#!/usr/bin/perl
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use strict;
use warnings;

# fix lib paths, some may be relative
BEGIN { # BEGIN RT CMD BOILERPLATE
    require File::Spec;
    require Cwd;
    my @libs = ("lib", "local/lib");
    my $bin_path;

    for my $lib (@libs) {
        unless ( File::Spec->file_name_is_absolute($lib) ) {
            $bin_path ||= ( File::Spec->splitpath(Cwd::abs_path(__FILE__)) )[1];
            $lib = File::Spec->catfile( $bin_path, File::Spec->updir, $lib );
        }
        unshift @INC, $lib;
    }

}

use RT::Interface::CLI qw(Init);
my %opts;
Init( \%opts,
    "dryrun", "time=i", "epoch=i", "all", "user=s", "recipient=s@", "dashboards=s"
);

# Disable JS chart as email clients don't support it
RT->Config->Set( EnableJSChart => 0 );

# Disable inline editing as email clients don't support it
RT->Config->Set( InlineEdit => 0 );

require RT::Dashboard::Mailer;
RT::Dashboard::Mailer->MailDashboards(
    All        => $opts{all},
    DryRun     => $opts{dryrun},
    Time       => ($opts{time} || $opts{epoch} || time), # epoch is the old-style
    User       => $opts{user},
    Dashboards => $opts{dashboards},
    Recipients => $opts{recipient},
    Opts       => \%opts,
);

=head1 NAME

rt-email-dashboards - Send email dashboards

=head1 SYNOPSIS

    rt-email-dashboards [options]

=head1 DESCRIPTION

This tool will send users email based on how they have subscribed to
dashboards. A dashboard is a set of saved searches, the subscription controls
how often that dashboard is sent and how it's displayed.

Each subscription has an hour, and possibly day of week or day of month. These
are taken to be in the user's timezone if available, UTC otherwise.

=head1 SETUP

You'll need to have cron run this script every hour. Here's an example crontab
entry to do this.

    0 * * * * /opt/rt5/sbin/rt-email-dashboards

This will run the script every hour on the hour. This may need some further
tweaking to be run as the correct user.

=head1 OPTIONS

This tool supports a few options. Most are for debugging.

=over 8

=item -h

=item --help

Display this documentation

=item --dryrun

Figure out which dashboards would be sent, but don't actually generate or email
any of them

=item --dashboards DASHBOARD_IDS

Only check specified dashboards(comma-separated IDs).

=item --time SECONDS

Instead of using the current time to figure out which dashboards should be
sent, use SECONDS (usually since midnight Jan 1st, 1970, so C<1192216018> would
be Oct 12 19:06:58 GMT 2007).

=item --epoch SECONDS

Backwards-compatible for --time SECONDS.

=item --all

Ignore subscription frequency when considering each dashboard (should only be
used with --dryrun for testing and debugging)

=item --user User NAME or ID

Only check the specified user's subscriptions

=item --recipient User NAME or EMAIL or ID

Only send emails to the specified user. Can be specified multiple times to
send multiple emails, e.g.

    --recipient alice@example.com --recipient bob@example.com

This is mostly useful for testing, especially dashboard issues seen only
by a specific user. For typical dashboard emails, set recipients via
the subscription settings in the web UI.

=item --log LEVEL

Adjust LogToSTDERR config option

=item --statement-log LEVEL

Log any SQL queries produced at the specified log level. This works
similar to the C<$StatementLog> option in the main RT config file.

=back

=cut

