1 files changed, 56 insertions, 28 deletions
diff --git a/lib/tech-vendors/utils.ts b/lib/tech-vendors/utils.ts
index ac91cd8d..ea8cdbd3 100644
--- a/lib/tech-vendors/utils.ts
+++ b/lib/tech-vendors/utils.ts
@@ -1,28 +1,56 @@
-import { LucideIcon, CheckCircle2, CircleAlert, Clock, ShieldAlert, Mail, BarChart2 } from "lucide-react";
-import type { TechVendor } from "@/db/schema/techVendors";
-
-type StatusType = TechVendor["status"];
-
-/**
- * 기술벤더 상태에 대한 아이콘을 반환합니다.
- */
-export function getVendorStatusIcon(status: StatusType): LucideIcon {
-  switch (status) {
-    case "PENDING_INVITE":
-      return Clock;
-    case "INVITED":
-      return Mail;
-    case "QUOTE_COMPARISON":
-      return BarChart2;
-    case "ACTIVE":
-      return CheckCircle2;
-    case "INACTIVE":
-      return CircleAlert;
-    case "BLACKLISTED":
-      return ShieldAlert;
-    default:
-      return CircleAlert;
-  }
-}
-
-
+import { LucideIcon, CheckCircle2, CircleAlert, Clock, ShieldAlert, Mail, BarChart2 } from "lucide-react";
+import type { TechVendor } from "@/db/schema/techVendors";
+
+type StatusType = TechVendor["status"];
+
+/**
+ * 기술벤더 상태에 대한 아이콘을 반환합니다.
+ */
+export function getVendorStatusIcon(status: StatusType): LucideIcon {
+  switch (status) {
+    case "PENDING_INVITE":
+      return Clock;
+    case "INVITED":
+      return Mail;
+    case "QUOTE_COMPARISON":
+      return BarChart2;
+    case "ACTIVE":
+      return CheckCircle2;
+    case "INACTIVE":
+      return CircleAlert;
+    case "BLACKLISTED":
+      return ShieldAlert;
+    default:
+      return CircleAlert;
+  }
+}
+
+/**
+ * 이메일을 소문자로 변환합니다.
+ * null, undefined, 또는 빈 문자열인 경우 null을 반환합니다.
+ */
+export function normalizeEmail(email: string | null | undefined): string | null {
+  if (!email || typeof email !== 'string' || email.trim() === '') {
+    return null;
+  }
+  return email.toLowerCase().trim();
+}
+
+/**
+ * 여러 이메일 필드들을 소문자로 변환합니다.
+ */
+export function normalizeEmailFields(data: {
+  email?: string | null;
+  agentEmail?: string | null;
+  representativeEmail?: string | null;
+  contactEmail?: string | null;
+}) {
+  return {
+    email: normalizeEmail(data.email),
+    agentEmail: normalizeEmail(data.agentEmail),
+    representativeEmail: normalizeEmail(data.representativeEmail),
+    contactEmail: normalizeEmail(data.contactEmail),
+  };
+}
+
+