[REF] Contract: invoice creation

[FIX] - Fix typo

[IMP] - date start required for contract line

[REF] Gitignore: .eggs

.gitignore

@@ -21,6 +21,7 @@ var/
 *.egg-info/
 .installed.cfg
 *.egg
+*.eggs
 
 # Installer logs
 pip-log.txt

contract/models/account_invoice.py

@@ -1,7 +1,7 @@
 # © 2016 Carlos Dauden <carlos.dauden@tecnativa.com>
 # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
 
-from odoo import fields, models
+from odoo import api, fields, models
 
 
 class AccountInvoice(models.Model):
@@ -10,3 +10,9 @@ class AccountInvoice(models.Model):
     contract_id = fields.Many2one(
         'account.analytic.account', string='Contract'
     )
+
+    @api.multi
+    def finalize_creation_from_contract(self):
+        for invoice in self:
+            invoice._onchange_partner_id()
+        self.compute_taxes()

contract/models/contract.py

@@ -173,8 +173,7 @@ class AccountAnalyticAccount(models.Model):
         invoice_type = 'out_invoice'
         if self.contract_type == 'purchase':
             invoice_type = 'in_invoice'
-        invoice = self.env['account.invoice'].new(
-            {
+        return {
             'reference': self.code,
             'type': invoice_type,
             'partner_id': self.partner_id.address_get(['invoice'])[
@@ -188,10 +187,6 @@ class AccountAnalyticAccount(models.Model):
             'contract_id': self.id,
             'user_id': self.partner_id.user_id.id,
         }
-        )
-        # Get other invoice values from partner onchange
-        invoice._onchange_partner_id()
-        return invoice._convert_to_write(invoice._cache)
 
     @api.multi
     def action_contract_send(self):
@@ -217,12 +212,61 @@ class AccountAnalyticAccount(models.Model):
             'context': ctx,
         }
 
+    @api.model
+    def _get_recurring_create_invoice_domain(self, contract=False):
+        domain = []
+        date_ref = fields.Date.context_today(self)
+        if contract:
+            contract.ensure_one()
+            date_ref = contract.recurring_next_date
+            domain.append(('id', '=', contract.id))
+        domain.extend(
+            [
+                ('recurring_invoices', '=', True),
+                ('recurring_next_date', '<=', date_ref),
+            ]
+        )
+        return domain
+
+    @api.multi
+    def _get_lines_to_invoice(self, date_ref=False):
+        self.ensure_one()
+        if not date_ref:
+            date_ref = fields.Date.context_today(self)
+        return self.recurring_invoice_line_ids.filtered(
+            lambda l: not l.is_canceled and l.recurring_next_date <= date_ref)
+
     @api.multi
     def recurring_create_invoice(self):
-        return self.env[
-            'account.analytic.invoice.line'
-        ].recurring_create_invoice(self)
+        invoice_model = self.env['account.invoice']
+        invoices_values = []
+        for contract in self:
+            contract_lines = contract._get_lines_to_invoice()
+            if not contract_lines:
+                continue
+            invoice_values = contract._prepare_invoice(
+                contract.recurring_next_date)
+            for line in contract_lines:
+                invoice_values.setdefault('invoice_line_ids', [])
+                invoice_values['invoice_line_ids'].append(
+                    (0, 0, line._prepare_invoice_line(False))
+                )
+            # If no account on the product, the invoice lines account is
+            # taken from the invoice's journal in _onchange_product_id
+            # This code is not in finalize_creation_from_contract because it's
+            # not possible to create an invoice line with no account
+            new_invoice = invoice_model.new(invoice_values)
+            for invoice_line in new_invoice.invoice_line_ids:
+                invoice_line.invoice_id = new_invoice
+                invoice_line._onchange_product_id()
+            invoice_values = new_invoice._convert_to_write(new_invoice._cache)
+            invoices_values.append(invoice_values)
+            contract_lines._update_recurring_next_date()
+        invoices = invoice_model.create(invoices_values)
+        invoices.finalize_creation_from_contract()
 
     @api.model
     def cron_recurring_create_invoice(self):
-        self.env['account.analytic.invoice.line'].recurring_create_invoice()
+        domain = self._get_recurring_create_invoice_domain()
+        contracts_to_invoice = self.search(domain)
+        contracts_to_invoice.recurring_create_invoice()

contract/models/contract_line.py

@@ -24,6 +24,7 @@ class AccountAnalyticInvoiceLine(models.Model):
     )
     date_start = fields.Date(
         string='Date Start',
+        required=True,
         default=lambda self: fields.Date.context_today(self),
     )
     date_end = fields.Date(string='Date End', index=True)
@@ -78,7 +79,10 @@ class AccountAnalyticInvoiceLine(models.Model):
         compute="_compute_state",
     )
     active = fields.Boolean(
-        string="Active", related="contract_id.active", strore=True
+        string="Active",
+        related="contract_id.active",
+        store=True,
+        readonly=True,
     )
 
     @api.multi
@@ -312,69 +316,11 @@ class AccountAnalyticInvoiceLine(models.Model):
                         rec.recurring_next_date
                     )
 
-    @api.model
-    def _get_recurring_create_invoice_domain(self, contract=False):
-        domain = []
-        date_ref = fields.Date.context_today(self)
-        if contract:
-            contract.ensure_one()
-            date_ref = contract.recurring_next_date
-            domain.append(('contract_id', '=', contract.id))
-
-        domain.extend(
-            [
-                ('contract_id.recurring_invoices', '=', True),
-                ('recurring_next_date', '<=', date_ref),
-                ('is_canceled', '=', False),
-            ]
-        )
-        return domain
-
-    @api.model
-    def recurring_create_invoice(self, contract=False):
-        domain = self._get_recurring_create_invoice_domain(contract)
-        contract_to_invoice = self.read_group(
-            domain, ['id', 'contract_id'], ['contract_id']
-        )
-        return self._recurring_create_invoice(contract_to_invoice)
-
-    @api.model
-    def _recurring_create_invoice(self, contract_to_invoice):
-        """Create invoices from contracts
-
-        :return: invoices created
-        """
-        invoices = self.env['account.invoice']
-        for contract in contract_to_invoice:
-            lines = self.search(contract['__domain'])
-            if lines:
-                invoices |= lines._create_invoice()
-                lines._update_recurring_next_date()
-        return invoices
-
     @api.multi
-    def _create_invoice(self):
-        """
-        :return: invoice created
-        """
-        contract = self.mapped('contract_id')
-        date_invoice = min(self.mapped('recurring_next_date'))
-        invoice = self.env['account.invoice'].create(
-            contract._prepare_invoice(date_invoice)
-        )
-        for line in self:
-            invoice_line_vals = line._prepare_invoice_line(invoice.id)
-            if invoice_line_vals:
-                self.env['account.invoice.line'].create(invoice_line_vals)
-        invoice.compute_taxes()
-        return invoice
-
-    @api.multi
-    def _prepare_invoice_line(self, invoice_id):
+    def _prepare_invoice_line(self, invoice_id=False):
         self.ensure_one()
         invoice_line = self.env['account.invoice.line'].new(
             {
-                'invoice_id': invoice_id,
                 'product_id': self.product_id.id,
                 'quantity': self.quantity,
                 'uom_id': self.uom_id.id,