1 files changed, 58 insertions, 0 deletions
diff --git a/app/controllers/concerns/membership_actions.rb b/app/controllers/concerns/membership_actions.rb
new file mode 100644
index 00000000000..a24273fad0b
--- /dev/null
+++ b/app/controllers/concerns/membership_actions.rb
@@ -0,0 +1,58 @@
+module MembershipActions
+  extend ActiveSupport::Concern
+  include MembersHelper
+
+  def request_access
+    membershipable.request_access(current_user)
+
+    redirect_to polymorphic_path(membershipable),
+                notice: 'Your request for access has been queued for review.'
+  end
+
+  def approve_access_request
+    @member = membershipable.members.request.find(params[:id])
+
+    return render_403 unless can?(current_user, action_member_permission(:update, @member), @member)
+
+    @member.accept_request
+
+    redirect_to polymorphic_url([membershipable, :members])
+  end
+
+  def leave
+    @member = membershipable.members.find_by(user_id: current_user)
+    return render_403 unless @member
+
+    source_type = @member.real_source_type.humanize(capitalize: false)
+
+    if can?(current_user, action_member_permission(:destroy, @member), @member)
+      notice =
+        if @member.request?
+          "Your access request to the #{source_type} has been withdrawn."
+        else
+          "You left the \"#{@member.source.human_name}\" #{source_type}."
+        end
+      @member.destroy
+
+      redirect_to [:dashboard, @member.real_source_type.tableize], notice: notice
+    else
+      if cannot_leave?
+        alert = "You can not leave the \"#{@member.source.human_name}\" #{source_type}."
+        alert << " Transfer or delete the #{source_type}."
+        redirect_to polymorphic_url(membershipable), alert: alert
+      else
+        render_403
+      end
+    end
+  end
+
+  protected
+
+  def membershipable
+    raise NotImplementedError
+  end
+
+  def cannot_leave?
+    raise NotImplementedError
+  end
+end