58 lines
1.3 KiB
Python
58 lines
1.3 KiB
Python
import json
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import tornado.gen
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import tornado.web
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from web import asyncTornado
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from constants import argumentTypes
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from objects import glob
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ARGS = {
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("file_hash", "file_version", "timestamp"): argumentTypes.one_required
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}
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SQL_STRUCT = {
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"main": "SELECT * FROM updates WHERE %s LIMIT 1",
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"file_hash": "%s = '%s'",
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"file_version": "%s = %s",
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"timestamp": "timestamp <= '%s' ORDER BY timestamp DESC"
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}
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class handler(asyncTornado.asyncRequestHandler):
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@tornado.web.asynchronous
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@tornado.gen.engine
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def asyncGet(self):
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status_code = 400
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data = {}
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try:
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args_filter = asyncTornado.check_arguments(self.request.arguments, ARGS)
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if False in args_filter:
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raise Exception("Missing required arguments")
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method = args_filter[0]
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method_value = self.request.arguments[method]
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cur = glob.sql.cursor()
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sql = SQL_STRUCT["main"] % SQL_STRUCT["method"]
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if method == "timestamp":
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sql = sql % method_value
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else:
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sql = sql % (method, method_value)
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cur.execute(sql)
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data = cur.fetchone()
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status_code = 200
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except Exception as e:
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status_code = 400
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data["status"] = status_code
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data["message"] = e
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finally:
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cur.close()
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self.write( json.dumps(data) )
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self.set_header("Content-Type", "application/json")
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self.set_status(status_code)
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