Migrations

2026-03-08 16:58:05 +08:00
parent d87b5e73d7
commit ce82a88e04
19 changed files with 1526 additions and 0 deletions
@@ -0,0 +1,46 @@
+-- Chat messages for swap request bargaining
+CREATE TABLE IF NOT EXISTS chat_messages (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  thread_id uuid NOT NULL,
+  sender_id uuid NOT NULL REFERENCES auth.users(id),
+  body text NOT NULL,
+  created_at timestamptz NOT NULL DEFAULT now()
+);
+
+CREATE INDEX idx_chat_messages_thread ON chat_messages (thread_id, created_at);
+
+-- Auto-generate chat_thread_id on swap_requests if null
+ALTER TABLE swap_requests ALTER COLUMN chat_thread_id SET DEFAULT gen_random_uuid();
+
+-- Backfill existing swap_requests that have no chat_thread_id
+UPDATE swap_requests SET chat_thread_id = gen_random_uuid() WHERE chat_thread_id IS NULL;
+
+-- Enable realtime
+ALTER PUBLICATION supabase_realtime ADD TABLE chat_messages;
+
+-- RLS
+ALTER TABLE chat_messages ENABLE ROW LEVEL SECURITY;
+
+-- Users can read messages for swap requests where they are requester or recipient
+CREATE POLICY "chat_messages_select" ON chat_messages FOR SELECT TO authenticated
+USING (
+  EXISTS (
+    SELECT 1 FROM swap_requests sr
+    WHERE sr.chat_thread_id = chat_messages.thread_id
+      AND (sr.requester_id = auth.uid() OR sr.recipient_id = auth.uid())
+  )
+  OR EXISTS (
+    SELECT 1 FROM profiles p WHERE p.id = auth.uid() AND p.role IN ('admin', 'dispatcher')
+  )
+);
+
+-- Users can insert messages for swap requests where they are requester or recipient
+CREATE POLICY "chat_messages_insert" ON chat_messages FOR INSERT TO authenticated
+WITH CHECK (
+  sender_id = auth.uid()
+  AND EXISTS (
+    SELECT 1 FROM swap_requests sr
+    WHERE sr.chat_thread_id = chat_messages.thread_id
+      AND (sr.requester_id = auth.uid() OR sr.recipient_id = auth.uid())
+  )
+);