Fix links in embedded mode

Author: bubelov

app/src/main/kotlin/org/vestifeed/api/standalone/StandaloneApi.kt

@@ -365,12 +365,15 @@ class StandaloneNewsApi(
             )
         }
 
+        val rawDescription = description ?: ""
+        val summary = rawDescription.stripHtml().take(400)
+
         return Pair(
             Entry(
                 contentType = "html",
                 contentSrc = "",
-                contentText = description ?: "",
-                summary = description,
+                contentText = rawDescription,
+                summary = summary,
                 id = id,
                 feedId = feedId,
                 title = title ?: "",
@@ -386,10 +389,17 @@ class StandaloneNewsApi(
                 extOpenGraphImageUrl = "",
                 extOpenGraphImageWidth = 0,
                 extOpenGraphImageHeight = 0,
-            ), emptyList()
+            ), links
         )
     }
 
+    private fun String.stripHtml(): String {
+        return this
+            .replace(Regex("<[^>]*>"), " ")
+            .replace(Regex("\\s+"), " ")
+            .trim()
+    }
+
     private fun sha256(string: String): String {
         val digest = MessageDigest.getInstance("SHA-256")
         val hash = digest.digest(string.toByteArray())

app/src/main/kotlin/org/vestifeed/db/table/Link.kt

@@ -46,7 +46,7 @@ class LinkQueries(private val conn: SQLiteConnection) {
     fun insertForFeed(feedId: String, links: List<Link>) {
         conn.prepare(
             """
-            INSERT INTO link (
+            INSERT OR IGNORE INTO link (
                 feed_id,
                 href,
                 rel,
@@ -78,7 +78,7 @@ class LinkQueries(private val conn: SQLiteConnection) {
     fun insertForEntry(entryId: String, links: List<Link>) {
         conn.prepare(
             """
-            INSERT INTO link (
+            INSERT OR IGNORE INTO link (
                 entry_id,
                 href,
                 rel,