[12.0][ADD] - Add new addon: contract_forecast

contract_forecast/models/contract_line_forecast_period.py

@@ -0,0 +1,83 @@
+# Copyright 2019 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+from odoo.addons import decimal_precision as dp
+
+
+class ContractLineForecastPeriod(models.Model):
+
+    _name = "contract.line.forecast.period"
+    _description = "Contract Line Forecast Period"
+    _order = "date_invoice, sequence"
+
+    name = fields.Char(string="Name", required=True, readonly=True)
+    sequence = fields.Integer(
+        string="Sequence", related="contract_line_id.sequence", store=True
+    )
+    contract_id = fields.Many2one(
+        comodel_name="account.analytic.account",
+        string="Contract",
+        required=True,
+        readonly=True,
+        ondelete="cascade",
+        related="contract_line_id.contract_id",
+        store=True,
+        index=True,
+    )
+    contract_line_id = fields.Many2one(
+        comodel_name="account.analytic.invoice.line",
+        string="Contract Line",
+        required=True,
+        readonly=True,
+        ondelete="cascade",
+        index=True,
+    )
+    product_id = fields.Many2one(
+        comodel_name="product.product",
+        string="Product",
+        required=True,
+        readonly=True,
+        related="contract_line_id.product_id",
+        store=True,
+        index=True,
+    )
+    date_start = fields.Date(string="Date Start", required=True, readonly=True)
+    date_end = fields.Date(string="Date End", required=True, readonly=True)
+    date_invoice = fields.Date(
+        string="Invoice Date", required=True, readonly=True
+    )
+    quantity = fields.Float(default=1.0, required=True)
+    price_unit = fields.Float(string='Unit Price')
+    price_subtotal = fields.Float(
+        digits=dp.get_precision("Account"),
+        string="Amount Untaxed",
+        compute='_compute_price_subtotal',
+        store=True
+    )
+    discount = fields.Float(
+        string='Discount (%)',
+        digits=dp.get_precision('Discount'),
+        help='Discount that is applied in generated invoices.'
+        ' It should be less or equal to 100',
+    )
+    active = fields.Boolean(
+        string="Active",
+        related="contract_line_id.active",
+        store=True,
+        readonly=True,
+        default=True,
+    )
+
+    @api.multi
+    @api.depends('quantity', 'price_unit', 'discount')
+    def _compute_price_subtotal(self):
+        for line in self:
+            subtotal = line.quantity * line.price_unit
+            discount = line.discount / 100
+            subtotal *= 1 - discount
+            if line.contract_id.pricelist_id:
+                cur = line.contract_id.pricelist_id.currency_id
+                line.price_subtotal = cur.round(subtotal)
+            else:
+                line.price_subtotal = subtotal