article.rb
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require_dependency 'article'
class Article
named_scope :relevant_content, :conditions => ["(articles.type != 'UploadedFile' and articles.type != 'Blog' and articles.type != 'RssFeed') OR articles.type is NULL"]
def self.most_accessed(owner, limit = nil)
conditions = owner.kind_of?(Environment) ? ["hits > 0"] : ["profile_id = ? and hits > 0", owner.id]
result = Article.relevant_content.find(
:all,
:order => 'hits desc',
:limit => limit,
:conditions => conditions)
result.paginate({:page => 1, :per_page => limit})
end
def self.most_commented_relevant_content(owner, limit)
if owner.kind_of?(Environment)
result = Article.relevant_content.find(
:all,
:order => 'comments_count desc',
:limit => limit,
:conditions => ["comments_count > 0"]
)
result.paginate({:page => 1, :per_page => limit})
else
#Owner is a profile
result = Article.relevant_content.find(
:all,
:order => 'comments_count desc',
:limit => limit,
:conditions => ["profile_id = ? and comments_count > 0", owner.id]
)
result.paginate({:page => 1, :per_page => limit})
end
end
def self.articles_columns
Article.column_names.map {|c| "articles.#{c}"} .join(",")
end
def self.more_positive_votes(owner, limit = nil)
if owner.kind_of?(Environment)
result = Article.find(
:all,
:select => articles_columns,
:order => 'sum(vote) desc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:having => ['sum(vote) > 0'],
:conditions => {'votes.voteable_type' => 'Article'},
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id'
)
result.paginate({:page => 1, :per_page => limit})
else
#Owner is a profile
result = Article.find(
:all,
:select => articles_columns,
:order => 'sum(vote) desc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id',
:having => ['sum(vote) > 0'],
:conditions => ["profile_id = ? and votes.voteable_type = ? ", owner.id, 'Article']
)
result.paginate({:page => 1, :per_page => limit})
end
end
def self.more_negative_votes(owner, limit = nil)
if owner.kind_of?(Environment)
result = Article.find(
:all,
:select => articles_columns,
:order => 'sum(vote) asc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:having => ['sum(vote) < 0'],
:conditions => {'votes.voteable_type' => 'Article'},
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id'
)
result.paginate({:page => 1, :per_page => limit})
else
#Owner is a profile
result = Article.find(
:all,
:select => articles_columns,
:order => 'sum(vote) asc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id',
:having => ['sum(vote) < 0'],
:conditions => ["profile_id = ? and votes.voteable_type = 'Article' ", owner.id]
)
result.paginate({:page => 1, :per_page => limit})
end
end
def self.most_liked(owner, limit = nil)
if owner.kind_of?(Environment)
result = Article.find(
:all,
:select => articles_columns,
:order => 'count(voteable_id) desc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id',
:conditions => ["votes.voteable_type = 'Article' and vote > 0"]
)
result.paginate({:page => 1, :per_page => limit})
else
#Owner is a profile
result = Article.find(
:all,
:select => articles_columns,
:order => 'count(voteable_id) desc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id',
:conditions => ["votes.voteable_type = 'Article' and vote > 0 and profile_id = ? ", owner.id]
)
result.paginate({:page => 1, :per_page => limit})
end
end
def self.most_disliked(owner, limit = nil)
if owner.kind_of?(Environment)
result = Article.find(
:all,
:order => 'count(voteable_id) desc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id',
:conditions => ["votes.voteable_type = 'Article' and vote < 0"]
)
result.paginate({:page => 1, :per_page => limit})
else
#Owner is a profile
result = Article.find(
:all,
:order => 'count(voteable_id) desc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id',
:conditions => ["votes.voteable_type = 'Article' and vote < 0 and profile_id = ? ", owner.id]
)
result.paginate({:page => 1, :per_page => limit})
end
end
def self.most_voted(owner, limit = nil)
if owner.kind_of?(Environment)
result = Article.find(
:all,
:select => articles_columns,
:order => 'count(voteable_id) desc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id',
:conditions => ["votes.voteable_type = 'Article'"]
)
result.paginate({:page => 1, :per_page => limit})
else
#Owner is a profile
result = Article.find(
:all,
:select => articles_columns,
:order => 'count(voteable_id) desc',
:group => 'voteable_id, ' + articles_columns,
:limit => limit,
:joins => 'INNER JOIN votes ON articles.id = votes.voteable_id',
:conditions => ["votes.voteable_type = 'Article' and profile_id = ? ", owner.id]
)
result.paginate({:page => 1, :per_page => limit})
end
end
end