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Elternbeirat/Elternbeirat.Contracts/FaqTopic.cs
T

74 lines
2.8 KiB
C#

using System.Text.Json.Serialization;
namespace Elternbeirat.Contracts;
/// <summary>
/// A topic the FAQ entries are grouped under, as stored in PocketBase.
/// </summary>
/// <remarks>
/// A <see cref="Faq"/> points at its topic through a relation, so the FAQ page
/// groups the questions by topic and shows the groups in <see cref="Order"/>.
/// Making the topic its own record (rather than a free-text field on each
/// question) means the heading, its order and its optional <see cref="Intro"/>
/// are edited in one place and shared by every question in the group.
/// </remarks>
public record FaqTopic
{
/// <summary>
/// Gets the PocketBase record id.
/// </summary>
/// <remarks>
/// <see langword="required"/>: every stored record has an id. Modeling it as
/// required states which fields a record must carry, independent of the store,
/// so a future data source has to supply them too.
/// </remarks>
[JsonPropertyName("id")]
public required string Id { get; init; }
/// <summary>
/// Gets the heading shown above the group of questions, e.g.
/// <c>"Mensa und Mittagessen"</c>.
/// </summary>
/// <remarks>
/// Free text; may contain umlauts and spaces. For the URL, see <see cref="Slug"/>.
/// <see langword="required"/>: a topic without a heading has nothing to show, and
/// the field is required in PocketBase.
/// </remarks>
[JsonPropertyName("title")]
public required string Title { get; init; }
/// <summary>
/// Gets the URL slug of the topic, e.g. <c>"mensa"</c>.
/// </summary>
/// <value>
/// A URL path segment: lowercase letters, digits and single hyphens as
/// separators, no umlauts. PocketBase enforces this on save via a field
/// pattern (<c>^[a-z0-9]+(-[a-z0-9]+)*$</c>), so every stored slug is already
/// canonical and the app can use it verbatim.
/// </value>
/// <remarks>
/// <see langword="required"/>: the slug is required in PocketBase and is the
/// stable identifier of a topic, independent of its display title.
/// </remarks>
[JsonPropertyName("slug")]
public required string Slug { get; init; }
/// <summary>
/// Gets the optional introduction shown below the topic heading, as Markdown.
/// </summary>
/// <value>
/// The intro Markdown, or an empty string when the topic has none.
/// </value>
[JsonPropertyName("intro")]
public string Intro { get; init; } = string.Empty;
/// <summary>
/// Gets the sort order of the topic among the FAQ groups.
/// </summary>
/// <value>
/// The sort key; topics with smaller values appear first.
/// </value>
[JsonPropertyName("order")]
public double Order { get; init; }
}