telegram alerts incorporated into user views

app/app/dao/notification/notification.py

@@ -83,10 +83,10 @@ def get_alerts_list(cur, appkey):
     WHERE
         app_key = %s
     AND
-        action_type = 'alert'
+        action_type LIKE 'alert_%%'
     """
     cur.execute(query, (appkey,))
-
+    
     return (True, cur.fetchall())
 
 

app/app/helpers/notification_manager.py

@@ -9,6 +9,8 @@ import app.helpers.misc as misc
 import app.dao.device.device as dd
 import app.helpers.device_data_model as ddm
 
+import app.helpers.telegram_sender as ts
+
 from binascii import unhexlify
 
 @thread
@@ -28,10 +30,14 @@ def listening():
                 dev = dd.get(d['appkey'], d['devid'])[1]
                 d['message']['data'] = ddm.read_data(unhexlify(d['message']['data'][2:]), dev[3])
                 if d['lvalue'] in d['message']['data'] and (d['op'][0] == 'O' or eval(str(d['message']['data'][d['lvalue']]) + d['op'] + d['rvalue'])):
-                    if d['action_type'] == 'alert':
+                    if d['action_type'] == 'alert_email':
                         # send mail
                         n = nf.get(d['appkey'], d['devid'], d['nfid'])[1]
                         mailer.send_mail(app, n, d)
+                    elif d['action_type'] == 'alert_telegram':
+                        # send telegram message
+                        n = nf.get(d['appkey'], d['devid'], d['nfid'])[1]
+                        ts.send_message(app, n, d)
                     elif d['action_type'] == 'automation':
                         # enqueue confid
                         # action format: '<devid>#<confid>#<arg>'

app/app/helpers/telegram_sender.py

+from flask import render_template
+
+import app.dao.application.application as ad
+
+import telegram
+
+
+def send(msg, chat_id, token):
+    bot = telegram.Bot(token=token)
+    bot.sendMessage(chat_id, text=msg, parse_mode=telegram.ParseMode.HTML)
+
+def send_message(app, alert, fired):
+    with app.app_context():
+        ap = ad.get(fired['appkey'])
+        context = {'alert':alert, 'username':ap[1][2], 'appname':ap[1][0], 'message':fired['message']}
+        msg = render_template('mailing/telegram_alert.html', **context)
+        send(msg, alert[6], app.config['TELEGRAM_BOT_TOKEN'])

app/app/templates/mailing/telegram_alert.html

+Hello {{ username }},
+
+The alert {{ alert[3] }} from your {{ appname }} application has been fired at {{ message['timedate'] }} with the next message: {{ message['data'] }}.
+Remember the condition of the alert was {{ alert[4] }}.
+
+Take care,
+HPC&A IoT Server

app/app/templates/new/public/alerts.html

@@ -29,7 +29,8 @@
 			<thead>
 				<th> Name </th>
 				<th> Condition </th>
-				<th> Email </th>
+				<th> Alert Type </th>
+				<th> Receiver </th>
 				<th> </th>
 			</thead>
 			<tbody>
@@ -37,6 +38,7 @@
 				<tr>
 					<th> {{ a[3] }} </th>
 					<th> {{ a[4] }} </th>
+					<th> {{ a[5].split('_')[1] }} </th>
 					<th> {{ a[6] }} </th>
 					<th> <a href="javascript:void(0)" onclick="return remove_alert('{{ a[0] }}', '{{ a[2] }}');"> <span class="fa fa-remove"</span> </a> </th>
 				</tr>

app/app/templates/new/public/new-alert.html

@@ -51,17 +51,25 @@
 	   		<p> Use n (e.g. 5) for integer notation, n.n (e.g. 5.0) for float, and true or false for boolean. <br>
 	   		Keep types consistently for each variable for both, alerts and automations. </p> 
 			-->
-		</form>
 
 			<br>
 			<h4> THEN </h4>
-			<h5> Send email to: </h5>
+			<h5> Select alert type: </h5>
 
-			<input class="form-control" type="email" form="alertform" id="alertemail" name="alertemail" placeholder="Type email..." required>
+			<select class='form-control notifelem' name='alerttype' id='alerttype' onchange="return onalerttype();" required>
+				<option selected="selected" value="email">Email</option>
+				<option value="telegram">Telegram Message</option>
+				<option value="sms">SMS Message</option>
+			</select>
+			<br>
+			
+			<input class="form-control" type="text" id="alertemail" name="alertemail" placeholder="Type email..." required>
+			<p id="hint"></p>
 			<br><br>
 			<div class="form-group">
-				<button type="submit" id="submit" form="alertform" class="btn btn-primary">Create Alert</button>
+				<button type="submit" id="submit" class="btn btn-primary">Create Alert</button>
 			</div>
+		</form>
 
             </div>
           </div>
@@ -110,5 +118,21 @@
 			input.setAttribute("required", "true");
 		}
 	}
+
+	function onalerttype() {
+		var dev_sel = document.getElementById("alerttype");
+		var sel_op = dev_sel.options[dev_sel.selectedIndex].text;
+		
+		var input = document.getElementById("alertemail");
+		$("#hint").text("");
+		if (sel_op[0] == "E") {
+			input.setAttribute("placeholder", "Type email...");
+		} else if (sel_op[0] == "T") {
+			input.setAttribute("placeholder", "Type chat id...");
+			$("#hint").text("Hint: send /start to @userinfobot bot.");
+		} else if (sel_op[0] == "S") {
+			input.setAttribute("placeholder", "Type telephone number...");
+		}
+	}
 </script>
 {% endblock %}

app/app/views.py

@@ -511,20 +511,20 @@ def application_new_alert(appkey):
         
         try:
             desc = dev[1][0]+'.'+request.form['varname']+' '+request.form['operation']+' '+request.form['avalue']
-            res = nfs.create(nid, appkey, request.form['devid'], request.form['alertname'], desc, 'alert', request.form['alertemail'])
+            res = nfs.create(nid, appkey, request.form['devid'], request.form['alertname'], desc, 'alert_'+request.form['alerttype'], request.form['alertemail'])
             if res[0]:
                 # create new function and trigger
-                t = tr.create_function_rt(appkey, request.form['devid'], nid, [request.form['varname'],request.form['operation'],request.form['avalue']],'alert',request.form['alertemail'])
+                t = tr.create_function_rt(appkey, request.form['devid'], nid, [request.form['varname'],request.form['operation'],request.form['avalue']],'alert_'+request.form['alerttype'], request.form['alertemail'])
                 t = tr.create(appkey, request.form['devid'], nid)
                 flash('Alert created', 'success')
-                app.logger.info('%s %s created alert %s - %s for application %s', session['alert'], session['name'], nid, desc, appkey)
+                app.logger.info('%s %s created alert %s - %s for application %s', session['role'], session['name'], nid, desc, appkey)
                 return redirect(url_for('application_alerts', appkey=appkey))
             else:
                 app.logger.error('%s %s failed to create alert for application %s - %s', session['role'], session['name'], appkey, res[1])
                 flash('Error creating new alert: {}'.format(res[1]), 'danger')
                 return redirect(request.url) 
         except Exception as e:
-            app.logger.error('%s %s failed to create alert for application %s - %s', session['role'], session['name'], appkey, e)
+            app.logger.error('%s %s failed to create alert for application %s - Exception: %s', session['role'], session['name'], appkey, e)
             flash('Error creating new alert: {}. Make sure you have filled all form fields.'.format(e), 'danger')
             return redirect(request.url) 
 

app/config.py

@@ -32,6 +32,8 @@ class Config(object):
     MAIL_PASSWORD = 'HPC&A10T.'
     MAIL_DEFAULT_SENDER = 'hpcaiotserver@gmail.com'
 
+    TELEGRAM_BOT_TOKEN = '1240239295:AAE-RLGTRmUxds_yzk5l5mtl-hLhOaC_-50'
+
     # in minutes
     FIRE_NOTIFICATIONS_INTERVAL = 1
 

app/requirements.txt

 APScheduler==3.6.3
 bcrypt==3.1.7
 blinker==1.4
+certifi==2020.6.20
 cffi==1.14.0
 click==7.1.1
+cryptography==2.9.2
+decorator==4.4.2
 Flask==1.1.2
 Flask-Mail==0.9.1
 itsdangerous==1.1.0
@@ -12,8 +15,10 @@ msgpack==1.0.0
 pgpubsub==0.0.5
 psycopg2==2.8.5
 pycparser==2.20
+python-telegram-bot==12.8
 pytz==2019.3
 six==1.14.0
+tornado==6.0.4
 tzlocal==2.0.0
 uWSGI==2.0.18
 Werkzeug==1.0.1