Add warning command

src/utils/channel-utils.ts

@@ -0,0 +1,8 @@
+import { Channel, GuildBasedChannel, GuildChannel, GuildTextBasedChannel, TextBasedChannel, VoiceBasedChannel } from 'discord.js';
+import { Database } from '../shared/Database';
+
+export async function channelIsInStaffCategory(channel: GuildBasedChannel) {
+  const staffCategories = await Database.getGuildStaffCategories(channel.guildId);
+
+  return staffCategories.includes(channel.parentId!);
+}

src/utils/index.ts

@@ -1,5 +1,6 @@
 export * from './array-utils';
 export * from './audit-log-utils';
+export * from './channel-utils';
 export * from './commands';
 export * from './e621-ticket-listener';
 export * from './e621-utils';
@@ -8,4 +9,6 @@ export * from './message-utils';
 export * from './ms-to-human';
 export * from './refresh-commands';
 export * from './string-utils';
+export * from './ticket-utils';
 export * from './wait';
+export * from './warning-utils';

src/utils/warning-utils.ts

@@ -0,0 +1,51 @@
+import { ActionRowBuilder, APIEmbedField, ButtonBuilder, ButtonStyle, EmbedBuilder, GuildMember, MessageActionRowComponentBuilder, time } from 'discord.js';
+import { Database } from '../shared/Database';
+import { Warning } from '../types';
+
+type MessageContent = { content: string, components: ActionRowBuilder<ButtonBuilder>[] };
+
+const WARNINGS_PER_PAGE = 5;
+
+function getWarningText(warning: Warning): string {
+  const timestamp = time(new Date(warning.timestamp));
+
+  return `### Warning from <@${warning.mod_id}> (${timestamp}):\n${warning.reason}`;
+}
+
+export async function getWarningMessage(userId: string, page: number): Promise<MessageContent | null> {
+  const warnings = await Database.getWarnings(userId);
+
+  page = page - 1;
+
+  const maxPage = Math.floor(warnings.length / WARNINGS_PER_PAGE);
+
+  if (warnings.length == 0) return null;
+
+  const warningTexts: string[] = [];
+
+  for (let i = page * WARNINGS_PER_PAGE; i < page * WARNINGS_PER_PAGE + WARNINGS_PER_PAGE; i++) {
+    if (i >= warnings.length) break;
+
+    warningTexts.push(getWarningText(warnings[i]));
+  }
+
+  const prevPage = new ButtonBuilder()
+    .setLabel('Previous Page')
+    .setCustomId(`warning-previous_${userId}_${page + 1}`)
+    .setDisabled(page == 0)
+    .setStyle(ButtonStyle.Primary);
+
+  const nextPage = new ButtonBuilder()
+    .setLabel('Next Page')
+    .setCustomId(`warning-next_${userId}_${page + 1}`)
+    .setDisabled(page >= maxPage)
+    .setStyle(ButtonStyle.Primary);
+
+  const row = new ActionRowBuilder<ButtonBuilder>()
+    .addComponents(prevPage, nextPage);
+
+  return {
+    content: `<@${userId}>'s Warnings\n` + warningTexts.join('\n\n') + `\n\n-# Page ${page + 1}/${maxPage + 1}`,
+    components: [row]
+  };
+}