chore: initial commit of existing codebase

app/Http/Controllers/Production/MaterialIssueController.php

@@ -0,0 +1,118 @@
+<?php
+
+namespace App\Http\Controllers\Production;
+
+use App\Http\Controllers\Controller;
+use App\Models\Item;
+use App\Models\MaterialIssue;
+use App\Models\ProductionOrder;
+use App\Models\StockLevel;
+use App\Models\StockMovement;
+use App\Models\Warehouse;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\DB;
+
+class MaterialIssueController extends Controller
+{
+    public function index()
+    {
+        $issues = MaterialIssue::with(['productionOrder', 'item', 'warehouse'])->paginate(15);
+
+        return view('production.material-issues.index', compact('issues'));
+    }
+
+    public function create()
+    {
+        $productionOrders = ProductionOrder::whereIn('status', ['planned', 'in_progress'])->get();
+        $items            = Item::where('category', 'raw_material')->get();
+        $warehouses       = Warehouse::all();
+
+        return view('production.material-issues.create', compact('productionOrders', 'items', 'warehouses'));
+    }
+
+    public function store(Request $request)
+    {
+        $request->validate([
+            'production_order_id' => 'required|exists:production_orders,id',
+            'item_id'             => 'required|exists:items,id',
+            'warehouse_id'        => 'required|exists:warehouses,id',
+            'quantity'            => 'required|numeric|min:0.01',
+            'issue_date'          => 'required|date',
+        ]);
+
+        DB::transaction(function () use ($request) {
+            $issueNumber = 'MI-' . str_pad(MaterialIssue::max('id') + 1, 5, '0', STR_PAD_LEFT);
+
+            $stockLevel = StockLevel::firstOrCreate(
+                ['item_id' => $request->item_id, 'warehouse_id' => $request->warehouse_id],
+                ['quantity' => 0]
+            );
+
+            // Decrement stock, floor at zero
+            $decrement = min($request->quantity, $stockLevel->quantity);
+            $stockLevel->decrement('quantity', $decrement);
+
+            StockMovement::create([
+                'item_id'             => $request->item_id,
+                'warehouse_id'        => $request->warehouse_id,
+                'type'                => 'out',
+                'quantity'            => $request->quantity,
+                'reference_type'      => 'MaterialIssue',
+                'reference_id'        => null, // will be updated after create
+                'created_by'          => auth()->id(),
+            ]);
+
+            $issue = MaterialIssue::create([
+                'issue_number'        => $issueNumber,
+                'production_order_id' => $request->production_order_id,
+                'item_id'             => $request->item_id,
+                'warehouse_id'        => $request->warehouse_id,
+                'quantity'            => $request->quantity,
+                'issue_date'          => $request->issue_date,
+                'issued_by'           => auth()->id(),
+            ]);
+
+            // Backfill reference_id on the movement just created
+            StockMovement::where('item_id', $request->item_id)
+                ->where('warehouse_id', $request->warehouse_id)
+                ->where('type', 'out')
+                ->where('reference_type', 'MaterialIssue')
+                ->whereNull('reference_id')
+                ->latest('id')
+                ->first()
+                ?->update(['reference_id' => $issue->id]);
+        });
+
+        return redirect()->back()->with('success', 'Material issued successfully.');
+    }
+
+    public function show(MaterialIssue $materialIssue)
+    {
+        $materialIssue->load(['productionOrder', 'item', 'warehouse']);
+
+        return view('production.material-issues.show', compact('materialIssue'));
+    }
+
+    public function edit(MaterialIssue $materialIssue)
+    {
+        return view('production.material-issues.edit', compact('materialIssue'));
+    }
+
+    public function update(Request $request, MaterialIssue $materialIssue)
+    {
+        $request->validate([
+            'issue_date' => 'required|date',
+        ]);
+
+        $materialIssue->update($request->only('issue_date', 'notes'));
+
+        return redirect()->route('production.material-issues.index')->with('success', 'Material issue updated successfully.');
+    }
+
+    public function destroy(MaterialIssue $materialIssue)
+    {
+        $materialIssue->delete();
+
+        return redirect()->route('production.material-issues.index')->with('success', 'Material issue deleted successfully.');
+    }
+}