added ratings

ratings/source/src/commonMain/kotlin/PackageInfo.kt

@@ -0,0 +1 @@
+package dev.inmo.plaguposter.ratings.source

ratings/source/src/commonMain/kotlin/models/RatingsVariants.kt

@@ -0,0 +1,35 @@
+package dev.inmo.plaguposter.ratings.source.models
+
+import dev.inmo.plaguposter.ratings.models.Rating
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.builtins.MapSerializer
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import kotlinx.serialization.json.*
+
+typealias RatingsVariants = Map<String, Rating>
+object RatingsVariantsSerializer : KSerializer<RatingsVariants> {
+    val surrogate = JsonObject.serializer()
+    override val descriptor: SerialDescriptor = surrogate.descriptor
+    override fun deserialize(decoder: Decoder): RatingsVariants {
+        val o = surrogate.deserialize(decoder)
+        return o.entries.mapNotNull { (key, value) ->
+            val doubleValue =  (value as? JsonPrimitive) ?.doubleOrNull ?: return@mapNotNull null
+            key to Rating(doubleValue)
+        }.toMap()
+    }
+
+    override fun serialize(encoder: Encoder, value: RatingsVariants) {
+        surrogate.serialize(
+            encoder,
+            buildJsonObject {
+                value.forEach { (text, rating) ->
+                    put(text, rating.double)
+                }
+            }
+        )
+    }
+
+}

ratings/source/src/commonMain/kotlin/models/VariantTransformer.kt

@@ -0,0 +1,7 @@
+package dev.inmo.plaguposter.ratings.source.models
+
+import dev.inmo.plaguposter.ratings.models.Rating
+
+fun interface VariantTransformer {
+    operator fun invoke(from: String): Rating?
+}

ratings/source/src/commonMain/kotlin/repos/PollsToMessagesInfoRepo.kt

@@ -0,0 +1,8 @@
+package dev.inmo.plaguposter.ratings.source.repos
+
+import dev.inmo.micro_utils.repos.KeyValueRepo
+import dev.inmo.plaguposter.common.ShortMessageInfo
+import dev.inmo.plaguposter.posts.models.PostId
+import dev.inmo.tgbotapi.types.PollIdentifier
+
+interface PollsToMessagesInfoRepo : KeyValueRepo<PollIdentifier, ShortMessageInfo>

ratings/source/src/commonMain/kotlin/repos/PollsToPostsIdsRepo.kt

@@ -0,0 +1,7 @@
+package dev.inmo.plaguposter.ratings.source.repos
+
+import dev.inmo.micro_utils.repos.KeyValueRepo
+import dev.inmo.plaguposter.posts.models.PostId
+import dev.inmo.tgbotapi.types.PollIdentifier
+
+interface PollsToPostsIdsRepo : KeyValueRepo<PollIdentifier, PostId>