The code defines a function named "data" that takes an...

March 29, 2023 at 09:21 AM

public func data(valuesPerHour: Int) throws -> [MeteoData] { let data = try file.fetchData() var steps = data.count / 8760 steps = valuesPerHour / steps let half = steps / 2 steps -= 1 if steps > 1 { let wrapped = [data.last!] + data + [data.first!] let interpolated = wrapped.interpolate(steps: steps) return interpolated.dropFirst(half).dropLast(half+1) } return data }

The code defines a function named "data" that takes an integer parameter "valuesPerHour", and returns an array of "MeteoData" objects.

The function tries to fetch data from a file, throws an error if unsuccessful, and assigns it to a constant variable named "data".

It calculates the number of steps needed to interpolate the data based on the input parameter "valuesPerHour" and the length of the data.

Then, it performs some calculations to prepare for interpolation. If there are more than one step, it creates a new array by wrapping the last and first elements of the original array around the ends, and then interpolates the data using the "interpolate" function with the number of steps calculated. It drops the first half and last half + 1 elements of the interpolated array and then returns it.

If the number of steps is less than or equal to 1, it simply returns the original data.

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