fix(series import): extract currency when price ends with a dollar sign.

Fix #1275

Author: php-coder

src/main/java/ru/mystamps/web/feature/series/importing/SeriesInfoExtractorServiceImpl.java

@@ -76,6 +76,9 @@ public class SeriesInfoExtractorServiceImpl implements SeriesInfoExtractorServic
 	// Regular expression that matches Ukrainian hryvnia.
 	private static final Pattern UAH_CURRENCY_REGEXP = Pattern.compile("[0-9] грн");
 
+	// Regular expression that matches US dollar.
+	private static final Pattern USD_CURRENCY_REGEXP = Pattern.compile("[0-9]\\$");
+	
 	// CheckStyle: ignore LineLength for next 4 lines
 	private static final Pattern VALID_CATEGORY_NAME_EN = Pattern.compile(CategoryValidation.NAME_EN_REGEXP);
 	private static final Pattern VALID_CATEGORY_NAME_RU = Pattern.compile(CategoryValidation.NAME_RU_REGEXP);
@@ -456,6 +459,12 @@ public SeriesExtractedInfo extract(String pageUrl, RawParsedDataDto data) {
 			return Currency.UAH.toString();
 		}
 
+		matcher = USD_CURRENCY_REGEXP.matcher(fragment);
+		if (matcher.find()) {
+			log.debug("Currency is USD");
+			return Currency.USD.toString();
+		}
+		
 		log.debug("Could not extract currency from a fragment");
 
 		return null;

src/test/groovy/ru/mystamps/web/feature/series/importing/SeriesInfoExtractorServiceImplTest.groovy

@@ -693,4 +693,13 @@ class SeriesInfoExtractorServiceImplTest extends Specification {
 			'135.74 грн' | _
 	}
 
+	@Unroll
+	def 'extractCurrency() should extract USD currency from "#fragment"'(String fragment) {
+		expect:
+			service.extractCurrency(fragment) == 'USD'
+		where:
+			fragment | _
+			'1,36$'  | _
+	}
+	
 }