Uib command to end TA role

src/commands/uib/endta.ts

@@ -0,0 +1,58 @@
+import { SlashCommandBuilder } from "@discordjs/builders";
+import { CommandInteraction, GuildMember} from "discord.js";
+
+import { DiscordClient, SlashCommandHandler } from "../../client";
+import { getCourse } from "../../utils/courses";
+import logger from "../../utils/logger";
+
+export default class EndTaCommand extends SlashCommandHandler {
+  builder = new SlashCommandBuilder()
+    .setName("sluttgruppeleder")
+    .setDescription("Remove me as a group leader for a course")
+    .addStringOption((option) => option.setName("subject").setDescription("Subject to end TA status in").setRequired(true));
+
+  async handle(interaction: CommandInteraction, _client: DiscordClient): Promise<void> {
+    const inputSubject = interaction.options.getString("subject", true).toUpperCase().trim();
+    const courseId = inputSubject.toLowerCase();
+
+    const course = await getCourse(inputSubject);
+    if (!course) {
+      return interaction.reply({
+        content: `Sorry, no course with the code ${inputSubject} found... try again`,
+        ephemeral: true,
+      });
+    }
+
+    const guild = interaction.guild;
+    if (!guild) {
+      logger.error("Command was somehow performed outside of guild");
+      return;
+    }
+    const user = interaction.member;
+    if (!(user instanceof GuildMember)) {
+      logger.error("User is somehow not a guild member");
+      return;
+    }
+
+    const role = guild.roles.cache.find((role) => role.name === `gruppeleder-${courseId}`);
+    if (!role) {
+      logger.error({
+        message: `Could not get role for ${courseId}`,
+      });
+      return interaction.reply({
+        content: `It seems no one is a TA in this course, please make sure you wrote it correctly or tell an admin`,
+        ephemeral: true,
+      });
+    }
+
+    if (!user.roles.cache.has(role.id)) {
+      return interaction.reply(`You're not a TA in ${courseId}`);
+    } else {
+      await user.roles.remove(role);
+
+      logger.info(`Removed ${user.displayName} as a TA from ${courseId}`);
+
+      return interaction.reply(`You are now no longer a TA in ${courseId}: ${course.name_en}`);
+    }
+  }
+}