feat: add promotional image support to notifications and expose thumbnails via API

controllers/main.py

@@ -26,7 +26,10 @@ class AppNotificationController(http.Controller):
     def fetch_notifications(self, **kw):
         """
         Endpoint for the Flutter app Background Task and In-App notification center.
+        Returns image_128 (base64 thumbnail) for list display.
+        The Flutter detail screen loads the full image via /web/image/ with session cookie.
         """
+        import base64 as b64mod
         user = request.env.user
         partner = user.partner_id
 
@@ -42,11 +45,20 @@ class AppNotificationController(http.Controller):
 
         notifications = request.env['mapan.app.notification'].sudo().search_read(
             domain,
-            ['id', 'title', 'body', 'create_date'],
+            ['id', 'title', 'body', 'create_date', 'image_128'],
             order='create_date desc',
             limit=50
         )
 
+        # Normalize image_128 bytes → base64 string for JSON transport
+        for notif in notifications:
+            img = notif.get('image_128')
+            if img and isinstance(img, bytes):
+                notif['image_128'] = b64mod.b64encode(img).decode('utf-8')
+            elif not img:
+                notif['image_128'] = None
+            notif['has_image'] = bool(notif['image_128'])
+
         return {
             'status': 'success',
             'data': notifications

models/app_notification.py

@@ -1,4 +1,4 @@
-from odoo import models, fields
+from odoo import models, fields, api
 
 class AppNotification(models.Model):
     _name = 'mapan.app.notification'
@@ -8,6 +8,22 @@ class AppNotification(models.Model):
     title = fields.Char(string='Notification Title', required=True)
     body = fields.Text(string='Notification Body', required=True)
 
+    # Optional promotional image — Odoo auto-generates image_128 thumbnail
+    image = fields.Image(
+        string='Notification Image',
+        max_width=1920,
+        max_height=1920,
+        help='Optional image shown in the notification detail screen.'
+    )
+    image_128 = fields.Image(
+        string='Thumbnail',
+        related='image',
+        max_width=128,
+        max_height=128,
+        store=True,
+        readonly=True,
+    )
+
     # If no partner_ids are selected, it is broadcast to everyone logically
     partner_ids = fields.Many2many(
         'res.partner',
@@ -21,6 +37,7 @@ class AppNotification(models.Model):
         store=True
     )
 
+    @api.depends('partner_ids')
     def _compute_is_global(self):
         for rec in self:
             rec.is_global = not bool(rec.partner_ids)

wizard/push_wizard.py

@@ -7,6 +7,12 @@ class PushNotificationWizard(models.TransientModel):
 
     title = fields.Char(string='Notification Title', required=True)
     body = fields.Text(string='Notification Body', required=True)
+    image = fields.Image(
+        string='Notification Image (optional)',
+        max_width=1920,
+        max_height=1920,
+        help='Upload a promotional image to display in the notification detail.'
+    )
     recipient_type = fields.Selection([
         ('all', 'All Activated Members'),
         ('specific', 'Specific Members')
@@ -26,6 +32,7 @@ class PushNotificationWizard(models.TransientModel):
             self.env['mapan.app.notification'].create({
                 'title': self.title,
                 'body': self.body,
+                'image': self.image,
             })
             target_msg = 'all activated app members'
         else:
@@ -33,6 +40,7 @@ class PushNotificationWizard(models.TransientModel):
             self.env['mapan.app.notification'].create({
                 'title': self.title,
                 'body': self.body,
+                'image': self.image,
                 'partner_ids': [(6, 0, self.partner_ids.ids)],
             })
             target_msg = f'{len(self.partner_ids)} selected member(s)'

wizard/push_wizard_views.xml

@@ -8,6 +8,8 @@
                 <group>
                     <field name="title"/>
                     <field name="body"/>
+                    <field name="image" widget="image" options="{'size': [0, 200]}"
+                           help="Optional promotional image (JPG/PNG). Displayed in the notification detail screen."/>
                     <field name="recipient_type" widget="radio" options="{'horizontal': true}"/>
                 </group>
                 <group string="Recipients" invisible="recipient_type != 'specific'">