Examples with CoOpsPatchEvent fi.otavanopisto.muikku.plugins.material.coops.event.CoOpsPatchEvent used on opensource projects

Example 1 with CoOpsPatchEvent

use of fi.otavanopisto.muikku.plugins.material.coops.event.CoOpsPatchEvent in project muikku by otavanopisto.

the class CoOpsApiImpl method filePatch.

public void filePatch(String fileId, String sessionId, Long revisionNumber, String patch, Map<String, String> properties, Map<String, Object> extensions) throws CoOpsInternalErrorException, CoOpsUsageException, CoOpsNotFoundException, CoOpsConflictException, CoOpsForbiddenException {
    CoOpsSession session = coOpsSessionController.findSessionBySessionId(sessionId);
    if (session == null) {
        throw new CoOpsUsageException("Invalid session id");
    }
    CoOpsDiffAlgorithm algorithm = htmlMaterialController.findAlgorithm(session.getAlgorithm());
    if (algorithm == null) {
        throw new CoOpsUsageException("Algorithm is not supported by this server");
    }
    HtmlMaterial htmlMaterial = findFile(fileId);
    Long maxRevision = htmlMaterialController.lastHtmlMaterialRevision(htmlMaterial);
    if (!maxRevision.equals(revisionNumber)) {
        throw new CoOpsConflictException();
    }
    ObjectMapper objectMapper = new ObjectMapper();
    String checksum = null;
    if (StringUtils.isNotBlank(patch)) {
        String data = htmlMaterialController.getRevisionHtml(htmlMaterial, maxRevision);
        if (data == null) {
            data = "";
        }
        String patched = algorithm.patch(data, patch);
        checksum = DigestUtils.md5Hex(patched);
    }
    Long patchRevisionNumber = maxRevision + 1;
    HtmlMaterialRevision htmlMaterialRevision = htmlMaterialController.createRevision(htmlMaterial, sessionId, patchRevisionNumber, new Date(), patch, checksum);
    if (properties != null) {
        for (String key : properties.keySet()) {
            String value = properties.get(key);
            htmlMaterialController.createRevisionProperty(htmlMaterialRevision, key, value);
        }
    }
    if (extensions != null) {
        for (String key : extensions.keySet()) {
            String value;
            try {
                value = objectMapper.writeValueAsString(extensions.get(key));
            } catch (IOException e) {
                throw new CoOpsInternalErrorException(e);
            }
            htmlMaterialController.createRevisionExtensionProperty(htmlMaterialRevision, key, value);
        }
    }
    patchEvent.fire(new CoOpsPatchEvent(fileId, new Patch(sessionId, patchRevisionNumber, checksum, patch, properties, extensions)));
}