Add Tags plugin

migrations/20180805011100_create_tags_table.js

@@ -0,0 +1,17 @@
+exports.up = async function(knex) {
+  if (! await knex.schema.hasTable('tags')) {
+    await knex.schema.createTable('tags', table => {
+      table.bigInteger('guild_id').unsigned().notNullable();
+      table.string('tag', 64).notNullable();
+      table.bigInteger('user_id').unsigned().notNullable();
+      table.text('body').notNullable();
+      table.dateTime('created_at').defaultTo(knex.raw('NOW()'));
+
+      table.primary(['guild_id', 'tag']);
+    });
+  }
+};
+
+exports.down = async function(knex) {
+  await knex.schema.dropTableIfExists('tags');
+};

src/data/GuildTags.ts

@@ -0,0 +1,48 @@
+import knex from "../knex";
+import moment from "moment-timezone";
+import Tag from "../models/Tag";
+
+export class GuildTags {
+  protected guildId: string;
+
+  constructor(guildId) {
+    this.guildId = guildId;
+  }
+
+  async find(tag): Promise<Tag> {
+    const result = await knex("tags")
+      .where("guild_id", this.guildId)
+      .where("tag", tag)
+      .first();
+
+    return result ? new Tag(result) : null;
+  }
+
+  async createOrUpdate(tag, body, userId) {
+    const existingTag = await this.find(tag);
+    if (existingTag) {
+      await knex("tags")
+        .where("guild_id", this.guildId)
+        .where("tag", tag)
+        .update({
+          body,
+          user_id: userId,
+          created_at: knex.raw("NOW()")
+        });
+    } else {
+      await knex("tags").insert({
+        guild_id: this.guildId,
+        user_id: userId,
+        tag,
+        body
+      });
+    }
+  }
+
+  async delete(tag) {
+    await knex("tags")
+      .where("guild_id", this.guildId)
+      .where("tag", tag)
+      .delete();
+  }
+}

src/index.ts

@@ -23,7 +23,13 @@ moment.tz.setDefault("UTC");
 
 import { Client } from "eris";
 import { Knub, logger } from "knub";
+import knex from "./knex";
+
+// Global plugins
 import { BotControlPlugin } from "./plugins/BotControl";
+import { LogServerPlugin } from "./plugins/LogServer";
+
+// Guild plugins
 import { ModActionsPlugin } from "./plugins/ModActions";
 import { UtilityPlugin } from "./plugins/Utility";
 import { LogsPlugin } from "./plugins/Logs";
@@ -32,8 +38,7 @@ import { ReactionRolesPlugin } from "./plugins/ReactionRoles";
 import { CensorPlugin } from "./plugins/Censor";
 import { PersistPlugin } from "./plugins/Persist";
 import { SpamPlugin } from "./plugins/Spam";
-import { LogServerPlugin } from "./plugins/LogServer";
-import knex from "./knex";
+import { TagsPlugin } from "./plugins/Tags";
 
 // Run latest database migrations
 logger.info("Running database migrations");
@@ -52,7 +57,8 @@ knex.migrate.latest().then(() => {
       reaction_roles: ReactionRolesPlugin,
       censor: CensorPlugin,
       persist: PersistPlugin,
-      spam: SpamPlugin
+      spam: SpamPlugin,
+      tags: TagsPlugin
     },
     globalPlugins: {
       bot_control: BotControlPlugin,

src/models/Tag.ts

@@ -0,0 +1,9 @@
+import Model from "./Model";
+
+export default class Tag extends Model {
+  public guild_id: string;
+  public tag: string;
+  public user_id: string;
+  public body: string;
+  public created_at: string;
+}

src/plugins/Tags.ts

@@ -0,0 +1,73 @@
+import { Plugin, decorators as d } from "knub";
+import { Channel, Message, TextChannel } from "eris";
+import { errorMessage, successMessage } from "../utils";
+import { GuildTags } from "../data/GuildTags";
+
+export class TagsPlugin extends Plugin {
+  protected tags: GuildTags;
+
+  getDefaultOptions() {
+    return {
+      config: {
+        prefix: "!!"
+      },
+
+      permissions: {
+        create: false,
+        use: true
+      },
+
+      overrides: [
+        {
+          level: ">=50",
+          permissions: {
+            create: true
+          }
+        }
+      ]
+    };
+  }
+
+  onLoad() {
+    this.tags = new GuildTags(this.guildId);
+  }
+
+  @d.command("tag", "<tag:string> <body:string$>")
+  @d.permission("create")
+  async tagCmd(msg: Message, args: { tag: string; body: string }) {
+    await this.tags.createOrUpdate(args.tag, args.body, msg.author.id);
+
+    const prefix = this.configValue("prefix");
+    msg.channel.createMessage(successMessage(`Tag set! Use it with: \`${prefix}${args.tag}\``));
+  }
+
+  @d.command("tag_delete", "<tag:string>")
+  @d.permission("create")
+  async deleteTagCmd(msg: Message, args: { tag: string }) {
+    const tag = await this.tags.find(args.tag);
+    if (!tag) {
+      msg.channel.createMessage(errorMessage("No tag with that name"));
+      return;
+    }
+
+    await this.tags.delete(args.tag);
+    msg.channel.createMessage(successMessage("Tag deleted!"));
+  }
+
+  @d.event("messageCreate")
+  @d.permission("use")
+  async onMessageCreate(msg: Message) {
+    if (!msg.content) return;
+    if (msg.type !== 0) return;
+    if (!msg.author || msg.author.bot) return;
+
+    const prefix = this.configValueForMsg(msg, "prefix");
+    if (!msg.content.startsWith(prefix)) return;
+
+    const withoutPrefix = msg.content.slice(prefix.length);
+    const tag = await this.tags.find(withoutPrefix);
+    if (!tag) return;
+
+    msg.channel.createMessage(tag.body);
+  }
+}

src/utils.ts

@@ -74,8 +74,8 @@ export function stripObjectToScalars(obj, includedNested: string[] = []) {
 
 const stringFormatRegex = /{([^{}]+?)}/g;
 export function formatTemplateString(str: string, values) {
-  return str.replace(stringFormatRegex, (match, val) => {
-    const value = at(values, val)[0];
+  return str.replace(stringFormatRegex, (match, prop) => {
+    const value = at(values, prop)[0];
     return typeof value === "string" || typeof value === "number" ? String(value) : "";
   });
 }