~technofluid-team/openobject-addons/technofluid_multiple_installations

##############################################################################

#

# Copyright (c) 2005 TINY SPRL. (http://tiny.be) All Rights Reserved.

#

# $Id: _date_compute.py 1005 2005-07-25 08:41:42Z nicoe $

#

# WARNING: This program as such is intended to be used by professional

# programmers who take the whole responsability of assessing all potential

# consequences resulting from its eventual inadequacies and bugs

# End users who are looking for a ready-to-use solution with commercial

# garantees and support are strongly adviced to contract a Free Software

# Service Company

#

# 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 2

# of the License, or (at your option) any later version.

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# 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.

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#

##############################################################################

 

import mx.DateTime

from mx.DateTime import *

 

import time

import pooler

 

#

# TODO: improve sequences code

#

def _compute_tasks(cr, uid, task_list, date_begin):

        sequences = []

        users = {}

        tasks = {}

        last_date = date_begin

        for task in task_list:

                # TODO: reorder ! with dependencies

                if not task.planned_hours:

                        continue

                if task.state in ('open','progress') and task.user_id:

 

                        # Find the starting date of the task

                        if task.user_id.id in users:

                                date_start = users[task.user_id.id]

                        else:

                                date_start = date_begin

                        if task.start_sequence:

                                sequences.sort()

                                for (seq,dt) in sequences:

                                        if seq<task.sequence:

                                                date_start = max(dt,date_start)

                                        else:

                                                break

 

                        if task.date_start and date_start<task.date_start:

                                date_start = task.date_start

 

                        # Compute the closing date of the task

                        tasks[task.id] = []

                        res = pooler.get_pool(cr.dbname).get('hr.timesheet.group').interval_get(cr, uid, task.project_id.timesheet_id.id, date_start, task.planned_hours)

                        for (d1,d2) in res:

                                tasks[task.id].append((d1, d2, task.name, task.user_id.login))

                        date_close = tasks[task.id][-1][1]

 

                        # Store result

                        users[task.user_id.id] = date_close

                        sequences.append((task.sequence, date_close))

                        if date_close>last_date:

                                last_date=date_close

        return tasks, last_date

 

def _compute_project(cr, uid, project, date_begin):

        tasks, last_date = _compute_tasks(cr, uid, project.tasks, date_begin)

        for proj in project.child_id:

                d0 = mx.DateTime.strptime(proj.date_start,'%Y-%m-%d')

                if d0 > last_date:

                        last_date = d0

                t2, l2 = _compute_project(cr, uid, proj, last_date)

                tasks.update(t2)

                last_date = l2

        return tasks, last_date

 

def _project_compute(cr, uid, project_id):

        project = pooler.get_pool(cr.dbname).get('project.project').browse(cr, uid, project_id)

        if project.date_start:

                date_begin = mx.DateTime.strptime(project.date_start, '%Y-%m-%d')

        else:

                date_begin = now()

        tasks, last_date = _compute_project(cr, uid, project, date_begin)

        return tasks, last_date