Chris@0: # Redmine - project management software
Chris@1115: # Copyright (C) 2006-2012  Jean-Philippe Lang
Chris@0: #
Chris@0: # This program is free software; you can redistribute it and/or
Chris@0: # modify it under the terms of the GNU General Public License
Chris@0: # as published by the Free Software Foundation; either version 2
Chris@0: # of the License, or (at your option) any later version.
Chris@441: #
Chris@0: # This program is distributed in the hope that it will be useful,
Chris@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@0: # GNU General Public License for more details.
Chris@441: #
Chris@0: # You should have received a copy of the GNU General Public License
Chris@0: # along with this program; if not, write to the Free Software
Chris@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@0: 
Chris@441: class QueryColumn
Chris@0:   attr_accessor :name, :sortable, :groupable, :default_order
Chris@0:   include Redmine::I18n
Chris@441: 
Chris@0:   def initialize(name, options={})
Chris@0:     self.name = name
Chris@0:     self.sortable = options[:sortable]
Chris@0:     self.groupable = options[:groupable] || false
Chris@0:     if groupable == true
Chris@0:       self.groupable = name.to_s
Chris@0:     end
Chris@0:     self.default_order = options[:default_order]
Chris@1115:     @inline = options.key?(:inline) ? options[:inline] : true
Chris@0:     @caption_key = options[:caption] || "field_#{name}"
Chris@0:   end
Chris@441: 
Chris@0:   def caption
Chris@0:     l(@caption_key)
Chris@0:   end
Chris@441: 
Chris@0:   # Returns true if the column is sortable, otherwise false
Chris@0:   def sortable?
Chris@909:     !@sortable.nil?
Chris@909:   end
Chris@1115: 
Chris@909:   def sortable
Chris@909:     @sortable.is_a?(Proc) ? @sortable.call : @sortable
Chris@0:   end
Chris@441: 
Chris@1115:   def inline?
Chris@1115:     @inline
Chris@1115:   end
Chris@1115: 
Chris@0:   def value(issue)
Chris@0:     issue.send name
Chris@0:   end
Chris@441: 
Chris@441:   def css_classes
Chris@441:     name
Chris@441:   end
Chris@0: end
Chris@0: 
Chris@0: class QueryCustomFieldColumn < QueryColumn
Chris@0: 
Chris@0:   def initialize(custom_field)
Chris@0:     self.name = "cf_#{custom_field.id}".to_sym
Chris@0:     self.sortable = custom_field.order_statement || false
Chris@1115:     self.groupable = custom_field.group_statement || false
Chris@1115:     @inline = true
Chris@0:     @cf = custom_field
Chris@0:   end
Chris@441: 
Chris@0:   def caption
Chris@0:     @cf.name
Chris@0:   end
Chris@441: 
Chris@0:   def custom_field
Chris@0:     @cf
Chris@0:   end
Chris@441: 
Chris@0:   def value(issue)
Chris@1115:     cv = issue.custom_values.select {|v| v.custom_field_id == @cf.id}.collect {|v| @cf.cast_value(v.value)}
Chris@1115:     cv.size > 1 ? cv.sort {|a,b| a.to_s <=> b.to_s} : cv.first
Chris@0:   end
Chris@441: 
Chris@441:   def css_classes
Chris@441:     @css_classes ||= "#{name} #{@cf.field_format}"
Chris@441:   end
Chris@0: end
Chris@0: 
Chris@0: class Query < ActiveRecord::Base
Chris@0:   class StatementInvalid < ::ActiveRecord::StatementInvalid
Chris@0:   end
Chris@441: 
Chris@0:   belongs_to :project
Chris@0:   belongs_to :user
Chris@0:   serialize :filters
Chris@0:   serialize :column_names
Chris@0:   serialize :sort_criteria, Array
Chris@441: 
Chris@0:   attr_protected :project_id, :user_id
Chris@441: 
Chris@1115:   validates_presence_of :name
Chris@0:   validates_length_of :name, :maximum => 255
Chris@909:   validate :validate_query_filters
Chris@441: 
Chris@441:   @@operators = { "="   => :label_equals,
Chris@0:                   "!"   => :label_not_equals,
Chris@0:                   "o"   => :label_open_issues,
Chris@0:                   "c"   => :label_closed_issues,
Chris@0:                   "!*"  => :label_none,
Chris@1115:                   "*"   => :label_any,
Chris@0:                   ">="  => :label_greater_or_equal,
Chris@0:                   "<="  => :label_less_or_equal,
Chris@909:                   "><"  => :label_between,
Chris@0:                   "<t+" => :label_in_less_than,
Chris@0:                   ">t+" => :label_in_more_than,
Chris@1115:                   "><t+"=> :label_in_the_next_days,
Chris@0:                   "t+"  => :label_in,
Chris@0:                   "t"   => :label_today,
Chris@0:                   "w"   => :label_this_week,
Chris@0:                   ">t-" => :label_less_than_ago,
Chris@0:                   "<t-" => :label_more_than_ago,
Chris@1115:                   "><t-"=> :label_in_the_past_days,
Chris@0:                   "t-"  => :label_ago,
Chris@0:                   "~"   => :label_contains,
Chris@1115:                   "!~"  => :label_not_contains,
Chris@1115:                   "=p"  => :label_any_issues_in_project,
Chris@1115:                   "=!p" => :label_any_issues_not_in_project,
Chris@1115:                   "!p"  => :label_no_issues_in_project}
Chris@0: 
Chris@0:   cattr_reader :operators
Chris@441: 
Chris@0:   @@operators_by_filter_type = { :list => [ "=", "!" ],
Chris@0:                                  :list_status => [ "o", "=", "!", "c", "*" ],
Chris@0:                                  :list_optional => [ "=", "!", "!*", "*" ],
Chris@0:                                  :list_subprojects => [ "*", "!*", "=" ],
Chris@1115:                                  :date => [ "=", ">=", "<=", "><", "<t+", ">t+", "><t+", "t+", "t", "w", ">t-", "<t-", "><t-", "t-", "!*", "*" ],
Chris@1115:                                  :date_past => [ "=", ">=", "<=", "><", ">t-", "<t-", "><t-", "t-", "t", "w", "!*", "*" ],
Chris@1115:                                  :string => [ "=", "~", "!", "!~", "!*", "*" ],
Chris@1115:                                  :text => [  "~", "!~", "!*", "*" ],
Chris@909:                                  :integer => [ "=", ">=", "<=", "><", "!*", "*" ],
Chris@1115:                                  :float => [ "=", ">=", "<=", "><", "!*", "*" ],
Chris@1115:                                  :relation => ["=", "=p", "=!p", "!p", "!*", "*"]}
Chris@0: 
Chris@0:   cattr_reader :operators_by_filter_type
Chris@0: 
Chris@0:   @@available_columns = [
Chris@0:     QueryColumn.new(:project, :sortable => "#{Project.table_name}.name", :groupable => true),
Chris@0:     QueryColumn.new(:tracker, :sortable => "#{Tracker.table_name}.position", :groupable => true),
Chris@0:     QueryColumn.new(:parent, :sortable => ["#{Issue.table_name}.root_id", "#{Issue.table_name}.lft ASC"], :default_order => 'desc', :caption => :field_parent_issue),
Chris@0:     QueryColumn.new(:status, :sortable => "#{IssueStatus.table_name}.position", :groupable => true),
Chris@0:     QueryColumn.new(:priority, :sortable => "#{IssuePriority.table_name}.position", :default_order => 'desc', :groupable => true),
Chris@0:     QueryColumn.new(:subject, :sortable => "#{Issue.table_name}.subject"),
Chris@909:     QueryColumn.new(:author, :sortable => lambda {User.fields_for_order_statement("authors")}, :groupable => true),
Chris@909:     QueryColumn.new(:assigned_to, :sortable => lambda {User.fields_for_order_statement}, :groupable => true),
Chris@0:     QueryColumn.new(:updated_on, :sortable => "#{Issue.table_name}.updated_on", :default_order => 'desc'),
Chris@0:     QueryColumn.new(:category, :sortable => "#{IssueCategory.table_name}.name", :groupable => true),
Chris@1115:     QueryColumn.new(:fixed_version, :sortable => lambda {Version.fields_for_order_statement}, :groupable => true),
Chris@0:     QueryColumn.new(:start_date, :sortable => "#{Issue.table_name}.start_date"),
Chris@0:     QueryColumn.new(:due_date, :sortable => "#{Issue.table_name}.due_date"),
Chris@0:     QueryColumn.new(:estimated_hours, :sortable => "#{Issue.table_name}.estimated_hours"),
Chris@0:     QueryColumn.new(:done_ratio, :sortable => "#{Issue.table_name}.done_ratio", :groupable => true),
Chris@0:     QueryColumn.new(:created_on, :sortable => "#{Issue.table_name}.created_on", :default_order => 'desc'),
Chris@1115:     QueryColumn.new(:relations, :caption => :label_related_issues),
Chris@1115:     QueryColumn.new(:description, :inline => false)
Chris@0:   ]
Chris@0:   cattr_reader :available_columns
Chris@441: 
Chris@1115:   scope :visible, lambda {|*args|
Chris@909:     user = args.shift || User.current
Chris@909:     base = Project.allowed_to_condition(user, :view_issues, *args)
Chris@909:     user_id = user.logged? ? user.id : 0
Chris@909:     {
Chris@909:       :conditions => ["(#{table_name}.project_id IS NULL OR (#{base})) AND (#{table_name}.is_public = ? OR #{table_name}.user_id = ?)", true, user_id],
Chris@909:       :include => :project
Chris@909:     }
Chris@909:   }
Chris@909: 
Chris@1115:   def initialize(attributes=nil, *args)
Chris@0:     super attributes
Chris@0:     self.filters ||= { 'status_id' => {:operator => "o", :values => [""]} }
Chris@0:     @is_for_all = project.nil?
Chris@0:   end
Chris@441: 
Chris@909:   def validate_query_filters
Chris@0:     filters.each_key do |field|
Chris@909:       if values_for(field)
Chris@909:         case type_for(field)
Chris@909:         when :integer
Chris@1115:           add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^[+-]?\d+$/) }
Chris@909:         when :float
Chris@1115:           add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^[+-]?\d+(\.\d*)?$/) }
Chris@909:         when :date, :date_past
Chris@909:           case operator_for(field)
Chris@909:           when "=", ">=", "<=", "><"
Chris@1115:             add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && (!v.match(/^\d{4}-\d{2}-\d{2}$/) || (Date.parse(v) rescue nil).nil?) }
Chris@1115:           when ">t-", "<t-", "t-", ">t+", "<t+", "t+", "><t+", "><t-"
Chris@1115:             add_filter_error(field, :invalid) if values_for(field).detect {|v| v.present? && !v.match(/^\d+$/) }
Chris@909:           end
Chris@909:         end
Chris@909:       end
Chris@909: 
Chris@1115:       add_filter_error(field, :blank) unless
Chris@0:           # filter requires one or more values
Chris@441:           (values_for(field) and !values_for(field).first.blank?) or
Chris@0:           # filter doesn't require any value
Chris@0:           ["o", "c", "!*", "*", "t", "w"].include? operator_for(field)
Chris@0:     end if filters
Chris@0:   end
Chris@909: 
Chris@1115:   def add_filter_error(field, message)
Chris@1115:     m = label_for(field) + " " + l(message, :scope => 'activerecord.errors.messages')
Chris@1115:     errors.add(:base, m)
Chris@1115:   end
Chris@1115: 
Chris@507:   # Returns true if the query is visible to +user+ or the current user.
Chris@507:   def visible?(user=User.current)
Chris@909:     (project.nil? || user.allowed_to?(:view_issues, project)) && (self.is_public? || self.user_id == user.id)
Chris@507:   end
Chris@441: 
Chris@0:   def editable_by?(user)
Chris@0:     return false unless user
Chris@0:     # Admin can edit them all and regular users can edit their private queries
Chris@0:     return true if user.admin? || (!is_public && self.user_id == user.id)
Chris@0:     # Members can not edit public queries that are for all project (only admin is allowed to)
Chris@0:     is_public && !@is_for_all && user.allowed_to?(:manage_public_queries, project)
Chris@0:   end
Chris@441: 
Chris@1115:   def trackers
Chris@1115:     @trackers ||= project.nil? ? Tracker.find(:all, :order => 'position') : project.rolled_up_trackers
Chris@1115:   end
Chris@1115: 
Chris@1115:   # Returns a hash of localized labels for all filter operators
Chris@1115:   def self.operators_labels
Chris@1115:     operators.inject({}) {|h, operator| h[operator.first] = l(operator.last); h}
Chris@1115:   end
Chris@1115: 
Chris@0:   def available_filters
Chris@0:     return @available_filters if @available_filters
Chris@1115:     @available_filters = {
Chris@1115:       "status_id" => {
Chris@1115:         :type => :list_status, :order => 0,
Chris@1115:         :values => IssueStatus.find(:all, :order => 'position').collect{|s| [s.name, s.id.to_s] }
Chris@1115:        },
Chris@1115:       "tracker_id" => {
Chris@1115:         :type => :list, :order => 2, :values => trackers.collect{|s| [s.name, s.id.to_s] }
Chris@1115:        },
Chris@1115:       "priority_id" => {
Chris@1115:         :type => :list, :order => 3, :values => IssuePriority.all.collect{|s| [s.name, s.id.to_s] }
Chris@1115:        },
Chris@1115:       "subject" => { :type => :text, :order => 8 },
Chris@1115:       "created_on" => { :type => :date_past, :order => 9 },
Chris@1115:       "updated_on" => { :type => :date_past, :order => 10 },
Chris@1115:       "start_date" => { :type => :date, :order => 11 },
Chris@1115:       "due_date" => { :type => :date, :order => 12 },
Chris@1115:       "estimated_hours" => { :type => :float, :order => 13 },
Chris@1115:       "done_ratio" =>  { :type => :integer, :order => 14 }
Chris@1115:     }
Chris@1115:     IssueRelation::TYPES.each do |relation_type, options|
Chris@1115:       @available_filters[relation_type] = {
Chris@1115:         :type => :relation, :order => @available_filters.size + 100,
Chris@1115:         :label => options[:name]
Chris@1115:       }
Chris@1115:     end
Chris@909:     principals = []
Chris@0:     if project
Chris@909:       principals += project.principals.sort
Chris@1115:       unless project.leaf?
Chris@1115:         subprojects = project.descendants.visible.all
Chris@1115:         if subprojects.any?
Chris@1115:           @available_filters["subproject_id"] = {
Chris@1115:             :type => :list_subprojects, :order => 13,
Chris@1115:             :values => subprojects.collect{|s| [s.name, s.id.to_s] }
Chris@1115:           }
Chris@1115:           principals += Principal.member_of(subprojects)
Chris@1115:         end
Chris@1115:       end
Chris@0:     else
Chris@119:       if all_projects.any?
Chris@119:         # members of visible projects
Chris@1115:         principals += Principal.member_of(all_projects)
Chris@119:         # project filter
Chris@119:         project_values = []
Chris@1115:         if User.current.logged? && User.current.memberships.any?
Chris@1115:           project_values << ["<< #{l(:label_my_projects).downcase} >>", "mine"]
Chris@119:         end
Chris@1115:         project_values += all_projects_values
Chris@1115:         @available_filters["project_id"] = {
Chris@1115:           :type => :list, :order => 1, :values => project_values
Chris@1115:         } unless project_values.empty?
Chris@0:       end
Chris@0:     end
Chris@1115:     principals.uniq!
Chris@1115:     principals.sort!
Chris@909:     users = principals.select {|p| p.is_a?(User)}
Chris@909: 
Chris@909:     assigned_to_values = []
Chris@909:     assigned_to_values << ["<< #{l(:label_me)} >>", "me"] if User.current.logged?
Chris@1115:     assigned_to_values += (Setting.issue_group_assignment? ?
Chris@1115:                               principals : users).collect{|s| [s.name, s.id.to_s] }
Chris@1115:     @available_filters["assigned_to_id"] = {
Chris@1115:       :type => :list_optional, :order => 4, :values => assigned_to_values
Chris@1115:     } unless assigned_to_values.empty?
Chris@909: 
Chris@909:     author_values = []
Chris@909:     author_values << ["<< #{l(:label_me)} >>", "me"] if User.current.logged?
Chris@909:     author_values += users.collect{|s| [s.name, s.id.to_s] }
Chris@1115:     @available_filters["author_id"] = {
Chris@1115:       :type => :list, :order => 5, :values => author_values
Chris@1115:     } unless author_values.empty?
chris@22: 
chris@37:     group_values = Group.all.collect {|g| [g.name, g.id.to_s] }
Chris@1115:     @available_filters["member_of_group"] = {
Chris@1115:       :type => :list_optional, :order => 6, :values => group_values
Chris@1115:     } unless group_values.empty?
chris@22: 
chris@37:     role_values = Role.givable.collect {|r| [r.name, r.id.to_s] }
Chris@1115:     @available_filters["assigned_to_role"] = {
Chris@1115:       :type => :list_optional, :order => 7, :values => role_values
Chris@1115:     } unless role_values.empty?
Chris@441: 
Chris@0:     if User.current.logged?
Chris@1115:       @available_filters["watcher_id"] = {
Chris@1115:         :type => :list, :order => 15, :values => [["<< #{l(:label_me)} >>", "me"]]
Chris@1115:       }
Chris@0:     end
Chris@441: 
Chris@0:     if project
Chris@0:       # project specific filters
Chris@909:       categories = project.issue_categories.all
Chris@441:       unless categories.empty?
Chris@1115:         @available_filters["category_id"] = {
Chris@1115:           :type => :list_optional, :order => 6,
Chris@1115:           :values => categories.collect{|s| [s.name, s.id.to_s] }
Chris@1115:         }
Chris@0:       end
Chris@909:       versions = project.shared_versions.all
Chris@441:       unless versions.empty?
Chris@1115:         @available_filters["fixed_version_id"] = {
Chris@1115:           :type => :list_optional, :order => 7,
Chris@1115:           :values => versions.sort.collect{|s| ["#{s.project.name} - #{s.name}", s.id.to_s] }
Chris@1115:         }
Chris@0:       end
Chris@909:       add_custom_fields_filters(project.all_issue_custom_fields)
Chris@0:     else
Chris@0:       # global filters for cross project issue list
Chris@0:       system_shared_versions = Version.visible.find_all_by_sharing('system')
Chris@0:       unless system_shared_versions.empty?
Chris@1115:         @available_filters["fixed_version_id"] = {
Chris@1115:           :type => :list_optional, :order => 7,
Chris@1115:           :values => system_shared_versions.sort.collect{|s|
Chris@1115:                                        ["#{s.project.name} - #{s.name}", s.id.to_s]
Chris@1115:                                      }
Chris@1115:         }
Chris@0:       end
Chris@1115:       add_custom_fields_filters(
Chris@1115:                    IssueCustomField.find(:all,
Chris@1115:                                          :conditions => {
Chris@1115:                                             :is_filter => true,
Chris@1115:                                             :is_for_all => true
Chris@1115:                                          }))
Chris@1115:     end
Chris@1115:     add_associations_custom_fields_filters :project, :author, :assigned_to, :fixed_version
Chris@1115:     if User.current.allowed_to?(:set_issues_private, nil, :global => true) ||
Chris@1115:       User.current.allowed_to?(:set_own_issues_private, nil, :global => true)
Chris@1115:       @available_filters["is_private"] = {
Chris@1115:         :type => :list, :order => 16,
Chris@1115:         :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]]
Chris@1115:       }
Chris@1115:     end
Chris@1115:     Tracker.disabled_core_fields(trackers).each {|field|
Chris@1115:       @available_filters.delete field
Chris@1115:     }
Chris@1115:     @available_filters.each do |field, options|
Chris@1115:       options[:name] ||= l(options[:label] || "field_#{field}".gsub(/_id$/, ''))
Chris@0:     end
Chris@0:     @available_filters
Chris@0:   end
Chris@441: 
Chris@1115:   # Returns a representation of the available filters for JSON serialization
Chris@1115:   def available_filters_as_json
Chris@1115:     json = {}
Chris@1115:     available_filters.each do |field, options|
Chris@1115:       json[field] = options.slice(:type, :name, :values).stringify_keys
Chris@1115:     end
Chris@1115:     json
Chris@1115:   end
Chris@1115: 
Chris@1115:   def all_projects
Chris@1115:     @all_projects ||= Project.visible.all
Chris@1115:   end
Chris@1115: 
Chris@1115:   def all_projects_values
Chris@1115:     return @all_projects_values if @all_projects_values
Chris@1115: 
Chris@1115:     values = []
Chris@1115:     Project.project_tree(all_projects) do |p, level|
Chris@1115:       prefix = (level > 0 ? ('--' * level + ' ') : '')
Chris@1115:       values << ["#{prefix}#{p.name}", p.id.to_s]
Chris@1115:     end
Chris@1115:     @all_projects_values = values
Chris@1115:   end
Chris@1115: 
Chris@0:   def add_filter(field, operator, values)
Chris@0:     # values must be an array
Chris@909:     return unless values.nil? || values.is_a?(Array)
Chris@0:     # check if field is defined as an available filter
Chris@0:     if available_filters.has_key? field
Chris@0:       filter_options = available_filters[field]
Chris@0:       # check if operator is allowed for that filter
Chris@0:       #if @@operators_by_filter_type[filter_options[:type]].include? operator
Chris@0:       #  allowed_values = values & ([""] + (filter_options[:values] || []).collect {|val| val[1]})
Chris@0:       #  filters[field] = {:operator => operator, :values => allowed_values } if (allowed_values.first and !allowed_values.first.empty?) or ["o", "c", "!*", "*", "t"].include? operator
Chris@0:       #end
Chris@909:       filters[field] = {:operator => operator, :values => (values || [''])}
Chris@0:     end
Chris@0:   end
Chris@441: 
Chris@0:   def add_short_filter(field, expression)
Chris@909:     return unless expression && available_filters.has_key?(field)
Chris@909:     field_type = available_filters[field][:type]
Chris@909:     @@operators_by_filter_type[field_type].sort.reverse.detect do |operator|
Chris@909:       next unless expression =~ /^#{Regexp.escape(operator)}(.*)$/
Chris@909:       add_filter field, operator, $1.present? ? $1.split('|') : ['']
Chris@909:     end || add_filter(field, '=', expression.split('|'))
Chris@0:   end
Chris@0: 
Chris@0:   # Add multiple filters using +add_filter+
Chris@0:   def add_filters(fields, operators, values)
Chris@909:     if fields.is_a?(Array) && operators.is_a?(Hash) && (values.nil? || values.is_a?(Hash))
chris@37:       fields.each do |field|
Chris@909:         add_filter(field, operators[field], values && values[field])
chris@37:       end
Chris@0:     end
Chris@0:   end
Chris@441: 
Chris@0:   def has_filter?(field)
Chris@0:     filters and filters[field]
Chris@0:   end
Chris@441: 
Chris@909:   def type_for(field)
Chris@909:     available_filters[field][:type] if available_filters.has_key?(field)
Chris@909:   end
Chris@909: 
Chris@0:   def operator_for(field)
Chris@0:     has_filter?(field) ? filters[field][:operator] : nil
Chris@0:   end
Chris@441: 
Chris@0:   def values_for(field)
Chris@0:     has_filter?(field) ? filters[field][:values] : nil
Chris@0:   end
Chris@441: 
Chris@909:   def value_for(field, index=0)
Chris@909:     (values_for(field) || [])[index]
Chris@909:   end
Chris@909: 
Chris@0:   def label_for(field)
Chris@0:     label = available_filters[field][:name] if available_filters.has_key?(field)
Chris@1115:     label ||= l("field_#{field.to_s.gsub(/_id$/, '')}", :default => field)
Chris@0:   end
Chris@0: 
Chris@0:   def available_columns
Chris@0:     return @available_columns if @available_columns
Chris@1115:     @available_columns = ::Query.available_columns.dup
Chris@909:     @available_columns += (project ?
Chris@0:                             project.all_issue_custom_fields :
Chris@0:                             IssueCustomField.find(:all)
Chris@441:                            ).collect {|cf| QueryCustomFieldColumn.new(cf) }
Chris@1115: 
Chris@1115:     if User.current.allowed_to?(:view_time_entries, project, :global => true)
Chris@1115:       index = nil
Chris@1115:       @available_columns.each_with_index {|column, i| index = i if column.name == :estimated_hours}
Chris@1115:       index = (index ? index + 1 : -1)
Chris@1115:       # insert the column after estimated_hours or at the end
Chris@1115:       @available_columns.insert index, QueryColumn.new(:spent_hours,
Chris@1115:         :sortable => "(SELECT COALESCE(SUM(hours), 0) FROM #{TimeEntry.table_name} WHERE #{TimeEntry.table_name}.issue_id = #{Issue.table_name}.id)",
Chris@1115:         :default_order => 'desc',
Chris@1115:         :caption => :label_spent_time
Chris@1115:       )
Chris@1115:     end
Chris@1115: 
Chris@1115:     if User.current.allowed_to?(:set_issues_private, nil, :global => true) ||
Chris@1115:       User.current.allowed_to?(:set_own_issues_private, nil, :global => true)
Chris@1115:       @available_columns << QueryColumn.new(:is_private, :sortable => "#{Issue.table_name}.is_private")
Chris@1115:     end
Chris@1115: 
Chris@1115:     disabled_fields = Tracker.disabled_core_fields(trackers).map {|field| field.sub(/_id$/, '')}
Chris@1115:     @available_columns.reject! {|column|
Chris@1115:       disabled_fields.include?(column.name.to_s)
Chris@1115:     }
Chris@1115: 
Chris@1115:     @available_columns
Chris@0:   end
Chris@0: 
Chris@0:   def self.available_columns=(v)
Chris@0:     self.available_columns = (v)
Chris@0:   end
Chris@441: 
Chris@0:   def self.add_available_column(column)
Chris@0:     self.available_columns << (column) if column.is_a?(QueryColumn)
Chris@0:   end
Chris@441: 
Chris@0:   # Returns an array of columns that can be used to group the results
Chris@0:   def groupable_columns
Chris@0:     available_columns.select {|c| c.groupable}
Chris@0:   end
Chris@0: 
Chris@0:   # Returns a Hash of columns and the key for sorting
Chris@0:   def sortable_columns
Chris@0:     {'id' => "#{Issue.table_name}.id"}.merge(available_columns.inject({}) {|h, column|
Chris@0:                                                h[column.name.to_s] = column.sortable
Chris@0:                                                h
Chris@0:                                              })
Chris@0:   end
Chris@441: 
Chris@0:   def columns
Chris@909:     # preserve the column_names order
Chris@909:     (has_default_columns? ? default_columns_names : column_names).collect do |name|
Chris@909:        available_columns.find { |col| col.name == name }
Chris@909:     end.compact
Chris@909:   end
Chris@909: 
Chris@1115:   def inline_columns
Chris@1115:     columns.select(&:inline?)
Chris@1115:   end
Chris@1115: 
Chris@1115:   def block_columns
Chris@1115:     columns.reject(&:inline?)
Chris@1115:   end
Chris@1115: 
Chris@1115:   def available_inline_columns
Chris@1115:     available_columns.select(&:inline?)
Chris@1115:   end
Chris@1115: 
Chris@1115:   def available_block_columns
Chris@1115:     available_columns.reject(&:inline?)
Chris@1115:   end
Chris@1115: 
Chris@909:   def default_columns_names
Chris@909:     @default_columns_names ||= begin
Chris@909:       default_columns = Setting.issue_list_default_columns.map(&:to_sym)
Chris@909: 
Chris@909:       project.present? ? default_columns : [:project] | default_columns
Chris@0:     end
Chris@0:   end
Chris@441: 
Chris@0:   def column_names=(names)
Chris@0:     if names
Chris@0:       names = names.select {|n| n.is_a?(Symbol) || !n.blank? }
Chris@0:       names = names.collect {|n| n.is_a?(Symbol) ? n : n.to_sym }
Chris@0:       # Set column_names to nil if default columns
Chris@909:       if names == default_columns_names
Chris@0:         names = nil
Chris@0:       end
Chris@0:     end
Chris@0:     write_attribute(:column_names, names)
Chris@0:   end
Chris@441: 
Chris@0:   def has_column?(column)
Chris@1115:     column_names && column_names.include?(column.is_a?(QueryColumn) ? column.name : column)
Chris@0:   end
Chris@441: 
Chris@0:   def has_default_columns?
Chris@0:     column_names.nil? || column_names.empty?
Chris@0:   end
Chris@441: 
Chris@0:   def sort_criteria=(arg)
Chris@0:     c = []
Chris@0:     if arg.is_a?(Hash)
Chris@0:       arg = arg.keys.sort.collect {|k| arg[k]}
Chris@0:     end
Chris@1115:     c = arg.select {|k,o| !k.to_s.blank?}.slice(0,3).collect {|k,o| [k.to_s, (o == 'desc' || o == false) ? 'desc' : 'asc']}
Chris@0:     write_attribute(:sort_criteria, c)
Chris@0:   end
Chris@441: 
Chris@0:   def sort_criteria
Chris@0:     read_attribute(:sort_criteria) || []
Chris@0:   end
Chris@441: 
Chris@0:   def sort_criteria_key(arg)
Chris@0:     sort_criteria && sort_criteria[arg] && sort_criteria[arg].first
Chris@0:   end
Chris@441: 
Chris@0:   def sort_criteria_order(arg)
Chris@0:     sort_criteria && sort_criteria[arg] && sort_criteria[arg].last
Chris@0:   end
Chris@441: 
Chris@1115:   def sort_criteria_order_for(key)
Chris@1115:     sort_criteria.detect {|k, order| key.to_s == k}.try(:last)
Chris@1115:   end
Chris@1115: 
Chris@0:   # Returns the SQL sort order that should be prepended for grouping
Chris@0:   def group_by_sort_order
Chris@0:     if grouped? && (column = group_by_column)
Chris@1115:       order = sort_criteria_order_for(column.name) || column.default_order
Chris@0:       column.sortable.is_a?(Array) ?
Chris@1115:         column.sortable.collect {|s| "#{s} #{order}"}.join(',') :
Chris@1115:         "#{column.sortable} #{order}"
Chris@0:     end
Chris@0:   end
Chris@441: 
Chris@0:   # Returns true if the query is a grouped query
Chris@0:   def grouped?
Chris@119:     !group_by_column.nil?
Chris@0:   end
Chris@441: 
Chris@0:   def group_by_column
Chris@119:     groupable_columns.detect {|c| c.groupable && c.name.to_s == group_by}
Chris@0:   end
Chris@441: 
Chris@0:   def group_by_statement
Chris@119:     group_by_column.try(:groupable)
Chris@0:   end
Chris@441: 
Chris@0:   def project_statement
Chris@0:     project_clauses = []
Chris@909:     if project && !project.descendants.active.empty?
Chris@0:       ids = [project.id]
Chris@0:       if has_filter?("subproject_id")
Chris@0:         case operator_for("subproject_id")
Chris@0:         when '='
Chris@0:           # include the selected subprojects
Chris@0:           ids += values_for("subproject_id").each(&:to_i)
Chris@0:         when '!*'
Chris@0:           # main project only
Chris@0:         else
Chris@0:           # all subprojects
Chris@0:           ids += project.descendants.collect(&:id)
Chris@0:         end
Chris@0:       elsif Setting.display_subprojects_issues?
Chris@0:         ids += project.descendants.collect(&:id)
Chris@0:       end
Chris@0:       project_clauses << "#{Project.table_name}.id IN (%s)" % ids.join(',')
Chris@0:     elsif project
Chris@0:       project_clauses << "#{Project.table_name}.id = %d" % project.id
Chris@0:     end
Chris@441:     project_clauses.any? ? project_clauses.join(' AND ') : nil
Chris@0:   end
Chris@0: 
Chris@0:   def statement
Chris@0:     # filters clauses
Chris@0:     filters_clauses = []
Chris@0:     filters.each_key do |field|
Chris@0:       next if field == "subproject_id"
Chris@0:       v = values_for(field).clone
Chris@0:       next unless v and !v.empty?
Chris@0:       operator = operator_for(field)
Chris@441: 
Chris@0:       # "me" value subsitution
Chris@0:       if %w(assigned_to_id author_id watcher_id).include?(field)
Chris@909:         if v.delete("me")
Chris@909:           if User.current.logged?
Chris@909:             v.push(User.current.id.to_s)
Chris@909:             v += User.current.group_ids.map(&:to_s) if field == 'assigned_to_id'
Chris@909:           else
Chris@909:             v.push("0")
Chris@909:           end
Chris@909:         end
Chris@0:       end
Chris@441: 
Chris@1115:       if field == 'project_id'
Chris@1115:         if v.delete('mine')
Chris@1115:           v += User.current.memberships.map(&:project_id).map(&:to_s)
Chris@1115:         end
Chris@1115:       end
Chris@1115: 
Chris@1115:       if field =~ /cf_(\d+)$/
Chris@0:         # custom field
Chris@909:         filters_clauses << sql_for_custom_field(field, operator, v, $1)
Chris@909:       elsif respond_to?("sql_for_#{field}_field")
Chris@909:         # specific statement
Chris@909:         filters_clauses << send("sql_for_#{field}_field", field, operator, v)
Chris@0:       else
Chris@0:         # regular field
Chris@909:         filters_clauses << '(' + sql_for_field(field, operator, v, Issue.table_name, field) + ')'
Chris@0:       end
Chris@0:     end if filters and valid?
Chris@441: 
Chris@441:     filters_clauses << project_statement
Chris@441:     filters_clauses.reject!(&:blank?)
Chris@441: 
Chris@441:     filters_clauses.any? ? filters_clauses.join(' AND ') : nil
Chris@0:   end
Chris@441: 
Chris@0:   # Returns the issue count
Chris@0:   def issue_count
Chris@909:     Issue.visible.count(:include => [:status, :project], :conditions => statement)
Chris@0:   rescue ::ActiveRecord::StatementInvalid => e
Chris@0:     raise StatementInvalid.new(e.message)
Chris@0:   end
Chris@441: 
Chris@0:   # Returns the issue count by group or nil if query is not grouped
Chris@0:   def issue_count_by_group
Chris@0:     r = nil
Chris@0:     if grouped?
Chris@0:       begin
Chris@1115:         # Rails3 will raise an (unexpected) RecordNotFound if there's only a nil group value
Chris@441:         r = Issue.visible.count(:group => group_by_statement, :include => [:status, :project], :conditions => statement)
Chris@0:       rescue ActiveRecord::RecordNotFound
Chris@0:         r = {nil => issue_count}
Chris@0:       end
Chris@0:       c = group_by_column
Chris@0:       if c.is_a?(QueryCustomFieldColumn)
Chris@0:         r = r.keys.inject({}) {|h, k| h[c.custom_field.cast_value(k)] = r[k]; h}
Chris@0:       end
Chris@0:     end
Chris@0:     r
Chris@0:   rescue ::ActiveRecord::StatementInvalid => e
Chris@0:     raise StatementInvalid.new(e.message)
Chris@0:   end
Chris@441: 
Chris@0:   # Returns the issues
Chris@0:   # Valid options are :order, :offset, :limit, :include, :conditions
Chris@0:   def issues(options={})
Chris@0:     order_option = [group_by_sort_order, options[:order]].reject {|s| s.blank?}.join(',')
Chris@0:     order_option = nil if order_option.blank?
Chris@441: 
Chris@1115:     issues = Issue.visible.scoped(:conditions => options[:conditions]).find :all, :include => ([:status, :project] + (options[:include] || [])).uniq,
Chris@909:                      :conditions => statement,
Chris@0:                      :order => order_option,
Chris@1115:                      :joins => joins_for_order_statement(order_option),
Chris@0:                      :limit  => options[:limit],
Chris@0:                      :offset => options[:offset]
Chris@1115: 
Chris@1115:     if has_column?(:spent_hours)
Chris@1115:       Issue.load_visible_spent_hours(issues)
Chris@1115:     end
Chris@1115:     if has_column?(:relations)
Chris@1115:       Issue.load_visible_relations(issues)
Chris@1115:     end
Chris@1115:     issues
Chris@1115:   rescue ::ActiveRecord::StatementInvalid => e
Chris@1115:     raise StatementInvalid.new(e.message)
Chris@1115:   end
Chris@1115: 
Chris@1115:   # Returns the issues ids
Chris@1115:   def issue_ids(options={})
Chris@1115:     order_option = [group_by_sort_order, options[:order]].reject {|s| s.blank?}.join(',')
Chris@1115:     order_option = nil if order_option.blank?
Chris@1115: 
Chris@1115:     Issue.visible.scoped(:conditions => options[:conditions]).scoped(:include => ([:status, :project] + (options[:include] || [])).uniq,
Chris@1115:                      :conditions => statement,
Chris@1115:                      :order => order_option,
Chris@1115:                      :joins => joins_for_order_statement(order_option),
Chris@1115:                      :limit  => options[:limit],
Chris@1115:                      :offset => options[:offset]).find_ids
Chris@0:   rescue ::ActiveRecord::StatementInvalid => e
Chris@0:     raise StatementInvalid.new(e.message)
Chris@0:   end
Chris@0: 
Chris@0:   # Returns the journals
Chris@0:   # Valid options are :order, :offset, :limit
Chris@0:   def journals(options={})
Chris@441:     Journal.visible.find :all, :include => [:details, :user, {:issue => [:project, :author, :tracker, :status]}],
Chris@0:                        :conditions => statement,
Chris@0:                        :order => options[:order],
Chris@0:                        :limit => options[:limit],
Chris@0:                        :offset => options[:offset]
Chris@0:   rescue ::ActiveRecord::StatementInvalid => e
Chris@0:     raise StatementInvalid.new(e.message)
Chris@0:   end
Chris@441: 
Chris@0:   # Returns the versions
Chris@0:   # Valid options are :conditions
Chris@0:   def versions(options={})
Chris@909:     Version.visible.scoped(:conditions => options[:conditions]).find :all, :include => :project, :conditions => project_statement
Chris@0:   rescue ::ActiveRecord::StatementInvalid => e
Chris@0:     raise StatementInvalid.new(e.message)
Chris@0:   end
Chris@441: 
Chris@909:   def sql_for_watcher_id_field(field, operator, value)
Chris@909:     db_table = Watcher.table_name
Chris@909:     "#{Issue.table_name}.id #{ operator == '=' ? 'IN' : 'NOT IN' } (SELECT #{db_table}.watchable_id FROM #{db_table} WHERE #{db_table}.watchable_type='Issue' AND " +
Chris@909:       sql_for_field(field, '=', value, db_table, 'user_id') + ')'
Chris@909:   end
Chris@909: 
Chris@909:   def sql_for_member_of_group_field(field, operator, value)
Chris@909:     if operator == '*' # Any group
Chris@909:       groups = Group.all
Chris@909:       operator = '=' # Override the operator since we want to find by assigned_to
Chris@909:     elsif operator == "!*"
Chris@909:       groups = Group.all
Chris@909:       operator = '!' # Override the operator since we want to find by assigned_to
Chris@909:     else
Chris@909:       groups = Group.find_all_by_id(value)
Chris@909:     end
Chris@909:     groups ||= []
Chris@909: 
Chris@909:     members_of_groups = groups.inject([]) {|user_ids, group|
Chris@909:       if group && group.user_ids.present?
Chris@909:         user_ids << group.user_ids
Chris@909:       end
Chris@909:       user_ids.flatten.uniq.compact
Chris@909:     }.sort.collect(&:to_s)
Chris@909: 
Chris@909:     '(' + sql_for_field("assigned_to_id", operator, members_of_groups, Issue.table_name, "assigned_to_id", false) + ')'
Chris@909:   end
Chris@909: 
Chris@909:   def sql_for_assigned_to_role_field(field, operator, value)
Chris@909:     case operator
Chris@909:     when "*", "!*" # Member / Not member
Chris@909:       sw = operator == "!*" ? 'NOT' : ''
Chris@909:       nl = operator == "!*" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''
Chris@909:       "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}" +
Chris@909:         " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id))"
Chris@909:     when "=", "!"
Chris@1115:       role_cond = value.any? ?
Chris@909:         "#{MemberRole.table_name}.role_id IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")" :
Chris@909:         "1=0"
Chris@1115: 
Chris@909:       sw = operator == "!" ? 'NOT' : ''
Chris@909:       nl = operator == "!" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''
Chris@909:       "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}, #{MemberRole.table_name}" +
Chris@909:         " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id AND #{Member.table_name}.id = #{MemberRole.table_name}.member_id AND #{role_cond}))"
Chris@909:     end
Chris@909:   end
Chris@909: 
Chris@1115:   def sql_for_is_private_field(field, operator, value)
Chris@1115:     op = (operator == "=" ? 'IN' : 'NOT IN')
Chris@1115:     va = value.map {|v| v == '0' ? connection.quoted_false : connection.quoted_true}.uniq.join(',')
Chris@1115: 
Chris@1115:     "#{Issue.table_name}.is_private #{op} (#{va})"
Chris@1115:   end
Chris@1115: 
Chris@1115:   def sql_for_relations(field, operator, value, options={})
Chris@1115:     relation_options = IssueRelation::TYPES[field]
Chris@1115:     return relation_options unless relation_options
Chris@1115: 
Chris@1115:     relation_type = field
Chris@1115:     join_column, target_join_column = "issue_from_id", "issue_to_id"
Chris@1115:     if relation_options[:reverse] || options[:reverse]
Chris@1115:       relation_type = relation_options[:reverse] || relation_type
Chris@1115:       join_column, target_join_column = target_join_column, join_column
Chris@1115:     end
Chris@1115: 
Chris@1115:     sql = case operator
Chris@1115:       when "*", "!*"
Chris@1115:         op = (operator == "*" ? 'IN' : 'NOT IN')
Chris@1115:         "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name} WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}')"
Chris@1115:       when "=", "!"
Chris@1115:         op = (operator == "=" ? 'IN' : 'NOT IN')
Chris@1115:         "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name} WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}' AND #{IssueRelation.table_name}.#{target_join_column} = #{value.first.to_i})"
Chris@1115:       when "=p", "=!p", "!p"
Chris@1115:         op = (operator == "!p" ? 'NOT IN' : 'IN')
Chris@1115:         comp = (operator == "=!p" ? '<>' : '=')
Chris@1115:         "#{Issue.table_name}.id #{op} (SELECT DISTINCT #{IssueRelation.table_name}.#{join_column} FROM #{IssueRelation.table_name}, #{Issue.table_name} relissues WHERE #{IssueRelation.table_name}.relation_type = '#{connection.quote_string(relation_type)}' AND #{IssueRelation.table_name}.#{target_join_column} = relissues.id AND relissues.project_id #{comp} #{value.first.to_i})"
Chris@1115:       end
Chris@1115: 
Chris@1115:     if relation_options[:sym] == field && !options[:reverse]
Chris@1115:       sqls = [sql, sql_for_relations(field, operator, value, :reverse => true)]
Chris@1115:       sqls.join(["!", "!*", "!p"].include?(operator) ? " AND " : " OR ")
Chris@1115:     else
Chris@1115:       sql
Chris@1115:     end
Chris@1115:   end
Chris@1115: 
Chris@1115:   IssueRelation::TYPES.keys.each do |relation_type|
Chris@1115:     alias_method "sql_for_#{relation_type}_field".to_sym, :sql_for_relations
Chris@1115:   end
Chris@1115: 
Chris@0:   private
Chris@441: 
Chris@909:   def sql_for_custom_field(field, operator, value, custom_field_id)
Chris@909:     db_table = CustomValue.table_name
Chris@909:     db_field = 'value'
Chris@1115:     filter = @available_filters[field]
Chris@1115:     return nil unless filter
Chris@1115:     if filter[:format] == 'user'
Chris@1115:       if value.delete('me')
Chris@1115:         value.push User.current.id.to_s
Chris@1115:       end
Chris@1115:     end
Chris@1115:     not_in = nil
Chris@1115:     if operator == '!'
Chris@1115:       # Makes ! operator work for custom fields with multiple values
Chris@1115:       operator = '='
Chris@1115:       not_in = 'NOT'
Chris@1115:     end
Chris@1115:     customized_key = "id"
Chris@1115:     customized_class = Issue
Chris@1115:     if field =~ /^(.+)\.cf_/
Chris@1115:       assoc = $1
Chris@1115:       customized_key = "#{assoc}_id"
Chris@1115:       customized_class = Issue.reflect_on_association(assoc.to_sym).klass.base_class rescue nil
Chris@1115:       raise "Unknown Issue association #{assoc}" unless customized_class
Chris@1115:     end
Chris@1115:     "#{Issue.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 " +
Chris@909:       sql_for_field(field, operator, value, db_table, db_field, true) + ')'
Chris@909:   end
Chris@909: 
Chris@0:   # Helper method to generate the WHERE sql for a +field+, +operator+ and a +value+
Chris@0:   def sql_for_field(field, operator, value, db_table, db_field, is_custom_filter=false)
Chris@0:     sql = ''
Chris@0:     case operator
Chris@0:     when "="
Chris@245:       if value.any?
Chris@909:         case type_for(field)
Chris@909:         when :date, :date_past
Chris@909:           sql = date_clause(db_table, db_field, (Date.parse(value.first) rescue nil), (Date.parse(value.first) rescue nil))
Chris@909:         when :integer
Chris@1115:           if is_custom_filter
Chris@1115:             sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) = #{value.first.to_i})"
Chris@1115:           else
Chris@1115:             sql = "#{db_table}.#{db_field} = #{value.first.to_i}"
Chris@1115:           end
Chris@909:         when :float
Chris@1115:           if is_custom_filter
Chris@1115:             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})"
Chris@1115:           else
Chris@1115:             sql = "#{db_table}.#{db_field} BETWEEN #{value.first.to_f - 1e-5} AND #{value.first.to_f + 1e-5}"
Chris@1115:           end
Chris@909:         else
Chris@909:           sql = "#{db_table}.#{db_field} IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")"
Chris@909:         end
Chris@245:       else
Chris@245:         # IN an empty set
Chris@245:         sql = "1=0"
Chris@245:       end
Chris@0:     when "!"
Chris@245:       if value.any?
Chris@245:         sql = "(#{db_table}.#{db_field} IS NULL OR #{db_table}.#{db_field} NOT IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + "))"
Chris@245:       else
Chris@245:         # NOT IN an empty set
Chris@245:         sql = "1=1"
Chris@245:       end
Chris@0:     when "!*"
Chris@0:       sql = "#{db_table}.#{db_field} IS NULL"
Chris@0:       sql << " OR #{db_table}.#{db_field} = ''" if is_custom_filter
Chris@0:     when "*"
Chris@0:       sql = "#{db_table}.#{db_field} IS NOT NULL"
Chris@0:       sql << " AND #{db_table}.#{db_field} <> ''" if is_custom_filter
Chris@0:     when ">="
Chris@909:       if [:date, :date_past].include?(type_for(field))
Chris@909:         sql = date_clause(db_table, db_field, (Date.parse(value.first) rescue nil), nil)
Chris@909:       else
Chris@909:         if is_custom_filter
Chris@1115:           sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) >= #{value.first.to_f})"
Chris@909:         else
Chris@909:           sql = "#{db_table}.#{db_field} >= #{value.first.to_f}"
Chris@909:         end
Chris@909:       end
Chris@0:     when "<="
Chris@909:       if [:date, :date_past].include?(type_for(field))
Chris@909:         sql = date_clause(db_table, db_field, nil, (Date.parse(value.first) rescue nil))
Chris@909:       else
Chris@909:         if is_custom_filter
Chris@1115:           sql = "(#{db_table}.#{db_field} <> '' AND CAST(#{db_table}.#{db_field} AS decimal(60,3)) <= #{value.first.to_f})"
Chris@909:         else
Chris@909:           sql = "#{db_table}.#{db_field} <= #{value.first.to_f}"
Chris@909:         end
Chris@909:       end
Chris@909:     when "><"
Chris@909:       if [:date, :date_past].include?(type_for(field))
Chris@909:         sql = date_clause(db_table, db_field, (Date.parse(value[0]) rescue nil), (Date.parse(value[1]) rescue nil))
Chris@909:       else
Chris@909:         if is_custom_filter
Chris@1115:           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})"
Chris@909:         else
Chris@909:           sql = "#{db_table}.#{db_field} BETWEEN #{value[0].to_f} AND #{value[1].to_f}"
Chris@909:         end
Chris@909:       end
Chris@0:     when "o"
Chris@1115:       sql = "#{Issue.table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_false})" if field == "status_id"
Chris@0:     when "c"
Chris@1115:       sql = "#{Issue.table_name}.status_id IN (SELECT id FROM #{IssueStatus.table_name} WHERE is_closed=#{connection.quoted_true})" if field == "status_id"
Chris@1115:     when "><t-"
Chris@1115:       # between today - n days and today
Chris@1115:       sql = relative_date_clause(db_table, db_field, - value.first.to_i, 0)
Chris@0:     when ">t-"
Chris@1115:       # >= today - n days
Chris@1115:       sql = relative_date_clause(db_table, db_field, - value.first.to_i, nil)
Chris@0:     when "<t-"
Chris@1115:       # <= today - n days
Chris@909:       sql = relative_date_clause(db_table, db_field, nil, - value.first.to_i)
Chris@0:     when "t-"
Chris@1115:       # = n days in past
Chris@909:       sql = relative_date_clause(db_table, db_field, - value.first.to_i, - value.first.to_i)
Chris@1115:     when "><t+"
Chris@1115:       # between today and today + n days
Chris@1115:       sql = relative_date_clause(db_table, db_field, 0, value.first.to_i)
Chris@0:     when ">t+"
Chris@1115:       # >= today + n days
Chris@909:       sql = relative_date_clause(db_table, db_field, value.first.to_i, nil)
Chris@0:     when "<t+"
Chris@1115:       # <= today + n days
Chris@1115:       sql = relative_date_clause(db_table, db_field, nil, value.first.to_i)
Chris@0:     when "t+"
Chris@1115:       # = today + n days
Chris@909:       sql = relative_date_clause(db_table, db_field, value.first.to_i, value.first.to_i)
Chris@0:     when "t"
Chris@1115:       # = today
Chris@909:       sql = relative_date_clause(db_table, db_field, 0, 0)
Chris@0:     when "w"
Chris@1115:       # = this week
Chris@441:       first_day_of_week = l(:general_first_day_of_week).to_i
Chris@441:       day_of_week = Date.today.cwday
Chris@441:       days_ago = (day_of_week >= first_day_of_week ? day_of_week - first_day_of_week : day_of_week + 7 - first_day_of_week)
Chris@909:       sql = relative_date_clause(db_table, db_field, - days_ago, - days_ago + 6)
Chris@0:     when "~"
Chris@0:       sql = "LOWER(#{db_table}.#{db_field}) LIKE '%#{connection.quote_string(value.first.to_s.downcase)}%'"
Chris@0:     when "!~"
Chris@0:       sql = "LOWER(#{db_table}.#{db_field}) NOT LIKE '%#{connection.quote_string(value.first.to_s.downcase)}%'"
Chris@909:     else
Chris@909:       raise "Unknown query operator #{operator}"
Chris@0:     end
Chris@441: 
Chris@0:     return sql
Chris@0:   end
Chris@441: 
Chris@1115:   def add_custom_fields_filters(custom_fields, assoc=nil)
Chris@1115:     return unless custom_fields.present?
Chris@0:     @available_filters ||= {}
Chris@441: 
Chris@0:     custom_fields.select(&:is_filter?).each do |field|
Chris@0:       case field.field_format
Chris@0:       when "text"
Chris@0:         options = { :type => :text, :order => 20 }
Chris@0:       when "list"
Chris@0:         options = { :type => :list_optional, :values => field.possible_values, :order => 20}
Chris@0:       when "date"
Chris@0:         options = { :type => :date, :order => 20 }
Chris@0:       when "bool"
Chris@0:         options = { :type => :list, :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]], :order => 20 }
Chris@909:       when "int"
Chris@909:         options = { :type => :integer, :order => 20 }
Chris@909:       when "float"
Chris@909:         options = { :type => :float, :order => 20 }
Chris@441:       when "user", "version"
Chris@441:         next unless project
Chris@1115:         values = field.possible_values_options(project)
Chris@1115:         if User.current.logged? && field.field_format == 'user'
Chris@1115:           values.unshift ["<< #{l(:label_me)} >>", "me"]
Chris@1115:         end
Chris@1115:         options = { :type => :list_optional, :values => values, :order => 20}
Chris@0:       else
Chris@0:         options = { :type => :string, :order => 20 }
Chris@0:       end
Chris@1115:       filter_id = "cf_#{field.id}"
Chris@1115:       filter_name = field.name
Chris@1115:       if assoc.present?
Chris@1115:         filter_id = "#{assoc}.#{filter_id}"
Chris@1115:         filter_name = l("label_attribute_of_#{assoc}", :name => filter_name)
Chris@1115:       end
Chris@1115:       @available_filters[filter_id] = options.merge({
Chris@1115:                :name => filter_name,
Chris@1115:                :format => field.field_format,
Chris@1115:                :field => field
Chris@1115:              })
Chris@1115:     end
Chris@1115:   end
Chris@1115: 
Chris@1115:   def add_associations_custom_fields_filters(*associations)
Chris@1115:     fields_by_class = CustomField.where(:is_filter => true).group_by(&:class)
Chris@1115:     associations.each do |assoc|
Chris@1115:       association_klass = Issue.reflect_on_association(assoc).klass
Chris@1115:       fields_by_class.each do |field_class, fields|
Chris@1115:         if field_class.customized_class <= association_klass
Chris@1115:           add_custom_fields_filters(fields, assoc)
Chris@1115:         end
Chris@1115:       end
Chris@0:     end
Chris@0:   end
Chris@441: 
Chris@0:   # Returns a SQL clause for a date or datetime field.
Chris@909:   def date_clause(table, field, from, to)
Chris@0:     s = []
Chris@0:     if from
Chris@909:       from_yesterday = from - 1
Chris@1115:       from_yesterday_time = Time.local(from_yesterday.year, from_yesterday.month, from_yesterday.day)
Chris@1115:       if self.class.default_timezone == :utc
Chris@1115:         from_yesterday_time = from_yesterday_time.utc
Chris@1115:       end
Chris@1115:       s << ("#{table}.#{field} > '%s'" % [connection.quoted_date(from_yesterday_time.end_of_day)])
Chris@0:     end
Chris@0:     if to
Chris@1115:       to_time = Time.local(to.year, to.month, to.day)
Chris@1115:       if self.class.default_timezone == :utc
Chris@1115:         to_time = to_time.utc
Chris@1115:       end
Chris@1115:       s << ("#{table}.#{field} <= '%s'" % [connection.quoted_date(to_time.end_of_day)])
Chris@0:     end
Chris@0:     s.join(' AND ')
Chris@0:   end
Chris@909: 
Chris@909:   # Returns a SQL clause for a date or datetime field using relative dates.
Chris@909:   def relative_date_clause(table, field, days_from, days_to)
Chris@909:     date_clause(table, field, (days_from ? Date.today + days_from : nil), (days_to ? Date.today + days_to : nil))
Chris@909:   end
Chris@1115: 
Chris@1115:   # Additional joins required for the given sort options
Chris@1115:   def joins_for_order_statement(order_options)
Chris@1115:     joins = []
Chris@1115: 
Chris@1115:     if order_options
Chris@1115:       if order_options.include?('authors')
Chris@1115:         joins << "LEFT OUTER JOIN #{User.table_name} authors ON authors.id = #{Issue.table_name}.author_id"
Chris@1115:       end
Chris@1115:       order_options.scan(/cf_\d+/).uniq.each do |name|
Chris@1115:         column = available_columns.detect {|c| c.name.to_s == name}
Chris@1115:         join = column && column.custom_field.join_for_order_statement
Chris@1115:         if join
Chris@1115:           joins << join
Chris@1115:         end
Chris@1115:       end
Chris@1115:     end
Chris@1115: 
Chris@1115:     joins.any? ? joins.join(' ') : nil
Chris@1115:   end
Chris@0: end