func slash(w http.ResponseWriter, req *http.Request) {
if req.Method == "POST" {
slashCommand := slack.NewSlashCommandModel(req)
gomol.Infof("slash command received: %f", slashCommand)
w.Header().Add("Content Type", "text/plain")
if slashCommand.Text == "categories" {
cats := images.Images.GetCategories()
var catBuffer bytes.Buffer
for key, count := range cats {
catBuffer.WriteString(key +
" has " +
strconv.Itoa(count) +
" shipit squirrels.\n")
}
catBuffer.WriteTo(w)
} else if slashCommand.Text == "" {
image, err := images.Images.Take()
if err != nil {
gomol.Err("Failed to .Take() image. " + err.Error())
}
incomingWebhook := slack.NewIncomingWebhook(
slashCommand.ChannelName,
slack.GetImageMarkup(context.GetSiteRootPath()+image))
_, err = slack.SendIncomingWebhook(incomingWebhook)
if err != nil {
gomol.Err(err.Error())
}
} else {
image, err := images.Images.TakeFromCategory(slashCommand.Text)
if err != nil {
b := bytes.NewBufferString("Command not recognized.")
b.WriteTo(w)
} else {
incomingWebhook := slack.NewIncomingWebhook(
slashCommand.ChannelName,
slack.GetImageMarkup(context.GetSiteRootPath()+image))
_, err = slack.SendIncomingWebhook(incomingWebhook)
if err != nil {
gomol.Err(err.Error())
}
}
}
}
}
func makeRequest(url string, payload *bytes.Buffer) (*http.Request, error) {
req, err := http.NewRequest("POST", url, payload)
if err != nil {
gomol.Err("Could not create create post request. " + err.Error())
return nil, err
}
req.Header.Add("Content-Type", "application/json")
return req, nil
}
func makePostPayload(model *IncomingWebhook) (*bytes.Buffer, error) {
modelJson, err := json.Marshal(model)
if err != nil {
gomol.Err("Could not marshal json from IncomingWebhook model. " +
err.Error())
return nil, err
}
payload := bytes.NewBuffer(modelJson)
return payload, nil
}
func sendRequest(req *http.Request) (int, error) {
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
gomol.Err("Could not send IncomingWebhook. " + err.Error())
return 0, err
}
defer resp.Body.Close()
_, err = ioutil.ReadAll(resp.Body) // must read to close?
if err != nil {
return 0, err
}
return resp.StatusCode, nil
}