#!/usr/bin/perl 

use strict;              # of course
use warnings;            # for sanity
use WWW::Mechanize;      # form automation
use HTML::TableExtract;  # fetch table column data

# Sneaky hack to allow 302's to be followed
{ no warnings;
  *WWW::Mechanize::redirect_ok; }

my $pp          = WWW::Mechanize->new();

# Broken into bits for reuse
my $site        = "https://www.paypal.com/cgi-bin";
my $login       = "$site/webscr?__track=_login-run:p";
my $submit      = "$site/$login/gen/login:_login-submit";

# Fetch the main page
$pp->get($submit);

# Enter your PayPal email address to log in here
$pp->field('login_email', 'foo@bar.org');

# PayPal password that matches the above email
$pp->field('login_password', '0bscur3d');

# Submit the above data to the form
$pp->click("submit.x");

# Fetch the history page
my $page_one = $pp->get("$site/webscr?cmd=_history");

# Select "Payments Sent to $project". This key below
# isn't real but in your normal PayPal HTML source, a key
# very similar to it will be real, so use that one instead.
#
# Look for a field that resembles something like the one
# below, if you have multiple email addresses registered
# with PayPal, that is, if not, use the regular item field.
$pp->field('item', '6:ige6R1ps_M9LEaOxaG7_p1tq_h8-9Li00');

# Checkmark (radio button) for "Within"
$pp->field('span', 'broad');

# Last "x" in dropdown. 1=Day, 2=Week, 3=Month, 4=Year
$pp->field('for', '4');

# Send it
my $results = $pp->click("submit.x");

# Fetch the columns out of the tables
get_donations($results);

###########################################
#
# Process the donations, print the results
#
###########################################
sub get_donations {
        my $results = shift;

        my $te = new HTML::TableExtract(headers=> [
                                'Date',
                                'To/From', 
                                'Name/Email', 
                                'Gross\(\$\)', 
                                'Fee\(\$\)', 
                                'Net Amount\(\$\)']);

        $te->parse($results->{_content});

        foreach my $ts ($te->table_states) {
                my ($gross_total, $net_total);

                # Limit to only payments Received, 
                # not payments made FROM PayPal
                for my $row (grep $_->[1] !~ /To/,
                       $ts->rows) {

                        # Remove leading and trailing
                        # spaces from array members. They
                        # show up as   in the HTML and
                        # HTML::TableExtract makes them
                        # spaces
                        tr/\240/ /, 
                                s/^\s+//, 
                                s/\s+$// foreach @$row;

                        # Map scalars to table header names
                        my ($date,         # Donation date
                            $to_from,      # Was it To/From
                            $name,         # Donator
                            $donation,     # Gross donation
                            $paypal_fee,   # PayPal's cut
                            $net_amount,   # Net after cut
                        ) = @$row[0 .. 6];

                        print "Date.......: $date\n";
                        print "Name.......: $name\n";
                        print "Donation...: $donation\n";
                        print "Net Amount.: 
                               $net_amount\n\n";

                        $gross_total += $donation;   
                        $net_total += $net_amount;   
                }
                $gross_total = sprintf("%.02f", $gross_total);
                print "Total donations...:
                       \$$gross_total\n";

                $net_total = sprintf("%.02f", $net_total);
                print "Net after Paypal..:
                       \$$net_total\n\n";
        }
}