guild specific banking data

structures/bank.js

@@ -0,0 +1,41 @@
+const mongoose = require('mongoose');
+
+let bankSchema = mongoose.Schema({
+  banking: {
+    userID: String,
+    guilds: {}
+  }
+});
+
+bankSchema.methods.createBank = function (userID, guildID, startingBalance) {
+  this.banking.userID = userID;
+  const newGuild = {
+    account: {
+      balance: startingBalance,
+      cash: 0.00,
+    }
+  };
+  this.bank.guilds[guildID] = newGuild
+};
+
+// This function is to add a new guild specific inventory to an already existing
+// inventory document
+function addBank(guilds, guildID, userID, client, startingBalance) {
+  let updatedGuilds = guilds;
+  updatedGuilds[guildID] = {
+    account: {
+      balance: startingBalance,
+      cash: 0.00,
+    }
+  }
+
+  client.dbo.collection("banking").updateOne({"banking.userID":userID}, {$set: {"banking.guilds": updatedGuilds}}, function(err, res) {
+    if (err) return false
+  })
+  return true
+}
+
+module.exports = {
+  Bank: mongoose.model('Bank', bankSchema),
+  addBank: addBank,
+};