pds/app/Http/Controllers/PlantController.php

<?php

namespace App\Http\Controllers;

use App\Models\Item;
use App\Models\Line;
use App\Models\Plant;
use Illuminate\Http\Request;

class PlantController extends Controller
{
    /**
     * Display a listing of the resource.
     */
    public function index()
    {
        //
    }

    /**
     * Store a newly created resource in storage.
     */
    public function store(Request $request)
    {
        //
    }

    /**
     * Display the specified resource.
     */
    public function get_all_data(Request $request)
    {
        $expectedUser = env('API_AUTH_USER');
        $expectedPw = env('API_AUTH_PW');
        $header_auth = $request->header('Authorization');
        $expectedToken = $expectedUser.':'.$expectedPw;

        if ('Bearer '.$expectedToken != $header_auth) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid authorization token!',
            ], 403);
        }

        $plants = Plant::with('company')->orderBy('code')->get();
        $plantsData = $plants->map(function ($plant) {
            return [
                'company' => $plant->company ? $plant->company->name : '', // Get company name
                'plant_code' => (string) $plant->code,
                'plant_name' => $plant->name,
                'plant_warehouse_number' => (string) $plant->warehouse_number,
                'plant_address' => $plant->address,
            ];
        });

        return response()->json([
            'plants' => $plantsData,
        ]);
    }

    public function getItemCode(Request $request){
        $expectedUser = env('API_AUTH_USER');
        $expectedPw = env('API_AUTH_PW');
        $header_auth = $request->header('Authorization');
        $expectedToken = $expectedUser.':'.$expectedPw;

        if ('Bearer '.$expectedToken != $header_auth) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid authorization token!',
            ], 403);
        }

        $plantCode = $request->header('plant-code');

        $itemCode = $request->header('item-code');

        if (! $plantCode) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Plant Code value can't be empty",
            ], 404);
        } elseif (! $itemCode) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Item code cannot be empty!',
            ], 404);
        }

        $plant = Plant::where('code', $plantCode)->first();
        $plantId = $plant->id;

        if (! $plant) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Plant Code '{$plantCode}' not found!",
            ], 404);
        }

        $itemCodeExist = Item::where('code', $itemCode)->first();

        if (! $itemCodeExist) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Item code not found',
            ], 404);
        }

        $itemCodePlantExist = Item::where('code', $itemCode)->where('plant_id', $plantId)->first();

        if (! $itemCodePlantExist) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code not found against plant code '$plantCode'",
            ], 404);
        }

        if (empty(trim($itemCodePlantExist->description ?? ''))) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Description is empty in Item Master against item code '$itemCode'.",
            ], 404);
        }

        return response()->json([
            'status_code' => 'SUCCESS',
            'status_description' => [
                'description' => $itemCodePlantExist->description,
            ],
        ], 200);
    }

    public function getItemLine(Request $request){
        $expectedUser = env('API_AUTH_USER');
        $expectedPw = env('API_AUTH_PW');
        $header_auth = $request->header('Authorization');
        $expectedToken = $expectedUser.':'.$expectedPw;

        if ('Bearer '.$expectedToken != $header_auth) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Invalid authorization token!',
            ], 403);
        }

        $plantCode = $request->header('plant-code');

        $lineName = $request->header('line-name');

        $itemCode = $request->header('item-code');

        if (! $plantCode) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Plant Code value can't be empty",
            ], 404);
        } 
        elseif (! $lineName) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Line Name cannot be empty!',
            ], 404);
        } elseif (! $itemCode) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Item code cannot be empty!',
            ], 404);
        }

        $plant = Plant::where('code', $plantCode)->first();
        $plantId = $plant->id;

        if (! $plant) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Plant Code '{$plantCode}' not found!",
            ], 404);
        }

        $itemCodeExist = Item::where('code', $itemCode)->first();

        if (! $itemCodeExist) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Item code not found',
            ], 404);
        }

        $itemCodePlantExist = Item::where('code', $itemCode)->where('plant_id', $plantId)->first();

        if (! $itemCodePlantExist) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code not found against plant code '$plantCode'",
            ], 404);
        }

        $lineNameExist = Line::where('name', $lineName)->first();

        if (! $lineNameExist) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Line Name '$lineName' not found",
            ], 404);
        }

        $lineNamePlantExist = Line::where('plant_id', $plantId)->where('name', $lineName)->first();

        if (! $lineNamePlantExist) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Line Name '$lineName' not found against plant code '$plantCode'",
            ], 404);
        }

        $itemCodeLineExist = Item::where('code', $itemCode)
            ->where('plant_id', $plantId)
            ->whereNotNull('line_id')
            ->where('line_id', '!=', $lineNamePlantExist->id)
            ->first();

        if ($itemCodeLineExist) {

            $mappedLine = Line::find($itemCodeLineExist->line_id);

            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => "Item code '$itemCode' is already mapped to line '{$mappedLine->name}'",
            ], 404);
        }

        $itemCodeLineMapped = Item::where('code', $itemCode)
            ->where('plant_id', $plantId)
            ->where('line_id', $lineNamePlantExist->id)
            ->first();

        if (! $itemCodeLineMapped) {
            return response()->json([
                'status_code' => 'ERROR',
                'status_description' => 'Not Ok'
            ], 200);
        }
        else{
            return response()->json([
                'status_code' => 'SUCCESS',
                'status_description' => 'Ok',
            ], 200);
        }
    }

    /**
     * Update the specified resource in storage.
     */
    public function update(Request $request, string $id)
    {
        //
    }

    /**
     * Remove the specified resource from storage.
     */
    public function destroy(string $id)
    {
        //
    }
}