umbraco-form-submission.cs

using Microsoft.AspNetCore.Mvc;
using Umbraco.Cms.Web.Common.Controllers;
using Umbraco.Forms.Core.Models;
using Umbraco.Forms.Core.Persistence.Dtos;
using Umbraco.Forms.Core.Services;

namespace Umbraco.Forms.Testsite.Controllers
{
    public class SubmitFormTestController : UmbracoApiController
    {
        private readonly IRecordService _recordService;
        private readonly IFormService _formService;

        public SubmitFormTestController(IRecordService recordService, IFormService formService)
        {
            _recordService = recordService;
            _formService = formService;
        }

        public IActionResult SubmitForm()
        {
            var submittedValues = new Dictionary<string, string>()
            {
                { "name", "Andy 2" }
            };

            // Form has single field with alias of "name".
            var formId = Guid.Parse("be745434-2607-40cb-84be-db13b9f1dc43");
            Form? form = _formService.Get(formId);
            if (form == null)
            {
                throw new InvalidOperationException($"Could not find form with ID: {formId}");
            }

            var record = new Record
            {
                Created = DateTime.Now,
                Form = form.Id,
                Culture = Thread.CurrentThread.CurrentCulture.Name,
            };

            foreach (Field field in form.AllFields)
            {
                var recordField = new RecordField(field)
                {
                    Alias = field.Alias,
                    FieldId = field.Id,
                    Key = Guid.NewGuid(),
                    Record = record.Id,
                    Values = new List<object>() { submittedValues[field.Alias] }
                };
                record.RecordFields.Add(field.Id, recordField);
            }

            _recordService.Submit(record, form);

            return Ok("Done");
        }
    }
}