initapp.py

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#!/usr/bin/python
# -*- coding: utf-8 -*- 
#
# Standard Pafera app functions called when the app is added or 
# removed to the system.
 
from pafera.db import *
from apps.system.group import *
 
# *********************************************************************
def OnAppInstall(g):
  db  = g.db
  
  needcommit  = 0
  
  if not db.Find(system_group, 'WHERE groupname = ?', 'students'):
    newgroup  = system_group()
    newgroup.Set(
      displayname = {'en': 'Students'},
      groupname   = 'students',
    )
    db.Save(newgroup)
    needcommit  = 1
    
  if not db.Find(system_group, 'WHERE groupname = ?', 'teachers'):
    newgroup  = system_group()
    newgroup.Set(
      displayname = {'en': 'Teachers'},
      groupname   = 'teachers',
    )
    db.Save(newgroup)
    needcommit  = 1
    
  if not db.Find(system_group, 'WHERE groupname = ?', 'school.administrators'):
    newgroup  = system_group()
    newgroup.Set(
      displayname = {'en': 'School Administrators'},
      groupname   = 'school.administrators',
    )
    db.Save(newgroup)
    needcommit  = 1
    
  if not db.Find(system_group, 'WHERE groupname = ?', 'school.system.administrators'):
    newgroup  = system_group()
    newgroup.Set(
      displayname = {'en': 'School System Administrators'},
      groupname   = 'school.system.administrators',
    )
    db.Save(newgroup)
    needcommit  = 1
    
  if needcommit:
    db.Commit()
  
# *********************************************************************
def OnAppDelete(g):
  db  = g.db
  
  needcommit  = 0
  
  for r in [
      'students',
      'teachers',
      'school.administrators',
      'school.system.administrators',
    ]:
    
    group   = db.Find(system_group, 'WHERE groupname = ?', r)
    
    if group:
      db.Delete(group[0])
      needcommit  = 1
  
  if needcommit:
    db.Commit()