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using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using Enmarcha.Backend.Data.Models;
namespace Enmarcha.Backend.ViewModels;
public class AlertFormViewModel
{
public string? Id { get; set; }
[Display(Name = "Título")]
public string HeaderEs { get; set; } = "";
[Display(Name = "Descripción")]
public string DescriptionEs { get; set; } = "";
[Display(Name = "Selectores (uno por línea)")]
public string SelectorsRaw { get; set; } = "";
[Display(Name = "URLs de información (una por línea)"), Required(AllowEmptyStrings = true)]
public string InfoUrlsRaw { get; set; } = "";
[Display(Name = "Causa")]
public AlertCause Cause { get; set; } = AlertCause.OtherCause;
[Display(Name = "Efecto")]
public AlertEffect Effect { get; set; } = AlertEffect.OtherEffect;
[DisplayFormat(DataFormatString = "{0:yyyy-MM-dd\\THH:mm}", ApplyFormatInEditMode = true)]
[Display(Name = "Publicar desde")]
public DateTime PublishDate { get; set; } = ToMadrid(DateTime.UtcNow);
[DisplayFormat(DataFormatString = "{0:yyyy-MM-dd\\THH:mm}", ApplyFormatInEditMode = true)]
[Display(Name = "Inicio del evento")]
public DateTime EventStartDate { get; set; } = ToMadrid(DateTime.UtcNow);
[DisplayFormat(DataFormatString = "{0:yyyy-MM-dd\\THH:mm}", ApplyFormatInEditMode = true)]
[Display(Name = "Fin del evento")]
public DateTime EventEndDate { get; set; } = ToMadrid(DateTime.UtcNow.AddDays(1));
[DisplayFormat(DataFormatString = "{0:yyyy-MM-dd\\THH:mm}", ApplyFormatInEditMode = true)]
[Display(Name = "Ocultar desde")]
public DateTime HiddenDate { get; set; } = ToMadrid(DateTime.UtcNow.AddDays(7));
public ServiceAlert ToServiceAlert() => new()
{
Id = Guid.NewGuid().ToString("N"),
Header = ParseTranslated(HeaderEs),
Description = ParseTranslated(DescriptionEs),
Selectors = ParseSelectors(),
InfoUrls = ParseLines(InfoUrlsRaw),
Cause = Cause,
Effect = Effect,
InsertedDate = DateTime.UtcNow,
PublishDate = ToUtc(PublishDate),
EventStartDate = ToUtc(EventStartDate),
EventEndDate = ToUtc(EventEndDate),
HiddenDate = ToUtc(HiddenDate),
};
public void ApplyTo(ServiceAlert alert)
{
alert.Header = ParseTranslated(HeaderEs);
alert.Description = ParseTranslated(DescriptionEs);
alert.Selectors = ParseSelectors();
alert.InfoUrls = ParseLines(InfoUrlsRaw);
alert.Cause = Cause;
alert.Effect = Effect;
alert.PublishDate = ToUtc(PublishDate);
alert.EventStartDate = ToUtc(EventStartDate);
alert.EventEndDate = ToUtc(EventEndDate);
alert.HiddenDate = ToUtc(HiddenDate);
}
public static AlertFormViewModel FromServiceAlert(ServiceAlert alert) => new()
{
Id = alert.Id,
HeaderEs = alert.Header.GetValueOrDefault("es") ?? "",
DescriptionEs = alert.Description.GetValueOrDefault("es") ?? "",
SelectorsRaw = string.Join('\n', alert.Selectors.Select(s => s.Raw)),
InfoUrlsRaw = string.Join('\n', alert.InfoUrls),
Cause = alert.Cause,
Effect = alert.Effect,
PublishDate = ToMadrid(alert.PublishDate),
EventStartDate = ToMadrid(alert.EventStartDate),
EventEndDate = ToMadrid(alert.EventEndDate),
HiddenDate = ToMadrid(alert.HiddenDate),
};
private static TranslatedString ParseTranslated(string es)
{
var dict = new TranslatedString();
if (!string.IsNullOrWhiteSpace(es)) dict["es"] = es.Trim();
return dict;
}
private List<AlertSelector> ParseSelectors() =>
ParseLines(SelectorsRaw)
.Where(s => s.Contains('#'))
.Select(s => new AlertSelector { Raw = s })
.ToList();
private static List<string> ParseLines(string raw) =>
raw.Split('\n', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries)
.Where(s => !string.IsNullOrWhiteSpace(s))
.ToList();
private static readonly TimeZoneInfo MadridTz =
TimeZoneInfo.FindSystemTimeZoneById("Europe/Madrid");
// Form input is "Unspecified" (local Madrid time) → convert to UTC for storage
private static DateTime ToUtc(DateTime dt) =>
TimeZoneInfo.ConvertTimeToUtc(DateTime.SpecifyKind(dt, DateTimeKind.Unspecified), MadridTz);
// UTC from DB → Madrid local time for display in datetime-local inputs
private static DateTime ToMadrid(DateTime utcDt) =>
TimeZoneInfo.ConvertTimeFromUtc(DateTime.SpecifyKind(utcDt, DateTimeKind.Utc), MadridTz);
}
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