ADD: Crawling item with selenium

get sold_info, price, thumbnailUrl, extraInfo and process that strings or integer values

@@ -3,16 +3,23 @@ module joongna
 go 1.17
 
 require (
+	github.com/PuerkitoBio/goquery v1.8.0 // indirect
+	github.com/andybalholm/cascadia v1.3.1 // indirect
+	github.com/blang/semver v3.5.1+incompatible // indirect
+	github.com/bunsenapp/go-selenium v0.1.0 // indirect
 	github.com/caarlos0/env/v6 v6.9.1 // indirect
+	github.com/fedesog/webdriver v0.0.0-20180606182539-99f36c92eaef // indirect
 	github.com/joho/godotenv v1.4.0 // indirect
 	github.com/labstack/echo/v4 v4.7.2 // indirect
 	github.com/labstack/gommon v0.3.1 // indirect
 	github.com/mattn/go-colorable v0.1.11 // indirect
 	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/tebeka/selenium v0.9.9 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.1 // indirect
 	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 // indirect
 	golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
 	golang.org/x/sys v0.0.0-20211103235746-7861aae1554b // indirect
 	golang.org/x/text v0.3.7 // indirect
+	sourcegraph.com/sourcegraph/go-selenium v0.0.0-20170113155244-3da7d00aac9c // indirect
 )

@@ -13,5 +13,4 @@ type ApiResponseItem struct {
 	Link        string `json:"link"`
 	Description string `json:"description"`
 	CafeName    string `json:"cafename"`
-	CafeUrl     string `json:"cafeurl"`
 }

@@ -3,7 +3,7 @@ package model
 type Item struct {
 	Platform     string `json:"platform"`
 	Name         string `json:"name"`
-	Price        uint   `json:"price"`
+	Price        int    `json:"price"`
 	ThumbnailUrl string `json:"thumbnailUrl"`
 	ItemUrl      string `json:"itemUrl"`
 	ExtraInfo    string `json:"extraInfo"`

 package service
 
 import (
+	"bytes"
 	"encoding/json"
+	"fmt"
 	"io"
 	"io/ioutil"
 	"joongna/config"
@@ -9,15 +11,45 @@ import (
 	"log"
 	"net/http"
 	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/PuerkitoBio/goquery"
+	"github.com/fedesog/webdriver"
 )
 
 func GetItemByKeyword(keyword string) ([]model.Item, error) {
 	var items []model.Item
+
+	itemsInfo := getItemsInfoByKeyword(keyword)
+	for _, itemInfo := range itemsInfo {
+		if itemInfo.CafeName != "중고나라" {
+			continue
+		}
+		itemUrl := itemInfo.Link
+		sold, price, thumbnailUrl, extraInfo := crawlingNaverCafe(itemUrl)
+
+		if sold == "판매 완료" {
+			continue
+		}
+
+		item := model.Item{
+			Platform:     "중고나라",
+			Name:         itemInfo.Title,
+			Price:        price,
+			ThumbnailUrl: thumbnailUrl,
+			ItemUrl:      itemUrl,
+			ExtraInfo:    extraInfo,
+		}
+		fmt.Println(item)
+		items = append(items, item)
+	}
 	return items, nil
 }
 
 func getItemsInfoByKeyword(keyword string) []model.ApiResponseItem {
-	encText := url.QueryEscape("중고나라" + keyword)
+	encText := url.QueryEscape("중고나라 " + keyword + " 판매중")
 	apiUrl := "https://openapi.naver.com/v1/search/cafearticle.json?query=" + encText + "&sort=sim"
 
 	req, err := http.NewRequest("GET", apiUrl, nil)
@@ -47,3 +79,53 @@ func getItemsInfoByKeyword(keyword string) []model.ApiResponseItem {
 	}
 	return apiResponse.Items
 }
+
+func crawlingNaverCafe(cafeUrl string) (string, int, string, string) {
+	driver := webdriver.NewChromeDriver("./chromedriver")
+	err := driver.Start()
+	if err != nil {
+		log.Println(err)
+	}
+	desired := webdriver.Capabilities{"Platform": "MacOS"}
+	required := webdriver.Capabilities{}
+	session, err := driver.NewSession(desired, required)
+	if err != nil {
+		log.Println(err)
+	}
+	err = session.Url(cafeUrl)
+	if err != nil {
+		log.Println(err)
+	}
+	time.Sleep(time.Second * 1)
+	session.FocusOnFrame("cafe_main")
+	resp, err := session.Source()
+
+	html, err := goquery.NewDocumentFromReader(bytes.NewReader([]byte(resp)))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	sold := html.Find("div.sold_area").Text()
+	price := priceStringToInt(html.Find(".ProductPrice").Text())
+	thumbnailUrl, _ := html.Find("div.product_thumb img").Attr("src")
+	extraInfo := html.Find(".se-module-text").Text()
+
+	sold = strings.TrimSpace(sold)
+	thumbnailUrl = strings.TrimSpace(thumbnailUrl)
+	extraInfo = strings.TrimSpace(extraInfo)
+
+	return sold, price, thumbnailUrl, extraInfo
+}
+
+func priceStringToInt(priceString string) int {
+	strings.TrimSpace(priceString)
+
+	priceString = strings.ReplaceAll(priceString, "원", "")
+	priceString = strings.ReplaceAll(priceString, ",", "")
+
+	price, err := strconv.Atoi(priceString)
+	if err != nil {
+		log.Fatal(err)
+	}
+	return price
+}