Merge pull request '2.18 serialization issues fix. Fixes #61.' (#64) from bugfix/old-version-serialization into master

Reviewed-on: https://gitea.amine-louveau.fr/Louvorg/ReaderForSelfoss-multiplatform/pulls/64

shared/src/commonMain/kotlin/bou/amine/apps/readerforselfossv2/model/SelfossModel.kt

@@ -2,7 +2,14 @@ package bou.amine.apps.readerforselfossv2.model
 
 import bou.amine.apps.readerforselfossv2.utils.DateUtils
 import bou.amine.apps.readerforselfossv2.utils.getHtmlDecoded
+import kotlinx.serialization.KSerializer
 import kotlinx.serialization.Serializable
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import kotlinx.serialization.json.*
 
 class SelfossModel {
 
@@ -50,6 +57,7 @@ class SelfossModel {
     data class Source(
         val id: Int,
         val title: String,
+        @Serializable(with = TagsListSerializer::class)
         val tags: List<String>,
         val spout: String,
         val error: String,
@@ -62,12 +70,15 @@ class SelfossModel {
         val datetime: String,
         val title: String,
         val content: String,
+        @Serializable(with = BooleanSerializer::class)
         var unread: Boolean,
+        @Serializable(with = BooleanSerializer::class)
         var starred: Boolean,
         val thumbnail: String?,
         val icon: String?,
         val link: String,
         val sourcetitle: String,
+        @Serializable(with = TagsListSerializer::class)
         val tags: List<String>
     ) {
         // TODO: maybe find a better way to handle these kind of urls
@@ -106,6 +117,38 @@ class SelfossModel {
         }
     }
 
+    // TODO: this seems to be super slow.
+    object TagsListSerializer : KSerializer<List<String>> {
+        override fun deserialize(decoder: Decoder): List<String> {
+            return when(val json = ((decoder as JsonDecoder).decodeJsonElement())) {
+                is JsonArray -> json.toList().map { it.toString() }
+                else -> json.toString().split(",")
+            }
+
+        }
+
+        override val descriptor: SerialDescriptor
+            get() = PrimitiveSerialDescriptor("tags", PrimitiveKind.STRING)
+
+        override fun serialize(encoder: Encoder, value: List<String>) {
+            TODO("Not yet implemented")
+        }
+    }
+
+    object BooleanSerializer : KSerializer<Boolean> {
+        override fun deserialize(decoder: Decoder): Boolean {
+            val json = ((decoder as JsonDecoder).decodeJsonElement()).jsonPrimitive
+            return json.booleanOrNull ?: json.int == 1
+        }
+
+        override val descriptor: SerialDescriptor
+            get() = PrimitiveSerialDescriptor("b", PrimitiveKind.BOOLEAN)
+
+        override fun serialize(encoder: Encoder, value: Boolean) {
+            TODO("Not yet implemented")
+        }
+    }
+
     class StatusAndData<T>(val success: Boolean, val data: T? = null) {
         companion object {
             fun <T> succes(d: T): StatusAndData<T> {