From df3df71a54777a69eada87f18dffaa5ab0ba9652 Mon Sep 17 00:00:00 2001
From: Bertocq <bertocq@gmail.com>
Date: Mon, 4 Dec 2017 15:49:20 +0100
Subject: [PATCH] Force postgresql setseed value in correct range

This commit partially backports commit AyuntamientoMadrid@f038399 by
taking only the parts affecting code already in CONSUL's main
repository.
---
 app/controllers/legislation/processes_controller.rb | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/app/controllers/legislation/processes_controller.rb b/app/controllers/legislation/processes_controller.rb
index 59a3e46b3..b0c6a0a46 100644
--- a/app/controllers/legislation/processes_controller.rb
+++ b/app/controllers/legislation/processes_controller.rb
@@ -110,8 +110,13 @@ class Legislation::ProcessesController < Legislation::BaseController
     end
 
     def set_random_seed
-      seed = Float(params[:random_seed] || session[:random_seed] || (rand(99) / 100.0)) rescue 0
+      seed = begin
+               Float(params[:random_seed] || session[:random_seed] || (rand(99) / 100.0))
+             rescue
+               0
+             end
       session[:random_seed], params[:random_seed] = seed
+      seed = (-1..1).cover?(seed) ? seed : 1
       ::Legislation::Proposal.connection.execute "select setseed(#{seed})"
     end
 end