freeu-project/app/Imports/FundImport.php

<?php

namespace App\Imports;

use App\Models\Fund;
use App\Models\Table;
use App\Models\Product;
use App\Models\Category;
use App\Models\FundReturn;
use Illuminate\Support\Str;
use Illuminate\Support\Collection;
use Maatwebsite\Excel\Concerns\ToCollection;
use Illuminate\Support\Facades\Validator;
use Maatwebsite\Excel\Concerns\WithHeadingRow;

class FundImport implements ToCollection, WithHeadingRow
{
    /**
     * @param Collection $collection
     */
    protected $category_id;

    public function  __construct($category_id,)
    {
        $this->category_id = $category_id;
    }

    public function rules(): array
    {
        // return null;
        return [
            // '*.issuer' => 'required|unique:funds,issuer'
            // '*.property_name' => 'required|unique:fractional_real_estates,property_name'
            // '*.min_investment' => 'required',
            // '*.return_rate' => 'required',
        ];
    }

    public function customValidationMessages(Collection $rows)
    {
        $messages = [];
        foreach ($rows as $key => $val) {
            $messages['' . $key . '.issuer.required'] = 'Issuer should not be empty at row ' . $key + 1;
            $messages['' . $key . '.issuer.unique'] = 'Issuer is not unique at row ' . $key + 1;
        }
        return $messages;
        // return [
        //     '*.property_name.required'               => 'Property name must not be empty!'
        //     // '*.min_investment.required'               => 'Minimun Investment must not be empty!',
        //     // '*.return_rate.required'               => 'Return Rate must not be empty!'
        // ];
    }

    public function collection(Collection $rows)
    {
        Validator::make($rows->toArray(), $this->rules(), $this->customValidationMessages($rows))->validate();
        // dd($rows->toArray());
        foreach ($rows as $row) {
            $product = Product::create([
                'tables_id' => Table::FundTable,
                'categories_id' => $this->category_id,
                'total_views' => 0,
                'status' => 0,
                'created_by' => auth()->user()->id,
                'description'=> $row['description'] ?? null 
            ]);
           
            if ($this->category_id == Category::GlobalMutualFundId) {
                $init = 18;
            } else if ($this->category_id == Category::GlobalPrivateEquityFundId) {
                $init = 18;
            } else if ($this->category_id == Category::GlobalVentureCapitalFundId) {
                $init = 18;
            } else if($this->category_id == Category::GlobalHedgeFundId){
                $init = 18;
            } else if($this->category_id == Category::GlobalVentureDebtId){
                $init = 18;
            } else if($this->category_id == Category::GlobalPrivateCreditFundId){
                $init = 18;
            }
            $returns = array();

            $arrayKeys = array_keys($row->toArray());

            $totalKeys = count($row->toArray()) - 1;

            for ($yearIndex = $init; $yearIndex <= $totalKeys; $yearIndex++) {
                if($arrayKeys[$yearIndex] != 'description')
                {
                    array_push($returns, $arrayKeys[$yearIndex]);
                }
            };
            $count = Fund::where('issuer',$row['issuer'])->count(); 
            $fund = Fund::create([
                'products_id' => $product->id,
                'slug' => Str::slug($row['issuer']).'-'.$count+1,
                'issuer' => $row['issuer'],
                'geographic_focus' => "Global",
                'fund_name' => $row['fund_name'],
                'fund_type' => $row['fund_type'],
                'about_issuer' => $row['about_issuer'],
                'fund_description' => $row['description'],
                'sharpe_ratio' => $row['sharpe_ratio'],
                'annualized_volatility' => $row['annualized_volatility'],
                'max_dropdown' => $row['max_drawdown'],
                'isin' => $row['isin'],
                'inception_date' => getConvertedDate($row['inception_date']),
                'fund_aum' => $row['fund_aum'],
                'expense_ratio' => $row['expense_ratio'],
                'nav_per_unit' => $row['nav_per_unit_usd'],
                'minimum_investment' => $row['minimum_investment_usd'],
                'ytd' => $row['ytd'],
                'year1_return' => $row['1_year_return'],
                'year3_return' => $row['3_year_return'],
                // 'data_as_on' => getConvertedDate($row['data_as_on']) ?? null,
            ]);
            if ($returns) {
                foreach ($returns as $key => $value) {
                    FundReturn::create([
                        'funds_id' => $fund->id,
                        'label' => $value,
                        'value' => $row[$value],
                    ]);
                }
            }
        }
    }
}