weatherforecast

Prerequisites

• .Net Framework version 7.0

How to build, run and test

Build

in the terminal go to ~/cli/WeatherForecast.CLI/ directory and run below command

dotnet build

Run the app

Running the app with following command will give the help screen with options.

dotnet run

Options

Short form	Long form	Description
-d	--days	Required. Number of days to get data for
-l	--latitude	Required. GPS Latitude
-L	--longitude	Required. GPS Longitude

sample usage

dotnet run -d 2 -l 52.52 -L 13.41

sample successful message

Getting Weather Forecast summary for 2 day/s at Latitude: 52.52 and Longitude: 13.41
Successfully exported Weather Forecast to the file: ./output/weatherExport_20230502.json

Exported JSON file & Logs

• The output file will be stored under ~/cli/WeatherForecast.CLI/output directory
• Log files will be stored under ~/cli/logs directory

Test Plan / Requirements

• Latitude is required
• Longitude is required
• Latitude should be a floating point number between -90 and +90
• Longitude should be a floating point number between -180 and +180
• Should return formatted data on success
• Should return forecast for the specified number of days
• Should calculate lowest and highest temperatures, snowfall correctly
• Should calculate temperatures in Fahrenheit correctly
• Should have the correct naming convention for the JSON file
• Should fail with correct error message on internal server error
• Should return appropriate error message on bad request

Assumptions

• Number of days (d) are required and must be between 1 and 16 ( 1<= d <= 16)
• Total snowfall for a day is equal to the sum of preceding hour forecast.

Formulas

formula to convert temperature from Celcius to Fahrenheit

(0°C × 1.8) + 32 = 32°F