element-portable/src/slash-commands/command.ts
2023-09-25 18:12:41 +01:00

116 lines
4.1 KiB
TypeScript

/*
Copyright 2015, 2016 OpenMarket Ltd
Copyright 2018 New Vector Ltd
Copyright 2019 Michael Telatynski <7t3chguy@gmail.com>
Copyright 2020, 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.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import { MatrixClient } from "matrix-js-sdk/src/matrix";
import { SlashCommand as SlashCommandEvent } from "@matrix-org/analytics-events/types/typescript/SlashCommand";
import { TimelineRenderingType } from "../contexts/RoomContext";
import { reject } from "./utils";
import { _t, TranslationKey, UserFriendlyError } from "../languageHandler";
import { PosthogAnalytics } from "../PosthogAnalytics";
import { CommandCategories, RunResult } from "./interface";
type RunFn = (
this: Command,
matrixClient: MatrixClient,
roomId: string,
threadId: string | null,
args?: string,
) => RunResult;
interface ICommandOpts {
command: string;
aliases?: string[];
args?: string;
description: TranslationKey;
analyticsName?: SlashCommandEvent["command"];
runFn?: RunFn;
category: string;
hideCompletionAfterSpace?: boolean;
isEnabled?(matrixClient: MatrixClient | null): boolean;
renderingTypes?: TimelineRenderingType[];
}
export class Command {
public readonly command: string;
public readonly aliases: string[];
public readonly args?: string;
public readonly description: TranslationKey;
public readonly runFn?: RunFn;
public readonly category: string;
public readonly hideCompletionAfterSpace: boolean;
public readonly renderingTypes?: TimelineRenderingType[];
public readonly analyticsName?: SlashCommandEvent["command"];
private readonly _isEnabled?: (matrixClient: MatrixClient | null) => boolean;
public constructor(opts: ICommandOpts) {
this.command = opts.command;
this.aliases = opts.aliases || [];
this.args = opts.args || "";
this.description = opts.description;
this.runFn = opts.runFn?.bind(this);
this.category = opts.category || CommandCategories.other;
this.hideCompletionAfterSpace = opts.hideCompletionAfterSpace || false;
this._isEnabled = opts.isEnabled;
this.renderingTypes = opts.renderingTypes;
this.analyticsName = opts.analyticsName;
}
public getCommand(): string {
return `/${this.command}`;
}
public getCommandWithArgs(): string {
return this.getCommand() + " " + this.args;
}
public run(matrixClient: MatrixClient, roomId: string, threadId: string | null, args?: string): RunResult {
// if it has no runFn then its an ignored/nop command (autocomplete only) e.g `/me`
if (!this.runFn) {
return reject(new UserFriendlyError("slash_command|error_invalid_runfn"));
}
const renderingType = threadId ? TimelineRenderingType.Thread : TimelineRenderingType.Room;
if (this.renderingTypes && !this.renderingTypes?.includes(renderingType)) {
return reject(
new UserFriendlyError("slash_command|error_invalid_rendering_type", {
renderingType,
cause: undefined,
}),
);
}
if (this.analyticsName) {
PosthogAnalytics.instance.trackEvent<SlashCommandEvent>({
eventName: "SlashCommand",
command: this.analyticsName,
});
}
return this.runFn(matrixClient, roomId, threadId, args);
}
public getUsage(): string {
return _t("slash_command|usage") + ": " + this.getCommandWithArgs();
}
public isEnabled(cli: MatrixClient | null): boolean {
return this._isEnabled?.(cli) ?? true;
}
}