Redmine/app/models/issue.rb

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# Redmine - project management software
# Copyright (C) 2006-2014 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 Issue < ActiveRecord::Base
include Redmine::SafeAttributes
include Redmine::Utils::DateCalculation
include Redmine::I18n
belongs_to :project
belongs_to :tracker
belongs_to :status, :class_name => 'IssueStatus', :foreign_key => 'status_id'
belongs_to :author, :class_name => 'User', :foreign_key => 'author_id'
belongs_to :assigned_to, :class_name => 'Principal', :foreign_key => 'assigned_to_id'
belongs_to :fixed_version, :class_name => 'Version', :foreign_key => 'fixed_version_id'
belongs_to :priority, :class_name => 'IssuePriority', :foreign_key => 'priority_id'
belongs_to :category, :class_name => 'IssueCategory', :foreign_key => 'category_id'
has_many :journals, :as => :journalized, :dependent => :destroy
has_many :visible_journals,
:class_name => 'Journal',
:as => :journalized,
:conditions => Proc.new {
["(#{Journal.table_name}.private_notes = ? OR (#{Project.allowed_to_condition(User.current, :view_private_notes)}))", false]
},
:readonly => true
has_many :time_entries, :dependent => :destroy
has_and_belongs_to_many :changesets, :order => "#{Changeset.table_name}.committed_on ASC, #{Changeset.table_name}.id ASC"
has_many :relations_from, :class_name => 'IssueRelation', :foreign_key => 'issue_from_id', :dependent => :delete_all
has_many :relations_to, :class_name => 'IssueRelation', :foreign_key => 'issue_to_id', :dependent => :delete_all
acts_as_nested_set :scope => 'root_id', :dependent => :destroy
acts_as_attachable :after_add => :attachment_added, :after_remove => :attachment_removed
acts_as_customizable
acts_as_watchable
acts_as_searchable :columns => ['subject', "#{table_name}.description", "#{Journal.table_name}.notes"],
:include => [:project, :visible_journals],
# sort by id so that limited eager loading doesn't break with postgresql
:order_column => "#{table_name}.id"
acts_as_event :title => Proc.new {|o| "#{o.tracker.name} ##{o.id} (#{o.status}): #{o.subject}"},
:url => Proc.new {|o| {:controller => 'issues', :action => 'show', :id => o.id}},
:type => Proc.new {|o| 'issue' + (o.closed? ? ' closed' : '') }
acts_as_activity_provider :find_options => {:include => [:project, :author, :tracker]},
:author_key => :author_id
DONE_RATIO_OPTIONS = %w(issue_field issue_status)
attr_reader :current_journal
delegate :notes, :notes=, :private_notes, :private_notes=, :to => :current_journal, :allow_nil => true
validates_presence_of :subject, :priority, :project, :tracker, :author, :status
validates_length_of :subject, :maximum => 255
validates_inclusion_of :done_ratio, :in => 0..100
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
validate :validate_issue, :validate_required_fields
scope :visible, lambda {|*args|
includes(:project).where(Issue.visible_condition(args.shift || User.current, *args))
}
scope :open, lambda {|*args|
is_closed = args.size > 0 ? !args.first : false
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_create :default_assign
before_save :close_duplicates, :update_done_ratio_from_issue_status,
:force_updated_on_change, :update_closed_on, :set_assigned_to_was
after_save {|issue| issue.send :after_project_change if !issue.id_changed? && issue.project_id_changed?}
after_save :reschedule_following_issues, :update_nested_set_attributes,
:update_parent_attributes, :create_journal
# Should be after_create but would be called before previous after_save callbacks
after_save :after_create_from_copy
after_destroy :update_parent_attributes
after_create :send_notification
# Keep it at the end of after_save callbacks
after_save :clear_assigned_to_was
# Returns a SQL conditions string used to find all issues visible by the specified user
def self.visible_condition(user, options={})
Project.allowed_to_condition(user, :view_issues, options) do |role, user|
if user.logged?
case role.issues_visibility
when 'all'
nil
when 'default'
user_ids = [user.id] + user.groups.map(&:id).compact
"(#{table_name}.is_private = #{connection.quoted_false} OR #{table_name}.author_id = #{user.id} OR #{table_name}.assigned_to_id IN (#{user_ids.join(',')}))"
when 'own'
user_ids = [user.id] + user.groups.map(&:id).compact
"(#{table_name}.author_id = #{user.id} OR #{table_name}.assigned_to_id IN (#{user_ids.join(',')}))"
else
'1=0'
end
else
"(#{table_name}.is_private = #{connection.quoted_false})"
end
end
end
# Returns true if usr or current user is allowed to view the issue
def visible?(usr=nil)
(usr || User.current).allowed_to?(:view_issues, self.project) do |role, user|
if user.logged?
case role.issues_visibility
when 'all'
true
when 'default'
!self.is_private? || (self.author == user || user.is_or_belongs_to?(assigned_to))
when 'own'
self.author == user || user.is_or_belongs_to?(assigned_to)
else
false
end
else
!self.is_private?
end
end
end
# 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 initialize(attributes=nil, *args)
super
if new_record?
# set default values for new records only
self.status ||= IssueStatus.default
self.priority ||= IssuePriority.default
self.watcher_user_ids = []
end
end
def create_or_update
super
ensure
@status_was = nil
end
private :create_or_update
# AR#Persistence#destroy would raise and RecordNotFound exception
# if the issue was already deleted or updated (non matching lock_version).
# This is a problem when bulk deleting issues or deleting a project
# (because an issue may already be deleted if its parent was deleted
# first).
# The issue is reloaded by the nested_set before being deleted so
# the lock_version condition should not be an issue but we handle it.
def destroy
super
rescue ActiveRecord::RecordNotFound
# Stale or already deleted
begin
reload
rescue ActiveRecord::RecordNotFound
# The issue was actually already deleted
@destroyed = true
return freeze
end
# The issue was stale, retry to destroy
super
end
alias :base_reload :reload
def reload(*args)
@workflow_rule_by_attribute = nil
@assignable_versions = nil
@relations = nil
base_reload(*args)
end
# Overrides Redmine::Acts::Customizable::InstanceMethods#available_custom_fields
def available_custom_fields
(project && tracker) ? (project.all_issue_custom_fields & tracker.custom_fields) : []
end
def visible_custom_field_values(user=nil)
user_real = user || User.current
custom_field_values.select do |value|
value.custom_field.visible_by?(project, user_real)
end
end
# Copies attributes from another issue, arg can be an id or an Issue
def copy_from(arg, options={})
issue = arg.is_a?(Issue) ? arg : Issue.visible.find(arg)
self.attributes = issue.attributes.dup.except("id", "root_id", "parent_id", "lft", "rgt", "created_on", "updated_on")
self.custom_field_values = issue.custom_field_values.inject({}) {|h,v| h[v.custom_field_id] = v.value; h}
self.status = issue.status
self.author = User.current
unless options[:attachments] == false
self.attachments = issue.attachments.map do |attachement|
attachement.copy(:container => self)
end
end
@copied_from = issue
@copy_options = options
self
end
# Returns an unsaved copy of the issue
def copy(attributes=nil, copy_options={})
copy = self.class.new.copy_from(self, copy_options)
copy.attributes = attributes if attributes
copy
end
# Returns true if the issue is a copy
def copy?
@copied_from.present?
end
# Moves/copies an issue to a new project and tracker
# Returns the moved/copied issue on success, false on failure
def move_to_project(new_project, new_tracker=nil, options={})
ActiveSupport::Deprecation.warn "Issue#move_to_project is deprecated, use #project= instead."
if options[:copy]
issue = self.copy
else
issue = self
end
issue.init_journal(User.current, options[:notes])
# Preserve previous behaviour
# #move_to_project doesn't change tracker automatically
issue.send :project=, new_project, true
if new_tracker
issue.tracker = new_tracker
end
# Allow bulk setting of attributes on the issue
if options[:attributes]
issue.attributes = options[:attributes]
end
issue.save ? issue : false
end
def status_id=(sid)
self.status = nil
result = write_attribute(:status_id, sid)
@workflow_rule_by_attribute = nil
result
end
def priority_id=(pid)
self.priority = nil
write_attribute(:priority_id, pid)
end
def category_id=(cid)
self.category = nil
write_attribute(:category_id, cid)
end
def fixed_version_id=(vid)
self.fixed_version = nil
write_attribute(:fixed_version_id, vid)
end
def tracker_id=(tid)
self.tracker = nil
result = write_attribute(:tracker_id, tid)
@custom_field_values = nil
@workflow_rule_by_attribute = nil
result
end
def project_id=(project_id)
if project_id.to_s != self.project_id.to_s
self.project = (project_id.present? ? Project.find_by_id(project_id) : nil)
end
end
def project=(project, keep_tracker=false)
project_was = self.project
write_attribute(:project_id, project ? project.id : nil)
association_instance_set('project', project)
if project_was && project && project_was != project
@assignable_versions = nil
unless keep_tracker || project.trackers.include?(tracker)
self.tracker = project.trackers.first
end
# Reassign to the category with same name if any
if category
self.category = project.issue_categories.find_by_name(category.name)
end
# Keep the fixed_version if it's still valid in the new_project
if fixed_version && fixed_version.project != project && !project.shared_versions.include?(fixed_version)
self.fixed_version = nil
end
# Clear the parent task if it's no longer valid
unless valid_parent_project?
self.parent_issue_id = nil
end
@custom_field_values = nil
end
end
def description=(arg)
if arg.is_a?(String)
arg = arg.gsub(/(\r\n|\n|\r)/, "\r\n")
end
write_attribute(:description, arg)
end
# Overrides assign_attributes so that project and tracker get assigned first
def assign_attributes_with_project_and_tracker_first(new_attributes, *args)
return if new_attributes.nil?
attrs = new_attributes.dup
attrs.stringify_keys!
%w(project project_id tracker tracker_id).each do |attr|
if attrs.has_key?(attr)
send "#{attr}=", attrs.delete(attr)
end
end
send :assign_attributes_without_project_and_tracker_first, attrs, *args
end
# Do not redefine alias chain on reload (see #4838)
alias_method_chain(:assign_attributes, :project_and_tracker_first) unless method_defined?(:assign_attributes_without_project_and_tracker_first)
def estimated_hours=(h)
write_attribute :estimated_hours, (h.is_a?(String) ? h.to_hours : h)
end
safe_attributes 'project_id',
:if => lambda {|issue, user|
if issue.new_record?
issue.copy?
elsif user.allowed_to?(:move_issues, issue.project)
Issue.allowed_target_projects_on_move.count > 1
end
}
safe_attributes 'tracker_id',
'status_id',
'category_id',
'assigned_to_id',
'priority_id',
'fixed_version_id',
'subject',
'description',
'start_date',
'due_date',
'done_ratio',
'estimated_hours',
'custom_field_values',
'custom_fields',
'lock_version',
'notes',
:if => lambda {|issue, user| issue.new_record? || user.allowed_to?(:edit_issues, issue.project) }
safe_attributes 'status_id',
'assigned_to_id',
'fixed_version_id',
'done_ratio',
'lock_version',
'notes',
:if => lambda {|issue, user| issue.new_statuses_allowed_to(user).any? }
safe_attributes 'notes',
:if => lambda {|issue, user| user.allowed_to?(:add_issue_notes, issue.project)}
safe_attributes 'private_notes',
:if => lambda {|issue, user| !issue.new_record? && user.allowed_to?(:set_notes_private, issue.project)}
safe_attributes 'watcher_user_ids',
:if => lambda {|issue, user| issue.new_record? && user.allowed_to?(:add_issue_watchers, issue.project)}
safe_attributes 'is_private',
:if => lambda {|issue, user|
user.allowed_to?(:set_issues_private, issue.project) ||
(issue.author == user && user.allowed_to?(:set_own_issues_private, issue.project))
}
safe_attributes 'parent_issue_id',
:if => lambda {|issue, user| (issue.new_record? || user.allowed_to?(:edit_issues, issue.project)) &&
user.allowed_to?(:manage_subtasks, issue.project)}
def safe_attribute_names(user=nil)
names = super
names -= disabled_core_fields
names -= read_only_attribute_names(user)
names
end
# Safely sets attributes
# Should be called from controllers instead of #attributes=
# attr_accessible is too rough because we still want things like
# Issue.new(:project => foo) to work
def safe_attributes=(attrs, user=User.current)
return unless attrs.is_a?(Hash)
attrs = attrs.dup
# Project and Tracker must be set before since new_statuses_allowed_to depends on it.
if (p = attrs.delete('project_id')) && safe_attribute?('project_id')
if allowed_target_projects(user).where(:id => p.to_i).exists?
self.project_id = p
end
end
if (t = attrs.delete('tracker_id')) && safe_attribute?('tracker_id')
self.tracker_id = t
end
if (s = attrs.delete('status_id')) && safe_attribute?('status_id')
if new_statuses_allowed_to(user).collect(&:id).include?(s.to_i)
self.status_id = s
end
end
attrs = delete_unsafe_attributes(attrs, user)
return if attrs.empty?
unless leaf?
attrs.reject! {|k,v| %w(priority_id done_ratio start_date due_date estimated_hours).include?(k)}
end
if attrs['parent_issue_id'].present?
s = attrs['parent_issue_id'].to_s
unless (m = s.match(%r{\A#?(\d+)\z})) && (m[1] == parent_id.to_s || Issue.visible(user).exists?(m[1]))
@invalid_parent_issue_id = attrs.delete('parent_issue_id')
end
end
if attrs['custom_field_values'].present?
editable_custom_field_ids = editable_custom_field_values(user).map {|v| v.custom_field_id.to_s}
# TODO: use #select when ruby1.8 support is dropped
attrs['custom_field_values'] = attrs['custom_field_values'].reject {|k, v| !editable_custom_field_ids.include?(k.to_s)}
end
if attrs['custom_fields'].present?
editable_custom_field_ids = editable_custom_field_values(user).map {|v| v.custom_field_id.to_s}
# TODO: use #select when ruby1.8 support is dropped
attrs['custom_fields'] = attrs['custom_fields'].reject {|c| !editable_custom_field_ids.include?(c['id'].to_s)}
end
# mass-assignment security bypass
assign_attributes attrs, :without_protection => true
end
def disabled_core_fields
tracker ? tracker.disabled_core_fields : []
end
# Returns the custom_field_values that can be edited by the given user
def editable_custom_field_values(user=nil)
visible_custom_field_values(user).reject do |value|
read_only_attribute_names(user).include?(value.custom_field_id.to_s)
end
end
# Returns the names of attributes that are read-only for user or the current user
# For users with multiple roles, the read-only fields are the intersection of
# read-only fields of each role
# The result is an array of strings where sustom fields are represented with their ids
#
# Examples:
# issue.read_only_attribute_names # => ['due_date', '2']
# issue.read_only_attribute_names(user) # => []
def read_only_attribute_names(user=nil)
workflow_rule_by_attribute(user).reject {|attr, rule| rule != 'readonly'}.keys
end
# Returns the names of required attributes for user or the current user
# For users with multiple roles, the required fields are the intersection of
# required fields of each role
# The result is an array of strings where sustom fields are represented with their ids
#
# Examples:
# issue.required_attribute_names # => ['due_date', '2']
# issue.required_attribute_names(user) # => []
def required_attribute_names(user=nil)
workflow_rule_by_attribute(user).reject {|attr, rule| rule != 'required'}.keys
end
# Returns true if the attribute is required for user
def required_attribute?(name, user=nil)
required_attribute_names(user).include?(name.to_s)
end
# Returns a hash of the workflow rule by attribute for the given user
#
# Examples:
# issue.workflow_rule_by_attribute # => {'due_date' => 'required', 'start_date' => 'readonly'}
def workflow_rule_by_attribute(user=nil)
return @workflow_rule_by_attribute if @workflow_rule_by_attribute && user.nil?
user_real = user || User.current
roles = user_real.admin ? Role.all : user_real.roles_for_project(project)
return {} if roles.empty?
result = {}
workflow_permissions = WorkflowPermission.where(:tracker_id => tracker_id, :old_status_id => status_id, :role_id => roles.map(&:id)).all
if workflow_permissions.any?
workflow_rules = workflow_permissions.inject({}) do |h, wp|
h[wp.field_name] ||= []
h[wp.field_name] << wp.rule
h
end
workflow_rules.each do |attr, rules|
next if rules.size < roles.size
uniq_rules = rules.uniq
if uniq_rules.size == 1
result[attr] = uniq_rules.first
else
result[attr] = 'required'
end
end
end
@workflow_rule_by_attribute = result if user.nil?
result
end
private :workflow_rule_by_attribute
def done_ratio
if Issue.use_status_for_done_ratio? && status && status.default_done_ratio
status.default_done_ratio
else
read_attribute(:done_ratio)
end
end
def self.use_status_for_done_ratio?
Setting.issue_done_ratio == 'issue_status'
end
def self.use_field_for_done_ratio?
Setting.issue_done_ratio == 'issue_field'
end
def validate_issue
if due_date && start_date && (start_date_changed? || due_date_changed?) && due_date < start_date
errors.add :due_date, :greater_than_start_date
end
if start_date && start_date_changed? && soonest_start && start_date < soonest_start
errors.add :start_date, :earlier_than_minimum_start_date, :date => format_date(soonest_start)
end
if fixed_version
if !assignable_versions.include?(fixed_version)
errors.add :fixed_version_id, :inclusion
elsif reopened? && fixed_version.closed?
errors.add :base, I18n.t(:error_can_not_reopen_issue_on_closed_version)
end
end
# Checks that the issue can not be added/moved to a disabled tracker
if project && (tracker_id_changed? || project_id_changed?)
unless project.trackers.include?(tracker)
errors.add :tracker_id, :inclusion
end
end
# Checks parent issue assignment
if @invalid_parent_issue_id.present?
errors.add :parent_issue_id, :invalid
elsif @parent_issue
if !valid_parent_project?(@parent_issue)
errors.add :parent_issue_id, :invalid
elsif (@parent_issue != parent) && (all_dependent_issues.include?(@parent_issue) || @parent_issue.all_dependent_issues.include?(self))
errors.add :parent_issue_id, :invalid
elsif !new_record?
# moving an existing issue
if @parent_issue.root_id != root_id
# we can always move to another tree
elsif move_possible?(@parent_issue)
# move accepted inside tree
else
errors.add :parent_issue_id, :invalid
end
end
end
end
# Validates the issue against additional workflow requirements
def validate_required_fields
user = new_record? ? author : current_journal.try(:user)
required_attribute_names(user).each do |attribute|
if attribute =~ /^\d+$/
attribute = attribute.to_i
v = custom_field_values.detect {|v| v.custom_field_id == attribute }
if v && v.value.blank?
errors.add :base, v.custom_field.name + ' ' + l('activerecord.errors.messages.blank')
end
else
if respond_to?(attribute) && send(attribute).blank?
errors.add attribute, :blank
end
end
end
end
# Set the done_ratio using the status if that setting is set. This will keep the done_ratios
# even if the user turns off the setting later
def update_done_ratio_from_issue_status
if Issue.use_status_for_done_ratio? && status && status.default_done_ratio
self.done_ratio = status.default_done_ratio
end
end
def init_journal(user, notes = "")
@current_journal ||= Journal.new(:journalized => self, :user => user, :notes => notes)
if new_record?
@current_journal.notify = false
else
@attributes_before_change = attributes.dup
@custom_values_before_change = {}
self.custom_field_values.each {|c| @custom_values_before_change.store c.custom_field_id, c.value }
end
@current_journal
end
# Returns the id of the last journal or nil
def last_journal_id
if new_record?
nil
else
journals.maximum(:id)
end
end
# Returns a scope for journals that have an id greater than journal_id
def journals_after(journal_id)
scope = journals.reorder("#{Journal.table_name}.id ASC")
if journal_id.present?
scope = scope.where("#{Journal.table_name}.id > ?", journal_id.to_i)
end
scope
end
# 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
# Return true if the issue is closed, otherwise false
def closed?
self.status.is_closed?
end
# Return true if the issue is being reopened
def reopened?
if !new_record? && status_id_changed?
status_was = IssueStatus.find_by_id(status_id_was)
status_new = IssueStatus.find_by_id(status_id)
if status_was && status_new && status_was.is_closed? && !status_new.is_closed?
return true
end
end
false
end
# Return true if the issue is being closed
def closing?
if !new_record? && status_id_changed?
if status_was && status && !status_was.is_closed? && status.is_closed?
return true
end
end
false
end
# Returns true if the issue is overdue
def overdue?
!due_date.nil? && (due_date < Date.today) && !status.is_closed?
end
# Is the amount of work done less than it should for the due date
def behind_schedule?
return false if start_date.nil? || due_date.nil?
done_date = start_date + ((due_date - start_date + 1) * done_ratio / 100).floor
return done_date <= Date.today
end
# Does this issue have children?
def children?
!leaf?
end
# Users the issue can be assigned to
def assignable_users
users = project.assignable_users
users << author if author
users << assigned_to if assigned_to
users.uniq.sort
end
# Versions that the issue can be assigned to
def assignable_versions
return @assignable_versions if @assignable_versions
versions = project.shared_versions.open.all
if fixed_version
if fixed_version_id_changed?
# nothing to do
elsif project_id_changed?
if project.shared_versions.include?(fixed_version)
versions << fixed_version
end
else
versions << fixed_version
end
end
@assignable_versions = versions.uniq.sort
end
# Returns true if this issue is blocked by another issue that is still open
def blocked?
!relations_to.detect {|ir| ir.relation_type == 'blocks' && !ir.issue_from.closed?}.nil?
end
# Returns an array of statuses that user is able to apply
def new_statuses_allowed_to(user=User.current, include_default=false)
if new_record? && @copied_from
[IssueStatus.default, @copied_from.status].compact.uniq.sort
else
initial_status = nil
if new_record?
initial_status = IssueStatus.default
elsif status_id_was
initial_status = IssueStatus.find_by_id(status_id_was)
end
initial_status ||= status
initial_assigned_to_id = assigned_to_id_changed? ? assigned_to_id_was : assigned_to_id
assignee_transitions_allowed = initial_assigned_to_id.present? &&
(user.id == initial_assigned_to_id || user.group_ids.include?(initial_assigned_to_id))
statuses = initial_status.find_new_statuses_allowed_to(
user.admin ? Role.all : user.roles_for_project(project),
tracker,
author == user,
assignee_transitions_allowed
)
statuses << initial_status unless statuses.empty?
statuses << IssueStatus.default if include_default
statuses = statuses.compact.uniq.sort
blocked? ? statuses.reject {|s| s.is_closed?} : statuses
end
end
# Returns the previous assignee if changed
def assigned_to_was
# assigned_to_id_was is reset before after_save callbacks
user_id = @previous_assigned_to_id || assigned_to_id_was
if user_id && user_id != assigned_to_id
@assigned_to_was ||= User.find_by_id(user_id)
end
end
# Returns the users that should be notified
def notified_users
notified = []
# Author and assignee are always notified unless they have been
# locked or don't want to be notified
notified << author if author
if assigned_to
notified += (assigned_to.is_a?(Group) ? assigned_to.users : [assigned_to])
end
if assigned_to_was
notified += (assigned_to_was.is_a?(Group) ? assigned_to_was.users : [assigned_to_was])
end
notified = notified.select {|u| u.active? && u.notify_about?(self)}
notified += project.notified_users
notified.uniq!
# Remove users that can not view the issue
notified.reject! {|user| !visible?(user)}
notified
end
# Returns the email addresses that should be notified
def recipients
notified_users.collect(&:mail)
end
def each_notification(users, &block)
if users.any?
if custom_field_values.detect {|value| !value.custom_field.visible?}
users_by_custom_field_visibility = users.group_by do |user|
visible_custom_field_values(user).map(&:custom_field_id).sort
end
users_by_custom_field_visibility.values.each do |users|
yield(users)
end
else
yield(users)
end
end
end
# Returns the number of hours spent on this issue
def spent_hours
@spent_hours ||= time_entries.sum(:hours) || 0
end
# Returns the total number of hours spent on this issue and its descendants
#
# Example:
# spent_hours => 0.0
# spent_hours => 50.2
def total_spent_hours
@total_spent_hours ||=
self_and_descendants.
joins("LEFT JOIN #{TimeEntry.table_name} ON #{TimeEntry.table_name}.issue_id = #{Issue.table_name}.id").
sum("#{TimeEntry.table_name}.hours").to_f || 0.0
end
def relations
@relations ||= IssueRelation::Relations.new(self, (relations_from + relations_to).sort)
end
# Preloads relations for a collection of issues
def self.load_relations(issues)
if issues.any?
relations = IssueRelation.where("issue_from_id IN (:ids) OR issue_to_id IN (:ids)", :ids => issues.map(&:id)).all
issues.each do |issue|
issue.instance_variable_set "@relations", relations.select {|r| r.issue_from_id == issue.id || r.issue_to_id == issue.id}
end
end
end
# Preloads visible spent time for a collection of issues
def self.load_visible_spent_hours(issues, user=User.current)
if issues.any?
hours_by_issue_id = TimeEntry.visible(user).group(:issue_id).sum(:hours)
issues.each do |issue|
issue.instance_variable_set "@spent_hours", (hours_by_issue_id[issue.id] || 0)
end
end
end
# Preloads visible relations for a collection of issues
def self.load_visible_relations(issues, user=User.current)
if issues.any?
issue_ids = issues.map(&:id)
# Relations with issue_from in given issues and visible issue_to
relations_from = IssueRelation.includes(:issue_to => [:status, :project]).where(visible_condition(user)).where(:issue_from_id => issue_ids).all
# Relations with issue_to in given issues and visible issue_from
relations_to = IssueRelation.includes(:issue_from => [:status, :project]).where(visible_condition(user)).where(:issue_to_id => issue_ids).all
issues.each do |issue|
relations =
relations_from.select {|relation| relation.issue_from_id == issue.id} +
relations_to.select {|relation| relation.issue_to_id == issue.id}
issue.instance_variable_set "@relations", IssueRelation::Relations.new(issue, relations.sort)
end
end
end
# Finds an issue relation given its id.
def find_relation(relation_id)
IssueRelation.where("issue_to_id = ? OR issue_from_id = ?", id, id).find(relation_id)
end
# Returns all the other issues that depend on the issue
# The algorithm is a modified breadth first search (bfs)
def all_dependent_issues(except=[])
# The found dependencies
dependencies = []
# The visited flag for every node (issue) used by the breadth first search
eNOT_DISCOVERED = 0 # The issue is "new" to the algorithm, it has not seen it before.
ePROCESS_ALL = 1 # The issue is added to the queue. Process both children and relations of
# the issue when it is processed.
ePROCESS_RELATIONS_ONLY = 2 # The issue was added to the queue and will be output as dependent issue,
# but its children will not be added to the queue when it is processed.
eRELATIONS_PROCESSED = 3 # The related issues, the parent issue and the issue itself have been added to
# the queue, but its children have not been added.
ePROCESS_CHILDREN_ONLY = 4 # The relations and the parent of the issue have been added to the queue, but
# the children still need to be processed.
eALL_PROCESSED = 5 # The issue and all its children, its parent and its related issues have been
# added as dependent issues. It needs no further processing.
issue_status = Hash.new(eNOT_DISCOVERED)
# The queue
queue = []
# Initialize the bfs, add start node (self) to the queue
queue << self
issue_status[self] = ePROCESS_ALL
while (!queue.empty?) do
current_issue = queue.shift
current_issue_status = issue_status[current_issue]
dependencies << current_issue
# Add parent to queue, if not already in it.
parent = current_issue.parent
parent_status = issue_status[parent]
if parent && (parent_status == eNOT_DISCOVERED) && !except.include?(parent)
queue << parent
issue_status[parent] = ePROCESS_RELATIONS_ONLY
end
# Add children to queue, but only if they are not already in it and
# the children of the current node need to be processed.
if (current_issue_status == ePROCESS_CHILDREN_ONLY || current_issue_status == ePROCESS_ALL)
current_issue.children.each do |child|
next if except.include?(child)
if (issue_status[child] == eNOT_DISCOVERED)
queue << child
issue_status[child] = ePROCESS_ALL
elsif (issue_status[child] == eRELATIONS_PROCESSED)
queue << child
issue_status[child] = ePROCESS_CHILDREN_ONLY
elsif (issue_status[child] == ePROCESS_RELATIONS_ONLY)
queue << child
issue_status[child] = ePROCESS_ALL
end
end
end
# Add related issues to the queue, if they are not already in it.
current_issue.relations_from.map(&:issue_to).each do |related_issue|
next if except.include?(related_issue)
if (issue_status[related_issue] == eNOT_DISCOVERED)
queue << related_issue
issue_status[related_issue] = ePROCESS_ALL
elsif (issue_status[related_issue] == eRELATIONS_PROCESSED)
queue << related_issue
issue_status[related_issue] = ePROCESS_CHILDREN_ONLY
elsif (issue_status[related_issue] == ePROCESS_RELATIONS_ONLY)
queue << related_issue
issue_status[related_issue] = ePROCESS_ALL
end
end
# Set new status for current issue
if (current_issue_status == ePROCESS_ALL) || (current_issue_status == ePROCESS_CHILDREN_ONLY)
issue_status[current_issue] = eALL_PROCESSED
elsif (current_issue_status == ePROCESS_RELATIONS_ONLY)
issue_status[current_issue] = eRELATIONS_PROCESSED
end
end # while
# Remove the issues from the "except" parameter from the result array
dependencies -= except
dependencies.delete(self)
dependencies
end
# Returns an array of issues that duplicate this one
def duplicates
relations_to.select {|r| r.relation_type == IssueRelation::TYPE_DUPLICATES}.collect {|r| r.issue_from}
end
# Returns the due date or the target due date if any
# Used on gantt chart
def due_before
due_date || (fixed_version ? fixed_version.effective_date : nil)
end
# Returns the time scheduled for this issue.
#
# Example:
# Start Date: 2/26/09, End Date: 3/04/09
# duration => 6
def duration
(start_date && due_date) ? due_date - start_date : 0
end
# Returns the duration in working days
def working_duration
(start_date && due_date) ? working_days(start_date, due_date) : 0
end
def soonest_start(reload=false)
@soonest_start = nil if reload
@soonest_start ||= (
relations_to(reload).collect{|relation| relation.successor_soonest_start} +
[(@parent_issue || parent).try(:soonest_start)]
).compact.max
end
# Sets start_date on the given date or the next working day
# and changes due_date to keep the same working duration.
def reschedule_on(date)
wd = working_duration
date = next_working_date(date)
self.start_date = date
self.due_date = add_working_days(date, wd)
end
# Reschedules the issue on the given date or the next working day and saves the record.
# If the issue is a parent task, this is done by rescheduling its subtasks.
def reschedule_on!(date)
return if date.nil?
if leaf?
if start_date.nil? || start_date != date
if start_date && start_date > date
# Issue can not be moved earlier than its soonest start date
date = [soonest_start(true), date].compact.max
end
reschedule_on(date)
begin
save
rescue ActiveRecord::StaleObjectError
reload
reschedule_on(date)
save
end
end
else
leaves.each do |leaf|
if leaf.start_date
# Only move subtask if it starts at the same date as the parent
# or if it starts before the given date
if start_date == leaf.start_date || date > leaf.start_date
leaf.reschedule_on!(date)
end
else
leaf.reschedule_on!(date)
end
end
end
end
def <=>(issue)
if issue.nil?
-1
elsif root_id != issue.root_id
(root_id || 0) <=> (issue.root_id || 0)
else
(lft || 0) <=> (issue.lft || 0)
end
end
def to_s
"#{tracker} ##{id}: #{subject}"
end
# Returns a string of css classes that apply to the issue
def css_classes(user=User.current)
s = "issue tracker-#{tracker_id} status-#{status_id} #{priority.try(:css_classes)}"
s << ' closed' if closed?
s << ' overdue' if overdue?
s << ' child' if child?
s << ' parent' unless leaf?
s << ' private' if is_private?
if user.logged?
s << ' created-by-me' if author_id == user.id
s << ' assigned-to-me' if assigned_to_id == user.id
s << ' assigned-to-my-group' if user.groups.any? {|g| g.id == assigned_to_id}
end
s
end
# Unassigns issues from +version+ if it's no longer shared with issue's project
def self.update_versions_from_sharing_change(version)
# Update issues assigned to the version
update_versions(["#{Issue.table_name}.fixed_version_id = ?", version.id])
end
# Unassigns issues from versions that are no longer shared
# after +project+ was moved
def self.update_versions_from_hierarchy_change(project)
moved_project_ids = project.self_and_descendants.reload.collect(&:id)
# Update issues of the moved projects and issues assigned to a version of a moved project
Issue.update_versions(["#{Version.table_name}.project_id IN (?) OR #{Issue.table_name}.project_id IN (?)", moved_project_ids, moved_project_ids])
end
def parent_issue_id=(arg)
s = arg.to_s.strip.presence
if s && (m = s.match(%r{\A#?(\d+)\z})) && (@parent_issue = Issue.find_by_id(m[1]))
@parent_issue.id
@invalid_parent_issue_id = nil
elsif s.blank?
@parent_issue = nil
@invalid_parent_issue_id = nil
else
@parent_issue = nil
@invalid_parent_issue_id = arg
end
end
def parent_issue_id
if @invalid_parent_issue_id
@invalid_parent_issue_id
elsif instance_variable_defined? :@parent_issue
@parent_issue.nil? ? nil : @parent_issue.id
else
parent_id
end
end
# Returns true if issue's project is a valid
# parent issue project
def valid_parent_project?(issue=parent)
return true if issue.nil? || issue.project_id == project_id
case Setting.cross_project_subtasks
when 'system'
true
when 'tree'
issue.project.root == project.root
when 'hierarchy'
issue.project.is_or_is_ancestor_of?(project) || issue.project.is_descendant_of?(project)
when 'descendants'
issue.project.is_or_is_ancestor_of?(project)
else
false
end
end
# Extracted from the ReportsController.
def self.by_tracker(project)
count_and_group_by(:project => project,
:field => 'tracker_id',
:joins => Tracker.table_name)
end
def self.by_version(project)
count_and_group_by(:project => project,
:field => 'fixed_version_id',
:joins => Version.table_name)
end
def self.by_priority(project)
count_and_group_by(:project => project,
:field => 'priority_id',
:joins => IssuePriority.table_name)
end
def self.by_category(project)
count_and_group_by(:project => project,
:field => 'category_id',
:joins => IssueCategory.table_name)
end
def self.by_assigned_to(project)
count_and_group_by(:project => project,
:field => 'assigned_to_id',
:joins => User.table_name)
end
def self.by_author(project)
count_and_group_by(:project => project,
:field => 'author_id',
:joins => User.table_name)
end
def self.by_subproject(project)
ActiveRecord::Base.connection.select_all("select s.id as status_id,
s.is_closed as closed,
#{Issue.table_name}.project_id as project_id,
count(#{Issue.table_name}.id) as total
from
#{Issue.table_name}, #{Project.table_name}, #{IssueStatus.table_name} s
where
#{Issue.table_name}.status_id=s.id
and #{Issue.table_name}.project_id = #{Project.table_name}.id
and #{visible_condition(User.current, :project => project, :with_subprojects => true)}
and #{Issue.table_name}.project_id <> #{project.id}
group by s.id, s.is_closed, #{Issue.table_name}.project_id") if project.descendants.active.any?
end
# End ReportsController extraction
# Returns a scope of projects that user can assign the issue to
def allowed_target_projects(user=User.current)
if new_record?
Project.where(Project.allowed_to_condition(user, :add_issues))
else
self.class.allowed_target_projects_on_move(user)
end
end
# Returns a scope of projects that user can move issues to
def self.allowed_target_projects_on_move(user=User.current)
Project.where(Project.allowed_to_condition(user, :move_issues))
end
private
def after_project_change
# Update project_id on related time entries
TimeEntry.where({:issue_id => id}).update_all(["project_id = ?", project_id])
# Delete issue relations
unless Setting.cross_project_issue_relations?
relations_from.clear
relations_to.clear
end
# Move subtasks that were in the same project
children.each do |child|
next unless child.project_id == project_id_was
# Change project and keep project
child.send :project=, project, true
unless child.save
raise ActiveRecord::Rollback
end
end
end
# Callback for after the creation of an issue by copy
# * adds a "copied to" relation with the copied issue
# * copies subtasks from the copied issue
def after_create_from_copy
return unless copy? && !@after_create_from_copy_handled
if (@copied_from.project_id == project_id || Setting.cross_project_issue_relations?) && @copy_options[:link] != false
relation = IssueRelation.new(:issue_from => @copied_from, :issue_to => self, :relation_type => IssueRelation::TYPE_COPIED_TO)
unless relation.save
logger.error "Could not create relation while copying ##{@copied_from.id} to ##{id} due to validation errors: #{relation.errors.full_messages.join(', ')}" if logger
end
end
unless @copied_from.leaf? || @copy_options[:subtasks] == false
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
unless child.visible?
logger.error "Subtask ##{child.id} was not copied during ##{@copied_from.id} copy because it is not visible to the current user" if logger
next
end
copy = Issue.new.copy_from(child, copy_options)
copy.author = author
copy.project = project
copy.parent_issue_id = copied_issue_ids[child.parent_id]
unless copy.save
logger.error "Could not copy subtask ##{child.id} while copying ##{@copied_from.id} to ##{id} due to validation errors: #{copy.errors.full_messages.join(', ')}" if logger
next
end
copied_issue_ids[child.id] = copy.id
end
end
@after_create_from_copy_handled = true
end
def update_nested_set_attributes
if root_id.nil?
# issue was just created
self.root_id = (@parent_issue.nil? ? id : @parent_issue.root_id)
set_default_left_and_right
Issue.where(["id = ?", id]).
update_all(["root_id = ?, lft = ?, rgt = ?", root_id, lft, rgt])
if @parent_issue
move_to_child_of(@parent_issue)
end
elsif parent_issue_id != parent_id
update_nested_set_attributes_on_parent_change
end
remove_instance_variable(:@parent_issue) if instance_variable_defined?(:@parent_issue)
end
# Updates the nested set for when an existing issue is moved
def update_nested_set_attributes_on_parent_change
former_parent_id = parent_id
# moving an existing issue
if @parent_issue && @parent_issue.root_id == root_id
# inside the same tree
move_to_child_of(@parent_issue)
else
# to another tree
unless root?
move_to_right_of(root)
end
old_root_id = root_id
in_tenacious_transaction do
@parent_issue.reload_nested_set if @parent_issue
self.reload_nested_set
self.root_id = (@parent_issue.nil? ? id : @parent_issue.root_id)
cond = ["root_id = ? AND lft >= ? AND rgt <= ? ", old_root_id, lft, rgt]
self.class.base_class.select('id').lock(true).where(cond)
target_maxright = nested_set_scope.maximum(right_column_name) || 0
offset = target_maxright + 1 - lft
Issue.where(cond).
update_all(["root_id = ?, lft = lft + ?, rgt = rgt + ?", root_id, offset, offset])
self[left_column_name] = lft + offset
self[right_column_name] = rgt + offset
end
if @parent_issue
move_to_child_of(@parent_issue)
end
end
# delete invalid relations of all descendants
self_and_descendants.each do |issue|
issue.relations.each do |relation|
relation.destroy unless relation.valid?
end
end
# update former parent
recalculate_attributes_for(former_parent_id) if former_parent_id
end
def update_parent_attributes
recalculate_attributes_for(parent_id) if parent_id
end
def recalculate_attributes_for(issue_id)
if issue_id && p = Issue.find_by_id(issue_id)
# priority = highest priority of children
if priority_position = p.children.joins(:priority).maximum("#{IssuePriority.table_name}.position")
p.priority = IssuePriority.find_by_position(priority_position)
end
# start/due dates = lowest/highest dates of children
p.start_date = p.children.minimum(:start_date)
p.due_date = p.children.maximum(:due_date)
if p.start_date && p.due_date && p.due_date < p.start_date
p.start_date, p.due_date = p.due_date, p.start_date
end
# done ratio = weighted average ratio of leaves
unless Issue.use_status_for_done_ratio? && p.status && p.status.default_done_ratio
leaves_count = p.leaves.count
if leaves_count > 0
average = p.leaves.where("estimated_hours > 0").average(:estimated_hours).to_f
if average == 0
average = 1
end
done = p.leaves.joins(:status).
sum("COALESCE(CASE WHEN estimated_hours > 0 THEN estimated_hours ELSE NULL END, #{average}) " +
"* (CASE WHEN is_closed = #{connection.quoted_true} THEN 100 ELSE COALESCE(done_ratio, 0) END)").to_f
progress = done / (average * leaves_count)
p.done_ratio = progress.round
end
end
# estimate = sum of leaves estimates
p.estimated_hours = p.leaves.sum(:estimated_hours).to_f
p.estimated_hours = nil if p.estimated_hours == 0.0
# ancestors will be recursively updated
p.save(:validate => false)
end
end
# Update issues so their versions are not pointing to a
# fixed_version that is not shared with the issue's project
def self.update_versions(conditions=nil)
# Only need to update issues with a fixed_version from
# a different project and that is not systemwide shared
Issue.includes(:project, :fixed_version).
where("#{Issue.table_name}.fixed_version_id IS NOT NULL" +
" AND #{Issue.table_name}.project_id <> #{Version.table_name}.project_id" +
" AND #{Version.table_name}.sharing <> 'system'").
where(conditions).each do |issue|
next if issue.project.nil? || issue.fixed_version.nil?
unless issue.project.shared_versions.include?(issue.fixed_version)
issue.init_journal(User.current)
issue.fixed_version = nil
issue.save
end
end
end
# Callback on file attachment
def attachment_added(obj)
if @current_journal && !obj.new_record?
@current_journal.details << JournalDetail.new(:property => 'attachment', :prop_key => obj.id, :value => obj.filename)
end
end
# Callback on attachment deletion
def attachment_removed(obj)
if @current_journal && !obj.new_record?
@current_journal.details << JournalDetail.new(:property => 'attachment', :prop_key => obj.id, :old_value => obj.filename)
@current_journal.save
end
end
# Default assignment based on category
def default_assign
if assigned_to.nil? && category && category.assigned_to
self.assigned_to = category.assigned_to
end
end
# Updates start/due dates of following issues
def reschedule_following_issues
if start_date_changed? || due_date_changed?
relations_from.each do |relation|
relation.set_issue_to_dates
end
end
end
# Closes duplicates if the issue is being closed
def close_duplicates
if closing?
duplicates.each do |duplicate|
# Reload is need in case the duplicate was updated by a previous duplicate
duplicate.reload
# Don't re-close it if it's already closed
next if duplicate.closed?
# Same user and notes
if @current_journal
duplicate.init_journal(@current_journal.user, @current_journal.notes)
end
duplicate.update_attribute :status, self.status
end
end
end
# 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
def force_updated_on_change
if @current_journal || changed?
self.updated_on = current_time_from_proper_timezone
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
end
end
# Saves the changes in a Journal
# Called after_save
def create_journal
if @current_journal
# attributes changes
if @attributes_before_change
(Issue.column_names - %w(id root_id lft rgt lock_version created_on updated_on closed_on)).each {|c|
before = @attributes_before_change[c]
after = send(c)
next if before == after || (before.blank? && after.blank?)
@current_journal.details << JournalDetail.new(:property => 'attr',
:prop_key => c,
:old_value => before,
:value => after)
}
end
if @custom_values_before_change
# custom fields changes
custom_field_values.each {|c|
before = @custom_values_before_change[c.custom_field_id]
after = c.value
next if before == after || (before.blank? && after.blank?)
if before.is_a?(Array) || after.is_a?(Array)
before = [before] unless before.is_a?(Array)
after = [after] unless after.is_a?(Array)
# values removed
(before - after).reject(&:blank?).each do |value|
@current_journal.details << JournalDetail.new(:property => 'cf',
:prop_key => c.custom_field_id,
:old_value => value,
:value => nil)
end
# values added
(after - before).reject(&:blank?).each do |value|
@current_journal.details << JournalDetail.new(:property => 'cf',
:prop_key => c.custom_field_id,
:old_value => nil,
:value => value)
end
else
@current_journal.details << JournalDetail.new(:property => 'cf',
:prop_key => c.custom_field_id,
:old_value => before,
:value => after)
end
}
end
@current_journal.save
# reset current journal
init_journal @current_journal.user, @current_journal.notes
end
end
def send_notification
if Setting.notified_events.include?('issue_added')
Mailer.deliver_issue_add(self)
end
end
# Stores the previous assignee so we can still have access
# to it during after_save callbacks (assigned_to_id_was is reset)
def set_assigned_to_was
@previous_assigned_to_id = assigned_to_id_was
end
# Clears the previous assignee at the end of after_save callbacks
def clear_assigned_to_was
@assigned_to_was = nil
@previous_assigned_to_id = nil
end
# Query generator for selecting groups of issue counts for a project
# based on specific criteria
#
# Options
# * project - Project to search in.
# * field - String. Issue field to key off of in the grouping.
# * joins - String. The table name to join against.
def self.count_and_group_by(options)
project = options.delete(:project)
select_field = options.delete(:field)
joins = options.delete(:joins)
where = "#{Issue.table_name}.#{select_field}=j.id"
ActiveRecord::Base.connection.select_all("select s.id as status_id,
s.is_closed as closed,
j.id as #{select_field},
count(#{Issue.table_name}.id) as total
from
#{Issue.table_name}, #{Project.table_name}, #{IssueStatus.table_name} s, #{joins} j
where
#{Issue.table_name}.status_id=s.id
and #{where}
and #{Issue.table_name}.project_id=#{Project.table_name}.id
and #{visible_condition(User.current, :project => project)}
group by s.id, s.is_closed, j.id")
end
end