Water the dry plant over my phone

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As Kirstin I want to give water to the dry plant over my phone to feel at home when I am on a business trip.

AC The water pump starts when I initiate the watering event over my phone.

Constraints

• Due to the slow response time of the Arduino Webserver, we avoid a direct access on that web server over the phone
• Use a MySQL database

UAT

• [x] When the plant is dry I can see some kind of button on my screen to water the plant
• [x] After I pushed the button, I receive an information, that my action was noticed by the system and that the plant is thankful
• [x] The button to initiate the watering event is only active when the plant is actually dry
• [x] When I hit the button on the screen the watering action reliably takes place
• [x] Before the watering event, which is initiated on the phone starts, a moisture measurement is performed to avoid overwatering by accident
• [x] After I hit the button to initiate the watering event on the phone, I see the lovely green background screen, to have the feeling, that I have done everything right, even if the soil is not fully moist immediately

Sprint Planning 2

• [x] show a button on the index page, whenever the soil is considered dry or urgently dry
• [x] when I hit the button a database entry is made to store that the user wants to water the plant
• [x] Show a green screen and a message that indicates that the action was accepted
• [x] Receive an Message if the action was not accepted due to any reason
• [x] leave the color of the background as it was if an error occurred
• [x] Let the Arduino call the last database entry to see if someone wants to water the plant
• [x] If yes, that start the normal watering action, which also means to check if the soil is moist already
• [x] After the watering event was performed write into the MySQL Database that the watering event took place
• [x] try this over and over again if you cannot connect to the web server without stopping the rest of the program to work, if you couldn't access the database at the first try
• [x] Whenever the soil is moist and the last database entry indicates that someone wanted to water the plant override the database entry to let the status of the database always match the moisture status of the soil
• [x] The button on the screen only should appear when there is no database entry that indicates the initiation of a watering event

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• [x] Avoid memory leakage on the Arduino, maybe by using flash memory

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• [x] Distinguish between test calls and production calls in the "call_initiation.php"

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• [x] Increase the watering time

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• [x] Try out to use RedFly.connect and RedFly.disconnect

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88

If you initiate the watering manually over the website make clear, that the watering event was only initiated and that it did not took place.

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I assume that bots are watering my plant To prevent random bots to water my plant I need to find a user friendly solution to make watering over the app human again.

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I don't see this issue as urgent anymore.

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Consider #96