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# redMine - project management software
# Copyright (C) 2006 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 Query < ActiveRecord::Base
belongs_to :project
belongs_to :user
serialize :filters
attr_protected :project, :user
validates_presence_of :name, :on => :save
@@operators = { "=" => :label_equals,
"!" => :label_not_equals,
"o" => :label_open_issues,
"c" => :label_closed_issues,
"!*" => :label_none,
"*" => :label_all,
"<t+" => :label_in_less_than,
">t+" => :label_in_more_than,
"t+" => :label_in,
"t" => :label_today,
">t-" => :label_less_than_ago,
"<t-" => :label_more_than_ago,
"t-" => :label_ago,
"~" => :label_contains,
"!~" => :label_not_contains }
cattr_reader :operators
@@operators_by_filter_type = { :list => [ "=", "!" ],
:list_status => [ "o", "=", "!", "c", "*" ],
:list_optional => [ "=", "!", "!*", "*" ],
:date => [ "<t+", ">t+", "t+", "t", ">t-", "<t-", "t-" ],
:date_past => [ ">t-", "<t-", "t-", "t" ],
:text => [ "~", "!~" ] }
cattr_reader :operators_by_filter_type
def initialize(attributes = nil)
super attributes
self.filters ||= { 'status_id' => {:operator => "o", :values => [""]} }
self.is_public = true
end
def validate
filters.each_key do |field|
errors.add field.gsub(/\_id$/, ""), :activerecord_error_blank unless
# filter requires one or more values
(values_for(field) and !values_for(field).first.empty?) or
# filter doesn't require any value
["o", "c", "!*", "*", "t"].include? operator_for(field)
end if filters
end
def available_filters
return @available_filters if @available_filters
@available_filters = { "status_id" => { :type => :list_status, :order => 1, :values => IssueStatus.find(:all, :order => 'position').collect{|s| [s.name, s.id.to_s] } },
"tracker_id" => { :type => :list, :order => 2, :values => Tracker.find(:all).collect{|s| [s.name, s.id.to_s] } },
"priority_id" => { :type => :list, :order => 3, :values => Enumeration.find(:all, :conditions => ['opt=?','IPRI']).collect{|s| [s.name, s.id.to_s] } },
"subject" => { :type => :text, :order => 8 },
"created_on" => { :type => :date_past, :order => 9 },
"updated_on" => { :type => :date_past, :order => 10 },
"start_date" => { :type => :date, :order => 11 },
"due_date" => { :type => :date, :order => 12 } }
unless project.nil?
# project specific filters
@available_filters["assigned_to_id"] = { :type => :list_optional, :order => 4, :values => @project.users.collect{|s| [s.name, s.id.to_s] } }
@available_filters["author_id"] = { :type => :list, :order => 5, :values => @project.users.collect{|s| [s.name, s.id.to_s] } }
@available_filters["category_id"] = { :type => :list_optional, :order => 6, :values => @project.issue_categories.collect{|s| [s.name, s.id.to_s] } }
@available_filters["fixed_version_id"] = { :type => :list_optional, :order => 7, :values => @project.versions.collect{|s| [s.name, s.id.to_s] } }
# remove category filter if no category defined
@available_filters.delete "category_id" if @available_filters["category_id"][:values].empty?
end
@available_filters
end
def add_filter(field, operator, values)
# values must be an array
return unless values and values.is_a? Array # and !values.first.empty?
# check if field is defined as an available filter
if available_filters.has_key? field
filter_options = available_filters[field]
# check if operator is allowed for that filter
#if @@operators_by_filter_type[filter_options[:type]].include? operator
# allowed_values = values & ([""] + (filter_options[:values] || []).collect {|val| val[1]})
# filters[field] = {:operator => operator, :values => allowed_values } if (allowed_values.first and !allowed_values.first.empty?) or ["o", "c", "!*", "*", "t"].include? operator
#end
filters[field] = {:operator => operator, :values => values }
end
end
def add_short_filter(field, expression)
return unless expression
parms = expression.scan(/^(o|c|\!|\*)?(.*)$/).first
add_filter field, (parms[0] || "="), [parms[1] || ""]
end
def has_filter?(field)
filters and filters[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 statement
sql = "1=1"
sql << " AND issues.project_id=%d" % project.id if project
filters.each_key do |field|
v = values_for field
next unless v and !v.empty?
sql = sql + " AND " unless sql.empty?
case operator_for field
when "="
sql = sql + "issues.#{field} IN (" + v.each(&:to_i).join(",") + ")"
when "!"
sql = sql + "issues.#{field} NOT IN (" + v.each(&:to_i).join(",") + ")"
when "!*"
sql = sql + "issues.#{field} IS NULL"
when "*"
sql = sql + "issues.#{field} IS NOT NULL"
when "o"
sql = sql + "issue_statuses.is_closed=#{connection.quoted_false}" if field == "status_id"
when "c"
sql = sql + "issue_statuses.is_closed=#{connection.quoted_true}" if field == "status_id"
when ">t-"
sql = sql + "issues.#{field} >= '%s'" % connection.quoted_date(Date.today - v.first.to_i)
when "<t-"
sql = sql + "issues.#{field} <= '" + (Date.today - v.first.to_i).strftime("%Y-%m-%d") + "'"
when "t-"
sql = sql + "issues.#{field} = '" + (Date.today - v.first.to_i).strftime("%Y-%m-%d") + "'"
when ">t+"
sql = sql + "issues.#{field} >= '" + (Date.today + v.first.to_i).strftime("%Y-%m-%d") + "'"
when "<t+"
sql = sql + "issues.#{field} <= '" + (Date.today + v.first.to_i).strftime("%Y-%m-%d") + "'"
when "t+"
sql = sql + "issues.#{field} = '" + (Date.today + v.first.to_i).strftime("%Y-%m-%d") + "'"
when "t"
sql = sql + "issues.#{field} = '%s'" % connection.quoted_date(Date.today)
when "~"
sql = sql + "issues.#{field} LIKE '%#{connection.quote_string(v.first)}%'"
when "!~"
sql = sql + "issues.#{field} NOT LIKE '%#{connection.quote_string(v.first)}%'"
end
end if filters and valid?
sql
end
end
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