SoundSoftware Code Site

# Copyright (C) 2006-2013  Jean-Philippe Lang

require "fileutils"

      self.disk_directory = target_directory

      self.disk_filename = Attachment.disk_filename(filename, disk_directory)

      path = File.dirname(diskfile)

      unless File.directory?(path)

        FileUtils.mkdir_p(path)

      end

    File.join(self.class.storage_path, disk_directory.to_s, disk_filename.to_s)

    if container_id

      container && container.attachments_visible?(user)

    else

      author == user

    end

    if container_id

      container && container.attachments_deletable?(user)

    else

      author == user

    end

  # Moves an existing attachment to its target directory

  def move_to_target_directory!

    if !new_record? & readable?

      src = diskfile

      self.disk_directory = target_directory

      dest = diskfile

      if src != dest && FileUtils.mkdir_p(File.dirname(dest)) && FileUtils.mv(src, dest)

        update_column :disk_directory, disk_directory

      end

    end

  end

  # Moves existing attachments that are stored at the root of the files

  # directory (ie. created before Redmine 2.3) to their target subdirectories

  def self.move_from_root_to_target_directory

    Attachment.where("disk_directory IS NULL OR disk_directory = ''").find_each do |attachment|

      attachment.move_to_target_directory!

    end

  end

  # Returns the subdirectory in which the attachment will be saved

  def target_directory

    time = created_on || DateTime.now

    time.strftime("%Y/%m")

  end

  # Returns an ASCII or hashed filename that do not

  # exists yet in the given subdirectory

  def self.disk_filename(filename, directory=nil)

    while File.exist?(File.join(storage_path, directory.to_s, "#{timestamp}_#{ascii}"))

# Copyright (C) 2006-2013  Jean-Philippe Lang

  def searchable?

    false

  end

  def self.search(q)

    results = []

    AuthSource.all.each do |source|

      begin

        if source.searchable?

          results += source.search(q)

        end

      rescue AuthSourceException => e

        logger.error "Error while searching users in #{source.name}: #{e.message}"

      end

    end

    results

  end

# Copyright (C) 2006-2013  Jean-Philippe Lang

  # Returns true if this source can be searched for users

  def searchable?

    !account.to_s.include?("$login") && %w(login firstname lastname mail).all? {|a| send("attr_#{a}?")}

  end

  # Searches the source for users and returns an array of results

  def search(q)

    q = q.to_s.strip

    return [] unless searchable? && q.present?

    results = []

    search_filter = base_filter & Net::LDAP::Filter.begins(self.attr_login, q)

    ldap_con = initialize_ldap_con(self.account, self.account_password)

    ldap_con.search(:base => self.base_dn,

                    :filter => search_filter,

                    :attributes => ['dn', self.attr_login, self.attr_firstname, self.attr_lastname, self.attr_mail],

                    :size => 10) do |entry|

      attrs = get_user_attributes_from_ldap_entry(entry)

      attrs[:login] = AuthSourceLdap.get_attr(entry, self.attr_login)

      results << attrs

    end

    results

  rescue Net::LDAP::LdapError => e

    raise AuthSourceException.new(e.message)

  end

  def base_filter

    filter = Net::LDAP::Filter.eq("objectClass", "*")

    if f = ldap_filter

      filter = filter & f

    end

    filter

  end

    search_filter = base_filter & Net::LDAP::Filter.eq(self.attr_login, login)

# Copyright (C) 2006-2013  Jean-Philippe Lang

  scope :visible, lambda {|*args|

    includes(:project).where(Project.allowed_to_condition(args.shift || User.current, :view_messages, *args))

  }

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

  scope :visible, lambda {|*args|

    includes(:repository => :project).where(Project.allowed_to_condition(args.shift || User.current, :view_changesets, *args))

  }

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

  after_save :handle_multiplicity_change

  scope :sorted, lambda { order("#{table_name}.position ASC") }

        "COALESCE(#{join_alias}.value, '')"

        "CAST(CASE #{join_alias}.value WHEN '' THEN '0' ELSE #{join_alias}.value END AS decimal(30,3))"

  def group_statement

        "COALESCE(#{join_alias}.value, '')"

          " ON CAST(CASE #{join_alias}.value WHEN '' THEN '0' ELSE #{join_alias}.value END AS decimal(30,0)) = #{value_join_alias}.id"

      when 'int', 'float'

        "LEFT OUTER JOIN #{CustomValue.table_name} #{join_alias}" +

          " ON #{join_alias}.customized_type = '#{self.class.customized_class.base_class.name}'" +

          " AND #{join_alias}.customized_id = #{self.class.customized_class.table_name}.id" +

          " AND #{join_alias}.custom_field_id = #{id}" +

          " AND #{join_alias}.value <> ''" +

          " AND #{join_alias}.id = (SELECT max(#{join_alias}_2.id) FROM #{CustomValue.table_name} #{join_alias}_2" +

            " WHERE #{join_alias}_2.customized_type = #{join_alias}.customized_type" +

            " AND #{join_alias}_2.customized_id = #{join_alias}.customized_id" +

            " AND #{join_alias}_2.custom_field_id = #{join_alias}.custom_field_id)"

      when 'string', 'text', 'list', 'date', 'bool'

        "LEFT OUTER JOIN #{CustomValue.table_name} #{join_alias}" +

          " ON #{join_alias}.customized_type = '#{self.class.customized_class.base_class.name}'" +

          " AND #{join_alias}.customized_id = #{self.class.customized_class.table_name}.id" +

          " AND #{join_alias}.custom_field_id = #{id}" +

          " AND #{join_alias}.id = (SELECT max(#{join_alias}_2.id) FROM #{CustomValue.table_name} #{join_alias}_2" +

            " WHERE #{join_alias}_2.customized_type = #{join_alias}.customized_type" +

            " AND #{join_alias}_2.customized_id = #{join_alias}.customized_id" +

            " AND #{join_alias}_2.custom_field_id = #{join_alias}.custom_field_id)"

    where(:is_for_all => true).order('position').all

  # Removes multiple values for the custom field after setting the multiple attribute to false

  # We kepp the value with the highest id for each customized object

  def handle_multiplicity_change

    if !new_record? && multiple_was && !multiple

      ids = custom_values.

        where("EXISTS(SELECT 1 FROM #{CustomValue.table_name} cve WHERE cve.custom_field_id = #{CustomValue.table_name}.custom_field_id" +

          " AND cve.customized_type = #{CustomValue.table_name}.customized_type AND cve.customized_id = #{CustomValue.table_name}.customized_id" +

          " AND cve.id > #{CustomValue.table_name}.id)").

        pluck(:id)

      if ids.any?

        custom_values.where(:id => ids).delete_all

      end

    end

  end

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

  acts_as_attachable :delete_permission => :delete_documents

                :author => Proc.new {|o| o.attachments.reorder("#{Attachment.table_name}.created_on ASC").first.try(:author) },

  scope :visible, lambda {|*args|

    includes(:project).where(Project.allowed_to_condition(args.shift || User.current, :view_documents, *args))

  }

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

  acts_as_tree :order => "#{Enumeration.table_name}.position ASC"

  scope :shared, lambda { where(:project_id => nil) }

  scope :sorted, lambda { order("#{table_name}.position ASC") }

  scope :active, lambda { where(:active => true) }

  scope :system, lambda { where(:project_id => nil) }

# Copyright (C) 2006-2013  Jean-Philippe Lang

  validates_length_of :lastname, :maximum => 255

  scope :sorted, lambda { order("#{table_name}.lastname ASC") }

  scope :named, lambda {|arg| where("LOWER(#{table_name}.lastname) = LOWER(?)", arg.to_s.strip)}

      MemberRole.

        includes(:member).

        where("#{Member.table_name}.user_id = ? AND #{MemberRole.table_name}.inherited_from IN (?)", user.id, member.member_role_ids).

        all.

        each(&:destroy)

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

  validates :estimated_hours, :numericality => {:greater_than_or_equal_to => 0, :allow_nil => true, :message => :invalid}

  validates :start_date, :date => true

  validates :due_date, :date => true

  scope :visible, lambda {|*args|

    includes(:project).where(Issue.visible_condition(args.shift || User.current, *args))

  }

    includes(:status).where("#{IssueStatus.table_name}.is_closed = ?", is_closed)

  scope :recently_updated, lambda { order("#{Issue.table_name}.updated_on DESC") }

  scope :on_active_project, lambda {

    includes(:status, :project, :tracker).where("#{Project.table_name}.status = ?", Project::STATUS_ACTIVE)

  }

  scope :fixed_version, lambda {|versions|

    ids = [versions].flatten.compact.map {|v| v.is_a?(Version) ? v.id : v}

    ids.any? ? where(:fixed_version_id => ids) : where('1=0')

  }

  before_save :close_duplicates, :update_done_ratio_from_issue_status, :force_updated_on_change, :update_closed_on

  # Returns true if user or current user is allowed to edit or add a note to the issue

  def editable?(user=User.current)

    user.allowed_to?(:edit_issues, project) || user.allowed_to?(:add_issue_notes, project)

  end

  def create_or_update

    super

  ensure

    @status_was = nil

  end

  private :create_or_update

  alias :base_reload :reload

    @relations = nil

    base_reload(*args)

      elsif (@parent_issue != parent) && (all_dependent_issues.include?(@parent_issue) || @parent_issue.all_dependent_issues.include?(self))

        errors.add :parent_issue_id, :invalid

  # Returns the initial status of the issue

  # Returns nil for a new issue

  def status_was

    if status_id_was && status_id_was.to_i > 0

      @status_was ||= IssueStatus.find_by_id(status_id_was)

    end

  end

      if status_was && status && !status_was.is_closed? && status.is_closed?

    @relations ||= IssueRelation::Relations.new(self, (relations_from + relations_to).sort)

        issue.instance_variable_set "@relations", IssueRelation::Relations.new(issue, relations.sort)

  # Returns all the other issues that depend on the issue

    dependencies += relations_from.map(&:issue_to)

    dependencies += children unless leaf?

    dependencies.compact!

    dependencies -= except

    dependencies += dependencies.map {|issue| issue.all_dependent_issues(except)}.flatten

    if parent

      dependencies << parent

      dependencies += parent.all_dependent_issues(except + parent.descendants)

        [(@parent_issue || parent).try(:soonest_start)]

    s = "issue tracker-#{tracker_id} status-#{status_id} #{priority.try(:css_classes)}"

  # Returns true if issue's project is a valid

  # parent issue project

      copy_options = (@copy_options || {}).merge(:subtasks => false)

      copied_issue_ids = {@copied_from.id => self.id}

      @copied_from.reload.descendants.reorder("#{Issue.table_name}.lft").each do |child|

        # Do not copy self when copying an issue as a descendant of the copied issue

        next if child == self

        # Do not copy subtasks of issues that were not copied

        next unless copied_issue_ids[child.parent_id]

        # Do not copy subtasks that are not visible to avoid potential disclosure of private data

        copy = Issue.new.copy_from(child, copy_options)

        copy.parent_issue_id = copied_issue_ids[child.parent_id]

          next

        copied_issue_ids[child.id] = copy.id

  # Make sure updated_on is updated when adding a note and set updated_on now

  # so we can set closed_on with the same value on closing

    if @current_journal || changed?

      if new_record?

        self.created_on = updated_on

      end

    end

  end

  # Callback for setting closed_on when the issue is closed.

  # The closed_on attribute stores the time of the last closing

  # and is preserved when the issue is reopened.

  def update_closed_on

    if closing? || (new_record? && closed?)

      self.closed_on = updated_on

        (Issue.column_names - %w(id root_id lft rgt lock_version created_on updated_on closed_on)).each {|c|

# Copyright (C) 2006-2013  Jean-Philippe Lang

      Issue.update_all({:category_id => reassign_to.id}, {:category_id => id})

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Copyright (C) 2006-2013  Jean-Philippe Lang

# Redmine - project management software

# Copyright (C) 2006-2013  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 IssueQuery < Query

  self.queried_class = Issue

  self.available_columns = [

    QueryColumn.new(:id, :sortable => "#{Issue.table_name}.id", :default_order => 'desc', :caption => '#', :frozen => true),

    QueryColumn.new(:project, :sortable => "#{Project.table_name}.name", :groupable => true),

    QueryColumn.new(:tracker, :sortable => "#{Tracker.table_name}.position", :groupable => true),

    QueryColumn.new(:parent, :sortable => ["#{Issue.table_name}.root_id", "#{Issue.table_name}.lft ASC"], :default_order => 'desc', :caption => :field_parent_issue),

    QueryColumn.new(:status, :sortable => "#{IssueStatus.table_name}.position", :groupable => true),

    QueryColumn.new(:priority, :sortable => "#{IssuePriority.table_name}.position", :default_order => 'desc', :groupable => true),

    QueryColumn.new(:subject, :sortable => "#{Issue.table_name}.subject"),

    QueryColumn.new(:author, :sortable => lambda {User.fields_for_order_statement("authors")}, :groupable => true),

    QueryColumn.new(:assigned_to, :sortable => lambda {User.fields_for_order_statement}, :groupable => true),

    QueryColumn.new(:updated_on, :sortable => "#{Issue.table_name}.updated_on", :default_order => 'desc'),

    QueryColumn.new(:category, :sortable => "#{IssueCategory.table_name}.name", :groupable => true),

    QueryColumn.new(:fixed_version, :sortable => lambda {Version.fields_for_order_statement}, :groupable => true),

    QueryColumn.new(:start_date, :sortable => "#{Issue.table_name}.start_date"),

    QueryColumn.new(:due_date, :sortable => "#{Issue.table_name}.due_date"),

    QueryColumn.new(:estimated_hours, :sortable => "#{Issue.table_name}.estimated_hours"),

    QueryColumn.new(:done_ratio, :sortable => "#{Issue.table_name}.done_ratio", :groupable => true),

    QueryColumn.new(:created_on, :sortable => "#{Issue.table_name}.created_on", :default_order => 'desc'),

    QueryColumn.new(:closed_on, :sortable => "#{Issue.table_name}.closed_on", :default_order => 'desc'),

    QueryColumn.new(:relations, :caption => :label_related_issues),

    QueryColumn.new(:description, :inline => false)

  ]

  scope :visible, lambda {|*args|

    user = args.shift || User.current

    base = Project.allowed_to_condition(user, :view_issues, *args)

    user_id = user.logged? ? user.id : 0

    includes(:project).where("(#{table_name}.project_id IS NULL OR (#{base})) AND (#{table_name}.is_public = ? OR #{table_name}.user_id = ?)", true, user_id)

  }

  def initialize(attributes=nil, *args)

    super attributes

    self.filters ||= { 'status_id' => {:operator => "o", :values => [""]} }

  end

  # Returns true if the query is visible to +user+ or the current user.

  def visible?(user=User.current)

    (project.nil? || user.allowed_to?(:view_issues, project)) && (self.is_public? || self.user_id == user.id)

  end

  def initialize_available_filters

    principals = []

    subprojects = []

    versions = []

    categories = []

    issue_custom_fields = []

    if project

      principals += project.principals.sort

      unless project.leaf?

        subprojects = project.descendants.visible.all

        principals += Principal.member_of(subprojects)

      end

      versions = project.shared_versions.all

      categories = project.issue_categories.all

      issue_custom_fields = project.all_issue_custom_fields

    else

      if all_projects.any?

        principals += Principal.member_of(all_projects)

      end

      versions = Version.visible.find_all_by_sharing('system')

      issue_custom_fields = IssueCustomField.where(:is_filter => true, :is_for_all => true).all

    end

    principals.uniq!

    principals.sort!

    users = principals.select {|p| p.is_a?(User)}

    add_available_filter "status_id",

      :type => :list_status, :values => IssueStatus.sorted.all.collect{|s| [s.name, s.id.to_s] }

    if project.nil?

      project_values = []

      if User.current.logged? && User.current.memberships.any?

        project_values << ["<< #{l(:label_my_projects).downcase} >>", "mine"]

      end

      project_values += all_projects_values

      add_available_filter("project_id",

        :type => :list, :values => project_values

      ) unless project_values.empty?

    end

    add_available_filter "tracker_id",

      :type => :list, :values => trackers.collect{|s| [s.name, s.id.to_s] }

    add_available_filter "priority_id",

      :type => :list, :values => IssuePriority.all.collect{|s| [s.name, s.id.to_s] }

    author_values = []

    author_values << ["<< #{l(:label_me)} >>", "me"] if User.current.logged?

    author_values += users.collect{|s| [s.name, s.id.to_s] }

    add_available_filter("author_id",

      :type => :list, :values => author_values

    ) unless author_values.empty?

    assigned_to_values = []

    assigned_to_values << ["<< #{l(:label_me)} >>", "me"] if User.current.logged?

    assigned_to_values += (Setting.issue_group_assignment? ?

                              principals : users).collect{|s| [s.name, s.id.to_s] }

    add_available_filter("assigned_to_id",

      :type => :list_optional, :values => assigned_to_values

    ) unless assigned_to_values.empty?

    group_values = Group.all.collect {|g| [g.name, g.id.to_s] }

    add_available_filter("member_of_group",

      :type => :list_optional, :values => group_values

    ) unless group_values.empty?

    role_values = Role.givable.collect {|r| [r.name, r.id.to_s] }

    add_available_filter("assigned_to_role",

      :type => :list_optional, :values => role_values

    ) unless role_values.empty?

    if versions.any?

      add_available_filter "fixed_version_id",

        :type => :list_optional,

        :values => versions.sort.collect{|s| ["#{s.project.name} - #{s.name}", s.id.to_s] }

    end

    if categories.any?

      add_available_filter "category_id",

        :type => :list_optional,

        :values => categories.collect{|s| [s.name, s.id.to_s] }

    end

    add_available_filter "subject", :type => :text

    add_available_filter "created_on", :type => :date_past

    add_available_filter "updated_on", :type => :date_past

    add_available_filter "closed_on", :type => :date_past

    add_available_filter "start_date", :type => :date

    add_available_filter "due_date", :type => :date

    add_available_filter "estimated_hours", :type => :float

    add_available_filter "done_ratio", :type => :integer

    if User.current.allowed_to?(:set_issues_private, nil, :global => true) ||

      User.current.allowed_to?(:set_own_issues_private, nil, :global => true)

      add_available_filter "is_private",

        :type => :list,

        :values => [[l(:general_text_yes), "1"], [l(:general_text_no), "0"]]

    end

    if User.current.logged?

      add_available_filter "watcher_id",

        :type => :list, :values => [["<< #{l(:label_me)} >>", "me"]]

    end

    if subprojects.any?

      add_available_filter "subproject_id",

        :type => :list_subprojects,

        :values => subprojects.collect{|s| [s.name, s.id.to_s] }

    end

    add_custom_fields_filters(issue_custom_fields)

    add_associations_custom_fields_filters :project, :author, :assigned_to, :fixed_version

    IssueRelation::TYPES.each do |relation_type, options|

      add_available_filter relation_type, :type => :relation, :label => options[:name]

    end

    Tracker.disabled_core_fields(trackers).each {|field|

      delete_available_filter field

    }

  end

  def available_columns

    return @available_columns if @available_columns

    @available_columns = self.class.available_columns.dup

    @available_columns += (project ?

                            project.all_issue_custom_fields :

                            IssueCustomField.all

                           ).collect {|cf| QueryCustomFieldColumn.new(cf) }

    if User.current.allowed_to?(:view_time_entries, project, :global => true)

      index = nil

      @available_columns.each_with_index {|column, i| index = i if column.name == :estimated_hours}

      index = (index ? index + 1 : -1)

      # insert the column after estimated_hours or at the end

      @available_columns.insert index, QueryColumn.new(:spent_hours,

        :sortable => "COALESCE((SELECT SUM(hours) FROM #{TimeEntry.table_name} WHERE #{TimeEntry.table_name}.issue_id = #{Issue.table_name}.id), 0)",

        :default_order => 'desc',

        :caption => :label_spent_time

      )

    end

    if User.current.allowed_to?(:set_issues_private, nil, :global => true) ||

      User.current.allowed_to?(:set_own_issues_private, nil, :global => true)

      @available_columns << QueryColumn.new(:is_private, :sortable => "#{Issue.table_name}.is_private")

    end

    disabled_fields = Tracker.disabled_core_fields(trackers).map {|field| field.sub(/_id$/, '')}

    @available_columns.reject! {|column|

      disabled_fields.include?(column.name.to_s)

    }

    @available_columns

  end

  def default_columns_names

    @default_columns_names ||= begin

      default_columns = Setting.issue_list_default_columns.map(&:to_sym)

      project.present? ? default_columns : [:project] | default_columns

    end

  end

  # Returns the issue count

  def issue_count

    Issue.visible.count(:include => [:status, :project], :conditions => statement)

  rescue ::ActiveRecord::StatementInvalid => e

    raise StatementInvalid.new(e.message)

  end

  # Returns the issue count by group or nil if query is not grouped

  def issue_count_by_group

    r = nil

    if grouped?

      begin

        # Rails3 will raise an (unexpected) RecordNotFound if there's only a nil group value

        r = Issue.visible.count(:joins => joins_for_order_statement(group_by_statement), :group => group_by_statement, :include => [:status, :project], :conditions => statement)

      rescue ActiveRecord::RecordNotFound

        r = {nil => issue_count}

      end

      c = group_by_column

      if c.is_a?(QueryCustomFieldColumn)

        r = r.keys.inject({}) {|h, k| h[c.custom_field.cast_value(k)] = r[k]; h}

      end

    end

    r

  rescue ::ActiveRecord::StatementInvalid => e

    raise StatementInvalid.new(e.message)

  end

  # Returns the issues

  # Valid options are :order, :offset, :limit, :include, :conditions

  def issues(options={})

    order_option = [group_by_sort_order, options[:order]].flatten.reject(&:blank?)

    issues = Issue.visible.where(options[:conditions]).all(

      :include => ([:status, :project] + (options[:include] || [])).uniq,

      :conditions => statement,

      :order => order_option,

      :joins => joins_for_order_statement(order_option.join(',')),

      :limit  => options[:limit],

      :offset => options[:offset]

    )

    if has_column?(:spent_hours)

      Issue.load_visible_spent_hours(issues)

    end

    if has_column?(:relations)

      Issue.load_visible_relations(issues)

    end

    issues

  rescue ::ActiveRecord::StatementInvalid => e

    raise StatementInvalid.new(e.message)

  end

  # Returns the issues ids

  def issue_ids(options={})

    order_option = [group_by_sort_order, options[:order]].flatten.reject(&:blank?)

    Issue.visible.scoped(:conditions => options[:conditions]).scoped(:include => ([:status, :project] + (options[:include] || [])).uniq,

                     :conditions => statement,

                     :order => order_option,

                     :joins => joins_for_order_statement(order_option.join(',')),

                     :limit  => options[:limit],

                     :offset => options[:offset]).find_ids

  rescue ::ActiveRecord::StatementInvalid => e

    raise StatementInvalid.new(e.message)

  end

  # Returns the journals

  # Valid options are :order, :offset, :limit

  def journals(options={})

    Journal.visible.all(

      :include => [:details, :user, {:issue => [:project, :author, :tracker, :status]}],

      :conditions => statement,

      :order => options[:order],

      :limit => options[:limit],

      :offset => options[:offset]

    )

  rescue ::ActiveRecord::StatementInvalid => e

    raise StatementInvalid.new(e.message)

  end

  # Returns the versions

  # Valid options are :conditions

  def versions(options={})

    Version.visible.where(options[:conditions]).all(

      :include => :project,

      :conditions => project_statement

    )

  rescue ::ActiveRecord::StatementInvalid => e

    raise StatementInvalid.new(e.message)

  end

  def sql_for_watcher_id_field(field, operator, value)

    db_table = Watcher.table_name

    "#{Issue.table_name}.id #{ operator == '=' ? 'IN' : 'NOT IN' } (SELECT #{db_table}.watchable_id FROM #{db_table} WHERE #{db_table}.watchable_type='Issue' AND " +

      sql_for_field(field, '=', value, db_table, 'user_id') + ')'

  end

  def sql_for_member_of_group_field(field, operator, value)

    if operator == '*' # Any group

      groups = Group.all

      operator = '=' # Override the operator since we want to find by assigned_to

    elsif operator == "!*"

      groups = Group.all

      operator = '!' # Override the operator since we want to find by assigned_to

    else

      groups = Group.find_all_by_id(value)

    end

    groups ||= []

    members_of_groups = groups.inject([]) {|user_ids, group|

      user_ids + group.user_ids + [group.id]

    }.uniq.compact.sort.collect(&:to_s)

    '(' + sql_for_field("assigned_to_id", operator, members_of_groups, Issue.table_name, "assigned_to_id", false) + ')'

  end

  def sql_for_assigned_to_role_field(field, operator, value)

    case operator

    when "*", "!*" # Member / Not member

      sw = operator == "!*" ? 'NOT' : ''

      nl = operator == "!*" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''

      "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}" +

        " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id))"

    when "=", "!"

      role_cond = value.any? ?

        "#{MemberRole.table_name}.role_id IN (" + value.collect{|val| "'#{connection.quote_string(val)}'"}.join(",") + ")" :

        "1=0"

      sw = operator == "!" ? 'NOT' : ''

      nl = operator == "!" ? "#{Issue.table_name}.assigned_to_id IS NULL OR" : ''

      "(#{nl} #{Issue.table_name}.assigned_to_id #{sw} IN (SELECT DISTINCT #{Member.table_name}.user_id FROM #{Member.table_name}, #{MemberRole.table_name}" +

        " WHERE #{Member.table_name}.project_id = #{Issue.table_name}.project_id AND #{Member.table_name}.id = #{MemberRole.table_name}.member_id AND #{role_cond}))"

    end

  end

  def sql_for_is_private_field(field, operator, value)

    op = (operator == "=" ? 'IN' : 'NOT IN')

    va = value.map {|v| v == '0' ? connection.quoted_false : connection.quoted_true}.uniq.join(',')

    "#{Issue.table_name}.is_private #{op} (#{va})"

  end

  def sql_for_relations(field, operator, value, options={})

    relation_options = IssueRelation::TYPES[field]

    return relation_options unless relation_options

    relation_type = field

    join_column, target_join_column = "issue_from_id", "issue_to_id"

    if relation_options[:reverse] || options[:reverse]

      relation_type = relation_options[:reverse] || relation_type

      join_column, target_join_column = target_join_column, join_column

    end

    sql = case operator

      when "*", "!*"

        op = (operator == "*" ? 'IN' : 'NOT IN')

        "#{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)}')"

      when "=", "!"

        op = (operator == "=" ? 'IN' : 'NOT IN')

        "#{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})"

      when "=p", "=!p", "!p"

        op = (operator == "!p" ? 'NOT IN' : 'IN')

        comp = (operator == "=!p" ? '<>' : '=')

        "#{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})"

      end

    if relation_options[:sym] == field && !options[:reverse]

      sqls = [sql, sql_for_relations(field, operator, value, :reverse => true)]

      sqls.join(["!", "!*", "!p"].include?(operator) ? " AND " : " OR ")

    else

      sql

    end

  end

  IssueRelation::TYPES.keys.each do |relation_type|

    alias_method "sql_for_#{relation_type}_field".to_sym, :sql_for_relations

  end

end

# Copyright (C) 2006-2013  Jean-Philippe Lang

class IssueRelation < ActiveRecord::Base

  # Class used to represent the relations of an issue

  class Relations < Array

    include Redmine::I18n

    def initialize(issue, *args)

      @issue = issue

      super(*args)

    end

    def to_s(*args)

      map {|relation| "#{l(relation.label_for(@issue))} ##{relation.other_issue(@issue).id}"}.join(', ')

    end

# Copyright (C) 2006-2013  Jean-Philippe Lang

  scope :sorted, lambda { order("#{table_name}.position ASC") }

# Copyright (C) 2006-2013  Jean-Philippe Lang

                :group => :issue,

# Copyright (C) 2006-2013  Jean-Philippe Lang

    case v

    when true

    when false

    when Date

      v.strftime("%Y-%m-%d")