createFetchParamsFunction {dbWebForms}

Based on the columns in a table, produces a R function that returns a data.table of HTTP parameters extracted from a list of HTPP params. You can create such a list easily using serverUtils::paramList.

Description

Based on the columns in a table, produces a R function that returns a data.table of HTTP parameters extracted from a list of HTPP params. You can create such a list easily using serverUtils::paramList.

Usage

createFetchParamsFunction(
  filepath,
  function_name,
  x,
  id_col,
  type_col,
  exclude = c()
)

Arguments

filepath

A string, the file path including the name and file type extension where the output will be written.

function_name

A string, the name of the function to be written to the file path.

x

A data.table, should have a column of input ids (used for input names as well), and a column of HTML input types.

id_col

A string, the column of x containing the HTML input ids.

type_col

A string, the column of x containing the HTML input types.

exclude

A character vector, ids included here will not be included as parameters for the resultant function.

Value

A data.table, the HTML input type and attributes likely associated with the SQL data type.

Examples

createFetchParamsFunction(
filepath = paste0(tempdir(), "/", "testHTMLFormFunction.R"),
function_name = "fetch_example_function",
x = as.data.table(
list(
ids = c("user_id", "user_name", "first_name", "last_name", "state"),
types = c("number", "text", "text", "text", "text")
)
),
id_col = "ids",
type_col = "types",
exclude = c("user_id")
)