agrynco
1631786ce2
Add push contracts, provider delivery and channel diagnostics. Link email channels to services and document migration and validation. Ref: IT-1074
55 lines
2.9 KiB
C#
55 lines
2.9 KiB
C#
using Microsoft.EntityFrameworkCore.Migrations;
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#nullable disable
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namespace HrynCo.NotificationService.DAL.EF.Migrations;
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public partial class LinkEmailChannelsToServices : Migration
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{
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protected override void Up(MigrationBuilder migrationBuilder)
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{
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// EF runs this whole migration in one transaction. Lock the source rows so a
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// concurrent rename or channel write cannot invalidate the verified mapping.
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migrationBuilder.Sql("""
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LOCK TABLE services IN SHARE ROW EXCLUSIVE MODE;
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LOCK TABLE email_channels IN ACCESS EXCLUSIVE MODE;
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DO $$
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BEGIN
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IF EXISTS (
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SELECT 1 FROM email_channels c
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WHERE (SELECT count(*) FROM services s
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WHERE s.name = c.service_name
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OR (c.service_name = 'StoreMate-Prod' AND s.name = 'Invemory-Prod')) <> 1
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) THEN
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RAISE EXCEPTION 'Email channel migration stopped: every legacy service name must have exactly one existing service (including the approved StoreMate-Prod -> Invemory-Prod alias). Resolve missing or ambiguous names before retrying.';
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END IF;
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END $$;
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ALTER TABLE email_channels ADD COLUMN service_id uuid;
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UPDATE email_channels c SET service_id = s.id
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FROM services s
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WHERE s.name = c.service_name
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OR (c.service_name = 'StoreMate-Prod' AND s.name = 'Invemory-Prod');
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ALTER TABLE email_channels ALTER COLUMN service_id SET NOT NULL;
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""");
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migrationBuilder.DropIndex("IX_email_channels_service_name_priority", "email_channels");
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migrationBuilder.DropColumn("service_name", "email_channels");
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migrationBuilder.CreateIndex("IX_email_channels_service_id_priority", "email_channels", new[] { "service_id", "priority" });
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migrationBuilder.AddForeignKey("FK_email_channels_services_service_id", "email_channels", "service_id",
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"services", principalColumn: "id", onDelete: ReferentialAction.Restrict);
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}
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protected override void Down(MigrationBuilder migrationBuilder)
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{
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// Restore current service names; historical names are intentionally not retained.
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migrationBuilder.Sql("""
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ALTER TABLE email_channels ADD COLUMN service_name character varying(100);
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UPDATE email_channels c SET service_name = s.name FROM services s WHERE s.id = c.service_id;
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ALTER TABLE email_channels ALTER COLUMN service_name SET NOT NULL;
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""");
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migrationBuilder.DropForeignKey("FK_email_channels_services_service_id", "email_channels");
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migrationBuilder.DropIndex("IX_email_channels_service_id_priority", "email_channels");
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migrationBuilder.DropColumn("service_id", "email_channels");
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migrationBuilder.CreateIndex("IX_email_channels_service_name_priority", "email_channels", new[] { "service_name", "priority" });
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}
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}
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