agrynco
81654c0d33
Add normalized service and template catalogs, scoped administration, migration, validation, and regression coverage. Ref: IT-1601
20 lines
811 B
C#
20 lines
811 B
C#
using Microsoft.EntityFrameworkCore;
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namespace HrynCo.NotificationService.DAL.EF;
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internal sealed class TemplateMutationRunner(NotificationDbContext db)
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{
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public async Task ExecuteAsync(Func<Task> write, CancellationToken ct)
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{
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await using var transaction = db.Database.CurrentTransaction is null
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? await db.Database.BeginTransactionAsync(ct) : null;
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// Service/language administration and template writes share the same transaction lock.
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// Counts, catalog membership and revision checks are therefore valid until commit.
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await db.Database.ExecuteSqlRawAsync("SELECT pg_advisory_xact_lock(1601)", ct);
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await write();
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await db.SaveChangesAsync(ct);
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if (transaction is not null)
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await transaction.CommitAsync(ct);
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}
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}
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