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csvtoservice.php
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csvtoservice.php
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<?php error_reporting(0);?>
<?php
/*
CSV to Webservice by Christian Heilmann
Homepage: http://isithackday.com/csvtowebservice/index.php
Copyright (c)2010 Christian Heilmann
Code licensed under the BSD License:
http://wait-till-i.com/license.txt
Options:
filter : contains an array of fields to not show in the form or the
table. This allows you to get rid of some parts of the data.
rename: some fields have ugly names. renames them in the form
preset : is an array of fields to preset with a hard value. These fields
will be part of the query of the data but will not be added to the form or
displayed. This allows you to pre-filter the data.
prefill: an array of fields to pre-fill the form with in case you want
to give the end user a hint what they can search for.
uppercase: boolean value if the script should uppercase the first letter
of the field name or not.
choices: when you want a combo of values for a particular field.
notinform: do not show in form but are shown in result.
grep_specific:instead of like, do an exact match for that value.
Code Snippet changes for index.php:
<?php
include('csvtoservice.php');
$content = csvtoservice(
'http://winterolympicsmedals.com/medals.csv',
array(
'filter'=> array('city'),
'rename'=> array(
'noc'=>'country'
),
'preset'=> array(
'year'=> '1992'
),
'prefill'=> array(
'discipline'=> 'Alpine Skiing',
'medal'=> 'Gold'
),
'uppercase'=>true,
'choices'=> array(
'medal'=> array(
"Gold",
"Silver",
"Bronze",
),
),
'notinform'=> array(
'eventgender',
),
'grep_specific'=> array(
'sport',
),
)
);
*/
function csvtoservice($url,$options){
$csv = get($url);
$lines = preg_split('/\r?\n/msi',$csv);
$columns = split(',',
strtoLower(
preg_replace('/\s/','',$lines[0])
)
);
$colstring = join(',',$columns);
if($options['preset']){
$pres = $options['preset'];
foreach(array_keys($pres) as $p){
$presetstring .= ' and '.$p.' like "%'.$pres[$p].'%"';
}
$columns = array_diff($columns,array_keys($pres));
}
if($options['filter']){
$columns = array_diff($columns,$options['filter']);
}
if($options['prefill']){
foreach(array_keys($options['prefill']) as $p){
$_GET[$p] = $options['prefill'][$p];
}
}
if($options['rename']){
$renames = array_keys($options['rename']);
foreach($columns as $k=>$c){
foreach($renames as $r){
if(!in_array($c,$renames)){
$displaycolumns[$k] = $c;
} else {
if($c == $r){
$displaycolumns[$k] = $options['rename'][$r];
}
}
}
}
} else {
$displaycolumns = $columns;
}
if($options['choices']){
$choosyfields = array_keys($options['choices']);
}
foreach($columns as $c){
filter_input(INPUT_GET, $c, FILTER_SANITIZE_SPECIAL_CHARS);
$fromget[$c] = $_GET[$c];
}
$current = preg_replace('/.*\/+/','',$_SERVER['PHP_SELF']);
$csvform = '<form action="'.$current.'">';
foreach($columns as $k=>$c){
if (in_array($c, $options['notinform'])) {
/*
* dont show this field in search form,
* only show it in results.
*/
continue;
}
if (in_array($c, $choosyfields)) {
$csvform .= '<div><label for="'.$c.'">'.
($options['uppercase'] ?
ucfirst($displaycolumns[$k]) :
$displaycolumns[$k]).
'</label>';
$csvform .= '<select name="'.$c.'" id="'.$c.'">';
foreach($options['choices'][$c] as $o =>$v) {
$csvform .= '<option value="'.$v.'">'.$v.'</option>';
}
$csvform .= '</select>';
$csvform .= '</div>';
} else {
$csvform .= '<div><label for="'.$c.'">'.
($options['uppercase'] ?
ucfirst($displaycolumns[$k]) :
$displaycolumns[$k]).
'</label>'.
'<input type="text" id="'.$c.'" name="'.$c.
'" value="'.$fromget[$c].'"></div>';
}
}
$csvform .= '<div id="bar"><input type="submit" name="csvsend"'.
' value="search"></div>';
$csvform .= '</form>';
if(isset($_GET['csvsend'])){
$yql = 'select * from csv where url="'.$url.'" '.
'and columns="'.$colstring.'"';
foreach($columns as $c){
if(isset($_GET[$c]) && $_GET[$c]!='' && $_GET[$c]!="ANY"){
if (in_array($c, $options['grep_specific'])) {
$yql .= ' and '.$c.' = '.$_GET[$c];
} else {
$yql .= ' and '.$c.' like "%'.$_GET[$c].'%"';
}
}
}
$yql .= $presetstring;
$yqlquery = '<div id="yql">'.$yql.'</div>';
$yqlendpoint = 'http://query.yahooapis.com/v1/public/yql?format=json';
$query = $yqlendpoint.'&q='.urlencode($yql);
$data = get($query);
$datadecoded = json_decode($data);
$csvtable = '<table><thead><tr>';
foreach($columns as $k=>$c){
$csvtable .= '<th scope="col">'.
($options['uppercase'] ?
ucfirst($displaycolumns[$k]) :
$displaycolumns[$k]).
'</th>';
}
$csvtable .= '</tr></thead><tbody>';
if(count($datadecoded->query->results->row) == 1){
#print "singular case\n";
$csvtable .= '<tr>';
$select_fields = array_keys(get_object_vars($datadecoded->query->results->row));
foreach ($select_fields as $s){
if (in_array($s, $columns)) {
$csvtable .= '<td>'.$datadecoded->query->results->row->$s.'</td>';
}
}
$csvtable .= '</tr>';
} else if(count($datadecoded->query->results->row) > 1){
foreach ($datadecoded->query->results->row as $r){
$csvtable .= '<tr>';
foreach($columns as $c){
$csvtable .= '<td>'.$r->$c.'</td>';
}
$csvtable .= '</tr>';
}
} else {
$csvtable .= '<tr><td class="error" colspan="'.sizeof($columns).
'">No results found. Bummer.</td></tr>';
}
$csvtable .= '</tbody></table>';
}
$csvtable .= count($datadecoded->query->results->row) . ' matches found<br>';
$num_matches = count($datadecoded->query->results->row);
return array(
'num_matches'=>$num_matches,
'table'=>$csvtable,
'form'=>$csvform,
'query'=>$yqlquery,
'json'=>$data
);
}
function get($url){
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$output = curl_exec($ch);
curl_close($ch);
return $output;
}