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# File 'lib/flapjack/gateways/jsonapi/methods/association_get.rb', line 11
def self.registered(app)
app.helpers Flapjack::Gateways::JSONAPI::Helpers::Headers
app.helpers Flapjack::Gateways::JSONAPI::Helpers::Miscellaneous
app.helpers Flapjack::Gateways::JSONAPI::Helpers::Serialiser
Flapjack::Gateways::JSONAPI::RESOURCE_CLASSES.each do |resource_class|
jsonapi_links = if resource_class.respond_to?(:jsonapi_associations)
resource_class.jsonapi_associations || {}
else
{}
end
singular_links = jsonapi_links.select {|n, jd|
jd.link.is_a?(TrueClass) && jd.get.is_a?(TrueClass) && :singular.eql?(jd.number)
}
multiple_links = jsonapi_links.select {|n, jd|
jd.link.is_a?(TrueClass) && jd.get.is_a?(TrueClass) && :multiple.eql?(jd.number)
}
resource = resource_class.short_model_name.plural
unless singular_links.empty? && multiple_links.empty?
app.class_eval do
single = resource.singularize
singular_links.each_pair do |link_name, link_data|
link_type = link_data.data_klass.short_model_name.name
swagger_path "/#{resource}/{#{single}_id}/#{link_name}" do
operation :get do
key :description, link_data.descriptions[:get]
key :operationId, "get_#{single}_#{link_name}"
key :produces, [Flapjack::Gateways::JSONAPI.media_type_produced]
parameter do
key :name, "#{single}_id".to_sym
key :in, :path
key :description, "Id of a #{single}"
key :required, true
key :type, :string
end
response 200 do
key :description, "GET #{resource} #{link_name} success"
schema do
key :"$ref", "#{link_type}Reference".to_sym
end
end
response 403 do
key :description, "Forbidden; invalid request"
schema do
key :'$ref', :Errors
end
end
response 404 do
key :description, "Not Found"
schema do
key :'$ref', :Errors
end
end
end
end
swagger_path "/#{resource}/{#{single}_id}/relationships/#{link_name}" do
operation :get do
key :description, link_data.descriptions[:get]
key :operationId, "get_#{single}_#{link_name}"
key :produces, [JSONAPI_MEDIA_TYPE]
parameter do
key :name, "#{single}_id".to_sym
key :in, :path
key :description, "Id of a #{single}"
key :required, true
key :type, :string
end
response 200 do
key :description, "GET #{resource} success"
schema do
key :"$ref", "#{link_type}Reference".to_sym
end
end
response 403 do
key :description, "Forbidden; invalid request"
schema do
key :'$ref', :Errors
end
end
response 404 do
key :description, "Not Found"
schema do
key :'$ref', :Errors
end
end
end
end
end
multiple_links.each_pair do |link_name, link_data|
link_type = link_data.data_klass.short_model_name.name
swagger_path "/#{resource}/{#{single}_id}/#{link_name}" do
operation :get do
key :description, link_data.descriptions[:get]
key :operationId, "get_#{single}_#{link_name}"
key :produces, [Flapjack::Gateways::JSONAPI.media_type_produced]
parameter do
key :name, "#{single}_id".to_sym
key :in, :path
key :description, "Id of a #{single}"
key :required, true
key :type, :string
end
response 200 do
key :description, "GET #{resource} response"
schema do
key :type, :array
items do
key :"$ref", "#{link_type}Reference".to_sym
end
end
end
response 403 do
key :description, "Forbidden; invalid request"
schema do
key :'$ref', :Errors
end
end
response 404 do
key :description, "Not Found"
schema do
key :'$ref', :Errors
end
end
end
end
swagger_path "/#{resource}/{#{single}_id}/relationships/#{link_name}" do
operation :get do
key :description, link_data.descriptions[:get]
key :operationId, "get_#{single}_links_#{link_name}"
key :produces, [Flapjack::Gateways::JSONAPI.media_type_produced]
parameter do
key :name, "#{single}_id".to_sym
key :in, :path
key :description, "Id of a #{single}"
key :required, true
key :type, :string
end
response 200 do
key :description, "GET #{resource} response"
schema do
key :type, :array
items do
key :"$ref", "#{link_type}Reference".to_sym
end
end
end
response 403 do
key :description, "Forbidden; invalid request"
schema do
key :'$ref', :Errors
end
end
response 404 do
key :description, "Not Found"
schema do
key :'$ref', :Errors
end
end
end
end
end
end
end
assoc_patt = jsonapi_links.keys.map(&:to_s).join("|")
app.get %r{^/#{resource}/(#{Flapjack::UUID_RE})/(?:relationships/)?(#{assoc_patt})(\?.+)?} do
resource_id = params[:captures][0]
assoc_name = params[:captures][1].to_sym
halt(404) unless singular_links.has_key?(assoc_name) ||
multiple_links.has_key?(assoc_name)
fields = params[:fields]
incl = params[:include].nil? ? nil : params[:include].split(',')
assoc = jsonapi_links[assoc_name]
= incl.nil? ? [] : lock_for_include_clause(resource_class,
:include => incl.dup)
locks = assoc.lock_klasses |
locks.sort_by!(&:name)
status 200
halt(err(404, 'Unknown relationship')) if assoc.nil?
empty = false
included = nil
result = nil
meta = nil
resource_class.lock(*locks) do
res = resource_class.intersect(:id => resource_id)
empty = res.empty?
unless empty
associated = res.all.first.send(assoc_name)
result = case assoc.number
when :multiple
unless params[:filter].nil?
unless params[:filter].is_a?(Array)
halt(err(403, "Filter parameters must be passed as an Array"))
end
bad = params[:filter].detect {|f| f !~ /^#{assoc_name}\.(?:[^,]+)$/ }
unless bad.nil?
halt(err(403, "Filter params must start with '#{assoc_name}.', not contain comma: '#{bad}'"))
end
filters = params[:filter].collect do |f|
f.sub(/^#{assoc_name}\./, '')
end
filter_ops = filter_params(assoc.data_klass, filters)
associated = associated.intersect(filter_ops)
end
associated = associated.sort(:id => :asc)
resources, _, meta = paginate_get(associated, :page => params[:page],
:per_page => params[:per_page])
result = resources.eql?([]) ? [] : resources.ids
when :singular
result = associated.id
end
unless incl.nil?
included = as_jsonapi_included(resource_class, res,
:include => incl, :fields => fields, :query_type => :association)
end
end
end
raise ::Zermelo::Records::Errors::RecordNotFound.new(resource_class, resource_id) if empty
links = {
:self => "#{request.base_url}/#{resource}/#{resource_id}/relationships/#{assoc_name}",
:related => "#{request.base_url}/#{resource}/#{resource_id}/#{assoc_name}"
}
data = case result
when Array, Set
result.map {|assoc_id| {:type => assoc.type, :id => assoc_id} }
when String
{:type => assoc.type, :id => result}
else
nil
end
ret = {:data => data, :links => links}
ret[:included] = included unless included.nil?
ret[:meta] = meta unless meta.nil?
Flapjack.dump_json(ret)
end
end
end
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