Redirects from nginx based on user agent

gistfile1.txt

# APP redirects
    if ($http_user_agent ~* "iphone|ipod|ipad|appletv") {
      rewrite ^/adl/(.*)$ https://itunes.apple.com/us/app/apple-store/id375380948?mt=8&params=$1 redirect;
    }
    if ($http_user_agent ~* "android") {
      rewrite ^/adl/(.*)$ https://play.google.com/store/apps/details?id=com.app.witpay&params=$1 redirect;
    }

    if ($http_user_agent ~* "Windows") {
      rewrite ^/adl/(.*)$ https://example.com/$1 redirect;
    }

    if ($http_user_agent ~* "Linux") {
      rewrite ^/adl/(.*)$ https://example.com/$1 redirect;
    }

    if ($http_user_agent ~* "Mac") {
      rewrite ^/adl/(.*)$ https://example.com/$1 redirect;
    }
    # rewrite ^/adl/(.*)$ https://example.com/$1 redirect;

# PWA redirect
    if ($is_mobile) {
        return 301 https://m.example.com/$request_uri;
    }