Refactor A LOT OF STUFF

main.go

@@ -78,55 +78,14 @@ func webhook(update tg.APIUpdate) {
 		}
 		photos := make([]tg.APIInlineQueryResultPhoto, len(results.Data))
 		for i, card := range results.Data {
-			buttons := []tg.APIInlineKeyboardButton{
+			face, caption, buttons := getCardEntry(card, 0)
-				{
-					Text: "Scryfall",
-					URL:  card.ScryfallURI,
-				},
-			}
-			if card.RelatedUris.Edhrec != "" {
-				buttons = append(buttons, tg.APIInlineKeyboardButton{
-					Text: "EDHREC",
-					URL:  card.RelatedUris.Edhrec,
-				})
-			}
-			if card.PurchaseUris.Cardmarket != "" {
-				buttons = append(buttons, tg.APIInlineKeyboardButton{
-					Text: "MCM",
-					URL:  card.PurchaseUris.Cardmarket,
-				})
-			}
-
-			captions := []string{}
-			if card.EdhrecRank != nil {
-				captions = append(captions, fmt.Sprintf("EDHREC rank: #%d", *card.EdhrecRank))
-			}
-			if card.Eur != "" {
-				captions = append(captions, fmt.Sprintf("cardmarket: € %s", card.Eur))
-			}
-			face := card.ImageUris
-			if card.ImageUris.Large == "" && card.CardFaces != nil {
-				face = card.CardFaces[0].ImageUris
-				facedata, _ := json.Marshal(CardFaceFlipPics{
-					Normal:   face.Large,
-					Flipped:  card.CardFaces[1].ImageUris.Large,
-					Scryfall: card.ScryfallURI,
-					Edhrec:   card.RelatedUris.Edhrec,
-					MCM:      card.PurchaseUris.Cardmarket,
-				})
-
-				buttons = append(buttons, tg.APIInlineKeyboardButton{
-					Text:         "🔄",
-					CallbackData: string(facedata),
-				})
-			}
 			photos[i] = tg.APIInlineQueryResultPhoto{
 				Type:     "photo",
 				ResultID: card.ID,
 				PhotoURL: face.Large,
 				ThumbURL: face.Normal,
 				Title:    card.Name,
-				Caption:  strings.Join(captions, " - "),
+				Caption:  caption,
 				Width:    672,
 				Height:   936,
 				ReplyMarkup: &tg.APIInlineKeyboardMarkup{
@@ -161,7 +120,7 @@ func webhook(update tg.APIUpdate) {
 		cardmedia := []tg.APIInputMediaPhoto{}
 		errlist := []string{}
 		for _, cardname := range requests {
-			card, err := scryfallGetCard(cardname)
+			card, err := scryfallGetCardByName(cardname)
 			if err != nil {
 				errlist = append(errlist, cardname)
 			} else {
@@ -199,38 +158,24 @@ func webhook(update tg.APIUpdate) {
 
 	// Handle inline callback requests (flipped cards)
 	if update.Callback != nil {
-		var data CardFaceFlipPics
+		if update.Callback.Data != nil && strings.HasPrefix(*update.Callback.Data, "FLIP") {
-		err := json.Unmarshal([]byte(*update.Callback.Data), &data)
+			parts := strings.SplitN(*update.Callback.Data, ",", 3)
+			card, err := scryfallGetCardByID(parts[1])
+			facenum, _ := strconv.Atoi(parts[2])
 			if err == nil {
-			buttons := []tg.APIInlineKeyboardButton{
+				face, _, buttons := getCardEntry(card, facenum)
-				{
-					Text: "Scryfall",
-					URL:  data.Scryfall,
-				},
-			}
-			if data.Edhrec != "" {
-				buttons = append(buttons, tg.APIInlineKeyboardButton{
-					Text: "EDHREC",
-					URL:  data.Edhrec,
-				})
-			}
-			if data.MCM != "" {
-				buttons = append(buttons, tg.APIInlineKeyboardButton{
-					Text: "MCM",
-					URL:  data.MCM,
-				})
-			}
 				api.EditMedia(tg.ClientEditMediaData{
 					ChatID:    update.Message.Chat.ChatID,
 					MessageID: update.Message.MessageID,
 					Media: tg.APIInputMediaPhoto{
 						Type:  "photo",
-					Media: data.Flipped,
+						Media: face.Large,
 					},
 					ReplyMarkup: &tg.APIInlineKeyboardMarkup{
 						InlineKeyboard: [][]tg.APIInlineKeyboardButton{buttons},
 					},
 				})
+			}
 		} else {
 			fmt.Println("Unknown callback: ", *update.Callback.Data)
 		}
@@ -256,3 +201,46 @@ func getCardRequests(str string) (out []string) {
 	}
 	return
 }
+
+func getCardEntry(card CardData, facenum int) (CardImage, string, []tg.APIInlineKeyboardButton) {
+	buttons := []tg.APIInlineKeyboardButton{
+		{
+			Text: "Scryfall",
+			URL:  card.ScryfallURI,
+		},
+	}
+	if card.RelatedUris.Edhrec != "" {
+		buttons = append(buttons, tg.APIInlineKeyboardButton{
+			Text: "EDHREC",
+			URL:  card.RelatedUris.Edhrec,
+		})
+	}
+	if card.PurchaseUris.Cardmarket != "" {
+		buttons = append(buttons, tg.APIInlineKeyboardButton{
+			Text: "MCM",
+			URL:  card.PurchaseUris.Cardmarket,
+		})
+	}
+
+	captions := []string{}
+	if card.EdhrecRank != nil {
+		captions = append(captions, fmt.Sprintf("EDHREC rank: #%d", *card.EdhrecRank))
+	}
+	if card.Eur != "" {
+		captions = append(captions, fmt.Sprintf("cardmarket: € %s", card.Eur))
+	}
+	face := card.ImageUris
+	if card.ImageUris.Large == "" && card.CardFaces != nil {
+		face = card.CardFaces[facenum].ImageUris
+		num := 1
+		if facenum != 0 {
+			num = 0
+		}
+
+		buttons = append(buttons, tg.APIInlineKeyboardButton{
+			Text:         "🔄",
+			CallbackData: fmt.Sprintf("FLIP,%s,%d", card.ID, num),
+		})
+	}
+	return face, strings.Join(captions, " - "), buttons
+}

scryfall.go

@@ -81,7 +81,7 @@ func scryfallSearch(query string, offset int) (results CardSearchResults, err er
 	return
 }
 
-func scryfallGetCard(cardname string) (card CardData, err error) {
+func scryfallGetCardByName(cardname string) (card CardData, err error) {
 	cardname = url.QueryEscape(cardname)
 	requrl := fmt.Sprintf("https://api.scryfall.com/cards/named?fuzzy=%s", cardname)
 	response, err := netClient.Get(requrl)
@@ -93,3 +93,15 @@ func scryfallGetCard(cardname string) (card CardData, err error) {
 	err = json.NewDecoder(response.Body).Decode(&card)
 	return
 }
+
+func scryfallGetCardByID(id string) (card CardData, err error) {
+	requrl := fmt.Sprintf("https://api.scryfall.com/cards/%s", id)
+	response, err := netClient.Get(requrl)
+	if err != nil {
+		return
+	}
+	defer response.Body.Close()
+
+	err = json.NewDecoder(response.Body).Decode(&card)
+	return
+}