28 lines
1004 B
C#
28 lines
1004 B
C#
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using Microsoft.EntityFrameworkCore.Design;
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namespace DataModel.Database.Common;
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/// <summary>
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/// This factory is used by the EF tooling e.g. to create migrations.
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/// </summary>
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public sealed class DataContextFactory : IDesignTimeDbContextFactory<DataContext>
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{
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private const string ENV_EF_TOOLING_DATABASE = "ENV_EF_TOOLING_DATABASE";
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#region Implementation of IDesignTimeDbContextFactory<out DataContext>
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/// <inheritdoc />
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public DataContext CreateDbContext(string[] args)
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{
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var dataFile = Environment.GetEnvironmentVariable(ENV_EF_TOOLING_DATABASE);
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if (string.IsNullOrWhiteSpace(dataFile))
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{
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Console.WriteLine("In order to use EF tooling, point the environment variable ENV_EF_TOOLING_DATABASE to the data file, which should be used for the EF tooling.");
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Environment.Exit(100);
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}
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return Setup.CreateDatabaseInstance4Tooling(dataFile, false);
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}
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#endregion
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}
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