devlunch.go

// Copyright 2014-2015 Chadev. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package main

import (
	"encoding/json"
	"fmt"
	"strings"
	"time"

	"github.com/chadev/Chadev_ircbot/meetup"
	"github.com/danryan/hal"
)

// DevTalk contains the dev talk live stream details.
type DevTalk struct {
	Date, URL string
}

var lunchHandler = hear(`is today (devlunch|dev lunch) day\b`, "is today devlunch day", "Tells if today is lunch day, and what the talk is", func(res *hal.Response) error {
	d := time.Now().Weekday().String()
	if d != "Thursday" {
		msg, err := meetup.GetNextMeetup("chadevs")
		if err != nil {
			hal.Logger.Error(err)
			return res.Send("Sorry I was unable to get details on the next dev lunch.  Please check https://meetup.com/chadevs")
		}

		return res.Send(fmt.Sprintf("No, sorry!  %s", msg))
	}

	msg, err := meetup.GetNextMeetup("chadevs")
	if err != nil {
		hal.Logger.Error(err)
		return res.Send("Sorry I was unable to get details on the next dev lunch.  Please check https://meetup.com/chadevs")
	}

	return res.Send(fmt.Sprintf("Yes!  %s", msg))
})

var talkHandler = hear(`devlunch me`, "devlunch me", "Returns details on the next Chadev Lunch Talk", func(res *hal.Response) error {
	msg, err := meetup.GetNextMeetup("chadevs")
	if err != nil {
		hal.Logger.Error(err)
		return res.Send("Sorry I was unable to get details on the next dev lunch.  Please check https://meetup.com/chadevs")
	}

	return res.Send(msg)
})

var addTalkHandler = hear(`devlunch url ([a-z0-9-\s]*)(http(s)?://.+)`, "devlunch url (date) (url)", "Set live stream url for dev lunch talks", func(res *hal.Response) error {
	var d, u string
	var date time.Time

	// grab the arguments
	d = strings.TrimSpace(res.Match[1])
	u = res.Match[2]

	// if d is empty or "today" use todays date
	if d == "" || d == "today" {
		date = time.Now()
	} else {
		var err error
		date, err = time.Parse("2006-01-02", d)
		if err != nil {
			// could not parse the given date, fallback to today
			hal.Logger.Error(err)
			date = time.Now()
		}
	}

	hal.Logger.Info(fmt.Sprintf("parsed date: %v", date.Format("2006-01-02")))
	if !validateURL(u) {
		return res.Send(fmt.Sprintf("%s is not a valid URL", u))
	}

	b, err := json.Marshal(DevTalk{Date: date.Format("2006-01-02"), URL: u})
	if err != nil {
		hal.Logger.Error(err)
		return res.Send("I have failed you, I was unable to JSON")
	}

	err = res.Robot.Store.Set("devtalk", b)
	if err != nil {
		hal.Logger.Error(err)
		return res.Send("I couldn't store the live stream details")
	}

	return res.Send("Dev Talk live stream details stored")
})

var devTalkLinkHandler = hear(`link to devlunch`, "link to devlunch", "Returns the link to the dev lunch live stream", func(res *hal.Response) error {
	// check if today is Thursday
	t := time.Now()
	if t.Weekday().String() != "Thursday" {
		return res.Send("Sorry today is not dev lunch day.")
	}

	// check if there is a url stored, and if the stored url is current
	b, err := res.Robot.Store.Get("devtalk")
	if err != nil || b == nil {
		hal.Logger.Error(err)
		return res.Send("Sorry, I don't have a URL for today's live stream.  You can check if it is posted to the Meeup page at http://www.meetup.com/chadevs/ or our Google+ page at https://plus.google.com/b/103401260409601780643/103401260409601780643/posts")
	}

	var talk DevTalk
	err = json.Unmarshal(b, &talk)
	if err != nil {
		hal.Logger.Error(err)
		return res.Send("Sorry, I don't have a URL for today's live stream.  You can check if it is posted to the Meeup page at http://www.meetup.com/chadevs/ or our Google+ page at https://plus.google.com/b/103401260409601780643/103401260409601780643/posts")
	}

	if talk.Date != t.Format("2006-01-02") {
		return res.Send("Sorry, I don't have a URL for today's live stream.  You can check if it is posted to the Meeup page at http://www.meetup.com/chadevs/ or our Google+ page at https://plus.google.com/b/103401260409601780643/103401260409601780643/posts")
	}

	return res.Send(fmt.Sprintf("You can access the live stream for the talk here %s", talk.URL))
})

var devlunchRSVPHandler = hear(`devlunch rsvps`, "devlunch rnvps", "Gets the RSVP count for Chadev Dev Lunches", func(res *hal.Response) error {
	rsvp, err := meetup.GetMeetupRSVP("chadevs")
	if err != nil {
		hal.Logger.Errorf("failed fetching RSVP information: %v", err)
		res.Send("I was unable to fetch the latest RSVP information for this group")
		return err
	}

	if rsvp != "" {
		res.Send(fmt.Sprintf("Dev Lunch RSVP breakdown: %s", rsvp))
	} else {
		res.Send("There are either no upcoming dev lunches or no RSVP for the event yet")
	}

	return nil
})