package jnpf.dmsService;
|
|
import jnpf.audit.sdk.annotation.AuditLog;
|
import jnpf.base.UserInfo;
|
import jnpf.dmsEntity.compare.DmsCompareRequest;
|
import jnpf.dmsEntity.compare.DmsCompareTicket;
|
import jnpf.dmsEntity.permission.entity.DmsFileVersionEntity;
|
import jnpf.dmsEntity.permission.enums.DmsPermissionAction;
|
import jnpf.dmsEntity.permission.enums.DmsResourceType;
|
import jnpf.dmsEntity.preview.form.DmsFilePreviewTicketRequest;
|
import jnpf.dmsEntity.preview.vo.DmsFilePreviewTicketVO;
|
import jnpf.dmsMapper.DmsFileVersionMapper;
|
import jnpf.dmsPermission.DmsCurrentIdentity;
|
import jnpf.exception.DataException;
|
import lombok.RequiredArgsConstructor;
|
import org.springframework.stereotype.Service;
|
import java.nio.charset.StandardCharsets;
|
import java.util.Locale;
|
import java.util.UUID;
|
|
@Service
|
@RequiredArgsConstructor
|
public class DmsFileCompareService {
|
private final DmsCurrentIdentity identity;
|
private final DmsPermissionDecisionService permissions;
|
private final DmsFileVersionMapper versions;
|
private final DmsFilePreviewService previews;
|
private final DmsCompareTicketIssuer issuer;
|
|
@AuditLog(action = "FILE_VERSION_COMPARE", label = "文件版本比较", bizModule = "DMS",
|
bizCodeExpr = "#p0.documentId",
|
extraExpr = "{'historicalVersionId': #p0.historicalVersionId, 'currentVersionId': #p0.currentVersionId}")
|
public String createTicket(DmsCompareRequest request) {
|
UserInfo user = identity.requireUser();
|
String tenant = identity.tenantId(user);
|
permissions.requireAllowed(DmsResourceType.FILE_VERSION, request.getCurrentVersionId(), DmsPermissionAction.READ);
|
permissions.requireAllowed(DmsResourceType.FILE_VERSION, request.getHistoricalVersionId(), DmsPermissionAction.READ);
|
DmsFileVersionEntity current = versions.selectCurrentEffective(tenant, request.getDocumentId());
|
DmsFileVersionEntity historical = versions.selectReadableByTenantAndId(tenant, request.getHistoricalVersionId());
|
validatePair(request, current, historical);
|
DmsCompareTicket ticket = new DmsCompareTicket();
|
ticket.setTenantId(tenant);
|
ticket.setUserId(user.getUserId());
|
ticket.setDocumentId(request.getDocumentId());
|
ticket.setHistoricalLabel(label(historical));
|
ticket.setCurrentLabel(label(current));
|
ticket.setHistorical(preview(historical.getId(), request.getOperationId(), "historical"));
|
ticket.setCurrent(preview(current.getId(), request.getOperationId(), "current"));
|
ticket.setExpiresAt(Math.min(ticket.getHistorical().getExpiresAt().getTime(), ticket.getCurrent().getExpiresAt().getTime()));
|
return issuer.issue(ticket, Math.max(1, (ticket.getExpiresAt() - System.currentTimeMillis()) / 1000));
|
}
|
|
static void validatePair(DmsCompareRequest request, DmsFileVersionEntity current, DmsFileVersionEntity historical) {
|
if (current == null || !current.getId().equals(request.getCurrentVersionId())) {
|
throw new DataException("现行版本已变化，请刷新文件列表后重新比较");
|
}
|
if (historical == null || !request.getDocumentId().equals(current.getDocumentId())
|
|| !request.getDocumentId().equals(historical.getDocumentId())
|
|| historical.getId().equals(current.getId())
|
|| historical.getVersionNo() == null || current.getVersionNo() == null
|
|| historical.getVersionNo() >= current.getVersionNo()) {
|
throw new DataException("请选择同一文件之前修订的历史版本");
|
}
|
if (!isDocx(current.getFileName()) || !isDocx(historical.getFileName())) {
|
throw new DataException("版本比较目前仅支持 DOCX 文件");
|
}
|
}
|
|
private DmsFilePreviewTicketVO preview(UUID id, UUID operationId, String side) {
|
DmsFilePreviewTicketRequest request = new DmsFilePreviewTicketRequest();
|
request.setResourceType(DmsResourceType.FILE_VERSION);
|
request.setResourceId(id);
|
request.setOperationId(UUID.nameUUIDFromBytes((operationId + ":compare:" + side + ":" + id).getBytes(StandardCharsets.UTF_8)));
|
return previews.createTicket(request);
|
}
|
|
private static boolean isDocx(String name) {
|
return name != null && name.toLowerCase(Locale.ROOT).endsWith(".docx");
|
}
|
|
private static String label(DmsFileVersionEntity version) {
|
return version.getVersionLabel() == null || version.getVersionLabel().trim().isEmpty()
|
? "v" + version.getVersionNo() : version.getVersionLabel();
|
}
|
}
|
