From 16b6fff6dc0fd9c51c2ed7f51f17423aa59241a6 Mon Sep 17 00:00:00 2001
From: Elio Struyf <elio@struyfconsulting.be>
Date: Sun, 13 Nov 2022 20:21:47 +0100
Subject: [PATCH] #362 - Case sensitive + insensitive option

---
 src/utils/fieldWhenClause.ts | 61 ++++++++++++++++++++++++++++++++++--
 1 file changed, 59 insertions(+), 2 deletions(-)

diff --git a/src/utils/fieldWhenClause.ts b/src/utils/fieldWhenClause.ts
index 7e84c82a..f20c539c 100644
--- a/src/utils/fieldWhenClause.ts
+++ b/src/utils/fieldWhenClause.ts
@@ -1,15 +1,51 @@
+import { WhenClause } from './../models/PanelSettings';
 import { Field, WhenOperator } from "../models";
 import { IMetadata } from "../panelWebView/components/Metadata";
 
-
+/**
+ * Validate the field its "when" clause
+ * @param field 
+ * @param parent 
+ * @returns 
+ */
 export const fieldWhenClause = (field: Field, parent: IMetadata): boolean => {
   const when = field.when;
   if (!when) {
     return true;
   }
 
-  const whenValue = parent[when.fieldRef];
+  let whenValue = parent[when.fieldRef];
+  if (when.caseSensitive || typeof when.caseSensitive === "undefined") {
+    return caseSensitive(when, field, whenValue);
+  } else {
+    return caseInsensitive(when, field, whenValue);
+  }
+}
 
+/**
+ * Case sensitive checks
+ * @param when 
+ * @param field 
+ * @param whenValue 
+ * @returns 
+ */
+const caseInsensitive = (when: WhenClause, field: Field, whenValue: string | IMetadata | string[] | null) => {
+  whenValue = lowerValue(whenValue);
+  
+  const whenClone = Object.assign({}, when);
+  whenClone.value = lowerValue(whenClone.value);
+
+  return caseSensitive(whenClone, field, whenValue);
+}
+
+/**
+ * Case insensitive checks
+ * @param when 
+ * @param field 
+ * @param whenValue 
+ * @returns 
+ */
+const caseSensitive = (when: WhenClause, field: Field, whenValue: string | IMetadata | string[] | null) => {  
   switch (when.operator) {
     case WhenOperator.equals:
       if (whenValue !== when.value) {
@@ -66,4 +102,25 @@ export const fieldWhenClause = (field: Field, parent: IMetadata): boolean => {
   }
 
   return true;
+}
+
+/**
+ * Lower the value(s)
+ * @param value 
+ * @returns 
+ */
+const lowerValue = (value: string | string[] | any) => {
+  if (typeof value === "string") {
+    value = value.toLowerCase();
+  } else if (value instanceof Array) {
+    value = value.map(crntValue => {
+      if (typeof crntValue === "string") {
+        return crntValue.toLowerCase();
+      }
+
+      return crntValue;
+    });
+  }
+
+  return value;
 }
\ No newline at end of file