GHM.Job 3.0.3

<p align="center"> <img src="logo.png" alt="logo" width="200px"/> </p>

<h1 align="center"> GHM.Job </h1>

GHM.Job is a nuget package aims to run jobs in separates ways(Get Request, Run Request and Update Request).

Install Package

.NET CLI

dotnet add package GHM.Job

Package Manager

NuGet\Install-Package GHM.Job

IServiceCollectionExtensions

To add scoped interface IJobService<> to implementate JobService<> , call extension method to your serviceCollection.

using GHM.Job.Extensions;

var builder = WebApplication.CreateBuilder(args);
var services = builder.Services;
service.AddGhmJob();

TimeZoneStrategy

If you want to set TimeZoneStrategy to set a DateTime.Now for executeAsync with cron string * * * * *, pass one of these strategies at calling AddGhmJob(ITimeZoneStrategy timeZoneStrategy).

• NowTimeZoneStrategy()
• UtcTimeZoneStrategy()
• UtcAddingHoursTimeZoneStrategy(int addhours)

using GHM.Job.Extensions;

var builder = WebApplication.CreateBuilder(args);
var services = builder.Services;

var strategy = new UtcAddingHoursTimeZoneStrategy(-3) // -3Hours UTC
service.AddGhmJob(options => options.TimeZoneStrategy = strategy);

public class NowTimeZoneStrategy : ITimeZoneStrategy
{
    public DateTime Now => DateTime.Now;
}

public class UtcTimeZoneStrategy : ITimeZoneStrategy
{
    public DateTime Now => DateTime.UtcNow;
}

public class UtcAddingHoursTimeZoneStrategy : ITimeZoneStrategy
{
    private readonly int _addhours;

    public UtcAddingHoursTimeZoneStrategy(int addhours)
    {
        _addhours = addhours;
    }

    public DateTime Now => DateTime.UtcNow.AddHours(_addhours);
}

Handlers

To Add handlers at Requester, Executer and Updater executions, implement the IJobHandler at your handler class.

public class MyJobHandler<TRequest> : IJobHandler<TRequest>
{
    public async Task<ExecuterResponse<TRequest, TResponse>> HandleExecuter<TResponse>(
        Func<Task<ExecuterResponse<TRequest, TResponse>>> executer)
    {
        // after executer
        var result = await executer();
        // before executer
        return result;
    }

    public async Task<RequesterResponse<TRequest>> HandleRequester(
        Func<Task<RequesterResponse<TRequest>>> requester)
    {
        // after requester
        var result = await requester();
        // before requester
        return result;
    }

    public async Task<UpdaterResponse<TRequest, TResponse>> HandleUpdater<TResponse>(
        Func<Task<UpdaterResponse<TRequest, TResponse>>> updater)
    {
        // after updater
        var result = await updater();
        // before updater
        return result;
    }
}

public class MyJobServiceHandler<TRequest> : IJobServiceHandler<TRequest>
{
    public async Task<JobServiceResponse<TRequest>> HandleWork(
        Func<Task<JobServiceResponse<TRequest>>> runWork)
    {
        // after runWork
        var result = await runWork();
        // before runWork
        return result;
    }
}

Add Handlers to serviceCollection

using GHM.Job.Extensions;

var builder = WebApplication.CreateBuilder(args);
var services = builder.Services;

service.AddGhmJob(
    options =>
    {
        options.JobHandler = type(MyJobHandler)
        options.JobServiceHandler = type(MyJobServiceHandler)
    }
);

Example

To run a Job

The Job Run the Sequence:

• Get Requests Unique or List
• Execute Request
• After Execute Request
• On error Execute Request
• Update Request
• After Update Request
• On error Update Request
• After Work Request

using GHM.Job;

public class MyBackgroundService : BackgroundService
{
    private readonly IJobService<string> _jobService = new JobService<string>();

    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        var result = "processing";

        string Requester() => " => data";
        string Executer(string data) => result += data + " => Executer";
        void Updater(string data) => result += " => Updater";
        void AfterWork() => result += " => AfterWork";
        void AfterExecuter(string data) => result += " => AfterExecuter";
        string LoggerId(string data) => data;

        // Act

        var job = JobFactory.Create(
            requester: Requester,
            executer: Executer,
            updater: Updater,
            jobOptions:
                new JobOptions<TRequest>(afterWork: AfterWork, afterExecuter: AfterExecuter, loggerId: LoggerId)
        );

        // Setting delay: 1 second to the next job running.
        await _jobService.ExecuteAsync(job, TimeSpan.FromSeconds(1), stoppingToken);

        // Running 1 time.
        await _jobService.ExecuteAsync(job, stoppingToken);

        // Setting cron: At minute 5 to job running.
        // More informations about cron. https://crontab.guru
        await _jobService.ExecuteAsync(job, "5 * * * *" ,stoppingToken);

        // result = "processing => data => Executer => AfterExecuter => Updater => AfterWork"
    }
}

You can run your job async.

using GHM.Job;

public class MyBackgroundService : BackgroundService
{
    private readonly IJobService<string> _jobService = new JobService<string>();

    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        var result = "processing";

        Task<string> RequesterAsync() => Task.FromResult(" => data");
        Task<string> ExecuterAsync(string data) => Task.FromResult(result += data + " => Executer");
        Task UpdaterAsync(string data) => Task.FromResult(result += " => Updater");
        void AfterWork() => result += " => AfterWork";
        void AfterExecuter(string data) => result += " => AfterExecuter";
        string LoggerId(string data) => data;

        // Act
        var job = JobAsyncFactory.Create(
            requester: RequesterAsync,
            executer: ExecuterAsync,
            updater: UpdaterAsync,
            jobOptions:
                new JobOptions<TRequest>(afterWork: AfterWork, afterExecuter: AfterExecuter, loggerId: LoggerId)
        );

        // Setting delay: 1 second to the next job running.
        await _jobService.ExecuteAsync(job, TimeSpan.FromSeconds(1), stoppingToken);

        // Running 1 time.
        await _jobService.ExecuteAsync(job, stoppingToken);

        // result = "processing => data => Executer => AfterExecuter => Updater => AfterWork"
    }
}

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