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class Identity < CouchRest::Model::Base
use_database :identities
belongs_to :user
property :address, LocalEmail
property :destination, Email
property :keys, HashWithIndifferentAccess
validate :unique_forward
validate :alias_available
design do
view :by_user_id
view :by_address_and_destination
view :by_address
view :pgp_key_by_email,
map: <<-EOJS
function(doc) {
if (doc.type != 'Identity') {
return;
}
emit(doc.address, doc.keys["pgp"]);
}
EOJS
end
def self.for(user, attributes = {})
find_for(user, attributes) || build_for(user, attributes)
end
def self.find_for(user, attributes = {})
attributes.reverse_merge! attributes_from_user(user)
find_by_address_and_destination [attributes[:address], attributes[:destination]]
end
def self.build_for(user, attributes = {})
attributes.reverse_merge! attributes_from_user(user)
Identity.new(attributes)
end
def self.create_for(user, attributes = {})
identity = build_for(user, attributes)
identity.save
identity
end
def self.attributes_from_user(user)
{ user_id: user.id,
address: user.email_address,
destination: user.email_address
}
end
def keys
read_attribute('keys') || HashWithIndifferentAccess.new
end
def set_key(type, value)
return if keys[type] == value
write_attribute('keys', keys.merge(type => value))
end
protected
def unique_forward
same = Identity.find_by_address_and_destination([address, destination])
if same && same != self
errors.add :base, "This alias already exists"
end
end
def alias_available
same = Identity.find_by_address(address)
if same && same.user != self.user
errors.add :base, "This email has already been taken"
end
end
end
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