Download Daily 'GreenFeed' Data via 'API'

Downloads daily 'GreenFeed' data from the 'C-Lock Inc.' server via an 'API'. Retrieves data based on specified parameters (login, date range and units), and provides a CSV file with the 'GreenFeed' daily data.

Usage

get_gfdata(
  user,
  pass,
  exp = NA,
  unit,
  start_date,
  end_date = Sys.Date(),
  save_dir = tempdir()
)

Arguments

user

a character string representing the user name to logging into 'GreenFeed' system

pass

a character string representing password to logging into 'GreenFeed' system

exp

a character string representing study name or other study identifier. It is used as file name to save the data

unit

numeric or character vector, or a list representing one or more 'GreenFeed' unit numbers

start_date

a character string representing the start date of the study (format: "mm/dd/yyyy")

end_date

a character string representing the end date of the study (format: "mm/dd/yyyy")

save_dir

a character string representing the directory to save the output file

Value

A CSV file with daily 'GreenFeed' data in the specified directory

Examples

if (FALSE) { # has_credentials()
# Please replace "your_username" and "your_password" with your actual 'GreenFeed' credentials.
user <- Sys.getenv("API_USER")
pass <- Sys.getenv("API_PASS")
exp <- "StudyName"
start_date <- "2024-01-01"
end_date <- Sys.Date()
save_dir <- tempdir()

# Example with units as a vector
unit <- c(304, 305)
get_gfdata(user, pass, exp, unit, start_date, end_date, save_dir)
}