Class: IssueRelation

Inherits:
ActiveRecord::Base show all
Defined in:
app/models/issue_relation.rb

Overview

redMine - project management software Copyright (C) 2006-2007 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.

Constant Summary

TYPE_RELATES =
"relates"
TYPE_DUPLICATES =
"duplicates"
TYPE_DUPLICATED =
"duplicated"
TYPE_BLOCKS =
"blocks"
TYPE_BLOCKED =
"blocked"
TYPE_PRECEDES =
"precedes"
TYPE_FOLLOWS =
"follows"
TYPES =
{ TYPE_RELATES =>     { :name => :label_relates_to, :sym_name => :label_relates_to, :order => 1 },
  TYPE_DUPLICATES =>  { :name => :label_duplicates, :sym_name => :label_duplicated_by, :order => 2 },
  TYPE_DUPLICATED =>  { :name => :label_duplicated_by, :sym_name => :label_duplicates, :order => 3, :reverse => TYPE_DUPLICATES },
  TYPE_BLOCKS =>      { :name => :label_blocks, :sym_name => :label_blocked_by, :order => 4 },
  TYPE_BLOCKED =>     { :name => :label_blocked_by, :sym_name => :label_blocks, :order => 5, :reverse => TYPE_BLOCKS },
  TYPE_PRECEDES =>    { :name => :label_precedes, :sym_name => :label_follows, :order => 6 },
  TYPE_FOLLOWS =>     { :name => :label_follows, :sym_name => :label_precedes, :order => 7, :reverse => TYPE_PRECEDES }
}.freeze

Instance Method Summary

Methods inherited from ActiveRecord::Base

quoted_table_name

Instance Method Details

- (Object) <=>(relation)



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# File 'app/models/issue_relation.rb', line 86

def <=>(relation)
  TYPES[self.relation_type][:order] <=> TYPES[relation.relation_type][:order]
end

- (Object) before_save



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# File 'app/models/issue_relation.rb', line 63

def before_save
  reverse_if_needed
  
  if TYPE_PRECEDES == relation_type
    self.delay ||= 0
  else
    self.delay = nil
  end
  set_issue_to_dates
end

- (Object) label_for(issue)



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# File 'app/models/issue_relation.rb', line 59

def label_for(issue)
  TYPES[relation_type] ? TYPES[relation_type][(self.issue_from_id == issue.id) ? :name : :sym_name] : :unknow
end

- (Object) other_issue(issue)



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# File 'app/models/issue_relation.rb', line 55

def other_issue(issue)
  (self.issue_from_id == issue.id) ? issue_to : issue_from
end

- (Object) set_issue_to_dates



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# File 'app/models/issue_relation.rb', line 74

def set_issue_to_dates
  soonest_start = self.successor_soonest_start
  if soonest_start
    issue_to.reschedule_after(soonest_start)
  end
end

- (Object) successor_soonest_start



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# File 'app/models/issue_relation.rb', line 81

def successor_soonest_start
  return nil unless (TYPE_PRECEDES == self.relation_type) && (issue_from.start_date || issue_from.due_date)
  (issue_from.due_date || issue_from.start_date) + 1 + delay
end

- (Object) validate



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# File 'app/models/issue_relation.rb', line 46

def validate
  if issue_from && issue_to
    errors.add :issue_to_id, :invalid if issue_from_id == issue_to_id
    errors.add :issue_to_id, :not_same_project unless issue_from.project_id == issue_to.project_id || Setting.cross_project_issue_relations?
    errors.add_to_base :circular_dependency if issue_to.all_dependent_issues.include? issue_from
    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)
  end
end