Handle more completion types in rte autocomplete (#10560)

* handle at-room

* remove console log

* update and add tests

* tidy up

* refactor to switch statement

* fix TS error

* expand tests

* consolidate similar if/else if blocks

src/components/views/rooms/wysiwyg_composer/components/WysiwygAutocomplete.tsx

@@ -59,22 +59,45 @@ const WysiwygAutocomplete = forwardRef(
         const client = useMatrixClientContext();
 
         function handleConfirm(completion: ICompletion): void {
-            // TODO handle all of the completion types
-            // Using this to pick out the ones we can handle during implementation
-            if (completion.type === "command") {
-                // TODO determine if utils in SlashCommands.tsx are required
+            if (client === undefined || room === undefined) {
+                return;
+            }
 
-                // trim the completion as some include trailing spaces, but we always insert a
+            switch (completion.type) {
+                case "command": {
+                    // TODO determine if utils in SlashCommands.tsx are required.
+                    // Trim the completion as some include trailing spaces, but we always insert a
                     // trailing space in the rust model anyway
                     handleCommand(completion.completion.trim());
+                    return;
                 }
-            if (client && room && completion.href && (completion.type === "room" || completion.type === "user")) {
+                case "at-room": {
+                    // TODO improve handling of at-room to either become a span or use a placeholder href
+                    // We have an issue in that we can't use a placeholder because the rust model is always
+                    // applying a prefix to the href, so an href of "#" becomes https://# and also we can not
+                    // represent a plain span in rust
+                    handleMention(
+                        window.location.href,
+                        getMentionDisplayText(completion, client),
+                        getMentionAttributes(completion, client, room),
+                    );
+                    return;
+                }
+                case "room":
+                case "user": {
+                    if (typeof completion.href === "string") {
                         handleMention(
                             completion.href,
                             getMentionDisplayText(completion, client),
                             getMentionAttributes(completion, client, room),
                         );
                     }
+                    return;
+                }
+                // TODO - handle "community" type
+                default:
+                    return;
+            }
         }
 
         // TODO - determine if we show all of the /command suggestions, there are some options in the

src/components/views/rooms/wysiwyg_composer/utils/autocomplete.ts

@@ -74,7 +74,7 @@ export function getRoomFromCompletion(completion: ICompletion, client: MatrixCli
  * @returns the text to display in the mention
  */
 export function getMentionDisplayText(completion: ICompletion, client: MatrixClient): string {
-    if (completion.type === "user") {
+    if (completion.type === "user" || completion.type === "at-room") {
         return completion.completion;
     } else if (completion.type === "room") {
         // try and get the room and use it's name, if not available, fall back to
@@ -132,7 +132,8 @@ export function getMentionAttributes(completion: ICompletion, client: MatrixClie
             "data-mention-type": completion.type,
             "style": `--avatar-background: url(${avatarUrl}); --avatar-letter: '${initialLetter}'`,
         };
+    } else if (completion.type === "at-room") {
+        return { "data-mention-type": completion.type };
     }
-
     return {};
 }

test/components/views/rooms/wysiwyg_composer/components/WysiwygComposer-test.tsx

@@ -158,7 +158,7 @@ describe("WysiwygComposer", () => {
         });
     });
 
-    describe("Mentions", () => {
+    describe("Mentions and commands", () => {
         const dispatchSpy = jest.spyOn(defaultDispatcher, "dispatch");
 
         const mockCompletions: ICompletion[] = [
@@ -181,6 +181,7 @@ describe("WysiwygComposer", () => {
             {
                 // no href user
                 type: "user",
+                href: undefined,
                 completion: "user_without_href",
                 completionId: "@user_3:host.local",
                 range: { start: 1, end: 1 },
@@ -201,6 +202,24 @@ describe("WysiwygComposer", () => {
                 range: { start: 1, end: 1 },
                 component: <div>room_without_completion_id</div>,
             },
+            {
+                type: "command",
+                completion: "/spoiler",
+                range: { start: 1, end: 1 },
+                component: <div>/spoiler</div>,
+            },
+            {
+                type: "at-room",
+                completion: "@room",
+                range: { start: 1, end: 1 },
+                component: <div>@room</div>,
+            },
+            {
+                type: "community",
+                completion: "community-completion",
+                range: { start: 1, end: 1 },
+                component: <div>community</div>,
+            },
         ];
 
         const constructMockProvider = (data: ICompletion[]) =>
@@ -211,9 +230,10 @@ describe("WysiwygComposer", () => {
             } as unknown as AutocompleteProvider);
 
         // for each test we will insert input simulating a user mention
+        const initialInput = "@abc";
         const insertMentionInput = async () => {
             fireEvent.input(screen.getByRole("textbox"), {
-                data: "@abc",
+                data: initialInput,
                 inputType: "insertText",
             });
 
@@ -349,6 +369,36 @@ describe("WysiwygComposer", () => {
             // check that it has inserted a link and falls back to the completion text
             expect(screen.getByRole("link", { name: "#room_without_completion_id" })).toBeInTheDocument();
         });
+
+        it("selecting a command inserts the command", async () => {
+            await insertMentionInput();
+
+            // select the room suggestion
+            await userEvent.click(screen.getByText("/spoiler"));
+
+            // check that it has inserted the plain text
+            expect(screen.getByText("/spoiler")).toBeInTheDocument();
+        });
+
+        it("selecting an at-room completion inserts @room", async () => {
+            await insertMentionInput();
+
+            // select the room suggestion
+            await userEvent.click(screen.getByText("@room"));
+
+            // check that it has inserted the @room link
+            expect(screen.getByRole("link", { name: "@room" })).toBeInTheDocument();
+        });
+
+        it("allows a community completion to pass through", async () => {
+            await insertMentionInput();
+
+            // select the room suggestion
+            await userEvent.click(screen.getByText("community"));
+
+            // check that it we still have the initial text
+            expect(screen.getByText(initialInput)).toBeInTheDocument();
+        });
     });
 
     describe("When settings require Ctrl+Enter to send", () => {

test/components/views/rooms/wysiwyg_composer/utils/autocomplete-test.ts

@@ -100,8 +100,8 @@ describe("getRoomFromCompletion", () => {
 });
 
 describe("getMentionDisplayText", () => {
-    it("returns an empty string if we are not handling a user or a room type", () => {
-        const nonHandledCompletionTypes = ["at-room", "community", "command"] as const;
+    it("returns an empty string if we are not handling a user, room or at-room type", () => {
+        const nonHandledCompletionTypes = ["community", "command"] as const;
         const nonHandledCompletions = nonHandledCompletionTypes.map((type) => createMockCompletion({ type }));
 
         nonHandledCompletions.forEach((completion) => {
@@ -131,12 +131,18 @@ describe("getMentionDisplayText", () => {
         // as this uses the mockClient, the name will be the mock room name returned from there
         expect(getMentionDisplayText(userCompletion, mockClient)).toBe(testCompletion);
     });
+
+    it("returns the completion if we are handling an at-room completion", () => {
+        const testCompletion = "display this";
+        const atRoomCompletion = createMockCompletion({ type: "at-room", completion: testCompletion });
+
+        expect(getMentionDisplayText(atRoomCompletion, mockClient)).toBe(testCompletion);
+    });
 });
 
 describe("getMentionAttributes", () => {
-    // TODO handle all completion types
-    it("returns an empty object for completion types other than room or user", () => {
-        const nonHandledCompletionTypes = ["at-room", "community", "command"] as const;
+    it("returns an empty object for completion types other than room, user or at-room", () => {
+        const nonHandledCompletionTypes = ["community", "command"] as const;
         const nonHandledCompletions = nonHandledCompletionTypes.map((type) => createMockCompletion({ type }));
 
         nonHandledCompletions.forEach((completion) => {
@@ -218,4 +224,14 @@ describe("getMentionAttributes", () => {
             });
         });
     });
+
+    describe("at-room mentions", () => {
+        it("returns expected attributes", () => {
+            const atRoomCompletion = createMockCompletion({ type: "at-room" });
+
+            const result = getMentionAttributes(atRoomCompletion, mockClient, mockRoom);
+
+            expect(result).toEqual({ "data-mention-type": "at-room" });
+        });
+    });
 });