Added orchestration layer

packages/orchestration-service/src/services/inference.js

@@ -0,0 +1,18 @@
+const fetch = require('node-fetch');
+const { getEnv } = require('@nexusai/shared');
+
+const BASE_URL = getEnv('INFERENCE_SERVICE_URL', 'http://localhost:3001');
+
+async function complete(prompt, options ={}) {
+    const res = await fetch(`${BASE_URL}/complete`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ prompt, ...options })
+    })
+    if (!res.ok) throw new Error(`Inference service error: ${res.status} ${res.statusText}`);
+    return res.json();
+}
+
+module.exports = {
+    complete
+}

packages/orchestration-service/src/services/memory.js

@@ -0,0 +1,48 @@
+const fetch = require('node-fetch');
+const { getEnv } = require('@nexusai/shared');
+
+const BASE_URL = getEnv('MEMORY_SERVICE_URL', 'http://localhost:3002');
+
+//function to get session by external id, returns null if not found, throws error for other issues
+async function getSessionByExternalId(externalId) {
+    const res = await fetch(`${BASE_URL}/sessions/by-external/${externalId}`);
+
+    if (!res.status === 400) return null; // Not found or bad request
+    if (!res.ok) throw new Error(`Memory service error: ${res.status} ${res.statusText}`);  // Other errors
+
+    return res.json();
+}
+
+// create a new session with an external ID, returns the created session
+async function createSession(externalId) {
+    const res = await fetch(`${BASE_URL}/sessions`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ externalId })
+    });
+    if (!res.ok) throw new Error(`Failed to create sessions: ${res.status} ${res.statusText}`);
+    return res.json();
+}
+
+async function getRecentEpisodes(sessionId, limit = 10) {
+    const res = await fetch(`${BASE_URL}/sessions/${sessionId}/episodes/recent?limit=${limit}`);
+    if (!res.ok) throw new Error(`Failed to fetch episodes: ${res.status} ${res.statusText}`);
+    return res.json();
+}
+
+async function createEpisode(sessionId, userMessage, aiResponse, tokenCount) {
+    const res = await fetch(`${BASE_URL}/episodes`, {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/json' },
+        body: JSON.stringify({ sessionId, userMessage, aiResponse, tokenCount })
+    });
+    if (!res.ok) throw new Error(`Failed to create episode: ${res.status} ${res.statusText}`);
+    return res.json();
+}
+
+module.exports = {
+    getSessionByExternalId,
+    createSession,
+    getRecentEpisodes,
+    createEpisode
+}