ADD: category model

components/category/categoryModel.js

@@ -0,0 +1,28 @@
+const mongoose = require('mongoose')
+const ObjectID = mongoose.Schema.Types.ObjectId
+
+const categorySchema = new mongoose.Schema(
+    {
+        nativeName: {
+            type: String,
+            required: true,
+        },
+        englishName: {
+            type: String,
+            required: true,
+            unique: true,
+        },
+        parentId: {
+            type: ObjectID,
+            ref: 'Category',
+        },
+    },
+    {
+        toJSON: { virtuals: true },
+        toObject: { virtuals: true },
+        timestamps: true,
+    }
+)
+
+const Category = mongoose.model('Category', categorySchema)
+module.exports = Category