create aircox_streamer as separate application

aircox/models/station.py

@@ -1,7 +1,6 @@
 import os
 
 from django.db import models
-from django.db.models import Q
 from django.utils.translation import ugettext_lazy as _
 
 from filer.fields.image import FilerImageField
@@ -9,7 +8,7 @@ from filer.fields.image import FilerImageField
 from .. import settings
 
 
-__all__ = ['Station', 'StationQuerySet', 'Port']
+__all__ = ['Station', 'StationQuerySet']
 
 
 class StationQuerySet(models.QuerySet):
@@ -22,6 +21,9 @@ class StationQuerySet(models.QuerySet):
             return self.order_by('-default', 'pk').first()
         return self.filter(pk=station).first()
 
+    def active(self):
+        return self.filter(active=True)
+
 
 class Station(models.Model):
     """
@@ -44,7 +46,12 @@ class Station(models.Model):
     default = models.BooleanField(
         _('default station'),
         default=True,
-        help_text=_('if checked, this station is used as the main one')
+        help_text=_('use this station as the main one.')
+    )
+    active = models.BooleanField(
+        _('active'),
+        default=True,
+        help_text=_('whether this station is still active or not.')
     )
     logo = FilerImageField(
         on_delete=models.SET_NULL, null=True, blank=True,
@@ -79,6 +86,20 @@ class Station(models.Model):
         super().save(*args, **kwargs)
 
 
+class PortQuerySet(models.QuerySet):
+    def active(self, value=True):
+        """ Active ports """
+        return self.filter(active=value)
+
+    def output(self):
+        """ Filter in output ports """
+        return self.filter(direction=Port.DIRECTION_OUTPUT)
+
+    def input(self):
+        """ Fitler in input ports """
+        return self.filter(direction=Port.DIRECTION_INPUT)
+
+
 class Port(models.Model):
     """
     Represent an audio input/output for the audio stream
@@ -126,6 +147,14 @@ class Port(models.Model):
         blank=True, null=True
     )
 
+    objects = PortQuerySet.as_manager()
+
+    def __str__(self):
+        return "{direction}: {type} #{id}".format(
+            direction=self.get_direction_display(),
+            type=self.get_type_display(), id=self.pk or ''
+        )
+
     def is_valid_type(self):
         """
         Return True if the type is available for the given direction.
@@ -148,11 +177,3 @@ class Port(models.Model):
 
         return super().save(*args, **kwargs)
 
-    def __str__(self):
-        return "{direction}: {type} #{id}".format(
-            direction=self.get_direction_display(),
-            type=self.get_type_display(),
-            id=self.pk or ''
-        )
-
-