TaskValidator.java example

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constellio-master
package com.constellio.app.modules.tasks.model.validators;

import com.constellio.app.modules.tasks.model.wrappers.Task;
import com.constellio.model.entities.schemas.ConfigProvider;
import com.constellio.model.entities.schemas.MetadataSchema;
import com.constellio.model.entities.schemas.validation.RecordValidator;
import com.constellio.model.frameworks.validation.ValidationErrors;
import com.constellio.model.services.records.RecordValidatorParams;

public class TaskValidator implements RecordValidator {
	public static final String ASSIGNATION_DATE_AND_ASSIGNED_ON_ASSIGNER_SHOULD_BE_ALL_NULL_OR_ALL_NOT_NULL = "assignationDateAndAssignedOnAndAssignerShouldBeAllNullOrAllNotNull";
	public static final String DUE_DATE_MUST_BE_LESSER_OR_EQUAL_THAN_PARENT_DUE_DATE = "dueDateMustBeLesserOrEqualThanParentDueDate";
	public static final String TASK_DECISION_IS_REQUIRED = "taskDecisionIsRequired";

	@Override
	public void validate(RecordValidatorParams params) {
		Task task = new Task(params.getValidatedRecord(), params.getTypes());
		validate(task, params.getSchema(), params.getConfigProvider(), params.getValidationErrors());
	}

	public void validate(Task task, MetadataSchema schema, ConfigProvider configProvider, ValidationErrors validationErrors) {
		boolean taskAssignationIsNull = taskAssignationIsNull(task);
		if (task.getAssigner() == null || task.getAssignedOn() == null || taskAssignationIsNull) {
			if (!(task.getAssigner() == null && task.getAssignedOn() == null && task.getAssignee() == null)) {
				validationErrors.add(getClass(), ASSIGNATION_DATE_AND_ASSIGNED_ON_ASSIGNER_SHOULD_BE_ALL_NULL_OR_ALL_NOT_NULL);
			}
		}

		if (task.getDueDate() != null && task.getParentTaskDueDate() != null
				&& task.getDueDate().isAfter(task.getParentTaskDueDate())) {
			validationErrors.add(getClass(), DUE_DATE_MUST_BE_LESSER_OR_EQUAL_THAN_PARENT_DUE_DATE);
		}

		if (task.getWorkflowInstance() != null && task.getStatusType().isFinishedOrClosed()) {
			if (task.hasDecisions() && !task.getNextTasksDecisionsCodes().contains(task.getDecision())) {
				validationErrors.add(getClass(), TASK_DECISION_IS_REQUIRED);
			}
		}
	}

	private boolean taskAssignationIsNull(Task task) {
		return task.getAssignee() == null && (task.getAssigneeGroupsCandidates() == null || task.getAssigneeGroupsCandidates()
				.isEmpty())
				&& (task.getAssigneeUsersCandidates() == null || task.getAssigneeUsersCandidates().isEmpty());
	}
}