Task 10 - Client Side

README-Jodi.md

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+# Jodi Mitchell
+
+This is my Readme for my first commit.

src/main/java/edu/uark/registerapp/commands/activeUsers/ActiveUserDeleteCommand.java

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+package edu.uark.registerapp.commands.activeUsers;
+
+import java.util.Optional;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import edu.uark.registerapp.commands.VoidCommandInterface;
+import edu.uark.registerapp.models.entities.ActiveUserEntity;
+import edu.uark.registerapp.models.repositories.ActiveUserRepository;
+
+@Service
+public class ActiveUserDeleteCommand implements VoidCommandInterface {
+	@Transactional
+	@Override
+	public void execute() {
+		final Optional<ActiveUserEntity> activeUserEntity =
+			this.activeUserRepository.findBySessionKey(this.sessionKey);
+
+		if (activeUserEntity.isPresent()) {
+			this.activeUserRepository.delete(activeUserEntity.get());
+		}
+	}
+
+	// Properties
+	private String sessionKey;
+	public String getSessionKey() {
+		return this.sessionKey;
+	}
+	public ActiveUserDeleteCommand setSessionKey(final String sessionKey) {
+		this.sessionKey = sessionKey;
+		return this;
+	}
+
+	@Autowired
+	private ActiveUserRepository activeUserRepository;
+}

src/main/java/edu/uark/registerapp/commands/activeUsers/ValidateActiveUserCommand.java

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+package edu.uark.registerapp.commands.activeUsers;
+
+import java.util.Optional;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import edu.uark.registerapp.commands.ResultCommandInterface;
+import edu.uark.registerapp.commands.exceptions.UnauthorizedException;
+import edu.uark.registerapp.models.entities.ActiveUserEntity;
+import edu.uark.registerapp.models.repositories.ActiveUserRepository;
+
+@Service
+public class ValidateActiveUserCommand implements ResultCommandInterface<ActiveUserEntity> {
+	@Override
+	public ActiveUserEntity execute() {
+		final Optional<ActiveUserEntity> activeUserEntity =
+			this.activeUserRepository.findBySessionKey(this.sessionKey);
+
+		if (!activeUserEntity.isPresent()) {
+			throw new UnauthorizedException();
+		}
+
+		return activeUserEntity.get();
+	}
+
+	// Properties
+	private String sessionKey;
+
+	public String getSessionKey() {
+		return this.sessionKey;
+	}
+
+	public ValidateActiveUserCommand setSessionKey(final String sessionKey) {
+		this.sessionKey = sessionKey;
+		return this;
+	}
+
+	@Autowired
+	private ActiveUserRepository activeUserRepository;
+}

src/main/java/edu/uark/registerapp/commands/employees/ActiveEmployeeExistsQuery.java

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+package edu.uark.registerapp.commands.employees;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import edu.uark.registerapp.commands.VoidCommandInterface;
+import edu.uark.registerapp.commands.exceptions.NotFoundException;
+import edu.uark.registerapp.models.repositories.EmployeeRepository;
+
+@Service
+public class ActiveEmployeeExistsQuery implements VoidCommandInterface {
+	@Override
+	public void execute() {
+		if (!this.employeeRepository.existsByIsActive(true)) {
+			throw new NotFoundException("Employee");
+		}
+	}
+
+	@Autowired
+	private EmployeeRepository employeeRepository;
+}

src/main/java/edu/uark/registerapp/commands/employees/EmployeeCreateCommand.java

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+// This will create a new employee
+
+package edu.uark.registerapp.commands.employees;
+
+import org.apache.commons.lang3.StringUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import edu.uark.registerapp.commands.ResultCommandInterface;
+import edu.uark.registerapp.commands.employees.helpers.EmployeeHelper;
+import edu.uark.registerapp.commands.exceptions.UnprocessableEntityException;
+import edu.uark.registerapp.models.api.Employee;
+import edu.uark.registerapp.models.entities.EmployeeEntity;
+import edu.uark.registerapp.models.enums.EmployeeClassification;
+import edu.uark.registerapp.models.repositories.EmployeeRepository;
+
+@Service
+public class EmployeeCreateCommand implements ResultCommandInterface<Employee> {
+	@Override
+	public Employee execute() {
+		this.validateProperties();
+
+		// If this is the first employee to be added and make them the general manager
+		if (this.isInitialEmployee) {
+			this.apiEmployee.setClassification(
+				EmployeeClassification.GENERAL_MANAGER.getClassification());
+		}
+
+		 // Create a new ENTITY object from the API object details.
+		final EmployeeEntity employeeEntity =
+			this.employeeRepository.save(new EmployeeEntity(this.apiEmployee));
+
+		// Synchronize information generated by the database upon INSERT.
+		this.apiEmployee.setId(employeeEntity.getId());
+		// Only send the password over the network when modifying the database.
+		this.apiEmployee.setPassword(StringUtils.EMPTY);
+		// Only send the password over the network when modifying the database.
+		this.apiEmployee.setCreatedOn(employeeEntity.getCreatedOn());
+		this.apiEmployee.setEmployeeId(
+			EmployeeHelper.padEmployeeId(
+				employeeEntity.getEmployeeId()));
+
+		return this.apiEmployee;
+	}
+
+	// Helper methods
+	// This checks the fields on the view. 
+	// Will not accept if any of the fields are blank.
+	private void validateProperties() {
+		if (StringUtils.isBlank(this.apiEmployee.getFirstName())) {
+			throw new UnprocessableEntityException("first name");
+		}
+		if (StringUtils.isBlank(this.apiEmployee.getLastName())) {
+			throw new UnprocessableEntityException("last name");
+		}
+		if (StringUtils.isBlank(this.apiEmployee.getPassword())) {
+			throw new UnprocessableEntityException("password");
+		}
+
+		// If there is a single employee in the DB then select a position for the new addition
+		if (!this.isInitialEmployee
+			&& (EmployeeClassification.map(this.apiEmployee.getClassification()) == EmployeeClassification.NOT_DEFINED)) {
+
+			throw new UnprocessableEntityException("classification");
+		}
+	}
+
+	// Getters and Setters for the new employee
+	private Employee apiEmployee;
+	public Employee getApiEmployee() {
+		return this.apiEmployee;
+	}
+	public EmployeeCreateCommand setApiEmployee(final Employee apiEmployee) {
+		this.apiEmployee = apiEmployee;
+		return this;
+	}
+
+	// Getters and Setters for the first employee, the general manager.
+	private boolean isInitialEmployee;
+	public boolean getIsInitialEmployee() {
+		return this.isInitialEmployee;
+	}
+	public EmployeeCreateCommand setIsInitialEmployee(
+		final boolean isInitialEmployee
+	) {
+
+		this.isInitialEmployee = isInitialEmployee;
+		return this;
+	}
+
+	@Autowired
+	private EmployeeRepository employeeRepository;
+
+	public EmployeeCreateCommand() {
+		this.isInitialEmployee = false;
+	}
+}

src/main/java/edu/uark/registerapp/commands/employees/EmployeeDeleteCommand.java

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+// This will delete an employee by their employee ID
+
+package edu.uark.registerapp.commands.employees;
+
+import java.util.Optional;
+import java.util.UUID;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import edu.uark.registerapp.commands.VoidCommandInterface;
+import edu.uark.registerapp.commands.exceptions.NotFoundException;
+import edu.uark.registerapp.models.entities.EmployeeEntity;
+import edu.uark.registerapp.models.repositories.EmployeeRepository;
+
+@Service
+public class EmployeeDeleteCommand implements VoidCommandInterface {
+	@Transactional
+	@Override
+	public void execute() {
+		final Optional<EmployeeEntity> employeeEntity =
+			this.employeeRepository.findById(this.employeeId);// Find the employee first
+
+		if (!employeeEntity.isPresent()) { // No record with the associated record ID exists in the database.
+			throw new NotFoundException("Product");
+		}
+
+		this.employeeRepository.delete(employeeEntity.get()); // Delete the employee if found
+	}
+
+	// Getters and Setters
+	private UUID employeeId;
+	public UUID getEmployeeId() {
+		return this.employeeId;
+	}
+	public EmployeeDeleteCommand setEmployeeId(final UUID productId) {
+		this.employeeId = productId;
+		return this;
+	}
+
+	@Autowired
+	private EmployeeRepository employeeRepository;
+}

src/main/java/edu/uark/registerapp/commands/employees/EmployeeQuery.java

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+// Find employee by Id
+
+package edu.uark.registerapp.commands.employees;
+
+import java.util.Optional;
+import java.util.UUID;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import edu.uark.registerapp.commands.ResultCommandInterface;
+import edu.uark.registerapp.commands.exceptions.NotFoundException;
+import edu.uark.registerapp.models.api.Employee;
+import edu.uark.registerapp.models.entities.EmployeeEntity;
+import edu.uark.registerapp.models.repositories.EmployeeRepository;
+
+@Service
+public class EmployeeQuery implements ResultCommandInterface<Employee> {
+	@Override
+	public Employee execute() {
+		final Optional<EmployeeEntity> employeeEntity =
+			this.employeeRepository.findById(this.employeeId);
+
+		if (employeeEntity.isPresent()) {
+			return new Employee(employeeEntity.get());
+		} else {
+			throw new NotFoundException("Employee");
+		}
+	}
+
+	// Getters and setters
+	private UUID employeeId;
+	public UUID getEmployeeId() {
+		return this.employeeId;
+	}
+	public EmployeeQuery setEmployeeId(final UUID employeeId) {
+		this.employeeId = employeeId;
+		return this;
+	}
+
+	@Autowired
+	private EmployeeRepository employeeRepository;
+}