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processQuery.php
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<?php
header('Content-Type: application/json');
function endProgram($input)
{
die($input);
}
function processInClause($inClause)
{
if (preg_match("#girls|womens|female|women|lady|ladies#", $inClause)) {
//girls event
foreach (explode(" ", $inClause) as $input) {
if (trim($input) == "50") {
return "Event 7 Girls 50 Yard Freestyle";
} else if (trim($input) == "100") {
foreach (explode(" ", $inClause) as $input2) {
if (preg_match("#fr|free|freestyle#", $input2)) {
return "Event 13 Girls 100 Yard Freestyle";
} else if (preg_match("#fly|butterfly|fy#", $input2)) {
return "Event 11 Girls 100 Yard Butterfly";
} else if (preg_match("#br|breast|breaststroke#", $input2)) {
return "Event 21 Girls 100 Yard Breaststroke";
} else if (preg_match("#bk|back|backstroke#", $input2)) {
return "Event 19 Girls 100 Yard Backstroke";
}
}
} else if (trim($input) == "200") {
foreach (explode(" ", $inClause) as $input2) {
if (preg_match("#fr|free|freestyle#", $input2)) {
return "Event 3 Girls 200 Yard Freestyle";
} else if (preg_match("#im|individual#", $input2)) {
return "Event 5 Girls 200 Yard IM";
}
}
} else if (trim($input) == "500") {
return "Event 17 Girls 500 Yard Freestyle";
}
}
} else {
//boys event
foreach (explode(" ", $inClause) as $input) {
if (trim($input) == "50") {
return "Event 8 Boys 50 Yard Freestyle";
} else if (trim($input) == "100") {
foreach (explode(" ", $inClause) as $input2) {
if (preg_match("#fr|free|freestyle#", $input2)) {
return "Event 14 Boys 100 Yard Freestyle";
} else if (preg_match("#fly|butterfly|fl#", $input2)) {
return "Event 12 Boys 100 Yard Butterfly";
} else if (preg_match("#br|breast|breaststroke#", $input2)) {
return "Event 22 Boys 100 Yard Breaststroke";
} else if (preg_match("#bk|back|backstroke#", $input2)) {
return "Event 20 Boys 100 Yard Backstroke";
}
}
} else if (trim($input) == "200") {
foreach (explode(" ", $inClause) as $input2) {
if (preg_match("#fr|free|freestyle#", $input2)) {
return "Event 4 Boys 200 Yard Freestyle";
} else if (preg_match("#im|individual#", $input2)) {
return "Event 6 Boys 200 Yard IM";
}
}
} else if (trim($input) == "500") {
return "Event 16 Boys 500 Yard Freestyle";
}
}
}
}
function processQuery($query)
{
$keyWords = array("compare", "results", "swimmer", "swimmers", "school", "schools", "predictions", "time", "and", "in", "help", "querybuilder");
$split = explode(" ", strtolower($query));
$indices = array();
$layout = array("screens" => 1, "type" => "");
$unparsedCommands = array();
$errors = array();
//parse indexes of key words.
$count = 0;
foreach ($split as $word) {
if (in_array($word, $keyWords)) {
array_push($indices, $count);
}
$count++;
}
if (count($indices) == 0) {
array_push($errors, "Syntax error. No commands found. Please start your query with a command.");
endProgram(json_encode(array("errors" => $errors, "errorCode" => 1)));
}
if ($split[$indices[0]] == "and") {
array_push($errors, "Syntax error. Commands can't start with keyword 'and'");
endProgram(json_encode(array("errors" => $errors, "errorCode" => 2)));
}
for ($i = 0; $i < count($indices); $i++) {
if ($split[$indices[$i]] == "in" && $i != count($indices) - 1) {
array_push($errors, "Syntax error. 'in' clauses must be the last command.");
endProgram(json_encode(array("errors" => $errors, "errorCode" => 3)));
}
}
if ($split[$indices[0]] == "compare") {
if (count($indices) > 2) {
//should be ands
if ($split[$indices[1]] == "swimmers") {
for ($i = 2; $i < count($indices); $i++) {
if ($split[$indices[$i]] != "and" && $split[$indices[$i]] != "in") {
array_push($errors, "Syntax error. Subsequent commands after 'swimmers' must be 'and' or 'in'.");
endProgram(json_encode(array("errors" => $errors, "errorCode" => 4)));
}
if ($split[$indices[$i]] == "and") {
$layout['screens']++;
}
}
$inClause = false;
if ($split[$indices[count($indices) - 1]] == "in") {
$inClause = "";
for ($i = $indices[count($indices) - 1] + 1; $i < count($split); $i++) {
$inClause .= " " . $split[$i];
}
$inClause = trim($inClause);
$inClause = processInClause($inClause);
}
foreach ($indices as $commandIndex) {
if ($split[$commandIndex] != "compare" && $split[$commandIndex] != "in") {
if ($commandIndex + 1 < count($split) && $commandIndex + 2 < count($split)) {
if (!in_array($commandIndex + 3, $indices) && $commandIndex + 3 < count($split)) {
//presumable middle name
$first = urlencode($split[$commandIndex + 1]);
$middle = urlencode($split[$commandIndex + 2]);
$last = urlencode($split[$commandIndex + 3]);
//echo("query db: output times in " . ($inClause ? $inClause : "all events") . " for $first $middle $last.<br>");
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/swimmer.php?f=$first&m=$middle&l=$last&e=$inClause");
} else {
array_push($unparsedCommands, "/api/swimmer.php?f=$first&m=$middle&l=$last");
}
} else {
$first = urlencode($split[$commandIndex + 1]);
$last = urlencode($split[$commandIndex + 2]);
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/swimmer.php?f=$first&l=$last&e=$inClause");
} else {
array_push($unparsedCommands, "/api/swimmer.php?f=$first&l=$last");
}
}
}
}
}
$layout['type'] = "swimmer";
} else if ($split[$indices[1]] == "results" || $split[$indices[1]] == "predictions") {
$command = htmlspecialchars($split[$indices[1]]);
for ($i = 2; $i < count($indices); $i++) {
if ($split[$indices[$i]] != "and" && $split[$indices[$i]] != "in") {
array_push($errors, "Syntax error. Subsequent commands after '$command' must be 'and'.");
endProgram(json_encode(array("errors" => $errors, "errorCode" => 5)));
}
if ($split[$indices[$i]] == "and")
$layout["screens"]++;
}
$inClause = false;
if ($split[$indices[count($indices) - 1]] == "in") {
$inClause = "";
for ($i = $indices[count($indices) - 1] + 1; $i < count($split); $i++) {
$inClause .= " " . $split[$i];
}
$inClause = trim($inClause);
$inClause = processInClause($inClause);
}
foreach ($indices as $commandIndex) {
if ($split[$commandIndex] != "compare" && $split[$commandIndex] != "in" && $commandIndex + 3 < count($split)) {
if ($split[$commandIndex + 1] == "class" && preg_match("#[1234]a#", $split[$commandIndex + 2]) && preg_match("#district|region|state|states#", $split[$commandIndex + 3])) {
if (preg_match("#district|region#", $split[$commandIndex + 3])) {
if ($commandIndex + 4 < count($split) && preg_match("#[0-9]+#", $split[$commandIndex + 4])) {
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/$command.php?meet=" . urlencode($split[$commandIndex + 1] . " " . $split[$commandIndex + 2] . " " . $split[$commandIndex + 3] . " " . $split[$commandIndex + 4]) . "&e=$inClause");
} else {
array_push($unparsedCommands, "/api/$command.php?meet=" . urlencode($split[$commandIndex + 1] . " " . $split[$commandIndex + 2] . " " . $split[$commandIndex + 3] . " " . $split[$commandIndex + 4]) . "");
}
}
} else if (preg_match("#state|states#", $split[$commandIndex + 3])) {
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/$command.php?meet=" . urlencode($split[$commandIndex + 1] . " " . $split[$commandIndex + 2] . " states") . "&e=$inClause");
} else {
array_push($unparsedCommands, "/api/$command.php?meet=" . urlencode($split[$commandIndex + 1] . " " . $split[$commandIndex + 2] . " states") . "");
}
} else {
array_push($errors, "Syntax error. Please specify meet type. Ex: 'compare $command class 1a district 10 and class 4a district 4'");
endProgram(json_encode(array("errors" => $errors)));
}
} else {
array_push($errors, "Syntax error. Please specify the class. Ex: 'compare $command class 1a district 10 and class 4a district 4'");
endProgram(json_encode(array("errors" => $errors)));
}
}
}
$layout['type'] = "results";
} else if ($split[$indices[1]] == "schools" || $split[$indices[1]] == "school") {
for ($i = 2; $i < count($indices); $i++) {
if ($split[$indices[$i]] != "and" && $split[$indices[$i]] != "in") {
array_push($errors, "Syntax error. Subsequent commands after 'school' must be 'and'.");
endProgram(json_encode(array("errors" => $errors)));
}
}
$inClause = false;
if ($split[$indices[count($indices) - 1]] == "in") {
$inClause = "";
for ($i = $indices[count($indices) - 1] + 1; $i < count($split); $i++) {
$inClause .= " " . $split[$i];
}
$inClause = trim($inClause);
$inClause = processInClause($inClause);
}
$i = 0;
foreach ($indices as $commandIndex) {
if ($split[$commandIndex] != "compare" && $split[$commandIndex] != "in") {
$schoolName = "";
for ($startIndex = $indices[$i] + 1; $startIndex < count($split); $startIndex++) {
$schoolName .= " " . $split[$startIndex];
}
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/school.php?s=" . urlencode($schoolName) . "&e=$inClause");
} else {
array_push($unparsedCommands, "/api/school.php?s=" . urlencode($schoolName) . "");
}
}
$i++;
}
$layout['type'] = "school";
} else {
array_push($errors, "Syntax error. 'compare' must be followed by 'swimmers', 'results', or 'predictions'");
endProgram(json_encode(array("errors" => $errors)));
}
} else {
array_push($errors, "Syntax error. 'compare' must be followed at least one 'and', comparing two or more entities.");
endProgram(json_encode(array("errors" => $errors)));
}
} else if ($split[$indices[0]] == "swimmer" || $split[$indices[0]] == "swimmers") {
if (in_array("and", $split)) {
array_push($errors, "Syntax error. Only 'compare' may be followed by 'and', comparing two or more entities.");
endProgram(json_encode(array("errors" => $errors)));
}
$inClause = false;
if ($split[$indices[count($indices) - 1]] == "in") {
$inClause = "";
for ($i = $indices[count($indices) - 1] + 1; $i < count($split); $i++) {
$inClause .= " " . $split[$i];
}
$inClause = trim($inClause);
$inClause = processInClause($inClause);
}
if ($indices[0] + 1 < count($split) && $indices[0] + 2 < count($split)) {
if (!in_array($indices[0] + 3, $indices) && $indices[0] + 3 < count($split)) {
//presumable middle name
$first = urlencode($split[$indices[0] + 1]);
$middle = urlencode($split[$indices[0] + 2]);
$last = urlencode($split[$indices[0] + 3]);
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/swimmer.php?f=$first&m=$middle&l=$last&e=$inClause");
} else {
array_push($unparsedCommands, "/api/swimmer.php?f=$first&m=$middle&l=$last");
}
} else {
$first = urlencode($split[$indices[0] + 1]);
$last = urlencode($split[$indices[0] + 2]);
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/swimmer.php?f=$first&l=$last&e=$inClause");
} else {
array_push($unparsedCommands, "/api/swimmer.php?f=$first&l=$last");
}
}
}
$layout['type'] = "swimmer";
} else if ($split[$indices[0]] == "predictions" || $split[$indices[0]] == "results") {
$layout['type'] = "results";
$command = htmlspecialchars($split[$indices[0]]);
if (in_array("and", $split)) {
array_push($errors, "Syntax error. Only 'compare' may be followed by 'and', comparing two or more entities.");
endProgram(json_encode(array("errors" => $errors)));
}
$inClause = false;
if ($split[$indices[count($indices) - 1]] == "in") {
$inClause = "";
for ($i = $indices[count($indices) - 1] + 1; $i < count($split); $i++) {
$inClause .= " " . $split[$i];
}
$inClause = trim($inClause);
$inClause = processInClause($inClause);
}
if ($split[$indices[0]] == "predictions" && count($indices) > 1 && $split[$indices[1]] == "time") {
$layout['type'] = "predictions";
if ($indices[1] + 3 < count($split) && $inClause) {
if (preg_match("#([0-9]{1,2}:)?([0-9][0-9])\\.([0-9][0-9])#", $split[$indices[1] + 1])) {
if ($indices[1]+3 < count($split)) {
if (preg_match("#class#", $split[$indices[1] + 2]) && preg_match("#[0-4]a#", $split[$indices[1] + 3])) {
$time = urlencode($split[$indices[1] + 1]);
$class = urlencode($split[$indices[1] + 3]);
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/predictions.php?type=time&time=$time&class=$class&e=$inClause");
} else {
array_push($errors, "Syntax error. When predicting a time, the time must be immediately followed by the class. Ex. 'predictions time 32.40 class 1a in boys 50 free'");
endProgram(json_encode(array("errors" => $errors)));
}
} else {
array_push($errors, "Syntax error. When predicting a time, the time must be immediately followed by the class. Ex. 'predictions time 32.40 class 1a in boys 50 free'");
endProgram(json_encode(array("errors" => $errors)));
}
} else {
array_push($errors, "Syntax error. When predicting a time, the time command must be immediately followed by the time. Ex. 'predictions time 32.40 class 1a in boys 50 free'");
endProgram(json_encode(array("errors" => $errors)));
}
} else {
array_push($errors, "Syntax error. When predicting a time, an in clause must be provided.");
endProgram(json_encode(array("errors" => $errors)));
}
} else if ($indices[0] + 3 < count($split) && $split[$indices[0] + 1] == "class" && preg_match("#[1234]a#", $split[$indices[0] + 2]) && preg_match("#district|region|state|states#", $split[$indices[0] + 3])) {
if (preg_match("#district|region#", $split[$indices[0] + 3])) {
if ($indices[0] + 4 < count($split) && preg_match("#[0-9]+#", $split[$indices[0] + 4])) {
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/$command.php?class=" . urlencode($split[$indices[0] + 2]) . "&type=" . urlencode($split[$indices[0] + 3]) . "&number=" . urlencode($split[$indices[0] + 4]) . "&e=$inClause");
} else {
array_push($unparsedCommands, "/api/$command.php?class=" . urlencode($split[$indices[0] + 2]) . "&type=" . urlencode($split[$indices[0] + 3]) . "&number=" . urlencode($split[$indices[0] + 4]) . "");
}
}
} else if (preg_match("#state|states#", $split[$indices[0] + 3])) {
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/$command.php?class=" . urlencode($split[$indices[0] + 2]) . "&type=States" . "&e=$inClause");
} else {
array_push($unparsedCommands, "/api/$command.php?class=" . urlencode($split[$indices[0] + 2]) . "&type=States" . "");
}
} else {
array_push($errors, "Syntax error. Please specify meet type. Ex: 'compare $command class 1a district 10'");
endProgram(json_encode(array("errors" => $errors)));
}
} else if ($split[$indices[0]] == "predictions" && ($indices[0] + 2 < count($split) || $indices[0] + 3 < count($split))) {
$layout['type'] = "swimmer_predictions";
$f = "";
$l = "";
if ($indices[0] + 3 < count($split)) {
$f = urlencode($split[$indices[0] + 1]);
$l = urlencode($split[$indices[0] + 3]);
} else {
$f = urlencode($split[$indices[0] + 1]);
$l = urlencode($split[$indices[0] + 2]);
}
if ($inClause) {
array_push($unparsedCommands, "/api/$command.php?f=" . $f . "&l=" . $l . "&in=" . $inClause . "");
} else {
array_push($unparsedCommands, "/api/$command.php?f=" . $f . "&l=" . $l);
}
} else {
array_push($errors, "Syntax error. Please specify the class. Ex: 'compare $command class 1a district 10'");
endProgram(json_encode(array("errors" => $errors)));
}
} else if ($split[$indices[0]] == "school") {
$layout['type'] = "school";
if (in_array("and", $split)) {
array_push($errors, "Syntax error. Only 'compare' may be followed by 'and', comparing two or more entities.");
endProgram(json_encode(array("errors" => $errors)));
}
$inClause = false;
if ($split[$indices[count($indices) - 1]] == "in") {
$inClause = "";
for ($i = $indices[count($indices) - 1] + 1; $i < count($split); $i++) {
$inClause .= " " . $split[$i];
}
$inClause = trim($inClause);
$inClause = processInClause($inClause);
}
$schoolName = "";
for ($startIndex = $indices[0]; $startIndex < (count($indices) > 1) ? $indices[2] : count($split); $startIndex++) {
$schoolName .= $split[$startIndex];
}
if ($inClause) {
$inClause = urlencode($inClause);
array_push($unparsedCommands, "/api/school.php?s=" . urlencode($schoolName) . "&e=$inClause");
} else {
array_push($unparsedCommands, "/api/school.php?s=" . urlencode($schoolName) . "");
}
} else if ($split[$indices[0]] == "help") {
$layout['type'] = "redirect";
array_push($unparsedCommands, "http://buckheit.com/help");
} else if ($split[$indices[0]] == "querybuilder") {
$layout['type'] = "querybuilder";
array_push($unparsedCommands, "");
} else {
array_push($errors, "Syntax error. No commands found. Please start your query with a command.");
endProgram(json_encode(array("errors" => $errors, "errorCode" => 1)));
}
$finalOutput = array("screens" => array(), "type" => $layout['type']);
for ($i = 0; $i < $layout['screens']; $i++) {
$finalOutput['screens'][$i] = $unparsedCommands[$i];
}
endProgram(json_encode($finalOutput));
}
//query
$query = $_POST['query'];
processQuery($query);