Added Backend

backend/db/schema/helpdesk_conversation_participants.ts

@@ -0,0 +1,34 @@
+import {
+    pgTable,
+    uuid,
+    text,
+} from "drizzle-orm/pg-core"
+
+import { helpdesk_conversations } from "./helpdesk_conversations"
+import { authUsers } from "./auth_users"
+
+export const helpdesk_conversation_participants = pgTable(
+    "helpdesk_conversation_participants",
+    {
+        conversationId: uuid("conversation_id")
+            .notNull()
+            .references(() => helpdesk_conversations.id, { onDelete: "cascade" }),
+
+        userId: uuid("user_id")
+            .notNull()
+            .references(() => authUsers.id, { onDelete: "cascade" }),
+
+        role: text("role"),
+    },
+    (table) => ({
+        pk: {
+            name: "helpdesk_conversation_participants_pkey",
+            columns: [table.conversationId, table.userId],
+        },
+    })
+)
+
+export type HelpdeskConversationParticipant =
+    typeof helpdesk_conversation_participants.$inferSelect
+export type NewHelpdeskConversationParticipant =
+    typeof helpdesk_conversation_participants.$inferInsert