RRAC/RecRoomArchive/Services/MessageOfTheDayService.cs

using RecRoomArchive.Models.API.Activities;
using System.Text.Json;

namespace RecRoomArchive.Services
{
    /// <summary>
    /// Service used to get the message of the day as it is used in multiple areas of the server
    /// </summary>
    public class MessageOfTheDayService
    {
        /// <summary>
        /// HttpClient for making requests to Gitea
        /// </summary>
        private static readonly HttpClient httpClient = new HttpClient();

        /// <summary>
        /// MessageOfTheDay reference
        /// </summary>
        private static string? MessageOfTheDay { get; set; }

        /// <summary>
        /// Gets the message of the day from Gitea. If the URL cannot be resolved, it will fall back to "Welcome to RecRoomArchive!"
        /// </summary>
        /// <returns>String related to the Message of the Day</returns>
        public async Task<string> GetMessageOfTheDay(string? version = null)
        {
            // I wouldn't want to re-request the MOTD from the server a bunch of times...
            if (string.IsNullOrEmpty(MessageOfTheDay))
            {
                var motd = await httpClient.GetAsync($"https://git.recroomarchive.org/RecRoomArchive/RRAC/raw/branch/main/MOTD");
                if (!motd.IsSuccessStatusCode)
                    return "Welcome to RecRoomArchive!";

                MessageOfTheDay = await motd.Content.ReadAsStringAsync();
            }

            return MessageOfTheDay;
        }

        // move out of motdservice
        private DateTime CharadesWordsLastFetchedAt { get; set; }
        private List<CharadesWord> CachedCharadesWords { get; set; } = [];

        public async Task <List<CharadesWord>> GetCharadesWordsList()
        {
            if (CharadesWordsLastFetchedAt - DateTime.UtcNow > TimeSpan.FromMinutes(30))
                return CachedCharadesWords;

            var request = await httpClient.GetAsync("https://git.recroomarchive.org/RecRoomArchive/RRAC/raw/branch/main/CharadesWords");
            if (!request.IsSuccessStatusCode)
                return [];

            var words = await request.Content.ReadAsStringAsync();
            if (words == null)
                return [];

            CachedCharadesWords = JsonSerializer.Deserialize<List<CharadesWord>>(words)!;

            return CachedCharadesWords;
        }
    }
}