part of gervase markham's duplicates tracking functionality

duplicates.cgi

+#!/usr/bonsaitools/bin/perl -w
+# -*- Mode: perl; indent-tabs-mode: nil -*-
+#
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is the Bugzilla Bug Tracking System.
+#
+# The Initial Developer of the Original Code is Netscape Communications
+# Corporation. Portions created by Netscape are
+# Copyright (C) 1998 Netscape Communications Corporation. All
+# Rights Reserved.
+#
+# Contributor(s): Gervase Markham <gerv@gerv.net>
+#
+# Generates mostfreq list from data collected by collectstats.pl.
+
+use diagnostics;
+use strict;
+use CGI "param";
+use DB_File;
+require "globals.pl";
+require "CGI.pl";
+
+ConnectToDatabase();
+GetVersionTable();
+
+my %count;
+my $dobefore = 0;
+my $before = "";
+my %before;
+
+my $changedsince;
+my $maxrows = 500;       # arbitrary limit on max number of rows
+
+my $today = &days_ago(0);
+
+# Open today's record of dupes
+if (-e "data/mining/dupes$today.db")
+{
+	dbmopen(%count, "data/mining/dupes${today}.db", 0644) || die "Can't open today's dupes file: $!";
+}
+else
+{
+	# Try yesterday's, then (in case today's hasn't been created yet) :-)
+	$today = &days_ago(1);
+	if (-e "data/mining/dupes$today.db")
+	{
+		dbmopen(%count, "data/mining/dupes${today}.db", 0644) || die "Can't open yesterday's dupes file: $!";
+	}
+	else
+	{
+		die "There are no duplicate statistics for today or yesterday.";
+	}
+}
+
+# Check for changedsince param, and see if it's a positive integer
+if (defined(param("changedsince")) && param("changedsince") =~ /^\d{1,4}$/) 
+{
+	$changedsince = param("changedsince");
+}
+else
+{
+	# Otherwise, default to one week
+	$changedsince = "7";
+}
+
+$before = &days_ago($changedsince);		
+
+# check for max rows parameter
+if (defined(param("maxrows")) && param("maxrows") =~ /^\d{1,4}$/)
+{
+	$maxrows = param("maxrows");
+}
+
+if (-e "data/mining/dupes${before}.db") 
+{
+	dbmopen(%before, "data/mining/dupes${before}.db", 0644) && ($dobefore = 1);
+}
+
+print "Content-type: text/html\n";
+print "\n";
+PutHeader("Most Frequently Reported Bugs");
+
+print Param("mostfreqhtml");
+
+print "
+<table BORDER>
+
+<tr BGCOLOR=\"#CCCCCC\">
+<td><center><b>Bug #</b></center></td>
+<td><center><b>Dupe<br>Count</b></center></td>\n";
+
+if ($dobefore) 
+{
+	print "<td><center><b>Change in last<br>$changedsince day(s)</b></center></td> ";
+}
+
+print "
+<td><center><b>Component</b></center></td>
+<td><center><b>Severity</b></center></td>
+<td><center><b>Op Sys</b></center></td>
+<td><center><b>Target<br>Milestone</b></center></td>
+<td><center><b>Summary</b></center></td>
+</tr>\n\n";
+
+my %delta;
+
+# Calculate the deltas if we are doing a "before"
+if ($dobefore)
+{
+	foreach (keys(%count))
+	{
+		$delta{$_} = $count{$_} - $before{$_};
+	}
+}
+
+# Offer the option of sorting on total count, or on the delta
+my @sortedcount;
+
+if (defined(param("sortby")) && param("sortby") == "delta")
+{
+	@sortedcount = sort by_delta keys(%count);
+}
+else
+{
+	@sortedcount = sort by_dup_count keys(%count);
+}
+
+my $i = 0;
+
+foreach (@sortedcount)
+{
+	my $id = $_;
+	SendSQL("SELECT component, bug_severity, op_sys, target_milestone, short_desc FROM " . 
+												   "bugs WHERE bug_id = $id");
+	my ($component, $severity, $op_sys, $milestone, $summary) = FetchSQLData();
+	print "<tr>";
+	print '<td><center><A HREF="show_bug.cgi?id=' . $id . '">';
+	print $id . "</A></center></td>";
+	print "<td><center>$count{$id}</center></td>";
+	if ($dobefore) 
+	{
+		print "<td><center>$delta{$id}</center></td>";
+	}
+	print "<td>$component</td>\n    ";
+	print "<td><center>$severity</center></td>";
+	print "<td><center>$op_sys</center></td>";
+	print "<td><center>$milestone</center></td>";
+	print "<td>$summary</td>";
+	print "</tr>\n";
+	
+	$i++;
+	if ($i == $maxrows)
+	{
+		last;
+	}
+}
+
+print "</table><br><br>";
+PutFooter();
+
+
+sub by_dup_count 
+{
+	return -($count{$a} <=> $count{$b});
+}
+
+sub by_delta 
+{
+	return -($delta{$a} <=> $delta{$b});
+}
+
+sub days_ago 
+{
+    my ($dom, $mon, $year) = (localtime(time - ($_[0]*24*60*60)))[3, 4, 5];
+    return sprintf "%04d%02d%02d", 1900 + $year, ++$mon, $dom;
+}
+