projektarbeit_duelger_waldhauser_caliskan/software/backend/data_functions.py

"""
created by caliskan at 19.04.2023

This file contains all functions, which handle the different cases.
Every function should return json format with the wanted data from the database
"""
import paho.mqtt.client as mqtt
from plantdatabase import PlantDataBase
from software.defines import Topics, MAX_PLANT_COUNT
import json
import uuid


# Robot Channel Reactions

def data_sensordata(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase,
                    order_handler: list):
    print("message received")
    # TODO: Store data in database
    str_in = str(message.payload.decode("UTF-8"))
    payload = json.loads(str_in)
    print("Received data: ", json.dumps(payload))

    order_handler.remove(payload['ActionID'])

    mydatabase.insert_measurement_data(plant_id=payload['PlantID'],
                                       sensordata_temp=payload['AirTemperature'],
                                       sensordata_humidity=payload['AirHumidity'],
                                       sensordata_soil_moisture=payload['SoilMoisture'],
                                       sensordata_brightness=payload['Brightness'])


def data_position(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    # TODO: Forward to frontend in json format
    client.publish(Topics['BACKEND_DATA_POSITION'], message.payload.decode("utf-8"))


def data_battery(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    # TODO: Forward to frontend in json format
    client.publish(Topics['BACKEND_DATA_BATTERY'], message.payload.decode("utf-8"))


# FrontEnd Channel Reactions

def action_drive(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase,
                 order_handler: list):
    # TODO: ROBOT READY CHECK
    if len(order_handler) < 5:
        order_handler.append(uuid.uuid4())
    else:
        # TODO: What to do when no place in order_list left
        pass
    client.publish(Topics['ROBOT_ACTION_DRIVE'], message.payload.decode("utf-8"))


def action_driveall(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    # TODO: Implement here
    pass


def action_getposition(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    client.publish(Topics['ROBOT_ACTION_GETPOSITION'])


def action_getbattery(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    client.publish(Topics['ROBOT_ACTION_GETBATTERY'])


def action_getalldata(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    plant_names = json.loads(message.payload.decode("UTF-8"))
    print(plant_names)
    alldata = []
    for i in plant_names:
        alldata.append(mydatabase.get_latest_data(plant_name=i))
    client.publish(Topics['BACKEND_DATA_SENSORDATAALL'], json.dumps(alldata))


def action_newplant(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    plant_data = json.loads(message.payload.decode("UTF-8"))
    mydatabase.insert_plant(plantname=plant_data["PlantName"], plant_id=plant_data["PlantID"])
    mydatabase.insert_measurement_data(plant_id=plant_data["PlantID"],
                                       sensordata_temp=plant_data["AirTemperature"],
                                       sensordata_humidity=plant_data["AirHumidity"],
                                       sensordata_soil_moisture=plant_data["SoilMoisture"],
                                       sensordata_brightness=plant_data["Brightness"])
    print("BACKEND_ACTION_NEWPLANT RECEIVED DATA: " + str(plant_data))


def action_configureplant(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    plant_data = json.loads(message.payload.decode("UTF-8"))
    mydatabase.configure_plant(plant_id=plant_data["plant_ID"], plantname=plant_data["PlantName"])
    mydatabase.insert_measurement_data(plant_id=plant_data["PlantID"],
                                       sensordata_temp=plant_data["AirTemperature"],
                                       sensordata_humidity=plant_data["AirHumidity"],
                                       sensordata_soil_moisture=plant_data["SoilMoisture"],
                                       sensordata_brightness=plant_data["Brightness"])
    print("BACKEND_ACTION_CONFIGUREPLANT RECEIVED DATA: " + str(plant_data))


def action_deleteplant(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    delete_plant = json.loads(message.payload.decode("UTF-8"))
    mydatabase.delete_plant(plant_id=delete_plant["PlantID"])
    print("BACKEND_ACTION_DELETEPLANT RECEIVED DATA: " + str(delete_plant))


def action_countplants(client: mqtt.Client, userdata, message: mqtt.MQTTMessage, mydatabase: PlantDataBase):
    count_payload = {
        "CurrentCount": mydatabase.plant_count(),
        "MaxCount": MAX_PLANT_COUNT
    }
    print(type(json.dumps(count_payload)))
    client.publish(Topics["BACKEND_ACTION_PLANTCOUNT"], json.dumps(count_payload))