Add AI-powered chatbot for media outlets

Integrate an AI chatbot feature allowing users to interact with media outlets, fetch chat history, and generate AI responses using OpenAI.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 9a264234-c5d7-4dcc-adf3-a954b149b30d
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/3df548ff-50ae-432f-9be4-25d34eccc983/9a264234-c5d7-4dcc-adf3-a954b149b30d/d35d7YU

server/routes.ts

@@ -2,7 +2,8 @@ import type { Express } from "express";
 import { createServer, type Server } from "http";
 import { storage } from "./storage";
 import { setupAuth, isAuthenticated } from "./simpleAuth";
-import { insertArticleSchema, insertMediaOutletRequestSchema, insertBidSchema, insertCommentSchema, insertPredictionBetSchema, insertCommunityPostSchema, insertCommunityReplySchema } from "@shared/schema";
+import { insertArticleSchema, insertMediaOutletRequestSchema, insertBidSchema, insertCommentSchema, insertPredictionBetSchema, insertCommunityPostSchema, insertCommunityReplySchema, insertChatMessageSchema } from "@shared/schema";
+import { generateChatbotResponse } from "./chatbot";
 
 export async function registerRoutes(app: Express): Promise<Server> {
   // Auth middleware
@@ -582,6 +583,77 @@ export async function registerRoutes(app: Express): Promise<Server> {
     }
   });
 
+  // Chatbot routes
+  app.get('/api/media-outlets/:slug/chat', isAuthenticated, async (req: any, res) => {
+    try {
+      const outlet = await storage.getMediaOutletBySlug(req.params.slug);
+      if (!outlet) {
+        return res.status(404).json({ message: "Media outlet not found" });
+      }
+
+      const userId = req.user.claims?.sub || req.user.id;
+      const messages = await storage.getChatMessages(outlet.id, userId);
+      res.json(messages);
+    } catch (error) {
+      console.error("Error fetching chat messages:", error);
+      res.status(500).json({ message: "Failed to fetch chat messages" });
+    }
+  });
+
+  app.post('/api/media-outlets/:slug/chat', isAuthenticated, async (req: any, res) => {
+    try {
+      const outlet = await storage.getMediaOutletBySlug(req.params.slug);
+      if (!outlet) {
+        return res.status(404).json({ message: "Media outlet not found" });
+      }
+
+      const userId = req.user.claims?.sub || req.user.id;
+      const { content } = req.body;
+
+      if (!content || typeof content !== 'string') {
+        return res.status(400).json({ message: "Invalid message content" });
+      }
+
+      // Save user message
+      const userMessage = insertChatMessageSchema.parse({
+        mediaOutletId: outlet.id,
+        userId,
+        role: 'user',
+        content
+      });
+      await storage.createChatMessage(userMessage);
+
+      // Get chat history
+      const chatHistory = await storage.getChatMessages(outlet.id, userId);
+      const messages = chatHistory.map(msg => ({
+        role: msg.role as 'user' | 'assistant',
+        content: msg.content
+      }));
+
+      // Generate AI response
+      const aiResponse = await generateChatbotResponse(
+        messages,
+        outlet.name,
+        outlet.category,
+        outlet.description || undefined
+      );
+
+      // Save assistant message
+      const assistantMessage = insertChatMessageSchema.parse({
+        mediaOutletId: outlet.id,
+        userId,
+        role: 'assistant',
+        content: aiResponse
+      });
+      const savedAssistantMessage = await storage.createChatMessage(assistantMessage);
+
+      res.status(201).json(savedAssistantMessage);
+    } catch (error) {
+      console.error("Error processing chat message:", error);
+      res.status(500).json({ message: "Failed to process chat message" });
+    }
+  });
+
   const httpServer = createServer(app);
   return httpServer;
 }