fix: properly find the most recent pop

Closes #2.

app/controllers/instance_controller.rb

@@ -99,7 +99,7 @@ class InstanceController < ApplicationController
     parent_instance = Instance.find_by(public_id: instance_id)
     if params[:mins] && params[:mins].to_i < 120 && params[:pwd] == parent_instance.password
       ts = Time.now.utc
-      pop = Pop.find_by(instance_id: parent_instance.id, name: nm)
+      pop = Pop.find_by(instance_id: parent_instance.id, name: nm, created_at: 120.minutes.ago..Time.now)
       pop.created_at = Time.at(ts - params[:mins].to_i.minutes).utc
       pop.save
       @instance = Instance.includes(:pops, :fairies).find_by(public_id: instance_id)

app/views/instance/_list.html.erb

@@ -46,7 +46,7 @@
       <div class="condition">
         <% if nm[:is_popped] %>
           <div class="pop-timer">
-            <% pop = instance.pops.find { |pop| pop.name == nm[:name].parameterize } %>
+            <% pop = instance.pops.find { |pop| (Time.now.utc - 120.minutes) <= pop.created_at and pop.name == nm[:name].parameterize } %>
             <% mins = ActiveSupport::Duration.build(Time.current - pop.created_at) %>
             <div class="timer">
               <div>» <%= (120.minutes - mins).in_minutes.ceil %>m</div>