Create getChatController.js

Author: pranit-gandhi

controllers/getChatController.js

@@ -0,0 +1,47 @@
+import { createClient } from '@supabase/supabase-js';
+import dotenv from 'dotenv';
+
+dotenv.config();
+const supabase = createClient(process.env.SUPABASE_URL, process.env.SUPABASE_KEY);
+
+
+export async function getOrCreateChatSession(req, res) {
+    try {
+        const { userId, classroomId } = req.body;
+
+        if (!userId || !classroomId) {
+            return res.status(400).json({ error: "Missing required fields" });
+        }
+
+        let { data, error } = await supabase
+            .from('chat_sessions')
+            .select('session_id')
+            .eq('user_id', userId)
+            .eq('classroom_id', classroomId)
+            .single();
+
+        if (error && error.code !== 'PGRST116') {
+            console.error("Error fetching session:", error);
+            return res.status(500).json({ error: "Failed to fetch session" });
+        }
+
+        if (!data) {
+            const { data: newSession, error: newSessionError } = await supabase
+                .from('chat_sessions')
+                .insert({ user_id: userId, classroom_id: classroomId })
+                .select()
+                .single();
+
+            if (newSessionError) {
+                console.error("Error creating session:", newSessionError);
+                return res.status(500).json({ error: "Failed to create session" });
+            }
+            data = newSession;
+        }
+
+        return res.json(data);
+    } catch (error) {
+        console.error("Unexpected error:", error);
+        return res.status(500).json({ error: "Internal server error" });
+    }
+}