projects can't work with data classes

Author: wtsiamruk

telegram-bot/src/main/kotlin/by/jprof/coding/problems/bot/domain/domain.kt

@@ -15,25 +15,25 @@ enum class Messenger(val messenger: String) {
 }
 
 @Table
-data class Problem(
-    @Id @JvmField var id: String,
-    val link: String,
-    val title: String,
+class Problem(
+    @Id @JvmField var id: String?,
+    val link: String?,
+    val title: String?,
     val acceptance: String?,
-    val difficulty: String,
-    val platform: String = Platform.LEETCODE.platform
+    val difficulty: String?,
+    val platform: String? = Platform.LEETCODE.platform
 ) : Persistable<String> {
-    override fun getId(): String = id
+    override fun getId(): String ? = id
 
     override fun isNew(): Boolean {
-        val new = id.isEmpty()
+        val new = id?.isEmpty() ?: true
         id = if (new) UUID.randomUUID().toString() else id
         return new
     }
 
 }
 
-data class Chat(
+class Chat(
     val id: String,
     val messenger: String = Messenger.TELEGRAM.messenger
 )

telegram-bot/src/main/kotlin/by/jprof/coding/problems/bot/projection/projection.kt

@@ -1,5 +1,5 @@
 package by.jprof.coding.problems.bot.projection
 
 interface ProblemLink {
-    fun getLink(): String
+    val link: String
 }

telegram-bot/src/main/kotlin/by/jprof/coding/problems/bot/task/PoolLeetcodeProblem.kt

@@ -29,7 +29,7 @@ class PoolLeetcodeProblem(
     fun runPool() = runBlocking {
         txOperator.executeAndAwait {
             log.info("getting saved leetcode problems")
-            val links = problemRepository.findAllProjectedBy().map { it.getLink() }.toSet()
+            val links = problemRepository.findAllProjectedBy().map { it.link }.toSet()
             log.info("scraping all leetcode the problems")
             val scrapedProblems = leetCodeProblemsScraper.scrapeAllLeetCodeProblems()
             scrapedProblems.forEach {log.info(it.difficulty)}