oglimmer/lunchy

package de.oglimmer.lunchy.rest.resources;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import org.jooq.Record;

import de.oglimmer.lunchy.beanMapping.BeanMappingProvider;
import de.oglimmer.lunchy.beanMapping.DozerAdapter;
import de.oglimmer.lunchy.database.dao.UpdatesDao;
import de.oglimmer.lunchy.rest.dto.MailImage;
import de.oglimmer.lunchy.rest.dto.UpdatesQuery;
import de.oglimmer.lunchy.services.CommunityService;

@Path("updates")
public class UpdatesResource {

    /**
     * Offers latest updates as text items for Pictures, Reviews, Locations and Users and 2 random pictures.
     * 
     * @param request
     * @return
     */
    @GET
    @Produces(MediaType.APPLICATION_JSON)
    public QueryResponse query(@Context HttpServletRequest request) {
        List<UpdatesQuery> updateQueryList = getQueryUpdates(request);
        List<MailImage> picturesList = getPictures(request);
        return new QueryResponse(updateQueryList, picturesList);
    }

    private List<MailImage> getPictures(HttpServletRequest request) {
        List<Record> recordList = UpdatesDao.INSTANCE.getPictures(CommunityService.get(request));
        return BeanMappingProvider.INSTANCE.mapListCustomDto(recordList, MailImage.class);
    }

    private List<UpdatesQuery> getQueryUpdates(HttpServletRequest request) {
        List<UpdatesQuery> resultList = new ArrayList<>();
        for (Record update : UpdatesDao.INSTANCE.get(10, CommunityService.get(request))) {
            resultList.add(createResultRow(new DozerAdapter(update)));
        }
        return resultList;
    }

    public UpdatesQuery createResultRow(DozerAdapter updateRec) {
        UpdatesQuery updateQuery = new UpdatesQuery();
        switch (updateRec.getString("type")) {
        case "L":
            createResultRowLocation(updateRec, updateQuery);
            break;
        case "R":
            createResultRowReview(updateRec, updateQuery);
            break;
        case "U":
            createResultRowUser(updateRec, updateQuery);
            break;
        case "P":
            createResultRowPicture(updateRec, updateQuery);
            break;
        default:
            throw new RuntimeException("Illegal type=" + updateRec.getValue("type"));
        }
        return updateQuery;
    }

    private void createResultRowPicture(DozerAdapter update, UpdatesQuery qrr) {
        qrr.setText("New picture for " + update.getValue("officialName") + " in " + update.getValue("city") + " by "
                + update.getValue("user"));
        qrr.setIcon("glyphicon-picture");
        qrr.setRef("view/" + update.getValue("id") + "?pic=" + update.getValue("pictureId"));
    }

    private void createResultRowUser(DozerAdapter update, UpdatesQuery qrr) {
        qrr.setText(update.getValue("user") + " joined");
        qrr.setIcon("glyphicon-user");
    }

    private void createResultRowReview(DozerAdapter update, UpdatesQuery qrr) {
        qrr.setText(setTextForReview(update));
        qrr.setIcon("glyphicon-eye-open");
        qrr.setRef("view/" + update.getValue("id"));
    }

    private void createResultRowLocation(DozerAdapter update, UpdatesQuery qrr) {
        qrr.setText(setTextForLocation(update));
        qrr.setIcon("glyphicon-tower");
        qrr.setRef("view/" + update.getValue("id"));
    }

    private String setTextForReview(DozerAdapter update) {
        if ("N".equals(update.getValue("updateType"))) {
            return "New review for " + update.getValue("officialName") + " in " + update.getValue("city") + " by "
                    + update.getValue("user");
        } else {
            return update.getValue("user") + " updated the review for " + update.getValue("officialName") + " in "
                    + update.getValue("city");
        }
    }

    private String setTextForLocation(DozerAdapter update) {
        if ("N".equals(update.getValue("updateType"))) {
            return "New location " + update.getValue("officialName") + " in " + update.getValue("city");
        } else {
            return update.getValue("officialName") + " in " + update.getValue("city") + " was updated";
        }
    }

    @Data
    @NoArgsConstructor
    @AllArgsConstructor
    public static class QueryResponse {
        private List<UpdatesQuery> latestUpdates;
        private List<MailImage> latestPictures;
    }

}