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+<?php
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+
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+class PHP_CRUD_UI {
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+
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+ protected $settings;
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+
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+ function apiCall($method, $url, $data = false) {
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+ $ch = curl_init();
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+ curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
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+ curl_setopt($ch, CURLOPT_URL, $url);
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+ if ($data) {
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+ curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
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+ $headers = array();
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+ $headers[] = 'Content-Type: application/json';
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+ $headers[] = 'Content-Length: ' . strlen($data);
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+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
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+ }
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+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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+ $response = curl_exec($ch);
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+ curl_close($ch);
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+ return json_decode($response,true);
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+ }
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+
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+ function url($base,$subject,$action,$id='',$field='') {
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+ return $base.trim("$subject/$action/$id/$field",'/');
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+ }
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+
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+ function menu($parameters) {
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+ extract($parameters);
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+
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+ $html= '<ul class="nav nav-pills">';
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+ foreach ($definition['tags'] as $tag) {
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+ $active = $tag['name']==$subject?' class="active"':'';
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+ $html.= '<li'.$active.'><a href="'.$this->url($base,$tag['name'],'list').'">'.$tag['name'].'</a></li>';
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+ }
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+ $html.= '</ul>';
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+ return $html;
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+ }
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+
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+ function home($parameters) {
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+ extract($parameters);
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+
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+ $html = 'Nothing';
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+ return $html;
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+ }
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+
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+ function head() {
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+ $html = '<!DOCTYPE html><html lang="en">';
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+ $html.= '<head><title>PHP-CRUD-UI</title>';
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+ $html.= '<meta name="viewport" content="width=device-width, initial-scale=1">';
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+ $html.= '<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet">';
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+ $html.= '<link href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap-theme.min.css" rel="stylesheet">';
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+ $html.= '<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>';
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+ $html.= '</head><body>';
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+ return $html;
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+ }
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+
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+ function displayColumn($columns) {
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+ // TODO: make configurable
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+ $names = array('name','title','description','username');
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+ foreach ($names as $name) {
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+ if (isset($columns[$name])) return $columns[$name];
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+ }
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+ return false;
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+ }
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+
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+
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+ function referenceText($subject,$data,$field,$id,$definition) {
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+ $properties = $this->properties($subject,$definition);
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+ $references = $this->references($subject,$properties);
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+ $referenced = $this->referenced($subject,$properties);
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+ $primaryKey = $this->primaryKey($subject,$properties);
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+
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+ $indices = array_flip($data[$subject]['columns']);
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+ $displayColumn = $this->displayColumn($indices);
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+
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+ $records = $data[$subject]['records'];
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+ foreach ($records as $record) {
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+ if ($record[$indices[$field]]==$id) {
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+ if ($displayColumn===false) {
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+ $text = '';
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+ $first = true;
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+ foreach ($record as $i=>$value) {
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+ if (!$references[$i] && $i!=$primaryKey) {
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+ if (!$first) $text.= ' - ';
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+ $text.= $value;
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+ $first = false;
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+ }
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+ }
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+ return $text;
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+ } else {
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+ return $record[$displayColumn];
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+ }
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+ }
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+ }
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+ return false;
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+ }
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+
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+ function listRecords($parameters) {
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+ extract($parameters);
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+
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+ $properties = $this->properties($subject,$definition);
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+ $references = $this->references($subject,$properties);
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+ $referenced = $this->referenced($subject,$properties);
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+ $primaryKey = $this->primaryKey($subject,$properties);
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+
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+ $args = array();
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+ if ($field) {
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+ $args['filter']=$field.',eq,'.$id;
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+ }
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+ $include = implode(',',array_filter(array_map(function($v){ return $v[0]; },$references)));
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+ if ($include) {
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+ $args['include']=$include;
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+ }
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+ $data = $this->apiCall('GET',$url.'/'.$subject.'?'.http_build_query($args));
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+
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+ $html = '';
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+ if ($field) {
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+ $html .= '<p>filtered where "'.$field.'" = "'.$id.'".';
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+ $href = $this->url($base,$subject,'list');
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+ $html .= ' <a href="'.$href.'">remove</a></p>';
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+ }
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+ $html.= '<table class="table">';
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+ $html.= '<tr>';
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+ foreach ($data[$subject]['columns'] as $i=>$column) {
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+ $html.= '<th>'.$column.'</th>';
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+ }
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+ $html.= '<th>has many</th>';
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+ $html.= '<th>actions</th>';
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+ $html.= '</tr>';
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+ foreach ($data[$subject]['records'] as $record) {
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+ $html.= '<tr>';
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+ foreach ($record as $i=>$value) {
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+ if ($references[$i]) {
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+ $html.= '<td>';
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+ $href = $this->url($base,$references[$i][0],'list',$value,$references[$i][1]);
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+ $html.= '<a href="'.$href.'">';
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+ $html.= $this->referenceText($references[$i][0],$data,$references[$i][1],$value,$definition);
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+ $html.= '</a>';
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+ $html.= '</td>';
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+ } else {
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+ $html.= '<td>'.$value.'</td>';
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+ }
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+ }
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+ $html.= '<td>';
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+ foreach ($referenced as $i=>$relations) {
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+ $id = $record[$i];
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+ if ($relations) foreach ($relations as $j=>$relation) {
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+ if ($j) $html.= ', ';
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+ $href = $this->url($base,$relation[0],'list',$id,$relation[1]);
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+ $html.= '<a href="'.$href.'">'.$relation[0].'</a>';
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+ }
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+ }
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+ $html.= '</td>';
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+ $html.= '<td>';
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+ $href = $this->url($base,$subject,'edit',$record[$primaryKey]);
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+ $html.= '<a href="'.$href.'">edit</a>';
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+ $html.= '</td>';
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+ $html.= '</tr>';
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+ }
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+ $html.= '</table>';
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+ return $html;
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+ }
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+
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+ function selectSubject($url,$subject,$name,$value,$definition) {
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+ $properties = $this->properties($subject,$definition);
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+ $references = $this->references($subject,$properties);
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+ $primaryKey = $this->primaryKey($subject,$properties);
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+
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+ $data = $this->apiCall('GET',$url.'/'.$subject);
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+
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+ $indices = array_flip($data[$subject]['columns']);
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+ $displayColumn = $this->displayColumn($indices);
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+
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+ $html = '<select class="form-control">';
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+ foreach ($data[$subject]['records'] as $record) {
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+ if ($displayColumn===false) {
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+ $text = '';
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+ $first = true;
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+ foreach ($record as $i=>$field) {
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+ if (!$references[$i] && $i!=$primaryKey) {
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+ if (!$first) $text.= ' - ';
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+ $text.= $field;
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+ $first = false;
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+ }
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+ }
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+ $html.= '<option value="'.$record[$primaryKey].'">'.$text.'</option>';
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+ } else {
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+ $html.= '<option value="'.$record[$primaryKey].'">'.$record[$displayColumn].'</option>';
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+ }
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+ }
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+ $html.= '</select>';
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+ return $html;
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+ }
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+
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+ function editRecord($parameters) {
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+ extract($parameters);
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+
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+ $properties = $this->properties($subject,$definition);
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+ $references = $this->references($subject,$properties);
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+ $referenced = $this->referenced($subject,$properties);
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+ $primaryKey = $this->primaryKey($subject,$properties);
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+
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+ $data = $this->apiCall('GET',$url.'/'.$subject.'/'.$id);
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+ $html = '<form>';
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+ $i=0;
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+ foreach ($data as $column=>$field) {
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+ $html.= '<div class="form-group">';
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+ $html.= '<label for="'.$column.'">'.$column.'</label>';
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+ if ($references[$i]) {
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+ $html.= $this->selectSubject($url,$references[$i][0],$column,$field,$definition);
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+ } else {
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+ $readonly = $i==$primaryKey?' readonly':'';
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+ $html.= '<input class="form-control" id="'.$column.'" value="'.$field.'"'.$readonly.'/>';
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+ }
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+ $html.= '</div>';
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+ $i++;
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+ }
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+ $html.= '</form>';
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+ return $html;
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+ }
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+
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+ function properties($subject,$definition) {
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+ if (!$subject || !$definition) return false;
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+ $path = '/'.$subject;
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+ if (!isset($definition['paths'][$path])) {
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+ $path = '/'.$subject.'/{id}';
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+ }
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+ $properties = false;
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+ if (isset($definition['paths'][$path]['get']['responses']['200']['schema']['properties'])) {
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+ $properties = $definition['paths'][$path]['get']['responses']['200']['schema']['properties'];
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+ } elseif (isset($definition['paths'][$path]['get']['responses']['200']['schema']['items']['properties'])) {
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+ $properties = $definition['paths'][$path]['get']['responses']['200']['schema']['items']['properties'];
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+ }
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+ return $properties;
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+ }
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+
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+ function references($subject,$properties) {
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+ if (!$subject || !$properties) return false;
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+ $references = array();
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+ foreach ($properties as $field=>$property) {
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+ $references[] = isset($property['x-references'])?$property['x-references']:false;
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+ }
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+ return $references;
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+ }
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+
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+ function referenced($subject,$properties) {
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+ if (!$subject || !$properties) return false;
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+ $referenced = array();
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+ foreach ($properties as $field=>$property) {
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+ $referenced[] = isset($property['x-referenced'])?$property['x-referenced']:false;
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+ }
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+ return $referenced;
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+ }
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+
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+ function primaryKey($subject,$properties) {
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+ if (!$subject || !$properties) return false;
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+ $i = 0;
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+ foreach ($properties as $field=>$property) {
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+ if (isset($property['x-primary-key'])) return $i;
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+ $i++;
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+ }
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+ return false;
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+ }
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+
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+ public function __construct($config) {
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+ extract($config);
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+
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+ // initialize
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+ $url = isset($url)?$url:null;
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+
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+ $base = isset($base)?$base:null;
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+ $definition = isset($definition)?$definition:null;
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+ $method = isset($method)?$method:null;
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+ $request = isset($request)?$request:null;
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+ $get = isset($get)?$get:null;
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+ $post = isset($post)?$post:null;
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+
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+ // defaults
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+ if (!$definition) {
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+ $definition = isset($_SESSION['definition'])?$_SESSION['definition']:null;
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+ if (!$definition) {
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+ $definition = $this->apiCall('GET',$url);
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+ $_SESSION['definition'] = $definition;
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+ }
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+ }
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+ if (!$method) {
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+ $method = $_SERVER['REQUEST_METHOD'];
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+ }
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+ if (!$request) {
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+ $request = isset($_SERVER['PATH_INFO'])?$_SERVER['PATH_INFO']:'';
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+ if (!$request) {
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+ $request = isset($_SERVER['ORIG_PATH_INFO'])?$_SERVER['ORIG_PATH_INFO']:'';
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+ }
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+ }
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+ if (!$get) {
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+ $get = $_GET;
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+ }
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+ if (!$post) {
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+ $post = 'php://input';
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+ }
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+
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+ $request = trim($request,'/');
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+
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+ if (!$base) {
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+ $count = $request?(-1*strlen($request)):strlen($_SERVER['REQUEST_URI']);
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+ $base = rtrim(substr($_SERVER['REQUEST_URI'],0,$count),'/').'/';
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+ }
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+
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+ $this->settings = compact('url', 'base', 'definition', 'method', 'request', 'get', 'post');
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+ }
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+
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+ protected function parseRequestParameter(&$request,$characters) {
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+ if (!$request) return false;
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+ $pos = strpos($request,'/');
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+ $value = $pos?substr($request,0,$pos):$request;
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+ $request = $pos?substr($request,$pos+1):'';
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+ if (!$characters) return $value;
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+ return preg_replace("/[^$characters]/",'',$value);
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+ }
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+
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+ protected function getParameters($settings) {
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+ extract($settings);
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+
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+ $subject = $this->parseRequestParameter($request, 'a-zA-Z0-9\-_');
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+ $action = $this->parseRequestParameter($request, 'a-zA-Z0-9\-_');
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+ $id = $this->parseRequestParameter($request, 'a-zA-Z0-9\-_');
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+ $field = $this->parseRequestParameter($request, 'a-zA-Z0-9\-_');
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+
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+ return compact('url','base','subject','action','id','field','definition');
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+ }
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+
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+ function executeCommand() {
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+ $parameters = $this->getParameters($this->settings);
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+
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+ $html = $this->head();
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+ $html.= '<div class="container-fluid">';
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+ $html.= '<div class="row">';
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+ $html.= $this->menu($parameters);
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+ $html.= '</div>';
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+ $html.= '<div class="row">';
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+
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+ switch($parameters['action']){
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+ case '': $html.= $this->home($parameters); break;
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+ case 'list': $html.= $this->listRecords($parameters); break;
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346
|
+ case 'edit': $html.= $this->editRecord($parameters); break;
|
|
347
|
+ }
|
|
348
|
+
|
|
349
|
+ $html.= '</div>';
|
|
350
|
+ $html.= '</div>';
|
|
351
|
+ return $html;
|
|
352
|
+ }
|
|
353
|
+}
|
|
354
|
+
|
|
355
|
+session_start();
|
|
356
|
+$ui = new PHP_CRUD_UI(array(
|
|
357
|
+ 'url' => 'http://localhost:8001/blog.php',
|
|
358
|
+));
|
|
359
|
+echo $ui->executeCommand();
|