admin can soft delete listings

backend/models/Item.js

@@ -141,6 +141,26 @@ const Item = sequelize.define("Item", {
       key: "id",
     },
   },
+  isDeleted: {
+    type: DataTypes.BOOLEAN,
+    defaultValue: false,
+  },
+  deletedBy: {
+    type: DataTypes.UUID,
+    allowNull: true,
+    references: {
+      model: "Users",
+      key: "id",
+    },
+  },
+  deletedAt: {
+    type: DataTypes.DATE,
+    allowNull: true,
+  },
+  deletionReason: {
+    type: DataTypes.TEXT,
+    allowNull: true,
+  },
 });
 
 module.exports = Item;

backend/models/index.js

@@ -13,6 +13,7 @@ const Feedback = require("./Feedback");
 
 User.hasMany(Item, { as: "ownedItems", foreignKey: "ownerId" });
 Item.belongsTo(User, { as: "owner", foreignKey: "ownerId" });
+Item.belongsTo(User, { as: "deleter", foreignKey: "deletedBy" });
 
 User.hasMany(Rental, { as: "rentalsAsRenter", foreignKey: "renterId" });
 User.hasMany(Rental, { as: "rentalsAsOwner", foreignKey: "ownerId" });