cygnal/server/models.py

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#!/usr/bin/env python
# coding: utf-8
"""
Models and database definition
"""
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import os
import bottle
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import peewee
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from playhouse.db_url import connect
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from playhouse.shortcuts import model_to_dict
from server.tools import UTC_now
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db = connect(os.environ.get('DATABASE', 'sqlite:///reports.db'))
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@bottle.hook('before_request')
def _connect_db():
db.connect()
@bottle.hook('after_request')
def _close_db():
if not db.is_closed():
db.close()
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class BaseModel(peewee.Model):
"""
Common base class for all models
"""
class Meta:
database = db
class Report(BaseModel):
"""
A report object
"""
type = peewee.CharField(max_length=255)
lat = peewee.DoubleField()
lng = peewee.DoubleField()
first_report_datetime = peewee.DateTimeField(
default=UTC_now
)
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datetime = peewee.DateTimeField(
default=UTC_now
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)
expiration_datetime = peewee.DateTimeField(null=True)
upvotes = peewee.IntegerField(default=0)
downvotes = peewee.IntegerField(default=0)
source = peewee.CharField(max_length=255)
shape_geojson = peewee.TextField(default=None, null=True)
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def to_json(self):
return {
"type": "reports",
"id": self.id,
"attributes": {
k: v for k, v in model_to_dict(self).items()
if k != "id"
}
}