From 7daa4f352021342be7a6535e7f35095fe3e5b8ff Mon Sep 17 00:00:00 2001
From: Lari Taskula <lari.taskula@hypernova.fi>
Date: Sat, 11 Apr 2020 19:48:48 +0000
Subject: [PATCH] Bug 25114: Remove duplicated logic from GetLoanLength()

Remove duplicated logic for searching circulation rules.

This can be replaced with get_effective_rules().

To test:
1. prove t/db_dependent/Circulation/GetHardDueDate.t
---
 C4/Circulation.pm | 71 +++++++++--------------------------------------
 1 file changed, 13 insertions(+), 58 deletions(-)

diff --git a/C4/Circulation.pm b/C4/Circulation.pm
index 747d660ea6..b22799fba2 100644
--- a/C4/Circulation.pm
+++ b/C4/Circulation.pm
@@ -1540,50 +1540,6 @@ Get loan length for an itemtype, a borrower type and a branch
 sub GetLoanLength {
     my ( $categorycode, $itemtype, $branchcode ) = @_;
 
-    # Set search precedences
-    my @params = (
-        {
-            categorycode => $categorycode,
-            itemtype     => $itemtype,
-            branchcode   => $branchcode,
-        },
-        {
-            categorycode => $categorycode,
-            itemtype     => undef,
-            branchcode   => $branchcode,
-        },
-        {
-            categorycode => undef,
-            itemtype     => $itemtype,
-            branchcode   => $branchcode,
-        },
-        {
-            categorycode => undef,
-            itemtype     => undef,
-            branchcode   => $branchcode,
-        },
-        {
-            categorycode => $categorycode,
-            itemtype     => $itemtype,
-            branchcode   => undef,
-        },
-        {
-            categorycode => $categorycode,
-            itemtype     => undef,
-            branchcode   => undef,
-        },
-        {
-            categorycode => undef,
-            itemtype     => $itemtype,
-            branchcode   => undef,
-        },
-        {
-            categorycode => undef,
-            itemtype     => undef,
-            branchcode   => undef,
-        },
-    );
-
     # Initialize default values
     my $rules = {
         issuelength   => 0,
@@ -1591,21 +1547,20 @@ sub GetLoanLength {
         lengthunit    => 'days',
     };
 
-    # Search for rules!
-    foreach my $rule_name (qw( issuelength renewalperiod lengthunit )) {
-        foreach my $params (@params) {
-            my $rule = Koha::CirculationRules->search(
-                {
-                    rule_name => $rule_name,
-                    %$params,
-                }
-            )->next();
+    my $found = Koha::CirculationRules->get_effective_rules( {
+        branchcode => $branchcode,
+        categorycode => $categorycode,
+        itemtype => $itemtype,
+        rules => [
+            'issuelength',
+            'renewalperiod',
+            'lengthunit'
+        ],
+    } );
 
-            if ($rule) {
-                $rules->{$rule_name} = $rule->rule_value;
-                last;
-            }
-        }
+    # Search for rules!
+    foreach my $rule_name (keys %$found) {
+        $rules->{$rule_name} = $found->{$rule_name};
     }
 
     return $rules;
-- 
2.17.1