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class User | |
include DataMapper::Resource | |
# property <name>, <type> | |
property :id, Serial | |
property :name, String | |
property :email, String | |
has n, :group_memberships | |
has n, :memberships, model: 'Group', child_key: [:id], parent_key: [:user_id], through: :group_membership | |
end | |
class Group | |
include DataMapper::Resource | |
# property <name>, <type> | |
property :id, Serial | |
property :name, String | |
property :created_at, DateTime | |
has n, :group_memberships | |
has n, :members, model: 'User', child_key: [:id], parent_key: [:group_id], through: :group_membership | |
end | |
class GroupMembership | |
include DataMapper::Resource | |
# property <name>, <type> | |
property :id, Serial | |
property :status, Enum[:pending, :accepted, :declined], default: :pending | |
property :roles, Enum[:owner, :member], default: :member | |
property :created_at, DateTime | |
property :user_id, Integer | |
property :group_id, Integer | |
belongs_to :membership, model: 'User', child_key: [:user_id] | |
belongs_to :member, model: 'Group', child_key: [:group_id] | |
end |
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$ rake db:create | |
rake aborted! | |
NoMethodError: undefined method `name' for nil:NilClass | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/associations/many_to_many.rb:267:in `block in one_to_many_options' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/subject_set.rb:211:in `block in each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `block in each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/subject_set.rb:211:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/associations/many_to_many.rb:267:in `map' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/associations/many_to_many.rb:267:in `one_to_many_options' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-constraints-1.2.0/lib/data_mapper/constraints/relationship/many_to_many.rb:11:in `one_to_many_options' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/associations/many_to_many.rb:67:in `block in through' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core.rb:263:in `block in repository' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/repository.rb:114:in `scope' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core.rb:263:in `repository' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/associations/many_to_many.rb:66:in `through' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/associations/many_to_many.rb:131:in `finalize' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/model.rb:783:in `block in finalize_relationships' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/subject_set.rb:211:in `block in each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `block in each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/subject_set.rb:211:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/model.rb:783:in `finalize_relationships' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/model.rb:137:in `finalize' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core.rb:281:in `block in finalize' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/descendant_set.rb:64:in `block in each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/subject_set.rb:211:in `block in each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `block in each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/ordered_set.rb:320:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/subject_set.rb:211:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core/support/descendant_set.rb:63:in `each' | |
/Users/michele/.rvm/gems/ruby-2.3.0/gems/dm-core-1.2.1/lib/dm-core.rb:281:in `finalize' | |
/Users/michele/Projects/picsnearme-web/padrino-test/picsnearme/config/boot.rb:47:in `block in <top (required)>' |
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