Preliminary EntityFramework support

BirthdayBot.csproj

@@ -23,10 +23,12 @@
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.8.0" />
     <PackageReference Include="Discord.Net" Version="3.4.1" />
+    <PackageReference Include="EFCore.NamingConventions" Version="6.0.0" />
     <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="6.0.0" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="NodaTime" Version="3.0.9" />
     <PackageReference Include="Npgsql" Version="6.0.3" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="6.0.3" />
   </ItemGroup>
 
 </Project>

Data/BlocklistEntry.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace BirthdayBot.Data;
+
+[Table("banned_users")]
+public class BlocklistEntry {
+    [Key]
+    [Column("guild_id")]
+    public long GuildId { get; set; }
+    [Key]
+    [Column("user_id")]
+    public long UserId { get; set; }
+
+    [ForeignKey(nameof(GuildConfig.GuildId))]
+    [InverseProperty(nameof(GuildConfig.BlockedUsers))]
+    public GuildConfig Guild { get; set; } = null!;
+}

Data/BotDatabaseContext.cs

@@ -0,0 +1,47 @@
+using Microsoft.EntityFrameworkCore;
+
+namespace BirthdayBot.Data;
+
+public class BotDatabaseContext : DbContext {
+    public virtual DbSet<BlocklistEntry> BlocklistEntries { get; set; } = null!;
+    public virtual DbSet<GuildConfig> GuildConfigurations { get; set; } = null!;
+    public virtual DbSet<UserEntry> UserEntries { get; set; } = null!;
+
+    protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+         => optionsBuilder
+            .UseNpgsql("Host=localhost;Username=birthdaybot;Password=bb") // TODO use actual connection string
+            .UseSnakeCaseNamingConvention();
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder) {
+        modelBuilder.Entity<BlocklistEntry>(entity => {
+            entity.HasKey(e => new { e.GuildId, e.UserId })
+                .HasName("banned_users_pkey");
+
+            entity.HasOne(d => d.Guild)
+                .WithMany(p => p.BlockedUsers)
+                .HasForeignKey(d => d.GuildId)
+                .HasConstraintName("banned_users_guild_id_fkey");
+        });
+
+        modelBuilder.Entity<GuildConfig>(entity => {
+            entity.HasKey(e => e.GuildId)
+                .HasName("settings_pkey");
+
+            entity.Property(e => e.GuildId).ValueGeneratedNever();
+
+            entity.Property(e => e.LastSeen).HasDefaultValueSql("now()");
+        });
+
+        modelBuilder.Entity<UserEntry>(entity => {
+            entity.HasKey(e => new { e.GuildId, e.UserId })
+                .HasName("user_birthdays_pkey");
+
+            entity.Property(e => e.LastSeen).HasDefaultValueSql("now()");
+
+            entity.HasOne(d => d.Guild)
+                .WithMany(p => p.UserEntries)
+                .HasForeignKey(d => d.GuildId)
+                .HasConstraintName("user_birthdays_guild_id_fkey");
+        });
+    }
+}

Data/GuildConfig.cs

@@ -0,0 +1,39 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace BirthdayBot.Data;
+
+[Table("settings")]
+public class GuildConfig {
+    public GuildConfig() {
+        BlockedUsers = new HashSet<BlocklistEntry>();
+        UserEntries = new HashSet<UserEntry>();
+    }
+
+    [Key]
+    [Column("guild_id")]
+    public long GuildId { get; set; }
+    [Column("role_id")]
+    public long? RoleId { get; set; }
+    [Column("channel_announce_id")]
+    public long? ChannelAnnounceId { get; set; }
+    [Column("time_zone")]
+    public string? TimeZone { get; set; }
+    [Column("moderated")]
+    public bool Moderated { get; set; }
+    [Column("moderator_role")]
+    public long? ModeratorRole { get; set; }
+    [Column("announce_message")]
+    public string? AnnounceMessage { get; set; }
+    [Column("announce_message_pl")]
+    public string? AnnounceMessagePl { get; set; }
+    [Column("announce_ping")]
+    public bool AnnouncePing { get; set; }
+    [Column("last_seen")]
+    public DateTimeOffset LastSeen { get; set; }
+
+    [InverseProperty(nameof(BlocklistEntry.Guild))]
+    public ICollection<BlocklistEntry> BlockedUsers { get; set; }
+    [InverseProperty(nameof(UserEntry.Guild))]
+    public ICollection<UserEntry> UserEntries { get; set; }
+}

Data/UserEntry.cs

@@ -0,0 +1,26 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace BirthdayBot.Data;
+
+[Table("user_birthdays")]
+public class UserEntry {
+    [Key]
+    [Column("guild_id")]
+    public long GuildId { get; set; }
+    [Key]
+    [Column("user_id")]
+    public long UserId { get; set; }
+    [Column("birth_month")]
+    public int BirthMonth { get; set; }
+    [Column("birth_day")]
+    public int BirthDay { get; set; }
+    [Column("time_zone")]
+    public string? TimeZone { get; set; }
+    [Column("last_seen")]
+    public DateTimeOffset LastSeen { get; set; }
+
+    [ForeignKey(nameof(GuildConfig.GuildId))]
+    [InverseProperty(nameof(GuildConfig.UserEntries))]
+    public GuildConfig Guild { get; set; } = null!;
+}