--liquibase formatted sql

-- ============================================================================
--changeset hs-office-person-rbac-OBJECT:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
call generateRelatedRbacObject('hs_office_person');
--//


-- ============================================================================
--changeset hs-office-person-rbac-ROLE-DESCRIPTORS:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
call generateRbacRoleDescriptors('hsOfficePerson', 'hs_office_person');
--//


-- ============================================================================
--changeset hs-office-person-rbac-ROLES-CREATION:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
/*
    Creates the roles and their assignments for a new person for the AFTER INSERT TRIGGER.
 */
create or replace function createRbacRolesForHsOfficePerson()
    returns trigger
    language plpgsql
    strict as $$
begin
    if TG_OP <> 'INSERT' then
        raise exception 'invalid usage of TRIGGER AFTER INSERT';
    end if;

    perform createRoleWithGrants(
            hsOfficePersonOwner(NEW),
            permissions => array['DELETE'],
            incomingSuperRoles => array[globalAdmin()],
            userUuids => array[currentUserUuid()],
            grantedByRole => globalAdmin()
        );

    -- TODO: who is admin? the person itself? is it allowed for the person itself or a representative to update the data?
    perform createRoleWithGrants(
            hsOfficePersonAdmin(NEW),
            permissions => array['UPDATE'],
            incomingSuperRoles => array[hsOfficePersonOwner(NEW)]
        );

    perform createRoleWithGrants(
            hsOfficePersonTenant(NEW),
            incomingSuperRoles => array[hsOfficePersonAdmin(NEW)]
        );

    perform createRoleWithGrants(
            hsOfficePersonGuest(NEW),
            permissions => array['SELECT'],
            incomingSuperRoles => array[hsOfficePersonTenant(NEW)]
        );

    return NEW;
end; $$;

/*
    An AFTER INSERT TRIGGER which creates the role structure for a new customer.
 */

create trigger createRbacRolesForHsOfficePerson_Trigger
    after insert
    on hs_office_person
    for each row
execute procedure createRbacRolesForHsOfficePerson();
--//


-- ============================================================================
--changeset hs-office-person-rbac-IDENTITY-VIEW:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
call generateRbacIdentityViewFromProjection('hs_office_person', $idName$
    concat(target.tradeName, target.familyName, target.givenName)
    $idName$);
--//


-- ============================================================================
--changeset hs-office-person-rbac-RESTRICTED-VIEW:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
call generateRbacRestrictedView('hs_office_person', 'concat(target.tradeName, target.familyName, target.givenName)',
    $updates$
        personType = new.personType,
        tradeName = new.tradeName,
        givenName = new.givenName,
        familyName = new.familyName
    $updates$);
--//


-- ============================================================================
--changeset hs-office-person-rbac-NEW-PERSON:1 endDelimiter:--//
-- ----------------------------------------------------------------------------
/*
    Creates a global permission for new-person and assigns it to the hostsharing admins role.
 */
do language plpgsql $$
    declare
        addCustomerPermissions uuid[];
        globalObjectUuid       uuid;
        globalAdminRoleUuid    uuid ;
    begin
        call defineContext('granting global new-person permission to global admin role', null, null, null);

        globalAdminRoleUuid := findRoleId(globalAdmin());
        globalObjectUuid := (select uuid from global);
        addCustomerPermissions := createPermissions(globalObjectUuid, array ['new-person']);
        call grantPermissionsToRole(globalAdminRoleUuid, addCustomerPermissions);
    end;
$$;

/**
    Used by the trigger to prevent the add-customer to current user respectively assumed roles.
 */
create or replace function addHsOfficePersonNotAllowedForCurrentSubjects()
    returns trigger
    language PLPGSQL
as $$
begin
    raise exception '[403] new-person not permitted for %',
        array_to_string(currentSubjects(), ';', 'null');
end; $$;

/**
    Checks if the user or assumed roles are allowed to create a new customer.
 */
create trigger hs_office_person_insert_trigger
    before insert
    on hs_office_person
    for each row
    -- TODO.spec: who is allowed to create new persons
    when ( not hasAssumedRole() )
execute procedure addHsOfficePersonNotAllowedForCurrentSubjects();
--//