[email protected] (Łukasz Stelmach) writes:
> It was <2013-04-23 wto 17:02>, when Junio C Hamano wrote:
>> Łukasz Stelmach <[email protected]> writes:
>>
>>> Enable sending patches to NNTP servers (Usenet, Gmane).
>>> ---
>>>
>>> The patch implements support for sending messages to groups on NNTP
>>> serviers.
>>
>> Cute.
>>
>> A Perl guru might want to encapsulate the differences between $smtp
>> and $nntp codepaths into two Perl modules, but it looks like a good
>> starting point.
>
> You mean *one* perl module like Git::EmailTransport which hides the
> differences.
What I meant was one class to handle SMTP and another for NNTP.
You look at the --protocol option, choose one of these classes, and
initialize an instance of the chosen class.
You can ask the chosen class to instantiate an instance without
if/else cascade like this:
+
+# Transport specific setup
+my ($email_authuser, $email_authpass);
+if ($email_protocol eq 'nntp') {
+ $email_authuser = $nntp_authuser;
+ $email_authuser = $nntp_authuser;
+ @initial_to = @initial_cc = @bcclist = ();
+ $to_cmd = $cc_cmd = undef;
+ $no_cc = $no_bcc = 1;
+} else {
+ $email_authuser = $smtp_authuser;
+ $email_authpass = $smtp_authpass;
+ $newsgroups_cmd = undef;
+}
+
By asking that instance to ask questions to fill in whatever it
needs from the user, you can remove the need of if/elsif cascade
like this part in your patch:
+if ($email_protocol eq 'smtp' && !@initial_to && !defined $to_cmd) {
my $to = ask("Who should the emails be sent to (if any)? ",
default => "",
valid_re => qr/\@.*\./, confirm_only => 1);
push @initial_to, parse_address_line($to) if defined $to; #
sanitized/validated later
$prompting++;
+} elsif ($email_protocol eq 'nntp' &&
+ !@initial_newsgroups &&
+ !defined $newsgroups_cmd) {
+ my $newsgroup = ask("Which newsgroups should the message be sent to (if
any)? ",
+ default => "",
+ valid_re => qr/[\x20-\x7f]+/, confirm_only => 1);
+ push @initial_newsgroups, $newsgroup if defined $newsgroup; #
sanitized/validated later
+ $prompting++;
}
Naturally, a function like this will become a method of the
instance without if/else cascade:
+sub email_host_string {
+ if ($email_protocol eq 'nntp') {
+ if (defined $nntp_server_port) {
+ return "$nntp_server:$nntp_server_port";
+ } else {
+ return $nntp_server;
+ }
+
} else {
- return $smtp_server;
+ if (defined $smtp_server_port) {
+ return "$smtp_server:$smtp_server_port";
+ } else {
+ return $smtp_server;
+ }
}
}
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