-- Add personal privacy switch for requiring approval when others add the user as a friend.
-- Default is on to preserve the current "friend request needs approval" behavior.
-- Run this for every tenant business database. The current test environment uses:
--   default -> tinode
--   system  -> meeting_im

SET @im_schema = 'tinode';
SET @im_sql = (
  SELECT IF(
    COUNT(*) = 0,
    CONCAT('ALTER TABLE ', @im_schema, '.im_user_privacy_settings ADD COLUMN friend_request_verification TINYINT NOT NULL DEFAULT 1 AFTER read_receipts'),
    'SELECT 1'
  )
  FROM information_schema.columns
  WHERE table_schema = @im_schema
    AND table_name = 'im_user_privacy_settings'
    AND column_name = 'friend_request_verification'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;

SET @im_schema = 'meeting_im';
SET @im_sql = (
  SELECT IF(
    COUNT(*) = 0,
    CONCAT('ALTER TABLE ', @im_schema, '.im_user_privacy_settings ADD COLUMN friend_request_verification TINYINT NOT NULL DEFAULT 1 AFTER read_receipts'),
    'SELECT 1'
  )
  FROM information_schema.columns
  WHERE table_schema = @im_schema
    AND table_name = 'im_user_privacy_settings'
    AND column_name = 'friend_request_verification'
);
PREPARE im_stmt FROM @im_sql;
EXECUTE im_stmt;
DEALLOCATE PREPARE im_stmt;