Initial commit

__init__.py

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+# -*- coding: utf-8 -*-
+import controllers
+import models

__openerp__.py

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+{
+    'name' : 'Check mail immediately',
+    'version' : '0.1',
+    'author' : 'Ivan Yelizariev',
+    'category' : 'Base',
+    'website' : 'https://yelizariev.github.io',
+    'depends' : ['base', 'web', 'fetchmail', 'mail'],
+    'data': [
+        'views.xml',
+        ],
+    'qweb': [
+        "static/src/xml/main.xml",
+    ],
+    'installable': True
+}

models.py

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+# -*- coding: utf-8 -*-
+import psycopg2
+
+from openerp.tools.safe_eval import safe_eval
+from openerp import models, fields, api
+
+
+class FetchMailServer(models.Model):
+    _inherit = 'fetchmail.server'
+    _name = 'fetchmail.server'
+
+    _last_updated = None
+
+    run_time = fields.Datetime(string="Launch time", compute='_run_time')
+
+    @classmethod
+    def _update_time(cls):
+        cls._last_updated = fields.Datetime.now()
+
+    @api.one
+    def _run_time(self):
+        self.run_time = self._last_updated
+
+    @api.model
+    def _fetch_mails(self):
+        super(FetchMailServer, self)._fetch_mails()
+        self._update_time()
+
+
+class FetchMailImmediately(models.Model):
+
+    _name = 'fetch_mail.imm'
+
+    @api.model
+    def run_fetchmail_manually(self):
+
+        fetchmail_task = self.env['ir.cron'].search([['model', '=', 'fetchmail.server']])
+        fetchmail_task_id = fetchmail_task.id
+        fetchmail_model = self.env['fetchmail.server']
+        cr = self.env.cr
+
+        try:
+            # Try to grab an exclusive lock on the job row
+            # until the end of the transaction
+            cr.execute(
+                """SELECT *
+                   FROM ir_cron
+                   WHERE id=%s
+                   FOR UPDATE NOWAIT""",
+                (fetchmail_task_id,), log_exceptions=False)
+
+            # Got the lock on the job row, run its code
+
+            fetchmail_model._fetch_mails()
+
+        except psycopg2.OperationalError as e:
+            # User friendly error if the lock could not be claimed
+            if e.pgcode == '55P03':
+                raise orm.except_orm(
+                    _('Error'),
+                    _('Another process/thread is already busy '
+                      'executing this job'))
+            raise

static/src/js/main.js

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+openerp.mail_check_immediately = function(instance, local) {
+
+    instance.mail.Wall.include({
+        start: function() {
+            var _this = this;
+
+            this._super();
+            this.get_last_update_time();
+            this.get_time_loop()
+        },
+
+        events: {
+          'click a.oe_fetch_new_mails': function(){
+              this.get_fetchmail_obj();
+          }
+        },
+
+        get_fetchmail_obj: function(){
+            var model = new instance.web.Model('fetch_mail.imm');
+            var _this = this;
+
+            model.call('run_fetchmail_manually', {context: new instance.web.CompoundContext()}).then(function(){
+                _this.get_last_update_time()
+            })
+        },
+
+        get_last_update_time: function(){
+           var _this = this;
+           var fetchmail = new instance.web.Model('fetchmail.server');
+
+           fetchmail.query(['run_time']).all().then(function(res){
+                    _this.$el.find('span.oe_view_manager_fetch_mail_imm_field').html(res[0].run_time);
+                })
+        },
+
+        get_time_loop: function(){
+            var _this = this;
+            setInterval(function(){
+                _this.get_last_update_time()
+            }, 30000)
+
+        }
+    });
+};

static/src/xml/main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<templates>
+    <t t-name="fetch_mail_immediately.header">
+        <tr class="oe_header_row">
+            <td t-att-colspan="colspan or '3'">
+                <div class="oe_view_manager_fetch_mail_imm">
+                    <span>Last</span>
+                    <a href="#" class="oe_fetch_new_mails"
+                            name="get_fetchmail_obj" type="object">update:</a>
+                    <span class="oe_view_manager_fetch_mail_imm_field">N</span><span> min ago</span>
+                </div>
+            </td>
+            <td></td>
+        </tr>
+    </t>
+    <t t-extend="mail.wall">
+        <t t-jquery="tr.oe_header_row_top" t-operation="after">
+            <t t-call="fetch_mail_immediately.header">
+                <t t-set="colspan" t-value="2"/>
+            </t>
+        </t>
+    </t>
+</templates>

views.xml

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+<openerp>
+    <data>
+        <template id="assets_backend_inherited_check_mail" name="Check mail immediately bar" inherit_id="web.assets_backend">
+            <xpath expr="." position="inside">
+                <script type="text/javascript" src="/mail_check_immediately/static/src/js/main.js"></script>
+            </xpath>
+        </template>
+    </data>
+</openerp>