feat: Enhanced Ollama Integration (Model Fetching/Pulling)

server/routes.ts

@@ -210,6 +210,51 @@ export async function registerRoutes(app: Express): Promise<Server> {
     res.json({ success: true });
   });
 
+
+  app.post("/api/admin/ollama/tags", isAdmin, async (req, res) => {
+    const { baseUrl } = req.body;
+    // Default to localhost:11434 if not provided, or stored setting?
+    // Client should send the value from the input field.
+    const url = (baseUrl || "http://localhost:11434").replace(/\/$/, "") + "/api/tags";
+    try {
+      const resp = await fetch(url);
+      if (!resp.ok) throw new Error(`Ollama Error: ${resp.statusText}`);
+      const data = await resp.json();
+      res.json(data);
+    } catch (e: any) {
+      console.error("Ollama Tags Error:", e);
+      res.status(500).json({ error: "Failed to fetch Ollama tags: " + e.message });
+    }
+  });
+
+  app.post("/api/admin/ollama/pull", isAdmin, async (req, res) => {
+    const { baseUrl, model } = req.body;
+    if (!model) return res.status(400).json({ error: "Model name required" });
+
+    const url = (baseUrl || "http://localhost:11434").replace(/\/$/, "") + "/api/pull";
+    console.log(`Pulling Ollama model ${model} from ${url}...`);
+
+    try {
+      // connecting to ollama
+      const resp = await fetch(url, {
+        method: "POST",
+        headers: { "Content-Type": "application/json" },
+        body: JSON.stringify({ name: model, stream: false }),
+      });
+
+      if (!resp.ok) {
+        const errText = await resp.text();
+        throw new Error(`Ollama Pull Error: ${errText}`);
+      }
+
+      const data = await resp.json();
+      res.json(data);
+    } catch (e: any) {
+      console.error("Ollama Pull Error:", e);
+      res.status(500).json({ error: "Failed to pull model: " + e.message });
+    }
+  });
+
   // --- AI Routes ---
   app.post("/api/ai/chat", async (req, res) => {
     if (!req.isAuthenticated()) return res.sendStatus(401);