edit_stocks.php

来自「股票监视器是一个简单的实用工具」· PHP 代码 · 共 187 行

<?php
/*
* PHP STOCK TRACKER
* -----------------
* A multi-user utility for creating and managing stock
* watchlists and historical analysis.
* Copyright (C) 2005 Joshua Eldridge ([e-mail])
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*
* See the COPYING file for full details.
*/

// Prevent this page from being accessed directly as
// it should always be called from within index.php

if (!defined('IN_VALID')) {
  die("Error: This File Cannot Be Accessed Directly");
}

require_once('inc/navigation.inc.php');

/* If this page was POSTed, it must be
an add or edit. Deletes are GET 
*/

/*
The status variable will be used to report the results
of all actions back to the user; success or failure
*/
$status = '';
$error = false;

if($_SERVER['REQUEST_METHOD'] == 'POST') {
  // Normalize user input, so all symbols are UPPER
  $symbol = strtoupper(getCleanVar($_POST, 'stock_symbol'));
  $quote = new Quote($symbol);
  // This will add the stock to the users watch list
  if(!$quote->is_new()) {
    $quote->add_to_list($_SESSION['user_id']);
    $status .= '<font color="red"><b>Added ' . $symbol . ' to WatchList!</b></font><br>';
  } else {
  // The stock entered wasn't found in the lookup table, maybe we should add it?
    if($quote->is_valid() === true) {
      $quote->save_info();
      $status .= '<font color="red"><b>Successfully Added/Modified ' . $symbol . '!</b></font><br>';
    } else {
      $status .= '<font color="red"><b>' . $symbol . ' Doesn\'t Exist!</b></font> <a href="http://finance.yahoo.com/q?s=' . $symbol . '">Try Yahoo!</a><br>';
      $error = true;
    }
  }
  // Add history if the option was checked on the form
  if($_POST['add_history'] == 'on' && $error == false) {

	  // Check to see if this already has data in the table
	  if(check_history($symbol) > 0) {
		// Data Exists -- don't write history
		$status .= '<font color="red"><b>History Already Exists for ' . $symbol . '!</b></font><br>';
	  } else {
		$data = get_historical_data($symbol);
		if($data != '') {   
		  $quote = new Quote($symbol);
		  for($i=1; $i<count($data); $i++) {
			$quote->trade_date = date('Y-n-j', strtotime($data[$i][0]));
			$quote->opened = $data[$i][1];
			$quote->high = $data[$i][2];
			$quote->low = $data[$i][3];
			$quote->last_trade = $data[$i][4];
			$quote->volume = $data[$i][5];
			$quote->save_data();
		  }
		$status .= '<font color="red"><b>Successfully Added History for ' . $symbol . '!</b></font><br>';
		}
	}
  }
  // Clean up the quote object so it won't populate on the page once it's gone/updated/added
  unset($quote);
  /* 
  Reset session varibles as they may have changed (additions or deletions).
  */
  unset($_SESSION['user_stocks']);
  unset($_SESSION['user_highs']);
}
    

if(checkSecureGet() === true) {
  $symbol = getCleanVar($_GET, 'symbol');
  if($symbol != '') {
    $quote = new Quote($symbol);
    if(getCleanVar($_GET, 'do') == 'delete') {
      $quote->delete_stock($_SESSION['user_id']);
	    $status .= '<font color="red"><b>Deleted ' . $symbol . '!</b></font><br>';
    }
  // Clean up the quote object so it won't populate on the page once it's gone/updated/added
  unset($quote);
  /* 
  Reset session varibles as they may have changed (additions or deletions).
  */
  unset($_SESSION['user_stocks']);
  unset($_SESSION['user_highs']);
  }
}

echo $status;

?>

<form name="add_stock" action="<?= $_SERVER['PHP_SELF'] ?>?pg=edit_stocks" method="POST">
<table cellpadding="2" cellspacing="0" border="1"><tr><td>
<table cellpadding="5" cellspacing="0" bgcolor="<?= $row_secondary ?>">
	<tr>
		<td>Symbol:</td><td><input type="text" name="stock_symbol" value="" size="3"></td>
	</tr><tr>
		<td>Add History?</td><td><input type="checkbox" name="add_history"></td>
	</tr><tr>
		<td colspan="2"><input type="submit" value="Add Stock to WatchList"></td>
	</tr>
</table>
</td></tr></table>
</form>
<?

/* If this is the first time the page has been visited, there is 
a good chance that the session already has all the information we need
*/

if(!isset($_SESSION['user_stocks'])) {
  $_SESSION['user_stocks'] = get_stocks_list($_SESSION['user_id']);
}

/*
If this isn't a new user with no stocks in their watchlist, 
run routines to dump the existing user stocks into manageable chunks
*/

if(count($_SESSION['user_stocks']) == 0) {
	exit();
}

$html = '<table cellpadding="4" cellspacing="0"><tr>';

foreach($_SESSION['user_stocks'] as $stock) {
	// Break the stock symbols into manageable chunks by first letter
	static $counter = 8;
	static $first_letter_header = '';
	$stock_first_letter = substr($stock['stock_symbol'],0,1);

	// Set the number of columns for the output tables
	$number_of_columns = 8;

	if($first_letter_header != $stock_first_letter) {
			// This is a new category (first letter) so close the open table and
			// Print the new Letter, and open a new table
		$html .= '</tr></table><h3>' . $stock_first_letter . '</h3><table cellpadding="4" cellspacing="0"><tr>';
		$first_letter_header = $stock_first_letter;
		$counter = 8;
	}

	if($counter/$number_of_columns == 1) {
		// Start a new row
		($bgcolor == $row_primary) ? $bgcolor = $row_secondary : $bgcolor = $row_primary;
		$html .= '</tr><tr bgcolor="' . $bgcolor . '">';
		$counter = 1;
	} else {
		$counter++;
	}
	$html .= '<td><a href="?pg=edit_stocks&symbol=' . $stock['stock_symbol'] . '&do=delete"><span class="red">X</span></a></td>';
	$html .= '<td>' . $stock['stock_symbol'] .'</td>';
}
$html .= '</table>';

echo $html;

?>