From f49df12b441a2bd06520df42ddd41fc42f639147 Mon Sep 17 00:00:00 2001
From: Sebastian <sebasjm@gmail.com>
Date: Wed, 24 Nov 2021 17:38:39 -0300
Subject: restore and save session

---
 .../anastasis-webui/src/components/FlieButton.tsx  | 57 ++++++++++++++++++++++
 .../src/components/menu/SideBar.tsx                | 28 +++++++++++
 2 files changed, 85 insertions(+)
 create mode 100644 packages/anastasis-webui/src/components/FlieButton.tsx

(limited to 'packages/anastasis-webui/src/components')

diff --git a/packages/anastasis-webui/src/components/FlieButton.tsx b/packages/anastasis-webui/src/components/FlieButton.tsx
new file mode 100644
index 000000000..aab0b6170
--- /dev/null
+++ b/packages/anastasis-webui/src/components/FlieButton.tsx
@@ -0,0 +1,57 @@
+import { h, VNode } from "preact";
+import { useRef, useState } from "preact/hooks";
+
+const MAX_IMAGE_UPLOAD_SIZE = 1024 * 1024;
+
+export interface FileTypeContent {
+  content: string;
+  type: string;
+  name: string;
+}
+
+interface Props {
+  label: string;
+  onChange: (v: FileTypeContent | undefined) => void;
+}
+export function FileButton(props: Props): VNode {
+  const fileInputRef = useRef<HTMLInputElement>(null);
+  const [sizeError, setSizeError] = useState(false);
+  return (
+    <div>
+      <button class="button" onClick={(e) => fileInputRef.current?.click()}>
+        <span>{props.label}</span>
+      </button>
+      <input
+        ref={fileInputRef}
+        style={{ display: "none" }}
+        type="file"
+        onChange={(e) => {
+          const f: FileList | null = e.currentTarget.files;
+          if (!f || f.length != 1) {
+            return props.onChange(undefined);
+          }
+          console.log(f);
+          if (f[0].size > MAX_IMAGE_UPLOAD_SIZE) {
+            setSizeError(true);
+            return props.onChange(undefined);
+          }
+          setSizeError(false);
+          return f[0].arrayBuffer().then((b) => {
+            const content = new Uint8Array(b).reduce(
+              (data, byte) => data + String.fromCharCode(byte),
+              "",
+            );
+            return props.onChange({
+              content,
+              name: f[0].name,
+              type: f[0].type,
+            });
+          });
+        }}
+      />
+      {sizeError && (
+        <p class="help is-danger">File should be smaller than 1 MB</p>
+      )}
+    </div>
+  );
+}
diff --git a/packages/anastasis-webui/src/components/menu/SideBar.tsx b/packages/anastasis-webui/src/components/menu/SideBar.tsx
index c73369dd6..6c8189fb9 100644
--- a/packages/anastasis-webui/src/components/menu/SideBar.tsx
+++ b/packages/anastasis-webui/src/components/menu/SideBar.tsx
@@ -36,6 +36,14 @@ export function Sidebar({ mobile }: Props): VNode {
   const process = { env: { __VERSION__: "0.0.0" } };
   const reducer = useAnastasisContext()!;
 
+  function saveSession(): void {
+    const state = reducer.exportState();
+    const link = document.createElement("a");
+    link.download = "anastasis.json";
+    link.href = `data:text/plain,${state}`;
+    link.click();
+  }
+
   return (
     <aside class="aside is-placed-left is-expanded">
       {/* {mobile && <div class="footer" onClick={(e) => { return e.stopImmediatePropagation() }}>
@@ -171,6 +179,16 @@ export function Sidebar({ mobile }: Props): VNode {
                 <span class="menu-item-label"><Translate>Truth Paying</Translate></span>
               </div>
             </li> */}
+              <li>
+                <div class="buttons ml-4">
+                  <button
+                    class="button is-primary is-right"
+                    onClick={saveSession}
+                  >
+                    Save backup session
+                  </button>
+                </div>
+              </li>
             </Fragment>
           ) : (
             reducer.currentReducerState &&
@@ -250,6 +268,16 @@ export function Sidebar({ mobile }: Props): VNode {
                     </span>
                   </div>
                 </li>
+                <li>
+                  <div class="buttons ml-4">
+                    <button
+                      class="button is-primary is-right"
+                      onClick={saveSession}
+                    >
+                      Save recovery session
+                    </button>
+                  </div>
+                </li>
               </Fragment>
             )
           )}
-- 
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