+sub cfg_intvl ($$$) {
+ my ($cfg, $key, $url) = @_;
+ my $v = $cfg->urlmatch($key, $url) // return;
+ $v =~ /\A[0-9]+(?:\.[0-9]+)?\z/s and return $v + 0;
+ if (ref($v) eq 'ARRAY') {
+ $v = join(', ', @$v);
+ warn "W: $key has multiple values: $v\nW: $key ignored\n";
+ } else {
+ warn "W: $key=$v is not a numeric value in seconds\n";
+ }
+}
+
+sub cfg_bool ($$$) {
+ my ($cfg, $key, $url) = @_;
+ my $orig = $cfg->urlmatch($key, $url) // return;
+ my $bool = $cfg->git_bool($orig);
+ warn "W: $key=$orig for $url is not boolean\n" unless defined($bool);
+ $bool;
+}
+
+# flesh out common IMAP-specific data structures
+sub imap_common_init ($) {
+ my ($self) = @_;
+ eval { require PublicInbox::IMAPClient } or
+ die "Mail::IMAPClient is required for IMAP:\n$@\n";
+ eval { require PublicInbox::IMAPTracker } or
+ die "DBD::SQLite is required for IMAP\n:$@\n";
+ require PublicInbox::URIimap;
+ my $cfg = $self->{pi_cfg};
+ my $mic_args = {}; # scheme://authority => Mail:IMAPClient arg
+ for my $url (sort keys %{$self->{imap}}) {
+ my $uri = PublicInbox::URIimap->new($url);
+ my $sec = uri_section($uri);
+ for my $k (qw(Starttls Debug Compress)) {
+ my $bool = cfg_bool($cfg, "imap.$k", $url) // next;
+ $mic_args->{$sec}->{$k} = $bool;
+ }
+ my $to = cfg_intvl($cfg, 'imap.timeout', $url);
+ $mic_args->{$sec}->{Timeout} = $to if $to;
+ for my $k (qw(pollInterval idleInterval)) {
+ $to = cfg_intvl($cfg, "imap.$k", $url) // next;
+ $self->{imap_opt}->{$sec}->{$k} = $to;
+ }
+ my $k = 'imap.fetchBatchSize';
+ my $bs = $cfg->urlmatch($k, $url) // next;
+ if ($bs =~ /\A([0-9]+)\z/) {
+ $self->{imap_opt}->{$sec}->{batch_size} = $bs;
+ } else {
+ warn "$k=$bs is not an integer\n";
+ }
+ }
+ # make sure we can connect and cache the credentials in memory
+ $self->{mic_arg} = {}; # schema://authority => IMAPClient->new args
+ my $mics = {}; # schema://authority => IMAPClient obj
+ for my $url (sort keys %{$self->{imap}}) {
+ my $uri = PublicInbox::URIimap->new($url);
+ $mics->{uri_section($uri)} //= mic_for($self, $url, $mic_args);
+ }
+ $mics;
+}
+