RecordCommentsEditorPresenter.java

package com.constellio.app.ui.framework.components.fields.comment;

import java.io.Serializable;
import java.util.List;

import com.constellio.app.modules.rm.wrappers.structures.Comment;
import com.constellio.app.services.factories.ConstellioFactories;
import com.constellio.app.ui.entities.RecordVO;
import com.constellio.app.ui.pages.base.SchemaPresenterUtils;
import com.constellio.app.ui.pages.base.SessionContext;
import com.constellio.model.entities.Language;
import com.constellio.model.entities.records.Record;
import com.constellio.model.entities.records.wrappers.User;
import com.constellio.model.entities.schemas.Metadata;
import com.constellio.model.services.factories.ModelLayerFactory;
import com.constellio.model.services.records.RecordServices;
import com.constellio.model.services.security.AuthorizationsServices;

public class RecordCommentsEditorPresenter implements Serializable {

	private RecordCommentsEditor editor;

	private String recordId;

	private String metadataCode;

	private SchemaPresenterUtils presenterUtils;

	public RecordCommentsEditorPresenter(RecordCommentsEditor editor) {
		this.editor = editor;
	}

	public void forRecordVO(RecordVO recordVO, String metadataCode) {
		this.recordId = recordVO.getId();
		this.metadataCode = metadataCode;
		init();
	}

	public void forRecordId(String recordId, String metadataCode) {
		this.recordId = recordId;
		this.metadataCode = metadataCode;
		init();
	}

	private void init() {
		SessionContext sessionContext = editor.getSessionContext();
		ConstellioFactories constellioFactories = editor.getConstellioFactories();
		ModelLayerFactory modelLayerFactory = constellioFactories.getModelLayerFactory();
		RecordServices recordServices = modelLayerFactory.newRecordServices();

		AuthorizationsServices authorizationsServices = modelLayerFactory.newAuthorizationsServices();

		Record record = recordServices.getDocumentById(recordId);
		String schemaCode = record.getSchemaCode();

		presenterUtils = new SchemaPresenterUtils(schemaCode, constellioFactories, sessionContext);

		Metadata metadata = presenterUtils.getMetadata(metadataCode);
		String caption = metadata.getLabel(Language.withCode(presenterUtils.getCurrentLocale().getLanguage()));
		List<Comment> comments = record.get(metadata);
		editor.setComments(comments);
		editor.setCaption(caption);

		User currentUser = presenterUtils.getCurrentUser();
		if (!authorizationsServices.canWrite(currentUser, record)) {
			editor.setVisible(false);
		}
	}

	public void commentsChanged(List<Comment> newComments) {
		if (newComments != null) {
			Metadata metadata = presenterUtils.getMetadata(metadataCode);
			
			Record record = presenterUtils.getRecord(recordId);
			List<Comment> existingComments = record.get(metadata);
			if (!newComments.equals(existingComments)) {
				User user = presenterUtils.getCurrentUser();
				ConstellioFactories constellioFactories = editor.getConstellioFactories();
				ModelLayerFactory modelLayerFactory = constellioFactories.getModelLayerFactory();
				AuthorizationsServices authorizationsServices = modelLayerFactory.newAuthorizationsServices();

				record.set(metadata, newComments);
				if (authorizationsServices.canWrite(user, record)) {
					presenterUtils.addOrUpdate(record);
				}
			}
		}
	}

}