"""JSON Draft3 Schema Validators.

This file loads HTTP header and body validation schemas as defined in RAML
into Draft3Validator classes and keeps them ready for use in memory.

Draft3Validator validator classes are used in the json_schema.validate()
function definition.

"""
from jsonschema import Draft3Validator

from backend import config

# Product Tracks
product_tracks_resource = config.API_DEFINITION. \
    resources['/product/{product_id}/tracks']

PATCH_PRODUCT_TRACKS_BODY_VALIDATOR = Draft3Validator(
    product_tracks_resource.methods['patch'].body['application/json'].schema)


# Publishing Obligation
pub_obl_resource = product_tracks_resource.resources['/publishing-obligation']

PUT_PUB_OBL_BODY_VALIDATOR = Draft3Validator(
    pub_obl_resource.methods['put'].body['application/json'].schema)