<?php
$dbconn = mysql_connect('198.71.227.93', 'tanyavdc', 'Lubeto111');
header('Content-Type: application/json');
perform_operation($_POST["operation"]);
function perform_operation($op)
{
if ($op == 'login') {
validate_user($_POST["useremail"], $_POST["userpassword"]);
} else {
if ($op == 'getyaks') {
get_yaks($_POST["longitude"], $_POST["latitude"]);
} else {
if ($op == 'post_yak') {
post_yak($_POST["postedyak"], $_POST["latitude"], $_POST["longitude"]);
} else {
if ($op == 'banned_user') {
banned_user($_POST["useremail"]);
} else {
if ($op == 'add_user') {
add_user($_POST["useremail"], $_POST["userpassword"]);
} else {
if ($op == 'send_email') {
send_email($_POST["email"]);
} else {
if ($op == 'getHot_yaks') {
getHot_yaks();
} else {
if ($op == 'getCold_yaks') {
getCold_yaks();
} else {
case "perform_op":
$operation = strtolower($_POST['operation']);
$buffer_dist = $_POST['buffer_dist'];
$layer2 = null;
$layer1 = new Submission_Layer($_POST['layer1']);
if ($_POST['layer2'] != "") {
$layer2 = new Submission_Layer($_POST['layer2']);
}
// make sure all backslashes inserted
// while transporting the json are
// replaced. otherwise, json_decode
// will not work.
$layer1_attrs = json_decode(str_replace("\\", "", $_POST['l1_attrs']), true);
$layer2_attrs = json_decode(str_replace("\\", "", $_POST['l2_attrs']), true);
// call method to perform the operation
$output = perform_operation($layer1, $layer2, $layer1_attrs, $layer2_attrs, $buffer_dist, $operation);
// extract the results as a shapefile
$zipfile = "";
if ($output != null) {
$zipfile = export_to_shapefile($output, $output);
}
// note that the output name is saved
// as a session variable so that when
// the user wishes to download the
// resultant file, the name of the file
// is checked. this prevents the user
// from supplying any file path and
// arbitrarily downloading a file
$_SESSION['output_file'] = $zipfile;
// drop the table that was created
drop_table($output);