public function getGraphData()
{
$company = Input::get('company');
$interval = Input::get('interval');
$precision = Input::get('prc');
$company_symbol = isset($company) && !empty($company) ? $company : 'goog';
$interval = isset($interval) && !empty($interval) ? $interval : 'd';
$precision = isset($precision) && !empty($precision) && is_numeric($precision) ? $precision : 1;
$stock_market = new StockMarket($company_symbol, $interval, $precision);
//<---class declared here and passed the datas
/* // <--utilizing the function for finding the Company name from Symbol
//<-- to check the given company symbol is correct or not */
$company_name = $stock_market->find_company_name_from_symbol();
if ($company_name) {
//<-- if company name given is not false go further
$stock_records = $stock_market->get_the_market_data();
//<--function to collect Historical data for given company symbol
if ($stock_records) {
//<----if it retuns a record then proceed
$range_from = $stock_market->get_graph_range_start();
//<--this function helps to calculate historical Graph area minmum range
$range_to = $stock_market->get_graph_range_ends();
//<--this function helps to calculate historical Graph area maximum range
$lower_range_coords = $stock_market->get_lower_price_data();
//<--this function helps to return the lower price data for graph
$higher_range_coords = $stock_market->get_higher_price_data();
//<--this function helps to return the higher price data for graph
$graph = new PHPGraphLib(470, 270);
$graph->addData($lower_range_coords);
$graph->addData($higher_range_coords);
$graph->setRange($range_from, $range_to);
$graph->setTitle($company_name . ' Graph');
$graph->setBars(false);
$graph->setLine(true);
$graph->setDataPoints(true);
$graph->setDataPointColor('maroon');
$graph->setDataPointColor('red');
$graph->setDataValues(true);
$graph->setDataValueColor('blue');
$graph->setGoalLine(0.25);
$graph->setGoalLineColor('red');
$graph->createGraph();
//<--this draw the graph
$contents = View::make('graph')->with('graph', $graph);
// Create a response and modify a header value
$response = Response::make($contents, 200);
$response->header('Content-Type', 'image/png');
return $response;
}
//<-- stock data checks ends
}
//<--company name check ends
}
