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RadioStats/server.py
2018-02-24 21:03:34 +01:00

109 lines
3.4 KiB
Python

import calendar
from datetime import datetime, timedelta
from flask import jsonify, request
from playhouse.shortcuts import model_to_dict
from app import app
from models import *
def query_to_response(query, limit=10, key=False, sort=False, offset=None, list=None, **kwargs):
"""
:param sort: boolean
:param offset: int
:type key: str
:type limit: int|boolean
:param **kwargs
:type query: peewee.ModelSelect
"""
if limit:
query = query.limit(limit)
print(query.sql())
data = {} if key is not False else []
order = int(offset) if offset else 0
for i in query:
element = model_to_dict(i, **kwargs)
if list:
element = element[list]
if sort:
element["order"] = order
order += 1
if key is not False:
if "." in key:
key1, key2 = key.split(".")
data[getattr(getattr(i, key1), key2)] = element
else:
data[getattr(i, key)] = element
else:
data.append(element)
response = jsonify(data)
if __name__ == '__main__':
response.headers.add('Access-Control-Allow-Origin', '*')
return response
@app.route('/api/')
def index():
return query_to_response(Channel.select(), limit=False, key="shortname")
def get_range(date, date_type):
if date_type == "day":
start = date
end = date
elif date_type == "week":
start = date - timedelta(days=date.weekday())
end = start + timedelta(days=6)
elif date_type == "month":
start = date.replace(day=1)
end = date.replace(day=calendar.monthrange(date.year, date.month)[1])
else:
start = datetime.strptime("2000-01-01", '%Y-%m-%d')
end = datetime.strptime("2050-01-01", '%Y-%m-%d')
end = end + timedelta(days=1)
return start, end
def get_dates_from_request():
try:
date = datetime.strptime(request.args.get('date'), '%Y-%m-%d')
date_type = request.args.get('dateType')
if date_type not in ["day", "week", "month", "alltime"]:
raise ValueError
except (TypeError, ValueError):
date = datetime.today()
date_type = "month"
return date, date_type
@app.route('/api/<channel>')
def popular(channel):
date, date_type = get_dates_from_request()
start, end = get_range(date, date_type)
get = Play.select(Play.song, fn.Count(SQL('*')).alias("count")) \
.join(Channel).switch(Play).join(Song) \
.where((Song.show == 0) & (Channel.shortname == channel) & (
Play.time.between(start, end))) \
.group_by(Play.song).order_by(SQL('count').desc())
if request.args.get('offset'):
get = get.offset(int(request.args.get('offset')))
return query_to_response(get, extra_attrs=["count"], exclude=[Play.channel, Play.time, Play.id], key="song.id",
sort=True, offset=request.args.get('offset'))
@app.route('/api/<channel>/plays/<song_id>')
def plays(channel, song_id):
date, date_type = get_dates_from_request()
start, end = get_range(date, date_type)
get = Play.select(Play.time) \
.join(Channel) \
.where((Play.song == song_id) & (Channel.shortname == channel) & (Play.time.between(start, end))) \
.order_by(Play.time.desc())
return query_to_response(get, exclude=[Play.channel, Play.song, Play.id], list="time", limit=False)
if __name__ == '__main__':
app.debug = True
app.run()