From 1f98caf69651b82fc3f710bc452a1324fd5c8082 Mon Sep 17 00:00:00 2001
From: Max Stephan <max.stephan@mni.thm.de>
Date: Tue, 5 Sep 2023 14:59:59 +0200
Subject: [PATCH] refactor(core): fix klint errors

---
 .../excel/result/ExcelCheckerResultData.kt    |  2 +-
 .../v2/spreadsheet/SpreadsheetEvaluator.kt    | 28 +++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 modules/fbs-core/api/src/main/kotlin/de/thm/ii/fbs/utils/v2/spreadsheet/SpreadsheetEvaluator.kt

diff --git a/modules/fbs-core/api/src/main/kotlin/de/thm/ii/fbs/model/v2/checker/excel/result/ExcelCheckerResultData.kt b/modules/fbs-core/api/src/main/kotlin/de/thm/ii/fbs/model/v2/checker/excel/result/ExcelCheckerResultData.kt
index f68c606be..1a62f7d79 100644
--- a/modules/fbs-core/api/src/main/kotlin/de/thm/ii/fbs/model/v2/checker/excel/result/ExcelCheckerResultData.kt
+++ b/modules/fbs-core/api/src/main/kotlin/de/thm/ii/fbs/model/v2/checker/excel/result/ExcelCheckerResultData.kt
@@ -70,7 +70,7 @@ data class CellResultData(
     @get:JsonIgnore // Not return this information to the user
     val formula: String?,
     @get:JsonIgnore // Not return this information to the user
-    val solution: Cell?,
+    val solution: Cell?
 ) {
     constructor(cell: Cell, cellResult: CellResult?) : this(
         cell.cell,
diff --git a/modules/fbs-core/api/src/main/kotlin/de/thm/ii/fbs/utils/v2/spreadsheet/SpreadsheetEvaluator.kt b/modules/fbs-core/api/src/main/kotlin/de/thm/ii/fbs/utils/v2/spreadsheet/SpreadsheetEvaluator.kt
new file mode 100644
index 000000000..05f543e00
--- /dev/null
+++ b/modules/fbs-core/api/src/main/kotlin/de/thm/ii/fbs/utils/v2/spreadsheet/SpreadsheetEvaluator.kt
@@ -0,0 +1,28 @@
+package de.thm.ii.fbs.utils.v2.spreadsheet
+
+import org.apache.poi.ss.usermodel.CellType
+import org.apache.poi.ss.usermodel.FormulaEvaluator
+import org.apache.poi.ss.usermodel.Workbook
+import org.slf4j.LoggerFactory
+
+class SpreadsheetEvaluator {
+    companion object {
+        private val logger = LoggerFactory.getLogger(SpreadsheetEvaluator::class.java)
+
+        fun evaluateAll(workbook: Workbook, evaluator: FormulaEvaluator) {
+            for (sheet in workbook.sheetIterator()) {
+                for (row in sheet.rowIterator()) {
+                    for (cell in row.cellIterator()) {
+                        if (cell.cellType == CellType.FORMULA) {
+                            try {
+                                evaluator.evaluateFormulaCell(cell)
+                            } catch (e: Exception) {
+                                // Ignore Evaluation errors
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file