mostly working templating for landing page

web.py

@@ -1,35 +1,71 @@
 from db_connect import DatabaseConnect
 
 from flask import Flask, abort, session
-from jinja2 import Template
+from jinja2 import FileSystemLoader, Template
 import plotly.express as px
 from plotly.subplots import make_subplots
 import plotly.graph_objects as go
 
 import logging
 from os import sep
+import datetime
+
+import templating
 
 app = Flask(__name__)
 db = DatabaseConnect()
 
+Flask.jinja_options["loader"] = FileSystemLoader("web")
+env = app.create_jinja_environment()
+
+DISPLAYEDTYPES = 2
+TDLATE = datetime.timedelta(hours=8)
+
+# before and after
+TYPEUNITS = [
+    "°C",
+    "%"
+]
+
 @app.route("/")
 def index():
-    avail_rooms = db.view_valid_rooms(1)
-    outtext = "<h1>Available rooms</h1><ul>"
-    if len(avail_rooms) == 0:
-        outtext += "<li>You have no rooms you can view</li>"
-    else:
-        for room in avail_rooms:
-            outtext += f"<li><a href=/room/{room[1]}>{room[0]}</li>"
-    outtext += "</ul>"
-    return outtext
+    # no user handling yet so we get user of ID 1 (not logged in)
+    active_user = 1
+    #populate userinfo
+    user_info = templating.UserInfo(id=active_user, name=db.username_from_id(active_user)[0])
+
+    rooms_info = []
+    for room in db.view_valid_rooms(active_user):
+        sensor_info = []
+        sensors_avail = db.get_sensors_in_room_id(room[2])
+        for i in range(DISPLAYEDTYPES):
+            sensors_with_type = [x for x in sensors_avail if x[1] == i]
+            # TODO: handle more than one sensor in one room
+            if sensors_with_type:
+                reading = db.get_sensorsinfo_by_sensorid(sensors_with_type[0][0])
+                if reading is None:
+                    sensor_info.append(templating.SensorInfo(2,None, None, ""))
+                    continue
+                reading = templating.SensorInfo(1 if reading.timestamp + TDLATE < datetime.datetime.now() else 0, 
+                                                reading.type, 
+                                                reading.timestamp, 
+                                                f"{reading.reading}{TYPEUNITS[i]}")
+                sensor_info.append(reading)
+            else:
+                sensor_info.append(templating.SensorInfo(2,None, None, ""))
+        rooms_info.append(templating.RoomInfo(room[0], room[1], sensor_info))
+
+    out_html = templating.LandingPage(env, user_info,rooms_info)
+    return out_html.render()
+    
+
 
 @app.route('/room/<room_name>')
 def room_page(room_name=None):
     if not db.user_has_room_perms(1,room_name):
         abort(403)
 
-    sensor_list = db.get_sensors_in_room(room_name)
+    sensor_list = db.get_sensors_in_room_shortname(room_name)
     fig = make_subplots(rows=1, cols=len(sensor_list))
     for idx, sensorID in enumerate(sensor_list):
         lst = [x for x in db.get_sensor_data(sensorID)]
@@ -47,4 +83,7 @@ def room_page(room_name=None):
     px_jinja_data = {"fig":fig.to_html(full_html=False)}
     with open(template_path,'r') as template_file:
         j2_template = Template(template_file.read())
-    return j2_template.render(px_jinja_data)
+    return j2_template.render(px_jinja_data)
+
+if __name__ == "__main__":
+    app.run(debug=True)