From 5578ecef2ad75539d38b959e7f8f2e45eb3df1dd Mon Sep 17 00:00:00 2001
From: Hamcha <zikyky@gmail.com>
Date: Mon, 17 Sep 2018 15:15:19 +0200
Subject: [PATCH] Tentative support for pages

---
 main.go     | 14 ++++++++++----
 scryfall.go |  9 +++++++--
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/main.go b/main.go
index f79e9ae..c102565 100644
--- a/main.go
+++ b/main.go
@@ -5,6 +5,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"strconv"
 
 	"github.com/hamcha/tg"
 )
@@ -52,14 +53,18 @@ func webhook(update tg.APIUpdate) {
 
 	go func() {
 		query := update.Inline.Query
-		//TODO OFFSET
-		results, err := scryfallSearch(query)
+		offset, _ := strconv.Atoi(update.Inline.Offset)
+		results, err := scryfallSearch(query, offset)
 		if err != nil {
 			fmt.Println(err)
 			// DO SOMETHING
 			return
 		}
 
+		nextcard := ""
+		if results.HasMore {
+			nextcard = strconv.Itoa(offset + len(results.Data))
+		}
 		photos := make([]tg.APIInlineQueryResultPhoto, len(results.Data))
 		for i, card := range results.Data {
 			caption := fmt.Sprintf("EDHREC rank: #%d - cardmarket: € %s", card.EdhrecRank, card.Eur)
@@ -88,8 +93,9 @@ func webhook(update tg.APIUpdate) {
 		}
 
 		err = api.AnswerInlineQuery(tg.InlineQueryResponse{
-			QueryID: update.Inline.QueryID,
-			Results: photos,
+			QueryID:    update.Inline.QueryID,
+			Results:    photos,
+			NextOffset: nextcard,
 		})
 		if err != nil {
 			fmt.Println(err)
diff --git a/scryfall.go b/scryfall.go
index 5abbf88..19d30ca 100644
--- a/scryfall.go
+++ b/scryfall.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"encoding/json"
+	"fmt"
 	"net/http"
 	"net/url"
 	"time"
@@ -53,14 +54,18 @@ var netClient = &http.Client{
 	Timeout: time.Second * 10,
 }
 
-func scryfallSearch(query string) (results CardSearchResults, err error) {
+func scryfallSearch(query string, offset int) (results CardSearchResults, err error) {
 	query = url.QueryEscape(query)
-	response, err := netClient.Get("https://api.scryfall.com/cards/search?order=name&q=" + query)
+	page := offset / 175
+	cardoffset := offset % 175
+	requrl := fmt.Sprintf("https://api.scryfall.com/cards/search?include_multilingual=true&order=name&page=%d&q=%s", page, query)
+	response, err := netClient.Get(requrl)
 	if err != nil {
 		return
 	}
 	defer response.Body.Close()
 
 	err = json.NewDecoder(response.Body).Decode(&results)
+	results.Data = results.Data[cardoffset:]
 	return
 }