Add 2 parameters available in Odoo system parameters for products sale averages

lacagette_addons/lacagette_products/__openerp__.py

@@ -3,7 +3,9 @@
     'name': "La Cagette Products",
 
     'summary': """
-        Retrieve data such as barcode for all available products (too long request with standard API)""",
+        Retrieve data such as barcode for all available products (too long request with standard API),
+        average sales (for products in purchase order for ex.)
+        """,
 
     'description': """
 
@@ -16,12 +18,13 @@
     # Check https://github.com/odoo/odoo/blob/master/openerp/addons/base/module/module_data.xml
     # for the full list
     'category': 'Product',
-    'version': '0.0.1',
+    'version': '0.0.2',
 
     # any module necessary for this one to work correctly
     'depends': ['base', 'product'],
     # always loaded
     'data': [
+        'data/ir_config_parameter_data.xml'
     ],
     'installable': True,
 }

lacagette_addons/lacagette_products/models/products.py

@@ -114,7 +114,9 @@ class LaCagetteProducts(models.Model):
         @days: list of full period days (except excluded one, such as sundays)
         @return : integer days to remove from days number to compute average
         """
-        minimum_significative_consecutive_days = 5  # arbitrary set (TODO ? : set it in odoo parameters)
+        conf = self.env['ir.config_parameter']
+        minimum_significative_consecutive_days =\
+        conf.get_param('lacagette_products.nb_of_consecutive_non_sale_days_considered_as_break')
         consecutive_found = [] # each serie is added to compute total of them
         missing_days = []
         for d in days:
@@ -188,6 +190,8 @@ class LaCagetteProducts(models.Model):
         @params: list of parameters ('ids', 'period', excluded_days)
         @return: list (with list key or error key)
         """
+        conf = self.env['ir.config_parameter']
+        delta_day = conf.get_param('lacagette_products.nb_past_days_to_compute_sales_average')
         res = {}
         if 'ids' in params:
             ids = list(filter(lambda x: isinstance(x, int), params['ids']))
@@ -204,7 +208,7 @@ class LaCagetteProducts(models.Model):
                 if 'from' in params:
                     dfrom = params['from']
                 else:
-                    dfrom = today - datetime.timedelta(50)
+                    dfrom = today - datetime.timedelta(delta_day)
                     dfrom = dfrom.strftime("%Y-%m-%d")
                 try:
                     sql = """