fix(rss): get enclosure from SyndEntry attributes first (#799)

app/src/main/java/me/ash/reader/infrastructure/rss/RssHelper.kt

@@ -120,12 +120,19 @@ class RssHelper @Inject constructor(
             rawDescription = (content ?: desc) ?: "",
             shortDescription = Readability.parseToText(desc ?: content, syndEntry.link).take(110),
             fullContent = content,
-            img = findThumbnail(content ?: desc),
+            img = findThumbnail(syndEntry) ?: findThumbnail(content ?: desc),
             link = syndEntry.link ?: "",
             updateAt = preDate,
         )
     }
 
+    fun findThumbnail(syndEntry: SyndEntry): String? {
+        if (syndEntry.enclosures.isNullOrEmpty()) {
+            return null
+        }
+        return syndEntry.enclosures.first()?.url
+    }
+
     fun findThumbnail(text: String?): String? {
         text ?: return null
         val enclosure = enclosureRegex.find(text)?.groupValues?.get(1)

app/src/test/java/me/ash/reader/infrastructure/rss/RssHelperTest.kt

@@ -71,4 +71,13 @@ class RssHelperTest {
         Assert.assertEquals(enclosureUrlString1, rssHelper.findThumbnail(imageHtmlCase1))
         Assert.assertEquals(imageUrlString, rssHelper.findThumbnail(imageHtmlCase2))
     }
+
+    @Test
+    fun testEnclosureNoFilenameExtension() {
+        val result = "https://pic.clubic.com/v1/images/1882727/raw"
+        val case = """
+            <enclosure url="$result" type="image/jpeg" length="0"/>
+        """
+        Assert.assertEquals(result, rssHelper.findThumbnail(case))
+    }
 }