[R9] Find one free doctor by specialty use case class

src/main/java/com/mirna/hospitalmanagementapi/application/usecase/doctor/FindOneFreeDoctorBySpecialtyUseCase.java

@@ -0,0 +1,35 @@
+package com.mirna.hospitalmanagementapi.application.usecase.doctor;
+
+import java.time.LocalDateTime;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import com.mirna.hospitalmanagementapi.domain.entities.Doctor;
+import com.mirna.hospitalmanagementapi.domain.enums.Specialty;
+import com.mirna.hospitalmanagementapi.domain.repositories.DoctorRepository;
+
+/**
+ * This class is used to execute the findOneFreeDoctorBySpecialty method 
+ * 
+ * @author Mirna Gama
+ * @version 1.0
+ */
+@Component
+public class FindOneFreeDoctorBySpecialtyUseCase {
+
+	@Autowired
+	private DoctorRepository doctorRepository;
+	
+	/**
+	 * Executes the findOneFreeDoctorBySpecialty method from Doctor repository
+	 * 
+	 * @param specialty Desired specialty for doctor search
+	 * @param consultationDate Date to check if the doctor is free
+	 * @return A random free doctor with the defined specialty if successful, or null if it is non-existent
+	 *
+	 */
+	public Doctor execute(Specialty specialty, LocalDateTime consultationDate) {
+		return doctorRepository.findOneFreeDoctorBySpecialty(specialty, consultationDate);
+	}
+}