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Massive CSV Import

• This lightweight package helps developers to import csv files with millions of records efficiently using Laravel Queues.

Prerequisites

• You must be using Laravel Queues and jobs table must exist in your database. If you are not using Queues, setup using this link.
• Write privileges on storage directory of your Laravel project. You can change this location from configuration file of this package as well.
• By default, this package tries to search required Model class from App\Models\ namespace. If you have placed Models in another directory, set its path in configuration file i.e., vendor\ascentech\massive-csv-import\config\massive-csv-import.php.

Installation

• composer require ascentech/massive-csv-import
• Add Ascentech\MassiveCsvImport\MassiveCsvImportServiceProvider::class, into providers array of your project's config\app.php file.

Usage

• Prepare a large csv file (without headers) to import.
• Prepare a file upload interface in your project and write following two lines in your Controller code:
• use Ascentech\MassiveCsvImport\MassiveCsvImportFacade;
• $result = MassiveCsvImportFacade::import($path, $table_name, $columns);
• $path refers to temp path of uploaded csv file
• $table_name is the database table name in which you want to import large csv file.
• $colums is the array of columns for the particular table e.g., $columns = ['name','description','status'];
• This package will create multiple smaller csv files from the large file and save these files into storage\table_name\ directory. By default the chunk size is 1000, you can edit csv_chunk_size variable's value in configuration file i.e., vendor\ascentech\massive-csv-import\config\massive-csv-import.php.
• A separate job is created for each smaller csv file for processing in the background.
• You will need to run php artisan queue:work command for the jobs processing.
• All processed files will be placed with .csv-processed extension in the same storage\table_name\ directory.
• Remember! If a particular record (from smaller csv file) fails to insert into the database, an error message will be written in laravel.log file, but the remaining job will keep processing without failing. A separate directory storage\table_name\failed is automatically created which will have csv files with the failed records only. You can fix these and import later on in a separate csv file.

License

• MIT