risk.assessr (version 3.0.1)

get_cran_package_url: Get CRAN Package URL

Description

This function constructs the CRAN package URL for a specified package and version.

Usage

get_cran_package_url(package_name, version, last_version, all_versions)

Value

A character string containing the URL to download the package tarball, or "No valid URL found" if the version is not found in the list of available versions.

Arguments

package_name

A character string specifying the name of the package.

version

An optional character string specifying the version of the package. If `NULL`, the latest version is assumed.

last_version

A named list with elements version and date, representing the latest available version and its publication date.

all_versions

A list of named lists, each with elements version and date, representing all known versions of the package and their publication dates.

Examples

if (FALSE) {
# Example data structure
last_version <- list(version = "1.0.10", date = "2024-01-01")
all_versions <- list(
  list(version = "1.0.0", date = "2023-01-01"),
  list(version = "1.0.10", date = "2024-01-01")
)

# Get the URL for the latest version of "dplyr"
url <- get_cran_package_url("dplyr", NULL, last_version, all_versions)
print(url)
}