Initial commit.

Workers/JiraWorker.cs

@@ -0,0 +1,55 @@
+using Microsoft.Extensions.Options;
+using Serilog;
+using System.Numerics;
+using System.Threading.Channels;
+using TriliumMind.Models;
+using TriliumMind.Services;
+
+namespace TriliumMind.Workers;
+
+public class JiraWorker : BackgroundService
+{
+    private readonly Serilog.ILogger _log;
+    private readonly AppConfigs _configs;
+    private readonly JiraService _jira;
+    private readonly Channel<Issue> _issueChannel;
+
+    public JiraWorker(AppConfigs configs, JiraService jaraService, Channel<Issue> issueChannel)
+    {
+        _log = Log.ForContext<JiraWorker>(); ;
+        _configs = configs;
+         _jira = jaraService;
+        _issueChannel = issueChannel;
+    }
+
+    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
+    {
+        while (!stoppingToken.IsCancellationRequested)
+        {
+            _log.Debug("Worker running at: {time}", DateTimeOffset.Now);
+
+            var lastFetchTime = DateTimeOffset.Parse(_configs.RuntimeConfigs[Consts.ConfigLastFetchTimeKey]);
+
+            var issueList = new List<Issue>();
+            foreach (var targetProject in _configs.AppSettings.Jira.TargetProjects)
+            {
+                int startAt = 0, total = 0;
+                do
+                {
+                    var response = await _jira.FetchJiraIssuesAsync(DateTimeOffset.Now.AddDays(-1), targetProject, startAt, stoppingToken);
+                    if (response != null)
+                    {
+                        total = response.total;
+                        startAt += response.maxResults;
+                        issueList.AddRange(response.issues);
+                    }
+                } while(startAt < total);
+            }
+            foreach (var item in issueList)
+            {
+                await _issueChannel.Writer.WriteAsync(item, stoppingToken);
+            }
+            await Task.Delay(_configs.AppSettings.Jira.FetchInterval * 1000, stoppingToken);
+        }
+    }
+}