ffmap-backend/d3mapbuilder.py

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import json
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import datetime
class D3MapBuilder:
def __init__(self, db):
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self._db = db
def build(self):
output = dict()
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now = datetime.datetime.utcnow().replace(microsecond=0)
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nodes = self._db.get_nodes()
output['nodes'] = [{'name': x.name, 'id': x.id,
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'macs': ', '.join(x.macs),
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'geo': [float(x) for x in x.gps.split(" ")] if x.gps else None,
'flags': x.flags
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} for x in nodes]
links = self._db.get_links()
output['links'] = [{'source': x.source.id, 'target': x.target.id,
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'quality': x.quality,
'type': x.type,
'id': x.id
} for x in links]
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output['meta'] = {
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'timestamp': now.isoformat()
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}
return json.dumps(output)