adds device generation and connection

- fingerprint generated first time device connects
- saved to database and served to device
- connection status set to true, once device requests first package
- user can link device via online form

docker/calendarwatch/Dockerfile

@@ -2,8 +2,7 @@ FROM python:3.8-slim-buster
 RUN apt-get update && apt-get upgrade
 RUN pip3 install flask Flask-SQLAlchemy flask_migrate flask_login flask_wtf python-dotenv
 RUN apt-get install gcc libpcre3 libpcre3-dev libmariadbclient-dev -y
-RUN pip3 install uwsgi
-RUN pip3 install email-validator
+RUN pip3 install uwsgi email-validator random-word
 RUN pip3 install google google-oauth google-auth-oauthlib google-api-python-client mysqlclient
 COPY docker-entrypoint.sh /usr/local/bin/
 EXPOSE 8084

server/forms.py

@@ -1,7 +1,7 @@
 from flask_wtf import FlaskForm
 from wtforms import StringField, PasswordField, BooleanField, SubmitField
 from wtforms.validators import DataRequired, ValidationError, Email, EqualTo
-from database.models import User
+from database.models import User, Device
 import email_validator
 
 class LoginForm(FlaskForm):
@@ -31,3 +31,8 @@ class RegistrationForm(FlaskForm):
 class DeviceForm(FlaskForm):
     deviceName=StringField('New Device ID', validators=[DataRequired()])
     submit = SubmitField('Add New Device')
+
+    def validate_deviceName (self, deviceName):
+        device = Device.query.filter_by(deviceName=deviceName.data).first()
+        if device is None:
+            raise ValidationError('Device not Found')

server/routes.py

@@ -1,7 +1,6 @@
 # Python standard libraries
 import json
 import os
-import sqlite3
 
 # Third-party libraries
 import flask
@@ -14,6 +13,7 @@ from flask_login import (
     login_user,
     logout_user,
 )
+from random_word import RandomWords
 import requests
 
 import server.googleHandler as google
@@ -64,14 +64,10 @@ def devices():
     # TODO add this device to the user - do not create new device
     form = DeviceForm()
     if form.validate_on_submit():
-        print(form.deviceName.data, flush=True)
-        device = Device()
-        device.deviceName = form.deviceName.data
-        device.connection = False
-        db.session.add(device)
+        device = db.session.query(Device).filter(Device.deviceName==form.deviceName.data).first()
         current_user.devices.append(device)
-        # TODO add device to database here
-        db.session.commit()  
+        db.session.commit()
+
     return flask.render_template('devices.html', 
             devices=current_user.devices,
             form=form)
@@ -187,17 +183,21 @@ def credentials_to_dict(credentials):
           'scopes': credentials.scopes}
 
 
-@app.route("/userinfo/<path:device>/calendarevents.json")
+@app.route("/device/<path:device>/calendarevents.json")
 def downloader(device):
-    path = "/home/calendarwatch/userinfo/" + device + "/"
-    # return flask.send_from_directory(path, "calendarevents.json")
-    request_user = db.session.query(User).filter(User.userid==device).first()
-    print(device, flush=True)
-    if request_user == None: 
+    path = "/home/calendarwatch/device/" + device + "/"
+    # TODO change search for device (also in tizen)
+    request_device = db.session.query(Device).filter(Device.deviceName==device).first()
+    if request_device == None: 
+        return jsonify(kind="not found")
+    if request_device.user_id == None: 
         return jsonify(kind="unregistered")
 
+    request_device.connection=True
+    db.session.commit()
+    request_user = db.session.query(User).filter(User.id==request_device.user_id).first()
+
     routine = Routine()
-    
     client_token = google.GC.build_credentials(request_user.google_token.token,
                                                 request_user.google_token.refresh_token)
     calendarjson = routine.updateCalendar(request_user, client_token) 
@@ -206,10 +206,28 @@ def downloader(device):
 @app.route("/devicefingerprint.json")
 def generateDeviceFingerprint():
     # Create Three Random Words
-    # check not in Device Database
-    # Save as new Device
-    # Send to User
-    return jsonify(deviceName="Carrot-Enamel-Storm")
+    r = RandomWords()
+    while True:
+        fingerprint = ""
+        length = 3
+        randos = r.get_random_words(limit=length, hasDictionaryDef="true",
+                           includePartOfSpeech="noun", minDictionaryCount=1,
+                           maxDictionaryCount=10, minLength=5, maxLength=10)
+        for i in range(len(randos)):
+            fingerprint += randos[i] 
+            if i < length-1:
+                fingerprint += "-"
+
+        # check not in Device Database
+        if not db.session.query(Device).filter(Device.deviceName==fingerprint).first():
+            # Save as new Device
+            device = Device(deviceName=fingerprint, connection=False)
+            db.session.add(device)
+            db.session.commit()
+            break;
+        
+    # Send to Device
+    return jsonify(deviceName=fingerprint)
 
 # POST
 
@@ -221,7 +239,6 @@ def user():
         color = request.json.get('color', None)
         toggle = request.json.get('toggle', None)
         
-        print(request.json, flush=True)
         if color != None:
             current_user.updateCalendar(calId, color=color)
         if toggle != None:

server/template/devices.html

@@ -37,6 +37,9 @@
         <div style="width: 7rem; margin: 1rem">{{ form.deviceName.label }}</div>
         <div style="width: 12rem; margin: 1rem">{{ form.deviceName(size=24) }}</div>
         <div style="with: 7rem; margin: 1rem">{{ form.submit() }}</div>
+        {% for error in form.deviceName.errors %}
+        <span style="color: red;">[{{ error }}]</span>
+        {% endfor %}
     </div> 
     </form>