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-rw-r--r--app/models/group.rb11
-rw-r--r--app/models/group_membership.rb37
-rw-r--r--app/models/group_permission.rb24
3 files changed, 72 insertions, 0 deletions
diff --git a/app/models/group.rb b/app/models/group.rb
new file mode 100644
index 0000000..e0cfaab
--- /dev/null
+++ b/app/models/group.rb
@@ -0,0 +1,11 @@
+class Group < ActiveRecord::Base
+ attr_accessible :name, :active, :comment
+
+ has_many :group_memberships, :dependent => :destroy
+ has_many :group_permissions, :dependent => :destroy
+ has_many :permittances, :foreign_key => :target_group_id, :class_name => "GroupPermission", :dependent => :destroy
+
+ def to_s
+ self.name
+ end
+end
diff --git a/app/models/group_membership.rb b/app/models/group_membership.rb
new file mode 100644
index 0000000..0f04ae1
--- /dev/null
+++ b/app/models/group_membership.rb
@@ -0,0 +1,37 @@
+class GroupMembership < ActiveRecord::Base
+ attr_accessible :group_id, :item_type, :item_id
+
+ belongs_to :group
+ belongs_to :item, :polymorphic => true
+
+ validates :item_id,
+ :presence => true,
+ :uniqueness => { :scope => [:group_id, :item_type] }
+
+ validates :item_type,
+ :presence => true,
+ :uniqueness => { :scope => [:group_id, :item_id] }
+
+ validate :validate_item_type_consitency
+
+ validates :item,
+ :presence => true
+
+ def to_s
+ "#{self.item_type}: #{self.item}"
+ end
+
+ def item_type_allowed
+ fist_item = self.group.group_memberships.first.try(:item)
+ if fist_item
+ return fist_item.class.name
+ end
+ end
+
+ def validate_item_type_consitency
+ type_allowed = self.item_type_allowed
+ if type_allowed && type_allowed != self.item_type
+ errors.add(:item_type, "must be of type: #{type_allowed}")
+ end
+ end
+end
diff --git a/app/models/group_permission.rb b/app/models/group_permission.rb
new file mode 100644
index 0000000..fe988ba
--- /dev/null
+++ b/app/models/group_permission.rb
@@ -0,0 +1,24 @@
+class GroupPermission < ActiveRecord::Base
+ attr_accessible :group_id, :permission, :target_group_id
+
+ PERMISSION_TYPES = ['pickup']
+
+ belongs_to :group
+ belongs_to :target_group, :class_name => "Group"
+
+ validates :target_group_id,
+ :presence => true,
+ :uniqueness => { :scope => [:group_id, :permission] }
+
+ validates :target_group,
+ :presence => true
+
+ validates :permission,
+ :presence => true,
+ :uniqueness => { :scope => [:group_id, :target_group_id] },
+ :inclusion => { :in => PERMISSION_TYPES }
+
+ def to_s
+ "#{self.permission} => #{self.target_group}"
+ end
+end