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# redMine - project management software
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# Copyright (C) 2006-2007 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Query < ActiveRecord::Base
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belongs_to :project
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belongs_to :user
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serialize :filters
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attr_protected :project, :user
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validates_presence_of :name, :on => :save
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@@operators = { "=" => :label_equals,
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"!" => :label_not_equals,
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"o" => :label_open_issues,
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"c" => :label_closed_issues,
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"!*" => :label_none,
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"*" => :label_all,
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"<t+" => :label_in_less_than,
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">t+" => :label_in_more_than,
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"t+" => :label_in,
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"t" => :label_today,
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">t-" => :label_less_than_ago,
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"<t-" => :label_more_than_ago,
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"t-" => :label_ago,
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"~" => :label_contains,
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"!~" => :label_not_contains }
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cattr_reader :operators
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@@operators_by_filter_type = { :list => [ "=", "!" ],
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:list_status => [ "o", "=", "!", "c", "*" ],
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:list_optional => [ "=", "!", "!*", "*" ],
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:list_one_or_more => [ "*", "=" ],
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:date => [ "<t+", ">t+", "t+", "t", ">t-", "<t-", "t-" ],
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:date_past => [ ">t-", "<t-", "t-", "t" ],
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:string => [ "=", "~", "!", "!~" ],
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:text => [ "~", "!~" ] }
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cattr_reader :operators_by_filter_type
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def initialize(attributes = nil)
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super attributes
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self.filters ||= { 'status_id' => {:operator => "o", :values => [""]} }
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self.is_public = true
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end
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def validate
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filters.each_key do |field|
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errors.add label_for(field), :activerecord_error_blank unless
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# filter requires one or more values
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(values_for(field) and !values_for(field).first.empty?) or
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# filter doesn't require any value
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["o", "c", "!*", "*", "t"].include? operator_for(field)
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end if filters
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end
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def available_filters
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return @available_filters if @available_filters
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@available_filters = { "status_id" => { :type => :list_status, :order => 1, :values => IssueStatus.find(:all, :order => 'position').collect{|s| [s.name, s.id.to_s] } },
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"tracker_id" => { :type => :list, :order => 2, :values => Tracker.find(:all, :order => 'position').collect{|s| [s.name, s.id.to_s] } },
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"priority_id" => { :type => :list, :order => 3, :values => Enumeration.find(:all, :conditions => ['opt=?','IPRI']).collect{|s| [s.name, s.id.to_s] } },
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"subject" => { :type => :text, :order => 8 },
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"created_on" => { :type => :date_past, :order => 9 },
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"updated_on" => { :type => :date_past, :order => 10 },
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"start_date" => { :type => :date, :order => 11 },
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"due_date" => { :type => :date, :order => 12 } }
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unless project.nil?
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# project specific filters
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@available_filters["assigned_to_id"] = { :type => :list_optional, :order => 4, :values => @project.users.collect{|s| [s.name, s.id.to_s] } }
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@available_filters["author_id"] = { :type => :list, :order => 5, :values => @project.users.collect{|s| [s.name, s.id.to_s] } }
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@available_filters["category_id"] = { :type => :list_optional, :order => 6, :values => @project.issue_categories.collect{|s| [s.name, s.id.to_s] } }
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@available_filters["fixed_version_id"] = { :type => :list_optional, :order => 7, :values => @project.versions.collect{|s| [s.name, s.id.to_s] } }
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unless @project.children.empty?
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@available_filters["subproject_id"] = { :type => :list_one_or_more, :order => 13, :values => @project.children.collect{|s| [s.name, s.id.to_s] } }
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end
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@project.all_custom_fields.select(&:is_filter?).each do |field|
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case field.field_format
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when "string", "int"
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options = { :type => :string, :order => 20 }
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when "text"
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options = { :type => :text, :order => 20 }
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when "list"
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options = { :type => :list_optional, :values => field.possible_values, :order => 20}
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when "date"
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options = { :type => :date, :order => 20 }
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when "bool"
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options = { :type => :list, :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]], :order => 20 }
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end
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@available_filters["cf_#{field.id}"] = options.merge({ :name => field.name })
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end
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# remove category filter if no category defined
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@available_filters.delete "category_id" if @available_filters["category_id"][:values].empty?
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end
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@available_filters
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end
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def add_filter(field, operator, values)
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# values must be an array
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return unless values and values.is_a? Array # and !values.first.empty?
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# check if field is defined as an available filter
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if available_filters.has_key? field
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filter_options = available_filters[field]
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# check if operator is allowed for that filter
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#if @@operators_by_filter_type[filter_options[:type]].include? operator
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# allowed_values = values & ([""] + (filter_options[:values] || []).collect {|val| val[1]})
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# filters[field] = {:operator => operator, :values => allowed_values } if (allowed_values.first and !allowed_values.first.empty?) or ["o", "c", "!*", "*", "t"].include? operator
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#end
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filters[field] = {:operator => operator, :values => values }
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end
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end
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def add_short_filter(field, expression)
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return unless expression
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parms = expression.scan(/^(o|c|\!|\*)?(.*)$/).first
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add_filter field, (parms[0] || "="), [parms[1] || ""]
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end
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def has_filter?(field)
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filters and filters[field]
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end
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def operator_for(field)
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has_filter?(field) ? filters[field][:operator] : nil
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end
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def values_for(field)
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has_filter?(field) ? filters[field][:values] : nil
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end
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def label_for(field)
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label = @available_filters[field][:name] if @available_filters.has_key?(field)
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label ||= field.gsub(/\_id$/, "")
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end
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def statement
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sql = "1=1"
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if has_filter?("subproject_id")
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subproject_ids = []
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if operator_for("subproject_id") == "="
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subproject_ids = values_for("subproject_id").each(&:to_i)
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else
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subproject_ids = project.children.collect{|p| p.id}
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end
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sql << " AND #{Issue.table_name}.project_id IN (%d,%s)" % [project.id, subproject_ids.join(",")] if project
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else
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sql << " AND #{Issue.table_name}.project_id=%d" % project.id if project
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end
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filters.each_key do |field|
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next if field == "subproject_id"
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v = values_for field
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next unless v and !v.empty?
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sql = sql + " AND " unless sql.empty?
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sql << "("
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if field =~ /^cf_(\d+)$/
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# custom field
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db_table = CustomValue.table_name
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db_field = "value"
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sql << "#{db_table}.custom_field_id = #{$1} AND "
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else
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# regular field
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db_table = Issue.table_name
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db_field = field
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end
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case operator_for field
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when "="
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sql = sql + "#{db_table}.#{db_field} IN (" + v.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")"
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when "!"
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sql = sql + "#{db_table}.#{db_field} NOT IN (" + v.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")"
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when "!*"
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sql = sql + "#{db_table}.#{db_field} IS NULL"
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when "*"
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sql = sql + "#{db_table}.#{db_field} IS NOT NULL"
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when "o"
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sql = sql + "#{IssueStatus.table_name}.is_closed=#{connection.quoted_false}" if field == "status_id"
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when "c"
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sql = sql + "#{IssueStatus.table_name}.is_closed=#{connection.quoted_true}" if field == "status_id"
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when ">t-"
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sql = sql + "#{db_table}.#{db_field} >= '%s'" % connection.quoted_date(Date.today - v.first.to_i)
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when "<t-"
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sql = sql + "#{db_table}.#{db_field} BETWEEN '#{connection.quoted_date(Date.new(0))}' AND '" + (Date.today - v.first.to_i).strftime("%Y-%m-%d") + "'"
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when "t-"
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sql = sql + "#{db_table}.#{db_field} = '" + (Date.today - v.first.to_i).strftime("%Y-%m-%d") + "'"
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when ">t+"
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sql = sql + "#{db_table}.#{db_field} >= '" + (Date.today + v.first.to_i).strftime("%Y-%m-%d") + "'"
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when "<t+"
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sql = sql + "#{db_table}.#{db_field} BETWEEN '#{connection.quoted_date(Date.new(0))}' AND '" + (Date.today + v.first.to_i).strftime("%Y-%m-%d") + "'"
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when "t+"
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sql = sql + "#{db_table}.#{db_field} = '" + (Date.today + v.first.to_i).strftime("%Y-%m-%d") + "'"
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when "t"
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sql = sql + "#{db_table}.#{db_field} = '%s'" % connection.quoted_date(Date.today)
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when "~"
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sql = sql + "#{db_table}.#{db_field} LIKE '%#{connection.quote_string(v.first)}%'"
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when "!~"
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sql = sql + "#{db_table}.#{db_field} NOT LIKE '%#{connection.quote_string(v.first)}%'"
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end
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sql << ")"
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end if filters and valid?
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sql
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end
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end
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