1 files changed, 111 insertions, 0 deletions
diff --git a/module/PullEvents.py b/module/PullEvents.py
new file mode 100644
index 000000000..7b23cf8b8
--- /dev/null
+++ b/module/PullEvents.py
@@ -0,0 +1,111 @@
+# -*- coding: utf-8 -*-
+
+"""
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License,
+    or (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+    See the GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, see <http://www.gnu.org/licenses/>.
+    
+    @author: mkaay
+"""
+
+from time import time
+
+class PullManager():
+    def __init__(self, core):
+        self.core = core
+        self.clients = []
+    
+    def newClient(self, uuid):
+        self.clients.append(Client(uuid))
+    
+    def clean(self):
+        for n, client in enumerate(self.clients):
+            if client.lastActive + 30 < time():
+                del self.clients[n]
+    
+    def getEvents(self, uuid):
+        events = []
+        validUuid = False
+        for client in self.clients:
+            if client.uuid == uuid:
+                client.lastActive = time()
+                validUuid = True
+                while client.newEvents():
+                    events.append(client.popEvent().toList())
+                break
+        if not validUuid:
+            self.newClient(uuid)
+            events = [ReloadAllEvent("queue").toList(), ReloadAllEvent("packages").toList(), ReloadAllEvent("collector").toList()]
+        return events
+    
+    def addEvent(self, event):
+        for client in self.clients:
+            client.addEvent(event)
+
+class Client():
+    def __init__(self, uuid):
+        self.uuid = uuid
+        self.lastActive = time()
+        self.events = []
+    
+    def newEvents(self):
+        return (len(self.events) > 0)
+    
+    def popEvent(self):
+        if not len(self.events):
+            return None
+        return self.events.pop(0)
+    
+    def addEvent(self, event):
+        self.events.append(event)
+
+class UpdateEvent():
+    def __init__(self, itype, iid, destination):
+        assert itype == "pack" or itype == "file"
+        assert destination == "queue" or destination == "collector" or destination == "packages"
+        self.type = itype
+        self.id = iid
+        self.destination = destination
+    
+    def toList(self):
+        return ["update", self.destination, self.type, self.id]
+
+class RemoveEvent():
+    def __init__(self, itype, iid, destination):
+        assert itype == "pack" or itype == "file"
+        assert destination == "queue" or destination == "collector" or destination == "packages"
+        self.type = itype
+        self.id = iid
+        self.destination = destination
+    
+    def toList(self):
+        return ["remove", self.destination, self.type, self.id]
+
+class InsertEvent():
+    def __init__(self, itype, iid, after, destination):
+        assert itype == "pack" or itype == "file"
+        assert destination == "queue" or destination == "collector" or destination == "packages"
+        self.type = itype
+        self.id = iid
+        self.after = after
+        self.destination = destination
+    
+    def toList(self):
+        return ["insert", self.destination, self.type, self.id, self.after]
+
+class ReloadAllEvent():
+    def __init__(self, destination):
+        assert destination == "queue" or destination == "collector" or destination == "packages"
+        self.destination = destination
+        
+    def toList(self):
+        return ["reload", self.destination]