Docs + email sending

buisnesslogic/src/main/java/com/plannaplan/services/AssignmentService.java

@@ -1,5 +1,6 @@
 package com.plannaplan.services;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
@@ -7,6 +8,7 @@ import com.plannaplan.entities.Assignment;
 import com.plannaplan.entities.Commision;
 import com.plannaplan.entities.Groups;
 import com.plannaplan.entities.User;
+import com.plannaplan.models.EmailAcceptedData;
 import com.plannaplan.repositories.AssignmentRepository;
 
 import org.springframework.beans.factory.annotation.Autowired;
@@ -28,6 +30,9 @@ public class AssignmentService {
     @Autowired
     private UserService userService;
 
+    @Autowired
+    private EmailService emailService;
+
     public AssignmentService() {
     }
 
@@ -65,11 +70,19 @@ public class AssignmentService {
         return this.repo.findById(id);
     }
 
+    /**
+     * this method will activate accept algorythm for all students. Algorythm is
+     * takeing each student in order defined by ranking and accept for him groups
+     * that are joinable for him
+     */
     public void callAcceptAlgorythm() {
         final List<User> students = this.userService.getStudentsSortedByRanking();
 
         students.forEach(e -> {
             final Optional<Commision> com = this.service.getNewestCommision(e);
+            final List<Groups> accepted = new ArrayList<>();
+            final List<Groups> removed = new ArrayList<>();
+
             if (com.isPresent()) {
                 final List<Assignment> assignments = this.getCommisionAssignments(com.get());
                 assignments.forEach(a -> {
@@ -77,9 +90,13 @@ public class AssignmentService {
                     if (group.getCapacity() > group.getRegisteredStudents().size()) {
                         e.claimGroup(group);
                         this.userService.save(e);
+                        accepted.add(group);
+                    } else {
+                        removed.add(group);
                     }
                 });
             }
+            this.emailService.sendAcceptationResult(e, new EmailAcceptedData(accepted, removed));
         });
     }
 }

buisnesslogic/src/main/java/com/plannaplan/services/EmailService.java

@@ -1,5 +1,8 @@
 package com.plannaplan.services;
 
+import com.plannaplan.entities.User;
+import com.plannaplan.models.EmailAcceptedData;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.mail.SimpleMailMessage;
@@ -35,4 +38,20 @@ public class EmailService {
         mailMessage.setText(message);
         emailSender.send(mailMessage);
     }
+
+    /**
+     * sends email with infromation about accepted groups
+     * 
+     * @param user user to send a mail
+     * @param data EmailAcceptedData instance containing informations about accepted
+     *             and removed groups
+     */
+    public void sendAcceptationResult(User user, EmailAcceptedData data) {
+        SimpleMailMessage mailMessage = new SimpleMailMessage();
+        mailMessage.setFrom(appEmail);
+        mailMessage.setTo(user.getEmail());
+        mailMessage.setSubject("[PlanNaPlan] Akceptacja przedmiotów");
+        mailMessage.setText(data.getEmailMessage());
+        emailSender.send(mailMessage);
+    }
 }