function activity_to_shpzip($activity, $file_id)
{
$activity_points = array();
$activity_polygons = array();
foreach ($activity as $action) {
if ($action['type'] == 'note' && preg_match('/^point/i', $action['note']['geometry'])) {
$activity_points[] = $action;
} else {
$activity_polygons[] = $action;
}
}
$dirname = trim(shell_exec('mktemp -d /tmp/shapefile.XXXXXX'));
chmod($dirname, 0777);
$ogr2ogr = OGR2OGR_PATH;
if ($fh = fopen("{$dirname}/points.json", 'w')) {
fwrite($fh, activity_to_geojson($activity_points));
fclose($fh);
shell_exec("{$ogr2ogr} -nlt POINT {$dirname}/points-{$file_id}.shp {$dirname}/points.json");
unlink("{$dirname}/points.json");
}
if ($fh = fopen("{$dirname}/polygons.json", 'w')) {
fwrite($fh, activity_to_geojson($activity_polygons));
fclose($fh);
shell_exec("{$ogr2ogr} -nlt MULTIPOLYGON {$dirname}/polygons-{$file_id}.shp {$dirname}/polygons.json");
unlink("{$dirname}/polygons.json");
}
$zip = ZIP_PATH;
shell_exec("{$zip} -j {$dirname}/shapefiles.zip {$dirname}/*");
$zip_content = file_get_contents("{$dirname}/shapefiles.zip");
shell_exec("rm -rf {$dirname}");
return $zip_content;
}
<?php
require_once '../lib/lib.everything.php';
enforce_master_on_off_switch($_SERVER['HTTP_ACCEPT_LANGUAGE']);
$context = default_context(True);
/**** ... ****/
$print_id = $_GET['print'] ? $_GET['print'] : null;
$print = get_print($context->db, $print_id);
$activity = get_print_activity($context->db, $print_id, false);
if ($_GET['type'] == 'shp') {
header('Content-Type: application/zip');
header('Content-Disposition: filename="activity-' . $print['id'] . '.zip"');
echo activity_to_shpzip($activity, $print['id']);
} elseif ($context->type == 'text/csv') {
header("Content-Type: text/csv; charset=UTF-8");
header('Content-Disposition: filename="activity-' . $print['id'] . '.csv"');
echo activity_to_csv($activity) . "\n";
} elseif ($context->type == 'application/geo+json' || $context->type == 'application/json') {
header("Content-Type: application/geo+json; charset=UTF-8");
header('Content-Disposition: filename="activity-' . $print['id'] . '.geojson"');
echo activity_to_geojson($activity);
} else {
header('HTTP/1.1 400');
die("Unknown type.\n");
}
