forked from Kieran/void.cat
89 lines
3.4 KiB
C#
89 lines
3.4 KiB
C#
using System.Data.Common;
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using Microsoft.EntityFrameworkCore;
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using Npgsql;
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using VoidCat.Model;
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namespace VoidCat.Services.Migrations;
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public class EFMigrationSetup : IMigration
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{
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private readonly VoidContext _db;
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private readonly VoidSettings _settings;
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public EFMigrationSetup(VoidContext db, VoidSettings settings)
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{
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_db = db;
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_settings = settings;
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}
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public int Order => -99;
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public async ValueTask<IMigration.MigrationResult> Migrate(string[] args)
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{
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if (!_settings.HasPostgres()) return IMigration.MigrationResult.Skipped;
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var conn = (_db.Database.GetDbConnection() as NpgsqlConnection)!;
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await conn.OpenAsync();
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try
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{
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await using var cmd = new NpgsqlCommand("select max(\"Version\") from \"VersionInfo\"", conn);
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var vMax = await cmd.ExecuteScalarAsync() as long?;
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if (!(vMax > 0)) return IMigration.MigrationResult.Skipped;
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await PrepEfMigration(conn);
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}
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catch (DbException dx) when (dx.SqlState is "42P01")
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{
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//ignored, VersionInfo does not exist
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return IMigration.MigrationResult.Skipped;
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}
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return IMigration.MigrationResult.Completed;
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}
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private static async Task PrepEfMigration(NpgsqlConnection conn)
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{
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await using var tx = await conn.BeginTransactionAsync();
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await new NpgsqlCommand(@"
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ALTER TABLE ""Files"" ALTER COLUMN ""Size"" TYPE numeric(20) USING ""Size""::numeric;
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ALTER TABLE ""Payment"" RENAME COLUMN ""File"" TO ""FileId"";
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ALTER TABLE ""UserFiles"" RENAME COLUMN ""File"" TO ""FileId"";
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ALTER TABLE ""UserFiles"" RENAME COLUMN ""User"" TO ""UserId"";
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ALTER TABLE ""UserRoles"" RENAME COLUMN ""User"" TO ""UserId"";
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ALTER TABLE ""UsersAuthToken"" RENAME COLUMN ""User"" TO ""UserId"";
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ALTER TABLE ""UsersAuthToken"" ADD ""IdToken"" text NULL;
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ALTER TABLE ""VirusScanResult"" RENAME COLUMN ""File"" TO ""FileId"";
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ALTER TABLE ""ApiKey"" RENAME CONSTRAINT ""FK_ApiKey_UserId_Users_Id"" TO ""FK_ApiKey_Users_UserId"";
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ALTER TABLE ""UserFiles"" RENAME CONSTRAINT ""FK_UserFiles_File_Files_Id"" TO ""FK_UserFiles_Files_FileId"";
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ALTER TABLE ""UserFiles"" RENAME CONSTRAINT ""FK_UserFiles_User_Users_Id"" TO ""FK_UserFiles_Users_UserId"";
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ALTER TABLE ""UserRoles"" RENAME CONSTRAINT ""FK_UserRoles_User_Users_Id"" TO ""FK_UserRoles_Users_UserId"";
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ALTER TABLE ""UsersAuthToken"" RENAME CONSTRAINT ""FK_UsersAuthToken_User_Users_Id"" TO ""FK_UsersAuthToken_Users_UserId"";
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ALTER TABLE ""VirusScanResult"" RENAME CONSTRAINT ""FK_VirusScanResult_File_Files_Id"" TO ""FK_VirusScanResult_Files_FileId"";
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DROP TABLE ""EmailVerification"";
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DROP TABLE ""PaymentOrderLightning"";
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DROP TABLE ""PaymentOrder"";
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DROP TABLE ""PaymentStrike"";
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DROP TABLE ""Payment"";
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DROP TABLE ""VersionInfo"";
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", conn, tx).ExecuteNonQueryAsync();
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// manually create init migration entry for EF to skip Init migration
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await new NpgsqlCommand(@"
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CREATE TABLE ""__EFMigrationsHistory"" (
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""MigrationId"" varchar(150) NOT NULL,
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""ProductVersion"" varchar(32) NOT NULL,
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CONSTRAINT ""PK___EFMigrationsHistory"" PRIMARY KEY (""MigrationId"")
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)", conn, tx).ExecuteNonQueryAsync();
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await new NpgsqlCommand(
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"INSERT INTO \"__EFMigrationsHistory\" (\"MigrationId\", \"ProductVersion\") VALUES('20230503115108_Init', '7.0.5')", conn,
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tx)
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.ExecuteNonQueryAsync();
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await tx.CommitAsync();
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}
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}
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