Merge pull request #293 from browngraphicslab/exif

Exif

1 files changed, 31 insertions, 0 deletions

diff --git a/src/client/util/Import & Export/ImageUtils.ts b/src/client/util/Import & Export/ImageUtils.ts
new file mode 100644
index 000000000..c9abf38fa
--- /dev/null
+++ b/src/client/util/Import & Export/ImageUtils.ts
@@ -0,0 +1,31 @@
+import { Doc, DocListCast, DocListCastAsync, Opt } from "../../../new_fields/Doc";
+import { ImageField } from "../../../new_fields/URLField";
+import { Cast, StrCast } from "../../../new_fields/Types";
+import { RouteStore } from "../../../server/RouteStore";
+import { Docs } from "../../documents/Documents";
+import { Identified } from "../../Network";
+import { Id } from "../../../new_fields/FieldSymbols";
+import { Utils } from "../../../Utils";
+
+export namespace ImageUtils {
+
+    export const ExtractExif = async (document: Doc): Promise<boolean> => {
+        const field = Cast(document.data, ImageField);
+        if (!field) {
+            return false;
+        }
+        const source = field.url.href;
+        const response = await Identified.PostToServer(RouteStore.inspectImage, { source });
+        const { error, data } = response.exifData;
+        document.exif = error || Docs.Get.DocumentHierarchyFromJson(data);
+        return data !== undefined;
+    };
+
+    export const ExportHierarchyToFileSystem = async (collection: Doc): Promise<void> => {
+        const a = document.createElement("a");
+        a.href = Utils.prepend(`${RouteStore.imageHierarchyExport}/${collection[Id]}`);
+        a.download = `Dash Export [${StrCast(collection.title)}].zip`;
+        a.click();
+    };
+
+}
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