From d30b0d5d505ef3b57f8ec936ed1e2c8726b022f1 Mon Sep 17 00:00:00 2001
From: CMDR furrycat <elite@furrycat.net>
Date: Mon, 8 Feb 2016 11:58:28 -0500
Subject: [PATCH] Hide trivial graphs.

---
 lib/race.php | 67 +++++++++++++++++++++++++++++++++++-------------------------
 1 file changed, 39 insertions(+), 28 deletions(-)

diff --git a/lib/race.php b/lib/race.php
index 71b04f8..6b97238 100644
--- a/lib/race.php
+++ b/lib/race.php
@@ -751,26 +751,39 @@
         if (! in_array($lap_distance, array_keys($lap_distances))) $lap_distances[$lap_distance] = 0;
         $lap_distances[$lap_distance]++;
       }
-      foreach ($cmdrs as $cmdr_name => $count) {
-        $plots["cmdr"]["values"][] = $count;
-        $plots["cmdr"]["labels"][] = $cmdr_name;
+      $show_pies = false;
+      if (count($cmdrs) > 1) {
+        $show_pies = true;
+        foreach ($cmdrs as $cmdr_name => $count) {
+          $plots["cmdr"]["values"][] = $count;
+          $plots["cmdr"]["labels"][] = $cmdr_name;
+        }
+        $plots["cmdr"]["pull"] = pull($plots["cmdr"]["values"]);
       }
-      $plots["cmdr"]["pull"] = pull($plots["cmdr"]["values"]);
-      foreach ($hulls as $hull_name => $count) {
-        $plots["hull"]["values"][] = $count;
-        $plots["hull"]["labels"][] = $hull_name;
+      if (count($hulls) > 1) {
+        $show_pies = true;
+        foreach ($hulls as $hull_name => $count) {
+          $plots["hull"]["values"][] = $count;
+          $plots["hull"]["labels"][] = $hull_name;
+        }
+        $plots["hull"]["pull"] = pull($plots["hull"]["values"]);
       }
-      $plots["hull"]["pull"] = pull($plots["hull"]["values"]);
-      foreach ($lap_counts as $lap_count => $count) {
-        $plots["lap_count"]["values"][] = $count;
-        $plots["lap_count"]["labels"][] = $lap_count;
+      if (count($lap_counts) > 1) {
+        $show_pies = true;
+        foreach ($lap_counts as $lap_count => $count) {
+          $plots["lap_count"]["values"][] = $count;
+          $plots["lap_count"]["labels"][] = $lap_count;
+        }
+        $plots["lap_count"]["pull"] = pull($plots["lap_count"]["values"]);
       }
-      $plots["lap_count"]["pull"] = pull($plots["lap_count"]["values"]);
-      foreach ($lap_distances as $lap_distance => $count) {
-        $plots["lap_distance"]["values"][] = $count;
-        $plots["lap_distance"]["labels"][] = $lap_distance;
+      if (count($lap_distances) > 1) {
+        $show_pies = true;
+        foreach ($lap_distances as $lap_distance => $count) {
+          $plots["lap_distance"]["values"][] = $count;
+          $plots["lap_distance"]["labels"][] = $lap_distance;
+        }
+        $plots["lap_distance"]["pull"] = pull($plots["lap_distance"]["values"]);
       }
-      $plots["lap_distance"]["pull"] = pull($plots["lap_distance"]["values"]);
 
       $legs = array(
         "leg_times" => array(
@@ -796,9 +809,7 @@
           "type" => "bar"
         )
       );
-      $raced_times = array(
-        "raced_times" => array()
-      );
+      $raced_times = array();
       $dbh = Propel::getConnection();
       /* Average station to station speed. */
       $sth = $dbh->prepare("select s1.name as station1, s2.name as station2, avg(timestampdiff(second, l1.arrival, l2.arrival)) as delta from laptime l1, laptime l2, station s1, station s2, lap, entry, course where l1.lap_id=l2.lap_id and l1.station_id=s1.id and l2.station_id=s2.id and l1.lap_id=lap.id and lap.entry_id=entry.id and course.race_id=entry.race_id and l2.station_order=l1.station_order+1 and entry.race_id=:race_id group by station1, station2 order by delta");
@@ -825,24 +836,24 @@
         $laps["fastest_laps"]["y"][] = (int) $row["n"];
       }
       uasort($time_raced, "by_raced");
-      $raced_times_bars = array();
       foreach ($time_raced as $cmdr_name => $times) {
         for ($n = 0; $n < count($times); $n++) {
           $time = (int) $times[$n];
-          if (count($raced_times_bars) <= $n) $raced_times_bars[] = array("x" => array(), "y" => array(), "name" => "Entry " . ($n + 1), "text" => array(), "type" => "bar");
-          $raced_times_bars[$n]["x"][] = $cmdr_name;
-          $raced_times_bars[$n]["y"][] = $time;
-          $raced_times_bars[$n]["text"][] = format_time($time);
+          if (count($raced_times) <= $n) $raced_times[] = array("x" => array(), "y" => array(), "name" => "Entry " . ($n + 1), "text" => array(), "type" => "bar");
+          $raced_times[$n]["x"][] = $cmdr_name;
+          $raced_times[$n]["y"][] = $time;
+          $raced_times[$n]["text"][] = format_time($time);
         }
       }
-      $raced_times = $raced_times_bars;
       /* Time raced. */
       echo "<script type=\"text/javascript\"><!--\n";
-      echo "var pies = " . json_encode(array_values($plots)) . ";\n";
+      if ($show_pies) echo "var pies = " . json_encode(array_values($plots)) . ";\n";
+      else echo "var pies = null;\n";
       echo "var legs = " . json_encode(array_values($legs)) . ";\n";
       echo "var speeds = " . json_encode(array_values($speeds)) . ";\n";
-      echo "var laps = " . json_encode(array_values($laps)) . ";\n";
-      echo "var raced_times = " . json_encode(array_values($raced_times)) . ";\n";
+      if (count($laps["fastest_laps"]["x"]) > 1) echo "var laps = " . json_encode(array_values($laps)) . ";\n";
+      else echo "var laps = null;\n";
+      if (count($raced_times) && count($raced_times[0]["x"]) > 1) echo "var raced_times = " . json_encode(array_values($raced_times)) . ";\n";
       echo "//--></script>\n";
     }
     echo "<hr>\n";
-- 
2.7.4