feat: scaffold backend and shared library

src/ASTRAIN.Shared/ASTRAIN.Shared.csproj

@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

src/ASTRAIN.Shared/Class1.cs

@@ -0,0 +1,139 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace ASTRAIN.Shared;
+
+public class User
+{
+	[Key]
+	[MaxLength(8)]
+	public string Id { get; set; } = string.Empty;
+
+	public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+
+	public List<Exercise> Exercises { get; set; } = new();
+	public List<Routine> Routines { get; set; } = new();
+}
+
+public class Exercise
+{
+	public int Id { get; set; }
+
+	[Required]
+	[MaxLength(120)]
+	public string Name { get; set; } = string.Empty;
+
+	[Required]
+	[MaxLength(8)]
+	public string UserId { get; set; } = string.Empty;
+
+	public User? User { get; set; }
+
+	public List<RoutineExercise> RoutineExercises { get; set; } = new();
+}
+
+public class Routine
+{
+	public int Id { get; set; }
+
+	[Required]
+	[MaxLength(120)]
+	public string Name { get; set; } = string.Empty;
+
+	[Required]
+	[MaxLength(8)]
+	public string UserId { get; set; } = string.Empty;
+
+	public User? User { get; set; }
+
+	public List<RoutineExercise> Exercises { get; set; } = new();
+	public List<RoutineRun> Runs { get; set; } = new();
+}
+
+public class RoutineExercise
+{
+	public int Id { get; set; }
+
+	[Required]
+	public int RoutineId { get; set; }
+
+	public Routine? Routine { get; set; }
+
+	[Required]
+	public int ExerciseId { get; set; }
+
+	public Exercise? Exercise { get; set; }
+
+	public int Order { get; set; }
+}
+
+public class RoutineRun
+{
+	public int Id { get; set; }
+
+	[Required]
+	public int RoutineId { get; set; }
+
+	public Routine? Routine { get; set; }
+
+	[Required]
+	[MaxLength(8)]
+	public string UserId { get; set; } = string.Empty;
+
+	public DateTime PerformedAt { get; set; } = DateTime.UtcNow;
+
+	public List<RoutineRunEntry> Entries { get; set; } = new();
+}
+
+public class RoutineRunEntry
+{
+	public int Id { get; set; }
+
+	[Required]
+	public int RoutineRunId { get; set; }
+
+	public RoutineRun? RoutineRun { get; set; }
+
+	[Required]
+	public int ExerciseId { get; set; }
+
+	public Exercise? Exercise { get; set; }
+
+	public double Weight { get; set; }
+
+	public bool Completed { get; set; }
+}
+
+public record EnsureUserResponse(string UserId);
+
+public record ExerciseDto(int Id, string Name);
+
+public record ExerciseUpsertRequest(string Name);
+
+public record RoutineExerciseDto(int ExerciseId, string Name, int Order);
+
+public record RoutineDto(int Id, string Name, List<RoutineExerciseDto> Exercises);
+
+public record RoutineUpsertRequest(string Name, List<int> ExerciseIds);
+
+public class RoutineRunEntryDto
+{
+	public int ExerciseId { get; set; }
+	public double Weight { get; set; }
+	public bool Completed { get; set; }
+
+	public RoutineRunEntryDto()
+	{
+	}
+
+	public RoutineRunEntryDto(int exerciseId, double weight, bool completed)
+	{
+		ExerciseId = exerciseId;
+		Weight = weight;
+		Completed = completed;
+	}
+}
+
+public record RoutineRunRequest(List<RoutineRunEntryDto> Entries);
+
+public record RoutineRunSummaryDto(DateTime PerformedAt, List<RoutineRunEntryDto> Entries);