added Task class and DataStore.getTaskByID()

DataStore.py

@@ -5,6 +5,12 @@ from datetime import datetime
 
 HISTORY_DT_FMT = '%Y-%m-%d %H:%M:%S'
 
+class Task:
+    def __init__(self, name, longname, parentid):
+        self.name = name
+        self.longname = longname
+        self.parentid = parentid
+
 class TaskRef:
     def __init__(self, taskid, dt):
         self.taskid = taskid
@@ -77,3 +83,16 @@ VALUES (0, ?, ?)
 ''', (ct.taskid, ct.dt.strftime(HISTORY_DT_FMT)))
         c.close()
         self.conn.commit()
+
+    def getTaskByID(self, taskid):
+        t = None
+        c = self.conn.cursor()
+        c.execute('''
+SELECT name, longname, parentid
+FROM tasks
+WHERE id = ?
+''', (taskid,))
+        for row in c:
+            t = Task(row[0], row[1], row[2])
+        c.close()
+        return t