Add image URL prefix and completion helpers to JellyfinImageHelper

core/data/src/main/java/hu/bbara/purefin/core/data/image/JellyfinImageHelper.kt

@@ -5,6 +5,7 @@ import org.jellyfin.sdk.model.api.ImageType
 
 class JellyfinImageHelper {
     companion object {
+
         fun toImageUrl(url: String, itemId: UUID, type: ImageType): String {
             if (url.isEmpty()) {
                 return ""
@@ -17,5 +18,25 @@ class JellyfinImageHelper {
                 .append(type.serialName)
                 .toString()
         }
+
+        fun toPrefixImageUrl(url: String, itemId: UUID): String {
+            if (url.isEmpty()) {
+                return ""
+            }
+            return StringBuilder()
+                .append(url)
+                .append("/Items/")
+                .append(itemId)
+                .append("/Images/")
+                .toString()
+        }
+
+        fun finishImageUrl(prefixImageUrl: String, imageType: ImageType): String {
+            return StringBuilder()
+                .append(prefixImageUrl)
+                .append(imageType.serialName)
+                .toString()
+
+        }
     }
 }