studyTypes_data = tryCatch({
res <- read.csv(system.file("apps/brapi/data/studyTypes.csv", package = "brapiTS"),
stringsAsFactors = FALSE)
}, error = function(e) {
NULL
}
)
studyTypes_list = function(page = 0, pageSize = 100){
if(is.null(studyTypes_data)) return(NULL)
# paging here after filtering
pg = paging(studyTypes_data, page, pageSize)
studyTypes_data <- studyTypes_data[pg$recStart:pg$recEnd, ]
n = nrow(studyTypes_data)
out = list(n)
for(i in 1:n){
out[[i]] <- as.list(studyTypes_data[i, ])
#out[[i]]$datatypes = list(safe_split(out[[i]]$datatypes, ";"))
#out[[i]]$methods = list(safe_split(out[[i]]$methods, ";"))
}
attr(out, "pagination") = pg$pagination
out
}
studyTypes = list(
metadata = list(
pagination = list(
pageSize = 10,
currentPage = 0,
totalCount = nrow(studyTypes_data),
totalPages = 1
),
status = list(),
datafiles = list()
),
result = list(data = studyTypes_list())
)
process_studyTypes <- function(req, res, err){
prms <- names(req$params)
page = ifelse('page' %in% prms, as.integer(req$params$page), 0)
pageSize = ifelse('pageSize' %in% prms, as.integer(req$params$pageSize), 100)
studyTypes$result$data = studyTypes_list(page, pageSize)
studyTypes$metadata$pagination = attr(studyTypes$result$data, "pagination")
if(is.null(studyTypes$result$data)){
res$set_status(404)
studyTypes$metadata <- brapi_status(100, "No matching results!")
}
res$set_header("Access-Control-Allow-Methods", "GET")
res$json(studyTypes)
}
mw_studytypes <<-
collector() %>%
get("/brapi/v1/studyTypes[/]?", function(req, res, err){
process_studyTypes(req, res, err)
}) %>%
put("/brapi/v1/studyTypes[/]?", function(req, res, err){
res$set_status(405)
}) %>%
post("/brapi/v1/studyTypes[/]?", function(req, res, err){
res$set_status(405)
}) %>%
delete("/brapi/v1/studyTypes[/]?", function(req, res, err){
res$set_status(405)
})
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