From 0b02a6d123b2014705998c94ddf3d460948d3eac Mon Sep 17 00:00:00 2001
From: redmatrix <git@macgirvin.com>
Date: Tue, 10 May 2016 17:26:44 -0700
Subject: initial sabre upgrade (needs lots of work - to wit: authentication,
 redo the browser interface, and rework event export/import)

---
 vendor/sabre/vobject/bin/mergeduplicates.php | 184 +++++++++++++++++++++++++++
 1 file changed, 184 insertions(+)
 create mode 100755 vendor/sabre/vobject/bin/mergeduplicates.php

(limited to 'vendor/sabre/vobject/bin/mergeduplicates.php')

diff --git a/vendor/sabre/vobject/bin/mergeduplicates.php b/vendor/sabre/vobject/bin/mergeduplicates.php
new file mode 100755
index 000000000..1662e7bf3
--- /dev/null
+++ b/vendor/sabre/vobject/bin/mergeduplicates.php
@@ -0,0 +1,184 @@
+#!/usr/bin/env php
+<?php
+
+namespace Sabre\VObject;
+
+// This sucks.. we have to try to find the composer autoloader. But chances
+// are, we can't find it this way. So we'll do our bestest
+$paths = [
+    __DIR__ . '/../vendor/autoload.php',  // In case vobject is cloned directly
+    __DIR__ . '/../../../autoload.php',   // In case vobject is a composer dependency.
+];
+
+foreach ($paths as $path) {
+    if (file_exists($path)) {
+        include $path;
+        break;
+    }
+}
+
+if (!class_exists('Sabre\\VObject\\Version')) {
+    fwrite(STDERR, "Composer autoloader could not be loaded.\n");
+    die(1);
+}
+
+echo "sabre/vobject ", Version::VERSION, " duplicate contact merge tool\n";
+
+if ($argc < 3) {
+
+    echo "\n";
+    echo "Usage: ", $argv[0], " input.vcf output.vcf [debug.log]\n";
+    die(1);
+
+}
+
+$input = fopen($argv[1], 'r');
+$output = fopen($argv[2], 'w');
+$debug = isset($argv[3]) ? fopen($argv[3], 'w') : null;
+
+$splitter = new Splitter\VCard($input);
+
+// The following properties are ignored. If they appear in some vcards
+// but not in others, we don't consider them for the sake of finding
+// differences.
+$ignoredProperties = [
+    "PRODID",
+    "VERSION",
+    "REV",
+    "UID",
+    "X-ABLABEL",
+];
+
+
+$collectedNames = [];
+
+$stats = [
+    "Total vcards"       => 0,
+    "No FN property"     => 0,
+    "Ignored duplicates" => 0,
+    "Merged values"      => 0,
+    "Error"              => 0,
+    "Unique cards"       => 0,
+    "Total written"      => 0,
+];
+
+function writeStats() {
+
+    global $stats;
+    foreach ($stats as $name => $value) {
+        echo str_pad($name, 23, " ", STR_PAD_RIGHT), str_pad($value, 6, " ", STR_PAD_LEFT), "\n";
+    }
+    // Moving cursor back a few lines.
+    echo "\033[" . count($stats) . "A";
+
+}
+
+function write($vcard) {
+
+    global $stats, $output;
+
+    $stats["Total written"]++;
+    fwrite($output, $vcard->serialize() . "\n");
+
+}
+
+while ($vcard = $splitter->getNext()) {
+
+    $stats["Total vcards"]++;
+    writeStats();
+
+    $fn = isset($vcard->FN) ? (string)$vcard->FN : null;
+
+    if (empty($fn)) {
+
+        // Immediately write this vcard, we don't compare it.
+        $stats["No FN property"]++;
+        $stats['Unique cards']++;
+        write($vcard);
+        $vcard->destroy();
+        continue;
+
+    }
+
+    if (!isset($collectedNames[$fn])) {
+
+        $collectedNames[$fn] = $vcard;
+        $stats['Unique cards']++;
+        continue;
+
+    } else {
+
+        // Starting comparison for all properties. We only check if properties
+        // in the current vcard exactly appear in the earlier vcard as well.
+        foreach ($vcard->children() as $newProp) {
+
+            if (in_array($newProp->name, $ignoredProperties)) {
+                // We don't care about properties such as UID and REV.
+                continue;
+            }
+            $ok = false;
+            foreach ($collectedNames[$fn]->select($newProp->name) as $compareProp) {
+
+                if ($compareProp->serialize() === $newProp->serialize()) {
+                    $ok = true;
+                    break;
+                }
+            }
+
+            if (!$ok) {
+
+                if ($newProp->name === 'EMAIL' || $newProp->name === 'TEL') {
+
+                    // We're going to make another attempt to find this
+                    // property, this time just by value. If we find it, we
+                    // consider it a success.
+                    foreach ($collectedNames[$fn]->select($newProp->name) as $compareProp) {
+
+                        if ($compareProp->getValue() === $newProp->getValue()) {
+                            $ok = true;
+                            break;
+                        }
+                    }
+
+                    if (!$ok) {
+
+                        // Merging the new value in the old vcard.
+                        $collectedNames[$fn]->add(clone $newProp);
+                        $ok = true;
+                        $stats['Merged values']++;
+
+                    }
+
+                }
+
+            }
+
+            if (!$ok) {
+
+                // echo $newProp->serialize() . " does not appear in earlier vcard!\n";
+                $stats['Error']++;
+                if ($debug) fwrite($debug, "Missing '" . $newProp->name .  "' property in duplicate. Earlier vcard:\n" . $collectedNames[$fn]->serialize() . "\n\nLater:\n" . $vcard->serialize() . "\n\n");
+                
+                $vcard->destroy();
+                continue 2;
+            }
+
+        }
+
+    }
+
+    $vcard->destroy();
+    $stats['Ignored duplicates']++;
+
+}
+
+foreach ($collectedNames as $vcard) {
+
+    // Overwriting any old PRODID
+    $vcard->PRODID = '-//Sabre//Sabre VObject ' . Version::VERSION . '//EN';
+    write($vcard);
+    writeStats();
+
+}
+
+echo str_repeat("\n", count($stats)), "\nDone.\n";
-- 
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