def create_campaign_goal_association(self,
campaign,
goal,
user,
participation,
pledge=None):
cga = CampaignGoalAssociation()
cga.user_id = user.id
cga.campaign_id = campaign.id
cga.campaign_goal_id = goal.id
cga.participation = participation
if pledge is not None:
cga.pledge = pledge
self.commit_model(cga)
return cga
