Oh yeah, like this?
In controller:
def rank
@this_article = Article.find(params[:id])
if (params[:rank] == 'up')
@this_article.rankup
else
@this_article.rankdown
end
redirect_to articles_path()
end
In the model:
def rankup()
@affected_article = Article.find_by(ranking: ranking.to_i-1)
self.ranking = self.ranking - 1
@affected_article.ranking = @affected_article.ranking + 1
Article.transaction do
self.save
@affected_article.save
end
end
def rankdown()
@affected_article = Article.find_by(ranking: ranking.to_i+1)
self.ranking = self.ranking + 1
@affected_article.ranking = @affected_article.ranking - 1
Article.transaction do
self.save
@affected_article.save
end
end
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