Server : Alteration error management

shared/src/commonMain/kotlin/com/pixelized/shared/lwa/Module.kt

@@ -31,6 +31,7 @@ val toolsDependencies
     get() = module {
         factory {
             Json {
+                encodeDefaults = true
                 explicitNulls = false
                 prettyPrint = true
             }

shared/src/commonMain/kotlin/com/pixelized/shared/lwa/protocol/rest/PutResultJson.kt

@@ -0,0 +1,33 @@
+package com.pixelized.shared.lwa.protocol.rest
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+sealed interface ResultJson {
+    val success: Boolean
+
+    @Serializable
+    data class Error(
+        override val success: Boolean = false,
+        val status: Int,
+        val message: String,
+    ) : ResultJson {
+        companion object {
+            const val GENERIC = 500
+
+            const val FILE_ALREADY_EXIST = GENERIC + 1
+            const val FILE_DOES_NOT_EXIST = GENERIC + 2
+
+            const val MISSING_PARAMETER = 1000
+            const val MISSING_CHARACTER_SHEET_ID = MISSING_PARAMETER + 1
+            const val MISSING_ALTERATION_ID = MISSING_PARAMETER + 2
+            const val MISSING_CREATE = MISSING_PARAMETER + 3
+        }
+    }
+
+    @Serializable
+    data class Success(
+        override val success: Boolean = true,
+        val status: Int = 100,
+    ) : ResultJson
+}