feat: add button to acknowledge reminders

src/index.ts

@@ -10,6 +10,7 @@ import {
   GatewayIntentBits,
   Events,
 } from "discord.js";
+import { processButton } from "./modules/processButton.js";
 import { processInteraction } from "./modules/processInteraction.js";
 import { processMessage } from "./server/processMessage.js";
 import { instantiateServer } from "./server/serve.js";
@@ -36,10 +37,12 @@ caelia.on(Events.MessageCreate, (message) => {
 
 caelia.on(Events.InteractionCreate, (interaction) => {
   void analytics.logGatewayEvent(Events.InteractionCreate, { ...interaction });
-  if (!interaction.isChatInputCommand()) {
+  if (interaction.isChatInputCommand()) {
-    return;
+    void processInteraction(interaction);
+  }
+  if (interaction.isButton()) {
+    void processButton(interaction);
   }
-  void processInteraction(interaction);
 });
 
 await caelia.login(process.env.BOT_TOKEN);

src/modules/processButton.ts

@@ -0,0 +1,47 @@
+/**
+ * @copyright NHCarrigan
+ * @license Naomi's Public License
+ * @author Naomi Carrigan
+ */
+
+import { logger } from "../utils/logger.js";
+import type {
+  ButtonInteraction,
+} from "discord.js";
+
+/**
+ * Handles a slash command. Only responds with the about information,
+ * because that's all we need.
+ * @param interaction - The interaction payload from Discord.
+ */
+
+/**
+ * Handles a button interaction. If the user is not the author of the reminder,
+ * they cannot acknowledge it.
+ * @param interaction - The interaction payload from Discord.
+ */
+export const processButton = async(
+  interaction: ButtonInteraction,
+): Promise<void> => {
+  try {
+    await interaction.deferReply();
+    const { customId, user, message } = interaction;
+    if (customId !== user.id) {
+      await interaction.reply({
+        content:   "You cannot acknowledge someone else's reminder.",
+        ephemeral: true,
+      });
+    }
+    await message.delete();
+    await interaction.editReply({
+      content: "Acknowledged!",
+    });
+  } catch (error) {
+    if (error instanceof Error) {
+      await logger.error("process interaction module", error);
+    }
+    await interaction.editReply({
+      content: "Oh dear, something went wrong.",
+    });
+  }
+};

src/server/processMessage.ts

@@ -62,6 +62,14 @@ export const processMessage = async(message: Message): Promise<void> => {
           },
           {
             components: [
+              {
+                // eslint-disable-next-line @typescript-eslint/naming-convention -- Discord API
+                custom_id: author.id,
+                disabled:  false,
+                label:     "Okie Dokie!",
+                style:     3,
+                type:      2,
+              },
               {
                 label: "Is this inaccurate? Let us know!",
                 style: 5,