improve logging for Moodle user Details

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/moodle/MoodleUtils.java

@@ -530,6 +530,29 @@ public abstract class MoodleUtils {
             this.mailformat = mailformat;
             this.descriptionformat = descriptionformat;
         }
+        @Override
+        public String toString() {
+            return "MoodleUserDetails{" +
+                    "id='" + id + '\'' +
+                    ", username='" + username + '\'' +
+                    ", firstname='" + firstname + '\'' +
+                    ", lastname='" + lastname + '\'' +
+                    ", fullname='" + fullname + '\'' +
+                    ", email='" + email + '\'' +
+                    ", department='" + department + '\'' +
+                    ", firstaccess=" + firstaccess +
+                    ", lastaccess=" + lastaccess +
+                    ", auth='" + auth + '\'' +
+                    ", suspended=" + suspended +
+                    ", confirmed=" + confirmed +
+                    ", lang='" + lang + '\'' +
+                    ", theme='" + theme + '\'' +
+                    ", timezone='" + timezone + '\'' +
+                    ", description='" + description + '\'' +
+                    ", mailformat=" + mailformat +
+                    ", descriptionformat=" + descriptionformat +
+                    '}';
+        }
     }
 
     @JsonIgnoreProperties(ignoreUnknown = true)

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/moodle/legacy/MoodleCourseAccess.java

@@ -403,6 +403,10 @@ public class MoodleCourseAccess implements CourseAccessAPI {
                 throw new RuntimeException("No user details on Moodle API request");
             }
 
+            if (log.isDebugEnabled()) {
+                log.debug("User details received from Moodle: {}", userDetails[0]);
+            }
+
             final Map<String, String> additionalAttributes = MoodleUtils.getMoodleAccountDetails(userDetails);
             return new ExamineeAccountDetails(
                     userDetails[0].id,

src/main/java/ch/ethz/seb/sebserver/webservice/servicelayer/lms/impl/moodle/plugin/MoodlePluginCourseAccess.java

@@ -339,6 +339,10 @@ public class MoodlePluginCourseAccess extends AbstractCachedCourseAccess impleme
                 throw new RuntimeException("No user details on Moodle API request");
             }
 
+            if (log.isDebugEnabled()) {
+                log.debug("User details received from Moodle: {}", userDetails[0]);
+            }
+
             final Map<String, String> additionalAttributes = MoodleUtils.getMoodleAccountDetails(userDetails);
             return new ExamineeAccountDetails(
                     userDetails[0].id,