Check profiles before starting a DM (#10472)

src/components/views/dialogs/AskInviteAnywayDialog.tsx

@@ -22,14 +22,21 @@ import SettingsStore from "../../../settings/SettingsStore";
 import { SettingLevel } from "../../../settings/SettingLevel";
 import BaseDialog from "./BaseDialog";
 
-export interface AskInviteAnywayDialogProps {
+export interface UnknownProfile {
-    unknownProfileUsers: Array<{
     userId: string;
     errorText: string;
-    }>;
+}
+
+export type UnknownProfiles = UnknownProfile[];
+
+export interface AskInviteAnywayDialogProps {
+    unknownProfileUsers: UnknownProfiles;
     onInviteAnyways: () => void;
     onGiveUp: () => void;
     onFinished: (success: boolean) => void;
+    description?: string;
+    inviteNeverWarnLabel?: string;
+    inviteLabel?: string;
 }
 
 export default function AskInviteAnywayDialog({
@@ -37,6 +44,9 @@ export default function AskInviteAnywayDialog({
     onGiveUp,
     onInviteAnyways,
     unknownProfileUsers,
+    description: descriptionProp,
+    inviteNeverWarnLabel,
+    inviteLabel,
 }: AskInviteAnywayDialogProps): JSX.Element {
     const onInviteClicked = useCallback((): void => {
         onInviteAnyways();
@@ -60,6 +70,10 @@ export default function AskInviteAnywayDialog({
         </li>
     ));
 
+    const description =
+        descriptionProp ??
+        _t("Unable to find profiles for the Matrix IDs listed below - would you like to invite them anyway?");
+
     return (
         <BaseDialog
             className="mx_RetryInvitesDialog"
@@ -68,20 +82,17 @@ export default function AskInviteAnywayDialog({
             contentId="mx_Dialog_content"
         >
             <div id="mx_Dialog_content">
-                <p>
+                <p>{description}</p>
-                    {_t(
-                        "Unable to find profiles for the Matrix IDs listed below - " +
-                            "would you like to invite them anyway?",
-                    )}
-                </p>
                 <ul>{errorList}</ul>
             </div>
 
             <div className="mx_Dialog_buttons">
                 <button onClick={onGiveUpClicked}>{_t("Close")}</button>
-                <button onClick={onInviteNeverWarnClicked}>{_t("Invite anyway and never warn me again")}</button>
+                <button onClick={onInviteNeverWarnClicked}>
+                    {inviteNeverWarnLabel ?? _t("Invite anyway and never warn me again")}
+                </button>
                 <button onClick={onInviteClicked} autoFocus={true}>
-                    {_t("Invite anyway")}
+                    {inviteLabel ?? _t("Invite anyway")}
                 </button>
             </div>
         </BaseDialog>

src/components/views/dialogs/InviteDialog.tsx

@@ -1,5 +1,5 @@
 /*
-Copyright 2019 - 2022 The Matrix.org Foundation C.I.C.
+Copyright 2019 - 2023 The Matrix.org Foundation C.I.C.
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -20,6 +20,7 @@ import { RoomMember } from "matrix-js-sdk/src/models/room-member";
 import { Room } from "matrix-js-sdk/src/models/room";
 import { MatrixCall } from "matrix-js-sdk/src/webrtc/call";
 import { logger } from "matrix-js-sdk/src/logger";
+import { MatrixError } from "matrix-js-sdk/src/matrix";
 
 import { Icon as InfoIcon } from "../../../../res/img/element-icons/info.svg";
 import { Icon as EmailPillAvatarIcon } from "../../../../res/img/icon-email-pill-avatar.svg";
@@ -75,10 +76,38 @@ import Modal from "../../../Modal";
 import dis from "../../../dispatcher/dispatcher";
 import { privateShouldBeEncrypted } from "../../../utils/rooms";
 import { NonEmptyArray } from "../../../@types/common";
+import { UNKNOWN_PROFILE_ERRORS } from "../../../utils/MultiInviter";
+import AskInviteAnywayDialog, { UnknownProfiles } from "./AskInviteAnywayDialog";
+import { SdkContextClass } from "../../../contexts/SDKContext";
+import { UserProfilesStore } from "../../../stores/UserProfilesStore";
 
 // we have a number of types defined from the Matrix spec which can't reasonably be altered here.
 /* eslint-disable camelcase */
 
+const extractTargetUnknownProfiles = async (
+    targets: Member[],
+    profilesStores: UserProfilesStore,
+): Promise<UnknownProfiles> => {
+    const directoryMembers = targets.filter((t): t is DirectoryMember => t instanceof DirectoryMember);
+    await Promise.all(directoryMembers.map((t) => profilesStores.getOrFetchProfile(t.userId)));
+    return directoryMembers.reduce<UnknownProfiles>((unknownProfiles: UnknownProfiles, target: DirectoryMember) => {
+        const lookupError = profilesStores.getProfileLookupError(target.userId);
+
+        if (
+            lookupError instanceof MatrixError &&
+            lookupError.errcode &&
+            UNKNOWN_PROFILE_ERRORS.includes(lookupError.errcode)
+        ) {
+            unknownProfiles.push({
+                userId: target.userId,
+                errorText: lookupError.data.error || "",
+            });
+        }
+
+        return unknownProfiles;
+    }, []);
+};
+
 interface Result {
     userId: string;
     user: Member;
@@ -331,6 +360,7 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
     private numberEntryFieldRef: React.RefObject<Field> = createRef();
     private unmounted = false;
     private encryptionByDefault = false;
+    private profilesStore: UserProfilesStore;
 
     public constructor(props: Props) {
         super(props);
@@ -341,6 +371,8 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
             throw new Error("When using InviteKind.CallTransfer a call is required for an InviteDialog");
         }
 
+        this.profilesStore = SdkContextClass.instance.userProfilesStore;
+
         const alreadyInvited = new Set([MatrixClientPeg.get().getUserId()!]);
         const welcomeUserId = SdkConfig.get("welcome_user_id");
         if (welcomeUserId) alreadyInvited.add(welcomeUserId);
@@ -504,10 +536,28 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
         return newTargets;
     }
 
+    /**
+     * Check if there are unknown profiles if promptBeforeInviteUnknownUsers setting is enabled.
+     * If so show the "invite anyway?" dialog. Otherwise directly create the DM local room.
+     */
+    private checkProfileAndStartDm = async (): Promise<void> => {
+        this.setBusy(true);
+        const targets = this.convertFilter();
+
+        if (SettingsStore.getValue("promptBeforeInviteUnknownUsers")) {
+            const unknownProfileUsers = await extractTargetUnknownProfiles(targets, this.profilesStore);
+
+            if (unknownProfileUsers.length) {
+                this.showAskInviteAnywayDialog(unknownProfileUsers);
+                return;
+            }
+        }
+
+        await this.startDm();
+    };
+
     private startDm = async (): Promise<void> => {
-        this.setState({
+        this.setBusy(true);
-            busy: true,
-        });
 
         try {
             const cli = MatrixClientPeg.get();
@@ -523,6 +573,27 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
         }
     };
 
+    private setBusy(busy: boolean): void {
+        this.setState({
+            busy,
+        });
+    }
+
+    private showAskInviteAnywayDialog(unknownProfileUsers: { userId: string; errorText: string }[]): void {
+        Modal.createDialog(AskInviteAnywayDialog, {
+            unknownProfileUsers,
+            onInviteAnyways: () => this.startDm(),
+            onGiveUp: () => {
+                this.setBusy(false);
+            },
+            description: _t(
+                "Unable to find profiles for the Matrix IDs listed below - would you like to start a DM anyway?",
+            ),
+            inviteNeverWarnLabel: _t("Start DM anyway and never warn me again"),
+            inviteLabel: _t("Start DM anyway"),
+        });
+    }
+
     private inviteUsers = async (): Promise<void> => {
         if (this.props.kind !== InviteKind.Invite) return;
         this.setState({ busy: true });
@@ -639,7 +710,8 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
                 // if there's no matches (and the input looks like a mxid).
                 if (term[0] === "@" && term.indexOf(":") > 1) {
                     try {
-                        const profile = await MatrixClientPeg.get().getProfileInfo(term);
+                        const profile = await this.profilesStore.getOrFetchProfile(term, { shouldThrow: true });
+
                         if (profile) {
                             // If we have a profile, we have enough information to assume that
                             // the mxid can be invited - add it to the list. We stick it at the
@@ -651,8 +723,7 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
                             });
                         }
                     } catch (e) {
-                        logger.warn("Non-fatal error trying to make an invite for a user ID");
+                        logger.warn("Non-fatal error trying to make an invite for a user ID", e);
-                        logger.warn(e);
 
                         // Reuse logic from Permalinks as a basic MXID validity check
                         const serverName = getServerName(term);
@@ -716,7 +787,7 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
                 // the email anyways, and so we don't cause things to jump around. In
                 // theory, the user would see the user pop up and think "ah yes, that
                 // person!"
-                const profile = await MatrixClientPeg.get().getProfileInfo(lookup.mxid);
+                const profile = await this.profilesStore.getOrFetchProfile(lookup.mxid);
                 if (term !== this.state.filterText || !profile) return; // abandon hope
                 this.setState({
                     threepidResultsMixin: [
@@ -861,7 +932,7 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
             }
 
             try {
-                const profile = await MatrixClientPeg.get().getProfileInfo(address);
+                const profile = await this.profilesStore.getOrFetchProfile(address);
                 toAdd.push(
                     new DirectoryMember({
                         user_id: address,
@@ -1252,7 +1323,7 @@ export default class InviteDialog extends React.PureComponent<Props, IInviteDial
             }
 
             buttonText = _t("Go");
-            goButtonFn = this.startDm;
+            goButtonFn = this.checkProfileAndStartDm;
             extraSection = (
                 <div className="mx_InviteDialog_section_hidden_suggestions_disclaimer">
                     <span>{_t("Some suggestions may be hidden for privacy.")}</span>

src/i18n/strings/en_EN.json

@@ -2711,8 +2711,8 @@
     "Get it on F-Droid": "Get it on F-Droid",
     "App Store® and the Apple logo® are trademarks of Apple Inc.": "App Store® and the Apple logo® are trademarks of Apple Inc.",
     "Google Play and the Google Play logo are trademarks of Google LLC.": "Google Play and the Google Play logo are trademarks of Google LLC.",
-    "The following users may not exist": "The following users may not exist",
     "Unable to find profiles for the Matrix IDs listed below - would you like to invite them anyway?": "Unable to find profiles for the Matrix IDs listed below - would you like to invite them anyway?",
+    "The following users may not exist": "The following users may not exist",
     "Invite anyway and never warn me again": "Invite anyway and never warn me again",
     "Invite anyway": "Invite anyway",
     "Close dialog": "Close dialog",
@@ -2876,6 +2876,9 @@
     "Click the button below to confirm your identity.": "Click the button below to confirm your identity.",
     "Invite by email": "Invite by email",
     "We couldn't create your DM.": "We couldn't create your DM.",
+    "Unable to find profiles for the Matrix IDs listed below - would you like to start a DM anyway?": "Unable to find profiles for the Matrix IDs listed below - would you like to start a DM anyway?",
+    "Start DM anyway and never warn me again": "Start DM anyway and never warn me again",
+    "Start DM anyway": "Start DM anyway",
     "Something went wrong trying to invite the users.": "Something went wrong trying to invite the users.",
     "We couldn't invite those users. Please check the users you want to invite and try again.": "We couldn't invite those users. Please check the users you want to invite and try again.",
     "A call can only be transferred to a single user.": "A call can only be transferred to a single user.",

src/stores/UserProfilesStore.ts

@@ -15,7 +15,14 @@ limitations under the License.
 */
 
 import { logger } from "matrix-js-sdk/src/logger";
-import { IMatrixProfile, MatrixClient, MatrixEvent, RoomMember, RoomMemberEvent } from "matrix-js-sdk/src/matrix";
+import {
+    IMatrixProfile,
+    MatrixClient,
+    MatrixError,
+    MatrixEvent,
+    RoomMember,
+    RoomMemberEvent,
+} from "matrix-js-sdk/src/matrix";
 
 import { LruCache } from "../utils/LruCache";
 
@@ -23,12 +30,18 @@ const cacheSize = 500;
 
 type StoreProfileValue = IMatrixProfile | undefined | null;
 
+interface GetOptions {
+    /** Whether calling the function shouuld raise an Error. */
+    shouldThrow: boolean;
+}
+
 /**
  * This store provides cached access to user profiles.
  * Listens for membership events and invalidates the cache for a profile on update with different profile values.
  */
 export class UserProfilesStore {
     private profiles = new LruCache<string, IMatrixProfile | null>(cacheSize);
+    private profileLookupErrors = new LruCache<string, MatrixError>(cacheSize);
     private knownProfiles = new LruCache<string, IMatrixProfile | null>(cacheSize);
 
     public constructor(private client: MatrixClient) {
@@ -48,6 +61,32 @@ export class UserProfilesStore {
         return this.profiles.get(userId);
     }
 
+    /**
+     * Async shortcut function that returns the profile from cache or
+     * or fetches it on cache miss.
+     *
+     * @param userId - User Id of the profile to get or fetch
+     * @returns The profile, if cached by the store or fetched from the API.
+     *          Null if the profile does not exist or an error occurred during fetch.
+     */
+    public async getOrFetchProfile(userId: string, options?: GetOptions): Promise<IMatrixProfile | null> {
+        const cachedProfile = this.profiles.get(userId);
+
+        if (cachedProfile) return cachedProfile;
+
+        return this.fetchProfile(userId, options);
+    }
+
+    /**
+     * Get a profile lookup error.
+     *
+     * @param userId - User Id for which to get the lookup error
+     * @returns The lookup error or undefined if there was no error or the profile was not fetched.
+     */
+    public getProfileLookupError(userId: string): MatrixError | undefined {
+        return this.profileLookupErrors.get(userId);
+    }
+
     /**
      * Synchronously get a profile from known users from the store cache.
      * Known user means that at least one shared room with the user exists.
@@ -70,8 +109,8 @@ export class UserProfilesStore {
      * @returns The profile, if found.
      *          Null if the profile does not exist or there was an error fetching it.
      */
-    public async fetchProfile(userId: string): Promise<IMatrixProfile | null> {
+    public async fetchProfile(userId: string, options?: GetOptions): Promise<IMatrixProfile | null> {
-        const profile = await this.fetchProfileFromApi(userId);
+        const profile = await this.fetchProfileFromApi(userId, options);
         this.profiles.set(userId, profile);
         return profile;
     }
@@ -96,17 +135,34 @@ export class UserProfilesStore {
         return profile;
     }
 
+    public flush(): void {
+        this.profiles = new LruCache<string, IMatrixProfile | null>(cacheSize);
+        this.profileLookupErrors = new LruCache<string, MatrixError>(cacheSize);
+        this.knownProfiles = new LruCache<string, IMatrixProfile | null>(cacheSize);
+    }
+
     /**
      * Looks up a user profile via API.
      *
      * @param userId - User Id for which the profile should be fetched for
      * @returns The profile information or null on errors
      */
-    private async fetchProfileFromApi(userId: string): Promise<IMatrixProfile | null> {
+    private async fetchProfileFromApi(userId: string, options?: GetOptions): Promise<IMatrixProfile | null> {
+        // invalidate cached profile errors
+        this.profileLookupErrors.delete(userId);
+
         try {
             return (await this.client.getProfileInfo(userId)) ?? null;
         } catch (e) {
             logger.warn(`Error retrieving profile for userId ${userId}`, e);
+
+            if (e instanceof MatrixError) {
+                this.profileLookupErrors.set(userId, e);
+            }
+
+            if (options?.shouldThrow) {
+                throw e;
+            }
         }
 
         return null;

src/utils/MultiInviter.ts

@@ -38,7 +38,12 @@ interface IError {
     errcode: string;
 }
 
-const UNKNOWN_PROFILE_ERRORS = ["M_NOT_FOUND", "M_USER_NOT_FOUND", "M_PROFILE_UNDISCLOSED", "M_PROFILE_NOT_FOUND"];
+export const UNKNOWN_PROFILE_ERRORS = [
+    "M_NOT_FOUND",
+    "M_USER_NOT_FOUND",
+    "M_PROFILE_UNDISCLOSED",
+    "M_PROFILE_NOT_FOUND",
+];
 
 export type CompletionStates = Record<string, InviteState>;
 

test/components/views/dialogs/InviteDialog-test.tsx

@@ -18,15 +18,28 @@ import React from "react";
 import { render, screen } from "@testing-library/react";
 import userEvent from "@testing-library/user-event";
 import { RoomType } from "matrix-js-sdk/src/@types/event";
-import { Room } from "matrix-js-sdk/src/matrix";
+import { MatrixClient, MatrixError, Room } from "matrix-js-sdk/src/matrix";
+import { sleep } from "matrix-js-sdk/src/utils";
+import { mocked, Mocked } from "jest-mock";
 
 import InviteDialog from "../../../../src/components/views/dialogs/InviteDialog";
 import { InviteKind } from "../../../../src/components/views/dialogs/InviteDialogTypes";
-import { getMockClientWithEventEmitter, mkMembership, mkMessage, mkRoomCreateEvent } from "../../../test-utils";
+import {
+    filterConsole,
+    getMockClientWithEventEmitter,
+    mkMembership,
+    mkMessage,
+    mkRoomCreateEvent,
+} from "../../../test-utils";
 import DMRoomMap from "../../../../src/utils/DMRoomMap";
 import SdkConfig from "../../../../src/SdkConfig";
 import { ValidatedServerConfig } from "../../../../src/utils/ValidatedServerConfig";
 import { IConfigOptions } from "../../../../src/IConfigOptions";
+import { SdkContextClass } from "../../../../src/contexts/SDKContext";
+import { IProfileInfo } from "../../../../src/hooks/useProfileInfo";
+import { DirectoryMember, startDmOnFirstMessage } from "../../../../src/utils/direct-messages";
+import SettingsStore from "../../../../src/settings/SettingsStore";
+import Modal from "../../../../src/Modal";
 
 const mockGetAccessToken = jest.fn().mockResolvedValue("getAccessToken");
 jest.mock("../../../../src/IdentityAuthClient", () =>
@@ -35,6 +48,12 @@ jest.mock("../../../../src/IdentityAuthClient", () =>
     })),
 );
 
+jest.mock("../../../../src/utils/direct-messages", () => ({
+    ...jest.requireActual("../../../../src/utils/direct-messages"),
+    __esModule: true,
+    startDmOnFirstMessage: jest.fn(),
+}));
+
 const getSearchField = () => screen.getByTestId("invite-dialog-input");
 
 const enterIntoSearchField = async (value: string) => {
@@ -60,13 +79,37 @@ const expectNoPill = (value: string) => {
     expect(getSearchField()).toHaveValue(value);
 };
 
-describe("InviteDialog", () => {
 const roomId = "!111111111111111111:example.org";
 const aliceId = "@alice:example.org";
 const aliceEmail = "foobar@email.com";
 const bobId = "@bob:example.org";
 const bobEmail = "bobbob@example.com"; // bob@example.com is already used as an example in the invite dialog
-    const mockClient = getMockClientWithEventEmitter({
+const carolId = "@carol:example.com";
+
+const aliceProfileInfo: IProfileInfo = {
+    user_id: aliceId,
+    display_name: "Alice",
+};
+
+const bobProfileInfo: IProfileInfo = {
+    user_id: bobId,
+    display_name: "Bob",
+};
+
+describe("InviteDialog", () => {
+    let mockClient: Mocked<MatrixClient>;
+    let room: Room;
+
+    filterConsole(
+        "Error retrieving profile for userId @carol:example.com",
+        "Error retrieving profile for userId @localpart:server.tld",
+        "Error retrieving profile for userId @localpart:server:tld",
+        "Starting load of AsyncWrapper for modal",
+        "[Invite:Recents] Excluding @alice:example.org from recents",
+    );
+
+    beforeEach(() => {
+        mockClient = getMockClientWithEventEmitter({
             getUserId: jest.fn().mockReturnValue(bobId),
             getSafeUserId: jest.fn().mockReturnValue(bobId),
             isGuest: jest.fn().mockReturnValue(false),
@@ -77,7 +120,15 @@ describe("InviteDialog", () => {
             getPushActionsForEvent: jest.fn(),
             mxcUrlToHttp: jest.fn().mockReturnValue(""),
             isRoomEncrypted: jest.fn().mockReturnValue(false),
-        getProfileInfo: jest.fn().mockRejectedValue({ errcode: "" }),
+            getProfileInfo: jest.fn().mockImplementation(async (userId: string) => {
+                if (userId === aliceId) return aliceProfileInfo;
+                if (userId === bobId) return bobProfileInfo;
+
+                throw new MatrixError({
+                    errcode: "M_NOT_FOUND",
+                    error: "Profile not found",
+                });
+            }),
             getIdentityServerUrl: jest.fn(),
             searchUserDirectory: jest.fn().mockResolvedValue({}),
             lookupThreePid: jest.fn(),
@@ -90,16 +141,11 @@ describe("InviteDialog", () => {
             getTerms: jest.fn().mockResolvedValue({ policies: [] }),
             supportsThreads: jest.fn().mockReturnValue(false),
             isInitialSyncComplete: jest.fn().mockReturnValue(true),
-        getClientWellKnown: jest.fn(),
+            getClientWellKnown: jest.fn().mockResolvedValue({}),
         });
-    let room: Room;
-
-    beforeEach(() => {
         SdkConfig.put({ validated_server_config: {} as ValidatedServerConfig } as IConfigOptions);
         DMRoomMap.makeShared();
         jest.clearAllMocks();
-        mockClient.getUserId.mockReturnValue(bobId);
-        mockClient.getClientWellKnown.mockReturnValue({});
 
         room = new Room(roomId, mockClient, mockClient.getSafeUserId());
         room.addLiveEvents([
@@ -127,6 +173,14 @@ describe("InviteDialog", () => {
         });
         mockClient.getRooms.mockReturnValue([room]);
         mockClient.getRoom.mockReturnValue(room);
+
+        SdkContextClass.instance.client = mockClient;
+    });
+
+    afterEach(() => {
+        Modal.closeCurrentModal();
+        SdkContextClass.instance.onLoggedOut();
+        SdkContextClass.instance.client = undefined;
     });
 
     afterAll(() => {
@@ -232,7 +286,7 @@ describe("InviteDialog", () => {
         input.focus();
         await userEvent.paste(`${bobId} ${aliceEmail}`);
 
-        await screen.findByText(bobId);
+        await screen.findAllByText(bobId);
         await screen.findByText(aliceEmail);
         expect(input).toHaveValue("");
     });
@@ -291,13 +345,94 @@ describe("InviteDialog", () => {
         render(<InviteDialog kind={InviteKind.Dm} onFinished={jest.fn()} />);
 
         // Start with a MXID → should convert to a pill
-        await enterIntoSearchField("@carol:example.com");
+        await enterIntoSearchField(carolId);
         expect(screen.queryByText("Invites by email can only be sent one at a time")).not.toBeInTheDocument();
-        expectPill("@carol:example.com");
+        expectPill(carolId);
 
         // Add an email → should not convert to a pill
         await enterIntoSearchField(bobEmail);
         expect(screen.getByText("Invites by email can only be sent one at a time")).toBeInTheDocument();
         expectNoPill(bobEmail);
     });
+
+    it("should start a DM if the profile is available", async () => {
+        render(<InviteDialog kind={InviteKind.Dm} onFinished={jest.fn()} />);
+        await enterIntoSearchField(aliceId);
+        await userEvent.click(screen.getByRole("button", { name: "Go" }));
+        expect(startDmOnFirstMessage).toHaveBeenCalledWith(mockClient, [
+            new DirectoryMember({
+                user_id: aliceId,
+            }),
+        ]);
+    });
+
+    describe("when inviting a user with an unknown profile", () => {
+        beforeEach(async () => {
+            render(<InviteDialog kind={InviteKind.Dm} onFinished={jest.fn()} />);
+            await enterIntoSearchField(carolId);
+            await userEvent.click(screen.getByRole("button", { name: "Go" }));
+            // Wait for the »invite anyway« modal to show up
+            await screen.findByText("The following users may not exist");
+        });
+
+        it("should not start the DM", () => {
+            expect(startDmOnFirstMessage).not.toHaveBeenCalled();
+        });
+
+        it("should show the »invite anyway« dialog if the profile is not available", () => {
+            expect(screen.getByText("The following users may not exist")).toBeInTheDocument();
+            expect(screen.getByText(`${carolId}: Profile not found`)).toBeInTheDocument();
+        });
+
+        describe("when clicking »Start DM anyway«", () => {
+            beforeEach(async () => {
+                await userEvent.click(screen.getByRole("button", { name: "Start DM anyway", exact: true }));
+            });
+
+            it("should start the DM", () => {
+                expect(startDmOnFirstMessage).toHaveBeenCalledWith(mockClient, [
+                    new DirectoryMember({
+                        user_id: carolId,
+                    }),
+                ]);
+            });
+        });
+
+        describe("when clicking »Close«", () => {
+            beforeEach(async () => {
+                mocked(startDmOnFirstMessage).mockClear();
+                await userEvent.click(screen.getByRole("button", { name: "Close" }));
+            });
+
+            it("should not start the DM", () => {
+                expect(startDmOnFirstMessage).not.toHaveBeenCalled();
+            });
+        });
+    });
+
+    describe("when inviting a user with an unknown profile and »promptBeforeInviteUnknownUsers« setting = false", () => {
+        beforeEach(async () => {
+            mocked(startDmOnFirstMessage).mockClear();
+            jest.spyOn(SettingsStore, "getValue").mockImplementation(
+                (settingName) => settingName !== "promptBeforeInviteUnknownUsers",
+            );
+            render(<InviteDialog kind={InviteKind.Dm} onFinished={jest.fn()} />);
+            await enterIntoSearchField(carolId);
+            await userEvent.click(screen.getByRole("button", { name: "Go" }));
+            // modal rendering has some weird sleeps - fake timers will mess up the entire test
+            await sleep(100);
+        });
+
+        it("should not show the »invite anyway« dialog", () => {
+            expect(screen.queryByText("The following users may not exist")).not.toBeInTheDocument();
+        });
+
+        it("should start the DM directly", () => {
+            expect(startDmOnFirstMessage).toHaveBeenCalledWith(mockClient, [
+                new DirectoryMember({
+                    user_id: carolId,
+                }),
+            ]);
+        });
+    });
 });

test/stores/UserProfilesStore-test.ts

@@ -15,13 +15,25 @@ limitations under the License.
 */
 
 import { mocked, Mocked } from "jest-mock";
-import { IMatrixProfile, MatrixClient, MatrixEvent, Room, RoomMemberEvent } from "matrix-js-sdk/src/matrix";
+import {
+    IMatrixProfile,
+    MatrixClient,
+    MatrixError,
+    MatrixEvent,
+    Room,
+    RoomMemberEvent,
+} from "matrix-js-sdk/src/matrix";
 
 import { UserProfilesStore } from "../../src/stores/UserProfilesStore";
 import { filterConsole, mkRoomMember, mkRoomMemberJoinEvent, stubClient } from "../test-utils";
 
 describe("UserProfilesStore", () => {
     const userIdDoesNotExist = "@unknown:example.com";
+    const userDoesNotExistError = new MatrixError({
+        errcode: "M_NOT_FOUND",
+        error: "Profile not found",
+    });
+
     const user1Id = "@user1:example.com";
     const user1Profile: IMatrixProfile = { displayname: "User 1", avatar_url: undefined };
     const user2Id = "@user2:example.com";
@@ -50,7 +62,7 @@ describe("UserProfilesStore", () => {
             if (userId === user1Id) return user1Profile;
             if (userId === user2Id) return user2Profile;
 
-            throw new Error("User not found");
+            throw userDoesNotExistError;
         });
     });
 
@@ -65,10 +77,69 @@ describe("UserProfilesStore", () => {
             expect(userProfilesStore.getProfile(user1Id)).toBe(user1Profile);
         });
 
-        it("for an user that does not exist should return null and cache it", async () => {
+        it("when shouldThrow = true and there is an error it should raise an error", async () => {
-            const profile = await userProfilesStore.fetchProfile(userIdDoesNotExist);
+            await expect(userProfilesStore.fetchProfile(userIdDoesNotExist, { shouldThrow: true })).rejects.toThrow(
+                userDoesNotExistError.message,
+            );
+        });
+
+        describe("when fetching a profile that does not exist", () => {
+            let profile: IMatrixProfile | null | undefined;
+
+            beforeEach(async () => {
+                profile = await userProfilesStore.fetchProfile(userIdDoesNotExist);
+            });
+
+            it("should return null", () => {
                 expect(profile).toBeNull();
+            });
+
+            it("should cache the error and result", () => {
                 expect(userProfilesStore.getProfile(userIdDoesNotExist)).toBeNull();
+                expect(userProfilesStore.getProfileLookupError(userIdDoesNotExist)).toBe(userDoesNotExistError);
+            });
+
+            describe("when the profile does not exist and fetching it again", () => {
+                beforeEach(async () => {
+                    mockClient.getProfileInfo.mockResolvedValue(user1Profile);
+                    profile = await userProfilesStore.fetchProfile(userIdDoesNotExist);
+                });
+
+                it("should return the profile", () => {
+                    expect(profile).toBe(user1Profile);
+                });
+
+                it("should clear the error", () => {
+                    expect(userProfilesStore.getProfileLookupError(userIdDoesNotExist)).toBeUndefined();
+                });
+            });
+        });
+    });
+
+    describe("getOrFetchProfile", () => {
+        it("should return a profile from the API and cache it", async () => {
+            const profile = await userProfilesStore.getOrFetchProfile(user1Id);
+            expect(profile).toBe(user1Profile);
+            // same method again
+            expect(await userProfilesStore.getOrFetchProfile(user1Id)).toBe(user1Profile);
+            // assert that the profile is cached
+            expect(userProfilesStore.getProfile(user1Id)).toBe(user1Profile);
+        });
+    });
+
+    describe("getProfileLookupError", () => {
+        it("should return undefined if a profile was not fetched", () => {
+            expect(userProfilesStore.getProfileLookupError(user1Id)).toBeUndefined();
+        });
+
+        it("should return undefined if a profile was successfully fetched", async () => {
+            await userProfilesStore.fetchProfile(user1Id);
+            expect(userProfilesStore.getProfileLookupError(user1Id)).toBeUndefined();
+        });
+
+        it("should return the error if there was one", async () => {
+            await userProfilesStore.fetchProfile(userIdDoesNotExist);
+            expect(userProfilesStore.getProfileLookupError(userIdDoesNotExist)).toBe(userDoesNotExistError);
         });
     });
 
@@ -121,4 +192,18 @@ describe("UserProfilesStore", () => {
             });
         });
     });
+
+    describe("flush", () => {
+        it("should clear profiles, known profiles and errors", async () => {
+            await userProfilesStore.fetchOnlyKnownProfile(user1Id);
+            await userProfilesStore.fetchProfile(user1Id);
+            await userProfilesStore.fetchProfile(userIdDoesNotExist);
+
+            userProfilesStore.flush();
+
+            expect(userProfilesStore.getProfile(user1Id)).toBeUndefined();
+            expect(userProfilesStore.getOnlyKnownProfile(user1Id)).toBeUndefined();
+            expect(userProfilesStore.getProfileLookupError(userIdDoesNotExist)).toBeUndefined();
+        });
+    });
 });