From c7a4110cbbfd7e17808a7de19e6f69d1360a14ee Mon Sep 17 00:00:00 2001
From: Tom Hacohen <tom@stosb.com>
Date: Fri, 4 Sep 2020 17:01:22 +0300
Subject: [PATCH] Invitations: implement viewing, accepting and rejecting
 invitations.

---
 src/App.tsx                        |   6 ++
 src/Collections/CollectionList.tsx |   8 ++
 src/Collections/Invitations.tsx    | 136 +++++++++++++++++++++++++++++
 src/Collections/Main.tsx           |   6 ++
 4 files changed, 156 insertions(+)
 create mode 100644 src/Collections/Invitations.tsx

diff --git a/src/App.tsx b/src/App.tsx
index 07a03df..2562edc 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -81,6 +81,12 @@ export const routeResolver = new RouteResolver({
       members: {
       },
     },
+    invitations: {
+      incoming: {
+      },
+      outgoing: {
+      },
+    },
     new: "new",
     import: "import",
   },
diff --git a/src/Collections/CollectionList.tsx b/src/Collections/CollectionList.tsx
index 775fa60..fbcfc36 100644
--- a/src/Collections/CollectionList.tsx
+++ b/src/Collections/CollectionList.tsx
@@ -7,6 +7,7 @@ import { Link, useHistory } from "react-router-dom";
 
 import IconButton from "@material-ui/core/IconButton";
 import IconAdd from "@material-ui/icons/Add";
+import IconInvitation from "@material-ui/icons/MailOutline";
 import ContactsIcon from "@material-ui/icons/Contacts";
 import CalendarTodayIcon from "@material-ui/icons/CalendarToday";
 import FormatListBulletedIcon from "@material-ui/icons/FormatListBulleted";
@@ -56,6 +57,13 @@ export default function CollectionList(props: PropsType) {
   return (
     <Container>
       <AppBarOverride title="Collections">
+        <IconButton
+          component={Link}
+          title="Invitations"
+          {...{ to: routeResolver.getRoute("collections.invitations") }}
+        >
+          <IconInvitation />
+        </IconButton>
         <IconButton
           component={Link}
           title="New"
diff --git a/src/Collections/Invitations.tsx b/src/Collections/Invitations.tsx
new file mode 100644
index 0000000..81d1805
--- /dev/null
+++ b/src/Collections/Invitations.tsx
@@ -0,0 +1,136 @@
+// SPDX-FileCopyrightText: © 2020 EteSync Authors
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import * as React from "react";
+import { Switch, Route, Redirect } from "react-router";
+
+import * as Etebase from "etebase";
+
+import { useCredentials } from "../credentials";
+import { routeResolver } from "../App";
+import LoadingIndicator from "../widgets/LoadingIndicator";
+
+import AppBarOverride from "../widgets/AppBarOverride";
+import { List, ListItem } from "../widgets/List";
+import Container from "../widgets/Container";
+import { IconButton } from "@material-ui/core";
+import IconAccept from "@material-ui/icons/Done";
+import IconReject from "@material-ui/icons/Close";
+import ConfirmationDialog from "../widgets/ConfirmationDialog";
+import PrettyFingerprint from "../widgets/PrettyFingerprint";
+
+async function loadInvitations(etebase: Etebase.Account) {
+  const ret: Etebase.SignedInvitation[] = [];
+  const invitationManager = etebase.getInvitationManager();
+
+  let iterator: string | null = null;
+  let done = false;
+  while (!done) {
+    // FIXME: shouldn't be any
+    const invitations: any = await invitationManager.listIncoming({ iterator, limit: 30 });
+    iterator = invitations.iterator;
+    done = invitations.done;
+
+    ret.push(...invitations.data);
+  }
+
+  return ret;
+}
+
+export default function Invitations() {
+  return (
+    <Switch>
+      <Route
+        path={routeResolver.getRoute("collections.invitations")}
+        exact
+      >
+        <Redirect to={routeResolver.getRoute("collections.invitations.incoming")} />
+      </Route>
+      <Route
+        path={routeResolver.getRoute("collections.invitations.incoming")}
+        exact
+      >
+        <InvitationsIncoming
+        />
+      </Route>
+    </Switch>
+  );
+}
+
+function InvitationsIncoming() {
+  const [invitations, setInvitations] = React.useState<Etebase.SignedInvitation[]>();
+  const [chosenInvitation, setChosenInvitation] = React.useState<Etebase.SignedInvitation>();
+  const etebase = useCredentials()!;
+
+  React.useEffect(() => {
+    loadInvitations(etebase).then(setInvitations);
+  }, [etebase]);
+
+  function removeInvitation(invite: Etebase.SignedInvitation) {
+    setInvitations(invitations?.filter((x) => x.uid !== invite.uid));
+  }
+
+  async function reject(invite: Etebase.SignedInvitation) {
+    const invitationManager = etebase.getInvitationManager();
+    await invitationManager.reject(invite);
+    removeInvitation(invite);
+  }
+
+  async function accept(invite: Etebase.SignedInvitation) {
+    const invitationManager = etebase.getInvitationManager();
+    await invitationManager.accept(invite);
+    setChosenInvitation(undefined);
+    removeInvitation(invite);
+  }
+
+  return (
+    <>
+      <AppBarOverride title="Incoming Invitations" />
+      <Container style={{ maxWidth: "30rem" }}>
+        {invitations ?
+          <List>
+            {(invitations.length > 0 ?
+              invitations.map((invite, idx) => (
+                <ListItem
+                  key={invite.uid}
+                  rightIcon={(
+                    <>
+                      <IconButton title="Reject" onClick={() => reject(invite)}>
+                        <IconReject color="error" />
+                      </IconButton>
+                      <IconButton title="Accept" onClick={() => setChosenInvitation(invite)}>
+                        <IconAccept color="secondary" />
+                      </IconButton>
+                    </>
+                  )}
+                >
+                  Invitation {idx + 1}
+                </ListItem>
+              ))
+              :
+              <ListItem>
+                No invitations
+              </ListItem>
+            )}
+          </List>
+          :
+          <LoadingIndicator />
+        }
+      </Container>
+      {chosenInvitation && (
+        <ConfirmationDialog
+          title="Accept invitation"
+          labelOk="OK"
+          open={!!chosenInvitation}
+          onOk={() => accept(chosenInvitation)}
+          onCancel={() => setChosenInvitation(undefined)}
+        >
+          Please verify the inviter's security fingerprint to ensure the invitation is secure:
+          <div style={{ textAlign: "center" }}>
+            <PrettyFingerprint publicKey={chosenInvitation.fromPubkey} />
+          </div>
+        </ConfirmationDialog>
+      )}
+    </>
+  );
+}
diff --git a/src/Collections/Main.tsx b/src/Collections/Main.tsx
index f2a773b..9ff2abb 100644
--- a/src/Collections/Main.tsx
+++ b/src/Collections/Main.tsx
@@ -20,6 +20,7 @@ import CollectionMembers from "./CollectionMembers";
 import Collection from "./Collection";
 import { useAsyncDispatch } from "../store";
 import { collectionUpload } from "../store/actions";
+import Invitations from "./Invitations";
 
 const decryptCollections = getDecryptCollectionsFunction();
 
@@ -96,6 +97,11 @@ export default function CollectionsMain() {
           onCancel={onCancel}
         />
       </Route>
+      <Route
+        path={routeResolver.getRoute("collections.invitations")}
+      >
+        <Invitations />
+      </Route>
       <Route
         path={routeResolver.getRoute("collections._id")}
         render={({ match }) => {