Source code for odoo_xmlrpc_twisted.functions.get_picture_string

"""
Get the picture in form of a data string from a specific product
to display it on the dasboard of the user.
"""


# call the function "get_settings_odoo" to get the parameters
# for the logging of the model on the "odoo Webservice API"
try:
    from .get_settings_odoo import get_settings_odoo
except ImportError:
    from get_settings_odoo import get_settings_odoo
result   = get_settings_odoo()
db       = result[0]
uid      = result[1]
password = result[3]
models   = result[4] 





def get_picture_string(product_id, res_field, name):
    
    """
    Get a specific picture of a product from the odoo table 'ir.attachment'
    with the parameter:
    - name      (for example 'image_128_front')
    - res_field (for example 'image_128')
    Return the picture as a string.
    """
    
    custom_str = ''

    if product_id != '':
        
        # find the corresponding product_template_id of the product
        custom_product_tmpl = models.execute_kw(db,uid, password,   'product.product', 'search_read',
                                                [[['id', '=', product_id]]],
                                                  {'fields': ['product_tmpl_id']})
        
#       if the array is not empty
#       get the value for 'product_tmpl_id'
        if custom_product_tmpl:
            for key, value in list(custom_product_tmpl[0].items()):
                if key == "product_tmpl_id":
                    custom_product_tmpl_id = value[0]
                    
            if custom_product_tmpl_id:
            
#               get the "datas" value (= picture) from the odoo database
                custom_picture = models.execute_kw(db,uid, password,'ir.attachment', 'search_read',
                                            [[['res_id', '=', custom_product_tmpl_id],
                                            ['name', '=', name],
                                            ['res_field', '=', res_field],
                                            ['res_model', '=', 'product.template']]],
                                            {'fields': ['datas']})

#               get the "datas" value from the array "custom_picture" to get the picture data
                if custom_picture:
                    for key, value in list(custom_picture[0].items()):
                        if key == "datas":
                            custom_str = value
                                  
    else:
        pass

    return(custom_str)