~technofluid-team/openobject-addons/technofluid_multiple_installations

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import time

 

import wizard

import netsvc

import pooler

from osv.orm import browse_record

 

merge_form = """<?xml version="1.0"?>

<form string="Merge orders">

        <separator string="Are you sure you want to merge these orders ?"/>

        <newline/>

        <label string="Please note that orders will only be merged if they are to the same partner and going to the same location, and lines will only be merged if they are exactly the same except for the quantity and unit."/>

</form>

"""

 

merge_fields = {

}

 

ack_form = """<?xml version="1.0"?>

<form string="Merge orders">

        <separator string="Orders merged"/>

</form>"""

 

ack_fields = {}

 

def _mergeOrders(self, cr, uid, data, context):

        order_obj = pooler.get_pool(cr.dbname).get('purchase.order')

 

        def make_key(br, fields):

                list_key = []

                for field in fields:

                        field_val = getattr(br, field)

                        if isinstance(field_val, browse_record):

                                field_val = field_val.id

                        elif isinstance(field_val, list):

                                field_val = ((6, 0, tuple([v.id for v in field_val])),)

                        list_key.append((field, field_val))

                list_key.sort()

                return tuple(list_key)

                

        # compute what the new orders should contain

        new_orders = {}

        for porder in [order for order in order_obj.browse(cr, uid, data['ids']) if order.state == 'draft']:

                order_key = make_key(porder, ('partner_id', 'location_id'))

                new_order = new_orders.setdefault(order_key, ({}, []))

                new_order[1].append(porder.id)

                order_infos = new_order[0]

                if not order_infos:

                        order_infos.update({

                                'origin': porder.origin,

                                'date_order': time.strftime('%Y-%m-%d'),

                                'partner_id': porder.partner_id.id,

                                'partner_address_id': porder.partner_address_id.id,

                                'dest_address_id': porder.dest_address_id.id,

                                'warehouse_id': porder.warehouse_id.id,

                                'location_id': porder.location_id.id,

                                'project_id': porder.project_id.id,

                                'pricelist_id': porder.pricelist_id.id,

                                'state': 'draft',

                                'order_line': {},

                                'notes': '%s' % (porder.notes,),

                        })

                else:

                        #order_infos['name'] += ', %s' % porder.name

                        order_infos['notes'] += ('\n%s' % (porder.notes,))

 

                for order_line in porder.order_line:

                        line_key = make_key(order_line, ('name', 'date_planned', 'taxes_id', 'price_unit', 'notes', 'product_id', 'move_dest_id'))      

                        o_line = order_infos['order_line'].setdefault(line_key, {})

                        if o_line:

                                # merge the line with an existing line

                                o_line['product_qty'] += order_line.product_qty * order_line.product_uom.factor / o_line['uom_factor']

                        else:

                                # append a new "standalone" line

                                for field in ('product_qty', 'product_uom'):

                                        field_val = getattr(order_line, field)

                                        if isinstance(field_val, browse_record):

                                                field_val = field_val.id

                                        o_line[field] = field_val 

                                o_line['uom_factor'] = order_line.product_uom and order_line.product_uom.factor or 1.0

 

        wf_service = netsvc.LocalService("workflow")

 

        allorders = []

        for order_key, (order_data, old_ids) in new_orders.iteritems():

                # skip merges with only one order

                if len(old_ids) < 2:

                        allorders += (old_ids or [])

                        continue

 

                # cleanup order line data

                for key, value in order_data['order_line'].iteritems():

                        del value['uom_factor']

                        value.update(dict(key))

                order_data['order_line'] = [(0, 0, value) for value in order_data['order_line'].itervalues()]

                

                # create the new order

                neworder_id = order_obj.create(cr, uid, order_data)

                allorders.append(neworder_id)

 

                # make triggers pointing to the old orders point to the new order

                for old_id in old_ids:

                        wf_service.trg_redirect(uid, 'purchase.order', old_id, neworder_id, cr)

                        wf_service.trg_validate(uid, 'purchase.order', old_id, 'purchase_cancel', cr)

 

        return {

                'domain': "[('id','in', ["+','.join(map(str,allorders))+"])]",

                'name': 'Purchase Orders',

                'view_type': 'form',

                'view_mode': 'tree,form',

                'res_model': 'purchase.order',

                'view_id': False,

                'type': 'ir.actions.act_window'

        }

 

class merge_orders(wizard.interface):

        states = {

                'init' : {

                        'actions' : [],

                        'result' : {'type' : 'form', 'arch' : merge_form, 'fields' : merge_fields, 'state' : [('end', 'Cancel'),('merge', 'Merge orders') ]}

                },

                'merge' : {

                        'actions' : [],

                        'result' : {'type':'action', 'action':_mergeOrders, 'state':'end'}

                },

        }

merge_orders("purchase.order.merge")