Add map admin feature.

server/src/main/kotlin/com/pixelized/server/lwa/server/rest/map/PUT_Map.kt

@@ -15,9 +15,11 @@ fun Engine.putMap(): suspend RoutingContext.() -> Unit {
     return {
         try {
             val form = call.receive<MapJson>()
+            val create = call.queryParameters.create
 
             mapService.save(
                 json = form,
+                create = create,
             )
             call.respond(
                 message = APIResponse.success(),

server/src/main/kotlin/com/pixelized/server/lwa/services/map/MapService.kt

@@ -19,9 +19,11 @@ class MapService(
     @Throws
     suspend fun save(
         json: MapJson,
+        create: Boolean,
     ) {
         mapStore.save(
             map = json,
+            create = create,
         )
     }
 

server/src/main/kotlin/com/pixelized/server/lwa/services/map/MapStore.kt

@@ -16,7 +16,6 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import kotlinx.serialization.json.Json
 import java.io.File
-import java.text.Collator
 
 class MapStore(
     private val pathProvider: PathProvider,
@@ -74,18 +73,27 @@ class MapStore(
     }
 
     @Throws(JsonConversionException::class, FileWriteException::class)
-    suspend fun save(map: MapJson) {
-        // convert the data to json format
-        val json = try {
+    suspend fun save(
+        map: MapJson,
+        create: Boolean,
+    ) {
+        val file = mapFile(id = map.id)
+        // Guard case on update alteration
+        if (create && file.exists()) {
+            throw BusinessException(
+                message = "Map already exist, creation is impossible.",
+            )
+        }
+        // Encode the json into a string.
+        val data = try {
             this.jsonSerializer.encodeToString(map)
         } catch (exception: Exception) {
             throw JsonConversionException(root = exception)
         }
-        // write the file
+        // write the map into a file
         try {
-            val file = mapFile(id = map.id)
             file.writeText(
-                text = json,
+                text = data,
                 charset = Charsets.UTF_8,
             )
         } catch (exception: Exception) {
@@ -105,13 +113,13 @@ class MapStore(
         // Guard case on the file existence.
         if (file.exists().not()) {
             throw BusinessException(
-                message = "Alteration doesn't not exist, deletion is impossible.",
+                message = "Map doesn't not exist, deletion is impossible.",
             )
         }
         // Guard case on the file deletion
         if (file.delete().not()) {
             throw BusinessException(
-                message = "Alteration file have not been deleted for unknown reason.",
+                message = "Map file have not been deleted for unknown reason.",
             )
         }
         // Update the data model with the deleted alteration.

server/src/main/kotlin/com/pixelized/server/lwa/utils/extentions/ParametersExt.kt

@@ -46,7 +46,7 @@ val Parameters.itemId: String
 val Parameters.mapId: String
     get() = param(
         name = "mapId",
-        code = APIResponse.ErrorCode.ItemId,
+        code = APIResponse.ErrorCode.MapId,
     )
 
 val Parameters.count: Float