eiru_pos/controllers/main.py

# -*- coding: utf-8 -*-
from openerp import http
from openerp.http import request
from werkzeug.wrappers import Response
from werkzeug.datastructures import Headers
from datetime import datetime
from StringIO import StringIO
from gzip import GzipFile
from StringIO import StringIO as IO
import simplejson as json
import gzip
import logging

LOGGER = logging.getLogger(__name__)

class Sales(http.Controller):

    '''
        Get server date
    '''
    def get_server_date(self):
        return datetime.now().strftime('%Y-%m-%d')

    '''
        Get current user information
    '''
    def get_user(self):
        user = request.env.user

        return {
            'id': user.id,
            'name': user.name,
            'displayName': user.display_name,
            'currency': {
                'id': user.company_id.currency_id.id,
                'name': user.company_id.currency_id.name,
                'displayName': user.company_id.currency_id.display_name,
                'symbol': user.company_id.currency_id.symbol
            }
        }

    '''
        Get currencies
    '''
    def get_currencies(self):
        return [{
            'id': currency.id,
            'name': currency.name,
            'displayName': currency.display_name,
            'base': currency.base,
            'accuracy': currency.accuracy,
            'rateSilent': currency.rate_silent,
            'rounding': currency.rounding,
            'symbol': currency.symbol,
            'position': currency.position,
            'decimalSeparator': currency.decimal_separator,
            'decimalPlaces': currency.decimal_places,
            'thousandsSeparator': currency.thousands_separator
        } for currency in request.env['res.currency'].search([('active', '=', True)])]

    '''
        Get all active journals
    '''
    def get_journals(self):
        return [{
            'id': journal.id,
            'name': journal.name,
            'displayName': journal.display_name,
            'code': journal.code,
            'cashControl': journal.cash_control,
            'type': journal.type,
            'currency': {
                'id': journal.currency.id,
                'name': journal.currency.name,
                'displayName': journal.currency.display_name
            },
            'defaultCreditAccount': {
                'id': journal.default_credit_account_id.id,
                'name': journal.default_credit_account_id.name,
                'displayName': journal.default_credit_account_id.display_name,
                'code': journal.default_credit_account_id.code,
                'exchangeRate': journal.default_credit_account_id.exchange_rate,
                'foreignBalance': journal.default_credit_account_id.foreign_balance,
                'reconcile': journal.default_credit_account_id.reconcile,
                'debit': journal.default_credit_account_id.debit,
                'credit': journal.default_credit_account_id.credit,
                'currencyMode': journal.default_credit_account_id.currency_mode,
                'companyCurrency': {
                    'id': journal.default_credit_account_id.company_currency_id.id,
                    'name': journal.default_credit_account_id.company_currency_id.name,
                    'displayName': journal.default_credit_account_id.company_currency_id.display_name,
                },
                'currency': {
                    'id': journal.default_credit_account_id.currency_id.id,
                    'name': journal.default_credit_account_id.currency_id.name,
                    'displayName': journal.default_credit_account_id.currency_id.display_name
                },
            }
        } for journal in request.env['account.journal'].search([('type', 'in', ['bank', 'cash']), ('default_credit_account_id.currency_id', '=', False), ('active', '=', True)], order='id')]
    
    '''
        Get all active customers
    '''
    def get_customers(self):
        return [{
            'id': customer.id,
            'name': customer.name,
            'displayName': customer.display_name,
            'imageMedium': customer.image_medium,
            'phone': customer.phone,
            'mobile': customer.mobile,
            'email': customer.email
        } for customer in request.env['res.partner'].search([('customer', '=', True), ('active', '=', True)])]

    '''
        Get all saleable and active products
    '''
    def get_products(self):
        return [{
            'id': product.id,
            'name': product.name,
            'displayName': product.display_name,
            'ean13': product.ean13,
            'imageMedium': product.image_medium,
            'listPrice': product.list_price,
            'variantCount': product.product_variant_count,
            'quantity': 1,
            'price': product.list_price,
            'discount': 0,
            'variants': [{
                'id': variant.id,
                'name': variant.name,
                'displayName': variant.display_name,
                'ean13': variant.ean13,
                'imageMedium': variant.image_medium,
                'listPrice': variant.list_price
            } for variant in product.product_variant_ids if variant.active]
        } for product in request.env['product.template'].search([('sale_ok', '=', True), ('list_price', '>', 0), ('active', '=', True)])]

    '''
        Get all active payment terms
    '''
    def get_payment_terms(self):
        return [{
            'id': payment_term.id,
            'name': payment_term.name,
            'displayName': payment_term.display_name,
            'lines': [{
                'id': line.id,
                'days': line.days,
                'days2': line.days2,
                'value': line.value,
                'value_amount': line.value_amount
            } for line in payment_term.line_ids]
        } for payment_term in request.env['account.payment.term'].search([('active', '=', True)])]

    '''
        Make JSON response
    '''
    def make_json_response(self, data=None, status=200):
        return Response(json.dumps(data), status=status, content_type='application/json')

    '''
        Make GZIP to JSON response
    '''
    def make_gzip_response(self, data=None, status=200):
        gzip_buffer = IO()
        with GzipFile(mode='wb', compresslevel=9, fileobj=gzip_buffer) as gzip_file:
            gzip_file.write(json.dumps(data))
        
        contents = gzip_buffer.getvalue()
        gzip_buffer.close()

        headers = Headers()
        headers.add('Content-Encoding', 'gzip')
        headers.add('Vary', 'Accept-Encoding')
        headers.add('Content-Length', len(contents))

        return Response(contents, status=status, headers=headers, content_type='application/json')

    '''
    '''
    def make_info_log(self, log):
        LOGGER.info(log)

    '''
        New purchase resource route
    '''
    @http.route('/eiru_sales/init', auth='user', methods=['GET'], cors='*')
    def init_sale(self, **kw):
        self.make_info_log('Sending JSON response')
    
        return self.make_gzip_response({
            'date': self.get_server_date(),
            'user': self.get_user(),
            'currencies': self.get_currencies(),
            'journals': self.get_journals(),
            'customers': self.get_customers(),
            'products': self.get_products(),
            'paymentTerms': self.get_payment_terms()
        })

    
    '''
        Create customer and return data
    '''
    @http.route('/eiru_sales/create_customer', type='json', auth='user', methods=['POST'], cors='*')
    def create_customer(self, **kw):
        self.make_info_log('Creating customer')

        customer = request.env['res.partner'].create({
            'name': kw.get('name'),
            'ruc': kw.get('ruc'),
            'phone': kw.get('phone'),
            'customer': True
        })

        return {
            'id': customer.id,
            'name': customer.name,
            'displayName': customer.display_name,
            'imageMedium': customer.image_medium,
            'phone': customer.phone,
            'mobile': customer.mobile,
            'email': customer.email
        }
    
    '''
        Create product and return data
    '''
    @http.route('/eiru_sales/create_product', type='json', auth='user', methods=['POST'], cors='*')
    def create_product(self, **kw):
        self.make_info_log('Creating customer')

        product = request.env['product.template'].create({
            'name': kw.get('name'),
            'list_price': float(kw.get('price')),
            'ean13': kw.get('ean13')
        })

        return {
            'id': product.id,
            'name': product.name,
            'displayName': product.display_name,
            'ean13': product.ean13,
            'imageMedium': product.image_medium,
            'listPrice': product.list_price,
            'variantCount': product.product_variant_count,
            'quantity': 1,
            'price': product.list_price,
            'discount': 0,
            'variants': [{
                'id': variant.id,
                'name': variant.name,
                'displayName': variant.display_name,
                'ean13': variant.ean13,
                'imageMedium': variant.image_medium,
                'listPrice': variant.list_price
            } for variant in product.product_variant_ids if variant.active]
        }