diff --git a/src/controller/item.controller.js b/src/controller/item.controller.js
index fc5683e..d5f2ee5 100644
--- a/src/controller/item.controller.js
+++ b/src/controller/item.controller.js
@@ -2,6 +2,18 @@ const mongoose = require("mongoose");
 const Item = require("../models/Item");
 const WidgetFamily = require("../models/WidgetFamily");
 const Inventory = require("../models/Inventory");
+const {
+  PickItemTransaction,
+  PutItemTransaction,
+  ReserveItemTransaction,
+  // CheckInItemTransaction,
+  // CheckOutItemTransaction,
+  // ReportItemTransaction,
+  // AdjustItemTransaction,
+} = require("../models/ItemTransaction");
+
+const ItemAssociation = require("../models/ItemAssociation");
+const Sublevel = require("../models/Sublevel");
 const { InventoryTypes } = require("../config/constants");
 
 module.exports = {
@@ -195,13 +207,115 @@ module.exports = {
     }
   },
   pickItem: async (req, res, next) => {
-    res.status(500).send({ success: false, error: "Not Implemented" });
+    try {
+      const { id } = req.params;
+      if (!id || mongoose.isValidObjectId(id)) {
+        res.status(400).send("Missing/Invalid id param");
+        return;
+      }
+
+      const item = await Item.findById(id);
+      if (!item) {
+        res.status(404).send("item not found");
+        return;
+      }
+
+      const { putQuantity, subLevel } = req.body;
+      if (!(putQuantity && putQuantity > 0) || !(subLevel && mongoose.isValidObjectId(subLevel))) {
+        res.status(400).send("Invalid value for putQuantity/subLevel");
+        return;
+      }
+
+      const subLevelObj = await Sublevel.findById(subLevel);
+      const itemAssociation = await ItemAssociation.findOne({ item_id: item._id, sub_level_id: subLevelObj._id });
+      itemAssociation.totalQuantity = itemAssociation.totalQuantity + putQuantity;
+      itemAssociation.availableQuantity = itemAssociation.availableQuantity + putQuantity;
+      await itemAssociation.save();
+
+      await PickItemTransaction.create({
+        type: "PICK",
+        performedOn: item,
+        performedBy: res.locals.user,
+        putQuantity: putQuantity,
+        subLevel: subLevelObj,
+      });
+    } catch (error) {
+      next(error);
+    }
   },
   putItem: async (req, res, next) => {
-    res.status(500).send({ success: false, error: "Not Implemented" });
+    try {
+      const { id } = req.params;
+      if (!id || mongoose.isValidObjectId(id)) {
+        res.status(400).send("Missing/Invalid id param");
+        return;
+      }
+
+      const item = await Item.findById(id);
+      if (!item) {
+        res.status(404).send("item not found");
+        return;
+      }
+
+      const { pickupQuantity, subLevel } = req.body;
+      if (!(pickupQuantity && pickupQuantity > 0) || !(subLevel && mongoose.isValidObjectId(subLevel))) {
+        res.status(400).send("Invalid value for pickupQuantity/subLevel");
+        return;
+      }
+
+      const subLevelObj = await Sublevel.findById(subLevel);
+      const itemAssociation = await ItemAssociation.findOne({ item_id: item._id, sub_level_id: subLevelObj._id });
+      itemAssociation.totalQuantity = itemAssociation.totalQuantity - pickupQuantity;
+      itemAssociation.availableQuantity = itemAssociation.availableQuantity - pickupQuantity;
+      await itemAssociation.save();
+
+      await PutItemTransaction.create({
+        type: "PUT",
+        performedOn: item,
+        performedBy: res.locals.user,
+        pickupQuantity: pickupQuantity,
+        subLevel: subLevelObj,
+      });
+    } catch (error) {
+      next(error);
+    }
   },
   reserveItem: async (req, res, next) => {
-    res.status(500).send({ success: false, error: "Not Implemented" });
+    try {
+      const { id } = req.params;
+      if (!id || mongoose.isValidObjectId(id)) {
+        res.status(400).send("Missing/Invalid id param");
+        return;
+      }
+
+      const item = await Item.findById(id);
+      if (!item) {
+        res.status(404).send("item not found");
+        return;
+      }
+
+      const { reserveQuantity, job, pickupDate } = req.body;
+      if (!(reserveQuantity && reserveQuantity > 0) || !(job && mongoose.isValidObjectId(job)) || !(pickupDate && Date.parse(pickupDate))) {
+        res.status(400).send("Invalid value for reserveQuantity/job/pickupDate");
+        return;
+      }
+
+      const itemAssociation = await ItemAssociation.findOne({ item_id: item._id, availableQuantity: { $gte: reserveQuantity } });
+      itemAssociation.reservedQuantity = itemAssociation.reservedQuantity + reserveQuantity;
+      itemAssociation.availableQuantity = itemAssociation.availableQuantity - reserveQuantity;
+      await itemAssociation.save();
+
+      await ReserveItemTransaction.create({
+        type: "PUT",
+        performedOn: item,
+        performedBy: res.locals.user,
+        reserveQuantity: reserveQuantity,
+        job: job,
+        pickupDate: Date.parse(pickupDate),
+      });
+    } catch (error) {
+      next(error);
+    }
   },
   checkInItem: async (req, res, next) => {
     res.status(500).send({ success: false, error: "Not Implemented" });
diff --git a/src/controller/item.router.js b/src/controller/item.router.js
index 174f0b1..83e4b94 100644
--- a/src/controller/item.router.js
+++ b/src/controller/item.router.js
@@ -1,6 +1,6 @@
 const router = require("express").Router();
 const controller = require("./item.controller");
-const { ItemTransactionCheck } = require("./utils/authorize");
+const { AuthenticateMiddleware, ItemTransactionCheck } = require("./utils/authorize");
 /**
  * @route /item/
  */
@@ -24,36 +24,36 @@ router.get("/:id", controller.getItemByID);
 /**
  * @route /item/:id/pick
  */
-router.post("/:id/pick", ItemTransactionCheck, controller.pickItem);
+router.post("/:id/pick", AuthenticateMiddleware, ItemTransactionCheck, controller.pickItem);
 
 /**
  * @route /item/:id/put
  */
-router.post("/:id/put", ItemTransactionCheck, controller.putItem);
+router.post("/:id/put", AuthenticateMiddleware, ItemTransactionCheck, controller.putItem);
 
 /**
  * @route /item/:id/reserve
  */
-router.post("/:id/reserve", ItemTransactionCheck, controller.reserveItem);
+router.post("/:id/reserve", AuthenticateMiddleware, ItemTransactionCheck, controller.reserveItem);
 
 /**
  * @route /item/:id/check-in
  */
-router.post("/:id/check-in", ItemTransactionCheck, controller.checkInItem);
+router.post("/:id/check-in", AuthenticateMiddleware, ItemTransactionCheck, controller.checkInItem);
 
 /**
  * @route /item/:id/check-out
  */
-router.post("/:id/check-out", ItemTransactionCheck, controller.checkOutItem);
+router.post("/:id/check-out", AuthenticateMiddleware, ItemTransactionCheck, controller.checkOutItem);
 
 /**
  * @route /item/:id/report
  */
-router.post("/:id/report", ItemTransactionCheck, controller.reportItem);
+router.post("/:id/report", AuthenticateMiddleware, ItemTransactionCheck, controller.reportItem);
 
 /**
  * @route /item/:id/adjust
  */
-router.post("/:id/adjust", ItemTransactionCheck, controller.adjustItem);
+router.post("/:id/adjust", AuthenticateMiddleware, ItemTransactionCheck, controller.adjustItem);
 
 module.exports = router;
diff --git a/src/models/ItemAssociation.js b/src/models/ItemAssociation.js
index e84cc94..448e465 100644
--- a/src/models/ItemAssociation.js
+++ b/src/models/ItemAssociation.js
@@ -10,7 +10,15 @@ const schema = new mongoose.Schema(
       type: mongoose.Schema.Types.ObjectId,
       ref: "Sublevel",
     },
-    quantity: {
+    totalQuantity: {
+      type: Number,
+      default: 0,
+    },
+    reservedQuantity: {
+      type: Number,
+      default: 0,
+    },
+    availableQuantity: {
       type: Number,
       default: 0,
     },
diff --git a/src/models/ItemTransaction.js b/src/models/ItemTransaction.js
index e955756..708e7bd 100644
--- a/src/models/ItemTransaction.js
+++ b/src/models/ItemTransaction.js
@@ -33,6 +33,10 @@ const PutItemTransaction = ItemTransaction.discriminator(
       type: Number,
       required: true,
     },
+    subLevel: {
+      type: mongoose.Schema.Types.ObjectId,
+      ref: "Sublevel"
+    },
   })
 );
 
@@ -43,6 +47,10 @@ const PickItemTransaction = ItemTransaction.discriminator(
       type: Number,
       required: true,
     },
+    subLevel: {
+      type: mongoose.Schema.Types.ObjectId,
+      ref: "Sublevel",
+    },
   })
 );