mirror of
https://git.coastit.co.za/caitlin/CRM_ENVR.git
synced 2026-07-10 03:05:43 +02:00
590 lines
23 KiB
JavaScript
590 lines
23 KiB
JavaScript
// ── CRM AI Server ──────────────────────────────────────────────────
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// Provides:
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// - Chat API (POST /ai/chat) — routes user messages to Ollama for sales coaching
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// - Setup wizard endpoints (GET /setup/status, POST /setup/profile, etc.)
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// - Combined /status endpoint for splash page health polling
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// - Configuration routes (GET/POST /ai/instructions, GET /ai/jobs)
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// - Model pull support (POST /setup/ollama/pull)
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//
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// This is a zero-dependency Node.js HTTP server (no Express needed).
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import http from "node:http"
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import fs from "node:fs"
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import path from "node:path"
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import { spawn } from "node:child_process"
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import { fileURLToPath } from "node:url"
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const __dirname = path.dirname(fileURLToPath(import.meta.url))
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const ROOT = path.resolve(__dirname, "..")
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// ── Load .env.local ──────────────────────────────────────────────
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// Reads key=value pairs and sets them as process.env so they're
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// available throughout the server. Ignores comments and blank lines.
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// Values with matching quotes are unquoted.
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try {
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const envPath = path.join(ROOT, ".env.local")
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const envContent = fs.readFileSync(envPath, "utf-8")
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for (const line of envContent.split("\n")) {
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const trimmed = line.trim()
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if (!trimmed || trimmed.startsWith("#")) continue
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const eqIdx = trimmed.indexOf("=")
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if (eqIdx === -1) continue
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const k = trimmed.substring(0, eqIdx).trim()
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let v = trimmed.substring(eqIdx + 1).trim()
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if ((v.startsWith('"') && v.endsWith('"')) || (v.startsWith("'") && v.endsWith("'"))) v = v.slice(1, -1)
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if (!process.env[k]) process.env[k] = v
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}
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console.log("Loaded .env.local")
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} catch {
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// .env.local may not exist (first run), which is fine
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}
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// ── Config from env ─────────────────────────────────────────────
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const PORT = parseInt(process.env.AI_PORT || "3001", 10)
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const HOST = process.env.AI_HOST || "0.0.0.0"
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const OLLAMA_URL = process.env.OLLAMA_BASE_URL || "http://localhost:11434"
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const MODEL = process.env.AI_MODEL || "llama3.2:3b"
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const SCRAPER_URL = process.env.SCRAPER_URL || "http://127.0.0.1:3008"
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const FRONTEND_URL = process.env.FRONTEND_URL || "http://127.0.0.1:3006"
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const DATABASE_URL = process.env.DATABASE_URL
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const JOBS_PATH = process.env.JOBS_PATH || path.join(ROOT, "data", "ai", "jobs.jsonl")
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const AI_MD_PATH = process.env.AI_MD_PATH || path.join(ROOT, "data", "ai", "ai.md")
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// ── Setup state ──────────────────────────────────────────────────
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// Tracks the Ollama model pull process so the setup wizard can
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// poll for download progress.
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let pullProcess = null
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let pullProgress = { status: "idle", progress: 0, message: "" }
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// ── Job loading ─────────────────────────────────────────────────
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// Loads job categories from a JSONL file (one JSON object per line).
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// Used as context for the AI sales coach chat responses.
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function loadJobs() {
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try {
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const content = fs.readFileSync(JOBS_PATH, "utf-8")
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const jobs = content
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.split("\n")
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.map((l) => l.trim())
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.filter(Boolean)
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.map((l) => {
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try {
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return JSON.parse(l)
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} catch {
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return null
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}
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})
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.filter(Boolean)
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console.log(`Loaded ${jobs.length} job categories`)
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return jobs
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} catch (e) {
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console.error(`Failed to load jobs from ${JOBS_PATH}:`, e.message)
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return []
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}
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}
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// ── ai.md management ────────────────────────────────────────────
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// ai.md is a Markdown file containing system instructions for the AI.
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// It can be read, written, or appended to via the API.
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function readInstructions() {
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try {
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return fs.readFileSync(AI_MD_PATH, "utf-8")
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} catch {
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return ""
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}
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}
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function writeInstructions(content) {
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fs.writeFileSync(AI_MD_PATH, content, "utf-8")
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return content
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}
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function appendToImprovementLog(entry) {
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// Adds a timestamped entry to the ## Improvement Log section of ai.md
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const current = readInstructions()
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const timestamp = new Date().toISOString().replace("T", " ").substring(0, 16)
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const logEntry = `\n- ${timestamp} — ${entry}`
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const logSection = "\n## Improvement Log"
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const logIndex = current.indexOf(logSection)
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if (logIndex !== -1) {
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const afterLog = current.substring(logIndex + logSection.length)
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const nextSectionIndex = afterLog.search(/\n## /)
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if (nextSectionIndex !== -1) {
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const insertAt = logIndex + logSection.length + nextSectionIndex
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const updated = current.substring(0, insertAt) + logEntry + "\n" + current.substring(insertAt)
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writeInstructions(updated)
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return updated
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}
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writeInstructions(current + logEntry + "\n")
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return current + logEntry + "\n"
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}
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const updated = current + `\n${logSection}\n${logEntry}\n`
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writeInstructions(updated)
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return updated
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}
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// ── Chat handler ────────────────────────────────────────────────
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// scrapeFacebook() calls the scraper service (port 3008) to get leads.
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// handleChat() processes user messages — triggers lead scraping when
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// the user asks for "leads" or "listings", otherwise routes to Ollama
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// for AI-powered sales coaching.
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async function scrapeFacebook() {
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const profilePath = process.env.FX_PROFILE || ""
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const urlPath = `/scrape/facebook?force=true${profilePath ? `&profile_path=${encodeURIComponent(profilePath)}` : ""}`
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try {
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const body = await new Promise((resolve, reject) => {
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const parsed = new URL(SCRAPER_URL)
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const req = http.request({ hostname: parsed.hostname, port: parsed.port || 3008, path: urlPath, method: "POST", timeout: 360000 }, (res) => {
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let data = ""
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res.on("data", (c) => data += c)
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res.on("end", () => resolve(data))
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res.on("error", reject)
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})
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req.on("timeout", () => { req.destroy(); reject(new Error("timeout")) })
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req.on("error", reject)
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req.end()
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})
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const data = JSON.parse(body)
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return data
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} catch (e) {
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return null
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}
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}
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function formatLeads(leads) {
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if (!leads || leads.length === 0) return "No leads found from the latest scrape."
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let output = `**${leads.length} leads found:**\n\n`
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for (let i = 0; i < leads.length; i++) {
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const l = leads[i]
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output += `${i + 1}. ${l.title || "No title"}\n`
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if (l.author) output += ` Author: ${l.author}\n`
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if (l.date) output += ` Date: ${l.date}\n`
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if (l.url) output += ` URL: ${l.url}\n`
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output += "\n"
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}
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return output.trim()
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}
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async function handleChat(userMessage, userId, userRole) {
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// If the user asks for leads, trigger the scraper
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const lowerMsg = userMessage.toLowerCase()
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const triggerWords = ["lists", "listings", "leads", "recent leads", "pull leads", "show me leads", "show listings"]
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if (triggerWords.some(w => lowerMsg.includes(w))) {
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const result = await scrapeFacebook()
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if (result && result.success) {
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return formatLeads(result.leads)
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}
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return "Scraper returned no results or encountered an error. Try again later."
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}
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// Otherwise, build a system prompt with job context and send to Ollama
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const jobs = loadedJobs
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const instructions = readInstructions()
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const jobList = jobs
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.map((j) => `- ${j.job_title} (${j.industry}): ${j.description}`)
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.join("\n")
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const systemPrompt = `You are a Sales AI Assistant for Coast IT CRM. Your role is to help salespeople with tips, strategies, and guidance.
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Available job categories to target:
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${jobList}
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Current instructions:
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${instructions}
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Provide concise, actionable sales advice. When asked about a specific job category, give targeted tips on finding and engaging prospects in that field. Keep responses under 300 words unless asked for detail.`
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const ollamaRes = await fetch(`${OLLAMA_URL}/api/chat`, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({
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model: MODEL,
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messages: [
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{ role: "system", content: systemPrompt },
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{ role: "user", content: userMessage },
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],
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stream: false,
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options: { temperature: 0.7, num_predict: 1024 },
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}),
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})
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if (!ollamaRes.ok) {
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const text = await ollamaRes.text()
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throw new Error(`Ollama error (${ollamaRes.status}): ${text}`)
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}
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const data = await ollamaRes.json()
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const responseText = data.message?.content || ""
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// Persist conversation to PostgreSQL (best-effort — table may not exist yet)
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try {
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if (pgPool && userId) {
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await pgPool.query(
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"INSERT INTO ai_conversations (id, user_id, role, message, response) VALUES ($1, $2, $3, $4, $5)",
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[crypto.randomUUID(), userId, userRole || "sales", userMessage, responseText]
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)
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}
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} catch {
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// table might not exist, ignore
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}
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return responseText
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}
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// ── PG pool (lazy init) ────────────────────────────────────────
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// PostgreSQL connection pool for storing conversation history.
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// Lazy-initialized so the server starts even without a DB.
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let pgPool = null
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async function initPg() {
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if (!DATABASE_URL) return
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try {
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const { default: pg } = await import("pg")
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pgPool = new pg.Pool({ connectionString: DATABASE_URL, max: 5 })
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await pgPool.query("SELECT 1")
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console.log("Connected to PostgreSQL")
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} catch (e) {
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console.warn("PostgreSQL unavailable (AI convos won't be saved):", e.message)
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}
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}
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// ── Request router ─────────────────────────────────────────────
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const loadedJobs = loadJobs()
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function sendJSON(res, status, data) {
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res.writeHead(status, { "Content-Type": "application/json" })
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res.end(JSON.stringify(data))
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}
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function parseBody(req) {
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return new Promise((resolve, reject) => {
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let body = ""
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req.on("data", (chunk) => (body += chunk))
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req.on("end", () => {
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try {
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resolve(JSON.parse(body))
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} catch {
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reject(new Error("Invalid JSON"))
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}
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})
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req.on("error", reject)
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})
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}
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function parseURL(req) {
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const url = new URL(req.url, `http://${req.headers.host || "localhost"}`)
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return { pathname: url.pathname, searchParams: url.searchParams }
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}
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// ── HTTP Server ─────────────────────────────────────────────────
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const server = http.createServer(async (req, res) => {
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// CORS headers — allow the Next.js frontend (port 3006) to call us
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res.setHeader("Access-Control-Allow-Origin", "*")
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res.setHeader("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
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res.setHeader("Access-Control-Allow-Headers", "Content-Type")
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if (req.method === "OPTIONS") {
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res.writeHead(204)
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res.end()
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return
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}
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const { pathname } = parseURL(req)
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try {
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// GET /splash — loading screen
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if (req.method === "GET" && pathname === "/splash") {
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const splashPath = path.join(ROOT, "splash.html")
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if (fs.existsSync(splashPath)) {
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const html = fs.readFileSync(splashPath, "utf-8")
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res.writeHead(200, { "Content-Type": "text/html" })
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res.end(html)
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return
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}
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sendJSON(res, 200, { status: "ok" })
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return
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}
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// GET /health
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if (req.method === "GET" && pathname === "/health") {
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return sendJSON(res, 200, { status: "ok", model: MODEL })
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}
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// GET /status — combined health of all services
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// Used by the splash page to check if AI, Scraper, and Frontend are ready.
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// Polls each service internally to avoid cross-origin CORS issues.
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if (req.method === "GET" && pathname === "/status") {
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const { default: http } = await import("http")
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const results = { ai: true }
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// Check scraper
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try {
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await new Promise((resolve, reject) => {
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const r = http.get(`${SCRAPER_URL}/health`, { timeout: 3000 }, (res) => { res.resume(); resolve() })
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r.on("error", reject)
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})
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results.scraper = true
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} catch { results.scraper = false }
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// Check frontend
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try {
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await new Promise((resolve, reject) => {
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const r = http.get(FRONTEND_URL, { timeout: 3000 }, (res) => { res.resume(); resolve() })
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r.on("error", reject)
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})
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results.frontend = true
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} catch { results.frontend = false }
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return sendJSON(res, 200, results)
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}
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// ── Setup endpoints ─────────────────────────────────────────
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// GET /setup/status — check environment
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// Called by the splash page on boot. Returns info about:
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// - Ollama availability
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// - Model presence
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// - Detected browsers with login status
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// - Whether this is a first run (wizard needed)
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if (req.method === "GET" && pathname === "/setup/status") {
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const envExists = fs.existsSync(path.join(ROOT, ".env.local"))
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// Ollama check
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let ollamaRunning = false
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try {
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await fetch(`${OLLAMA_URL}/api/tags`, { signal: AbortSignal.timeout(3000) })
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ollamaRunning = true
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} catch {}
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// Model check
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let modelAvailable = false
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if (ollamaRunning) {
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try {
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const r = await fetch(`${OLLAMA_URL}/api/show`, {
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method: "POST", body: JSON.stringify({ name: MODEL }),
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signal: AbortSignal.timeout(5000),
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})
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modelAvailable = r.ok
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} catch {}
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}
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// Detect all browsers via scraper
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let browsers = { firefox: { path: null }, opera: { path: null }, chrome: { path: null }, edge: { path: null } }
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let facebookLoggedIn = false
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let selectedBrowser = process.env.SELECTED_BROWSER || ""
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try {
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await fetch(`${SCRAPER_URL}/health`, { signal: AbortSignal.timeout(2000) })
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const profiles = await (await fetch(`${SCRAPER_URL}/setup/profile`, { signal: AbortSignal.timeout(5000) })).json()
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for (const [b, p] of Object.entries(profiles)) {
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if (p) browsers[b] = { path: p }
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}
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// Check login for the selected browser first, then try all
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const detectedList = Object.entries(browsers).filter(([, v]) => v.path)
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for (const [b, v] of detectedList) {
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try {
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const r = await fetch(`${SCRAPER_URL}/setup/check-login`, {
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method: "POST", headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ browser: b, profile_path: v.path }),
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signal: AbortSignal.timeout(20000),
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})
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if (r.ok) {
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const d = await r.json()
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browsers[b].logged_in = d.logged_in === true
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if (d.logged_in && !facebookLoggedIn) {
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facebookLoggedIn = true
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if (!selectedBrowser) selectedBrowser = b
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}
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}
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} catch {}
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}
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} catch {}
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const anyDetected = Object.values(browsers).some(v => v.path)
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// first_run = any setup step is incomplete
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const firstRun = !envExists || !ollamaRunning || !anyDetected || !facebookLoggedIn || !modelAvailable
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return sendJSON(res, 200, {
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first_run: firstRun,
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env_exists: envExists,
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ollama_running: ollamaRunning,
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model_available: modelAvailable,
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model_name: MODEL,
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selected_browser: selectedBrowser,
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browsers,
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facebook_logged_in: facebookLoggedIn,
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})
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}
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// POST /setup/profile — save selected browser + path to .env.local
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// Called by the setup wizard when the user confirms their browser choice.
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// Writes SELECTED_BROWSER and the matching profile env var to .env.local.
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if (req.method === "POST" && pathname === "/setup/profile") {
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const body = await parseBody(req)
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const browserName = (body.browser || "").trim().toLowerCase()
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const profilePath = (body.path || "").trim()
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if (!browserName || !["firefox", "opera", "chrome", "edge"].includes(browserName))
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return sendJSON(res, 400, { error: "Valid browser required (firefox/opera/chrome/edge)" })
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if (!profilePath)
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return sendJSON(res, 400, { error: "Path required" })
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const envKey = browserName === "firefox" ? "FX_PROFILE"
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: browserName === "opera" ? "OPERA_PROFILE"
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: browserName === "edge" ? "EDGE_PROFILE"
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: "CHROME_PROFILE"
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const envPath = path.join(ROOT, ".env.local")
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let content = ""
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try { content = fs.readFileSync(envPath, "utf-8") } catch {}
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let lines = content.split("\n")
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// Update or add SELECTED_BROWSER
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let foundSel = false
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for (let i = 0; i < lines.length; i++) {
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if (lines[i].trim().startsWith("SELECTED_BROWSER=")) {
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lines[i] = `SELECTED_BROWSER=${browserName}`
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foundSel = true
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break
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}
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}
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if (!foundSel) lines.push(`SELECTED_BROWSER=${browserName}`)
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// Update or add browser profile
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let foundProf = false
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for (let i = 0; i < lines.length; i++) {
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if (lines[i].trim().startsWith(`${envKey}=`)) {
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lines[i] = `${envKey}=${profilePath}`
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foundProf = true
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break
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}
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}
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if (!foundProf) lines.push(`${envKey}=${profilePath}`)
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fs.writeFileSync(envPath, lines.join("\n"), "utf-8")
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process.env.SELECTED_BROWSER = browserName
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process.env[envKey] = profilePath
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return sendJSON(res, 200, { success: true, browser: browserName, path: profilePath })
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}
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// POST /setup/check-login — proxy to scraper, accepts browser + profile_path
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// The splash page calls this (via the AI server) to verify Facebook login status.
|
|
if (req.method === "POST" && pathname === "/setup/check-login") {
|
|
const body = await parseBody(req)
|
|
const browserName = (body.browser || "").trim().toLowerCase() || process.env.SELECTED_BROWSER || ""
|
|
const profilePath = (body.profile_path || "").trim()
|
|
|
|
if (!profilePath) return sendJSON(res, 200, { logged_in: false, reason: "no_profile" })
|
|
try {
|
|
const r = await fetch("http://127.0.0.1:3008/setup/check-login", {
|
|
method: "POST", headers: { "Content-Type": "application/json" },
|
|
body: JSON.stringify({ browser: browserName, profile_path: profilePath }),
|
|
signal: AbortSignal.timeout(20000),
|
|
})
|
|
if (r.ok) { const d = await r.json(); return sendJSON(res, 200, d) }
|
|
} catch {}
|
|
return sendJSON(res, 200, { logged_in: false, reason: "scraper_unavailable" })
|
|
}
|
|
|
|
// POST /setup/ollama/pull — start pulling the model
|
|
// Spawns "ollama pull" as a child process. The setup wizard polls
|
|
// the progress endpoint to show a download progress bar.
|
|
if (req.method === "POST" && pathname === "/setup/ollama/pull") {
|
|
if (pullProcess) return sendJSON(res, 200, { status: "already_running" })
|
|
pullProgress = { status: "downloading", progress: 0, message: "Starting..." }
|
|
const isWin = process.platform === "win32"
|
|
const cmd = isWin ? "ollama.exe" : "ollama"
|
|
pullProcess = spawn(cmd, ["pull", MODEL], { stdio: ["ignore", "pipe", "pipe"] })
|
|
|
|
pullProcess.stdout.on("data", (data) => {
|
|
const text = data.toString()
|
|
pullProgress.message = text.trim()
|
|
// Extract percentage from patterns like "pulling xxxx... 45%"
|
|
const m = text.match(/(\d+)%/)
|
|
if (m) pullProgress.progress = parseInt(m[1], 10)
|
|
})
|
|
pullProcess.on("close", (code) => {
|
|
pullProcess = null
|
|
pullProgress.status = code === 0 ? "done" : "failed"
|
|
if (code === 0) pullProgress.progress = 100
|
|
})
|
|
return sendJSON(res, 200, { status: "started" })
|
|
}
|
|
|
|
// GET /setup/ollama/pull/progress
|
|
// Returns current download progress for the setup wizard.
|
|
if (req.method === "GET" && pathname === "/setup/ollama/pull/progress") {
|
|
return sendJSON(res, 200, pullProgress)
|
|
}
|
|
|
|
// GET /ai/jobs — return loaded job categories
|
|
if (req.method === "GET" && pathname === "/ai/jobs") {
|
|
return sendJSON(res, 200, { jobs: loadedJobs })
|
|
}
|
|
|
|
// GET /ai/instructions — return current ai.md content
|
|
if (req.method === "GET" && pathname === "/ai/instructions") {
|
|
const instructions = readInstructions()
|
|
return sendJSON(res, 200, { success: true, instructions })
|
|
}
|
|
|
|
// POST /ai/instructions — update ai.md or append improvement log entry
|
|
if (req.method === "POST" && pathname === "/ai/instructions") {
|
|
const body = await parseBody(req)
|
|
if (body.content) {
|
|
writeInstructions(body.content)
|
|
} else if (body.entry) {
|
|
appendToImprovementLog(body.entry)
|
|
}
|
|
return sendJSON(res, 200, {
|
|
success: true,
|
|
instructions: readInstructions(),
|
|
})
|
|
}
|
|
|
|
// POST /ai/chat — main AI chat endpoint
|
|
// Accepts { message, user_id?, user_role? } and returns AI response.
|
|
// user_role must be "sales", "admin", or "super_admin" if provided.
|
|
if (req.method === "POST" && pathname === "/ai/chat") {
|
|
const startTime = Date.now()
|
|
const chunks = []
|
|
req.on("data", c => chunks.push(c))
|
|
req.on("end", () => {
|
|
const rawBody = Buffer.concat(chunks).toString()
|
|
try {
|
|
const body = JSON.parse(rawBody)
|
|
processRequest(req, res, body, startTime)
|
|
} catch {
|
|
sendJSON(res, 400, { error: "Invalid JSON" })
|
|
}
|
|
})
|
|
return
|
|
}
|
|
|
|
// Separate handler for /ai/chat (defined here due to hoisting within the IIFE)
|
|
async function processRequest(req, res, body, startTime) {
|
|
const { message, user_id, user_role } = body
|
|
|
|
if (!message) {
|
|
return sendJSON(res, 400, { error: "message is required" })
|
|
}
|
|
|
|
const validRoles = ["sales", "admin", "super_admin"]
|
|
if (user_role && !validRoles.includes(user_role)) {
|
|
return sendJSON(res, 403, { error: "Forbidden" })
|
|
}
|
|
|
|
const response = await handleChat(message, user_id || "", user_role || "sales")
|
|
return sendJSON(res, 200, { response })
|
|
}
|
|
|
|
// 404 fallback
|
|
sendJSON(res, 404, { error: "Not found" })
|
|
} catch (err) {
|
|
console.error("Request error:", err)
|
|
sendJSON(res, 500, { error: err.message })
|
|
}
|
|
})
|
|
|
|
// ── Start ───────────────────────────────────────────────────────
|
|
server.listen(PORT, HOST, () => {
|
|
console.log(`CRM AI server listening on http://${HOST}:${PORT}`)
|
|
console.log(` Model: ${MODEL}`)
|
|
console.log(` Ollama: ${OLLAMA_URL}`)
|
|
})
|
|
|
|
initPg()
|