90 lines
3.4 KiB
C#
90 lines
3.4 KiB
C#
namespace Tiku.Infrastructure.Persistence;
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internal static class PostgreSqlTenantConstraintSql
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{
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public const string CreateTenantQuestionReferenceGuard = """
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create or replace function tiku_guard_tenant_question_reference()
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returns trigger
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language plpgsql
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as $$
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declare
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owner_mode text;
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begin
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select mode into owner_mode
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from tenants
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where id = new.question_owner_tenant_id;
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if owner_mode = 'platform_owned' then
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if new.source <> 'platform' then
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raise exception 'tenant question reference to platform question must use platform source'
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using errcode = '23514',
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constraint = 'ck_tenant_question_references_platform_or_self_owner';
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end if;
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return new;
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end if;
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if new.question_owner_tenant_id = new.tenant_id then
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if new.source <> 'tenant' then
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raise exception 'tenant question reference to tenant-owned question must use tenant source'
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using errcode = '23514',
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constraint = 'ck_tenant_question_references_platform_or_self_owner';
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end if;
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return new;
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end if;
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raise exception 'tenant question reference cannot point to another tenant private question'
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using errcode = '23514',
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constraint = 'ck_tenant_question_references_platform_or_self_owner';
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end;
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$$;
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create trigger trg_tenant_question_references_platform_or_self_owner
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before insert or update of tenant_id, question_owner_tenant_id, question_id, source
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on tenant_question_references
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for each row
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execute function tiku_guard_tenant_question_reference();
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""";
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public const string CreateTaxonomyParentGuard = """
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create or replace function tiku_guard_taxonomy_parent_owner()
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returns trigger
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language plpgsql
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as $$
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declare
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parent_owner_mode text;
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begin
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if new.parent_owner_tenant_id is null and new.parent_id is null then
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return new;
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end if;
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select mode into parent_owner_mode
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from tenants
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where id = new.parent_owner_tenant_id;
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if parent_owner_mode = 'platform_owned' or new.parent_owner_tenant_id = new.tenant_id then
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return new;
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end if;
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raise exception 'taxonomy parent must belong to platform or current tenant'
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using errcode = '23514',
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constraint = 'ck_taxonomy_nodes_parent_platform_or_self_owner';
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end;
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$$;
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create trigger trg_taxonomy_nodes_parent_platform_or_self_owner
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before insert or update of tenant_id, parent_owner_tenant_id, parent_id
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on taxonomy_nodes
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for each row
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execute function tiku_guard_taxonomy_parent_owner();
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""";
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public const string DropTenantGuards = """
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drop trigger if exists trg_tenant_question_references_platform_or_self_owner on tenant_question_references;
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drop function if exists tiku_guard_tenant_question_reference();
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drop trigger if exists trg_taxonomy_nodes_parent_platform_or_self_owner on taxonomy_nodes;
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drop function if exists tiku_guard_taxonomy_parent_owner();
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""";
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}
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