From 30c5666b15f5b3a7941eed930cd5a2342ca72d7f Mon Sep 17 00:00:00 2001
From: Sharla Gelfand <sharla.gelfand@gmail.com>
Date: Fri, 12 Jul 2019 16:54:55 -0400
Subject: [PATCH] Add support for geojson

---
 DESCRIPTION       |  3 ++-
 R/ckan_fetch.R    | 12 ++++++++++++
 R/zzz.R           |  2 +-
 codemeta.json     | 12 ++++++++++++
 man/ckan_fetch.Rd |  6 ++++++
 5 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/DESCRIPTION b/DESCRIPTION
index 0d3d8cc..35fe749 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -43,7 +43,8 @@ Suggests:
     readxl,
     testthat,
     xml2,
-    lazyeval
+    lazyeval,
+    geojsonio
 RoxygenNote: 6.1.1
 X-schema.org-keywords: database, open-data, ckan, api, data, dataset
 X-schema.org-applicationCategory: Data Access
diff --git a/R/ckan_fetch.R b/R/ckan_fetch.R
index 11da9c1..00242d7 100644
--- a/R/ckan_fetch.R
+++ b/R/ckan_fetch.R
@@ -50,6 +50,12 @@
 #' x <- ckan_fetch(res$url)
 #' class(x)
 #' plot(x)
+#'
+#' GeoJSON file - requires geojsonio package
+#' ckanr_setup("http://open.canada.ca/data/en")
+#' res <- resource_show(id = "1502d5ec-0af2-4e2f-8fa7-1e90a43f356a", as = "table")
+#' ckan_fetch(res$url)
+#'
 #' }
 ckan_fetch <- function(x, store = "session", path = "file", format = NULL, ...) {
   store <- match.arg(store, c("session", "disk"))
@@ -90,6 +96,12 @@ read_session <- function(fmt, dat, path) {
          shp = {
            check4X("sf")
            sf::st_read(path)
+         },
+         geojson = {
+           check4X("geojsonio")
+           geojsonio::geojson_read(path,
+                                   method = "local",
+                                   parse = TRUE)
          }
   )
 }
diff --git a/R/zzz.R b/R/zzz.R
index 42e62ab..05e29a3 100644
--- a/R/zzz.R
+++ b/R/zzz.R
@@ -67,7 +67,7 @@ fetch_GET <- function(x, store, path, args = NULL, format = NULL, ...) {
   fmt <- ifelse(identical(file_fmt, character(0)), format, file_fmt)
   fmt <- tolower(fmt)
   if (store == "session") {
-    if (fmt %in% c("xls", "xlsx")) {
+    if (fmt %in% c("xls", "xlsx", "geojson")) {
       dat <- NULL
       path <- paste0(path, ".", fmt)
       res <- GET(x, query = args, write_disk(path, TRUE), config = proxy, ...)
diff --git a/codemeta.json b/codemeta.json
index 18bdae5..ce3c334 100644
--- a/codemeta.json
+++ b/codemeta.json
@@ -139,6 +139,18 @@
         "url": "https://cran.r-project.org"
       },
       "sameAs": "https://CRAN.R-project.org/package=lazyeval"
+    },
+    {
+      "@type": "SoftwareApplication",
+      "identifier": "geojsonio",
+      "name": "geojsonio",
+      "provider": {
+        "@id": "https://cran.r-project.org",
+        "@type": "Organization",
+        "name": "Comprehensive R Archive Network (CRAN)",
+        "url": "https://cran.r-project.org"
+      },
+      "sameAs": "https://CRAN.R-project.org/package=geojsonio"
     }
   ],
   "softwareRequirements": [
diff --git a/man/ckan_fetch.Rd b/man/ckan_fetch.Rd
index a6608b6..6756dd4 100644
--- a/man/ckan_fetch.Rd
+++ b/man/ckan_fetch.Rd
@@ -64,5 +64,11 @@ res <- resource_show(id = "6cbb0aa3-a8d1-421c-9c40-14c6f05e0c73", as = "table")
 x <- ckan_fetch(res$url)
 class(x)
 plot(x)
+
+GeoJSON file - requires geojsonio package
+ckanr_setup("http://open.canada.ca/data/en")
+res <- resource_show(id = "1502d5ec-0af2-4e2f-8fa7-1e90a43f356a", as = "table")
+ckan_fetch(res$url)
+
 }
 }