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#' Get EnrichrDB geneset and geneset_name
#' Geneset is a data.frame of 2 columns with term id and gene id
#'
#' @param org Organism from 'human','fly','yeast','worm','zebrafish'.
#' @param library Choose one library name from `enrichr_metadata`.
#' @param download.method "auto" (as default if NULL), "wininet" (for windows)
#' @param data_dir data saving location, default is the package data directory
#' @importFrom dplyr %>% filter pull
#'
#' @return A list including geneset and geneset name.
#' @export
#' @examples
#' x = getEnrichrdb(org = "human", library = "COVID-19_Related_Gene_Sets",
#' data_dir = tempdir())
getEnrichrdb <- function(org = c('human','fly','yeast','worm','zebrafish'),
library = NULL,
download.method = NULL,
data_dir = NULL) {
#--- args ---#
# org <- match.arg(org)
if(is.null(library)) stop('Please choose gene set library from: `enrichr_metadata`')
org <- map_enrichrdb_org(org)
libs <- geneset::enrichr_metadata %>% dplyr::filter(organism %in% org) %>%
dplyr::pull(library)
if(! library %in% libs) stop('Please choose gene set library from: `enrichr_metadata`')
if(is.null(data_dir)){
data_dir <- tools::R_user_dir("geneset", which = "data")
}
sub_dir <- "/anno/enrichrdb/"
data_dir <- paste0(data_dir, sub_dir)
make_dir(data_dir)
#--- download ---#
res <- list()
for(i in c("geneset")){
# i = 'geneset'
url <- paste0(web.url(),sub_dir, org,"/",library,"_",i,".fst")
destfile <- paste0(data_dir, "/", org, "_",library,"_",i,".fst")
web_f_size <- check_web_size(url)
local_f_size <- file.size(destfile)
if(is.na(local_f_size)) local_f_size = 0
geneset_download(url, destfile, method = download.method,
data_dir, web_f_size, local_f_size)
res[[i]] = suppressWarnings(fst::read.fst(destfile))
}
res[['geneset_name']] <- NA
#--- add org for other use ---#
ensOrg_name <- ensOrg_name_data()
rm(ensOrg_name, envir = .genesetEnv)
add_org <- ensOrg_name %>%
dplyr::filter(tolower(common_name) %in% org) %>%
dplyr::pull(latin_short_name)
if(length(add_org)==0) add_org = NA
res$organism <- add_org
res$type <- 'enrichrdb'
invisible(res)
}
utils::globalVariables(c("enrichr_metadata","organism","latin_short_name","ensOrg_name"))
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