1 | using backend.Entities;
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2 | using Microsoft.EntityFrameworkCore;
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3 |
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4 | namespace backend.Data
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5 | {
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6 | public class DataContext : DbContext
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7 | {
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8 | public DataContext(DbContextOptions<DataContext> dbContextOptions) : base(dbContextOptions)
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9 | {
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10 | }
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11 |
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12 | private DbSet<User> users;
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13 | public DbSet<User> Users
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14 | {
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15 | get
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16 | {
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17 | if (users == null)
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18 | {
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19 | users = Set<User>();
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20 | }
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21 |
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22 | return users;
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23 | }
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24 | }
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25 |
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26 | private DbSet<Restaurant> restaurants;
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27 | public DbSet<Restaurant> Restoraunts
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28 | {
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29 | get
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30 | {
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31 | if (restaurants == null)
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32 | {
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33 | restaurants = Set<Restaurant>();
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34 | }
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35 |
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36 | return restaurants;
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37 | }
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38 | }
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39 |
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40 | private DbSet<Reservation> reservations;
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41 | public DbSet<Reservation> Reservations
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42 | {
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43 | get
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44 | {
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45 | if (reservations == null)
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46 | {
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47 | reservations = Set<Reservation>();
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48 | }
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49 |
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50 | return reservations;
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51 | }
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52 | }
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53 |
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54 |
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55 | protected override void OnModelCreating(ModelBuilder modelBuilder)
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56 | {
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57 | //
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58 | // User
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59 | //
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60 | modelBuilder.Entity<User>().Property(x => x.Id).IsRequired().ValueGeneratedOnAdd();
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61 | modelBuilder.Entity<User>()
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62 | .HasOne(p => p.Restaurant)
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63 | .WithOne(b => b.Owner);
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64 |
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65 | //
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66 | // Restoraunt
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67 | //
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68 | modelBuilder.Entity<Restaurant>().Property(x => x.Id).IsRequired().ValueGeneratedOnAdd();
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69 | modelBuilder.Entity<Restaurant>()
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70 | .HasOne(p => p.Owner)
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71 | .WithOne(b => b.Restaurant)
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72 | .HasForeignKey<Restaurant>(k => k.OwnerFk);
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73 | modelBuilder.Entity<Restaurant>()
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74 | .HasMany(p => p.Reservations)
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75 | .WithOne(b => b.Restaurant);
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76 |
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77 | //
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78 | // Reservation
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79 | //
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80 | modelBuilder.Entity<Reservation>().Property(x => x.Id).IsRequired().ValueGeneratedOnAdd();
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81 | modelBuilder.Entity<Reservation>()
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82 | .HasOne(p => p.Restaurant)
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83 | .WithMany(b => b.Reservations);
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84 | }
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85 | }
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86 | }
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