CriptoMart/red-supermercados-coop#1 purchase_order_product_recommendation_supermarket: add cron to store periods out of stock in products. compute days without stock based on this new model

purchase_order_product_recommendation_supermarket/__manifest__.py

@@ -10,8 +10,10 @@
     "website": "https://criptomart.net",
     "depends": ["purchase_order_product_recommendation"],
     "data": [
+        "security/ir.model.access.csv",
         "wizards/purchase_order_recommendation.xml",
         "views/product_template_view.xml",
+        "data/stock_out_cron.xml",
     ],
     "demo": [],
 }

purchase_order_product_recommendation_supermarket/data/stock_out_cron.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="ir_cron_update_stock_out_periods" model="ir.cron">
+        <field name="name">Update Stock-out Periods</field>
+        <field name="model_id" ref="product.model_product_template"/>
+        <field name="state">code</field>
+        <field name="code">model.cron_update_stock_out_periods()</field>
+        <field name="user_id" ref="base.user_root"/>
+        <field name="active">True</field>
+        <field name="interval_number">1</field>
+        <field name="interval_type">days</field>
+        <field name="numbercall">-1</field>
+        <field name="doall">False</field>
+    </record>
+</odoo>

purchase_order_product_recommendation_supermarket/i18n/es.po

@@ -15,6 +15,66 @@ msgstr ""
 "Content-Transfer-Encoding: \n"
 "Plural-Forms: \n"
 
+#. module: purchase_order_product_recommendation_supermarket
+#: model_terms:ir.ui.view,arch_db:purchase_order_product_recommendation_supermarket.view_product_template_form_po_min_suggest
+msgid "Stock-out Periods"
+msgstr "Periodos sin stock"
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_template__stock_out_period_ids
+msgid "Stock-out Periods"
+msgstr "Periodos sin stock"
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__start_date
+msgid "Start Date"
+msgstr "Fecha inicio"
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__end_date
+msgid "End Date"
+msgstr "Fecha fin"
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__start_date
+msgid "First calendar day when the product had zero stock in this period."
+msgstr "Primer día (calendario) en el que el producto estuvo sin stock en este periodo."
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__end_date
+msgid "Last calendar day (inclusive) the product remained without stock in this period."
+msgstr "Último día (incluido) en el que el producto siguió sin stock en este periodo."
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__is_open
+msgid "Open"
+msgstr "Abierto"
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__days_out
+msgid "Days without Stock"
+msgstr "Días sin stock"
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__product_tmpl_id
+msgid "Product Template"
+msgstr "Plantilla de producto"
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__product_tmpl_id
+msgid "Product template this stock-out period belongs to."
+msgstr "Plantilla de producto a la que pertenece este periodo sin stock."
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__is_open
+msgid "Indicates the period is still ongoing (stock not yet restored)."
+msgstr "Indica que el periodo sigue en curso (el stock todavía no se ha recuperado)."
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__days_out
+msgid "Total number of calendar days (inclusive) without stock for this period."
+msgstr "Número total de días naturales (incluidos) sin stock durante este periodo."
+
 #. module: purchase_order_product_recommendation_supermarket
 #: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_purchase_order_recommendation__include_previous_period
 msgid "Include previous period stats"

purchase_order_product_recommendation_supermarket/i18n/purchase_order_product_recommendation_supermarket.pot

@@ -15,6 +15,66 @@ msgstr ""
 "Content-Transfer-Encoding: \n"
 "Plural-Forms: \n"
 
+#. module: purchase_order_product_recommendation_supermarket
+#: model_terms:ir.ui.view,arch_db:purchase_order_product_recommendation_supermarket.view_product_template_form_po_min_suggest
+msgid "Stock-out Periods"
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_template__stock_out_period_ids
+msgid "Stock-out Periods"
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__start_date
+msgid "Start Date"
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__end_date
+msgid "End Date"
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__start_date
+msgid "First calendar day when the product had zero stock in this period."
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__end_date
+msgid "Last calendar day (inclusive) the product remained without stock in this period."
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__is_open
+msgid "Open"
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__days_out
+msgid "Days without Stock"
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__product_tmpl_id
+msgid "Product Template"
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__product_tmpl_id
+msgid "Product template this stock-out period belongs to."
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__is_open
+msgid "Indicates the period is still ongoing (stock not yet restored)."
+msgstr ""
+
+#. module: purchase_order_product_recommendation_supermarket
+#: model:ir.model.fields,help:purchase_order_product_recommendation_supermarket.field_product_stock_out_period__days_out
+msgid "Total number of calendar days (inclusive) without stock for this period."
+msgstr ""
+
 #. module: purchase_order_product_recommendation_supermarket
 #: model:ir.model.fields,field_description:purchase_order_product_recommendation_supermarket.field_purchase_order_recommendation__include_previous_period
 msgid "Include previous period stats"

purchase_order_product_recommendation_supermarket/models/product_template.py

@@ -1,10 +1,107 @@
-from odoo import models, fields
+from odoo import models, fields, api
+from datetime import date
 
 
 class ProductTemplate(models.Model):
-    _inherit = 'product.template'
+    _inherit = "product.template"
 
     po_min_suggest_if_forecast_le_zero = fields.Boolean(
-        string='Suggest minimum purchase when forecast <= 0',
+        string="Suggest minimum purchase when forecast <= 0",
-        help='If enabled, the purchase recommendation wizard will always propose at least 1 unit (or 1 full package when ordering by packages) when the forecasted stock is less or equal to 0.'
+        help="If enabled, the purchase recommendation wizard will always propose at least 1 unit (or 1 full package when ordering by packages) when the forecasted stock is less or equal to 0.",
     )
+
+    stock_out_period_ids = fields.One2many(
+        "product.stock.out.period",
+        "product_tmpl_id",
+        string="Stock-out Periods",
+        help="Historical periods where this product had zero stock (qty_available <= 0).",
+    )
+
+    def cron_update_stock_out_periods(self):
+        """Scheduled every night: detect products currently without stock and
+        update (or create) an open stock-out period. While a period is open:
+          - end_date is kept updated each day with today's date
+          - days_out reflects (end_date - start_date).days
+        When stock returns the period is marked closed (is_open=False) but end_date
+        keeps the last day without stock (previous day if we consider stock restored today).
+        """
+        # Consider only storable products
+        products = self.search([("type", "=", "product")])
+        today = date.today()
+        # Prefetch qty_available efficiently (framework batches reads)
+        for product in products:
+            qty = product.qty_available
+            open_period = product.stock_out_period_ids.filtered(lambda p: p.is_open)[:1]
+            if qty <= 0:
+                if open_period:
+                    # Refresh end_date to today (still open)
+                    if open_period.end_date != today:
+                        open_period.end_date = today
+                        open_period._compute_days_out()
+                else:
+                    self.env["product.stock.out.period"].create(
+                        {
+                            "product_tmpl_id": product.id,
+                            "start_date": today,
+                            "end_date": today,
+                            "is_open": True,
+                        }
+                    )
+            else:
+                if open_period:
+                    # Close period: stock restored today -> last day without stock was yesterday
+                    # We set end_date to max(start_date, today - 1) to avoid negative spans.
+                    from datetime import timedelta
+
+                    closed_end = max(open_period.start_date, today - timedelta(days=1))
+                    if open_period.end_date != closed_end:
+                        open_period.end_date = closed_end
+                    open_period.is_open = False
+                    open_period._compute_days_out()
+
+
+class ProductStockOutPeriod(models.Model):
+    _name = "product.stock.out.period"
+    _description = "Product Stock-out Period"
+    _order = "start_date desc"
+
+    product_tmpl_id = fields.Many2one(
+        "product.template",
+        required=True,
+        ondelete="cascade",
+        index=True,
+        string="Product Template",
+        help="Product template this stock-out period belongs to.",
+    )
+    start_date = fields.Date(
+        required=True,
+        index=True,
+        string="Start Date",
+        help="First calendar day when the product had zero stock in this period.",
+    )
+    end_date = fields.Date(
+        index=True,
+        string="End Date",
+        help="Last calendar day (inclusive) the product remained without stock in this period.",
+    )
+    is_open = fields.Boolean(
+        string="Open",
+        default=False,
+        index=True,
+        help="Indicates the period is still ongoing (stock not yet restored).",
+    )
+    days_out = fields.Integer(
+        string="Days without Stock",
+        compute="_compute_days_out",
+        store=True,
+        help="Total number of calendar days (inclusive) without stock for this period.",
+    )
+
+    @api.depends("start_date", "end_date", "is_open")
+    def _compute_days_out(self):
+        for rec in self:
+            if rec.start_date and rec.end_date:
+                # Inclusive count of days (both start and end)
+                rec.days_out = (rec.end_date - rec.start_date).days + 1
+            else:
+                rec.days_out = 0

purchase_order_product_recommendation_supermarket/security/ir.model.access.csv

@@ -0,0 +1,2 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_product_stock_out_period_user,access.product.stock.out.period.user,model_product_stock_out_period,base.group_user,1,0,0,0

purchase_order_product_recommendation_supermarket/views/product_template_view.xml

@@ -5,10 +5,31 @@
         <field name="model">product.template</field>
         <field name="inherit_id" ref="product.product_template_form_view"/>
         <field name="arch" type="xml">
-            <xpath expr="//group[@name='bill']" position="before">
+            <xpath expr="//notebook" position="inside">
-                <group string="Purchase Recommendation">
+                <page string="Purchase Recommendation">
-                    <field name="po_min_suggest_if_forecast_le_zero"/>
+                    <group>
-                </group>
+                        <field name="po_min_suggest_if_forecast_le_zero"/>
+                    </group>
+                    <group string="Stock-out Periods">
+                        <field name="stock_out_period_ids" context="{'default_product_tmpl_id': active_id}">
+                            <tree editable="bottom">
+                                <field name="start_date"/>
+                                <field name="end_date"/>
+                                <field name="days_out"/>
+                                <field name="is_open"/>
+                            </tree>
+                            <form>
+                                <group>
+                                    <field name="product_tmpl_id"/>
+                                    <field name="start_date"/>
+                                    <field name="end_date"/>
+                                    <field name="days_out"/>
+                                    <field name="is_open"/>
+                                </group>
+                            </form>
+                        </field>
+                    </group>
+                </page>
             </xpath>
         </field>
     </record>

purchase_order_product_recommendation_supermarket/wizards/purchase_order_recommendation.py

@@ -254,24 +254,31 @@ class PurchaseOrderRecommendationSupermarketWizard(models.TransientModel):
                 line.unlink()
 
     def _get_days_out_of_stock(self, product):
+        """Compute days without stock using precomputed periods (product.stock.out.period).
+
+        A day is counted if it belongs to any stored stock-out period overlapping
+        the target window [date_from, date_to]. The period model stores end_date daily
+        (or closure day).
         """
-        Returns the number of days between date_begin and date_end
-        where the given product had zero or negative stock (qty_available).
-        """
-        days_out_of_stock = 0
         date_from = self.env.context.get("period_date_begin", self.date_begin)
         date_to = self.env.context.get("period_date_end", self.date_end)
         if not date_from or not date_to:
             return 0
-        # Loop through each day in the range
+        # Access template periods (product may be product.product or product.template)
-        for n in range((date_to - date_from).days + 1):
+        product_tmpl = (
-            day = date_from + timedelta(days=n)
+            product.product_tmpl_id if hasattr(product, "product_tmpl_id") else product
-            qty = product.with_context(
+        )
-                to_date=datetime.combine(day, time(23, 59, 59))
+        periods = product_tmpl.stock_out_period_ids
-            ).qty_available
+        total = 0
-            if qty <= 0:
+        for p in periods:
-                days_out_of_stock += 1
+            if not p.start_date or not p.end_date:
-        return days_out_of_stock
+                continue
+            # Overlap window
+            start = max(p.start_date, date_from)
+            end = min(p.end_date, date_to)
+            if start <= end:
+                total += (end - start).days
+        return total
 
     def _get_products(self):
         """Overwrite because filter by cateogory is not working in the base method."""