javax.persistence.GeneratedValue
 import javax.persistence.Id
@@ -12,6 +13,8 @@ data class ProjectGroupRestrictions(
 
     var minGroupSize: Int = 1,
     var maxGroupSize: Int? = null,
+
+    @Column(length = 1000)
     var exceptions: String? = null  // comma separated list of users that are exempt from the restrictions
 ) {
 

src/main/resources/templates/build-report.html

@@ -23,7 +23,8 @@
 
     <h1 class="page-header" th:text="'Build report for submission ' + ${submission.id}"></h1>
     <h6>
-        Assignment: <a th:href="${assignment.linkToGithub()}" th:text="${assignment.id}"></a> |
+        Assignment: <a th:if="${isTeacher}" th:href="${assignment.linkToGithub()}" th:text="${assignment.id}"></a>
+        <span th:if="${!isTeacher}" th:text="${assignment.id}"></span> |
         Submitted: <span th:text="${#dates.format(submission.submissionDate, 'dd-MM HH:mm:ss')}"></span>
         <a th:if="${isTeacher}"
            th:href="@{'/submissions?assignmentId=' + ${assignment.id} + '&groupId=' + ${submission.group.id}}">(other submissions)</a>