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35
Models/IdrottContext.cs
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35
Models/IdrottContext.cs
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using Microsoft.EntityFrameworkCore;
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using System.Linq;
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namespace PersonSport.Models {
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public class IdrottContext : DbContext {
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public DbSet<Person> Personer { get; set; }
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public DbSet<Sport> Sporter { get; set; }
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public DbSet<Admin> Administratorer { get; set; }
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protected override void OnConfiguring(DbContextOptionsBuilder options)
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// Azure
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// => options.UseSqlite("FileName=C:/Users/ChristianOhlsson(HV)/OneDrive - Högskolan Väst/skola/Databasteknik och webbaserade system [Umeå HT21]/Projektarbete/PersonSport/Data/PersonSport.db");
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// Lokalt
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=> options.UseSqlite("DataSource=./Data/PersonSport.db");
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protected override void OnModelCreating(ModelBuilder modelBuilder) {
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modelBuilder.Entity<PersonSport>()
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.HasKey(c => new { c.PersonId, c.SportId });
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modelBuilder.Entity<Person>()
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.HasMany(c => c.PersonSporter);
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modelBuilder.Entity<Sport>()
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.HasMany(c => c.PersonSporter);
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// Tar bort "ON DELETE CASCADE" så att inte sporten försvinner om sista personen
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// som utövar den gör det.
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base.OnModelCreating(modelBuilder);
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foreach (var relationship in modelBuilder.Model.GetEntityTypes().SelectMany(e => e.GetForeignKeys())) {
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relationship.DeleteBehavior = DeleteBehavior.Restrict;
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}
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}
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}
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}
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