From a078f2b87e093882ab7549ab8c5a16486c2e85f1 Mon Sep 17 00:00:00 2001
From: f <f@sutty.nl>
Date: Wed, 22 Jul 2020 16:22:25 -0300
Subject: [PATCH] =?UTF-8?q?poder=20buscar=20posts=20seg=C3=BAn=20un=20arra?=
 =?UTF-8?q?y=20de=20valores?=
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---
 app/models/post_relation.rb | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/app/models/post_relation.rb b/app/models/post_relation.rb
index efc970b5..0546cd77 100644
--- a/app/models/post_relation.rb
+++ b/app/models/post_relation.rb
@@ -84,16 +84,29 @@ class PostRelation < Array
 
   # Encuentra todos los Post que cumplan las condiciones
   #
-  # @param [Hash]
+  # @param [Hash] Mapa de atributo => valor.  Valor puede ser un Array
+  # de valores
   # @return [PostRelation]
   def where(**args)
     return self if args.empty?
 
     PostRelation[*select do |post|
       args.map do |attr, value|
-        post.attribute?(attr) &&
-          post.public_send(attr).value == value
-      end.all?
+        next unless post.attribute?(attr)
+
+        attribute = post.public_send(attr)
+
+        # TODO: Si el valor del atributo también es un Array deberíamos
+        # cruzar ambas.
+        case value
+        when Array then value.include? attribute.value
+        else
+          case attribute.value
+          when Array then attribute.value.include? value
+          else attribute.value == value
+          end
+        end
+      end.compact.all?
     end]
   end