feat: Setup trigger to insert team_member record

hasura.planx.uk/migrations/1696884217237_grant_new_user_template_team_access/down.sql

@@ -0,0 +1,2 @@
+DROP FUNCTION IF EXISTS grant_new_user_template_team_access;
+DROP TRIGGER grant_new_user_template_team_access on users;

hasura.planx.uk/migrations/1696884217237_grant_new_user_template_team_access/up.sql

@@ -0,0 +1,28 @@
+CREATE OR REPLACE FUNCTION grant_new_user_template_team_access() RETURNS trigger AS $$
+DECLARE
+    templates_team_id INT;
+BEGIN
+    SELECT id INTO templates_team_id FROM teams WHERE slug = 'templates';
+    IF templates_team_id IS NOT NULL THEN
+        INSERT INTO team_members (user_id, team_id, role) VALUES (NEW.id, templates_team_id, 'teamEditor');
+    END IF;
+
+    RETURN NULL;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER grant_new_user_template_team_access AFTER INSERT ON users
+    FOR EACH ROW EXECUTE PROCEDURE grant_new_user_template_team_access();
+
+COMMENT ON TRIGGER grant_new_user_template_team_access ON users
+IS 'Automatically grant all new users teamEditor access to the shared Templates team';
+
+-- Insert a record to team_members for all existing users
+INSERT INTO
+  team_members (user_id, team_id, role)
+SELECT
+  id,
+  29,
+  'teamEditor'
+FROM
+  users;