annotate app/models/.svn/text-base/issue_relation.rb.svn-base @ 507:0c939c159af4 redmine-1.2

Update to Redmine 1.2.1 on 1.2-stable branch (Redmine SVN rev 6270)
author Chris Cannam
date Thu, 14 Jul 2011 10:32:19 +0100
parents 8661b858af72
children
rev   line source
Chris@0 1 # redMine - project management software
Chris@0 2 # Copyright (C) 2006-2007 Jean-Philippe Lang
Chris@0 3 #
Chris@0 4 # This program is free software; you can redistribute it and/or
Chris@0 5 # modify it under the terms of the GNU General Public License
Chris@0 6 # as published by the Free Software Foundation; either version 2
Chris@0 7 # of the License, or (at your option) any later version.
Chris@0 8 #
Chris@0 9 # This program is distributed in the hope that it will be useful,
Chris@0 10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0 11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@0 12 # GNU General Public License for more details.
Chris@0 13 #
Chris@0 14 # You should have received a copy of the GNU General Public License
Chris@0 15 # along with this program; if not, write to the Free Software
Chris@0 16 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Chris@0 17
Chris@0 18 class IssueRelation < ActiveRecord::Base
Chris@0 19 belongs_to :issue_from, :class_name => 'Issue', :foreign_key => 'issue_from_id'
Chris@0 20 belongs_to :issue_to, :class_name => 'Issue', :foreign_key => 'issue_to_id'
Chris@0 21
Chris@0 22 TYPE_RELATES = "relates"
Chris@0 23 TYPE_DUPLICATES = "duplicates"
Chris@0 24 TYPE_DUPLICATED = "duplicated"
Chris@0 25 TYPE_BLOCKS = "blocks"
Chris@0 26 TYPE_BLOCKED = "blocked"
Chris@0 27 TYPE_PRECEDES = "precedes"
Chris@0 28 TYPE_FOLLOWS = "follows"
Chris@0 29
Chris@0 30 TYPES = { TYPE_RELATES => { :name => :label_relates_to, :sym_name => :label_relates_to, :order => 1, :sym => TYPE_RELATES },
Chris@0 31 TYPE_DUPLICATES => { :name => :label_duplicates, :sym_name => :label_duplicated_by, :order => 2, :sym => TYPE_DUPLICATED },
Chris@0 32 TYPE_DUPLICATED => { :name => :label_duplicated_by, :sym_name => :label_duplicates, :order => 3, :sym => TYPE_DUPLICATES, :reverse => TYPE_DUPLICATES },
Chris@0 33 TYPE_BLOCKS => { :name => :label_blocks, :sym_name => :label_blocked_by, :order => 4, :sym => TYPE_BLOCKED },
Chris@0 34 TYPE_BLOCKED => { :name => :label_blocked_by, :sym_name => :label_blocks, :order => 5, :sym => TYPE_BLOCKS, :reverse => TYPE_BLOCKS },
Chris@0 35 TYPE_PRECEDES => { :name => :label_precedes, :sym_name => :label_follows, :order => 6, :sym => TYPE_FOLLOWS },
Chris@0 36 TYPE_FOLLOWS => { :name => :label_follows, :sym_name => :label_precedes, :order => 7, :sym => TYPE_PRECEDES, :reverse => TYPE_PRECEDES }
Chris@0 37 }.freeze
Chris@0 38
Chris@0 39 validates_presence_of :issue_from, :issue_to, :relation_type
Chris@0 40 validates_inclusion_of :relation_type, :in => TYPES.keys
Chris@0 41 validates_numericality_of :delay, :allow_nil => true
Chris@0 42 validates_uniqueness_of :issue_to_id, :scope => :issue_from_id
Chris@0 43
Chris@0 44 attr_protected :issue_from_id, :issue_to_id
Chris@0 45
Chris@0 46 def validate
Chris@0 47 if issue_from && issue_to
Chris@0 48 errors.add :issue_to_id, :invalid if issue_from_id == issue_to_id
Chris@0 49 errors.add :issue_to_id, :not_same_project unless issue_from.project_id == issue_to.project_id || Setting.cross_project_issue_relations?
Chris@507 50 #detect circular dependencies depending wether the relation should be reversed
Chris@507 51 if TYPES.has_key?(relation_type) && TYPES[relation_type][:reverse]
Chris@507 52 errors.add_to_base :circular_dependency if issue_from.all_dependent_issues.include? issue_to
Chris@507 53 else
Chris@507 54 errors.add_to_base :circular_dependency if issue_to.all_dependent_issues.include? issue_from
Chris@507 55 end
Chris@0 56 errors.add_to_base :cant_link_an_issue_with_a_descendant if issue_from.is_descendant_of?(issue_to) || issue_from.is_ancestor_of?(issue_to)
Chris@0 57 end
Chris@0 58 end
Chris@0 59
Chris@0 60 def other_issue(issue)
Chris@0 61 (self.issue_from_id == issue.id) ? issue_to : issue_from
Chris@0 62 end
Chris@0 63
Chris@0 64 # Returns the relation type for +issue+
Chris@0 65 def relation_type_for(issue)
Chris@0 66 if TYPES[relation_type]
Chris@0 67 if self.issue_from_id == issue.id
Chris@0 68 relation_type
Chris@0 69 else
Chris@0 70 TYPES[relation_type][:sym]
Chris@0 71 end
Chris@0 72 end
Chris@0 73 end
Chris@0 74
Chris@0 75 def label_for(issue)
Chris@0 76 TYPES[relation_type] ? TYPES[relation_type][(self.issue_from_id == issue.id) ? :name : :sym_name] : :unknow
Chris@0 77 end
Chris@0 78
Chris@0 79 def before_save
Chris@0 80 reverse_if_needed
Chris@0 81
Chris@0 82 if TYPE_PRECEDES == relation_type
Chris@0 83 self.delay ||= 0
Chris@0 84 else
Chris@0 85 self.delay = nil
Chris@0 86 end
Chris@0 87 set_issue_to_dates
Chris@0 88 end
Chris@0 89
Chris@0 90 def set_issue_to_dates
Chris@0 91 soonest_start = self.successor_soonest_start
Chris@119 92 if soonest_start && issue_to
Chris@0 93 issue_to.reschedule_after(soonest_start)
Chris@0 94 end
Chris@0 95 end
Chris@0 96
Chris@0 97 def successor_soonest_start
Chris@119 98 if (TYPE_PRECEDES == self.relation_type) && delay && issue_from && (issue_from.start_date || issue_from.due_date)
Chris@119 99 (issue_from.due_date || issue_from.start_date) + 1 + delay
Chris@119 100 end
Chris@0 101 end
Chris@0 102
Chris@0 103 def <=>(relation)
Chris@0 104 TYPES[self.relation_type][:order] <=> TYPES[relation.relation_type][:order]
Chris@0 105 end
Chris@0 106
Chris@0 107 private
Chris@0 108
Chris@0 109 # Reverses the relation if needed so that it gets stored in the proper way
Chris@0 110 def reverse_if_needed
Chris@0 111 if TYPES.has_key?(relation_type) && TYPES[relation_type][:reverse]
Chris@0 112 issue_tmp = issue_to
Chris@0 113 self.issue_to = issue_from
Chris@0 114 self.issue_from = issue_tmp
Chris@0 115 self.relation_type = TYPES[relation_type][:reverse]
Chris@0 116 end
Chris@0 117 end
Chris@0 118 end