# -*- coding: utf-8 -*-
from openerp.http import request as r

def get_product_brand():
    validate = '''
        SELECT EXISTS(
            SELECT table_name
            FROM information_schema.columns
            WHERE table_schema='public'
                AND table_name='product_brand')
    '''

    query = '''
        SELECT
            id,
            name
        FROM product_brand
    '''

    r.cr.execute(validate)
    for j in r.cr.fetchall():
        band = j[0]

    if band == True:
        r.cr.execute(query)
        return [
            {
                'id': j[0],
                'name': j[1],
            } for j in r.cr.fetchall()
        ]
    else:
        return []