Code refactoring (add autoloader and change files organization)

1 files changed, 262 insertions, 0 deletions

diff --git a/app/helpers.php b/app/helpers.php
new file mode 100644
index 00000000..8351328a
--- /dev/null
+++ b/app/helpers.php
@@ -0,0 +1,262 @@
+<?php
+
+namespace Helper;
+
+function template($name, array $args = array())
+{
+    $tpl = new \Core\Template;
+    return $tpl->load($name, $args);
+}
+
+function is_current_user($user_id)
+{
+    return $_SESSION['user']['id'] == $user_id;
+}
+
+function is_admin()
+{
+    return $_SESSION['user']['is_admin'] == 1;
+}
+
+function get_username()
+{
+    return $_SESSION['user']['username'];
+}
+
+function parse($text)
+{
+    $text = markdown($text);
+    $text = preg_replace('!#(\d+)!i', '<a href="?controller=task&action=show&task_id=$1">$0</a>', $text);
+    return $text;
+}
+
+function markdown($text)
+{
+    require_once __DIR__.'/../vendor/Michelf/MarkdownExtra.inc.php';
+
+    $parser = new \Michelf\MarkdownExtra;
+    $parser->no_markup = true;
+    $parser->no_entities = true;
+
+    return $parser->transform($text);
+}
+
+function get_current_base_url()
+{
+    $url = isset($_SERVER['HTTPS']) ? 'https://' : 'http://';
+    $url .= $_SERVER['SERVER_NAME'];
+    $url .= $_SERVER['SERVER_PORT'] == 80 || $_SERVER['SERVER_PORT'] == 443 ? '' : ':'.$_SERVER['SERVER_PORT'];
+    $url .= dirname($_SERVER['PHP_SELF']) !== '/' ? dirname($_SERVER['PHP_SELF']).'/' : '/';
+
+    return $url;
+}
+
+function escape($value)
+{
+    return htmlspecialchars($value, ENT_QUOTES, 'UTF-8', false);
+}
+
+function flash($html)
+{
+    $data = '';
+
+    if (isset($_SESSION['flash_message'])) {
+        $data = sprintf($html, escape($_SESSION['flash_message']));
+        unset($_SESSION['flash_message']);
+    }
+
+    return $data;
+}
+
+function flash_error($html)
+{
+    $data = '';
+
+    if (isset($_SESSION['flash_error_message'])) {
+        $data = sprintf($html, escape($_SESSION['flash_error_message']));
+        unset($_SESSION['flash_error_message']);
+    }
+
+    return $data;
+}
+
+function format_bytes($size, $precision = 2)
+{
+    $base = log($size) / log(1024);
+    $suffixes = array('', 'k', 'M', 'G', 'T');
+
+    return round(pow(1024, $base - floor($base)), $precision).$suffixes[floor($base)];
+}
+
+function get_host_from_url($url)
+{
+    return escape(parse_url($url, PHP_URL_HOST)) ?: $url;
+}
+
+function summary($value, $min_length = 5, $max_length = 120, $end = '[...]')
+{
+    $length = strlen($value);
+
+    if ($length > $max_length) {
+        return substr($value, 0, strpos($value, ' ', $max_length)).' '.$end;
+    }
+    else if ($length < $min_length) {
+        return '';
+    }
+
+    return $value;
+}
+
+function contains($haystack, $needle)
+{
+    return strpos($haystack, $needle) !== false;
+}
+
+function in_list($id, array $listing, $default_value = '?')
+{
+    if (isset($listing[$id])) {
+        return escape($listing[$id]);
+    }
+
+    return $default_value;
+}
+
+function error_class(array $errors, $name)
+{
+    return ! isset($errors[$name]) ? '' : ' form-error';
+}
+
+function error_list(array $errors, $name)
+{
+    $html = '';
+
+    if (isset($errors[$name])) {
+
+        $html .= '<ul class="form-errors">';
+
+        foreach ($errors[$name] as $error) {
+            $html .= '<li>'.escape($error).'</li>';
+        }
+
+        $html .= '</ul>';
+    }
+
+    return $html;
+}
+
+function form_value($values, $name)
+{
+    if (isset($values->$name)) {
+        return 'value="'.escape($values->$name).'"';
+    }
+
+    return isset($values[$name]) ? 'value="'.escape($values[$name]).'"' : '';
+}
+
+function form_hidden($name, $values = array())
+{
+    return '<input type="hidden" name="'.$name.'" id="form-'.$name.'" '.form_value($values, $name).'/>';
+}
+
+function form_default_select($name, array $options, $values = array(), array $errors = array(), $class = '')
+{
+    $options = array('' => '?') + $options;
+    return form_select($name, $options, $values, $errors, $class);
+}
+
+function form_select($name, array $options, $values = array(), array $errors = array(), $class = '')
+{
+    $html = '<select name="'.$name.'" id="form-'.$name.'" class="'.$class.'">';
+
+    foreach ($options as $id => $value) {
+
+        $html .= '<option value="'.escape($id).'"';
+
+        if (isset($values->$name) && $id == $values->$name) $html .= ' selected="selected"';
+        if (isset($values[$name]) && $id == $values[$name]) $html .= ' selected="selected"';
+
+        $html .= '>'.escape($value).'</option>';
+    }
+
+    $html .= '</select>';
+    $html .= error_list($errors, $name);
+
+    return $html;
+}
+
+function form_radios($name, array $options, array $values = array())
+{
+    $html = '';
+
+    foreach ($options as $value => $label) {
+        $html .= form_radio($name, $label, $value, isset($values[$name]) && $values[$name] == $value);
+    }
+
+    return $html;
+}
+
+function form_radio($name, $label, $value, $selected = false, $class = '')
+{
+    return '<label><input type="radio" name="'.$name.'" class="'.$class.'" value="'.escape($value).'" '.($selected ? 'selected="selected"' : '').'>'.escape($label).'</label>';
+}
+
+function form_checkbox($name, $label, $value, $checked = false, $class = '')
+{
+    return '<label><input type="checkbox" name="'.$name.'" class="'.$class.'" value="'.escape($value).'" '.($checked ? 'checked="checked"' : '').'>&nbsp;'.escape($label).'</label>';
+}
+
+function form_label($label, $name, array $attributes = array())
+{
+    return '<label for="form-'.$name.'" '.implode(' ', $attributes).'>'.escape($label).'</label>';
+}
+
+function form_textarea($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
+{
+    $class .= error_class($errors, $name);
+
+    $html = '<textarea name="'.$name.'" id="form-'.$name.'" class="'.$class.'" ';
+    $html .= implode(' ', $attributes).'>';
+    $html .= isset($values->$name) ? escape($values->$name) : isset($values[$name]) ? $values[$name] : '';
+    $html .= '</textarea>';
+    if (in_array('required', $attributes)) $html .= '<span class="form-required">*</span>';
+    $html .= error_list($errors, $name);
+
+    return $html;
+}
+
+function form_input($type, $name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
+{
+    $class .= error_class($errors, $name);
+
+    $html = '<input type="'.$type.'" name="'.$name.'" id="form-'.$name.'" '.form_value($values, $name).' class="'.$class.'" ';
+    $html .= implode(' ', $attributes).'/>';
+    if (in_array('required', $attributes)) $html .= '<span class="form-required">*</span>';
+    $html .= error_list($errors, $name);
+
+    return $html;
+}
+
+function form_text($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
+{
+    return form_input('text', $name, $values, $errors, $attributes, $class);
+}
+
+function form_password($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
+{
+    return form_input('password', $name, $values, $errors, $attributes, $class);
+}
+
+function form_email($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
+{
+    return form_input('email', $name, $values, $errors, $attributes, $class);
+}
+
+function form_date($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
+{
+    return form_input('date', $name, $values, $errors, $attributes, $class);
+}
+
+function form_number($name, $values = array(), array $errors = array(), array $attributes = array(), $class = '')
+{
+    return form_input('number', $name, $values, $errors, $attributes, $class);
+}