From 4eec6f5915c280d818ade87c0e6ce286c5d61c37 Mon Sep 17 00:00:00 2001
From: Mark Wells <mark@freeside.biz>
Date: Tue, 2 Apr 2013 16:33:01 -0700
Subject: [PATCH] running balances on "newest first" payment history, #19698

---
 httemplate/view/cust_main/payment_history.html | 126 +++++++++++++------------
 1 file changed, 66 insertions(+), 60 deletions(-)

diff --git a/httemplate/view/cust_main/payment_history.html b/httemplate/view/cust_main/payment_history.html
index 66008ee29..235b513ab 100644
--- a/httemplate/view/cust_main/payment_history.html
+++ b/httemplate/view/cust_main/payment_history.html
@@ -228,36 +228,8 @@
 
 %#display payment history
 
-%my $money_char = $conf->config('money_char') || '$';
-%
-%sub balance_forward_row {
-%  my( $b, $date, $money_char ) = @_;
-%  ( my $balance_forward = $money_char. $b ) =~ s/^\$\-/-&nbsp;\$/;
-
-   <TR ID="balance_forward_row">
-     <TD CLASS="grid" BGCOLOR="#dddddd">
-       <% time2str($date_format, $date) %>
-     </TD>
-
-     <TD CLASS="grid" BGCOLOR="#dddddd">
-       <I><% mt("Starting balance on [_1]", time2str($date_format, $date) ) |h %></I>
-       (<A HREF="javascript:void(0);" onClick="show_history();"><% mt('show prior history') |h %></A>)
-     </TD>
-
-     <TD CLASS="grid" BGCOLOR="#dddddd"></TD>
-     <TD CLASS="grid" BGCOLOR="#dddddd"></TD>
-     <TD CLASS="grid" BGCOLOR="#dddddd"></TD>
-     <TD CLASS="grid" BGCOLOR="#dddddd"></TD>
-     <TD CLASS="grid" BGCOLOR="#dddddd" ALIGN="right"><I><% $balance_forward %></I></TD>
-
-   </TR>
-%}
-%
-%my $balance = 0;
 %my %target = ();
 %
-%my $years =  $conf->config('payment_history-years') || 2;
-%my $older_than = time - $years * 31556926; #60*60*24*365.2422
 %my $hidden = 0;
 %my $seen = 0;
 %my $old_history = 0;
@@ -267,18 +239,9 @@
 %
 %  $lastdate = $item->{'date'};
 %
-%  my $display;
-%  if ( $item->{'date'} < $older_than ) {
+%  my $display = '';
+%  if ( $item->{'hide'} ) {
 %    $display = ' STYLE="display:none" ';
-%    $hidden = 1;
-%  } else {
-%
-%    $display = '';
-%
-%    if ( $hidden && ! $seen++ ) {
-%      balance_forward_row($balance, $item->{'date'}, $money_char);
-%    }
-%
 %  }
 %
 %  if ( $bgcolor eq $bgcolor1 ) {
@@ -314,16 +277,8 @@
 %
 %  my $target = exists($item->{'target'}) ? $item->{'target'} : '';
 %
-%  $balance += $item->{'charge'}  if exists $item->{'charge'};
-%  $balance -= $item->{'payment'} if exists $item->{'payment'};
-%  $balance -= $item->{'credit'}  if exists $item->{'credit'};
-%  $balance += $item->{'refund'}  if exists $item->{'refund'};
-%  $balance = sprintf("%.2f", $balance);
-%  $balance =~ s/^\-0\.00$/0.00/; #yay ieee fp
-%  ( my $showbalance = $money_char. $balance ) =~ s/^\$\-/-&nbsp;\$/;
-%
-%
-
+%  my $showbalance = $money_char . $item->{'balance'};
+%  $showbalance =~ s/^\$\-/-&nbsp;\$/;
 
   <TR <% $display ? $display.' ID="old_history'.$old_history++.'"'  : ''%>>
     <TD VALIGN="top" CLASS="grid" BGCOLOR="<% $bgcolor %>">
@@ -359,11 +314,11 @@
       <% $showbalance %>
     </TD>
   </TR>
-% } 
 
-%if ( scalar(@history) && $hidden && ! $seen++ ) {
-%  balance_forward_row($balance, $lastdate, $money_char);
-%}
+% if ( $item->{'balance_forward'} ) {
+<& .balance_forward_row, $item->{'balance'}, $item->{'date'} &>
+% } 
+%} # foreach $item
 
 </TABLE>
     </TD>
@@ -386,14 +341,37 @@ function show_history () {
 }
 
 </SCRIPT>
+<%def .balance_forward_row>
+%  my( $b, $date ) = @_;
+%  ( my $balance_forward = $money_char. $b ) =~ s/^\$\-/-&nbsp;\$/;
 
-<%init>
+   <TR ID="balance_forward_row">
+     <TD CLASS="grid" BGCOLOR="#dddddd">
+       <% time2str($date_format, $date) %>
+     </TD>
 
-my( $cust_main ) = @_;
-my $custnum = $cust_main->custnum;
+     <TD CLASS="grid" BGCOLOR="#dddddd">
+       <I><% mt("Starting balance on [_1]", time2str($date_format, $date) ) |h %></I>
+       (<A HREF="javascript:void(0);" onClick="show_history();"><% mt('show prior history') |h %></A>)
+     </TD>
+
+     <TD CLASS="grid" BGCOLOR="#dddddd"></TD>
+     <TD CLASS="grid" BGCOLOR="#dddddd"></TD>
+     <TD CLASS="grid" BGCOLOR="#dddddd"></TD>
+     <TD CLASS="grid" BGCOLOR="#dddddd"></TD>
+     <TD CLASS="grid" BGCOLOR="#dddddd" ALIGN="right"><I><% $balance_forward %></I></TD>
 
+   </TR>
+</%def>
+<%shared>
 my $conf = new FS::Conf;
 my $date_format = $conf->config('date_format') || '%m/%d/%Y';
+my $money_char = $conf->config('money_char') || '$';
+</%shared>
+<%init>
+
+my( $cust_main ) = @_;
+my $custnum = $cust_main->custnum;
 
 my $curuser = $FS::CurrentUser::CurrentUser;
 
@@ -533,12 +511,40 @@ foreach my $cust_refund ($cust_main->cust_refund) {
 
 }
 
-# sort history
+# sort in forward order first, and calculate running balances
+my $years =  $conf->config('payment_history-years') || 2;
+my $older_than = time - $years * 31556926; #60*60*24*365.2422
+my $balance = 0;
+
+@history = sort { $a->{date} <=> $b->{date} } @history;
+my $i = 0;
+my $balance_forward;
+foreach my $item (@history) {
+  $balance += $item->{'charge'}  if exists $item->{'charge'};
+  $balance -= $item->{'payment'} if exists $item->{'payment'};
+  $balance -= $item->{'credit'}  if exists $item->{'credit'};
+  $balance += $item->{'refund'}  if exists $item->{'refund'};
+  $balance = sprintf("%.2f", $balance);
+  $balance =~ s/^\-0\.00$/0.00/;
+  $item->{'balance'} = $balance;
+
+  if ( $item->{'date'} < $older_than ) {
+    $item->{'hide'} = 1;
+  } elsif ( $history[$i-1]->{'hide'} ) {
+    # this is the end of the hidden section
+    $history[$i-1]->{'balance_forward'} = 1;
+  }
+  $i++;
+}
+if ( $history[-1]->{'hide'} ) {
+  # then everything is hidden
+  $history[-1]->{'balance_forward'} = 1;
+}
+
+# then sort in user-pref order
 if ( $curuser->option('history_order') eq 'newest' ) {
   @history = sort { $b->{date} <=> $a->{date} } @history;
-} else {
-  @history = sort { $a->{date} <=> $b->{date} } @history;
-} # no other sort orders for now
+} # else it's already oldest-first, and there are no other options yet
 
 sub translate_payby {
     my ($payby,$payinfo) = (shift,shift);
-- 
2.11.0