S allius/issue393 (#403)

* display proxy version on dashboard

* add MQTT page

* styles adjusted on the different pages

- use same colors
- add bordered shadow to all cards and tables

* fix unit tests

* migrate the conn table to a general table

- rename the template file
- get headline from table description

* remove footer from index page

* make version string translateable

* cleanup

* remove stripped table rows

* add mqtt info table

* translate mqtt page

* don't fetch notes list for the log-page

* fix Mqtt init call for unit tests

* add mqtt-fetch test

* check received counter in unit test

app/src/web/mqtt_table.py

@@ -0,0 +1,58 @@
+from inverter_base import InverterBase
+from quart import render_template
+from quart_babel import format_datetime, _
+from mqtt import Mqtt
+
+from . import web
+
+
+def _get_row(inv: InverterBase):
+    '''build one row for the connection table'''
+    entity_prfx = inv.entity_prfx
+    inv_serial = inv.local.stream.inv_serial
+    node_id = inv.local.stream.node_id
+    sug_area = inv.local.stream.sug_area
+
+    row = []
+    row.append(inv_serial)
+    row.append(entity_prfx+node_id)
+    row.append(sug_area)
+    return row
+
+
+def get_table_data():
+    '''build the connection table'''
+    table = {
+        "headline": _('MQTT devices'),
+        "col_classes": [
+            "",
+            "",
+            "",
+        ],
+        "thead": [[
+            _("Serial-No"),
+            _('Node-ID'),
+            _('HA-Area'),
+        ]],
+        "tbody": []
+    }
+    for inverter in InverterBase:
+        table['tbody'].append(_get_row(inverter))
+
+    return table
+
+
+@web.route('/mqtt-fetch')
+async def mqtt_fetch():
+    mqtt = Mqtt(None)
+    ctime = format_datetime(dt=mqtt.ctime, format='short')
+    data = {
+        "update-time": format_datetime(format="medium"),
+        "mqtt-ctime": f"<h3>{ctime}</h3>",
+        "mqtt-tx": f"<h3>{mqtt.published}</h3>",
+        "mqtt-rx": f"<h3>{mqtt.received}</h3>",
+    }
+    data["mqtt-table"] = await render_template('templ_table.html.j2',
+                                               table=get_table_data())
+
+    return data