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4 layer model - business logic for selecting bus futures
Principles of Model - View - Controller example from a Well House Consultants training course
More on Principles of Model - View - Controller [link]
Source code: 4lm_business.inc Module: Q915
<?php
/* 4 layer model - business logic for selecting bus futures */ function load_base_data() { $base = array(); $fh = fopen("choice.data",'r'); while ($line = fgetcsv($fh,0,"\t")) { $key = array_shift($line); $base[$key] = $line; } $_SESSION["choicedata"] = $base; $rows = array(); $fh = fopen("row.data",'r'); while ($line = fgets($fh)) { if (preg_match('/^(.):/',$line,$gotten)) { $current = $gotten[1]; $rows[$current] = ""; } else { $rows[$current] .= $line; } } $_SESSION["rows"] = $rows; $cols = array(); $fh = fopen("col.data",'r'); while ($line = fgets($fh)) { if (preg_match('/^(.):/',$line,$gotten)) { $current = $gotten[1]; $cols[$current] = ""; } else { $cols[$current] .= $line; } } $_SESSION["cols"] = $cols; } function checkphase2() { global $alert, $error; foreach (array_keys($_SESSION["cols"]) as $rowname) { $alert[$rowname] = chek_an_integer($rowname,1,10000); $_SESSION[$rowname] = ss($_POST[$rowname]); } if (! $error) { $_SESSION[current] = 3; } } function offer_weights() { global $alert, $fill; $fields = array(array("","<center><b>How important is it to you </b>...</center>", "<center>Least ----- Most</centrer>","type"=>"label")); $fvals = "31|42|56|75|100|133|178|237|317"; foreach (array_keys($_SESSION["cols"]) as $rowname) { if ($_POST[$rowname] == "") $_POST[$rowname] = 100; array_push($fields,array($rowname,$_SESSION[cols][$rowname],$_POST[$rowname], $alert[$rowname],"type"=>"pips","options"=>$fvals)); } $fill[toptag] = "How important is each factor in this decision for you?"; $fill[body] = "<p>Deciding the future direction for Wiltshire's Public Transport" . " Network is going to be a compromise between many factors, and the council" . " has a difficult decision to make with regards bus support for the 2017/18" . " year and beyond. This tool (prototype at the moment) is a tool to help you" . " understand the various elements that go towards making the decision, and" . " the way that priorities / importance will affect the outcome.<br /><br />" . "<b>We invite you to put yourself in the decision maker's shoes</b>. Select" . " a box to the right to add importance or to the left if they're not important" . " to you. When you are done, submit the form and we'll rank the eight options" . " we're aware of based on the relative importance you've given to each factor" . " in the choice. To call up the support page, go <a href=choice.html target=xyz>" . "[here]</a>"; $fill[body] .= mkeform($fields); $fill[body] .= "</p>"; $fill[result] = "Results will appear in this area"; } function report_results() { global $fill; $fill[toptag] = "Thank you for your inputs"; $fill[body] = "<p>Based on those weights, here are the options available and their scores<br />"; $sortable = array(); foreach (array_keys($_SESSION["choicedata"]) as $rowname) { $fillpart = "<br>Option $rowname ....<br />"; $fillpart .= $_SESSION[rows][$rowname] . "<br />"; $score = 0; $maxscore = 0; $values = $_SESSION["choicedata"][$rowname]; $vp = 0; $vst = ""; foreach (array_keys($_SESSION["cols"]) as $colname) { $score += $_SESSION[$colname] * $values[$vp]; $maxscore += $_SESSION[$colname] * 100; $vst .= $_SESSION[$colname] . "\t"; $vp++; } $percent = sprintf("%.2f",100.0 * $score / $maxscore); $fillpart .= "scores $score out of $maxscore - <b>$percent%</b><br>"; $sortable[$fillpart] = $score; # $fill[body] .= $fillpart; } arsort($sortable); foreach (array_keys($sortable) as $record) { $fill[body] .= $record; } $fill[body] .= "<br />If you would like to try different factors, select" . " <a href=choice.php>[here]</a>. If you would like to see the support" . " page for this application, see <a href=choice.html>[here]</a>"; $fill[body] .= "</p>"; $fh = fopen ("loggergame.text","a"); $att = time(); fputs($fh, "$vst$_SERVER[REMOTE_ADDR]\t$att\n"); fclose($fh); } ?> Learn about this subject
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