func metafora(broker *tg.Broker, update tg.APIMessage) {
if isCommand(update, "metafora") {
n := rand.Intn(len(actions))
m := rand.Intn(len(objects))
broker.SendTextMessage(update.Chat, actions[n]+" "+objects[m], nil)
return
}
}
func viaggi(broker *tg.Broker, update tg.APIMessage) {
if isCommand(update, "viaggi") {
usage := func() {
broker.SendTextMessage(update.Chat, "Formato: /viaggi <i><PARTENZA></i> -> <i><DESTINAZIONE></i>", &update.MessageID)
}
oops := func(err error) {
log.Println("[viaggi] GET error:" + err.Error())
broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
}
parts := strings.SplitN(*(update.Text), " ", 2)
if len(parts) < 2 {
usage()
return
}
text := parts[1]
msgs := reg.FindStringSubmatch(text)
if len(msgs) <= 2 {
usage()
return
}
msgs[1] = strings.Replace(msgs[1], ",", "", -1)
msgs[1] = strings.Replace(msgs[1], " ", "-", -1)
msgs[2] = strings.Replace(msgs[2], ",", "", -1)
msgs[2] = strings.Replace(msgs[2], " ", "-", -1)
src := url.QueryEscape(msgs[1])
dst := url.QueryEscape(msgs[2])
url := viaggiurl + "&oName=" + src + "&dName=" + dst
resp, err := http.Get(url)
if err != nil {
oops(err)
return
}
defer resp.Body.Close()
var outjson Romejson
err = json.NewDecoder(resp.Body).Decode(&outjson)
if err != nil {
broker.SendTextMessage(update.Chat, "Hm, Rome2rio non ha trovato nulla, mi spiace :(\nForse non hai scritto bene uno dei due posti?", &update.MessageID)
return
}
var moreeco Romeroute
var lesstim Romeroute
if len(outjson.Routes) < 1 {
// Should never happen
log.Println("[viaggi] No routes found (??)")
broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
return
}
// Calculate cheapest and fastest
moreeco = outjson.Routes[0]
lesstim = outjson.Routes[0]
for _, v := range outjson.Routes {
if v.IndicativePrice.Price < moreeco.IndicativePrice.Price {
moreeco = v
}
if v.Duration < lesstim.Duration {
lesstim = v
}
}
broker.SendTextMessage(update.Chat,
"Viaggio da <b>"+outjson.Places[0].Name+
"</b> a <b>"+outjson.Places[1].Name+"</b>"+
"\n\n"+
"Piu economico: <b>"+moreeco.Name+"</b> ("+parseData(moreeco)+")"+
"\n"+
"Piu veloce: <b>"+lesstim.Name+"</b> ("+parseData(lesstim)+")"+
"\n\n"+
"<a href=\"http://www.rome2rio.com/it/s/"+src+"/"+dst+"\">Maggiori informazioni</a>",
&update.MessageID)
}
}
func memegen(broker *tg.Broker, update tg.APIMessage) {
// Make replies work
if update.ReplyTo != nil && update.Text != nil && update.ReplyTo.Photo != nil {
update.Photo = update.ReplyTo.Photo
update.Caption = update.Text
}
if update.Photo != nil && update.Caption != nil {
caption := *(update.Caption)
if strings.HasPrefix(caption, "/meme ") && len(caption) > 6 {
idx := strings.Index(caption, ";")
if idx < 0 {
broker.SendTextMessage(update.Chat, "<b>Formato</b>: /meme TESTO IN ALTO<b>;</b>TESTO IN BASSO", &update.MessageID)
return
}
txtup := caption[6:idx]
txtdw := caption[idx+1:]
maxsz := 0
photo := tg.APIPhotoSize{}
for _, curphoto := range update.Photo {
if curphoto.Width > maxsz {
maxsz = curphoto.Width
photo = curphoto
}
}
broker.GetFile(photo.FileID, func(broker *tg.Broker, data tg.BrokerUpdate) {
if data.Type == tg.BError {
log.Println("[memegen] Received error from broker: %s\n", *data.Error)
broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
return
}
pbytes, err := base64.StdEncoding.DecodeString(*data.Bytes)
if err != nil {
log.Println("[memegen] Base64 decode error: %s\n", err.Error())
broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
return
}
img, _, err := image.Decode(bytes.NewReader(pbytes))
if err != nil {
log.Println("[memegen] Image decode error: %s\n", err.Error())
broker.SendTextMessage(update.Chat, "<b>ERROR</b>: Non riesco a leggere l'immagine", &update.MessageID)
return
}
//TODO Clean up this mess
// Create target image
bounds := img.Bounds()
iwidth := float64(bounds.Size().X)
iheight := float64(bounds.Size().Y)
timg := image.NewRGBA(bounds)
gc := draw2dimg.NewGraphicContext(timg)
gc.SetStrokeColor(image.Black)
gc.SetFillColor(image.White)
gc.SetFontData(memeFontData)
gc.DrawImage(img)
write := func(text string, istop bool) {
text = strings.ToUpper(strings.TrimSpace(text))
gc.Restore()
gc.Save()
// Detect appropriate font size
scale := iheight / iwidth * (iwidth / 10)
gc.SetFontSize(scale)
gc.SetLineWidth(scale / 15)
// Get NEW bounds
left, top, right, bottom := gc.GetStringBounds(text)
width := right - left
texts := []string{text}
if width > iwidth {
// Split text
texts = splitCenter(text)
// Get longest line
longer := float64(0)
longid := 0
widths := make([]float64, len(texts))
for id := range texts {
tleft, _, tright, _ := gc.GetStringBounds(texts[id])
widths[id] = tright - tleft
if width > longer {
longer = widths[id]
longid = id
}
}
// Still too big? Decrease font size again
iter := 0
for width > iwidth && iter < 10 {
log.Println("Warning, resizing!")
gc.SetFontSize(scale * (0.8 - 0.1*float64(iter)))
left, top, right, bottom = gc.GetStringBounds(texts[longid])
width = right - left
iter++
}
}
height := bottom - top
margin := float64(height / 50)
lines := float64(len(texts) - 1)
gc.Save()
for id, txt := range texts {
gc.Save()
left, _, right, _ = gc.GetStringBounds(txt)
width = right - left
y := float64(0)
if istop {
y = (height+margin)*float64(id+1) + margin*5
} else {
y = iheight - (height * lines) + (height * float64(id)) - margin*5
}
gc.Translate((iwidth-width)/2, y)
gc.StrokeString(txt)
gc.FillString(txt)
gc.Restore()
}
}
write(txtup, true)
write(txtdw, false)
buf := new(bytes.Buffer)
err = jpeg.Encode(buf, timg, &(jpeg.Options{Quality: 80}))
if err != nil {
log.Println("[memegen] Image encode error: %s\n", err.Error())
broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
return
}
broker.SendPhoto(update.Chat, buf.Bytes(), "meme.jpg", "", &update.MessageID)
})
}
}
}
func unsplash(broker *tg.Broker, update tg.APIMessage) {
if isCommand(update, "unsplash") {
text := ""
user := update.User
if update.ReplyTo != nil {
if update.ReplyTo.Text == nil {
broker.SendTextMessage(update.Chat, "Non c'e' niente di 'ispiratore' in questo..", &update.MessageID)
return
}
text = *(update.ReplyTo.Text)
user = update.ReplyTo.User
} else {
if strings.Index(*(update.Text), " ") > 0 {
text = strings.TrimSpace(strings.SplitN(*(update.Text), " ", 2)[1])
}
}
author := user.FirstName
if user.LastName != "" {
author = user.FirstName + " " + user.LastName
}
author += " (" + user.Username + ")"
if strings.TrimSpace(text) == "" {
broker.SendTextMessage(update.Chat, "Non c'e' niente di 'ispiratore' in questo..", &update.MessageID)
return
}
resp, err := http.Get(unsplashUrl)
if err != nil {
log.Println("[unsplash] HTTP request failed: %s\n", err.Error())
broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
return
}
defer resp.Body.Close()
img, _, err := image.Decode(resp.Body)
if err != nil {
log.Println("[unsplash] Image decode error: %s\n", err.Error())
broker.SendTextMessage(update.Chat, "<b>ERRORE</b>: Non riesco a leggere l'immagine", &update.MessageID)
return
}
// Darken image
img = imaging.AdjustBrightness(imaging.AdjustGamma(imaging.AdjustSigmoid(img, 0.5, -6.0), 0.8), -20)
// Create target image
bounds := img.Bounds()
iwidth := float64(bounds.Size().X)
iheight := float64(bounds.Size().Y)
timg := image.NewRGBA(bounds)
gc := draw2dimg.NewGraphicContext(timg)
gc.SetFontData(quoteFontData)
gc.DrawImage(img)
gc.SetStrokeColor(image.Black)
gc.SetFillColor(image.White)
text = strings.ToUpper(strings.TrimSpace(text))
gc.Restore()
gc.Save()
// Detect appropriate font size
scale := iheight / iwidth * (iwidth / 10) * 0.8
gc.SetFontSize(scale)
gc.SetLineWidth(scale / 15)
// Get NEW bounds
left, top, right, bottom := gc.GetStringBounds(text)
width := right - left
texts := []string{text}
if width*1.2 > iwidth {
// Split text
texts = splitCenter(text)
// Get longest line
longer := float64(0)
longid := 0
widths := make([]float64, len(texts))
for id := range texts {
tleft, _, tright, _ := gc.GetStringBounds(texts[id])
widths[id] = tright - tleft
if width > longer {
longer = widths[id]
longid = id
}
}
// Still too big? Decrease font size again
iter := 0
for width*1.2 > iwidth && iter < 10 {
log.Println("Warning, resizing!")
scale *= (0.9 - 0.05*float64(iter))
gc.SetFontSize(scale)
left, top, right, bottom = gc.GetStringBounds(texts[longid])
width = right - left
iter++
}
}
texts = append(texts, author)
height := bottom - top + 20
margin := float64(height / 50)
txtheight := (height + margin) * float64(len(texts))
gc.Save()
for id, txt := range texts {
gc.Save()
left, _, right, _ = gc.GetStringBounds(txt)
width = right - left
x := (iwidth - width) / 2
y := (iheight-txtheight)/2 + (height+margin*2)*float64(id+1)
if id == len(texts)-1 {
gc.SetFontSize(scale * 0.7)
left, _, right, _ = gc.GetStringBounds(txt)
width = right - left
x = (iwidth - width) / 1.5
y = (iheight-txtheight)/2 + (height+margin)*float64(id+1) + margin*6
}
gc.Translate(x, y)
gc.StrokeString(txt)
gc.FillString(txt)
gc.Restore()
}
buf := new(bytes.Buffer)
err = jpeg.Encode(buf, timg, &(jpeg.Options{Quality: 80}))
if err != nil {
log.Println("[unsplash] Image encode error: %s\n", err.Error())
broker.SendTextMessage(update.Chat, "<b>ERRORE!</b> @hamcha controlla la console!", &update.MessageID)
return
}
broker.SendPhoto(update.Chat, buf.Bytes(), "quote.jpg", "", &update.MessageID)
}
}