Return a POSIXct timestamp instead of a non-standard locale dependent date

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: osmdata
 Title: Import 'OpenStreetMap' Data as Simple Features or Spatial Objects
-Version: 0.3.0.9025
+Version: 0.3.0.9026
 Authors@R: c(
     person("Joan", "Maspons", , "joanmaspons@gmail.com", role = c("aut", "cre"),
            comment = c(ORCID = "0000-0003-2286-8727")),

NEWS.md

@@ -4,6 +4,7 @@
 ## Breaking changes
 
 - `getbb()` throws a warning instead of an error for empty results and return the (empty) result with the expected type according to `format_out` parameter (#394).
+- Timestamp in metadata has a POSIXct time. Before it was character with a non-standard locale dependent date format (#416).
 
 ## Major changes
 

R/get-osmdata.R

@@ -4,7 +4,7 @@ timestamp_fmt_iso8601 <- "%Y-%m-%dT%H:%M:%SZ" # ISO 8601. Z indicates tz = "UTC"
 #'
 #' @param doc OSM XML document. If missing, `Sys.time()` is used.
 #'
-#' @return An R timestamp object
+#' @return A POSIXct timestamp
 #'
 #' @note This defines the timestamp format for \pkg{osmdata} objects, which
 #' includes months as text to ensure umambiguous timestamps
@@ -28,10 +28,7 @@ get_timestamp <- function (doc) {
         tstmp <- Sys.time ()
     }
 
-    ## TODO: avoid a non-standard date string, return a POSIXct value
-    out <- paste ("[", format (tstmp, format = "%a %e %b %Y %T"), "]")
-    out <- gsub ("  ", " ", out) # remove extra space in %e for single digit days
-    out <- gsub ("\\.", "\\\\.", out) # Escape dots
+    tstmp
 }
 
 

tests/testthat/test-osmdata.R

@@ -284,6 +284,10 @@ test_that ("make_query", {
             })
         )
         expect_equal (doc, doc2)
+        timestamp <- as.POSIXct (
+            xml2::xml_attr (xml2::xml_child (doc, "meta"), attr = "osm_base"),
+            tz = "UTC"
+        )
 
 
         res <- with_mock_dir ("mock_osm_sp", {
@@ -293,11 +297,14 @@ test_that ("make_query", {
         expect_silent (
             expect_warning (res <- osmdata_sp (qry, doc), "Deprecated")
         )
+        expect_identical (res$meta$timestamp, timestamp)
         expect_message (print (res), "Object of class 'osmdata' with")
         expect_silent (expect_warning (res <- osmdata_sp (qry, "junk.osm"), "Deprecated"))
+        expect_identical (res$meta$timestamp, timestamp)
         expect_message (
             expect_warning (res <- osmdata_sp (qry, "junk.osm", quiet = FALSE), "Deprecated")
         )
+        expect_identical (res$meta$timestamp, timestamp)
 
         expect_s3_class (res, "osmdata")
         nms <- c (
@@ -309,14 +316,18 @@ test_that ("make_query", {
         nms <- c ("timestamp", "OSM_version", "overpass_version")
         expect_named (res$meta, expected = nms)
 
+
         res <- with_mock_dir ("mock_osm_sf", {
             osmdata_sf (qry)
         })
+        expect_identical (res$meta$timestamp, timestamp)
         expect_message (print (res), "Object of class 'osmdata' with")
         expect_silent (res <- osmdata_sf (qry, doc))
+        expect_identical (res$meta$timestamp, timestamp)
         expect_message (print (res), "Object of class 'osmdata' with")
         expect_silent (res <- osmdata_sf (qry, "junk.osm"))
         expect_message (res <- osmdata_sf (qry, "junk.osm", quiet = FALSE))
+        expect_identical (res$meta$timestamp, timestamp)
         expect_s3_class (res, "osmdata")
         nms <- c (
             "bbox", "overpass_call", "meta", "osm_points",
@@ -325,14 +336,18 @@ test_that ("make_query", {
         )
         expect_named (res, expected = nms, ignore.order = FALSE)
 
+
         res <- with_mock_dir ("mock_osm_df", {
             osmdata_data_frame (qry)
         })
         expect_s3_class (res, "data.frame")
+        expect_identical (attr (res, "meta")$timestamp, timestamp)
         expect_silent (res <- osmdata_data_frame (qry, doc))
         expect_s3_class (res, "data.frame")
+        expect_identical (attr (res, "meta")$timestamp, timestamp)
         expect_silent (res <- osmdata_data_frame (qry, "junk.osm"))
         expect_message (res <- osmdata_data_frame (qry, "junk.osm", quiet = FALSE))
+        expect_identical (attr (res, "meta")$timestamp, timestamp)
 
         nms <- c (
             "names", "row.names", "class", "bbox", "overpass_call", "meta"