import com.plannaplan.entities.Assignment;

buisnesslogic/src/main/java/com/plannaplan/entities/Unavailability.java

@@ -0,0 +1,30 @@
+package com.plannaplan.entities;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+
+@Entity
+public class Unavailability {
+    @Id
+    @GeneratedValue(strategy = GenerationType.AUTO)
+    private Long id;
+    @ManyToOne
+    @JoinColumn(name = "user_id")
+    private User lecturer;
+    private int time;
+
+    public Unavailability() {
+    }
+
+    public int getTime() {
+        return time;
+    }
+
+    public void setTime(int time) {
+        this.time = time;
+    }
+}

buisnesslogic/src/main/java/com/plannaplan/repositories/UnavailabilityRepository.java

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+package com.plannaplan.repositories;
+
+import com.plannaplan.entities.Unavailability;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UnavailabilityRepository extends JpaRepository<Unavailability, Long> {
+
+}

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

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+package com.plannaplan.services;
+
+import com.plannaplan.repositories.UnavailabilityRepository;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class UnavailabilityService {
+    @Autowired
+    private UnavailabilityRepository repos;
+}