91 lines
3.3 KiB
Ruby
91 lines
3.3 KiB
Ruby
# Groups organize the User.
|
|
#
|
|
# Group have the following attributes
|
|
# * name
|
|
# * description
|
|
# * type (to specify, if it is a OrderGroup)
|
|
# * role_admin, role_suppliers, role_article_eta, role_finance, role_orders
|
|
# * weekly_task (if the group should do a job ervery week)
|
|
# * weekday (on which weekday should the job be done? 1 means monday and so on)
|
|
#
|
|
# A Member gets the roles from the Group
|
|
class Group < ActiveRecord::Base
|
|
has_many :memberships, :dependent => :destroy
|
|
has_many :users, :through => :memberships
|
|
has_many :tasks
|
|
# returns all non-finished tasks
|
|
has_many :open_tasks, :class_name => 'Task', :conditions => ['done = ?', false], :order => 'due_date ASC'
|
|
|
|
attr_accessible :name, :description, :role_admin, :role_suppliers, :role_article_meta, :role_finance, :role_orders,
|
|
:weekly_task, :weekday, :task_name, :task_description, :task_required_users
|
|
|
|
validates_length_of :name, :in => 1..25
|
|
validates_uniqueness_of :name
|
|
|
|
# messages
|
|
ERR_LAST_ADMIN_GROUP_UPDATE = "Der letzten Gruppe mit Admin-Rechten darf die Admin-Rolle nicht entzogen werden"
|
|
ERR_LAST_ADMIN_GROUP_DELETE = "Die letzte Gruppe mit Admin-Rechten darf nicht gelöscht werden"
|
|
|
|
# Returns true if the given user if is an member of this group.
|
|
def member?(user)
|
|
memberships.find_by_user_id(user.id)
|
|
end
|
|
|
|
# Returns all NONmembers and a checks for possible multiple OrderGroup-Memberships
|
|
def non_members
|
|
nonMembers = Array.new
|
|
for user in User.find(:all, :order => "nick")
|
|
unless self.users.include?(user) || ( self.is_a?(OrderGroup) && user.find_ordergroup )
|
|
nonMembers << user
|
|
end
|
|
end
|
|
return nonMembers
|
|
end
|
|
|
|
# Check before destroy a group, if this is the last group with admin role
|
|
def before_destroy
|
|
raise ERR_LAST_ADMIN_GROUP_DELETE if self.role_admin == true && Group.find_all_by_role_admin(true).size == 1
|
|
end
|
|
|
|
# Returns an Array with date-objects to represent the next weekly-tasks
|
|
def next_weekly_tasks(number = 8)
|
|
# our system starts from 0 (sunday) to 6 (saturday)
|
|
# get difference between groups weekday and now
|
|
diff = self.weekday - Time.now.wday
|
|
if diff >= 0
|
|
# weektask is in current week
|
|
nextTask = diff.day.from_now
|
|
else
|
|
# weektask is in the next week
|
|
nextTask = (diff + 7).day.from_now
|
|
end
|
|
# now generate the Array
|
|
nextTasks = Array.new
|
|
number.times do
|
|
nextTasks << nextTask
|
|
nextTask = 1.week.from_now(nextTask)
|
|
end
|
|
return nextTasks
|
|
end
|
|
|
|
# get all groups, which are NOT OrderGroups
|
|
#TODO: better implement a new model, which inherits from Group, e.g. WorkGroup
|
|
def self.workgroups
|
|
Group.find :all, :conditions => "type IS NULL"
|
|
end
|
|
|
|
protected
|
|
|
|
# validates uniqueness of the Group.name. Checks groups and order_groups
|
|
def validate
|
|
errors.add(:name, "ist schon vergeben") if (group = Group.find_by_name(name) || group = OrderGroup.find_by_name(name)) && self != group
|
|
end
|
|
|
|
# add validation check on update
|
|
def validate_on_update
|
|
# error if this is the last group with admin role and role_admin should set to false
|
|
errors.add(:role_admin, ERR_LAST_ADMIN_GROUP_UPDATE) if self.role_admin == false && Group.find_all_by_role_admin(true).size == 1 && self == Group.find(:first, :conditions => "role_admin = 1")
|
|
end
|
|
|
|
end
|