feat: add internal role manager plugin; add role buttons plugin

backend/src/data/GuildRoleButtons.ts

@@ -0,0 +1,39 @@
+import { getRepository, Repository } from "typeorm";
+import { Reminder } from "./entities/Reminder";
+import { BaseRepository } from "./BaseRepository";
+import moment from "moment-timezone";
+import { DBDateFormat } from "../utils";
+import { BaseGuildRepository } from "./BaseGuildRepository";
+import { RoleQueueItem } from "./entities/RoleQueueItem";
+import { connection } from "./db";
+import { RoleButtonsItem } from "./entities/RoleButtonsItem";
+
+export class GuildRoleButtons extends BaseGuildRepository {
+  private roleButtons: Repository<RoleButtonsItem>;
+
+  constructor(guildId) {
+    super(guildId);
+    this.roleButtons = getRepository(RoleButtonsItem);
+  }
+
+  getSavedRoleButtons(): Promise<RoleButtonsItem[]> {
+    return this.roleButtons.find({ guild_id: this.guildId });
+  }
+
+  async deleteRoleButtonItem(name: string): Promise<void> {
+    await this.roleButtons.delete({
+      guild_id: this.guildId,
+      name,
+    });
+  }
+
+  async saveRoleButtonItem(name: string, channelId: string, messageId: string, hash: string): Promise<void> {
+    await this.roleButtons.insert({
+      guild_id: this.guildId,
+      name,
+      channel_id: channelId,
+      message_id: messageId,
+      hash,
+    });
+  }
+}