Move ItemManager to its own layer

itemmanager.py

@@ -0,0 +1,43 @@
+from api import StandardNotesAPI
+
+class ItemManager:
+    items = {}
+
+    def mapResponseItemsToLocalItems(self, response_items):
+        for response_item in response_items:
+            uuid = response_item['uuid']
+
+            if response_item['deleted']:
+                if uuid in self.items:
+                    del self.items[uuid]
+                continue
+
+            self.items[uuid] = response_item
+
+    def getNotes(self):
+        notes = {}
+        sorted_items = sorted(self.items.items(), key=lambda x: x[1]['created_at'])
+
+        for uuid, item in sorted_items:
+            if item['content_type'] == 'Note':
+                note = item['content']
+                text = note['text'] + '\n'
+                count = 0 # used to remove title duplicates
+
+                while True:
+                    title = note['title'] + ('' if not count else ' ' + str(count + 1))
+                    if title in notes:
+                        count += 1
+                    else:
+                        break
+
+                notes[title] = dict(text=text,
+                        created=item['created_at'],
+                        modified=item['updated_at'],
+                        uuid=item['uuid'])
+        return notes
+
+    def __init__(self, username, password):
+        self.standard_notes = StandardNotesAPI(username, password)
+        response_items = self.standard_notes.sync(None)
+        self.mapResponseItemsToLocalItems(response_items)