From 1bdf7356d8f01b59c84a62b70fe7ba9e4f7d75cc Mon Sep 17 00:00:00 2001
From: keannu125 <noehbernasol0@gmail.com>
Date: Mon, 6 Mar 2023 22:30:35 +0800
Subject: [PATCH] Added quantity editing to inventory

---
 src/Components/Api/Api.tsx                    |  17 ++-
 .../InventoryPage/RowRenderer/RowRenderer.tsx |  35 +++++
 .../StockRenderer/StockRenderer.tsx           | 126 ++++++++++--------
 src/Interfaces/Interfaces.tsx                 |   3 +-
 src/routes/Inventory/Inventory.tsx            |  68 +++++++---
 5 files changed, 168 insertions(+), 81 deletions(-)
 create mode 100644 src/Components/InventoryPage/RowRenderer/RowRenderer.tsx

diff --git a/src/Components/Api/Api.tsx b/src/Components/Api/Api.tsx
index 2c89ce1..026a6c3 100644
--- a/src/Components/Api/Api.tsx
+++ b/src/Components/Api/Api.tsx
@@ -35,15 +35,20 @@ export function GetProduct(id: number) {
     });
 }
 
-export function UpdateProduct(note: UpdateProductParams) {
+export function UpdateProduct(product: UpdateProductParams) {
   const token = JSON.parse(localStorage.getItem("token") || "{}");
   return axios
-    .patch("http://localhost:8000/api/v1/products/" + note.id + "/", note, {
-      headers: {
-        Authorization: "Token " + token,
-      },
-    })
+    .patch(
+      "http://localhost:8000/api/v1/products/" + product.id + "/",
+      product,
+      {
+        headers: {
+          Authorization: "Token " + token,
+        },
+      }
+    )
     .then((response) => {
+      console.log("Product update successful", response.data);
       return response.data;
     })
     .catch((error) => {
diff --git a/src/Components/InventoryPage/RowRenderer/RowRenderer.tsx b/src/Components/InventoryPage/RowRenderer/RowRenderer.tsx
new file mode 100644
index 0000000..82e92a6
--- /dev/null
+++ b/src/Components/InventoryPage/RowRenderer/RowRenderer.tsx
@@ -0,0 +1,35 @@
+import * as React from "react";
+import { ProductList } from "../../../Interfaces/Interfaces";
+import styles from "../../../styles";
+import { TableBody, TableRow, TableCell } from "@mui/material";
+import StockRenderer from "../StockRenderer/StockRenderer";
+
+export default function RowRenderer(props: ProductList) {
+  if (props.Products.length === 0) {
+    return (
+      <div style={{ ...styles.content_column, ...{ alignItems: "center" } }}>
+        <p style={{ ...styles.text_white, ...styles.text_L }}>
+          No products yet. Add one!
+        </p>
+      </div>
+    );
+  }
+  return (
+    <TableBody>
+      {props.Products.map((row) => (
+        <TableRow
+          key={row.id}
+          sx={{ "&:last-child td, &:last-child th": { border: 0 } }}
+        >
+          <TableCell style={{ ...styles.text_white, ...styles.text_S }}>
+            {row.id}
+          </TableCell>
+          <TableCell style={{ ...styles.text_white, ...styles.text_S }}>
+            {row.name}
+          </TableCell>
+          {StockRenderer(row)}
+        </TableRow>
+      ))}
+    </TableBody>
+  );
+}
diff --git a/src/Components/InventoryPage/StockRenderer/StockRenderer.tsx b/src/Components/InventoryPage/StockRenderer/StockRenderer.tsx
index e81b975..8e79b18 100644
--- a/src/Components/InventoryPage/StockRenderer/StockRenderer.tsx
+++ b/src/Components/InventoryPage/StockRenderer/StockRenderer.tsx
@@ -1,63 +1,73 @@
-import { TableCell } from "@mui/material";
-import { useState } from "react";
+import { Button, TableCell } from "@mui/material";
+import { useEffect, useState } from "react";
 import styles from "../../../styles";
 import IsNumber from "../IsNumber/IsNumber";
+import { UpdateProduct } from "../../Api/Api";
+import { useQueryClient, useMutation } from "react-query";
+import { Product } from "../../../Interfaces/Interfaces";
 
-export default function StockRenderer(in_stock: number) {
-  const [stock, setStock] = useState(in_stock);
-  if (stock >= 0 && stock <= 3) {
-    return (
-      <TableCell>
-        <input
-          style={{
-            ...styles.text_red,
-            ...{ border: "none", background: "none" },
-            ...styles.text_S,
-          }}
-          value={stock}
-          onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-            if (IsNumber(e.target.value)) {
-              setStock(parseInt(e.target.value));
-            }
-          }}
-        />
-      </TableCell>
-    );
-  } else if (stock >= 4 && stock < 9) {
-    return (
-      <TableCell>
-        <input
-          style={{
-            ...styles.text_orange,
-            ...{ border: "none", background: "none" },
-            ...styles.text_S,
-          }}
-          value={stock}
-          onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-            if (IsNumber(e.target.value)) {
-              setStock(parseInt(e.target.value));
-            }
-          }}
-        />
-      </TableCell>
-    );
-  } else {
-    return (
-      <TableCell>
-        <input
-          style={{
-            ...styles.text_green,
-            ...{ border: "none", background: "none" },
-            ...styles.text_S,
-          }}
-          value={stock}
-          onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
-            if (IsNumber(e.target.value)) {
-              setStock(parseInt(e.target.value));
-            }
-          }}
-        />
-      </TableCell>
-    );
+export default function StockRenderer(product: Product) {
+  const [stock, setStock] = useState(product.quantity);
+  const [valueChanged, setValueChanged] = useState(false);
+  const queryClient = useQueryClient();
+  const mutation = useMutation({
+    mutationFn: UpdateProduct,
+    onSuccess: () => {
+      queryClient.invalidateQueries("products");
+    },
+  });
+
+  function updateQuantity() {
+    mutation.mutate({
+      id: product.id,
+      name: product.name,
+      quantity: stock,
+    });
+    setValueChanged(false);
   }
+  useEffect(() => {
+    if (stock !== product.quantity) {
+      setValueChanged(true);
+    } else if (stock === product.quantity) {
+      setValueChanged(false);
+    }
+  }, [stock]);
+  let style;
+  if (stock >= 0 && stock <= 3) {
+    style = styles.text_red;
+  } else if (stock >= 4 && stock < 9) {
+    style = styles.text_orange;
+  } else {
+    style = styles.text_green;
+  }
+  return (
+    <TableCell>
+      <div style={styles.content_row}>
+        <input
+          style={{
+            ...style,
+            ...{ border: "none", background: "none", width: 64 },
+            ...styles.text_S,
+          }}
+          value={stock}
+          onChange={(e: React.ChangeEvent<HTMLInputElement>) => {
+            if (IsNumber(e.target.value)) {
+              setStock(parseInt(e.target.value));
+            }
+          }}
+        />
+        <div style={{ paddingRight: 64 }} />
+        <Button
+          disabled={!valueChanged}
+          style={{ backgroundColor: "#80b38a" }}
+          onClick={() => {
+            updateQuantity();
+          }}
+          variant="contained"
+        >
+          Confirm
+        </Button>
+      </div>
+    </TableCell>
+  );
 }
diff --git a/src/Interfaces/Interfaces.tsx b/src/Interfaces/Interfaces.tsx
index 35ce41a..0fa4d8c 100644
--- a/src/Interfaces/Interfaces.tsx
+++ b/src/Interfaces/Interfaces.tsx
@@ -6,6 +6,7 @@ export interface Product {
   id: number;
   name: string;
   date_added: string;
+  quantity: number;
 }
 
 // Redux Interfaces
@@ -63,5 +64,5 @@ export interface AddProductParams {
 export interface UpdateProductParams {
   id: number;
   name: string;
-  quantity: string;
+  quantity: number;
 }
diff --git a/src/routes/Inventory/Inventory.tsx b/src/routes/Inventory/Inventory.tsx
index c9f5004..1cc56f9 100644
--- a/src/routes/Inventory/Inventory.tsx
+++ b/src/routes/Inventory/Inventory.tsx
@@ -12,8 +12,59 @@ import {
 import { SampleInventoryData } from "../../Components/SampleData/SampleData";
 import StockRenderer from "../../Components/InventoryPage/StockRenderer/StockRenderer";
 import LoginChecker from "../../Components/LoginChecker/LoginChecker";
+import { GetProducts, UpdateProduct } from "../../Components/Api/Api";
+import { useMutation, useQuery, useQueryClient } from "react-query";
+import RowRenderer from "../../Components/InventoryPage/RowRenderer/RowRenderer";
 
 export default function Inventory() {
+  const {
+    data: products,
+    isLoading,
+    error,
+  } = useQuery("products", GetProducts, { retry: 0 });
+
+  if (isLoading) {
+    return (
+      <div>
+        <LoginChecker />
+        <div style={styles.content_row}>
+          <div style={{ ...styles.content_row, ...{ flex: 1 } }}>
+            <div style={{ display: "flex", alignItems: "center", gap: 16 }}>
+              <InventoryIcon size={64} color="white" />
+              <p style={{ ...styles.text_white, ...styles.text_XL }}>
+                Inventory
+              </p>
+            </div>
+          </div>
+        </div>
+        <div style={{ ...styles.content_column, ...{ alignItems: "center" } }}>
+          <p style={{ ...styles.text_white, ...styles.text_L }}>
+            Loading inventory...
+          </p>
+        </div>
+      </div>
+    );
+  } else if (error) {
+    return (
+      <div>
+        <div style={styles.content_row}>
+          <div style={{ ...styles.content_row, ...{ flex: 1 } }}>
+            <div style={{ display: "flex", alignItems: "center", gap: 16 }}>
+              <InventoryIcon size={64} color="white" />
+              <p style={{ ...styles.text_white, ...styles.text_XL }}>
+                Inventory
+              </p>
+            </div>
+          </div>
+        </div>
+        <div style={{ ...styles.content_column, ...{ alignItems: "center" } }}>
+          <p style={{ ...styles.text_red, ...styles.text_L }}>
+            Error loading inventory
+          </p>
+        </div>
+      </div>
+    );
+  }
   return (
     <div style={{ height: "100%" }}>
       <LoginChecker />
@@ -41,22 +92,7 @@ export default function Inventory() {
               </TableCell>
             </TableRow>
           </TableHead>
-          <TableBody>
-            {SampleInventoryData.map((row) => (
-              <TableRow
-                key={row.id}
-                sx={{ "&:last-child td, &:last-child th": { border: 0 } }}
-              >
-                <TableCell style={{ ...styles.text_white, ...styles.text_S }}>
-                  {row.id}
-                </TableCell>
-                <TableCell style={{ ...styles.text_white, ...styles.text_S }}>
-                  {row.name}
-                </TableCell>
-                {StockRenderer(row.in_stock)}
-              </TableRow>
-            ))}
-          </TableBody>
+          <RowRenderer Products={products} />
         </Table>
       </TableContainer>
     </div>