refactor(shared): extract reschedule voting types to Shared

2026-05-20 11:44:57 +03:00
parent fb0c29eefe
commit fcd7de035f
12 changed files with 1519 additions and 34 deletions
@@ -0,0 +1,69 @@
+namespace GmRelay.Shared.Features.Sessions.RescheduleSession;
+
+public enum RescheduleVoteOutcome
+{
+    Pending,
+    Rejected,
+    Approved
+}
+
+public sealed record RescheduleVoteDecision(
+    RescheduleVoteOutcome Outcome,
+    string Reason,
+    Guid? SelectedOptionId = null,
+    string CallbackText = "",
+    bool ShouldRescheduleSession = false,
+    bool ShouldResetParticipantRsvps = false);
+
+public static class RescheduleVoteRules
+{
+    public static RescheduleVoteDecision SelectWinner(IReadOnlyList<RescheduleOptionVoteCount> voteCounts)
+    {
+        var maxVotes = voteCounts.Count == 0 ? 0 : voteCounts.Max(x => x.VoteCount);
+        if (maxVotes == 0)
+        {
+            return new RescheduleVoteDecision(
+                RescheduleVoteOutcome.Rejected,
+                "Никто не проголосовал до дедлайна, перенос не применяется.");
+        }
+
+        var winners = voteCounts.Where(x => x.VoteCount == maxVotes).ToList();
+        if (winners.Count > 1)
+        {
+            return new RescheduleVoteDecision(
+                RescheduleVoteOutcome.Rejected,
+                "Голоса разделились поровну, перенос не применяется.");
+        }
+
+        return new RescheduleVoteDecision(
+            RescheduleVoteOutcome.Approved,
+            "Победил вариант с большинством голосов.",
+            winners[0].OptionId,
+            ShouldRescheduleSession: true,
+            ShouldResetParticipantRsvps: true);
+    }
+
+    public static RescheduleVoteDecision Evaluate(string vote, int totalParticipants, int approvedParticipants)
+    {
+        if (string.Equals(vote, "no", StringComparison.OrdinalIgnoreCase))
+        {
+            return new RescheduleVoteDecision(
+                Outcome: RescheduleVoteOutcome.Rejected,
+                Reason: "Один из участников отклонил перенос.",
+                CallbackText: "Вы проголосовали против переноса.");
+        }
+
+        var everyoneApproved = approvedParticipants == totalParticipants;
+
+        return new RescheduleVoteDecision(
+            Outcome: everyoneApproved ? RescheduleVoteOutcome.Approved : RescheduleVoteOutcome.Pending,
+            Reason: everyoneApproved
+                ? "Все участники согласны."
+                : "Голосование продолжается.",
+            CallbackText: everyoneApproved
+                ? "Вы подтвердили перенос! Все согласны — время обновлено."
+                : "Вы подтвердили перенос!",
+            ShouldRescheduleSession: everyoneApproved,
+            ShouldResetParticipantRsvps: everyoneApproved);
+    }
+}