new management tool: add

programs/views.py

@@ -1,2 +1,76 @@
-from django.shortcuts           import render
+from django.shortcuts               import render
+from django.core.serializers.json   import DjangoJSONEncoder
+from django.utils                   import timezone, dateformat
+
+import programs.models              as models
+import programs.settings
+
+
+
+class EventList:
+    type  = None
+    next  = None
+    prev  = None
+    at    = None
+    count = None
+
+
+    def __init__ (self, **kwargs):
+        self.__dict__ = kwargs
+        if kwargs:
+            self.get_queryset()
+
+
+    def get_queryset (self):
+        events = models.Event.objects;
+
+        if self.next:   events = events.filter( date_end__ge = timezone.now() )
+        elif self.prev: events = events.filter( date_end__le = timezone.now() )
+        else:           events = events.all()
+
+        events = events.extra(order_by = ['date'])
+        if self.at:     events = events[self.at:]
+        if self.count:  events = events[:self.count]
+
+        self.events = events
+
+
+    def raw_string():
+        """
+        Return a string with events rendered as raw
+        """
+        res = []
+        for event in events:
+            r = [ dateformat.format(event.date, "Y/m/d H:i:s")
+                , str(event.type)
+                , event.parent.file.path
+                , event.parent.file.url
+                ]
+
+            res.push(' '.join(r))
+
+        return '\n'.join(res)
+
+
+    def json_string():
+        import json
+
+        res = []
+        for event in events:
+            r = {
+                  'date': dateformat.format(event.date, "Y/m/d H:i:s")
+                , 'date_end': dateformat.format(event.date_end, "Y/m/d H:i:s")
+                , 'type': str(event.type)
+                , 'file_path': event.parent.file.path
+                , 'file_url': event.parent.file.url
+                }
+
+            res.push(json.dumps(r))
+
+        return '\n'.join(res)
+
+
+
+
+