Examples with DocumentsChain io.lumeer.api.model.DocumentsChain used on opensource projects

Example 1 with DocumentsChain

use of io.lumeer.api.model.DocumentsChain in project engine by Lumeer.

the class DocumentFacade method createDocumentsChain.

public DocumentsChain createDocumentsChain(List<Document> documents, List<LinkInstance> linkInstances) {
    var collectionsMap = documents.stream().filter(document -> document.getId() == null).map(document -> checkCreateDocuments(document.getCollectionId())).collect(Collectors.toMap(Resource::getId, Function.identity()));
    var linkTypesMap = linkInstances.stream().filter(linkInstance -> linkInstance.getId() == null).map(linkInstanceId -> checkCreateLinks(linkInstanceId.getLinkTypeId())).collect(Collectors.toMap(LinkType::getId, Function.identity()));
    permissionsChecker.checkDocumentLimits(documents);
    if (documents.isEmpty()) {
        return new DocumentsChain(Collections.emptyList(), Collections.emptyList());
    }
    List<Document> createdDocuments = new ArrayList<>();
    List<LinkInstance> createdLinks = new ArrayList<>();
    String previousDocumentId = linkInstances.size() == documents.size() ? Utils.firstNotNullElement(linkInstances.get(0).getDocumentIds()) : null;
    var linkInstanceIndex = 0;
    for (Document document : documents) {
        String currentDocumentId;
        if (document.getId() != null) {
            currentDocumentId = document.getId();
        } else {
            var collection = collectionsMap.get(document.getCollectionId());
            var tuple = createDocument(collection, document);
            createdDocuments.add(tuple.getSecond());
            currentDocumentId = tuple.getFirst().getId();
            collectionAdapter.updateCollectionMetadata(collection, tuple.getSecond().getData().keySet(), Collections.emptySet());
        }
        var linkInstance = linkInstances.size() > linkInstanceIndex ? linkInstances.get(linkInstanceIndex) : null;
        if (previousDocumentId != null && linkInstance != null) {
            linkInstance.setDocumentIds(Arrays.asList(previousDocumentId, currentDocumentId));
            if (linkInstance.getId() != null) {
                var updatedLinkInstance = linkInstanceDao.updateLinkInstance(linkInstance.getId(), linkInstance);
                updatedLinkInstance.setData(linkInstance.getData());
                createdLinks.add(updatedLinkInstance);
            } else {
                var linkType = linkTypesMap.get(linkInstance.getLinkTypeId());
                var linkData = linkInstanceFacade.createLinkInstance(linkType, linkInstance);
                createdLinks.add(linkData.getSecond());
            }
            linkInstanceIndex++;
        }
        previousDocumentId = currentDocumentId;
    }
    if (this.createChainEvent != null) {
        this.createChainEvent.fire(new CreateDocumentsAndLinks(createdDocuments, createdLinks));
    }
    return new DocumentsChain(createdDocuments, createdLinks);
}