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devicehub-teal/ereuse_devicehub/modules/dpp/views.py

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import json
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from flask import Blueprint
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from flask.views import View
from .models import Proof, Dpp, ALGORITHM
dpp = Blueprint('dpp', __name__, url_prefix='/', template_folder='templates')
class ProofView(View):
methods = ['GET']
def dispatch_request(selfi, proof_id):
proof = Proof.query.filter_by(timestamp=proof_id).first()
if not proof:
proof = Dpp.query.filter_by(timestamp=proof_id).one()
document = proof.snapshot.json_hw
else:
document = proof.normalizeDoc
data = {
"algorithm": ALGORITHM,
"document": document
}
d = {
'@context': ['https://ereuse.org/proof0.json'],
'data': data,
}
return json.dumps(d)
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##########
# Routes #
##########
dpp.add_url_rule('/proofs/<int:proof_id>', view_func=ProofView.as_view('proof'))