refactor: extract paging helpers

2026-05-14 18:01:38 +03:00
parent d91b726b9d
commit 2e472733d9
6 changed files with 114 additions and 75 deletions
@@ -0,0 +1,25 @@
+package dev.meloda.fast.common.paging
+
+fun canPaginate(pageSize: Int, loadedCount: Int): Boolean = loadedCount == pageSize
+
+fun isPaginationExhausted(
+    pageSize: Int,
+    loadedCount: Int,
+    hasExistingItems: Boolean
+): Boolean = loadedCount != pageSize && hasExistingItems
+
+fun <T> mergePage(
+    existing: List<T>,
+    page: List<T>,
+    offset: Int
+): List<T> = if (offset == 0) page else existing + page
+
+data class LoadingFlags(
+    val isLoading: Boolean,
+    val isPaginating: Boolean
+)
+
+fun loadingFlags(offset: Int, isLoading: Boolean): LoadingFlags = LoadingFlags(
+    isLoading = offset == 0 && isLoading,
+    isPaginating = offset > 0 && isLoading
+)