fix: PriceParser 오류 수정

Author: cookienc

src/main/kotlin/backend/itracker/crawl/service/util/Crawler.kt

@@ -4,6 +4,7 @@ import backend.itracker.crawl.exception.CrawlException
 import backend.itracker.crawl.service.util.helper.DriverConnector
 import backend.itracker.crawl.service.util.helper.PriceParser
 import backend.itracker.crawl.service.util.helper.WebElementHelper
+import backend.itracker.crawl.service.vo.DefaultPrice
 import backend.itracker.crawl.service.vo.DefaultProduct
 import io.github.oshai.kotlinlogging.KotlinLogging
 import org.openqa.selenium.By
@@ -55,14 +56,18 @@ class Crawler(
                     }
 
 
+                    val price = priceParser.getDefaultPrice(element)
+                    if (DefaultPrice.none() == price) {
+                        continue
+                    }
                     products[productId] = DefaultProduct(
                         productId = productId.toLong(),
                         subCategory = helper.findClassName(
                             helper.findGrandParentElement(element),
                             "product-list-header__title"
                         ),
                         name = element.text.split(System.lineSeparator())[0],
-                        price = priceParser.getDefaultPrice(element),
+                        price = price,
                         productLink = helper.findByTagAndAttribute(element, "a", "href"),
                         thumbnailLink = helper.findByTagAndAttribute(element, "img", "src")
                     )

src/main/kotlin/backend/itracker/crawl/service/util/helper/PriceParser.kt

@@ -1,6 +1,7 @@
 package backend.itracker.crawl.service.util.helper
 
 import backend.itracker.crawl.service.vo.DefaultPrice
+import backend.itracker.schedule.infra.notification.solapi.logger
 import org.openqa.selenium.By
 import org.openqa.selenium.WebElement
 import org.springframework.stereotype.Component
@@ -21,15 +22,24 @@ class PriceParser(
         var discountPercentage = 0
         var basePrice = BigDecimal.ZERO
         if (helper.hasClass(element, DISCOUNT_PERCENTAGE)) {
+            val discountPercentageElement = element.findElement(By.className(DISCOUNT_PERCENTAGE)).text
+            val basePriceElement = element.findElement(By.className(BASE_PRICE)).text
+            if (discountPercentageElement.isBlank() || basePriceElement.isBlank()) {
+                return DefaultPrice.none()
+            }
             discountPercentage =
-                element.findElement(By.className(DISCOUNT_PERCENTAGE)).text.split(System.lineSeparator())[0]
-                    .replace("%", "").toInt()
-            basePrice = element.findElement(By.className(BASE_PRICE)).text
+                discountPercentageElement.split(System.lineSeparator())[0]
+                    .replace("%", "").toIntOrNull() ?: loggingElement("discountPercent", discountPercentageElement)
+            basePrice = basePriceElement
                 .replace(",", "")
                 .removeSuffix("원").toBigDecimal()
         }
 
-        val currentPrice = element.findElement(By.className(CURRENT_PRICE)).text
+        val currentPriceElement = element.findElement(By.className(CURRENT_PRICE)).text
+        if (currentPriceElement.isBlank()) {
+            return DefaultPrice.none()
+        }
+        val currentPrice = currentPriceElement
             .replace(",", "")
             .removeSuffix("원").toBigDecimal()
 
@@ -45,4 +55,9 @@ class PriceParser(
             isOutOfStock = isOutOfStock
         )
     }
+
+    private fun loggingElement(name: String, element: String?): Int {
+        logger.error { "할인율 파싱 중 오류가 발생했습니다. $name: $element" }
+        return 0
+    }
 }

src/main/kotlin/backend/itracker/crawl/service/vo/DefaultPrice.kt

@@ -2,12 +2,23 @@ package backend.itracker.crawl.service.vo
 
 import java.math.BigDecimal
 
+private val none = DefaultPrice(
+            discountPercentage = 0,
+            basePrice = BigDecimal.ZERO,
+            discountPrice = BigDecimal.ZERO,
+            isOutOfStock = "품절"
+        )
+
 data class DefaultPrice(
     val discountPercentage: Int,
     val basePrice: BigDecimal,
     val discountPrice: BigDecimal,
     val isOutOfStock: Boolean
 ) {
+    companion object {
+        fun none() = none
+    }
+
     constructor(
         discountPercentage: Int,
         basePrice: BigDecimal,