fix edit purchasing information

device-app/resources/views/purchasings/edit.blade.php

@@ -0,0 +1,37 @@
+<p>{{ $purchasing->price }}</p>
+<form method="POST" action="/devices/{{ $purchasing->device->device_id }}/purchasing">
+    @method('PUT')
+    @csrf
+    <label for="price">price:</label>
+    <input type="text" id="price" name="price" value="{{$purchasing->price}}" required>
+    @error('price')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="timestamp_warranty_end">timestamp_warranty_end:</label>
+    <input type="text" id="timestamp_warranty_end" name="timestamp_warranty_end"
+        value="{{$purchasing->timestamp_warranty_end}}" required>
+    @error('timestamp_warranty_end')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="timestamp_purchase">timestamp_purchase:</label>
+    <input type="text" id="timestamp_purchase" name="timestamp_purchase"
+        value="{{$purchasing->timestamp_purchase}}" required>
+    @error('timestamp_purchase')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="cost_centre">cost_centre:</label>
+    <input type="text" id="cost_centre" name="cost_centre" value="{{$purchasing->cost_centre}}" required>
+    @error('cost_centre')
+        <p>{{ $message }}</p>
+    @enderror
+    <br />
+    <label for="seller">seller:</label>
+    <input type="text" id="seller" name="seller" value="{{$purchasing->seller}}">
+    @error('seller')
+        <p>{{ $message }}</p>
+    @enderror
+    <input type="submit" value="Submit">
+</form>