func init() {
godotenv.Load()
}
func main() {
// Add some configuration to our JSON logger
spw = &spew.ConfigState{Indent: "\t", MaxDepth: 5}
// load .env into os.Getenv
err := godotenv.Load()
if err != nil {
log.Println("No .env, running in production mode, hope that's what you wanted")
}
creds := ""
if os.Getenv("MGUSER") != "" && os.Getenv("MGPW") != "" {
creds = fmt.Sprintf("%s:%s@", os.Getenv("MGUSER"), os.Getenv("MGPW"))
}
// connect to a mongodb session - local or through Docker
session, err := mgo.DialWithTimeout(
fmt.Sprintf("mongodb://%s%s/%s", creds, os.Getenv("MGHOST"), os.Getenv("MGDB")),
time.Second,
)
if err == nil {
defer session.Close()
session.SetMode(mgo.Monotonic, true)
} else {
log.Fatal(err)
}
db := session.Clone().DB(os.Getenv("MGDB")).C(os.Getenv("MGCOLL"))
// Slack API client
api := slack.New(os.Getenv("SLACK"))
// Martini router and renderer
app := martini.Classic()
app.Use(render.Renderer())
// Open a connection to Slack Real Time Messaging API
rtm := api.NewRTM()
go rtm.ManageConnection()
// expose Martini endpoints for our data
app.Group("/", func(r martini.Router) {
r.Get("reactions", func(r render.Render) {
var result []bson.M
pipe := db.Pipe(
[]bson.M{
{
"$sort": bson.M{"eventtimestamp": 1},
},
{
"$group": bson.M{
"_id": "$reaction",
"reactions": bson.M{
"$push": "$$CURRENT",
},
"count": bson.M{"$sum": 1},
},
},
{
"$sort": bson.M{"count": -1},
},
},
)
iter := pipe.Iter()
err := iter.All(&result)
if err != nil {
log.Println(err.Error())
r.JSON(400, bson.M{"error": err.Error()})
} else {
r.JSON(200, result)
}
})
})
go app.Run()
for {
select {
case msg := <-rtm.IncomingEvents:
switch msg.Data.(type) {
case *slack.ReactionAddedEvent:
go insertReaction(msg.Data.(*slack.ReactionAddedEvent), db)
case *slack.ReactionRemovedEvent:
go deleteReaction(msg.Data.(*slack.ReactionRemovedEvent), db)
default:
continue
}
}
}
}