525 lines
19 KiB
Ruby
525 lines
19 KiB
Ruby
class PostQueryBuilder
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attr_accessor :query_string
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def initialize(query_string)
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@query_string = query_string
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end
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def add_range_relation(arr, field, relation)
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return relation if arr.nil?
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case arr[0]
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when :eq
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if arr[1].is_a?(Time)
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relation.where("#{field} between ? and ?", arr[1].beginning_of_day, arr[1].end_of_day)
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else
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relation.where(["#{field} = ?", arr[1]])
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end
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when :gt
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relation.where(["#{field} > ?", arr[1]])
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when :gte
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relation.where(["#{field} >= ?", arr[1]])
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when :lt
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relation.where(["#{field} < ?", arr[1]])
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when :lte
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relation.where(["#{field} <= ?", arr[1]])
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when :in
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relation.where(["#{field} in (?)", arr[1]])
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when :between
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relation.where(["#{field} BETWEEN ? AND ?", arr[1], arr[2]])
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else
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relation
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end
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end
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def escape_string_for_tsquery(array)
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array.map do |token|
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token.to_escaped_for_tsquery
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end
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end
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def add_tag_string_search_relation(tags, relation)
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tag_query_sql = []
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if tags[:include].any?
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tag_query_sql << "(" + escape_string_for_tsquery(tags[:include]).join(" | ") + ")"
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end
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if tags[:related].any?
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tag_query_sql << "(" + escape_string_for_tsquery(tags[:related]).join(" & ") + ")"
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end
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if tags[:exclude].any?
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tag_query_sql << "!(" + escape_string_for_tsquery(tags[:exclude]).join(" | ") + ")"
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end
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if tag_query_sql.any?
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relation = relation.where("posts.tag_index @@ to_tsquery('danbooru', E?)", tag_query_sql.join(" & "))
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end
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relation
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end
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def add_saved_search_relation(saved_searches, relation)
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if SavedSearch.enabled?
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saved_searches.each do |saved_search|
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if saved_search == "all"
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post_ids = SavedSearch.post_ids(CurrentUser.id)
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else
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post_ids = SavedSearch.post_ids(CurrentUser.id, saved_search)
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end
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post_ids = [0] if post_ids.empty?
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relation = relation.where(["posts.id IN (?)", post_ids])
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end
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end
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relation
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end
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def hide_deleted_posts?(q)
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return false if CurrentUser.admin_mode?
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return false if q[:status].in?(%w[deleted active any all])
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return false if q[:status_neg].in?(%w[deleted active any all])
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return CurrentUser.user.hide_deleted_posts?
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end
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def build(relation = nil)
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unless query_string.is_a?(Hash)
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q = Tag.parse_query(query_string)
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end
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if relation.nil?
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relation = Post.where("true")
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end
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if q[:tag_count].to_i > Danbooru.config.tag_query_limit
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raise ::Post::SearchError.new("You cannot search for more than #{Danbooru.config.tag_query_limit} tags at a time")
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end
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if CurrentUser.safe_mode?
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relation = relation.where("posts.rating = 's'")
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end
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relation = add_range_relation(q[:post_id], "posts.id", relation)
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relation = add_range_relation(q[:mpixels], "posts.image_width * posts.image_height / 1000000.0", relation)
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relation = add_range_relation(q[:ratio], "ROUND(1.0 * posts.image_width / GREATEST(1, posts.image_height), 2)", relation)
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relation = add_range_relation(q[:width], "posts.image_width", relation)
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relation = add_range_relation(q[:height], "posts.image_height", relation)
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relation = add_range_relation(q[:score], "posts.score", relation)
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relation = add_range_relation(q[:fav_count], "posts.fav_count", relation)
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relation = add_range_relation(q[:filesize], "posts.file_size", relation)
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relation = add_range_relation(q[:date], "posts.created_at", relation)
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relation = add_range_relation(q[:age], "posts.created_at", relation)
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TagCategory.categories.each do |category|
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relation = add_range_relation(q["#{category}_tag_count".to_sym], "posts.tag_count_#{category}", relation)
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end
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relation = add_range_relation(q[:post_tag_count], "posts.tag_count", relation)
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relation = add_range_relation(q[:pixiv_id], "posts.pixiv_id", relation)
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if q[:md5]
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relation = relation.where(["posts.md5 IN (?)", q[:md5]])
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end
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if q[:status] == "pending"
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relation = relation.where("posts.is_pending = TRUE")
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elsif q[:status] == "flagged"
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relation = relation.where("posts.is_flagged = TRUE")
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elsif q[:status] == "deleted"
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relation = relation.where("posts.is_deleted = TRUE")
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elsif q[:status] == "banned"
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relation = relation.where("posts.is_banned = TRUE")
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elsif q[:status] == "active"
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relation = relation.where("posts.is_pending = FALSE AND posts.is_deleted = FALSE AND posts.is_banned = FALSE AND posts.is_flagged = FALSE")
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elsif q[:status] == "all" || q[:status] == "any"
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# do nothing
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elsif q[:status_neg] == "pending"
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relation = relation.where("posts.is_pending = FALSE")
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elsif q[:status_neg] == "flagged"
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relation = relation.where("posts.is_flagged = FALSE")
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elsif q[:status_neg] == "deleted"
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relation = relation.where("posts.is_deleted = FALSE")
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elsif q[:status_neg] == "banned"
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relation = relation.where("posts.is_banned = FALSE")
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elsif q[:status_neg] == "active"
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relation = relation.where("posts.is_pending = TRUE OR posts.is_deleted = TRUE OR posts.is_banned = TRUE OR posts.is_flagged = TRUE")
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end
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if hide_deleted_posts?(q)
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relation = relation.where("posts.is_deleted = FALSE")
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end
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if q[:filetype]
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relation = relation.where("posts.file_ext": q[:filetype])
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end
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if q[:filetype_neg]
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relation = relation.where.not("posts.file_ext": q[:filetype_neg])
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end
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# The SourcePattern SQL function replaces Pixiv sources with "pixiv/[suffix]", where
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# [suffix] is everything past the second-to-last slash in the URL. It leaves non-Pixiv
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# URLs unchanged. This is to ease database load for Pixiv source searches.
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if q[:source]
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if q[:source] == "none%"
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relation = relation.where("posts.source = ''")
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elsif q[:source] == "http%"
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relation = relation.where("(lower(posts.source) like ?)", "http%")
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elsif q[:source] =~ /^(?:https?:\/\/)?%\.?pixiv(?:\.net(?:\/img)?)?(?:%\/img\/|%\/|(?=%$))(.+)$/i
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relation = relation.where("SourcePattern(lower(posts.source)) LIKE lower(?) ESCAPE E'\\\\'", "pixiv/" + $1)
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else
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relation = relation.where("SourcePattern(lower(posts.source)) LIKE SourcePattern(lower(?)) ESCAPE E'\\\\'", q[:source])
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end
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end
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if q[:source_neg]
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if q[:source_neg] == "none%"
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relation = relation.where("posts.source != ''")
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elsif q[:source_neg] == "http%"
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relation = relation.where("(lower(posts.source) not like ?)", "http%")
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elsif q[:source_neg] =~ /^(?:https?:\/\/)?%\.?pixiv(?:\.net(?:\/img)?)?(?:%\/img\/|%\/|(?=%$))(.+)$/i
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relation = relation.where("SourcePattern(lower(posts.source)) NOT LIKE lower(?) ESCAPE E'\\\\'", "pixiv/" + $1)
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else
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relation = relation.where("SourcePattern(lower(posts.source)) NOT LIKE SourcePattern(lower(?)) ESCAPE E'\\\\'", q[:source_neg])
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end
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end
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if q[:pool] == "none"
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relation = relation.where("posts.pool_string = ''")
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elsif q[:pool] == "any"
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relation = relation.where("posts.pool_string != ''")
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end
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if q[:saved_searches]
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relation = add_saved_search_relation(q[:saved_searches], relation)
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end
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if q[:uploader_id_neg]
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relation = relation.where("posts.uploader_id not in (?)", q[:uploader_id_neg])
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end
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if q[:uploader_id]
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relation = relation.where("posts.uploader_id = ?", q[:uploader_id])
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end
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if q[:approver_id_neg]
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relation = relation.where("posts.approver_id not in (?)", q[:approver_id_neg])
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end
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if q[:approver_id]
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if q[:approver_id] == "any"
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relation = relation.where("posts.approver_id is not null")
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elsif q[:approver_id] == "none"
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relation = relation.where("posts.approver_id is null")
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else
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relation = relation.where("posts.approver_id = ?", q[:approver_id])
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end
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end
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if q[:flagger_ids_neg]
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q[:flagger_ids_neg].each do |flagger_id|
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if CurrentUser.can_view_flagger?(flagger_id)
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post_ids = PostFlag.unscoped.search({:creator_id => flagger_id, :category => "normal"}).reorder("").select {|flag| flag.not_uploaded_by?(CurrentUser.id)}.map {|flag| flag.post_id}.uniq
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if post_ids.any?
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relation = relation.where("posts.id NOT IN (?)", post_ids)
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end
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end
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end
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end
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if q[:flagger_ids]
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q[:flagger_ids].each do |flagger_id|
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if flagger_id == "any"
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relation = relation.where('EXISTS (' + PostFlag.unscoped.search({:category => "normal"}).where('post_id = posts.id').reorder('').select('1').to_sql + ')')
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elsif flagger_id == "none"
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relation = relation.where('NOT EXISTS (' + PostFlag.unscoped.search({:category => "normal"}).where('post_id = posts.id').reorder('').select('1').to_sql + ')')
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elsif CurrentUser.can_view_flagger?(flagger_id)
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post_ids = PostFlag.unscoped.search({:creator_id => flagger_id, :category => "normal"}).reorder("").select {|flag| flag.not_uploaded_by?(CurrentUser.id)}.map {|flag| flag.post_id}.uniq
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relation = relation.where("posts.id IN (?)", post_ids)
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end
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end
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end
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if q[:appealer_ids_neg]
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q[:appealer_ids_neg].each do |appealer_id|
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relation = relation.where("posts.id NOT IN (?)", PostAppeal.unscoped.where(creator_id: appealer_id).select(:post_id).distinct)
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end
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end
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if q[:appealer_ids]
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q[:appealer_ids].each do |appealer_id|
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if appealer_id == "any"
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relation = relation.where('EXISTS (' + PostAppeal.unscoped.where('post_id = posts.id').select('1').to_sql + ')')
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elsif appealer_id == "none"
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relation = relation.where('NOT EXISTS (' + PostAppeal.unscoped.where('post_id = posts.id').select('1').to_sql + ')')
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else
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relation = relation.where("posts.id IN (?)", PostAppeal.unscoped.where(creator_id: appealer_id).select(:post_id).distinct)
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end
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end
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end
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if q[:commenter_ids]
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q[:commenter_ids].each do |commenter_id|
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if commenter_id == "any"
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relation = relation.where("posts.last_commented_at is not null")
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elsif commenter_id == "none"
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relation = relation.where("posts.last_commented_at is null")
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else
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relation = relation.where("posts.id": Comment.unscoped.where(creator_id: commenter_id).select(:post_id).distinct)
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end
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end
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end
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if q[:noter_ids]
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q[:noter_ids].each do |noter_id|
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if noter_id == "any"
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relation = relation.where("posts.last_noted_at is not null")
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elsif noter_id == "none"
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relation = relation.where("posts.last_noted_at is null")
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else
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relation = relation.where("posts.id": Note.unscoped.where(creator_id: noter_id).select("post_id").distinct)
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end
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end
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end
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if q[:note_updater_ids]
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q[:note_updater_ids].each do |note_updater_id|
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relation = relation.where("posts.id IN (?)", NoteVersion.unscoped.where("updater_id = ?", note_updater_id).select("post_id").uniq)
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end
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end
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if q[:artcomm_ids]
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q[:artcomm_ids].each do |artcomm_id|
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relation = relation.where("posts.id IN (?)", ArtistCommentaryVersion.unscoped.where("updater_id = ?", artcomm_id).select("post_id").uniq)
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end
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end
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if q[:post_id_negated]
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relation = relation.where("posts.id <> ?", q[:post_id_negated])
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end
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if q[:parent] == "none"
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relation = relation.where("posts.parent_id IS NULL")
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elsif q[:parent] == "any"
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relation = relation.where("posts.parent_id IS NOT NULL")
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elsif q[:parent]
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relation = relation.where("(posts.id = ? or posts.parent_id = ?)", q[:parent].to_i, q[:parent].to_i)
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end
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if q[:parent_neg_ids]
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neg_ids = q[:parent_neg_ids].map(&:to_i)
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neg_ids.delete(0)
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if neg_ids.present?
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relation = relation.where("posts.id not in (?) and (posts.parent_id is null or posts.parent_id not in (?))", neg_ids, neg_ids)
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end
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end
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if q[:child] == "none"
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relation = relation.where("posts.has_children = FALSE")
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elsif q[:child] == "any"
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relation = relation.where("posts.has_children = TRUE")
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end
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if q[:rating] =~ /^q/
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relation = relation.where("posts.rating = 'q'")
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elsif q[:rating] =~ /^s/
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relation = relation.where("posts.rating = 's'")
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elsif q[:rating] =~ /^e/
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relation = relation.where("posts.rating = 'e'")
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end
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if q[:rating_negated] =~ /^q/
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relation = relation.where("posts.rating <> 'q'")
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elsif q[:rating_negated] =~ /^s/
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relation = relation.where("posts.rating <> 's'")
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elsif q[:rating_negated] =~ /^e/
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relation = relation.where("posts.rating <> 'e'")
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end
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if q[:locked] == "rating"
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relation = relation.where("posts.is_rating_locked = TRUE")
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elsif q[:locked] == "note" || q[:locked] == "notes"
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relation = relation.where("posts.is_note_locked = TRUE")
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elsif q[:locked] == "status"
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relation = relation.where("posts.is_status_locked = TRUE")
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end
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if q[:locked_negated] == "rating"
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relation = relation.where("posts.is_rating_locked = FALSE")
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elsif q[:locked_negated] == "note" || q[:locked_negated] == "notes"
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relation = relation.where("posts.is_note_locked = FALSE")
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elsif q[:locked_negated] == "status"
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relation = relation.where("posts.is_status_locked = FALSE")
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end
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relation = add_tag_string_search_relation(q[:tags], relation)
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if q[:ordpool].present?
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pool_id = q[:ordpool].to_i
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relation = relation.order("position(' '||posts.id||' ' in ' '||(select post_ids from pools where id = #{pool_id})||' ')")
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end
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if q[:favgroups_neg].present?
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q[:favgroups_neg].each do |favgroup_rec|
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favgroup_id = favgroup_rec.to_i
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favgroup = FavoriteGroup.where("favorite_groups.id = ?", favgroup_id).first
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if favgroup
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relation = relation.where("posts.id NOT in (?)", favgroup.post_id_array)
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end
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end
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end
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if q[:favgroups].present?
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q[:favgroups].each do |favgroup_rec|
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favgroup_id = favgroup_rec.to_i
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favgroup = FavoriteGroup.where("favorite_groups.id = ?", favgroup_id).first
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if favgroup
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relation = relation.where("posts.id in (?)", favgroup.post_id_array)
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end
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end
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end
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if q[:upvote].present?
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user_id = q[:upvote]
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post_ids = PostVote.where(:user_id => user_id).where("score > 0").limit(400).pluck(:post_id)
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relation = relation.where("posts.id in (?)", post_ids)
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end
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if q[:downvote].present?
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user_id = q[:downvote]
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post_ids = PostVote.where(:user_id => user_id).where("score < 0").limit(400).pluck(:post_id)
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relation = relation.where("posts.id in (?)", post_ids)
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end
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if q[:ordfav].present?
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user_id = q[:ordfav].to_i
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relation = relation.joins("INNER JOIN favorites ON favorites.post_id = posts.id")
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relation = relation.where("favorites.user_id % 100 = ? and favorites.user_id = ?", user_id % 100, user_id).order("favorites.id DESC")
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end
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# HACK: if we're using a date: or age: metatag, default to ordering by
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# created_at instead of id so that the query will use the created_at index.
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if q[:date].present? || q[:age].present?
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case q[:order]
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when "id", "id_asc"
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q[:order] = "created_at_asc"
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when "id_desc", nil
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q[:order] = "created_at_desc"
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end
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end
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if q[:order] == "rank"
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relation = relation.where("posts.score > 0 and posts.created_at >= ?", 2.days.ago)
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elsif q[:order] == "landscape" || q[:order] == "portrait"
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relation = relation.where("posts.image_width IS NOT NULL and posts.image_height IS NOT NULL")
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end
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case q[:order]
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when "id", "id_asc"
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relation = relation.order("posts.id ASC")
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when "id_desc"
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relation = relation.order("posts.id DESC")
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when "score", "score_desc"
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relation = relation.order("posts.score DESC, posts.id DESC")
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when "score_asc"
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relation = relation.order("posts.score ASC, posts.id ASC")
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when "favcount"
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relation = relation.order("posts.fav_count DESC, posts.id DESC")
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when "favcount_asc"
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relation = relation.order("posts.fav_count ASC, posts.id ASC")
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when "created_at", "created_at_desc"
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relation = relation.order("posts.created_at DESC")
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when "created_at_asc"
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relation = relation.order("posts.created_at ASC")
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when "change", "change_desc"
|
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relation = relation.order("posts.updated_at DESC, posts.id DESC")
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when "change_asc"
|
|
relation = relation.order("posts.updated_at ASC, posts.id ASC")
|
|
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when "comment", "comm"
|
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relation = relation.order("posts.last_commented_at DESC NULLS LAST, posts.id DESC")
|
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when "comment_asc", "comm_asc"
|
|
relation = relation.order("posts.last_commented_at ASC NULLS LAST, posts.id ASC")
|
|
|
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when "comment_bumped"
|
|
relation = relation.order("posts.last_comment_bumped_at DESC NULLS LAST")
|
|
|
|
when "comment_bumped_asc"
|
|
relation = relation.order("posts.last_comment_bumped_at ASC NULLS FIRST")
|
|
|
|
when "note"
|
|
relation = relation.order("posts.last_noted_at DESC NULLS LAST")
|
|
|
|
when "note_asc"
|
|
relation = relation.order("posts.last_noted_at ASC NULLS FIRST")
|
|
|
|
when "artcomm"
|
|
relation = relation.joins("INNER JOIN artist_commentaries ON artist_commentaries.post_id = posts.id")
|
|
relation = relation.order("artist_commentaries.updated_at DESC")
|
|
|
|
when "artcomm_asc"
|
|
relation = relation.joins("INNER JOIN artist_commentaries ON artist_commentaries.post_id = posts.id")
|
|
relation = relation.order("artist_commentaries.updated_at ASC")
|
|
|
|
when "mpixels", "mpixels_desc"
|
|
relation = relation.where("posts.image_width is not null and posts.image_height is not null")
|
|
# Use "w*h/1000000", even though "w*h" would give the same result, so this can use
|
|
# the posts_mpixels index.
|
|
relation = relation.order("posts.image_width * posts.image_height / 1000000.0 DESC")
|
|
|
|
when "mpixels_asc"
|
|
relation = relation.where("posts.image_width is not null and posts.image_height is not null")
|
|
relation = relation.order("posts.image_width * posts.image_height / 1000000.0 ASC")
|
|
|
|
when "portrait"
|
|
relation = relation.order("1.0 * posts.image_width / GREATEST(1, posts.image_height) ASC")
|
|
|
|
when "landscape"
|
|
relation = relation.order("1.0 * posts.image_width / GREATEST(1, posts.image_height) DESC")
|
|
|
|
when "filesize", "filesize_desc"
|
|
relation = relation.order("posts.file_size DESC")
|
|
|
|
when "filesize_asc"
|
|
relation = relation.order("posts.file_size ASC")
|
|
|
|
when "tagcount", "tagcount_desc"
|
|
relation = relation.order("posts.tag_count DESC")
|
|
|
|
when "tagcount_asc"
|
|
relation = relation.order("posts.tag_count ASC")
|
|
|
|
when /(#{TagCategory.short_name_regex})tags(?:\Z|_desc)/
|
|
relation = relation.order("posts.tag_count_#{TagCategory.short_name_mapping[$1]} DESC")
|
|
|
|
when /(#{TagCategory.short_name_regex})tags_asc/
|
|
relation = relation.order("posts.tag_count_#{TagCategory.short_name_mapping[$1]} ASC")
|
|
|
|
when "rank"
|
|
relation = relation.order("log(3, posts.score) + (extract(epoch from posts.created_at) - extract(epoch from timestamp '2005-05-24')) / 35000 DESC")
|
|
|
|
else
|
|
relation = relation.order("posts.id DESC")
|
|
end
|
|
|
|
relation
|
|
end
|
|
end
|