transactions

2025-08-24 14:18:20 +02:00
parent 1b2d95344a
commit 5777e351bf
107 changed files with 4940 additions and 1266 deletions
--- a/back/DataModels/Ranking.cs
+++ b/back/DataModels/Ranking.cs
@@ -0,0 +1,119 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace back.DataModels;
+
+public class RankingGroup 
+{
+    public const float ExtremlyBad = 1/5f;
+    public const float Bad = 2 / 5f;
+    public const float Normal = 3 / 5f;
+    public const float Good = 4 / 5f;
+    public const float ExtremlyGood = 5 / 5f;
+
+    public static string GetGroup(float score) => (float)Math.Ceiling(score) switch
+    {
+        <= ExtremlyBad => nameof(ExtremlyBad),
+        <= Bad => nameof(Bad),
+        <= Normal => nameof(Normal),
+        <= Good => nameof(Good),
+        _ => nameof(ExtremlyGood)
+    };
+}
+
+[Table("Rankings")]
+public partial class Ranking : IEquatable<Ranking>
+{
+    [Key, DatabaseGenerated(DatabaseGeneratedOption.Identity)]
+    public string Id { get; set; } = null!;
+    public int TotalVotes { get; set; }
+    public int UpVotes { get; set; }
+    public int DownVotes { get; set; }
+
+    public Ranking(int totalVotes, int upVotes = 0, int downVotes = 0)
+    {
+        TotalVotes = totalVotes;
+        UpVotes = upVotes;
+        DownVotes = downVotes;
+    }
+
+    public Ranking()
+    {
+        TotalVotes = 0;
+        UpVotes = 0;
+        DownVotes = 0;
+    }
+
+    public void DownVote()
+    {
+        DownVotes++;
+        TotalVotes++;
+    }
+
+    public void UpVote()
+    {
+        UpVotes++;
+        TotalVotes++;
+    }
+
+    public float Score
+    {
+        get
+        {
+            if (TotalVotes == 0) return 0;
+            return (float)(UpVotes - DownVotes) / TotalVotes;
+        }
+    }
+
+    public string Group => RankingGroup.GetGroup(Score);
+
+    public override int GetHashCode() => HashCode.Combine(Id, TotalVotes, UpVotes, DownVotes);
+
+    public override bool Equals(object? obj) => obj is Ranking otherEvent && Equals(otherEvent);
+
+    public bool Equals(Ranking? other)
+    {
+        if (other is null) return false;
+        if (ReferenceEquals(this, other)) return true;
+        return
+            Id == other.Id 
+            || GetHashCode() == other.GetHashCode()
+            || (TotalVotes == other.TotalVotes && UpVotes == other.UpVotes && DownVotes == other.DownVotes);
+    }
+
+    public static bool operator ==(Ranking ranking1, Ranking ranking2) 
+    {
+        if (ranking1 is null && ranking2 is null) return true;
+        if (ranking1 is null || ranking2 is null) return false;
+        return ranking1.Equals(ranking2);
+    }
+
+    public static bool operator !=(Ranking ranking1, Ranking ranking2)
+    {
+        if (ranking1 is null && ranking2 is null) return false;
+        if (ranking1 is null || ranking2 is null) return true;
+        return !ranking1.Equals(ranking2);
+    }
+
+    public static bool operator < (Ranking ranking1, Ranking ranking2)
+    {
+        ArgumentNullException.ThrowIfNull(ranking1, nameof(ranking1));
+        ArgumentNullException.ThrowIfNull(ranking2, nameof(ranking2));
+        return ranking1.Score < ranking2.Score;
+    }
+
+    public static bool operator > (Ranking ranking1, Ranking ranking2)
+    {
+        ArgumentNullException.ThrowIfNull(ranking1, nameof(ranking1));
+        ArgumentNullException.ThrowIfNull(ranking2, nameof(ranking2));
+        if (ranking1 is null && ranking2 is null) return true;
+        if (ranking1 is null || ranking2 is null) return false;
+        return ranking1.Score > ranking2.Score;
+    }
+
+    public static bool operator <= (Ranking ranking1, Ranking ranking2)
+        => ranking1 == ranking2 || ranking1 < ranking2;
+
+    public static bool operator >= (Ranking ranking1, Ranking ranking2)
+        => ranking1 == ranking2 || ranking1 > ranking2;
+}