Creating new ticketing model, based on an independent table

server/src/uds/REST/methods/client.py

@@ -0,0 +1,92 @@
+# -*- coding: utf-8 -*-
+
+#
+# Copyright (c) 2014 Virtual Cable S.L.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+#    * Redistributions of source code must retain the above copyright notice,
+#      this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright notice,
+#      this list of conditions and the following disclaimer in the documentation
+#      and/or other materials provided with the distribution.
+#    * Neither the name of Virtual Cable S.L. nor the names of its contributors
+#      may be used to endorse or promote products derived from this software
+#      without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+'''
+@author: Adolfo Gómez, dkmaster at dkmon dot com
+'''
+from __future__ import unicode_literals
+
+from django.utils.translation import ugettext as _
+
+from uds.core.util import Config
+from uds.core.util.State import State
+from uds.core.util import log
+from uds.core.managers import cryptoManager
+from uds.REST import Handler
+from uds.REST import RequestError
+from uds.models import UserService
+
+
+import datetime
+import six
+
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+# Error codes:
+
+# Enclosed methods under /actor path
+class Client(Handler):
+    '''
+    Processes actor requests
+    '''
+    authenticated = False  # Actor requests are not authenticated
+
+    @staticmethod
+    def result(result=None, error=None):
+        '''
+        Helper method to create a "result" set for actor response
+        :param result: Result value to return (can be None, in which case it is converted to empty string '')
+        :param error: If present, This response represents an error. Result will contain an "Explanation" and error contains the error code
+        :return: A dictionary, suitable for response to Caller
+        '''
+        result = result if result is not None else ''
+        res = {'result': result, 'date': datetime.datetime.now()}
+        if error is not None:
+            res['error'] = error
+        return res
+
+    def test(self):
+        '''
+        Executes and returns the test
+        '''
+        return Client.result(_('Correct'))
+
+    def get(self):
+        '''
+        Processes get requests
+        '''
+        logger.debug("Client args for GET: {0}".format(self._args))
+
+        if len(self._args) < 1:
+            raise RequestError('Invalid request')
+
+        raise RequestError('Invalid request')

server/src/uds/models/Ticket.py

@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (c) 2012 Virtual Cable S.L.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+#    * Redistributions of source code must retain the above copyright notice,
+#      this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright notice,
+#      this list of conditions and the following disclaimer in the documentation
+#      and/or other materials provided with the distribution.
+#    * Neither the name of Virtual Cable S.L. nor the names of its contributors
+#      may be used to endorse or promote products derived from this software
+#      without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+'''
+.. moduleauthor:: Adolfo Gómez, dkmaster at dkmon dot com
+'''
+
+from __future__ import unicode_literals
+
+__updated__ = '2015-03-23'
+
+from django.db import models
+
+from uds.models.UUIDModel import UUIDModel
+from uds.models.Util import getSqlDatetime
+import datetime
+
+
+import pickle
+
+
+import base64
+import logging
+
+logger = logging.getLogger(__name__)
+
+
+class TicketStore(UUIDModel):
+    '''
+    Image storing on DB model
+    This is intended for small images (i will limit them to 128x128), so storing at db is fine
+
+    '''
+
+    stamp = models.DateTimeField()  # Date creation or validation of this entry
+    validity = models.IntegerField(default=60)  # Duration allowed for this ticket to be valid, in seconds
+
+    data = models.BinaryField()  # Associated ticket data
+
+    class Meta:
+        '''
+        Meta class to declare the name of the table at database
+        '''
+        db_table = 'uds_tickets'
+        app_label = 'uds'
+
+    @staticmethod
+    def create(data, validity=60):
+        return TicketStore.objects.create(stamp=getSqlDatetime(), data=pickle.dumps(data), validity=validity).uuid
+
+    @staticmethod
+    def get(uuid):
+        try:
+            t = TicketStore.objects.get(uuid=uuid)
+            if datetime.timedelta(seconds=t.validity) + t.stamp < getSqlDatetime():
+                raise Exception('Not valid anymore')
+            return pickle.loads(t.data)
+        except TicketStore.DoesNotExist:
+            raise Exception('Does not exists')
+
+    @staticmethod
+    def revalidate(uuid, validity=None):
+        try:
+            t = TicketStore.objects.get(uuid=uuid)
+            t.stamp = getSqlDatetime()
+            if validity is not None:
+                t.validity = validity
+            t.save()
+        except TicketStore.DoesNotExist:
+            raise Exception('Does not exists')

server/src/uds/models/__init__.py

@@ -33,7 +33,7 @@
 
 from __future__ import unicode_literals
 
-__updated__ = '2015-03-02'
+__updated__ = '2015-03-23'
 
 import logging
 
@@ -95,4 +95,6 @@ from .Scheduler import Scheduler
 from .DelayedTask import DelayedTask
 
 # Image galery related
-from .Image import Image
+from .Image import Image
+
+from .Ticket import TicketStore