@@ -0,0 +1,1 @@
+OWM_API_KEY=29d3c09e105b332ba224939672820be2

@@ -1,1 +1,3 @@
 __pycache__
+records.db*
+.env

@@ -0,0 +1,19 @@
+from dotenv import load_dotenv
+from os import getenv
+import requests
+load_dotenv()
+
+OWM_API_KEY = getenv("OWM_API_KEY", None)
+
+assert OWM_API_KEY is not None
+api_url = "http://api.openweathermap.org/data/2.5/air_pollution?appid=" + OWM_API_KEY + "&lon={}&lat={}"
+
+
+def get_aqi_owm(latitude: float, longitude: float):
+    try:
+        response = requests.get(api_url.format(longitude, latitude))
+        weather_data = response.json()
+        return weather_data['list'][0]['main']['aqi']
+    except Exception as e:
+        print("Exception:", e)
+    return None

@@ -1,2 +1,81 @@
-from peewee import Model, CharField, TextField, IntegerField, DateTimeField, DoesNotExist
-from playhouse.sqliteq import SqliteQueueDatabase+from peewee import Model, IntegerField, DateTimeField, DoesNotExist, FloatField, BooleanField
+from playhouse.sqliteq import SqliteQueueDatabase
+from backend_iot.api import get_aqi_owm
+from datetime import datetime, timedelta
+
+db = SqliteQueueDatabase("records.db")
+api_interval = timedelta(minutes=3)
+lat_threshold = 0.03
+lon_threshold = 0.03
+
+class BaseModel(Model):
+    class Meta:
+        database = db
+
+class Record(BaseModel):
+    timestamp = DateTimeField(default=datetime.now)
+    latitude = FloatField()
+    longitude = FloatField()
+    aqi = IntegerField()
+    t_in = FloatField()
+    t_out = FloatField()
+    t_setpoint = FloatField()
+    fan_speed = IntegerField()
+    power = BooleanField()
+    auto = BooleanField()
+    co_in = FloatField()
+    co_out = FloatField()
+    no2_in = FloatField()
+    pm10_out = FloatField()
+    airflow = IntegerField()
+    aq_in = IntegerField()
+
+class AQI(BaseModel):
+    timestamp = DateTimeField(default=datetime.now)
+    value = IntegerField()
+
+def set_aqi(value: int):
+    try:
+        AQI.delete().execute()
+    except DoesNotExist:
+        pass
+    return AQI.create(value=value)
+
+def get_aqi_from_cache(latitude, longitude):
+    try:
+        temp = AQI.select().order_by(AQI.timestamp.desc()).get()
+    except DoesNotExist:
+        return None
+    
+    if temp.latitude - latitude > lat_threshold:
+        return None
+    
+    if temp.longitude - longitude > lon_threshold:
+        return None
+    
+    delta = datetime.now() - temp.timestamp
+    if delta > api_interval:
+        return None
+    
+    return temp
+
+def get_aqi(latitude, longitude):
+    aqi = get_aqi_from_cache(latitude, longitude)
+
+    if aqi is not None:
+        return aqi.value
+    
+    return get_aqi_owm(latitude, longitude)
+
+db.connect()
+db.create_tables([Record])
+
+def getLatestRecord():
+    #User.select().order_by(User.id.desc()).get()
+    try:
+        return Record.select().order_by(Record.timestamp.desc()).get()
+    except DoesNotExist:
+        return None
+
+def addRecord(**info):
+    Record.create(**info)

@@ -1,6 +1,49 @@
 from backend_iot import app
-from flask import request, redirect, render_template
+from backend_iot.db import getLatestRecord, addRecord
+from backend_iot.api import get_aqi
+from flask import request, redirect, render_template, abort
+from datetime import datetime
+
+def update_record(record):
+    record["latitude"] = current_latitude
+    record["longitude"] = current_longitude
+    record["timestamp"] = datetime.now()
+
+current_latitude = 30.3
+current_longitude = 40.4
+
+def latest_or_abort():
+    latest = getLatestRecord()
+    if latest is None:
+        return abort(400)
+    return latest
 
 @app.route("/")
 def index_route():
-    return { "hello": "world" }
+    if request.method == 'GET':
+        return latest_or_abort()
+    
+    form = request.form
+    update_record(form)
+    addRecord(**form)
+
+editable_fields = ["t_target", "power", "fan_speed", "auto", "airflow"]
+
+@app.route("/data", methods = ['GET', 'POST'])
+def data_route():
+
+    if request.method == "GET":
+        return latest_or_abort()
+    
+    latest = getLatestRecord()
+    form = request.form
+
+    for key in form.keys():
+        if key not in latest.keys():
+            continue
+        if key == "fan_speed" and latest["auto"]:
+            continue
+        latest[key] = form[key]
+
+    update_record(latest)
+    addRecord(**latest)

@@ -12,6 +12,101 @@ {file = "blinker-1.6.2.tar.gz", hash = "sha256:4afd3de66ef3a9f8067559fb7a1cbe555c17dcbe15971b05d1b625c3e7abe213"},
 ]
 
 [[package]]
+name = "certifi"
+version = "2023.7.22"
+description = "Python package for providing Mozilla's CA Bundle."
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "certifi-2023.7.22-py3-none-any.whl", hash = "sha256:92d6037539857d8206b8f6ae472e8b77db8058fec5937a1ef3f54304089edbb9"},
+    {file = "certifi-2023.7.22.tar.gz", hash = "sha256:539cc1d13202e33ca466e88b2807e29f4c13049d6d87031a3c110744495cb082"},
+]
+
+[[package]]
+name = "charset-normalizer"
+version = "3.2.0"
+description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
+optional = false
+python-versions = ">=3.7.0"
+files = [
+    {file = "charset-normalizer-3.2.0.tar.gz", hash = "sha256:3bb3d25a8e6c0aedd251753a79ae98a093c7e7b471faa3aa9a93a81431987ace"},
+    {file = "charset_normalizer-3.2.0-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:0b87549028f680ca955556e3bd57013ab47474c3124dc069faa0b6545b6c9710"},
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+    {file = "charset_normalizer-3.2.0-cp39-cp39-musllinux_1_1_i686.whl", hash = "sha256:f7560358a6811e52e9c4d142d497f1a6e10103d3a6881f18d04dbce3729c0e2c"},
+    {file = "charset_normalizer-3.2.0-cp39-cp39-musllinux_1_1_ppc64le.whl", hash = "sha256:c8063cf17b19661471ecbdb3df1c84f24ad2e389e326ccaf89e3fb2484d8dd7e"},
+    {file = "charset_normalizer-3.2.0-cp39-cp39-musllinux_1_1_s390x.whl", hash = "sha256:cd6dbe0238f7743d0efe563ab46294f54f9bc8f4b9bcf57c3c666cc5bc9d1299"},
+    {file = "charset_normalizer-3.2.0-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:1249cbbf3d3b04902ff081ffbb33ce3377fa6e4c7356f759f3cd076cc138d020"},
+    {file = "charset_normalizer-3.2.0-cp39-cp39-win32.whl", hash = "sha256:6c409c0deba34f147f77efaa67b8e4bb83d2f11c8806405f76397ae5b8c0d1c9"},
+    {file = "charset_normalizer-3.2.0-cp39-cp39-win_amd64.whl", hash = "sha256:7095f6fbfaa55defb6b733cfeb14efaae7a29f0b59d8cf213be4e7ca0b857b80"},
+    {file = "charset_normalizer-3.2.0-py3-none-any.whl", hash = "sha256:8e098148dd37b4ce3baca71fb394c81dc5d9c7728c95df695d2dca218edf40e6"},
+]
+
+[[package]]
 name = "click"
 version = "8.1.7"
 description = "Composable command line interface toolkit"
@@ -57,6 +152,17 @@
 [package.extras]
 async = ["asgiref (>=3.2)"]
 dotenv = ["python-dotenv"]
+
+[[package]]
+name = "idna"
+version = "3.4"
+description = "Internationalized Domain Names in Applications (IDNA)"
+optional = false
+python-versions = ">=3.5"
+files = [
+    {file = "idna-3.4-py3-none-any.whl", hash = "sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2"},
+    {file = "idna-3.4.tar.gz", hash = "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4"},
+]
 
 [[package]]
 name = "itsdangerous"
@@ -156,6 +262,58 @@ {file = "peewee-3.16.3.tar.gz", hash = "sha256:12b30e931193bc37b11f7c2ac646e3f67125a8b1a543ad6ab37ad124c8df7d16"},
 ]
 
 [[package]]
+name = "python-dotenv"
+version = "1.0.0"
+description = "Read key-value pairs from a .env file and set them as environment variables"
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "python-dotenv-1.0.0.tar.gz", hash = "sha256:a8df96034aae6d2d50a4ebe8216326c61c3eb64836776504fcca410e5937a3ba"},
+    {file = "python_dotenv-1.0.0-py3-none-any.whl", hash = "sha256:f5971a9226b701070a4bf2c38c89e5a3f0d64de8debda981d1db98583009122a"},
+]
+
+[package.extras]
+cli = ["click (>=5.0)"]
+
+[[package]]
+name = "requests"
+version = "2.31.0"
+description = "Python HTTP for Humans."
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "requests-2.31.0-py3-none-any.whl", hash = "sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f"},
+    {file = "requests-2.31.0.tar.gz", hash = "sha256:942c5a758f98d790eaed1a29cb6eefc7ffb0d1cf7af05c3d2791656dbd6ad1e1"},
+]
+
+[package.dependencies]
+certifi = ">=2017.4.17"
+charset-normalizer = ">=2,<4"
+idna = ">=2.5,<4"
+urllib3 = ">=1.21.1,<3"
+
+[package.extras]
+socks = ["PySocks (>=1.5.6,!=1.5.7)"]
+use-chardet-on-py3 = ["chardet (>=3.0.2,<6)"]
+
+[[package]]
+name = "urllib3"
+version = "2.0.5"
+description = "HTTP library with thread-safe connection pooling, file post, and more."
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "urllib3-2.0.5-py3-none-any.whl", hash = "sha256:ef16afa8ba34a1f989db38e1dbbe0c302e4289a47856990d0682e374563ce35e"},
+    {file = "urllib3-2.0.5.tar.gz", hash = "sha256:13abf37382ea2ce6fb744d4dad67838eec857c9f4f57009891805e0b5e123594"},
+]
+
+[package.extras]
+brotli = ["brotli (>=1.0.9)", "brotlicffi (>=0.8.0)"]
+secure = ["certifi", "cryptography (>=1.9)", "idna (>=2.0.0)", "pyopenssl (>=17.1.0)", "urllib3-secure-extra"]
+socks = ["pysocks (>=1.5.6,!=1.5.7,<2.0)"]
+zstd = ["zstandard (>=0.18.0)"]
+
+[[package]]
 name = "waitress"
 version = "2.1.2"
 description = "Waitress WSGI server"
@@ -190,4 +348,4 @@
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.11"
-content-hash = "04ad92fa90d7c60b15921252fd5aa4479c7dd087ee5b94280ff0ee18165608c2"
+content-hash = "3e4f4bdd12941b06c94eb9d9a47719339b790bc31075b2f4da68bdb64e42e3e3"

@@ -9,6 +9,8 @@ [tool.poetry.dependencies]
 python = "^3.11"
 flask = "^2.3.3"
 peewee = "^3.16.3"
+requests = "^2.31.0"
+python-dotenv = "^1.0.0"
 
 
 [tool.poetry.group.prod.dependencies]