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Update the issue subject when choosing an issue from the drop down menu....
Update the issue subject when choosing an issue from the drop down menu. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11083 e93f8b46-1217-0410-a6f0-8f06a7374b81
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query.rb
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# Redmine - project management software
# Copyright (C) 2006-2012 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.
class QueryColumn
attr_accessor :name, :sortable, :groupable, :default_order
include Redmine::I18n
def initialize(name, options={})
self.name = name
self.sortable = options[:sortable]
self.groupable = options[:groupable] || false
if groupable == true
self.groupable = name.to_s
end
self.default_order = options[:default_order]
@inline = options.key?(:inline) ? options[:inline] : true
@caption_key = options[:caption] || "field_#{name}"
end
def caption
l(@caption_key)
end
# Returns true if the column is sortable, otherwise false
def sortable?
!@sortable.nil?
end
def sortable
@sortable.is_a?(Proc) ? @sortable.call : @sortable
end
def inline?
@inline
end
def value(object)
object.send name
end
def css_classes
name
end
end
class QueryCustomFieldColumn < QueryColumn
def initialize(custom_field)
self.name = "cf_#{custom_field.id}".to_sym
self.sortable = custom_field.order_statement || false
self.groupable = custom_field.group_statement || false
@inline = true
@cf = custom_field
end
def caption
@cf.name
end
def custom_field
@cf
end
def value(object)
cv = object.custom_values.select {|v| v.custom_field_id == @cf.id}.collect {|v| @cf.cast_value(v.value)}
cv.size > 1 ? cv.sort {|a,b| a.to_s <=> b.to_s} : cv.first
end
def css_classes
@css_classes ||= "#{name} #{@cf.field_format}"
end
end
class Query < ActiveRecord::Base
class StatementInvalid < ::ActiveRecord::StatementInvalid
end
belongs_to :project
belongs_to :user
serialize :filters
serialize :column_names
serialize :sort_criteria, Array
attr_protected :project_id, :user_id
validates_presence_of :name
validates_length_of :name, :maximum => 255
validate :validate_query_filters
class_attribute :operators
self.operators = {
"=" => :label_equals,
"!" => :label_not_equals,
"o" => :label_open_issues,
"c" => :label_closed_issues,
"!*" => :label_none,
"*" => :label_any,
">=" => :label_greater_or_equal,
"<=" => :label_less_or_equal,
"><" => :label_between,
"<t+" => :label_in_less_than,
">t+" => :label_in_more_than,
"><t+"=> :label_in_the_next_days,
"t+" => :label_in,
"t" => :label_today,
"ld" => :label_yesterday,
"w" => :label_this_week,
"lw" => :label_last_week,
"l2w" => [:label_last_n_weeks, {:count => 2}],
"m" => :label_this_month,
"lm" => :label_last_month,
"y" => :label_this_year,
">t-" => :label_less_than_ago,
"<t-" => :label_more_than_ago,
"><t-"=> :label_in_the_past_days,
"t-" => :label_ago,
"~" => :label_contains,
"!~" => :label_not_contains,
"=p" => :label_any_issues_in_project,
"=!p" => :label_any_issues_not_in_project,
"!p" => :label_no_issues_in_project
}
class_attribute :operators_by_filter_type
self.operators_by_filter_type = {
:list => [ "=", "!" ],
:list_status => [ "o", "=", "!", "c", "*" ],
:list_optional => [ "=", "!", "!*", "*" ],
:list_subprojects => [ "*", "!*", "=" ],
:date => [ "=", ">=", "<=", "><", "<t+", ">t+", "><t+", "t+", "t", "ld", "w", "lw", "l2w", "m", "lm", "y", ">t-", "<t-", "><t-", "t-", "!*", "*" ],
:date_past => [ "=", ">=", "<=", "><", ">t-", "<t-", "><t-", "t-", "t", "ld", "w", "lw", "l2w", "m", "lm", "y", "!*", "*" ],
:string => [ "=", "~", "!", "!~", "!*", "*" ],
:text => [ "~", "!~", "!*", "*" ],
:integer => [ "=", ">=", "<=", "><", "!*", "*" ],
:float => [ "=", ">=", "<=", "><", "!*", "*" ],
:relation => ["=", "=p", "=!p", "!p", "!*", "*"]
}
class_attribute :available_columns
self.available_columns = []
class_attribute :queried_class
def queried_table_name
@queried_table_name ||= self.class.queried_class.table_name
end
def initialize(attributes=nil, *args)
super attributes
@is_for_all = project.nil?
end
# Builds the query from the given params
def build_from_params(params)
if params[:fields] || params[:f]
self.filters = {}
add_filters(params[:fields] || params[:f], params[:operators] || params[:op], params[:values] || params[:v])
else
available_filters.keys.each do |field|
add_short_filter(field, params[field]) if params[field]
end
end
self.group_by = params[:group_by] || (params[:query] && params[:query][:group_by])
self.column_names = params[:c] || (params[:query] && params[:query][:column_names])
self
end
# Builds a new query from the given params and attributes
def self.build_from_params(params, attributes={})
new(attributes).build_from_params(params)
end
def validate_query_filters
filters.each_key do |field|
if values_for(field)
case type_for(field)
when :integer
add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^[+-]?\d+$/) }
when :float
add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^[+-]?\d+(\.\d*)?$/) }
when :date, :date_past
case operator_for(field)
when "=", ">=", "<=", "><"
add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && (!v.match(/^\d{4}-\d{2}-\d{2}$/) || (Date.parse(v) rescue nil).nil?) }
when ">t-", "<t-", "t-", ">t+", "<t+", "t+", "><t+", "><t-"
add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^\d+$/) }
end
end
end
add_filter_error(field, :blank) unless
# filter requires one or more values
(values_for(field) and !values_for(field).first.blank?) or
# filter doesn't require any value
["o", "c", "!*", "*", "t", "ld", "w", "lw", "l2w", "m", "lm", "y"].include? operator_for(field)
end if filters
end
def add_filter_error(field, message)
m = label_for(field) + " " + l(message, :scope => 'activerecord.errors.messages')
errors.add(:base, m)
end
def editable_by?(user)
return false unless user
# Admin can edit them all and regular users can edit their private queries
return true if user.admin? || (!is_public && self.user_id == user.id)
# Members can not edit public queries that are for all project (only admin is allowed to)
is_public && !@is_for_all && user.allowed_to?(:manage_public_queries, project)
end
def trackers
@trackers ||= project.nil? ? Tracker.sorted.all : project.rolled_up_trackers
end
# Returns a hash of localized labels for all filter operators
def self.operators_labels
operators.inject({}) {|h, operator| h[operator.first] = l(*operator.last); h}
end
# Returns a representation of the available filters for JSON serialization
def available_filters_as_json
json = {}
available_filters.each do |field, options|
json[field] = options.slice(:type, :name, :values).stringify_keys
end
json
end
def all_projects
@all_projects ||= Project.visible.all
end
def all_projects_values
return @all_projects_values if @all_projects_values
values = []
Project.project_tree(all_projects) do |p, level|
prefix = (level > 0 ? ('--' * level + ' ') : '')
values << ["#{prefix}#{p.name}", p.id.to_s]
end
@all_projects_values = values
end
def add_filter(field, operator, values=nil)
# values must be an array
return unless values.nil? || values.is_a?(Array)
# check if field is defined as an available filter
if available_filters.has_key? field
filter_options = available_filters[field]
filters[field] = {:operator => operator, :values => (values || [''])}
end
end
def add_short_filter(field, expression)
return unless expression && available_filters.has_key?(field)
field_type = available_filters[field][:type]
operators_by_filter_type[field_type].sort.reverse.detect do |operator|
next unless expression =~ /^#{Regexp.escape(operator)}(.*)$/
add_filter field, operator, $1.present? ? $1.split('|') : ['']
end || add_filter(field, '=', expression.split('|'))
end
# Add multiple filters using +add_filter+
def add_filters(fields, operators, values)
if fields.is_a?(Array) && operators.is_a?(Hash) && (values.nil? || values.is_a?(Hash))
fields.each do |field|
add_filter(field, operators[field], values && values[field])
end
end
end
def has_filter?(field)
filters and filters[field]
end
def type_for(field)
available_filters[field][:type] if available_filters.has_key?(field)
end
def operator_for(field)
has_filter?(field) ? filters[field][:operator] : nil
end
def values_for(field)
has_filter?(field) ? filters[field][:values] : nil
end
def value_for(field, index=0)
(values_for(field) || [])[index]
end
def label_for(field)
label = available_filters[field][:name] if available_filters.has_key?(field)
label ||= l("field_#{field.to_s.gsub(/_id$/, '')}", :default => field)
end
def self.add_available_column(column)
self.available_columns << (column) if column.is_a?(QueryColumn)
end
# Returns an array of columns that can be used to group the results
def groupable_columns
available_columns.select {|c| c.groupable}
end
# Returns a Hash of columns and the key for sorting
def sortable_columns
available_columns.inject({}) {|h, column|
h[column.name.to_s] = column.sortable
h
}
end
def columns
# preserve the column_names order
(has_default_columns? ? default_columns_names : column_names).collect do |name|
available_columns.find { |col| col.name == name }
end.compact
end
def inline_columns
columns.select(&:inline?)
end
def block_columns
columns.reject(&:inline?)
end
def available_inline_columns
available_columns.select(&:inline?)
end
def available_block_columns
available_columns.reject(&:inline?)
end
def default_columns_names
[]
end
def column_names=(names)
if names
names = names.select {|n| n.is_a?(Symbol) || !n.blank? }
names = names.collect {|n| n.is_a?(Symbol) ? n : n.to_sym }
# Set column_names to nil if default columns
if names == default_columns_names
names = nil
end
end
write_attribute(:column_names, names)
end
def has_column?(column)
column_names && column_names.include?(column.is_a?(QueryColumn) ? column.name : column)
end
def has_default_columns?
column_names.nil? || column_names.empty?
end
def sort_criteria=(arg)
c = []
if arg.is_a?(Hash)
arg = arg.keys.sort.collect {|k| arg[k]}
end
c = arg.select {|k,o| !k.to_s.blank?}.slice(0,3).collect {|k,o| [k.to_s, (o == 'desc' || o == false) ? 'desc' : 'asc']}
write_attribute(:sort_criteria, c)
end
def sort_criteria
read_attribute(:sort_criteria) || []
end
def sort_criteria_key(arg)
sort_criteria && sort_criteria[arg] && sort_criteria[arg].first
end
def sort_criteria_order(arg)
sort_criteria && sort_criteria[arg] && sort_criteria[arg].last
end
def sort_criteria_order_for(key)
sort_criteria.detect {|k, order| key.to_s == k}.try(:last)
end
# Returns the SQL sort order that should be prepended for grouping
def group_by_sort_order
if grouped? && (column = group_by_column)
order = sort_criteria_order_for(column.name) || column.default_order
column.sortable.is_a?(Array) ?
column.sortable.collect {|s| "#{s} #{order}"}.join(',') :
"#{column.sortable} #{order}"
end
end
# Returns true if the query is a grouped query
def grouped?
!group_by_column.nil?
end
def group_by_column
groupable_columns.detect {|c| c.groupable && c.name.to_s == group_by}
end
def group_by_statement
group_by_column.try(:groupable)
end
def project_statement
project_clauses = []
if project && !project.descendants.active.empty?
ids = [project.id]
if has_filter?("subproject_id")
case operator_for("subproject_id")
when '='
# include the selected subprojects
ids += values_for("subproject_id").each(&:to_i)
when '!*'
# main project only
else
# all subprojects
ids += project.descendants.collect(&:id)
end
elsif Setting.display_subprojects_issues?
ids += project.descendants.collect(&:id)
end
project_clauses << "#{Project.table_name}.id IN (%s)" % ids.join(',')
elsif project
project_clauses << "#{Project.table_name}.id = %d" % project.id
end
project_clauses.any? ? project_clauses.join(' AND ') : nil
end
def statement
# filters clauses
filters_clauses = []
filters.each_key do |field|
next if field == "subproject_id"
v = values_for(field).clone
next unless v and !v.empty?
operator = operator_for(field)
# "me" value subsitution
if %w(assigned_to_id author_id user_id watcher_id).include?(field)
if v.delete("me")
if User.current.logged?
v.push(User.current.id.to_s)
v += User.current.group_ids.map(&:to_s) if field == 'assigned_to_id'
else
v.push("0")
end
end
end
if field == 'project_id'
if v.delete('mine')
v += User.current.memberships.map(&:project_id).map(&:to_s)
end
end
if field =~ /cf_(\d+)$/
# custom field
filters_clauses << sql_for_custom_field(field, operator, v, $1)
elsif respond_to?("sql_for_#{field}_field")
# specific statement
filters_clauses << send("sql_for_#{field}_field", field, operator, v)
else
# regular field
filters_clauses << '(' + sql_for_field(field, operator, v, queried_table_name, field) + ')'
end
end if filters and valid?
filters_clauses << project_statement
filters_clauses.reject!(&:blank?)
filters_clauses.any? ? filters_clauses.join(' AND ') : nil
end
private
def sql_for_custom_field(field, operator, value, custom_field_id)
db_table = CustomValue.table_name
db_field = 'value'
filter = @available_filters[field]
return nil unless filter
if filter[:format] == 'user'
if value.delete('me')
value.push User.current.id.to_s
end
end
not_in = nil
if operator == '!'
# Makes ! operator work for custom fields with multiple values
operator = '='
not_in = 'NOT'
end
customized_key = "id"
customized_class = queried_class
if field =~ /^(.+)\.cf_/
assoc = $1
customized_key = "#{assoc}_id"
customized_class = queried_class.reflect_on_association(assoc.to_sym).klass.base_class rescue nil
raise "Unknown #{queried_class.name} association #{assoc}" unless customized_class
end
"#{queried_table_name}.#{customized_key} #{not_in} IN (SELECT #{customized_class.table_name}.id FROM #{customized_class.table_name} LEFT OUTER JOIN #{db_table} ON #{db_table}.customized_type='#{customized_class}' AND #{db_table}.customized_id=#{customized_class.table_name}.id AND #{db_table}.custom_field_id=#{custom_field_id} WHERE " +
sql_for_field(field, operator, value, db_table, db_field, true) + ')'
end
# Helper method to generate the WHERE sql for a +field+, +operator+ and a +value+
def sql_for_field(field, operator, value, db_table, db_field, is_custom_filter=false)
sql = ''
case operator
when "="
if value.any?
case type_for(field)
when :date, :date_past
sql = date_clause(db_table, db_field, (Date.parse(value.first) rescue nil), (Date.parse(value.first) rescue nil))
when :integer
if is_custom_filter
sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) = #{value.first.to_i})"
else
sql = "#{db_table}.#{db_field} = #{value.first.to_i}"
end
when :float
if is_custom_filter
sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) BETWEEN #{value.first.to_f - 1e-5} AND #{value.first.to_f + 1e-5})"
else
sql = "#{db_table}.#{db_field} BETWEEN #{value.first.to_f - 1e-5} AND #{value.first.to_f + 1e-5}"
end
else
sql = "#{db_table}.#{db_field} IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")"
end
else
# IN an empty set
sql = "1=0"
end
when "!"
if value.any?
sql = "(#{db_table}.#{db_field} IS NULL OR #{db_table}.#{db_field} NOT IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + "))"
else
# NOT IN an empty set
sql = "1=1"
end
when "!*"
sql = "#{db_table}.#{db_field} IS NULL"
sql << " OR #{db_table}.#{db_field} = ''" if is_custom_filter
when "*"
sql = "#{db_table}.#{db_field} IS NOT NULL"
sql << " AND #{db_table}.#{db_field} <> ''" if is_custom_filter
when ">="
if [:date, :date_past].include?(type_for(field))
sql = date_clause(db_table, db_field, (Date.parse(value.first) rescue nil), nil)
else
if is_custom_filter
sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) >= #{value.first.to_f})"
else
sql = "#{db_table}.#{db_field} >= #{value.first.to_f}"
end
end
when "<="
if [:date, :date_past].include?(type_for(field))
sql = date_clause(db_table, db_field, nil, (Date.parse(value.first) rescue nil))
else
if is_custom_filter
sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) <= #{value.first.to_f})"
else
sql = "#{db_table}.#{db_field} <= #{value.first.to_f}"
end
end
when "><"
if [:date, :date_past].include?(type_for(field))
sql = date_clause(db_table, db_field, (Date.parse(value[0]) rescue nil), (Date.parse(value[1]) rescue nil))
else
if is_custom_filter
sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) BETWEEN #{value[0].to_f} AND #{value[1].to_f})"
else
sql = "#{db_table}.#{db_field} BETWEEN #{value[0].to_f} AND #{value[1].to_f}"
end
end
when "o"
sql = "#{queried_table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_false})" if field == "status_id"
when "c"
sql = "#{queried_table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_true})" if field == "status_id"
when "><t-"
# between today - n days and today
sql = relative_date_clause(db_table, db_field, - value.first.to_i, 0)
when ">t-"
# >= today - n days
sql = relative_date_clause(db_table, db_field, - value.first.to_i, nil)
when "<t-"
# <= today - n days
sql = relative_date_clause(db_table, db_field, nil, - value.first.to_i)
when "t-"
# = n days in past
sql = relative_date_clause(db_table, db_field, - value.first.to_i, - value.first.to_i)
when "><t+"
# between today and today + n days
sql = relative_date_clause(db_table, db_field, 0, value.first.to_i)
when ">t+"
# >= today + n days
sql = relative_date_clause(db_table, db_field, value.first.to_i, nil)
when "<t+"
# <= today + n days
sql = relative_date_clause(db_table, db_field, nil, value.first.to_i)
when "t+"
# = today + n days
sql = relative_date_clause(db_table, db_field, value.first.to_i, value.first.to_i)
when "t"
# = today
sql = relative_date_clause(db_table, db_field, 0, 0)
when "ld"
# = yesterday
sql = relative_date_clause(db_table, db_field, -1, -1)
when "w"
# = this week
first_day_of_week = l(:general_first_day_of_week).to_i
day_of_week = Date.today.cwday
days_ago = (day_of_week >= first_day_of_week ? day_of_week - first_day_of_week : day_of_week + 7 - first_day_of_week)
sql = relative_date_clause(db_table, db_field, - days_ago, - days_ago + 6)
when "lw"
# = last week
first_day_of_week = l(:general_first_day_of_week).to_i
day_of_week = Date.today.cwday
days_ago = (day_of_week >= first_day_of_week ? day_of_week - first_day_of_week : day_of_week + 7 - first_day_of_week)
sql = relative_date_clause(db_table, db_field, - days_ago - 7, - days_ago - 1)
when "l2w"
# = last 2 weeks
first_day_of_week = l(:general_first_day_of_week).to_i
day_of_week = Date.today.cwday
days_ago = (day_of_week >= first_day_of_week ? day_of_week - first_day_of_week : day_of_week + 7 - first_day_of_week)
sql = relative_date_clause(db_table, db_field, - days_ago - 14, - days_ago - 1)
when "m"
# = this month
date = Date.today
sql = date_clause(db_table, db_field, date.beginning_of_month, date.end_of_month)
when "lm"
# = last month
date = Date.today.prev_month
sql = date_clause(db_table, db_field, date.beginning_of_month, date.end_of_month)
when "y"
# = this year
date = Date.today
sql = date_clause(db_table, db_field, date.beginning_of_year, date.end_of_year)
when "~"
sql = "LOWER(#{db_table}.#{db_field}) LIKE '%#{connection.quote_string(value.first.to_s.downcase)}%'"
when "!~"
sql = "LOWER(#{db_table}.#{db_field}) NOT LIKE '%#{connection.quote_string(value.first.to_s.downcase)}%'"
else
raise "Unknown query operator #{operator}"
end
return sql
end
def add_custom_fields_filters(custom_fields, assoc=nil)
return unless custom_fields.present?
@available_filters ||= {}
custom_fields.select(&:is_filter?).each do |field|
case field.field_format
when "text"
options = { :type => :text, :order => 20 }
when "list"
options = { :type => :list_optional, :values => field.possible_values, :order => 20}
when "date"
options = { :type => :date, :order => 20 }
when "bool"
options = { :type => :list, :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]], :order => 20 }
when "int"
options = { :type => :integer, :order => 20 }
when "float"
options = { :type => :float, :order => 20 }
when "user", "version"
next unless project
values = field.possible_values_options(project)
if User.current.logged? && field.field_format == 'user'
values.unshift ["<< #{l(:label_me)} >>", "me"]
end
options = { :type => :list_optional, :values => values, :order => 20}
else
options = { :type => :string, :order => 20 }
end
filter_id = "cf_#{field.id}"
filter_name = field.name
if assoc.present?
filter_id = "#{assoc}.#{filter_id}"
filter_name = l("label_attribute_of_#{assoc}", :name => filter_name)
end
@available_filters[filter_id] = options.merge({
:name => filter_name,
:format => field.field_format,
:field => field
})
end
end
def add_associations_custom_fields_filters(*associations)
fields_by_class = CustomField.where(:is_filter => true).group_by(&:class)
associations.each do |assoc|
association_klass = queried_class.reflect_on_association(assoc).klass
fields_by_class.each do |field_class, fields|
if field_class.customized_class <= association_klass
add_custom_fields_filters(fields, assoc)
end
end
end
end
# Returns a SQL clause for a date or datetime field.
def date_clause(table, field, from, to)
s = []
if from
from_yesterday = from - 1
from_yesterday_time = Time.local(from_yesterday.year, from_yesterday.month, from_yesterday.day)
if self.class.default_timezone == :utc
from_yesterday_time = from_yesterday_time.utc
end
s << ("#{table}.#{field} > '%s'" % [connection.quoted_date(from_yesterday_time.end_of_day)])
end
if to
to_time = Time.local(to.year, to.month, to.day)
if self.class.default_timezone == :utc
to_time = to_time.utc
end
s << ("#{table}.#{field} <= '%s'" % [connection.quoted_date(to_time.end_of_day)])
end
s.join(' AND ')
end
# Returns a SQL clause for a date or datetime field using relative dates.
def relative_date_clause(table, field, days_from, days_to)
date_clause(table, field, (days_from ? Date.today + days_from : nil), (days_to ? Date.today + days_to : nil))
end
# Additional joins required for the given sort options
def joins_for_order_statement(order_options)
joins = []
if order_options
if order_options.include?('authors')
joins << "LEFT OUTER JOIN #{User.table_name} authors ON authors.id = #{queried_table_name}.author_id"
end
order_options.scan(/cf_\d+/).uniq.each do |name|
column = available_columns.detect {|c| c.name.to_s == name}
join = column && column.custom_field.join_for_order_statement
if join
joins << join
end
end
end
joins.any? ? joins.join(' ') : nil
end
end