Finish Owner Relationship, update races and add first helpers for derived values. Update naming

Stars Assistant/CSV/Planet.cs

@@ -240,7 +240,7 @@ public class Planet
         if (dbPlanet.Name != Name)
             throw new InvalidOperationException($"DB Planet Name {dbPlanet.Name} does not macth the CSV Planet Name {Name}");
 
-        dbPlanet.Owner = Owner;
+        dbPlanet.OwnerId = Owner != "" ? Owner : null;
         dbPlanet.StarbaseType = StarbaseType;
         dbPlanet.ReportAge = ReportAge;
         dbPlanet.Population = Population;

Stars Assistant/Model/Planet.cs

@@ -5,12 +5,14 @@ namespace StarsAssistant.Model;
 
 public class Planet
 {
+    #region Persistant and derived propeties
+
     public const int MinEffectiveValue = 5;
 
     [Key]
     public required string Name { get; set; }
 
-    public string? Owner { get; set; }
+    public string? OwnerId { get; set; }
     
     public string? StarbaseType { get; set; }
     
@@ -77,4 +79,41 @@ public class Planet
     public int? GateMass { get; set; }
     
     public int? PctDamage { get; set; }
+
+    #endregion
+
+    #region Relationships
+
+    public Race? Owner { get; set; }
+
+    #endregion
+
+    #region Derived Properties
+
+    public int EffectiveValue => (Value == null) ? 0 : Math.Max((int)Value, MinEffectiveValue);
+
+    public int MaxPopOnPlanet => Race.Player.MaxPopOnPlanet * EffectiveValue / 100;
+
+    public int PopGrowth(int currentPop, int maxPop, int value) {
+        // What to do with non player races?
+        if (OwnerId != Race.Player.Name) return 0;
+
+        double popRatio = currentPop / maxPop;
+        int growth = 0;
+        if (value < 0)
+            growth = currentPop * value / 10;
+        else if (popRatio <= 0.25)
+            growth = currentPop * value * (Race.Player.GrowthRatePercent ?? 0) / 100;
+        else if (popRatio <= 1)
+            growth = currentPop * value * (Race.Player.GrowthRatePercent ?? 0) /100 * 16 / 9 * ((int) Math.Pow(1 - popRatio, 2));
+        else
+            growth = (int) (currentPop * (popRatio - 1) * 0.04);
+
+        return growth / 100 * 100;
+    }
+
+    public int PopGrowth() => PopGrowth(Population ?? 0, MaxPopOnPlanet, Value ?? 0);
+
+    #endregion
+
 }

Stars Assistant/Model/Race.cs

@@ -15,14 +15,18 @@ public enum PRT {
 
 public class Race
 {
+    #region Persistant and derived properties
+
     [Key]
     public required string Name { get; set; }
 
-    public int ColonistsPerResource { get; set; }
+    public bool PlayerRace { get; set; } = false;
 
-    public int GrowthRatePercent { get; set; }
+    public int? ColonistsPerResource { get; set; }
 
-    private PRT _PRT;
+    public int? GrowthRatePercent { get; set; }
+
+    private PRT _PRT = PRT.Other;
     public PRT PRT { 
         get => _PRT; 
         set {
@@ -31,8 +35,8 @@ public class Race
         }
     }
 
-    private bool _hasOBRM;
+    private bool? _hasOBRM;
-    public bool HasOBRM { 
+    public bool? HasOBRM { 
         get => _hasOBRM; 
         set {
             _hasOBRM = value;
@@ -49,29 +53,50 @@ public class Race
     [NotMapped]
     public int MaxEffectivePopOnGreen { get; private set; }
 
-    private bool _factoryCost3;
+    private bool? _factoryCost3;
-    public bool FactoryCost3 { 
+    public bool? FactoryCost3 { 
         get => _factoryCost3; 
         set {
             _factoryCost3 = value;
-            FactoryGerCost = _factoryCost3 ? 3 : 4;
+            FactoryGerCost = (_factoryCost3 ?? false) ? 3 : 4;
         }
     }
 
     [NotMapped]
     public int FactoryGerCost { get; private set; }
 
-    public int FactoryNumberPer10k { get; set; }
+    public int? FactoryNumberPer10k { get; set; }
 
-    public int FactoryResCost { get; set; }
+    public int? FactoryResCost { get; set; }
 
-    public int FactoryResPer10 { get; set; }
+    public int? FactoryResPer10 { get; set; }
 
-    public int MineResCost { get; set; }
+    public int? MineResCost { get; set; }
 
-    public int MineNumberPer10k { get; set; }
+    public int? MineNumberPer10k { get; set; }
 
-    public int MineMineralsPer10 { get; set; }
+    public int? MineMineralsPer10 { get; set; }
+
+    #endregion
+
+    #region Relationships
+
+    public ICollection<Planet> Planets { get; } = new List<Planet>();
+
+    // TODO: Implement Lazy Loader, currently hardcoded in testing startup code
+    public static Race _player = null!;
+    public static Race Player { 
+        get => _player; 
+        set => _player = value; 
+    }
+
+    #endregion
+
+    #region Public Helpers
+
+    #endregion
+
+    #region Internal Helpers
 
     private void UpdatePopDerivedValues() {
         const int basePop = 1_000_000;
@@ -81,10 +106,11 @@ public class Race
             PRT.JOAT => 1.2,
             _ => 1,
         };
-        double obrmMod = HasOBRM ? 1.1 : 1.0;
+        double obrmMod = (HasOBRM ?? false) ? 1.1 : 1.0;
         MaxPopOnPlanet = Convert.ToInt32(basePop * prtMod * obrmMod);
         MaxEffectivePopOnRed = MaxPopOnPlanet * Planet.MinEffectiveValue / 100 * 3;
         MaxEffectivePopOnGreen = MaxPopOnPlanet * 3;
     }
 
+    #endregion
 }

Stars Assistant/Model/StarsDatabase.cs

@@ -25,12 +25,12 @@ public class StarsDatabase(string DbPath) : DbContext
     /// <summary>
     /// List of all Planets read.
     /// </summary>
-    public DbSet<Planet> Planets { get; set; }
+    public DbSet<Planet> Planet { get; set; }
 
     /// <summary>
     /// Lists of all defined races.
     /// </summary>
-    public DbSet<Race> Races { get; set; }
+    public DbSet<Race> Race { get; set; }
 
     #endregion
 }

Stars Assistant/Program.cs

@@ -45,6 +45,7 @@ sealed class Program
         Race r = new()
         {
             Name = "Atlantis",
+            PlayerRace = true,
             ColonistsPerResource = 1000,
             GrowthRatePercent = 19,
             PRT = PRT.Other,
@@ -58,6 +59,8 @@ sealed class Program
             MineNumberPer10k = 10
         };
         db.Add(r);
+        db.SaveChanges();
+        Race.Player = r;
 
         var config = CsvConfiguration.FromAttributes<Planet>(CultureInfo.InvariantCulture);
         config.Delimiter = "\t";
@@ -68,15 +71,31 @@ sealed class Program
         using (var csv = new CsvReader(reader, config))
         {
             List<CSV.Planet> records = csv.GetRecords<CSV.Planet>().ToList();
-            foreach (CSV.Planet csvp in records)
+            var planetByPlayer = from csvp in records
-            {
+                group csvp by csvp.Owner into byOwners
-                Planet p = new Planet{ Name = csvp.Name };
+                select byOwners;
-                csvp.UpdateDbPlanet(p);
-                db.Add(p);
-            }
-            db.SaveChanges();
-        }
 
+            foreach (var owner in planetByPlayer)
+            {
+                if (owner.Key != "Atlantis")
+                {
+                    r = new()
+                    {
+                        Name = owner.Key
+                    };
+                    db.Add(r);
+                    db.SaveChanges();  
+                }
+
+                foreach (CSV.Planet csvp in owner)
+                {
+                    Planet p = new Planet{ Name = csvp.Name };
+                    csvp.UpdateDbPlanet(p);
+                    db.Add(p);
+                }
+                db.SaveChanges();
+            }
+        }
     }
 }
 

Stars Assistant/ViewModels/PlanetViewModel.cs

@@ -1,4 +1,5 @@
 using System.Collections.ObjectModel;
+using Microsoft.EntityFrameworkCore;
 using StarsAssistant.Model;
 
 namespace StarsAssistant.ViewModels;
@@ -8,7 +9,7 @@ public partial class PlanetViewModel(Planet planet) : ViewModelBase
     public static ObservableCollection<PlanetViewModel> LoadAll() {
         var context = new StarsDatabase("stars.sqlite");
         var result = new ObservableCollection<PlanetViewModel>();
-        foreach (Planet planet in context.Planets.ToList())
+        foreach (Planet planet in context.Planet.Where(p => p.OwnerId == "Atlantis").ToList())
         {
             var vm = new PlanetViewModel(planet);
             result.Add(vm);
@@ -20,7 +21,7 @@ public partial class PlanetViewModel(Planet planet) : ViewModelBase
 
     public string Name => planet.Name;
 
-    public string Owner => planet.Owner ?? String.Empty;
+    public string Owner => planet.OwnerId ?? String.Empty;
 
     public int Value => planet.Value ?? 0;
 }