From 02608271bb2a9f3a65ed536984d306ee14b48e34 Mon Sep 17 00:00:00 2001
From: Geo Halkiadakis <gchalkiadakis@sklavenitis.co.gr>
Date: Sun, 12 Jul 2026 15:51:52 +0300
Subject: initialize repository; add docker config; migrate configuration to
 new specs

---
 public/includes/functions.php | 135 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 public/includes/functions.php

(limited to 'public/includes/functions.php')

diff --git a/public/includes/functions.php b/public/includes/functions.php
new file mode 100644
index 0000000..5e83994
--- /dev/null
+++ b/public/includes/functions.php
@@ -0,0 +1,135 @@
+<?php
+
+## Help Constants and Functions ------------------------------------------------
+////////////////////////////////////////////////////////////////////////////////
+
+  // Cache fields options (json format) ////////////////////////////////////////
+  // ---------------------------------------------------------------------------
+  $formJSON = file_get_contents('config/kallassa.json');
+  define("FORMJSON", $formJSON);
+
+  // Cache CCODE attributes (json format) //////////////////////////////////////
+  // ---------------------------------------------------------------------------
+  $codeJSON = file_get_contents('config/ccode.json');
+  define("CODEJSON", $codeJSON);
+
+  // Parse anythig from a field ////////////////////////////////////////////////
+  // ARGS:
+  //    $fkey   = keyname (as in json fields oprions)
+  //    $inp    = input value (string)
+  // RETURN: array(
+  //    'label' = field label,
+  //    'multi' = (true|false) is multiple choice (select|radio|check) or not,
+  //    'value' = human readable value (or array of values if multi)
+  // ) -------------------------------------------------------------------------
+  function parse_any($fkey, $inp ="") {
+    $formARRAY = json_decode(FORMJSON);
+
+    foreach ($formARRAY as $key => $section) {
+      foreach ($section->childs as $kk => $field) {
+
+        // find the field
+        if ($field->nam == $fkey) {
+
+            $values = array();    // human readble values if select (comma separated)
+
+            if ($field->typ == 'select') {
+              $multi = true;
+
+              if ($inp !='') {
+                $codes = explode(",", $inp);    // split coded values
+                foreach ($field->opt as $kkk => $v) {
+                  if (in_array($v->id, $codes)) {   // check if option is in array
+                      $values[] = ($field->nam == 'ccode') ? ($v->id.": ".$v->tag) : $v->tag;
+                  }
+                }
+              }
+
+            }
+            else $multi = false;
+
+            // return everything in an array
+            return  array(
+                      'label' => $field->lab,
+                      'multi' => $multi,
+                      'value' => ($multi ? $values : $inp)
+                    );
+        }
+      }
+    }
+
+    // if not escaped already, then name return same
+    return    array('label' => $fkey, 'multi' => false, 'value' => $inp );
+  }
+
+  // Parse anythig from ccode
+  function parse_ccode($ckey) {
+    $ccARRAY = json_decode(CODEJSON);
+
+    foreach ($ccARRAY as $key => $val) {
+        // find the field
+        if ($val->id == $ckey) {
+            // return everything in an array
+            return  $val;
+        }
+    }
+  }
+
+
+  // Get totals of alla categories /////////////////////////////////////////////
+  // RETURN array of items (value) per category (array key)
+  // ---------------------------------------------------------------------------
+  function get_totals() {
+      $result = array();
+      $sum = 0;
+
+      $dbc = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_DBMS);
+      if ($dbc->connect_errno) {
+        echo "Database connection failed; Please try in a few minutes. ";
+        if (TESTING) echo $dbc->connect_error;
+        $dbc->close(); die();
+      }
+      $dbc->set_charset("utf8");
+
+      // prepare statemet
+      $stm = $dbc->prepare("SELECT ccode, count(id) total FROM `items` GROUP BY ccode");
+      $stm->execute();               // execute query
+      $stm->store_result();          // store result
+      $stm->bind_result($c, $tot);
+      while ($stm->fetch()) {
+        // using md5() you can have any unicode string as key ;)
+        // credit: https://stackoverflow.com/questions/10696067/characters-allowed-in-php-array-keys -> Rob's answer
+        // but newer versions of php (v7+) seem to handle unicide keys nicely
+    		$result[$c] = $tot;
+        $sum += $tot;
+    	}
+
+      $result['all'] = $sum;
+
+      return $result;
+  }
+
+
+  // Preview Local Datetime ////////////////////////////////////////////////////
+  // (in Greek format and names )
+  // ---------------------------------------------------------------------------
+  function local_dt($t) {
+    $day  = array("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat");
+    $dayL = array("Κυρ", "Δευ", "Τρι", "Τετ", "Πεμ", "Παρ", "Σαβ");
+    $mon  = array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
+    $monL = array("Ιαν", "Φεβ", "Μαρ", "Απρ", "Μαϊ", "Ιουν", "Ιουλ", "Αυγ", "Σεπ", "Οκτ", "Νοε", "Δεκ");
+    $tm   = array("am", "pm");
+    $tmL  = array("πμ", "μμ");
+    $r = date("D. j M. Y, h:i:sa", $t);
+    $r = str_replace($day, $dayL, $r);
+    $r = str_replace($mon, $monL, $r);
+    $r = str_replace($tm, $tmL, $r);
+    return $r;
+  }
+
+
+  // Part of string
+  // UTF-8 SAFE
+  function str_part($str, $len) {
+    return (mb_strlen($str) > $len) ? mb_substr($str, 0, $len-1) ."…" : $str;
+  }
-- 
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