MT#20257 filter subscriber collection by subscriber's external_id

Change-Id: Ib684686b87cfc64efcbbd69425c9e3ca45125f4c

lib/NGCP/Panel/Controller/API/Subscribers.pm

@@ -128,6 +128,19 @@ sub query_params {
                 },
             },
         },
+        {
+            param => 'subscriber_external_id',
+            description => 'Filter for subscribers by subscriber\'s external_id.',
+            query => {
+                first => sub {
+                    my $q = shift;
+                    return { 'me.external_id' => { like => $q } };
+                },
+                second => sub {
+                    return { };
+                },
+            },
+        },
         {
             param => 'is_pbx_group',
             description => 'Filter for subscribers who are (not) pbx_groups.',
@@ -305,7 +318,7 @@ sub GET :Allow {
         $hal->resource({
             total_count => $total_count,
         });
-        my $response = HTTP::Response->new(HTTP_OK, undef, 
+        my $response = HTTP::Response->new(HTTP_OK, undef,
             HTTP::Headers->new($hal->http_headers(skip_links => 1)), $hal->as_json);
         $c->response->headers($response->headers);
         $c->response->body($response->content);
@@ -341,7 +354,7 @@ sub POST :Allow {
     my $guard = $schema->txn_scope_guard;
     {
         my $resource = $self->get_valid_post_data(
-            c => $c, 
+            c => $c,
             media_type => 'application/json',
         );
         last unless $resource;
@@ -405,7 +418,7 @@ sub POST :Allow {
             $self->error($c, HTTP_INTERNAL_SERVER_ERROR, "Failed to create subscriber.");
             last;
         }
-        
+
         last unless $self->add_create_journal_item_hal($c,sub {
             my $self = shift;
             my ($c) = @_;