org.obiba.mica.micaConfig.service.DataAccessFormService.java Source code

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Here is the source code for org.obiba.mica.micaConfig.service.DataAccessFormService.java

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/*
 * Copyright (c) 2018 OBiBa. All rights reserved.
 *
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.obiba.mica.micaConfig.service;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.obiba.mica.file.FileStoreService;
import org.obiba.mica.micaConfig.domain.DataAccessForm;
import org.obiba.mica.micaConfig.repository.DataAccessFormRepository;
import org.springframework.core.io.DefaultResourceLoader;
import org.springframework.core.io.Resource;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import javax.inject.Inject;
import java.io.IOException;
import java.util.Optional;
import java.util.Scanner;

import static org.springframework.util.StringUtils.isEmpty;

@Component
public class DataAccessFormService {

    @Inject
    FileStoreService fileStoreService;

    @Inject
    DataAccessFormRepository dataAccessFormRepository;

    public DataAccessForm createOrUpdate(DataAccessForm dataAccessForm) {
        validateForm(dataAccessForm);

        dataAccessForm.getPdfTemplates().forEach((k, v) -> {
            if (v.isJustUploaded()) {
                fileStoreService.save(v.getId());
                v.setJustUploaded(false);
            }
        });

        return dataAccessFormRepository.save(dataAccessForm);
    }

    public Optional<DataAccessForm> find() {
        DataAccessForm form = dataAccessFormRepository.findOne(DataAccessForm.DEFAULT_ID);
        if (form == null) {
            createOrUpdate(createDefaultDataAccessForm());
            form = dataAccessFormRepository.findOne(DataAccessForm.DEFAULT_ID);
        }
        if (StringUtils.isEmpty(form.getCsvExportFormat())) {
            form.setCsvExportFormat(getDefaultDataAccessFormResourceAsString("export-csv-schema.json"));
            form = createOrUpdate(form);
        }

        return Optional.ofNullable(form);
    }

    private void validateForm(DataAccessForm dataAccessForm) {
        validateJsonObject(dataAccessForm.getSchema());
        validateJsonArray(dataAccessForm.getDefinition());
        if (!isEmpty(dataAccessForm.getCsvExportFormat())) {
            validateJsonObject(dataAccessForm.getCsvExportFormat());
        }
    }

    private void validateJsonObject(String json) {
        try {
            new JSONObject(json);
        } catch (JSONException e) {
            throw new InvalidFormSchemaException(e);
        }
    }

    private void validateJsonArray(String json) {
        try {
            new JSONArray(json);
        } catch (JSONException e) {
            throw new InvalidFormSchemaException(e);
        }
    }

    private DataAccessForm createDefaultDataAccessForm() {
        DataAccessForm form = new DataAccessForm();
        form.setDefinition(getDefaultDataAccessFormResourceAsString("definition.json"));
        form.setSchema(getDefaultDataAccessFormResourceAsString("schema.json"));
        form.setCsvExportFormat(getDefaultDataAccessFormResourceAsString("export-csv-schema.json"));
        form.setTitleFieldPath("projectTitle");
        form.setSummaryFieldPath("summary");
        return form;
    }

    private Resource getDefaultDataAccessFormResource(String name) {
        return new DefaultResourceLoader().getResource("classpath:config/data-access-form/" + name);
    }

    private String getDefaultDataAccessFormResourceAsString(String name) {
        try (Scanner s = new Scanner(getDefaultDataAccessFormResource(name).getInputStream())) {
            return s.useDelimiter("\\A").hasNext() ? s.next() : "";
        } catch (IOException e) {
            return "";
        }
    }
}