first commit

class/class.Greeting.php

@@ -0,0 +1,130 @@
+<?php
+
+class Greeting
+{
+    use DatabaseCommunication;
+
+    public static $empty = 'zákazníku';
+
+    public static $stats = [
+        'exact' => 0,
+        'sex' => 0,
+        'fail' => 0,
+        'count' => 0,
+    ];
+
+    public static function getGreeting($name, $surname, $prioritize = 'name')
+    {
+        $names = [$name, $surname];
+        $types = ['greeting_name', 'greeting_surname'];
+
+        if ($prioritize == 'surname') {
+            $names = array_reverse($names);
+            $types = array_reverse($types);
+        }
+
+        $ret = self::get($names, $types);
+
+        $ret['greeting'] = self::finalizeName($ret['greeting'] ?? '');
+
+        return $ret;
+    }
+
+    public static function prepareName($name)
+    {
+        $name = mb_strtolower($name, 'utf-8'); // Prevest na maly pismenka
+        $name = preg_replace('/(ing\. |mgr\. |bc\. | csc\.)/i', '', $name); // Odstranit tituly 20x
+        $name = trim($name); // Orezat whitechars
+        $name = preg_split('/,| /i', $name)[0]; // Prvni slovo ze jmena a prijmeni v jednom chlivecku ('Adam Brezovsky') 100x
+
+        return $name;
+    }
+
+    public static function finalizeName($name)
+    {
+        $name = mb_convert_case($name, MB_CASE_TITLE, 'utf-8'); // Prvni pismenko velky
+
+        return $name;
+    }
+
+    public static function pickBySex($rows, $sex)
+    {
+        foreach ($rows as $row) {
+            if ($row['sex'] == $sex) {
+                return $row;
+            }
+        }
+
+        logError(__FILE__, __LINE__, 'Greeting::pickBySex error');
+    }
+
+    public static function getFromName($name, $surname = null)
+    {
+        $ret = self::get([$name, $surname], ['greeting_name', 'greeting_surname']);
+
+        if (!$ret) {
+            return self::$empty;
+        }
+
+        return self::finalizeName($ret['greeting']);
+    }
+
+    public static function getFromSurname($surname, $name = null)
+    {
+        $ret = self::get([$surname, $name], ['greeting_surname', 'greeting_name']);
+
+        if (!$ret) {
+            return self::$empty;
+        }
+
+        $gender = $ret['sex'] == 'male' ? 'pane' : 'paní';
+        $greeting = self::finalizeName($ret['greeting']);
+
+        return "{$gender} {$greeting}";
+    }
+
+    public static function get($names, $tables, $level = 0)
+    {
+        $compare = '';
+
+        if ($level == 0) { // Compare BINARY
+            $compare = 'AND BINARY original = :name';
+        }
+
+        $first = sqlQuery("SELECT greeting, sex FROM `kupshop_shared`.{$tables[0]} WHERE original = :name {$compare} ORDER BY count DESC", ['name' => self::prepareName($names[0])]);
+
+        switch (sqlNumRows($first)) {
+            case 0: // Name not found
+                switch (++$level) {
+                    case 1:
+                        return self::get($names, $tables, $level);
+
+                    case 2:
+                        return self::get(array_reverse($names), $tables, $level);
+                }
+
+                self::$stats['fail']++;
+
+                return null;
+
+            case 1: // Exactly one name found
+                self::$stats['exact']++;
+
+                return sqlFetchAssoc($first);
+        }
+
+        if (!empty($names[1])) {
+            $second = sqlQuery("SELECT greeting, sex FROM `kupshop_shared`.{$tables[1]} WHERE original = :name ORDER BY count DESC", ['name' => self::prepareName($names[1])]);
+
+            if (sqlNumRows($second) == 1) {
+                self::$stats['sex']++;
+
+                return self::pickBySex($first, sqlFetchAssoc($second)['sex']);
+            }
+        }
+
+        self::$stats['count']++;
+
+        return sqlFetchAssoc($first);
+    }
+}