From 9dae24ad89752abd8834a85c82738f813f208bfa Mon Sep 17 00:00:00 2001
From: Pieter-Jan Briers <pieterjan.briers+git@gmail.com>
Date: Wed, 15 Sep 2021 11:37:05 +0200
Subject: [PATCH] Add extra unique constraints to DB jobs.

1. Can only have one high-priority job now. This actually got messed up for at least 10 people in the production DB and I fixed them manually.
2. Can't have duplicate jobs with the same name on the same profile.
---
 ...15093340_UniqueHighPriorityJob.Designer.cs | 599 ++++++++++++++++++
 .../20210915093340_UniqueHighPriorityJob.cs   |  34 +
 .../PostgresServerDbContextModelSnapshot.cs   |   7 +
 ...15093336_UniqueHighPriorityJob.Designer.cs | 566 +++++++++++++++++
 .../20210915093336_UniqueHighPriorityJob.cs   |  34 +
 .../SqliteServerDbContextModelSnapshot.cs     |   7 +
 Content.Server.Database/Model.cs              |  12 +
 7 files changed, 1259 insertions(+)
 create mode 100644 Content.Server.Database/Migrations/Postgres/20210915093340_UniqueHighPriorityJob.Designer.cs
 create mode 100644 Content.Server.Database/Migrations/Postgres/20210915093340_UniqueHighPriorityJob.cs
 create mode 100644 Content.Server.Database/Migrations/Sqlite/20210915093336_UniqueHighPriorityJob.Designer.cs
 create mode 100644 Content.Server.Database/Migrations/Sqlite/20210915093336_UniqueHighPriorityJob.cs

diff --git a/Content.Server.Database/Migrations/Postgres/20210915093340_UniqueHighPriorityJob.Designer.cs b/Content.Server.Database/Migrations/Postgres/20210915093340_UniqueHighPriorityJob.Designer.cs
new file mode 100644
index 0000000000..633c92b6a2
--- /dev/null
+++ b/Content.Server.Database/Migrations/Postgres/20210915093340_UniqueHighPriorityJob.Designer.cs
@@ -0,0 +1,599 @@
+// <auto-generated />
+using System;
+using System.Net;
+using Content.Server.Database;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+namespace Content.Server.Database.Migrations.Postgres
+{
+    [DbContext(typeof(PostgresServerDbContext))]
+    [Migration("20210915093340_UniqueHighPriorityJob")]
+    partial class UniqueHighPriorityJob
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("Relational:MaxIdentifierLength", 63)
+                .HasAnnotation("ProductVersion", "5.0.3")
+                .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+            modelBuilder.Entity("Content.Server.Database.Admin", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("uuid")
+                        .HasColumnName("user_id");
+
+                    b.Property<int?>("AdminRankId")
+                        .HasColumnType("integer")
+                        .HasColumnName("admin_rank_id");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("text")
+                        .HasColumnName("title");
+
+                    b.HasKey("UserId");
+
+                    b.HasIndex("AdminRankId");
+
+                    b.ToTable("admin");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminFlag", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("admin_flag_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<Guid>("AdminId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("admin_id");
+
+                    b.Property<string>("Flag")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("flag");
+
+                    b.Property<bool>("Negative")
+                        .HasColumnType("boolean")
+                        .HasColumnName("negative");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AdminId");
+
+                    b.HasIndex("Flag", "AdminId")
+                        .IsUnique();
+
+                    b.ToTable("admin_flag");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminRank", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("admin_rank_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("name");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("admin_rank");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminRankFlag", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("admin_rank_flag_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<int>("AdminRankId")
+                        .HasColumnType("integer")
+                        .HasColumnName("admin_rank_id");
+
+                    b.Property<string>("Flag")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("flag");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AdminRankId");
+
+                    b.HasIndex("Flag", "AdminRankId")
+                        .IsUnique();
+
+                    b.ToTable("admin_rank_flag");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Antag", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("antag_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<string>("AntagName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("antag_name");
+
+                    b.Property<int>("ProfileId")
+                        .HasColumnType("integer")
+                        .HasColumnName("profile_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProfileId", "AntagName")
+                        .IsUnique();
+
+                    b.ToTable("antag");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AssignedUserId", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("assigned_user_id_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("user_id");
+
+                    b.Property<string>("UserName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("user_name");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId")
+                        .IsUnique();
+
+                    b.HasIndex("UserName")
+                        .IsUnique();
+
+                    b.ToTable("assigned_user_id");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Job", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("job_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<string>("JobName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("job_name");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("integer")
+                        .HasColumnName("priority");
+
+                    b.Property<int>("ProfileId")
+                        .HasColumnType("integer")
+                        .HasColumnName("profile_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProfileId");
+
+                    b.HasIndex("ProfileId", "JobName")
+                        .IsUnique();
+
+                    b.HasIndex(new[] { "ProfileId" }, "IX_job_one_high_priority")
+                        .IsUnique()
+                        .HasFilter("priority = 3");
+
+                    b.ToTable("job");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.PostgresConnectionLog", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("connection_log_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<IPAddress>("Address")
+                        .IsRequired()
+                        .HasColumnType("inet")
+                        .HasColumnName("address");
+
+                    b.Property<byte[]>("HWId")
+                        .HasColumnType("bytea")
+                        .HasColumnName("hwid");
+
+                    b.Property<DateTime>("Time")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("time");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("user_id");
+
+                    b.Property<string>("UserName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("user_name");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("connection_log");
+
+                    b.HasCheckConstraint("AddressNotIPv6MappedIPv4", "NOT inet '::ffff:0.0.0.0/96' >>= address");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.PostgresPlayer", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("player_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<DateTime>("FirstSeenTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("first_seen_time");
+
+                    b.Property<IPAddress>("LastSeenAddress")
+                        .IsRequired()
+                        .HasColumnType("inet")
+                        .HasColumnName("last_seen_address");
+
+                    b.Property<byte[]>("LastSeenHWId")
+                        .HasColumnType("bytea")
+                        .HasColumnName("last_seen_hwid");
+
+                    b.Property<DateTime>("LastSeenTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_seen_time");
+
+                    b.Property<string>("LastSeenUserName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("last_seen_user_name");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("LastSeenUserName");
+
+                    b.HasIndex("UserId")
+                        .IsUnique();
+
+                    b.ToTable("player");
+
+                    b.HasCheckConstraint("LastSeenAddressNotIPv6MappedIPv4", "NOT inet '::ffff:0.0.0.0/96' >>= last_seen_address");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.PostgresServerBan", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("server_ban_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<ValueTuple<IPAddress, int>?>("Address")
+                        .HasColumnType("inet")
+                        .HasColumnName("address");
+
+                    b.Property<DateTime>("BanTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("ban_time");
+
+                    b.Property<Guid?>("BanningAdmin")
+                        .HasColumnType("uuid")
+                        .HasColumnName("banning_admin");
+
+                    b.Property<DateTime?>("ExpirationTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("expiration_time");
+
+                    b.Property<byte[]>("HWId")
+                        .HasColumnType("bytea")
+                        .HasColumnName("hwid");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("reason");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("Address");
+
+                    b.HasIndex("UserId");
+
+                    b.ToTable("server_ban");
+
+                    b.HasCheckConstraint("AddressNotIPv6MappedIPv4", "NOT inet '::ffff:0.0.0.0/96' >>= address");
+
+                    b.HasCheckConstraint("HaveEitherAddressOrUserIdOrHWId", "address IS NOT NULL OR user_id IS NOT NULL OR hwid IS NOT NULL");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.PostgresServerUnban", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("unban_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<int>("BanId")
+                        .HasColumnType("integer")
+                        .HasColumnName("ban_id");
+
+                    b.Property<DateTime>("UnbanTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("unban_time");
+
+                    b.Property<Guid?>("UnbanningAdmin")
+                        .HasColumnType("uuid")
+                        .HasColumnName("unbanning_admin");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BanId")
+                        .IsUnique();
+
+                    b.ToTable("server_unban");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Preference", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("preference_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<string>("AdminOOCColor")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("admin_ooc_color");
+
+                    b.Property<int>("SelectedCharacterSlot")
+                        .HasColumnType("integer")
+                        .HasColumnName("selected_character_slot");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("uuid")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId")
+                        .IsUnique();
+
+                    b.ToTable("preference");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Profile", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("profile_id")
+                        .HasAnnotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn);
+
+                    b.Property<int>("Age")
+                        .HasColumnType("integer")
+                        .HasColumnName("age");
+
+                    b.Property<string>("Backpack")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("backpack");
+
+                    b.Property<string>("CharacterName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("char_name");
+
+                    b.Property<string>("Clothing")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("clothing");
+
+                    b.Property<string>("EyeColor")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("eye_color");
+
+                    b.Property<string>("FacialHairColor")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("facial_hair_color");
+
+                    b.Property<string>("FacialHairName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("facial_hair_name");
+
+                    b.Property<string>("Gender")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("gender");
+
+                    b.Property<string>("HairColor")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("hair_color");
+
+                    b.Property<string>("HairName")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("hair_name");
+
+                    b.Property<int>("PreferenceId")
+                        .HasColumnType("integer")
+                        .HasColumnName("preference_id");
+
+                    b.Property<int>("PreferenceUnavailable")
+                        .HasColumnType("integer")
+                        .HasColumnName("pref_unavailable");
+
+                    b.Property<string>("Sex")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("sex");
+
+                    b.Property<string>("SkinColor")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("skin_color");
+
+                    b.Property<int>("Slot")
+                        .HasColumnType("integer")
+                        .HasColumnName("slot");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PreferenceId");
+
+                    b.HasIndex("Slot", "PreferenceId")
+                        .IsUnique();
+
+                    b.ToTable("profile");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Admin", b =>
+                {
+                    b.HasOne("Content.Server.Database.AdminRank", "AdminRank")
+                        .WithMany("Admins")
+                        .HasForeignKey("AdminRankId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("AdminRank");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminFlag", b =>
+                {
+                    b.HasOne("Content.Server.Database.Admin", "Admin")
+                        .WithMany("Flags")
+                        .HasForeignKey("AdminId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Admin");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminRankFlag", b =>
+                {
+                    b.HasOne("Content.Server.Database.AdminRank", "Rank")
+                        .WithMany("Flags")
+                        .HasForeignKey("AdminRankId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Rank");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Antag", b =>
+                {
+                    b.HasOne("Content.Server.Database.Profile", "Profile")
+                        .WithMany("Antags")
+                        .HasForeignKey("ProfileId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Profile");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Job", b =>
+                {
+                    b.HasOne("Content.Server.Database.Profile", "Profile")
+                        .WithMany("Jobs")
+                        .HasForeignKey("ProfileId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Profile");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.PostgresServerUnban", b =>
+                {
+                    b.HasOne("Content.Server.Database.PostgresServerBan", "Ban")
+                        .WithOne("Unban")
+                        .HasForeignKey("Content.Server.Database.PostgresServerUnban", "BanId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Ban");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Profile", b =>
+                {
+                    b.HasOne("Content.Server.Database.Preference", "Preference")
+                        .WithMany("Profiles")
+                        .HasForeignKey("PreferenceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Preference");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Admin", b =>
+                {
+                    b.Navigation("Flags");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminRank", b =>
+                {
+                    b.Navigation("Admins");
+
+                    b.Navigation("Flags");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.PostgresServerBan", b =>
+                {
+                    b.Navigation("Unban");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Preference", b =>
+                {
+                    b.Navigation("Profiles");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Profile", b =>
+                {
+                    b.Navigation("Antags");
+
+                    b.Navigation("Jobs");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Content.Server.Database/Migrations/Postgres/20210915093340_UniqueHighPriorityJob.cs b/Content.Server.Database/Migrations/Postgres/20210915093340_UniqueHighPriorityJob.cs
new file mode 100644
index 0000000000..ae09e9a9a5
--- /dev/null
+++ b/Content.Server.Database/Migrations/Postgres/20210915093340_UniqueHighPriorityJob.cs
@@ -0,0 +1,34 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Content.Server.Database.Migrations.Postgres
+{
+    public partial class UniqueHighPriorityJob : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_job_one_high_priority",
+                table: "job",
+                column: "profile_id",
+                unique: true,
+                filter: "priority = 3");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_job_profile_id_job_name",
+                table: "job",
+                columns: new[] { "profile_id", "job_name" },
+                unique: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_job_one_high_priority",
+                table: "job");
+
+            migrationBuilder.DropIndex(
+                name: "IX_job_profile_id_job_name",
+                table: "job");
+        }
+    }
+}
diff --git a/Content.Server.Database/Migrations/Postgres/PostgresServerDbContextModelSnapshot.cs b/Content.Server.Database/Migrations/Postgres/PostgresServerDbContextModelSnapshot.cs
index f849591596..36b2e55180 100644
--- a/Content.Server.Database/Migrations/Postgres/PostgresServerDbContextModelSnapshot.cs
+++ b/Content.Server.Database/Migrations/Postgres/PostgresServerDbContextModelSnapshot.cs
@@ -196,6 +196,13 @@ namespace Content.Server.Database.Migrations.Postgres
 
                     b.HasIndex("ProfileId");
 
+                    b.HasIndex("ProfileId", "JobName")
+                        .IsUnique();
+
+                    b.HasIndex(new[] { "ProfileId" }, "IX_job_one_high_priority")
+                        .IsUnique()
+                        .HasFilter("priority = 3");
+
                     b.ToTable("job");
                 });
 
diff --git a/Content.Server.Database/Migrations/Sqlite/20210915093336_UniqueHighPriorityJob.Designer.cs b/Content.Server.Database/Migrations/Sqlite/20210915093336_UniqueHighPriorityJob.Designer.cs
new file mode 100644
index 0000000000..b8b69e3c4f
--- /dev/null
+++ b/Content.Server.Database/Migrations/Sqlite/20210915093336_UniqueHighPriorityJob.Designer.cs
@@ -0,0 +1,566 @@
+// <auto-generated />
+using System;
+using Content.Server.Database;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+namespace Content.Server.Database.Migrations.Sqlite
+{
+    [DbContext(typeof(SqliteServerDbContext))]
+    [Migration("20210915093336_UniqueHighPriorityJob")]
+    partial class UniqueHighPriorityJob
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "5.0.3");
+
+            modelBuilder.Entity("Content.Server.Database.Admin", b =>
+                {
+                    b.Property<Guid>("UserId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("user_id");
+
+                    b.Property<int?>("AdminRankId")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("admin_rank_id");
+
+                    b.Property<string>("Title")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("title");
+
+                    b.HasKey("UserId");
+
+                    b.HasIndex("AdminRankId");
+
+                    b.ToTable("admin");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminFlag", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("admin_flag_id");
+
+                    b.Property<Guid>("AdminId")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("admin_id");
+
+                    b.Property<string>("Flag")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("flag");
+
+                    b.Property<bool>("Negative")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("negative");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AdminId");
+
+                    b.HasIndex("Flag", "AdminId")
+                        .IsUnique();
+
+                    b.ToTable("admin_flag");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminRank", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("admin_rank_id");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("name");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("admin_rank");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminRankFlag", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("admin_rank_flag_id");
+
+                    b.Property<int>("AdminRankId")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("admin_rank_id");
+
+                    b.Property<string>("Flag")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("flag");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("AdminRankId");
+
+                    b.HasIndex("Flag", "AdminRankId")
+                        .IsUnique();
+
+                    b.ToTable("admin_rank_flag");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Antag", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("antag_id");
+
+                    b.Property<string>("AntagName")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("antag_name");
+
+                    b.Property<int>("ProfileId")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("profile_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProfileId", "AntagName")
+                        .IsUnique();
+
+                    b.ToTable("antag");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AssignedUserId", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("assigned_user_id_id");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("user_id");
+
+                    b.Property<string>("UserName")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("user_name");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId")
+                        .IsUnique();
+
+                    b.HasIndex("UserName")
+                        .IsUnique();
+
+                    b.ToTable("assigned_user_id");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Job", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("job_id");
+
+                    b.Property<string>("JobName")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("job_name");
+
+                    b.Property<int>("Priority")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("priority");
+
+                    b.Property<int>("ProfileId")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("profile_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProfileId");
+
+                    b.HasIndex("ProfileId", "JobName")
+                        .IsUnique();
+
+                    b.HasIndex(new[] { "ProfileId" }, "IX_job_one_high_priority")
+                        .IsUnique()
+                        .HasFilter("priority = 3");
+
+                    b.ToTable("job");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Preference", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("preference_id");
+
+                    b.Property<string>("AdminOOCColor")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("admin_ooc_color");
+
+                    b.Property<int>("SelectedCharacterSlot")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("selected_character_slot");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("UserId")
+                        .IsUnique();
+
+                    b.ToTable("preference");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Profile", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("profile_id");
+
+                    b.Property<int>("Age")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("age");
+
+                    b.Property<string>("Backpack")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("backpack");
+
+                    b.Property<string>("CharacterName")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("char_name");
+
+                    b.Property<string>("Clothing")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("clothing");
+
+                    b.Property<string>("EyeColor")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("eye_color");
+
+                    b.Property<string>("FacialHairColor")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("facial_hair_color");
+
+                    b.Property<string>("FacialHairName")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("facial_hair_name");
+
+                    b.Property<string>("Gender")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("gender");
+
+                    b.Property<string>("HairColor")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("hair_color");
+
+                    b.Property<string>("HairName")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("hair_name");
+
+                    b.Property<int>("PreferenceId")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("preference_id");
+
+                    b.Property<int>("PreferenceUnavailable")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("pref_unavailable");
+
+                    b.Property<string>("Sex")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("sex");
+
+                    b.Property<string>("SkinColor")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("skin_color");
+
+                    b.Property<int>("Slot")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("slot");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PreferenceId");
+
+                    b.HasIndex("Slot", "PreferenceId")
+                        .IsUnique();
+
+                    b.ToTable("profile");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.SqliteConnectionLog", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("connection_log_id");
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("address");
+
+                    b.Property<byte[]>("HWId")
+                        .HasColumnType("BLOB")
+                        .HasColumnName("hwid");
+
+                    b.Property<DateTime>("Time")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("time");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("user_id");
+
+                    b.Property<string>("UserName")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("user_name");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("connection_log");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.SqlitePlayer", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("player_id");
+
+                    b.Property<DateTime>("FirstSeenTime")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("first_seen_time");
+
+                    b.Property<string>("LastSeenAddress")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("last_seen_address");
+
+                    b.Property<byte[]>("LastSeenHWId")
+                        .HasColumnType("BLOB")
+                        .HasColumnName("last_seen_hwid");
+
+                    b.Property<DateTime>("LastSeenTime")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("last_seen_time");
+
+                    b.Property<string>("LastSeenUserName")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("last_seen_user_name");
+
+                    b.Property<Guid>("UserId")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("LastSeenUserName");
+
+                    b.ToTable("player");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.SqliteServerBan", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("ban_id");
+
+                    b.Property<string>("Address")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("address");
+
+                    b.Property<DateTime>("BanTime")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("ban_time");
+
+                    b.Property<Guid?>("BanningAdmin")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("banning_admin");
+
+                    b.Property<DateTime?>("ExpirationTime")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("expiration_time");
+
+                    b.Property<byte[]>("HWId")
+                        .HasColumnType("BLOB")
+                        .HasColumnName("hwid");
+
+                    b.Property<string>("Reason")
+                        .IsRequired()
+                        .HasColumnType("TEXT")
+                        .HasColumnName("reason");
+
+                    b.Property<Guid?>("UserId")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("ban");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.SqliteServerUnban", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("unban_id");
+
+                    b.Property<int>("BanId")
+                        .HasColumnType("INTEGER")
+                        .HasColumnName("ban_id");
+
+                    b.Property<DateTime>("UnbanTime")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("unban_time");
+
+                    b.Property<Guid?>("UnbanningAdmin")
+                        .HasColumnType("TEXT")
+                        .HasColumnName("unbanning_admin");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("BanId")
+                        .IsUnique();
+
+                    b.ToTable("unban");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Admin", b =>
+                {
+                    b.HasOne("Content.Server.Database.AdminRank", "AdminRank")
+                        .WithMany("Admins")
+                        .HasForeignKey("AdminRankId")
+                        .OnDelete(DeleteBehavior.SetNull);
+
+                    b.Navigation("AdminRank");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminFlag", b =>
+                {
+                    b.HasOne("Content.Server.Database.Admin", "Admin")
+                        .WithMany("Flags")
+                        .HasForeignKey("AdminId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Admin");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminRankFlag", b =>
+                {
+                    b.HasOne("Content.Server.Database.AdminRank", "Rank")
+                        .WithMany("Flags")
+                        .HasForeignKey("AdminRankId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Rank");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Antag", b =>
+                {
+                    b.HasOne("Content.Server.Database.Profile", "Profile")
+                        .WithMany("Antags")
+                        .HasForeignKey("ProfileId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Profile");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Job", b =>
+                {
+                    b.HasOne("Content.Server.Database.Profile", "Profile")
+                        .WithMany("Jobs")
+                        .HasForeignKey("ProfileId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Profile");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Profile", b =>
+                {
+                    b.HasOne("Content.Server.Database.Preference", "Preference")
+                        .WithMany("Profiles")
+                        .HasForeignKey("PreferenceId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Preference");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.SqliteServerUnban", b =>
+                {
+                    b.HasOne("Content.Server.Database.SqliteServerBan", "Ban")
+                        .WithOne("Unban")
+                        .HasForeignKey("Content.Server.Database.SqliteServerUnban", "BanId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Ban");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Admin", b =>
+                {
+                    b.Navigation("Flags");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.AdminRank", b =>
+                {
+                    b.Navigation("Admins");
+
+                    b.Navigation("Flags");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Preference", b =>
+                {
+                    b.Navigation("Profiles");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.Profile", b =>
+                {
+                    b.Navigation("Antags");
+
+                    b.Navigation("Jobs");
+                });
+
+            modelBuilder.Entity("Content.Server.Database.SqliteServerBan", b =>
+                {
+                    b.Navigation("Unban");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/Content.Server.Database/Migrations/Sqlite/20210915093336_UniqueHighPriorityJob.cs b/Content.Server.Database/Migrations/Sqlite/20210915093336_UniqueHighPriorityJob.cs
new file mode 100644
index 0000000000..db20f46571
--- /dev/null
+++ b/Content.Server.Database/Migrations/Sqlite/20210915093336_UniqueHighPriorityJob.cs
@@ -0,0 +1,34 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Content.Server.Database.Migrations.Sqlite
+{
+    public partial class UniqueHighPriorityJob : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateIndex(
+                name: "IX_job_one_high_priority",
+                table: "job",
+                column: "profile_id",
+                unique: true,
+                filter: "priority = 3");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_job_profile_id_job_name",
+                table: "job",
+                columns: new[] { "profile_id", "job_name" },
+                unique: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_job_one_high_priority",
+                table: "job");
+
+            migrationBuilder.DropIndex(
+                name: "IX_job_profile_id_job_name",
+                table: "job");
+        }
+    }
+}
diff --git a/Content.Server.Database/Migrations/Sqlite/SqliteServerDbContextModelSnapshot.cs b/Content.Server.Database/Migrations/Sqlite/SqliteServerDbContextModelSnapshot.cs
index 45d6ff7405..dfa3031f54 100644
--- a/Content.Server.Database/Migrations/Sqlite/SqliteServerDbContextModelSnapshot.cs
+++ b/Content.Server.Database/Migrations/Sqlite/SqliteServerDbContextModelSnapshot.cs
@@ -186,6 +186,13 @@ namespace Content.Server.Database.Migrations.Sqlite
 
                     b.HasIndex("ProfileId");
 
+                    b.HasIndex("ProfileId", "JobName")
+                        .IsUnique();
+
+                    b.HasIndex(new[] { "ProfileId" }, "IX_job_one_high_priority")
+                        .IsUnique()
+                        .HasFilter("priority = 3");
+
                     b.ToTable("job");
                 });
 
diff --git a/Content.Server.Database/Model.cs b/Content.Server.Database/Model.cs
index dcd305f87f..f107389eb1 100644
--- a/Content.Server.Database/Model.cs
+++ b/Content.Server.Database/Model.cs
@@ -44,6 +44,18 @@ namespace Content.Server.Database
                 .HasIndex(p => new {HumanoidProfileId = p.ProfileId, p.AntagName})
                 .IsUnique();
 
+            modelBuilder.Entity<Job>()
+                .HasIndex(j => j.ProfileId);
+
+            modelBuilder.Entity<Job>()
+                .HasIndex(j => j.ProfileId, "IX_job_one_high_priority")
+                .IsUnique()
+                .HasFilter("priority = 3");
+
+            modelBuilder.Entity<Job>()
+                .HasIndex(j => new { j.ProfileId, j.JobName })
+                .IsUnique();
+
             modelBuilder.Entity<AssignedUserId>()
                 .HasIndex(p => p.UserName)
                 .IsUnique();