Class: IssueRelation

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

Overview

– copyright ChiliProject is a project management system.

Copyright (C) 2010-2013 the ChiliProject Team

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.

See doc/COPYRIGHT.rdoc for more details. ++

Constant Summary collapse

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, :sym => TYPE_RELATES },
  TYPE_DUPLICATES =>  { :name => :label_duplicates, :sym_name => :label_duplicated_by, :order => 2, :sym => TYPE_DUPLICATED },
  TYPE_DUPLICATED =>  { :name => :label_duplicated_by, :sym_name => :label_duplicates, :order => 3, :sym => TYPE_DUPLICATES, :reverse => TYPE_DUPLICATES },
  TYPE_BLOCKS =>      { :name => :label_blocks, :sym_name => :label_blocked_by, :order => 4, :sym => TYPE_BLOCKED },
  TYPE_BLOCKED =>     { :name => :label_blocked_by, :sym_name => :label_blocks, :order => 5, :sym => TYPE_BLOCKS, :reverse => TYPE_BLOCKS },
  TYPE_PRECEDES =>    { :name => :label_precedes, :sym_name => :label_follows, :order => 6, :sym => TYPE_FOLLOWS },
  TYPE_FOLLOWS =>     { :name => :label_follows, :sym_name => :label_precedes, :order => 7, :sym => TYPE_PRECEDES, :reverse => TYPE_PRECEDES }
}.freeze

Instance Method Summary collapse

Instance Method Details

#<=>(relation) ⇒ Object


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# File 'app/models/issue_relation.rb', line 95

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

#before_saveObject


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# File 'app/models/issue_relation.rb', line 71

def before_save
  reverse_if_needed

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

#label_for(issue) ⇒ Object


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# File 'app/models/issue_relation.rb', line 67

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

#other_issue(issue) ⇒ Object


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# File 'app/models/issue_relation.rb', line 52

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

#relation_type_for(issue) ⇒ Object

Returns the relation type for issue


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# File 'app/models/issue_relation.rb', line 57

def relation_type_for(issue)
  if TYPES[relation_type]
    if self.issue_from_id == issue.id
      relation_type
    else
      TYPES[relation_type][:sym]
    end
  end
end

#set_issue_to_datesObject


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# File 'app/models/issue_relation.rb', line 82

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

#successor_soonest_startObject


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# File 'app/models/issue_relation.rb', line 89

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

#validateObject


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# File 'app/models/issue_relation.rb', line 43

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