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package com.dalab.policyengine.mapper;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.springframework.stereotype.Component;
import com.dalab.policyengine.dto.PolicyDraftInputDTO;
import com.dalab.policyengine.dto.PolicyDraftOutputDTO;
import com.dalab.policyengine.model.PolicyDraft;
import com.dalab.policyengine.model.PolicyDraftStatus;
/**
* Mapper for converting between PolicyDraft entities and DTOs.
* Handles workflow status calculation and available actions based on current status and user permissions.
*/
@Component
public class PolicyDraftMapper {
/**
* Convert PolicyDraft entity to output DTO with workflow information.
*/
public PolicyDraftOutputDTO toOutputDTO(PolicyDraft draft) {
if (draft == null) {
return null;
}
PolicyDraftOutputDTO dto = new PolicyDraftOutputDTO();
// Basic information
dto.setId(draft.getId());
dto.setName(draft.getName());
dto.setDescription(draft.getDescription());
dto.setStatus(draft.getStatus().name());
dto.setVersion(draft.getVersion());
dto.setBasePolicyId(draft.getBasePolicyId());
dto.setConditionLogic(draft.getConditionLogic());
dto.setRulesDefinition(draft.getRulesDefinition());
dto.setActions(draft.getActions());
dto.setChangeSummary(draft.getChangeSummary());
dto.setJustification(draft.getJustification());
dto.setExpectedImpact(draft.getExpectedImpact());
dto.setTargetImplementationDate(draft.getTargetImplementationDate());
dto.setPriority(draft.getPriority());
dto.setCategory(draft.getCategory());
dto.setTags(draft.getTags());
dto.setStakeholders(draft.getStakeholders());
dto.setApprovalMetadata(draft.getApprovalMetadata());
dto.setReviewComments(draft.getReviewComments());
// Audit trail
dto.setCreatedAt(draft.getCreatedAt());
dto.setUpdatedAt(draft.getUpdatedAt());
dto.setCreatedByUserId(draft.getCreatedByUserId());
dto.setUpdatedByUserId(draft.getUpdatedByUserId());
dto.setSubmittedAt(draft.getSubmittedAt());
dto.setSubmittedByUserId(draft.getSubmittedByUserId());
dto.setApprovedAt(draft.getApprovedAt());
dto.setApprovedByUserId(draft.getApprovedByUserId());
dto.setRejectedAt(draft.getRejectedAt());
dto.setRejectedByUserId(draft.getRejectedByUserId());
dto.setPublishedAt(draft.getPublishedAt());
dto.setPublishedByUserId(draft.getPublishedByUserId());
// Enhanced workflow information
dto.setWorkflowStatus(createWorkflowStatus(draft));
dto.setAvailableActions(createAvailableActions(draft));
return dto;
}
/**
* Convert input DTO to PolicyDraft entity.
*/
public PolicyDraft toEntity(PolicyDraftInputDTO inputDTO) {
if (inputDTO == null) {
return null;
}
PolicyDraft draft = new PolicyDraft();
draft.setName(inputDTO.getName());
draft.setDescription(inputDTO.getDescription());
draft.setBasePolicyId(inputDTO.getBasePolicyId());
draft.setConditionLogic(inputDTO.getConditionLogic());
draft.setRulesDefinition(inputDTO.getRulesDefinition());
draft.setActions(inputDTO.getActions());
draft.setChangeSummary(inputDTO.getChangeSummary());
draft.setJustification(inputDTO.getJustification());
draft.setExpectedImpact(inputDTO.getExpectedImpact());
draft.setTargetImplementationDate(inputDTO.getTargetImplementationDate());
draft.setPriority(inputDTO.getPriority());
draft.setCategory(inputDTO.getCategory());
if (inputDTO.getTags() != null) {
draft.setTags(new ArrayList<>(inputDTO.getTags()));
}
if (inputDTO.getStakeholders() != null) {
draft.setStakeholders(new ArrayList<>(inputDTO.getStakeholders()));
}
return draft;
}
/**
* Update entity from input DTO (for updates).
*/
public void updateEntity(PolicyDraft draft, PolicyDraftInputDTO inputDTO) {
if (draft == null || inputDTO == null) {
return;
}
draft.setName(inputDTO.getName());
draft.setDescription(inputDTO.getDescription());
draft.setBasePolicyId(inputDTO.getBasePolicyId());
draft.setConditionLogic(inputDTO.getConditionLogic());
draft.setRulesDefinition(inputDTO.getRulesDefinition());
draft.setActions(inputDTO.getActions());
draft.setChangeSummary(inputDTO.getChangeSummary());
draft.setJustification(inputDTO.getJustification());
draft.setExpectedImpact(inputDTO.getExpectedImpact());
draft.setTargetImplementationDate(inputDTO.getTargetImplementationDate());
draft.setPriority(inputDTO.getPriority());
draft.setCategory(inputDTO.getCategory());
if (inputDTO.getTags() != null) {
draft.getTags().clear();
draft.getTags().addAll(inputDTO.getTags());
}
if (inputDTO.getStakeholders() != null) {
draft.getStakeholders().clear();
draft.getStakeholders().addAll(inputDTO.getStakeholders());
}
}
/**
* Create workflow status information for the draft.
*/
private PolicyDraftOutputDTO.WorkflowStatusDTO createWorkflowStatus(PolicyDraft draft) {
PolicyDraftOutputDTO.WorkflowStatusDTO status = new PolicyDraftOutputDTO.WorkflowStatusDTO();
PolicyDraftStatus currentStatus = draft.getStatus();
status.setCurrentStage(currentStatus.name());
status.setStatusDescription(getStatusDescription(currentStatus));
status.setNextPossibleStates(getNextPossibleStates(currentStatus));
status.setStageColor(getStageColor(currentStatus));
// Calculate days in current status
Instant statusChangeTime = getLastStatusChangeTime(draft, currentStatus);
if (statusChangeTime != null) {
long days = ChronoUnit.DAYS.between(statusChangeTime, Instant.now());
status.setDaysInCurrentStatus((int) days);
}
// Set permission flags (simplified - would integrate with security context in real implementation)
status.setCanEdit(canEdit(currentStatus));
status.setCanSubmit(canSubmit(currentStatus));
status.setCanApprove(canApprove(currentStatus));
status.setCanReject(canReject(currentStatus));
status.setCanPublish(canPublish(currentStatus));
return status;
}
/**
* Create available workflow actions for the draft.
*/
private List<PolicyDraftOutputDTO.WorkflowActionDTO> createAvailableActions(PolicyDraft draft) {
List<PolicyDraftOutputDTO.WorkflowActionDTO> actions = new ArrayList<>();
PolicyDraftStatus status = draft.getStatus();
switch (status) {
case CREATED:
case REQUIRES_CHANGES:
actions.add(new PolicyDraftOutputDTO.WorkflowActionDTO("SUBMIT", "Submit for Review"));
actions.add(new PolicyDraftOutputDTO.WorkflowActionDTO("ARCHIVE", "Archive Draft"));
break;
case SUBMITTED:
case UNDER_REVIEW:
actions.add(new PolicyDraftOutputDTO.WorkflowActionDTO("APPROVE", "Approve Draft"));
actions.add(new PolicyDraftOutputDTO.WorkflowActionDTO("REJECT", "Reject Draft"));
actions.add(new PolicyDraftOutputDTO.WorkflowActionDTO("REQUEST_CHANGES", "Request Changes"));
break;
case APPROVED:
actions.add(new PolicyDraftOutputDTO.WorkflowActionDTO("PUBLISH", "Publish Policy"));
actions.add(new PolicyDraftOutputDTO.WorkflowActionDTO("REJECT", "Reject Draft"));
break;
default:
// No actions available for REJECTED, PUBLISHED, ARCHIVED
break;
}
// Set action properties
for (PolicyDraftOutputDTO.WorkflowActionDTO action : actions) {
setActionProperties(action);
}
return actions;
}
/**
* Get human-readable description for status.
*/
private String getStatusDescription(PolicyDraftStatus status) {
switch (status) {
case CREATED:
return "Draft has been created and is ready for editing";
case SUBMITTED:
return "Draft has been submitted and is awaiting review";
case UNDER_REVIEW:
return "Draft is currently being reviewed";
case REQUIRES_CHANGES:
return "Draft requires changes based on reviewer feedback";
case APPROVED:
return "Draft has been approved and is ready for publication";
case REJECTED:
return "Draft has been rejected and will not be published";
case PUBLISHED:
return "Draft has been published as an active policy";
case ARCHIVED:
return "Draft has been archived and is no longer active";
default:
return "Unknown status";
}
}
/**
* Get next possible states for workflow transitions.
*/
private List<String> getNextPossibleStates(PolicyDraftStatus status) {
switch (status) {
case CREATED:
case REQUIRES_CHANGES:
return Arrays.asList("SUBMITTED", "ARCHIVED");
case SUBMITTED:
return Arrays.asList("UNDER_REVIEW", "APPROVED", "REJECTED", "REQUIRES_CHANGES");
case UNDER_REVIEW:
return Arrays.asList("APPROVED", "REJECTED", "REQUIRES_CHANGES");
case APPROVED:
return Arrays.asList("PUBLISHED", "REJECTED");
default:
return new ArrayList<>(); // Terminal states
}
}
/**
* Get color for UI status indicators.
*/
private String getStageColor(PolicyDraftStatus status) {
switch (status) {
case CREATED:
return "blue";
case SUBMITTED:
case UNDER_REVIEW:
return "orange";
case REQUIRES_CHANGES:
return "yellow";
case APPROVED:
return "green";
case REJECTED:
return "red";
case PUBLISHED:
return "purple";
case ARCHIVED:
return "gray";
default:
return "gray";
}
}
/**
* Get the timestamp of last status change.
*/
private Instant getLastStatusChangeTime(PolicyDraft draft, PolicyDraftStatus currentStatus) {
switch (currentStatus) {
case SUBMITTED:
return draft.getSubmittedAt();
case APPROVED:
return draft.getApprovedAt();
case REJECTED:
return draft.getRejectedAt();
case PUBLISHED:
return draft.getPublishedAt();
default:
return draft.getUpdatedAt();
}
}
/**
* Check if draft can be edited in current status.
*/
private boolean canEdit(PolicyDraftStatus status) {
return status == PolicyDraftStatus.CREATED || status == PolicyDraftStatus.REQUIRES_CHANGES;
}
/**
* Check if draft can be submitted in current status.
*/
private boolean canSubmit(PolicyDraftStatus status) {
return status == PolicyDraftStatus.CREATED || status == PolicyDraftStatus.REQUIRES_CHANGES;
}
/**
* Check if draft can be approved in current status.
*/
private boolean canApprove(PolicyDraftStatus status) {
return status == PolicyDraftStatus.SUBMITTED || status == PolicyDraftStatus.UNDER_REVIEW;
}
/**
* Check if draft can be rejected in current status.
*/
private boolean canReject(PolicyDraftStatus status) {
return status == PolicyDraftStatus.SUBMITTED ||
status == PolicyDraftStatus.UNDER_REVIEW ||
status == PolicyDraftStatus.APPROVED;
}
/**
* Check if draft can be published in current status.
*/
private boolean canPublish(PolicyDraftStatus status) {
return status == PolicyDraftStatus.APPROVED;
}
/**
* Set properties for workflow actions.
*/
private void setActionProperties(PolicyDraftOutputDTO.WorkflowActionDTO action) {
switch (action.getActionType()) {
case "SUBMIT":
action.setActionDescription("Submit the draft for review by approvers");
action.setRequiresComment(false);
action.setConfirmationMessage("Are you sure you want to submit this draft for review?");
action.setButtonStyle("primary");
break;
case "APPROVE":
action.setActionDescription("Approve the draft for publication");
action.setRequiresComment(false);
action.setConfirmationMessage("Are you sure you want to approve this draft?");
action.setButtonStyle("success");
break;
case "REJECT":
action.setActionDescription("Reject the draft and prevent publication");
action.setRequiresComment(true);
action.setConfirmationMessage("Are you sure you want to reject this draft? This action cannot be undone.");
action.setButtonStyle("danger");
break;
case "REQUEST_CHANGES":
action.setActionDescription("Request changes from the draft author");
action.setRequiresComment(true);
action.setConfirmationMessage("Please provide details about the required changes");
action.setButtonStyle("warning");
break;
case "PUBLISH":
action.setActionDescription("Publish the draft as an active policy");
action.setRequiresComment(false);
action.setConfirmationMessage("Are you sure you want to publish this draft as an active policy?");
action.setButtonStyle("success");
break;
case "ARCHIVE":
action.setActionDescription("Archive the draft");
action.setRequiresComment(false);
action.setConfirmationMessage("Are you sure you want to archive this draft?");
action.setButtonStyle("secondary");
break;
}
}
} |