Redmine 3.4.4

app/models/tracker.rb

@@ -0,0 +1,150 @@
+# Redmine - project management software
+# Copyright (C) 2006-2017  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 Tracker < ActiveRecord::Base
+  include Redmine::SafeAttributes
+
+  CORE_FIELDS_UNDISABLABLE = %w(project_id tracker_id subject priority_id is_private).freeze
+  # Fields that can be disabled
+  # Other (future) fields should be appended, not inserted!
+  CORE_FIELDS = %w(assigned_to_id category_id fixed_version_id parent_issue_id start_date due_date estimated_hours done_ratio description).freeze
+  CORE_FIELDS_ALL = (CORE_FIELDS_UNDISABLABLE + CORE_FIELDS).freeze
+
+  before_destroy :check_integrity
+  belongs_to :default_status, :class_name => 'IssueStatus'
+  has_many :issues
+  has_many :workflow_rules, :dependent => :delete_all do
+    def copy(source_tracker)
+      ActiveSupport::Deprecation.warn "tracker.workflow_rules.copy is deprecated and will be removed in Redmine 4.0, use tracker.copy_worflow_rules instead"
+      proxy_association.owner.copy_workflow_rules(source_tracker)
+    end
+  end
+  has_and_belongs_to_many :projects
+  has_and_belongs_to_many :custom_fields, :class_name => 'IssueCustomField', :join_table => "#{table_name_prefix}custom_fields_trackers#{table_name_suffix}", :association_foreign_key => 'custom_field_id'
+  acts_as_positioned
+
+  attr_protected :fields_bits
+
+  validates_presence_of :default_status
+  validates_presence_of :name
+  validates_uniqueness_of :name
+  validates_length_of :name, :maximum => 30
+
+  scope :sorted, lambda { order(:position) }
+  scope :named, lambda {|arg| where("LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip)}
+
+  # Returns the trackers that are visible by the user.
+  #
+  # Examples:
+  #   project.trackers.visible(user)
+  #   => returns the trackers that are visible by the user in project
+  #
+  #   Tracker.visible(user)
+  #   => returns the trackers that are visible by the user in at least on project
+  scope :visible, lambda {|*args|
+    user = args.shift || User.current
+    condition = Project.allowed_to_condition(user, :view_issues) do |role, user|
+      unless role.permissions_all_trackers?(:view_issues)
+        tracker_ids = role.permissions_tracker_ids(:view_issues)
+        if tracker_ids.any?
+          "#{Tracker.table_name}.id IN (#{tracker_ids.join(',')})"
+        else
+          '1=0'
+        end
+      end
+    end
+    joins(:projects).where(condition).distinct
+  }
+
+  safe_attributes 'name',
+    'default_status_id',
+    'is_in_roadmap',
+    'core_fields',
+    'position',
+    'custom_field_ids',
+    'project_ids'
+
+  def to_s; name end
+
+  def <=>(tracker)
+    position <=> tracker.position
+  end
+
+  # Returns an array of IssueStatus that are used
+  # in the tracker's workflows
+  def issue_statuses
+    @issue_statuses ||= IssueStatus.where(:id => issue_status_ids).to_a.sort
+  end
+
+  def issue_status_ids
+    if new_record?
+      []
+    else
+      @issue_status_ids ||= WorkflowTransition.where(:tracker_id => id).distinct.pluck(:old_status_id, :new_status_id).flatten.uniq
+    end
+  end
+
+  def disabled_core_fields
+    i = -1
+    @disabled_core_fields ||= CORE_FIELDS.select { i += 1; (fields_bits || 0) & (2 ** i) != 0}
+  end
+
+  def core_fields
+    CORE_FIELDS - disabled_core_fields
+  end
+
+  def core_fields=(fields)
+    raise ArgumentError.new("Tracker.core_fields takes an array") unless fields.is_a?(Array)
+
+    bits = 0
+    CORE_FIELDS.each_with_index do |field, i|
+      unless fields.include?(field)
+        bits |= 2 ** i
+      end
+    end
+    self.fields_bits = bits
+    @disabled_core_fields = nil
+    core_fields
+  end
+
+  def copy_workflow_rules(source_tracker)
+    WorkflowRule.copy(source_tracker, nil, self, nil)
+  end
+
+  # Returns the fields that are disabled for all the given trackers
+  def self.disabled_core_fields(trackers)
+    if trackers.present?
+      trackers.map(&:disabled_core_fields).reduce(:&)
+    else
+      []
+    end
+  end
+
+  # Returns the fields that are enabled for one tracker at least
+  def self.core_fields(trackers)
+    if trackers.present?
+      trackers.uniq.map(&:core_fields).reduce(:|)
+    else
+      CORE_FIELDS.dup
+    end
+  end
+
+private
+  def check_integrity
+    raise Exception.new("Cannot delete tracker") if Issue.where(:tracker_id => self.id).any?
+  end
+end