[IMP] mail_drop_target: Raise a warning when the file has already been imported

mail_drop_target/models/mail_thread.py

@@ -11,6 +11,30 @@ from odoo import _, api, exceptions, models
 class MailThread(models.AbstractModel):
     _inherit = 'mail.thread'
 
+    @api.model
+    def message_drop(self, model, message, custom_values=None,
+                     save_original=False, strip_attachments=False,
+                     thread_id=None):
+        result = self.message_process(
+            model, message, custom_values=custom_values,
+            save_original=save_original, strip_attachments=strip_attachments,
+            thread_id=thread_id
+        )
+        if not result:
+            return self.message_drop_existing(
+                model, message, custom_values=custom_values,
+                save_original=save_original,
+                strip_attachments=strip_attachments, thread_id=thread_id
+            )
+        return result
+
+    @api.model
+    def message_drop_existing(self, model, message,
+                              custom_values=None, save_original=False,
+                              strip_attachments=False, thread_id=None):
+        message = _("This message is already imported.")
+        raise exceptions.Warning(message)
+
     @api.model
     def message_process_msg(
             self, model, message, custom_values=None, save_original=False,
@@ -28,12 +52,13 @@ class MailThread(models.AbstractModel):
             message_msg._getStream('__substg1.0_10130102') or message_msg.body,
             email_cc=message_msg.cc,
             headers={'date': message_msg.date},
+            message_id=message_msg.message_id,
             attachments=[
                 (attachment.longFilename, attachment.data)
                 for attachment in message_msg.attachments
             ],
         )
-        return self.message_process(
+        return self.message_drop(
             model, message_email.as_string(), custom_values=custom_values,
             save_original=save_original, strip_attachments=strip_attachments,
             thread_id=thread_id,

mail_drop_target/static/src/js/mail_drop_target.js

@@ -2,8 +2,8 @@
 // Copyright 2018 Therp BV <https://therp.nl>
 // License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
 
-odoo.define('mail_drop_target', function(require)
+odoo.define('mail_drop_target', function (require) {
-{
+    "use strict";
     var Chatter = require('mail.Chatter');
     var web_drop_target = require('web_drop_target');
 
@@ -14,9 +14,9 @@ odoo.define('mail_drop_target', function(require)
         _get_drop_item: function (e) {
             var dataTransfer = e.originalEvent.dataTransfer;
             if (
-                dataTransfer.items.length == 1 &&
+                dataTransfer.items.length === 1 &&
-                dataTransfer.items[0].type == '' &&
+                dataTransfer.items[0].type === '' &&
-                dataTransfer.items[0].kind == 'file'
+                dataTransfer.items[0].kind === 'file'
             ) {
                 // this might be an outlook msg file
                 return dataTransfer.items[0];
@@ -53,9 +53,9 @@ odoo.define('mail_drop_target', function(require)
                     new Uint8Array(reader.result)
                 );
             } else {
-                mail_processor = 'message_process';
+                mail_processor = 'message_drop';
                 var reader_array = new Uint8Array(reader.result);
-                data = ""
+                data = "";
                 for (var i = 0; i < reader_array.length; i++) {
                     data += String.fromCharCode(parseInt(reader_array[i]));
                 }
@@ -68,11 +68,10 @@ odoo.define('mail_drop_target', function(require)
                 args: [this.record.model, data],
                 kwargs: {
                     thread_id: this.record.data.id,
-                }
+                },
-            })
+            }).then(function() {
-            .then(function() {
                 self.trigger_up('reload', {});
             });
-        }
+        },
     });
 });

mail_drop_target/tests/test_mail_drop_target.py

@@ -1,5 +1,5 @@
 from odoo.tests.common import TransactionCase
-from odoo import addons, exceptions, tools
+from odoo import exceptions, tools
 from mock import patch
 import base64
 
@@ -21,6 +21,9 @@ class TestMailDropTarget(TransactionCase):
             self.partner._name, message, thread_id=self.partner.id)
         self.partner.refresh()
         self.assertEqual(comments+1, len(self.partner.message_ids))
+        with self.assertRaises(exceptions.Warning):
+            self.partner.message_drop(
+                self.partner._name, message, thread_id=self.partner.id)
 
     def test_msg(self):
         message = base64.b64encode(tools.file_open(
@@ -33,10 +36,13 @@ class TestMailDropTarget(TransactionCase):
             self.partner._name, message, thread_id=self.partner.id)
         self.partner.refresh()
         self.assertEqual(comments+1, len(self.partner.message_ids))
+        with self.assertRaises(exceptions.Warning):
+            self.partner.message_process_msg(
+                self.partner._name, message, thread_id=self.partner.id)
 
     def test_no_msgextract(self):
-        with self.assertRaises(exceptions.UserError), patch.object(
+        with self.assertRaises(exceptions.UserError), patch(
-                addons.mail_drop_target.models.mail_thread, 'Message',
+            'odoo.addons.mail_drop_target.models.mail_thread.Message',
-                __nonzero__=lambda x: False,
+            new=False,
         ):
             self.test_msg()