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Production/SNIPE-IT/app/Http/Controllers/Components/ComponentCheckinController.php

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+<?php
+
+namespace App\Http\Controllers\Components;
+
+use App\Events\CheckoutableCheckedIn;
+use App\Events\ComponentCheckedIn;
+use App\Http\Controllers\Controller;
+use App\Models\Asset;
+use App\Models\Component;
+use Illuminate\Http\Request;
+use Illuminate\Support\Carbon;
+use Illuminate\Support\Facades\Auth;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Validator;
+
+class ComponentCheckinController extends Controller
+{
+    /**
+     * Returns a view that allows the checkin of a component from an asset.
+     *
+     * @author [A. Gianotto] [<snipe@snipe.net>]
+     * @see ComponentCheckinController::store() method that stores the data.
+     * @since [v4.1.4]
+     * @param $component_asset_id
+     * @return \Illuminate\Contracts\View\View
+     * @throws \Illuminate\Auth\Access\AuthorizationException
+     */
+    public function create($component_asset_id)
+    {
+
+        // This could probably be done more cleanly but I am very tired. - @snipe
+        if ($component_assets = DB::table('components_assets')->find($component_asset_id)) {
+            if (is_null($component = Component::find($component_assets->component_id))) {
+                return redirect()->route('components.index')->with('error', trans('admin/components/messages.not_found'));
+            }
+            if (is_null($asset = Asset::find($component_assets->asset_id))) {
+                return redirect()->route('components.index')->with('error',
+                    trans('admin/components/message.not_found'));
+            }
+            $this->authorize('checkin', $component);
+
+            return view('components/checkin', compact('component_assets', 'component', 'asset'));
+        }
+
+        return redirect()->route('components.index')->with('error', trans('admin/components/messages.not_found'));
+    }
+
+    /**
+     * Validate and store checkin data.
+     *
+     * @author [A. Gianotto] [<snipe@snipe.net>]
+     * @see ComponentCheckinController::create() method that returns the form.
+     * @since [v4.1.4]
+     * @param Request $request
+     * @param $component_asset_id
+     * @return \Illuminate\Http\RedirectResponse
+     * @throws \Illuminate\Auth\Access\AuthorizationException
+     */
+    public function store(Request $request, $component_asset_id, $backto = null)
+    {
+        if ($component_assets = DB::table('components_assets')->find($component_asset_id)) {
+            if (is_null($component = Component::find($component_assets->component_id))) {
+
+                return redirect()->route('components.index')->with('error',
+                    trans('admin/components/message.not_found'));
+            }
+
+            $this->authorize('checkin', $component);
+
+            $max_to_checkin = $component_assets->assigned_qty;
+            $validator = Validator::make($request->all(), [
+                'checkin_qty' => "required|numeric|between:1,$max_to_checkin",
+            ]);
+
+            if ($validator->fails()) {
+                return redirect()->back()
+                    ->withErrors($validator)
+                    ->withInput();
+            }
+
+            // Validation passed, so let's figure out what we have to do here.
+            $qty_remaining_in_checkout = ($component_assets->assigned_qty - (int) $request->input('checkin_qty'));
+
+            // We have to modify the record to reflect the new qty that's
+            // actually checked out.
+            $component_assets->assigned_qty = $qty_remaining_in_checkout;
+            DB::table('components_assets')->where('id',
+                $component_asset_id)->update(['assigned_qty' => $qty_remaining_in_checkout]);
+
+            // If the checked-in qty is exactly the same as the assigned_qty,
+            // we can simply delete the associated components_assets record
+            if ($qty_remaining_in_checkout == 0) {
+                DB::table('components_assets')->where('id', '=', $component_asset_id)->delete();
+            }
+
+            $asset = Asset::find($component_assets->asset_id);
+
+            event(new CheckoutableCheckedIn($component, $asset, Auth::user(), $request->input('note'), Carbon::now()));
+            if ($backto == 'asset'){
+                return redirect()->route('hardware.show', $asset->id)->with('success',
+                    trans('admin/components/message.checkin.success'));
+            }
+
+            return redirect()->route('components.index')->with('success',
+                trans('admin/components/message.checkin.success'));
+        }
+
+        return redirect()->route('components.index')->with('error', trans('admin/components/message.does_not_exist'));
+    }
+}