/home/kueuepay/public_html/app/Http/Controllers/Admin/CurrencyController.php
<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\Admin\Currency;
use Exception;
use Illuminate\Http\Request;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Validator;
use Illuminate\Validation\Rule;
use App\Http\Helpers\Response;

class CurrencyController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $page_title = "Setup Currency";
        $currencies = Currency::orderByDesc('default')->paginate(10);
        return view('admin.sections.currency.index',compact(
            'page_title',
            'currencies',
        ));
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $validator = Validator::make($request->all(),[
            'type'      => 'required|string',
            'country'   => 'required|string',
            'name'      => 'required|string',
            'code'      => 'required|string|unique:currencies',
            'symbol'    => 'required|string',
            'role'      => 'required|string',
            'option'    => 'required|string',
            'flag'      => 'nullable|image|mimes: jpg,png,jpeg,svg,webp',
            'rate'      => 'required',
        ]);
        if($validator->fails()) {
            return back()->withErrors($validator)->withInput()->with('modal','currency_add');
        }
        $validated = $validator->validate();

        $roles = [
            'both'  => [
                'sender'    => true,
                'receiver'  => true,
            ],
            'sender'    => [
                'sender'    => true,
                'receiver'  => false,
            ],
            'receiver'  => [
                'sender'    => false,
                'receiver'  => true,
            ]
        ];
        foreach($roles as $key => $item) {
            if($key == $validated['role']) {
                foreach($item as $column => $value) {
                    $validated[$column] = $value;
                }
            }   
        }
        
        $default = [
            'default' => true,
            'optional'  => false,
        ];

        // If Default is already available
        if($default[$validated['option']] == true) {
            $check_default = Currency::where('default',true);
            if($check_default->count() > 0) {
                try{
                    $check_default->update([
                        'default'       => false,
                    ]);
                }catch(Exception $e) {
                    return back()->with(['error' => ['Default currency make faild! Please try again.']]);
                }
            }
        }

        $validated['type']          = strtoupper($validated['type']);
        $validated['default']       = $default[$validated['option']];
        $validated['created_at']    = now();
        $validated['admin_id']      = Auth::user()->id;

        $validated = Arr::except($validated,['role','flag','option']);
        // insert_data
        try{
            $currency = Currency::create($validated);
        }catch(Exception $e) {
            return back()->withErrors($validator)->withInput()->with(['error' => ['Something went worng! Please try again.']]);
        }

        // Uplaod File
        if($request->hasFile('flag')) {
            try{
                $image = get_files_from_fileholder($request,'flag');
                $uploadFlag = upload_files_from_path_dynamic($image,'currency-flag');
    
                // Update Database
                $currency->update([
                    'flag'  => $uploadFlag,
                ]);
            }catch(Exception $e) {
                return back()->withErrors($validator)->withInput()->with(['error' => ['Something went worng! Please try again.']]);
            }
        }

        return back()->with(['success' => ['Currency Saved Successfully!']]);
    }


    /**
     * Update Currency Status
     */
    public function statusUpdate(Request $request) {
        $validator = Validator::make($request->all(),[
            'status'                    => 'required|boolean',
            'data_target'               => 'required|string',
        ]);
        if ($validator->stopOnFirstFailure()->fails()) {
            $error = ['error' => $validator->errors()];
            return Response::error($error,null,400);
        }
        $validated = $validator->safe()->all();
        $currency_code = $validated['data_target'];

        $currency = Currency::where('code',$currency_code)->first();
        if(!$currency) {
            $error = ['error' => ['Currency record not found in our system.']];
            return Response::error($error,null,404);
        }

        try{
            $currency->update([
                'status' => ($validated['status'] == true) ? false : true,
            ]);
        }catch(Exception $e) {
            $error = ['error' => ['Something went worng!. Please try again.']];
            return Response::error($error,null,500);
        }

        $success = ['success' => [__('Currency status updated successfully!')]];
        return Response::success($success,null,200);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request)
    {
        $target = $request->target ?? $request->currency_code;
        $currency = Currency::where('code',$target)->first();
        if(!$currency) {
            return back()->with(['warning' => ['Currency not found!']]);
        }
        $request->merge(['old_flag' => $currency->flag]);

        $validator = Validator::make($request->all(),[
            'currency_type'      => 'required|string',
            'currency_country'   => 'required|string',
            'currency_name'      => 'required|string',
            'currency_code'      => ['required','string',Rule::unique('currencies','code')->ignore($currency->id)],
            'currency_symbol'    => 'required|string',
            'currency_rate'      => 'required|numeric',
            'currency_option'    => 'required|string',
            'currency_target'    => 'nullable|string',
            'currency_role'      => 'required|string',
        ]);
        if($validator->fails()) {
            return back()->withErrors($validator)->withInput()->with('modal','currency_edit');
        }
        $validated = $validator->validate();

        $roles = [
            'both'  => [
                'sender'    => true,
                'receiver'  => true,
            ],
            'sender'    => [
                'sender'    => true,
                'receiver'  => false,
            ],
            'receiver'  => [
                'sender'    => false,
                'receiver'  => true,
            ]
        ];
        foreach($roles as $key => $item) {
            if($key == $validated['currency_role']) {
                foreach($item as $column => $value) {
                    $validated[$column] = $value;
                }
            }   
        }

        $default = [
            '1' => true,
            '0'  => false,
        ];
        // If Default is already available
        if($default[$validated['currency_option']] == true) {
            $check_default = Currency::where('default',true);
            if($check_default->count() > 0) {
                try{
                    $check_default->update([
                        'default'       => false,
                    ]);
                }catch(Exception $e) {
                    return back()->with(['error' => ['Default currency make faild! Please try again.']]);
                }
            }
        }
        $validated['currency_default']   = $default[$validated['currency_option']];
        $validated = Arr::except($validated,['currency_role','currency_flag','currency_option']);

        if($request->hasFile('currency_flag')) {
            try{
                $image = get_files_from_fileholder($request,'currency_flag');
                $uploadFlag = upload_files_from_path_dynamic($image,'currency-flag',$currency->flag);
                $validated['currency_flag'] = $uploadFlag;
            }catch(Exception $e) {
                return back()->withErrors($validator)->withInput()->with(['error' => ['Image file upload faild!']]);
            }
        }
        $validated = replace_array_key($validated,"currency_");
        try{
            $currency->update($validated);
        }catch(Exception $e) {
            return back()->withErrors($validator)->withInput()->with(['error' => ['Something went worng! Please try again.']]);
        }

        return back()->with(['success' => ['Successfully updated the information.']]);
    }

    public function delete(Request $request) {
        $validator = Validator::make($request->all(),[
            'target'        => 'required|string|exists:currencies,code',
        ]);
        $validated = $validator->validate();
        $currency = Currency::where("code",$validated['target'])->first();

        if($currency->isDefault()) {
            return back()->with(['warning' => ['Can\'t deletable default currency.']]);
        }

        try{
            $currency->delete();
            delete_file(get_files_path('currency-flag').'/'.$currency->flag);
        }catch(Exception $e) {
            return back()->with(['error' => ['Something went worng! Please try again.']]);
        }

        return back()->with(['success' => ['Currency deleted successfully!']]);
    }

    public function search(Request $request) {
        $validator = Validator::make($request->all(),[
            'text'  => 'required|string',
        ]);

        if($validator->fails()) {
            $error = ['error' => $validator->errors()];
            return Response::error($error,null,400);
        }

        $validated = $validator->validate();
        $currencies = Currency::search($validated['text'])->select()->limit(10)->get();
        return view('admin.components.search.currency-search',compact(
            'currencies',
        ));
    }
}
Best Practice

Best Practices

To ensure a smooth integration process and optimal performance, follow these best practices:

  1. Use secure HTTPS connections for all API requests.
  2. Implement robust error handling to handle potential issues gracefully.
  3. Regularly update your integration to stay current with any API changes or enhancements.