scinote-web/app/models/table.rb
2016-07-21 13:11:15 +02:00

80 lines
2.4 KiB
Ruby

class Table < ActiveRecord::Base
include SearchableModel
validates :contents,
presence: true,
length: { maximum: 20971520 }
belongs_to :created_by, foreign_key: 'created_by_id', class_name: 'User'
belongs_to :last_modified_by, foreign_key: 'last_modified_by_id', class_name: 'User'
has_one :step_table, inverse_of: :table
has_one :step, through: :step_table
has_one :result_table, inverse_of: :table
has_one :result, through: :result_table
has_many :report_elements, inverse_of: :table, dependent: :destroy
after_save :update_ts_index
#accepts_nested_attributes_for :table
def self.search(user, include_archived, query = nil, page = 1)
step_ids =
Step
.search(user, include_archived, nil, SHOW_ALL_RESULTS)
.joins(:step_tables)
.select("step_tables.id")
.distinct
result_ids =
Result
.search(user, include_archived, nil, SHOW_ALL_RESULTS)
.joins(:result_table)
.select("result_tables.id")
.distinct
# Trim whitespace and replace it with OR character. Make prefixed
# wildcard search term and escape special characters.
# For example, search term 'demo project' is transformed to
# 'demo:*|project:*' which makes word inclusive search with postfix
# wildcard.
s_query = query.gsub(/[!()&|:]/, " ")
.strip
.split(/\s+/)
.map {|t| t + ":*" }
.join("|")
.gsub('\'', '"')
table_query = Table
.distinct
.joins("LEFT OUTER JOIN step_tables ON step_tables.table_id = tables.id")
.joins("LEFT OUTER JOIN result_tables ON result_tables.table_id = tables.id")
.joins("LEFT OUTER JOIN results ON result_tables.result_id = results.id")
.where("step_tables.id IN (?) OR result_tables.id IN (?)", step_ids, result_ids)
.where("tables.data_vector @@ to_tsquery(?) ", s_query)
new_query = table_query
# Show all results if needed
if page == SHOW_ALL_RESULTS
new_query
else
new_query
.limit(SEARCH_LIMIT)
.offset((page - 1) * SEARCH_LIMIT)
end
end
def contents_utf_8
contents.present? ? contents.force_encoding(Encoding::UTF_8) : nil
end
def update_ts_index
if contents_changed?
sql = "UPDATE tables " +
"SET data_vector = " +
"to_tsvector(substring(encode(contents::bytea, 'escape'), 9)) " +
"WHERE id = " + Integer(id).to_s
Table.connection.execute(sql)
end
end
end