Govor/Govor.Data/Migrations/20250622044435_MessagesInit.cs

using System;
using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace Govor.Data.Migrations
{
    /// <inheritdoc />
    public partial class MessagesInit : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.CreateTable(
                name: "Messages",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "uuid", nullable: false),
                    SenderId = table.Column<Guid>(type: "uuid", nullable: false),
                    RecipientId = table.Column<Guid>(type: "uuid", nullable: false),
                    RecipientType = table.Column<int>(type: "integer", nullable: false),
                    EncryptedContent = table.Column<string>(type: "text", nullable: false),
                    SentAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false),
                    IsEdited = table.Column<bool>(type: "boolean", nullable: false),
                    EditedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true),
                    ReplyToMessageId = table.Column<Guid>(type: "uuid", nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_Messages", x => x.Id);
                    table.ForeignKey(
                        name: "FK_Messages_Messages_ReplyToMessageId",
                        column: x => x.ReplyToMessageId,
                        principalTable: "Messages",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Restrict);
                });

            migrationBuilder.CreateTable(
                name: "MediaAttachments",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "uuid", nullable: false),
                    MessageId = table.Column<Guid>(type: "uuid", nullable: false),
                    Type = table.Column<string>(type: "text", nullable: false),
                    FilePath = table.Column<string>(type: "text", nullable: false),
                    MimeType = table.Column<string>(type: "text", nullable: false),
                    EncryptedKey = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_MediaAttachments", x => x.Id);
                    table.ForeignKey(
                        name: "FK_MediaAttachments_Messages_MessageId",
                        column: x => x.MessageId,
                        principalTable: "Messages",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "MessageReactions",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "uuid", nullable: false),
                    MessageId = table.Column<Guid>(type: "uuid", nullable: false),
                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
                    ReactionCode = table.Column<string>(type: "character varying(64)", maxLength: 64, nullable: false),
                    ReactedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_MessageReactions", x => x.Id);
                    table.ForeignKey(
                        name: "FK_MessageReactions_Messages_MessageId",
                        column: x => x.MessageId,
                        principalTable: "Messages",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                    table.ForeignKey(
                        name: "FK_MessageReactions_Users_UserId",
                        column: x => x.UserId,
                        principalTable: "Users",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateTable(
                name: "MessageViews",
                columns: table => new
                {
                    Id = table.Column<Guid>(type: "uuid", nullable: false),
                    MessageId = table.Column<Guid>(type: "uuid", nullable: false),
                    UserId = table.Column<Guid>(type: "uuid", nullable: false),
                    ViewedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false)
                },
                constraints: table =>
                {
                    table.PrimaryKey("PK_MessageViews", x => x.Id);
                    table.ForeignKey(
                        name: "FK_MessageViews_Messages_MessageId",
                        column: x => x.MessageId,
                        principalTable: "Messages",
                        principalColumn: "Id",
                        onDelete: ReferentialAction.Cascade);
                });

            migrationBuilder.CreateIndex(
                name: "IX_MediaAttachments_MessageId",
                table: "MediaAttachments",
                column: "MessageId");

            migrationBuilder.CreateIndex(
                name: "IX_MessageReactions_MessageId_UserId",
                table: "MessageReactions",
                columns: new[] { "MessageId", "UserId" },
                unique: true);

            migrationBuilder.CreateIndex(
                name: "IX_MessageReactions_UserId",
                table: "MessageReactions",
                column: "UserId");

            migrationBuilder.CreateIndex(
                name: "IX_Messages_ReplyToMessageId",
                table: "Messages",
                column: "ReplyToMessageId");

            migrationBuilder.CreateIndex(
                name: "IX_MessageViews_MessageId_UserId",
                table: "MessageViews",
                columns: new[] { "MessageId", "UserId" },
                unique: true);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropTable(
                name: "MediaAttachments");

            migrationBuilder.DropTable(
                name: "MessageReactions");

            migrationBuilder.DropTable(
                name: "MessageViews");

            migrationBuilder.DropTable(
                name: "Messages");
        }
    }
}