EventsController.java

package com.qprogramming.tasq.events;

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

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.MessageSource;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.Pageable;
import org.springframework.data.domain.Sort.Direction;
import org.springframework.data.web.PageableDefault;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import com.qprogramming.tasq.support.ResultData;
import com.qprogramming.tasq.support.Utils;

@Controller
public class EventsController {

    private EventsService eventSrv;
    private MessageSource msg;

    @Autowired
    public EventsController(EventsService eventSrv, MessageSource msg) {
        this.eventSrv = eventSrv;
        this.msg = msg;
    }

    /**
     * Get list of all tasks watched by currently logged user
     *
     * @param model
     * @return
     */
    @RequestMapping(value = "/events", method = RequestMethod.GET)
    public String events(Model model) {
        // List<Event> events = eventSrv.getEvents();
        // model.addAttribute("events", events);
        return "user/events";
    }

    /**
     * Get list of all tasks watched by currently logged user
     *
     * @param model
     * @return
     */
    @RequestMapping(value = "/listEvents", method = RequestMethod.GET)
    public @ResponseBody
    Page<DisplayEvent> eventsPaged(@RequestParam(required = false) String term,
                                   @PageableDefault(size = 25, page = 0, sort = "date", direction = Direction.DESC) Pageable p) {
        Page<Event> events = eventSrv.getEvents(p);
        List<DisplayEvent> eventList = new ArrayList<DisplayEvent>();
        for (Event event : events) {
            eventList.add(new DisplayEvent(event));
        }
        return new PageImpl<DisplayEvent>(eventList, p, events.getTotalElements());
    }

    /**
     * Sets event with id as read
     *
     * @param id
     * @return
     */
    @RequestMapping(value = "/events/read", method = RequestMethod.POST)
    @ResponseBody
    public ResultData readEvent(@RequestParam(value = "id") Long id) {
        ResultData result = new ResultData();
        Event event = eventSrv.getById(id);
        event.setUnread(false);
        eventSrv.save(event);
        result.code = ResultData.Code.OK;
        return result;
    }

    @RequestMapping(value = "/events/readAll", method = RequestMethod.POST)
    @ResponseBody
    public ResultData readAllEvents() {
        ResultData result = new ResultData();
        List<Event> events = eventSrv.getEvents();
        events.stream().filter(Event::isUnread).forEach(event -> {
            event.setUnread(false);
            eventSrv.save(event);
        });
        result.code = ResultData.Code.OK;
        result.message = msg.getMessage("events.markAll.success", null, Utils.getCurrentLocale());
        return result;
    }

    /**
     * Returns int how many accounts is currently watching task with id
     *
     * @param id
     * @return
     */
    @RequestMapping(value = "/events/delete", method = RequestMethod.POST)
    @ResponseBody
    public ResultData deleteEvent(@RequestParam(value = "id") Long id) {
        ResultData result = new ResultData();
        Event event = eventSrv.getById(id);
        eventSrv.delete(event);
        result.code = ResultData.Code.OK;
        return result;
    }

    @RequestMapping(value = "/events/deleteAll", method = RequestMethod.POST)
    @ResponseBody
    public ResultData deleteAllEvents() {
        ResultData result = new ResultData();
        List<Event> events = eventSrv.getEvents();
        eventSrv.delete(events);
        result.code = ResultData.Code.OK;
        result.message = msg.getMessage("events.deleteAll.success", null, Utils.getCurrentLocale());
        return result;
    }

}