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Redmine 3.4.4

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Manuel Cillero 2018-02-02 22:19:29 +01:00
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lib/plugins/acts_as_searchable/init.rb Normal file
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require File.dirname(__FILE__) + '/lib/acts_as_searchable'
ActiveRecord::Base.send(:include, Redmine::Acts::Searchable)

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lib/plugins/acts_as_searchable/lib/acts_as_searchable.rb Normal file
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# Redmine - project management software
# Copyright (C) 2006-2017 Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
module Redmine
module Acts
module Searchable
def self.included(base)
base.extend ClassMethods
end
module ClassMethods
# Adds the search methods to the class.
#
# Options:
# * :columns - a column or an array of columns to search
# * :project_key - project foreign key (default to project_id)
# * :date_column - name of the datetime column used to sort results (default to :created_on)
# * :permission - permission required to search the model
# * :scope - scope used to search results
# * :preload - associations to preload when loading results for display
def acts_as_searchable(options = {})
return if self.included_modules.include?(Redmine::Acts::Searchable::InstanceMethods)
options.assert_valid_keys(:columns, :project_key, :date_column, :permission, :scope, :preload)
cattr_accessor :searchable_options
self.searchable_options = options
if searchable_options[:columns].nil?
raise 'No searchable column defined.'
elsif !searchable_options[:columns].is_a?(Array)
searchable_options[:columns] = [] << searchable_options[:columns]
end
searchable_options[:project_key] ||= "#{table_name}.project_id"
searchable_options[:date_column] ||= :created_on
# Should we search additional associations on this model ?
searchable_options[:search_custom_fields] = reflect_on_association(:custom_values).present?
searchable_options[:search_attachments] = reflect_on_association(:attachments).present?
searchable_options[:search_journals] = reflect_on_association(:journals).present?
send :include, Redmine::Acts::Searchable::InstanceMethods
end
end
module InstanceMethods
def self.included(base)
base.extend ClassMethods
end
module ClassMethods
# Searches the model for the given tokens and user visibility.
# The projects argument can be either nil (will search all projects), a project or an array of projects.
# Returns an array that contains the rank and id of all results.
# In current implementation, the rank is the record timestamp converted as an integer.
#
# Valid options:
# * :titles_only - searches tokens in the first searchable column only
# * :all_words - searches results that match all token
# * :
# * :limit - maximum number of results to return
#
# Example:
# Issue.search_result_ranks_and_ids("foo")
# # => [[1419595329, 69], [1419595622, 123]]
def search_result_ranks_and_ids(tokens, user=User.current, projects=nil, options={})
tokens = [] << tokens unless tokens.is_a?(Array)
projects = [] << projects if projects.is_a?(Project)
columns = searchable_options[:columns]
columns = columns[0..0] if options[:titles_only]
r = []
queries = 0
unless options[:attachments] == 'only'
r = fetch_ranks_and_ids(
search_scope(user, projects, options).
where(search_tokens_condition(columns, tokens, options[:all_words])),
options[:limit]
)
queries += 1
if !options[:titles_only] && searchable_options[:search_custom_fields]
searchable_custom_fields = CustomField.where(:type => "#{self.name}CustomField", :searchable => true).to_a
if searchable_custom_fields.any?
fields_by_visibility = searchable_custom_fields.group_by {|field|
field.visibility_by_project_condition(searchable_options[:project_key], user, "#{CustomValue.table_name}.custom_field_id")
}
clauses = []
fields_by_visibility.each do |visibility, fields|
clauses << "(#{CustomValue.table_name}.custom_field_id IN (#{fields.map(&:id).join(',')}) AND (#{visibility}))"
end
visibility = clauses.join(' OR ')
r |= fetch_ranks_and_ids(
search_scope(user, projects, options).
joins(:custom_values).
where(visibility).
where(search_tokens_condition(["#{CustomValue.table_name}.value"], tokens, options[:all_words])),
options[:limit]
)
queries += 1
end
end
if !options[:titles_only] && searchable_options[:search_journals]
r |= fetch_ranks_and_ids(
search_scope(user, projects, options).
joins(:journals).
where("#{Journal.table_name}.private_notes = ? OR (#{Project.allowed_to_condition(user, :view_private_notes)})", false).
where(search_tokens_condition(["#{Journal.table_name}.notes"], tokens, options[:all_words])),
options[:limit]
)
queries += 1
end
end
if searchable_options[:search_attachments] && (options[:titles_only] ? options[:attachments] == 'only' : options[:attachments] != '0')
r |= fetch_ranks_and_ids(
search_scope(user, projects, options).
joins(:attachments).
where(search_tokens_condition(["#{Attachment.table_name}.filename", "#{Attachment.table_name}.description"], tokens, options[:all_words])),
options[:limit]
)
queries += 1
end
if queries > 1
r = r.sort.reverse
if options[:limit] && r.size > options[:limit]
r = r[0, options[:limit]]
end
end
r
end
def search_tokens_condition(columns, tokens, all_words)
token_clauses = columns.map {|column| "(#{search_token_match_statement(column)})"}
sql = (['(' + token_clauses.join(' OR ') + ')'] * tokens.size).join(all_words ? ' AND ' : ' OR ')
[sql, * (tokens.collect {|w| "%#{w}%"} * token_clauses.size).sort]
end
private :search_tokens_condition
def search_token_match_statement(column, value='?')
Redmine::Database.like(column, value)
end
private :search_token_match_statement
def fetch_ranks_and_ids(scope, limit)
scope.
reorder(searchable_options[:date_column] => :desc, :id => :desc).
limit(limit).
distinct.
pluck(searchable_options[:date_column], :id).
# converts timestamps to integers for faster sort
map {|timestamp, id| [timestamp.to_i, id]}
end
private :fetch_ranks_and_ids
# Returns the search scope for user and projects
def search_scope(user, projects, options={})
if projects.is_a?(Array) && projects.empty?
# no results
return none
end
scope = (searchable_options[:scope] || self)
if scope.is_a? Proc
scope = scope.call(options)
end
if respond_to?(:visible) && !searchable_options.has_key?(:permission)
scope = scope.visible(user)
else
permission = searchable_options[:permission] || :view_project
scope = scope.where(Project.allowed_to_condition(user, permission))
end
if projects
scope = scope.where("#{searchable_options[:project_key]} IN (?)", projects.map(&:id))
end
scope
end
private :search_scope
# Returns search results of given ids
def search_results_from_ids(ids)
where(:id => ids).preload(searchable_options[:preload]).to_a
end
# Returns search results with same arguments as search_result_ranks_and_ids
def search_results(*args)
ranks_and_ids = search_result_ranks_and_ids(*args)
search_results_from_ids(ranks_and_ids.map(&:last))
end
end
end
end
end
end