[REF][FIX] coupon,sale_coupon: move mail_template_sale_coupon

mail_template_sale_coupon is specific to sale_coupon so we are moving
it back to sale_coupon module. Additionally, we add a way of selecting
a mail template when generating coupons for customers.

addons/coupon/__manifest__.py

@@ -15,7 +15,7 @@
         'views/coupon_program_views.xml',
         'report/coupon_report.xml',
         'report/coupon_report_templates.xml',
-        'data/coupon_email_data.xml',
+        'data/expire_coupon_cron.xml',
     ],
     'demo': [
         'demo/coupon_demo.xml',

addons/coupon/data/expire_coupon_cron.xml

@@ -0,0 +1,16 @@
+<?xml version="1.0" ?>
+<odoo>
+   <data noupdate="1">
+        <record id="expire_coupon_cron" model="ir.cron">
+            <field name="name">Coupon: expire coupon based on date</field>
+            <field name="model_id" ref="coupon.model_coupon_coupon"/>
+            <field name="state">code</field>
+            <field name="code">model.cron_expire_coupon()</field>
+            <field name="active" eval="True"/>
+            <field name="user_id" ref="base.user_root"/>
+            <field name="interval_number">1</field>
+            <field name="interval_type">days</field>
+            <field name="numbercall">-1</field>
+        </record>
+   </data>
+</odoo>

addons/coupon/models/coupon.py

@@ -49,18 +49,21 @@ class Coupon(models.Model):
         for coupon in self.filtered(lambda x: x.program_id.validity_duration > 0):
             coupon.expiration_date = (coupon.create_date + relativedelta(days=coupon.program_id.validity_duration)).date()
 
+    def _get_default_template(self):
+        return False
+
     def action_coupon_sent(self):
         """ Open a window to compose an email, with the edi invoice template
             message loaded by default
         """
         self.ensure_one()
-        template = self.env.ref('coupon.mail_template_sale_coupon', False)
+        default_template = self._get_default_template()
         compose_form = self.env.ref('mail.email_compose_message_wizard_form', False)
         ctx = dict(
             default_model='coupon.coupon',
             default_res_id=self.id,
-            default_use_template=bool(template),
-            default_template_id=template.id,
+            default_use_template=bool(default_template),
+            default_template_id=default_template and default_template.id,
             default_composition_mode='comment',
             custom_layout='mail.mail_notification_light',
             mark_coupon_as_sent=True,

addons/coupon/wizard/coupon_generate.py

@@ -17,6 +17,7 @@ class CouponGenerate(models.TransientModel):
         ], default='nbr_coupon')
     partners_domain = fields.Char(string="Customer", default='[]')
     has_partner_email = fields.Boolean(compute='_compute_has_partner_email')
+    template_id = fields.Many2one('mail.template', 'Use template', domain="[('model', '=', 'coupon.coupon')]")
 
     def generate_coupon(self):
         """Generates the number of coupons entered in wizard field nbr_coupons
@@ -34,10 +35,9 @@ class CouponGenerate(models.TransientModel):
                 vals.update({'partner_id': partner.id, 'state': 'sent' if partner.email else 'new'})
                 coupon = self.env['coupon.coupon'].create(vals)
                 subject = '%s, a coupon has been generated for you' % (partner.name)
-                template = self.env.ref('coupon.mail_template_sale_coupon', raise_if_not_found=False)
-                if template:
+                if self.template_id:
                     email_values = {'email_to': partner.email, 'email_from': self.env.user.email or '', 'subject': subject}
-                    template.send_mail(coupon.id, email_values=email_values, notif_layout='mail.mail_notification_light')
+                    self.template_id.send_mail(coupon.id, email_values=email_values, notif_layout='mail.mail_notification_light')
 
     @api.depends('partners_domain')
     def _compute_has_partner_email(self):

addons/coupon/wizard/coupon_generate_views.xml

@@ -10,6 +10,13 @@
                     <field name="generation_type" widget="radio"/>
                     <field name="partners_domain" attrs="{'invisible': [('generation_type', '!=', 'nbr_customer')]}" widget="domain" options="{'model': 'res.partner'}"/>
                     <field name="nbr_coupons" attrs="{'invisible': [('generation_type', '!=', 'nbr_coupon')]}"/>
+                    <field name="template_id"
+                        options="{'no_create': True, 'no_edit': True}"
+                        context="{'default_model': 'coupon.coupon'}"
+                        attrs="{'invisible': [('generation_type', '!=', 'nbr_customer')]}" />
+                    <div class="text-muted" attrs="{'invisible': [('generation_type', '!=', 'nbr_customer')]}">
+                        Specify a mail template to send the generated coupons as email.
+                    </div>
                 </group>
                 <div role="alert" class="alert alert-warning" attrs="{'invisible': ['|', ('generation_type', '!=', 'nbr_customer'), ('has_partner_email', '=', True)]}">
                     Some selected customers do not have an email address and will not receive the coupon.

addons/sale_coupon/__manifest__.py

@@ -8,6 +8,7 @@
     'version': '1.0',
     'depends': ['coupon', 'sale'],
     'data': [
+        'data/coupon_email_data.xml',
         'security/sale_coupon_security.xml',
         'security/ir.model.access.csv',
         'wizard/sale_coupon_apply_code_views.xml',

addons/sale_coupon/data/coupon_email_data.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" ?>
 <odoo>
    <data noupdate="1">
-      <record id="coupon.mail_template_sale_coupon" model="mail.template">
-         <field name="name">Coupon: Send by Email</field>
+      <record id="sale_coupon.mail_template_sale_coupon" model="mail.template">
+         <field name="name">[Sales] Coupon: Send by Email</field>
          <field name="model_id" ref="coupon.model_coupon_coupon"/>
          <field name="subject">Your reward coupon from ${object.program_id.company_id.name} </field>
          <field name="email_from">${object.program_id.company_id.email | safe}</field>
@@ -95,22 +95,10 @@
     </td></tr>
 </tbody></table>
             </field>
-            <field name="report_template" ref="report_coupon_code"/>
+            <field name="report_template" ref="coupon.report_coupon_code"/>
             <field name="report_name">Your Coupon Code</field>
             <field name="lang">${object.partner_id.lang}</field>
             <field name="auto_delete" eval="True"/>
       </record>
-
-        <record id="expire_coupon_cron" model="ir.cron">
-            <field name="name">Coupon: expire coupon based on date</field>
-            <field name="model_id" ref="coupon.model_coupon_coupon"/>
-            <field name="state">code</field>
-            <field name="code">model.cron_expire_coupon()</field>
-            <field name="active" eval="True"/>
-            <field name="user_id" ref="base.user_root"/>
-            <field name="interval_number">1</field>
-            <field name="interval_type">days</field>
-            <field name="numbercall">-1</field>
-        </record>
    </data>
 </odoo>

addons/sale_coupon/models/coupon.py

@@ -41,3 +41,8 @@ class Coupon(models.Model):
             if self.program_id not in applicable_programs and self.program_id.promo_applicability == 'on_current_order':
                 message = {'error': _('At least one of the required conditions is not met to get the reward!')}
         return message
+
+    def _get_default_template(self):
+        if self.order_id:
+            return self.env.ref('sale_coupon.mail_template_sale_coupon', False)
+        return super()._get_default_template()

addons/sale_coupon/models/sale_order.py

@@ -239,7 +239,7 @@ class SaleOrder(models.Model):
         return coupon
 
     def _send_reward_coupon_mail(self):
-        template = self.env.ref('coupon.mail_template_sale_coupon', raise_if_not_found=False)
+        template = self.env.ref('sale_coupon.mail_template_sale_coupon', raise_if_not_found=False)
         if template:
             for order in self:
                 for coupon in order.generated_coupon_ids: