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Tags: add support for variables and built-in functions

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This commit is contained in:
Dragory 2019-01-12 12:52:16 +02:00
parent d1debdc600
commit d3f0081e03
1 changed files with 38 additions and 3 deletions
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41
src/plugins/Tags.ts
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@ -4,6 +4,18 @@ import { errorMessage, successMessage } from "../utils";
import { GuildTags } from "../data/GuildTags";
import { GuildSavedMessages } from "../data/GuildSavedMessages";
import { SavedMessage } from "../data/entities/SavedMessage";
import moment from "moment-timezone";
import humanizeDuration from "humanize-duration";
const TAG_FUNCTIONS = {
countdown(toDate) {
const now = moment();
const target = moment(toDate, "YYYY-MM-DD HH:mm:ss");
const diff = target.diff(now);
const result = humanizeDuration(diff, { largest: 2, round: true });
return diff >= 0 ? result : `${result} ago`;
}
};
export class TagsPlugin extends Plugin {
public static pluginName = "tags";
@ -101,12 +113,35 @@ export class TagsPlugin extends Plugin {
const prefix = this.configValueForMemberIdAndChannelId(msg.user_id, msg.channel_id, "prefix");
if (!msg.data.content.startsWith(prefix)) return;
const withoutPrefix = msg.data.content.slice(prefix.length);
const tag = await this.tags.find(withoutPrefix);
const tagNameMatch = msg.data.content.slice(prefix.length).match(/^\S+/);
if (tagNameMatch === null) return;
const tagName = tagNameMatch[0];
const tag = await this.tags.find(tagName);
if (!tag) return;
let body = tag.body;
// Substitute variables (matched with Knub's argument parser -> supports quotes etc.)
const variableStr = msg.data.content.slice(prefix.length + tagName.length).trim();
const variableValues = this.commands.parseArguments(variableStr).map(v => v.value);
let variableIndex = 0;
body = body.replace(/(?<!\\)%[a-zA-Z]+/g, () => variableValues[variableIndex++] || "");
// Run functions
body = body.replace(/(?<!\\)\{([a-zA-Z]+)(\:(.+?))?\}/, (_, fn, args) => {
if (!TAG_FUNCTIONS[fn]) return "";
const fnArgs = args ? args.slice(1).split(/(?<!\\):/) : [];
try {
return TAG_FUNCTIONS[fn].apply(null, fnArgs);
} catch (e) {
return "";
}
});
const channel = this.guild.channels.get(msg.channel_id) as TextChannel;
const responseMsg = await channel.createMessage(tag.body);
const responseMsg = await channel.createMessage(body);
// Save the command-response message pair once the message is in our database
if (this.configValueForMemberIdAndChannelId(msg.user_id, msg.channel_id, "delete_with_command")) {