Add component in order to reduce duplicated code

Co-authored-by: Javi Martín <javim@elretirao.net>

app/components/shared/vote_button_component.rb

@@ -0,0 +1,48 @@
+class Shared::VoteButtonComponent < ApplicationComponent
+  attr_reader :votable, :value, :options
+  delegate :current_user, :can?, to: :helpers
+
+  def initialize(votable, value:, **options)
+    @votable = votable
+    @value = value
+    @options = options
+  end
+
+  private
+
+    def path
+      if already_voted?
+        polymorphic_path(vote)
+      else
+        polymorphic_path(vote, value: value)
+      end
+    end
+
+    def default_options
+      if already_voted?
+        {
+          "aria-pressed": true,
+          method: :delete,
+          remote: can?(:destroy, vote)
+        }
+      else
+        {
+          "aria-pressed": false,
+          method: :post,
+          remote: can?(:create, vote)
+        }
+      end
+    end
+
+    def vote
+      @vote ||= Vote.find_or_initialize_by(votable: votable, voter: current_user, vote_flag: parsed_value)
+    end
+
+    def already_voted?
+      vote.persisted?
+    end
+
+    def parsed_value
+      value == "yes"
+    end
+end