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