net.bis5.slack.command.gcal.SlashCommandApi.java Source code

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Here is the source code for net.bis5.slack.command.gcal.SlashCommandApi.java

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/*
 * @(#) net.bis5.slack.command.gcal.SlashCommandApi
 * Copyright (c) 2016 Maruyama Takayuki <bis5.wsys@gmail.com>
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *  
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package net.bis5.slack.command.gcal;

import java.io.IOException;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneOffset;
import java.util.Date;

import org.apache.http.client.fluent.Request;
import org.apache.http.entity.ContentType;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.api.client.util.DateTime;
import com.google.api.services.calendar.Calendar;
import com.google.api.services.calendar.model.Event;
import com.google.api.services.calendar.model.EventDateTime;

import lombok.extern.slf4j.Slf4j;
import net.bis5.slack.command.gcal.RequestPayload.EventRequest;

/**
 * TODO ?
 * 
 * @author Maruyama Takayuki <bis5.wsys@gmail.com>
 * @since 2016/12/17
 */
@RestController
@SpringBootApplication
@Slf4j
public class SlashCommandApi {
    public static void main(String[] args) {
        SpringApplication.run(SlashCommandApi.class, args);
    }

    @Autowired
    Calendar client;
    @Autowired
    AppConfig config;

    @RequestMapping(path = "/debug", method = RequestMethod.POST)
    public ResponseEntity<String> execute(String body) {
        return ResponseEntity.ok(body);
    }

    @RequestMapping(path = "/execute", method = RequestMethod.POST)
    public ResponseEntity<String> execute(@ModelAttribute RequestPayload payload) {
        log.info("Request: " + payload.toString());

        EventRequest event = payload.createEvent();
        log.info("Parsed Request: " + event.toString());

        try {
            Event result = client.events().insert(config.getTargetCalendarId(), createEvent(event)).execute();
            log.info("Event Create Result: " + result.toString());

            ResponsePayload response = new ResponsePayload();
            Date date = toDate(event.getDate().atStartOfDay());
            Date start = toDate(LocalDateTime.of(event.getDate(), event.getFrom()));
            Date end = toDate(LocalDateTime.of(event.getDate(), event.getTo()));
            String user = payload.getUser_name();
            String title = event.getTitle();
            response.setText(String.format(
                    "%s?????\n: %tY/%tm/%td\n: %tH:%tM\n: %tH:%tM\n??: %s", //
                    user, date, date, date, start, start, end, end, title));

            try (CloseableHttpClient httpClient = HttpClients.createDefault()) {
                ObjectMapper mapper = new ObjectMapper();
                String responseBody = mapper.writeValueAsString(response);
                log.info("Response Payload: " + responseBody);
                Request.Post(payload.getResponse_url()).bodyString(responseBody, ContentType.APPLICATION_JSON)
                        .execute();
            }

            return ResponseEntity.ok(null);
        } catch (IOException ex) {
            log.error(ex.toString());
            return ResponseEntity.ok(ex.getMessage()); // OK??????????
        }
    }

    private Date toDate(LocalDateTime dateTime) {
        return Date.from(dateTime.toInstant(ZoneOffset.ofHours(+9)));
    }

    private Event createEvent(EventRequest request) {
        Event event = new Event();
        event.setSummary(request.getTitle());
        event.setLocation(request.getPlace());
        EventDateTime start = toDateTime(request.getDate(), request.getFrom());
        EventDateTime end = toDateTime(request.getDate(), request.getTo());
        event.setStart(start);
        event.setEnd(end);

        return event;
    }

    private EventDateTime toDateTime(LocalDate date, LocalTime time) {
        if (time != null) {
            DateTime dateTime = new DateTime(
                    Date.from(LocalDateTime.of(date, time).toInstant(ZoneOffset.ofHours(+9))));
            return new EventDateTime().setDateTime(dateTime);
        } else {
            DateTime dateTime = new DateTime(true,
                    Date.from(date.atStartOfDay().toInstant(ZoneOffset.UTC)).getTime(), 9);
            return new EventDateTime().setDate(dateTime);
        }
    }

}