feat(Program): accept day as arg through dotnet run

Author: sindrekjr

AdventOfCode.Solutions/SolutionBase.cs

@@ -133,9 +133,9 @@ string LoadInput(bool debug = false)
     }
 
     public override string ToString() =>
-        $"--- Day {Day}: {Title} --- {(Debug ? "!! Debug mode active, using DebugInput !!" : "")}\n"
+        $"\n--- Day {Day}: {Title} --- {(Debug ? "!! Debug mode active, using DebugInput !!" : "")}\n"
         + $"{ResultToString(1, Part1)}\n"
-        + $"{ResultToString(2, Part2)}\n";
+        + $"{ResultToString(2, Part2)}";
 
     string ResultToString(int part, SolutionResult result) =>
         $"  - Part{part} => " + (string.IsNullOrEmpty(result.Answer) 

AdventOfCode.Solutions/SolutionCollector.cs

@@ -1,13 +1,7 @@
-using AdventOfCode.Services;
-
 namespace AdventOfCode.Solutions;
 
 public static class SolutionCollector
 {
-    public static IEnumerable<SolutionBase> FetchSolutions() => FetchSolutions(ConfigurationService.GetYear(), ConfigurationService.GetDays());
-
-    public static IEnumerable<SolutionBase> FetchSolutions(int year) => FetchSolutions(year, ConfigurationService.GetDays());
-
     public static IEnumerable<SolutionBase> FetchSolutions(int year, IEnumerable<int> days)
     {
         if (days.Sum() == 0) days = Enumerable.Range(1, 25).ToArray();

Program.cs

@@ -1,7 +1,12 @@
-using AdventOfCode.Solutions;
+using AdventOfCode.Services;
+using AdventOfCode.Solutions;
 
-Console.WriteLine();
-foreach (var solution in SolutionCollector.FetchSolutions())
+var year = ConfigurationService.GetYear();
+var days = ConfigurationService.GetDays();
+
+if (args.Length > 0 && int.TryParse(args.First(), out int day)) days = new[] { day };
+
+foreach (var solution in SolutionCollector.FetchSolutions(year, days))
 {
     Console.WriteLine(solution.ToString());
 }