#' Create an initial portfolio_projects table in the psql database
#'
#' Create an initial portfolio_users data table in the psql database
#' @param portfolio_projects A dataframe with the columns portfolio_id, project_id
#' @param connection_object An open connection to adatabase (as created through \code{credentials_extract} and \code{credentials_connect} or \code{credentials_now}); if \code{NULL}, the function will try to create a \code{connection_object} by retrieving user information from the \code{credentials/credentials.yaml}
#' in or somewhere upwards of the working directory.
#' @return A "portfolio_projects" table added to PSQL database
#' @import DBI
#' @import dplyr
#' @import RPostgreSQL
#' @import dbplyr
#' @export
create_portfolio_projects_db <- function(portfolio_projects = NULL,
connection_object = NULL){
# If not connection object, try to find one
if(is.null(connection_object)){
message(paste0('No connection_object provided. Will try ',
'to find a credentials file.'))
# Get credentials
the_credentials <- credentials_extract()
# Establish the connection
connection_object <- credentials_connect(the_credentials)
}
# If not table supplied, create one based on database
if(is.null(portfolio_projects)){
as_portfolio <- get_data(query = "SELECT * FROM portfolio.as_portfolio")
portfolio_projects <- as_portfolio %>%
dplyr::select(primary_business_line_code, project_id) %>%
dplyr::rename(portfolio_name = primary_business_line_code) %>%
mutate(portfolio_id = as.integer(factor(portfolio_name))) %>%
group_by(portfolio_id, project_id) %>%
tally %>%
ungroup %>%
dplyr::select(-n)
}
# Upload it to the database
copy_to(connection_object,
portfolio_projects,
dbplyr::in_schema("portfolio", "portfolio_projects"),
temporary = FALSE,
overwrite = TRUE)
}
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