From 8446bae6dde68e1030f2a47974f043644e5e3ce4 Mon Sep 17 00:00:00 2001
From: eileen <emcnaughton@wikimedia.org>
Date: Mon, 18 Feb 2019 13:36:39 +1300
Subject: [PATCH] Deprecate computeStats off to the one place that still uses
 it.

We MIGHT have reports calling it so to avoid a fatal we will not remove the function just yet
---
 CRM/Contribute/BAO/Contribution.php    | 56 ++------------------
 CRM/Report/Form/Contribute/Summary.php | 73 ++++++++++++++++++++++++--
 2 files changed, 73 insertions(+), 56 deletions(-)

diff --git a/CRM/Contribute/BAO/Contribution.php b/CRM/Contribute/BAO/Contribution.php
index 2563c0d42b..f17d3ab991 100644
--- a/CRM/Contribute/BAO/Contribution.php
+++ b/CRM/Contribute/BAO/Contribution.php
@@ -4400,6 +4400,8 @@ WHERE eft.financial_trxn_id IN ({$trxnId}, {$baseTrxnId['financialTrxnId']})
   /**
    * Compute the stats values
    *
+   * @deprecated
+   *
    * @param string $stat either 'mode' or 'median'
    * @param string $sql
    * @param string $alias of civicrm_contribution
@@ -4407,58 +4409,8 @@ WHERE eft.financial_trxn_id IN ({$trxnId}, {$baseTrxnId['financialTrxnId']})
    * @return array|null
    */
   public static function computeStats($stat, $sql, $alias = NULL) {
-    $mode = $median = array();
-    switch ($stat) {
-      case 'mode':
-        $modeDAO = CRM_Core_DAO::executeQuery($sql);
-        while ($modeDAO->fetch()) {
-          if ($modeDAO->civicrm_contribution_total_amount_count > 1) {
-            $mode[] = CRM_Utils_Money::format($modeDAO->amount, $modeDAO->currency);
-          }
-          else {
-            $mode[] = 'N/A';
-          }
-        }
-        return $mode;
-
-      case 'median':
-        $currencies = CRM_Core_OptionGroup::values('currencies_enabled');
-        foreach ($currencies as $currency => $val) {
-          $midValue = 0;
-          $where = "AND {$alias}.currency = '{$currency}'";
-          $rowCount = CRM_Core_DAO::singleValueQuery("SELECT count(*) as count {$sql} {$where}");
-
-          $even = FALSE;
-          $offset = 1;
-          $medianRow = floor($rowCount / 2);
-          if ($rowCount % 2 == 0 && !empty($medianRow)) {
-            $even = TRUE;
-            $offset++;
-            $medianRow--;
-          }
-
-          $medianValue = "SELECT {$alias}.total_amount as median
-             {$sql} {$where}
-             ORDER BY median LIMIT {$medianRow},{$offset}";
-          $medianValDAO = CRM_Core_DAO::executeQuery($medianValue);
-          while ($medianValDAO->fetch()) {
-            if ($even) {
-              $midValue = $midValue + $medianValDAO->median;
-            }
-            else {
-              $median[] = CRM_Utils_Money::format($medianValDAO->median, $currency);
-            }
-          }
-          if ($even) {
-            $midValue = $midValue / 2;
-            $median[] = CRM_Utils_Money::format($midValue, $currency);
-          }
-        }
-        return $median;
-
-      default:
-        return NULL;
-    }
+    CRM_Core_Error::deprecatedFunctionWarning('computeStats is now deprecated');
+    return [];
   }
 
   /**
diff --git a/CRM/Report/Form/Contribute/Summary.php b/CRM/Report/Form/Contribute/Summary.php
index b5f682a987..11a7773b47 100644
--- a/CRM/Report/Form/Contribute/Summary.php
+++ b/CRM/Report/Form/Contribute/Summary.php
@@ -649,10 +649,8 @@ ROUND(AVG({$this->_aliases['civicrm_contribution_soft']}.amount), 2) as civicrm_
       FROM (SELECT {$this->_aliases['civicrm_contribution']}.total_amount as amount,
     {$contriQuery} {$groupBy} {$orderBy}) as mode GROUP BY currency";
 
-    $mode = CRM_Contribute_BAO_Contribution::computeStats('mode', $modeSQL);
-
-    $medianSQL = "{$this->_from} {$this->_where}";
-    $median = CRM_Contribute_BAO_Contribution::computeStats('median', $medianSQL, $this->_aliases['civicrm_contribution']);
+    $mode = $this->calculateMode($modeSQL);
+    $median = $this->calculateMedian();
 
     if ($softCredit) {
       $softDAO = CRM_Core_DAO::executeQuery($softSQL);
@@ -961,4 +959,71 @@ ROUND(AVG({$this->_aliases['civicrm_contribution_soft']}.amount), 2) as civicrm_
     }
   }
 
+  /**
+   * Calculate mode.
+   *
+   * Note this is a slow query. Alternative is extended reports.
+   *
+   * @param string $sql
+   * @return array|null
+   */
+  protected function calculateMode($sql) {
+    $mode = [];
+    $modeDAO = CRM_Core_DAO::executeQuery($sql);
+    while ($modeDAO->fetch()) {
+      if ($modeDAO->civicrm_contribution_total_amount_count > 1) {
+        $mode[] = CRM_Utils_Money::format($modeDAO->amount, $modeDAO->currency);
+      }
+      else {
+        $mode[] = 'N/A';
+      }
+    }
+    return $mode;
+  }
+
+  /**
+   * Calculate mode.
+   *
+   * Note this is a slow query. Alternative is extended reports.
+   *
+   * @return array|null
+   */
+  protected function calculateMedian() {
+    $sql = "{$this->_from} {$this->_where}";
+    $currencies = CRM_Core_OptionGroup::values('currencies_enabled');
+    $median = [];
+    foreach ($currencies as $currency => $val) {
+      $midValue = 0;
+      $where = "AND {$this->_aliases['civicrm_contribution']}.currency = '{$currency}'";
+      $rowCount = CRM_Core_DAO::singleValueQuery("SELECT count(*) as count {$sql} {$where}");
+
+      $even = FALSE;
+      $offset = 1;
+      $medianRow = floor($rowCount / 2);
+      if ($rowCount % 2 == 0 && !empty($medianRow)) {
+        $even = TRUE;
+        $offset++;
+        $medianRow--;
+      }
+
+      $medianValue = "SELECT {$this->_aliases['civicrm_contribution']}.total_amount as median
+             {$sql} {$where}
+             ORDER BY median LIMIT {$medianRow},{$offset}";
+      $medianValDAO = CRM_Core_DAO::executeQuery($medianValue);
+      while ($medianValDAO->fetch()) {
+        if ($even) {
+          $midValue = $midValue + $medianValDAO->median;
+        }
+        else {
+          $median[] = CRM_Utils_Money::format($medianValDAO->median, $currency);
+        }
+      }
+      if ($even) {
+        $midValue = $midValue / 2;
+        $median[] = CRM_Utils_Money::format($midValue, $currency);
+      }
+    }
+    return $median;
+  }
+
 }
-- 
2.25.1