# .onLoad <- function(libname, pkgname) {
# impl.prefix <- 'ftest'
# ## This package serves as an "abstract implementation" to a FacileDb database.
# ## The packages that implement access to a FacileWareHouse should define
# ## the following options:
# ##
# ## - *.datapath
# ## - *.dbpath
# ## - *.covdef
# ## - *.cachedir
# ##
# ## Since this FacileRepo package should not be tied to a specific FacileRepo
# ## "implementation", we set the impl.prefex to be "ftest". This means that
# ## this setup will create (or reuse) the following global options
# ##
# ## - ftest.datapath
# ## - ftest.dbpath
# ## - ftest.covdef
# ## - ftest.cachedir
#
# ## Default database this will point to is configured so everything works
# ## when this package is loaded (deployed) on rescomp
# ## TODO: Update this database path to a test db instead of Atezo
#
# ## Until we create a test database and distribute within the package, I'm
# ## affraid we can't avoid explicity defining the *.datapath. This is because
# ## the unit tests are run in a "clean" (R --vanilla) environment which doesn't
# ## load the stuff in your .Rprofile
# ## dpath <- system.file('extdata', 'test', package='FacileData')
# if (dir.exists('/gne')) {
# dpath <- '/gne/home/lianogls/workspace/data/facile/test'
# } else {
# dpath <- '~/workspace/data/facile/test'
# }
# db.name <- 'TcgaDb-test.sqlite'
# dpath <- getOption(sprintf('%s.datapath', impl.prefix), dpath)
#
# pkg.opts <- list(
# datapath=dpath,
# dbpath=file.path(dpath, db.name),
# cachedir=file.path(dpath, 'cache'),
# covdef=file.path(dpath, 'sample-meta-definitions.yaml'))
# names(pkg.opts) <- sprintf('%s.%s', impl.prefix, names(pkg.opts))
#
# ## We only set these options if they aren't already set in the global options
# ## The developers should set the appropriate options in the ~/.Rprofile
# opts <- options()
# toset <- !(names(pkg.opts) %in% names(opts))
# if (any(toset)) {
# options(pkg.opts[toset])
# }
#
# ## Check options
# db.path <- getOption(paste0(impl.prefix, '.dbpath'))
# if (!file.exists(db.path)) {
# msg <- paste0(
# "Default path to faciledb is not a valid file: ", db.path, "\n",
# "Set options('facile.datapath') before loading the facilewarehouse ",
# "package to a valid path to the SQLite database to skip this message.\n",
# "A good place to do this for your local work is in your ~/.Rprofile")
# ## warning(msg, immediate.=TRUE)
# }
#
# invisible()
# }
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