61 lines
2.0 KiB
Ruby
61 lines
2.0 KiB
Ruby
#
|
|
# SQL fragments used when querying a list of topics.
|
|
#
|
|
module TopicQuerySQL
|
|
|
|
class << self
|
|
|
|
# use the constants in conjuction with COALESCE to determine the order with regard to pinned
|
|
# topics that have been cleared by the user. There might be a cleaner way to do this.
|
|
def lowest_date
|
|
"2010-01-01"
|
|
end
|
|
|
|
def highest_date
|
|
"3000-01-01"
|
|
end
|
|
|
|
def order_by_category_sql(dir)
|
|
"CASE WHEN categories.id = #{SiteSetting.uncategorized_category_id.to_i} THEN '' ELSE categories.name END #{dir}"
|
|
end
|
|
|
|
# If you've clearned the pin, use bumped_at, otherwise put it at the top
|
|
def order_with_pinned_sql
|
|
"CASE
|
|
WHEN (COALESCE(topics.pinned_at, '#{lowest_date}') > COALESCE(tu.cleared_pinned_at, '#{lowest_date}'))
|
|
THEN '#{highest_date}'
|
|
ELSE topics.bumped_at
|
|
END DESC"
|
|
end
|
|
|
|
# If you've clearned the pin, use bumped_at, otherwise put it at the top
|
|
def order_nocategory_with_pinned_sql
|
|
"CASE
|
|
WHEN topics.category_id = #{SiteSetting.uncategorized_category_id.to_i} and (COALESCE(topics.pinned_at, '#{lowest_date}') > COALESCE(tu.cleared_pinned_at, '#{lowest_date}'))
|
|
THEN '#{highest_date}'
|
|
ELSE topics.bumped_at
|
|
END DESC"
|
|
end
|
|
|
|
def order_basic_bumped
|
|
"CASE WHEN (topics.pinned_at IS NOT NULL) THEN 0 ELSE 1 END, topics.bumped_at DESC"
|
|
end
|
|
|
|
def order_nocategory_basic_bumped
|
|
"CASE WHEN topics.category_id = #{SiteSetting.uncategorized_category_id.to_i} and (topics.pinned_at IS NOT NULL) THEN 0 ELSE 1 END, topics.bumped_at DESC"
|
|
end
|
|
|
|
def order_top_for(score)
|
|
"top_topics.#{score} DESC, topics.bumped_at DESC"
|
|
end
|
|
|
|
def order_top_with_pinned_category_for(score)
|
|
# display pinned topics first
|
|
"CASE WHEN COALESCE(topics.pinned_at, '#{lowest_date}') > COALESCE(tu.cleared_pinned_at, '#{lowest_date}') THEN 1 ELSE 0 END DESC,
|
|
top_topics.#{score} DESC,
|
|
topics.bumped_at DESC"
|
|
end
|
|
|
|
end
|
|
end
|