Created models

src/models/Level.js

@@ -0,0 +1,48 @@
+const mongoose = require("mongoose");
+
+const schema = new mongoose.Schema(
+  {
+    name: {
+      required: true,
+      type: String,
+      trim: true,
+    },
+    number: {
+      required: true,
+      type: String,
+      trim: true,
+    },
+    specs: {
+      // TODO: TBD
+      type: String,
+      trim: true,
+    },
+    sub_levels: [
+      {
+        type: {
+          required: true,
+          type: String,
+          enum: ["POSITION", "BIN", "PALLET"], // TODO: Add to constant file
+        },
+        depth: {
+          required: true,
+          type: Number,
+          min: 1, // Level is at 0
+          max: 5,
+        },
+        reference_id: {
+          required: true,
+          type: mongoose.Schema.Types.ObjectId,
+          ref: "Sublevel",
+        },
+      },
+    ],
+  },
+  {
+    timestamps: true,
+  }
+);
+
+const Level = mongoose.model("Level", schema);
+
+module.exports = Level;