From 94ac7786132a538a5742ba325eb7fe9eff89cfc9 Mon Sep 17 00:00:00 2001
From: Matthew Somerville <matthew@mysociety.org>
Date: Fri, 13 Sep 2013 10:46:54 +0100
Subject: Have a central config-override function.

You only need to pass in the values you wish to be different.
---
 perllib/FixMyStreet.pm | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

(limited to 'perllib/FixMyStreet.pm')

diff --git a/perllib/FixMyStreet.pm b/perllib/FixMyStreet.pm
index be488a796..6c664f1d1 100644
--- a/perllib/FixMyStreet.pm
+++ b/perllib/FixMyStreet.pm
@@ -7,6 +7,7 @@ use Path::Class;
 my $ROOT_DIR = file(__FILE__)->parent->parent->absolute->resolve;
 
 use Readonly;
+use Sub::Override;
 
 use mySociety::Config;
 use mySociety::DBHandle;
@@ -85,6 +86,41 @@ sub config {
     return exists $CONFIG{$key} ? $CONFIG{$key} : undef;
 }
 
+sub override_config($&) {
+    my $config = shift;
+    my $code = \&{shift @_};
+
+    mySociety::MaPit::configure($config->{MAPIT_URL}) if $config->{MAPIT_URL};
+
+    # For historical reasons, we have two ways of askig for config variables.
+    # Override them both, I'm sure we'll find time to get rid of one eventually.
+    my $override_guard1 = Sub::Override->new(
+        "FixMyStreet::config",
+        sub {
+            my ($class, $key) = @_;
+            return $config->{$key} if exists $config->{$key};
+            my $orig_config = mySociety::Config::load_default();
+            return $orig_config->{$key} if exists $orig_config->{$key};
+        }
+    );
+    my $override_guard2 = Sub::Override->new(
+        "mySociety::Config::get",
+        sub ($;$) {
+            my ($key, $default) = @_;
+            return $config->{$key} if exists $config->{$key};
+            my $orig_config = mySociety::Config::load_default();
+            return $orig_config->{$key} if exists $orig_config->{$key};
+            return $default if @_ == 2;
+        }
+    );
+
+    $code->();
+
+    $override_guard1->restore();
+    $override_guard2->restore();
+    mySociety::MaPit::configure() if $config->{MAPIT_URL};;
+}
+
 =head2 dbic_connect_info
 
     $connect_info = FixMyStreet->dbic_connect_info();
-- 
cgit v1.2.3