feat(settings): add settings command

src/commands/settings.command.ts

@@ -0,0 +1,56 @@
+import { command } from '@/core/commands'
+import { DEFAULT_COMMAND_PREFIX } from '@/env'
+import { logger } from '@/core/logger'
+import { getSetting, setSetting } from '@/lib/settings'
+
+export default command({
+  command: 'settings',
+  aliases: ['set', 'setting'],
+  description: 'Update settings for the bot (admin only)',
+  examples: [
+    `\`${DEFAULT_COMMAND_PREFIX}settings <key>\` - get setting value`,
+    `\`${DEFAULT_COMMAND_PREFIX}settings [-f] <key> <value>\` - set setting value. (add \`-f\` flag to force setting this key even if it doesn't exist yet).`,
+  ],
+  adminOnly: true,
+  async execute(message, args) {
+    let key: string,
+      value: string | null = null,
+      force = false
+    if (args.length === 1) {
+      key = args[0]
+    } else if (args.length === 2) {
+      key = args[0]
+      value = args[1]
+    } else if (args.length === 3) {
+      if (args[0] === '-f') {
+        force = true
+        key = args[1]
+        value = args[2]
+      } else {
+        return message.reply(`Invalid arguments. See \`${DEFAULT_COMMAND_PREFIX}help settings\``)
+      }
+    } else {
+      return message.reply(`Invalid arguments. See \`${DEFAULT_COMMAND_PREFIX}help settings\``)
+    }
+
+    if (!key) {
+      return message.reply(`Invalid arguments. See \`${DEFAULT_COMMAND_PREFIX}help settings\``)
+    }
+
+    if (value == null) {
+      const value = await getSetting(key)
+      return message.reply(`\`${key}\` is set to \`${value}\``)
+    }
+
+    if (!force) {
+      const exists = await getSetting(key)
+      if (!exists) {
+        return message.reply(`Key \`${key}\` does not exist. Use \`-f\` to force setting this key`)
+      }
+    }
+
+    await setSetting(key, value)
+    logger.info(`Setting \`${key}\` updated to \`${value}\``)
+    return message.reply(`Setting \`${key}\` updated to \`${value}\``)
+  },
+})