add inventory, give and admingive commands. Handle user records in database and minor bugfixes

bot/commands/inventory.ts

@@ -0,0 +1,26 @@
+import { Command, sendMessage } from ".";
+import { getUserRecord } from "../db/dbUser";
+import parseCommandArgs from "../lib/parseCommandArgs";
+import { User } from "../user";
+import items from "../items";
+
+export default new Command('inventory', ['inv', 'inventory'], [], async (msg, user) => {
+  const args = parseCommandArgs(msg.messageText);
+  let target: User = user;
+  if (args[0]) {
+    const obj = await User.initUsername(args[0].toLowerCase());
+    if (!obj) { await sendMessage(`User ${args[0]} doesn't exist`, msg.messageId); return; };
+    target = obj;
+  };
+
+  const data = await getUserRecord(target);
+  const messagedata: string[] = [];
+  for (const [key, amount] of Object.entries(data.inventory)) {
+    if (amount === 0) continue;
+    const itemselection = items.get(key);
+    messagedata.push(`${itemselection?.prettyName}${amount === 1 ? '' : itemselection?.plural}: ${amount}`);
+  };
+
+  if (messagedata.length === 0) { await sendMessage(`${target.displayName} has no items`, msg.messageId); return; };
+  await sendMessage(`Inventory of ${target.displayName}: ${messagedata.join(', ')}`, msg.messageId);
+});