Customized our fuzzy 'age' function to suit our purpose

git-svn-id: file:///svn-source/pmgr/branches/ledger_transactions_20090605/site@90 97e9348a-65ac-dc4b-aefc-98561f571b83

views/helpers/format.php

@@ -11,6 +11,14 @@ class FormatHelper extends AppHelper {
     self::$number = new NumberHelper;
   }
 
+  function _n($amount, $singular, $plural = null) {
+    return ($amount . ' ' .
+	    __n($singular,
+		$plural ? $plural : $singular.'s',
+		$amount,
+		true));
+  }
+
   function currency($amount) {
     if (!isset($amount))
       return '-';
@@ -19,19 +27,16 @@ class FormatHelper extends AppHelper {
     return (isset($amount)
 	    ? self::$number->currency($amount)
 	    : null);
-    
-/*     if ($money < 0) */
-/*       return "($ " . number_format(-1*$money, 2) . ")"; */
-/*     else */
-/*       return "$ " . number_format($money, 2); */
   }
 
-  function date($date) {
+  function date($date, $age = false) {
+    if (!$date) return null;
+
     $date_fmt = 'm/d/Y';
-    return (isset($date)
+    return (self::$time->format($date_fmt, $date) .
-	    ? self::$time->format($date_fmt, $date)
+	    ($age
-	    //? date_format(date_create($date), $date_fmt)
+	     ? ' (' . self::age($date) . ')'
-	    : null);
+	     : ''));
   }
 
   function datetime($datetime) {
@@ -65,8 +70,119 @@ class FormatHelper extends AppHelper {
   }
 
   function age($datetime) {
-    return $time->timeAgoInWords($datetime,
+    if (!isset($datetime))
-				 array('end' => '+99 years'));
+      return null;
+
+    $now = time();
+    $seconds = self::$time->fromString($datetime);
+    $backwards = ($seconds > $now);
+
+    $timefrom = $backwards ? $now : $seconds;
+    $timeto   = $backwards ? $seconds : $now;
+    $span = $timeto - $timefrom;
+
+    // Display seconds if under 45 seconds
+    if ($span === 0) {
+      return __('now', true);
+    }
+    if ($span < 45) {
+      $approx = round($span);
+      $unit = 'second';
+    }
+    // Display minutes if under 45 minutes
+    elseif (($span /= 60) < 45) {
+      $approx = round($span);
+      $unit = 'minute';
+    }
+    // Display hours if under 18 hours
+    elseif (($span /= 60) < 18) {
+      $approx = round($span);
+      $unit = 'hour';
+    }
+    // Display days if under 6.5 days
+    elseif (($span /= 24) < 6.5) {
+      $approx = round($span);
+      $unit = 'day';
+    }
+    // Display weeks if less than 8 weeks
+    elseif (($span /= 7) < 8) {
+      $approx = round($span);
+      $unit = 'week';
+    }
+    // Display months if less than 20 months
+    elseif (($span /= (365.2425 / (7 * 12))) < 20) {
+      $approx = round($span);
+      $unit = 'month';
+
+      // Months are from 28-31 days.  If it's too
+      // close to being an exact month, just fudge
+      // by saying the result is 'about' N months
+      // instead of 'almost' or 'over' N months,
+      // since we can't be accurate on this without
+      // taking into account the day of the week.
+      if ((abs($span - $approx) * (365.2425 / 12)) < 3)
+	$relative = 'about';
+    }
+    else {
+      $span /= 12;
+      $approx = round($span);
+      $unit = 'year';
+    }
+
+    return (__(isset($relative)
+	       ? $relative
+	       : ($approx == $span
+		  ? ''
+		  : ($approx > $span ? 'almost' : 'over')), true)
+	    . ' '
+	    . self::_n($approx, $unit)
+	    . ($backwards ? '' : __(' ago', true)));
   }
 
+/*****************************
+ ** Test code
+ **/
+/* function basevals($max) { */
+/*   return incrvals($max); */
+/*   if ($max % 2) { */
+/*     return array(0, 1, ($max+1)/2-1, $max/2, ($max+1)/2, $max-1); */
+/*   } */
+/*   else { */
+/*     return array(0, 1, $max/2-1, $max/2, $max/2+1, $max-1); */
+/*   } */
+/* } */
+
+/* function incrvals($max, $suppress = false) { */
+/*   if ($suppress) */
+/*     //return array(0); */
+/*     return array(0, 4, $max-1); */
+
+/*   //return array(0, 1, $max/3, (int)(($max+1)/2)-1, 2*$max/3, 3*$max/4, 4*$max/5, $max-1); */
+/*   return array(0, 1, 3, $max/2+2, (int)(($max+1)/2)+4, 2*$max/3, 3*$max/4, 4*$max/5, $max-1); */
+/* } */
+
+/* echo('<TABLE>' . "\n"); */
+/* foreach (incrvals(10) AS $y) { */
+/*   foreach (incrvals(12, $y) AS $w) { */
+/*     foreach (incrvals(30, $y||$w) AS $d) { */
+/*       foreach (incrvals(24, $y||$w||$d) AS $h) { */
+/* 	foreach (incrvals(60, $y||$w||$d||$h) AS $m) { */
+/* 	  foreach ($y||$w||$d||$h||$m ? array(0,1,59) : basevals(60) AS $s) { */
+/* 	    $seconds = 60*(60*(24*(30*(12*$y +$w) + $d) + $h) + $m) + $s; */
+/* 	    //$seconds = 60*(60*(24*(7*(52*$y +$w) + $d) + $h) + $m) + $s; */
+/* 	    $age = time() - $seconds; */
+/* 	    echo ('<TR>' */
+/* 		  . ' <TD>' . "y:$y; M:$w; d:$d; h:$h; m:$m; s:$s" . '</TD>' */
+/* 		  . ' <TD>' . FormatHelper::datetime($age) . '</TD>' */
+/* 		  . ' <TD>' . FormatHelper::age($age) . '</TD>' */
+/* 		  . ' <TD>' . $seconds . '; days='.($seconds/60/60/24).'</TD>' */
+/* 		  .'</TR>' . "\n"); */
+/* 	  } */
+/* 	} */
+/*       } */
+/*     } */
+/*   } */
+/* } */
+/* echo('</TABLE>' . "\n"); */
+
 }

views/leases/view.ctp

@@ -31,20 +31,14 @@ $rows = array(array('ID',               $lease['id']),
 						    array('controller' => 'customers',
 							  'action'     => 'view',
 							  $customer['id']))),
-	      array('Lease_Date',       FormatHelper::date($lease['lease_date'])),
+	      array('Lease_Date',       FormatHelper::date($lease['lease_date'], true)),
-	      array('Move-in Planned',  FormatHelper::date($lease['movein_planned_date'])),
+	      array('Move-in Planned',  FormatHelper::date($lease['movein_planned_date'], true)),
-	      array('Move-in',          (FormatHelper::date($lease['movein_date'])
+	      array('Move-in',          FormatHelper::date($lease['movein_date'], true)),
-					 . ' ('
+	      array('Move-out',         FormatHelper::date($lease['moveout_date'], true)),
-					 . FormatHelper::age($lease['movein_date'])
+	      array('Move-out Planned', FormatHelper::date($lease['moveout_planned_date'], true)),
-					 . ')')),
+	      array('Notice Given',     FormatHelper::date($lease['notice_given_date'], true)),
-	      array('Move-out',         (FormatHelper::date($lease['moveout_date'])
+	      array('Notice Received',  FormatHelper::date($lease['notice_received_date'], true)),
-					 . ' ('
+	      array('Closed',           FormatHelper::date($lease['close_date'], true)),
-					 . FormatHelper::age($lease['moveout_date'])
-					 . ')')),
-	      array('Move-out Planned', FormatHelper::date($lease['moveout_planned_date'])),
-	      array('Notice Given',     FormatHelper::date($lease['notice_given_date'])),
-	      array('Notice Received',  FormatHelper::date($lease['notice_received_date'])),
-	      array('Closed',           FormatHelper::date($lease['close_date'])),
 	      array('Account',          $html->link($account['name'],
 						    array('controller' => 'accounts',
 							  'action'     => 'view',