Fix Invoice/Estimate template issues and Add Payment Receipt, Custom Payment Modes and Item units

app/Http/Controllers/UnitController.php

@@ -0,0 +1,119 @@
+<?php
+
+namespace Crater\Http\Controllers;
+
+use Crater\Unit;
+use Illuminate\Http\Request;
+use Crater\Http\Requests\UnitRequest;
+
+class UnitController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function index(Request $request)
+    {
+        $units = Unit::whereCompany($request->header('company'))
+            ->latest()
+            ->get();
+
+        return response()->json([
+            'units' => $units
+        ]);
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     *
+     * @return \Illuminate\Http\Response
+     */
+    public function create()
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @return \Illuminate\Http\Response
+     */
+    public function store(UnitRequest $request)
+    {
+        $unit = new Unit;
+        $unit->name = $request->name;
+        $unit->company_id = $request->header('company');
+        $unit->save();
+
+        return response()->json([
+            'unit' => $unit
+        ]);
+    }
+
+    /**
+     * Display the specified resource.
+     *
+     * @param  \Crater\Unit  $unit
+     * @return \Illuminate\Http\Response
+     */
+    public function show(Unit $unit)
+    {
+        //
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     *
+     * @param  \Crater\Unit  $unit
+     * @return \Illuminate\Http\Response
+     */
+    public function edit(Unit $unit)
+    {
+        return response()->json([
+            'unit' => $unit
+        ]);
+    }
+
+    /**
+     * Update the specified resource in storage.
+     *
+     * @param  \Illuminate\Http\Request  $request
+     * @param  \Crater\Unit  $unit
+     * @return \Illuminate\Http\Response
+     */
+    public function update(UnitRequest $request, Unit $unit)
+    {
+        $unit->name = $request->name;
+        $unit->company_id = $request->header('company');
+        $unit->save();
+
+        return response()->json([
+            'unit' => $unit
+        ]);
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     *
+     * @param  \Crater\Unit  $unit
+     * @return \Illuminate\Http\Response
+     */
+    public function destroy(Unit $unit)
+    {
+        $items = $unit->items;
+
+        if ($items->count() > 0) {
+            return response()->json([
+                'error' => 'items_attached'
+            ]);
+        }
+
+        $unit->delete();
+
+        return response()->json([
+            'success' => 'Unit deleted successfully'
+        ]);
+    }
+}