updates Mar6

supabase_migration_channels.sql

@@ -0,0 +1,48 @@
+-- Contexta — Channels Migration
+-- Run this in your Supabase SQL Editor
+
+-- ── channel_connections table ─────────────────────────────────────────────────
+CREATE TABLE IF NOT EXISTS channel_connections (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    chatbot_id UUID NOT NULL REFERENCES chatbots(id) ON DELETE CASCADE,
+    channel VARCHAR(20) NOT NULL CHECK (channel IN ('telegram', 'whatsapp')),
+    bot_token TEXT,
+    bot_username TEXT,
+    wa_keyword VARCHAR(50),
+    is_active BOOLEAN DEFAULT TRUE,
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    UNIQUE(chatbot_id, channel)
+);
+CREATE INDEX IF NOT EXISTS idx_channel_connections_chatbot ON channel_connections(chatbot_id);
+CREATE INDEX IF NOT EXISTS idx_channel_connections_wa_keyword ON channel_connections(wa_keyword) WHERE channel = 'whatsapp';
+ALTER TABLE channel_connections ENABLE ROW LEVEL SECURITY;
+CREATE POLICY "channel_connections_owner" ON channel_connections FOR ALL USING (
+    chatbot_id IN (
+        SELECT c.id FROM chatbots c
+        JOIN companies co ON c.company_id = co.id
+        WHERE co.owner_id = auth.uid()
+    )
+);
+
+-- ── channel_sessions table ────────────────────────────────────────────────────
+CREATE TABLE IF NOT EXISTS channel_sessions (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    chatbot_id UUID NOT NULL REFERENCES chatbots(id) ON DELETE CASCADE,
+    channel VARCHAR(20) NOT NULL,
+    external_id TEXT NOT NULL,
+    session_id TEXT NOT NULL,
+    last_active TIMESTAMPTZ DEFAULT NOW(),
+    created_at TIMESTAMPTZ DEFAULT NOW(),
+    UNIQUE(channel, external_id)
+);
+CREATE INDEX IF NOT EXISTS idx_channel_sessions_lookup ON channel_sessions(channel, external_id);
+ALTER TABLE channel_sessions ENABLE ROW LEVEL SECURITY;
+-- Webhook handlers use the service_role key so they bypass RLS.
+-- This policy lets authenticated owners read their own sessions via the dashboard.
+CREATE POLICY "channel_sessions_owner" ON channel_sessions FOR SELECT USING (
+    chatbot_id IN (
+        SELECT c.id FROM chatbots c
+        JOIN companies co ON c.company_id = co.id
+        WHERE co.owner_id = auth.uid()
+    )
+);