Added Backend

backend/src/modules/helpdesk/helpdesk.message.service.ts

@@ -0,0 +1,60 @@
+// modules/helpdesk/helpdesk.message.service.ts
+import { FastifyInstance } from 'fastify'
+
+export async function addMessage(
+    server: FastifyInstance,
+    {
+        tenant_id,
+        conversation_id,
+        author_user_id = null,
+        direction = 'incoming',
+        payload,
+        raw_meta = null,
+        external_message_id = null,
+    }: {
+        tenant_id: number
+        conversation_id: string
+        author_user_id?: string | null
+        direction?: 'incoming' | 'outgoing' | 'internal' | 'system'
+        payload: any
+        raw_meta?: any
+        external_message_id?: string
+    }
+) {
+    if (!payload?.text) throw new Error('Message payload requires text content')
+
+    const { data: message, error } = await server.supabase
+        .from('helpdesk_messages')
+        .insert({
+            tenant_id,
+            conversation_id,
+            author_user_id,
+            direction,
+            payload,
+            raw_meta,
+            created_at: new Date().toISOString(),
+        })
+        .select()
+        .single()
+
+    if (error) throw error
+
+    // Letzte Nachricht aktualisieren
+    await server.supabase
+        .from('helpdesk_conversations')
+        .update({ last_message_at: new Date().toISOString() })
+        .eq('id', conversation_id)
+
+    return message
+}
+
+export async function getMessages(server: FastifyInstance, conversation_id: string) {
+    const { data, error } = await server.supabase
+        .from('helpdesk_messages')
+        .select('*')
+        .eq('conversation_id', conversation_id)
+        .order('created_at', { ascending: true })
+
+    if (error) throw error
+    return data
+}