--liquibase formatted sql
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-- ============================================================================
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--changeset hs-office-contact-rbac-OBJECT:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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call generateRelatedRbacObject('hs_office_contact');
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--//
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-- ============================================================================
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--changeset hs-office-contact-rbac-ROLE-DESCRIPTORS:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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call generateRbacRoleDescriptors('hsOfficeContact', 'hs_office_contact');
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--//
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-- ============================================================================
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--changeset hs-office-contact-rbac-ROLES-CREATION:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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/*
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Creates the roles and their assignments for a new contact for the AFTER INSERT TRIGGER.
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*/
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create or replace function createRbacRolesForHsOfficeContact()
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returns trigger
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language plpgsql
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strict as $$
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declare
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ownerRole uuid;
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adminRole uuid;
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begin
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if TG_OP <> 'INSERT' then
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raise exception 'invalid usage of TRIGGER AFTER INSERT';
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end if;
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-- the owner role with full access for the creator assigned to the current user
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ownerRole := createRole(
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hsOfficeContactOwner(NEW),
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grantingPermissions(forObjectUuid => NEW.uuid, permitOps => array ['*']),
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beneathRole(globalAdmin()),
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withoutSubRoles(),
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withUser(currentUser()), -- TODO.spec: Who is owner of a new contact?
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grantedByRole(globalAdmin())
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);
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-- the tenant role for those related users who can view the data
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adminRole := createRole(
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hsOfficeContactAdmin(NEW),
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grantingPermissions(forObjectUuid => NEW.uuid, permitOps => array ['edit']),
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beneathRole(ownerRole)
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);
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-- the tenant role for those related users who can view the data
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perform createRole(
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hsOfficeContactTenant(NEW),
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grantingPermissions(forObjectUuid => NEW.uuid, permitOps => array ['view']),
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beneathRole(adminRole)
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);
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return NEW;
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end; $$;
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/*
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An AFTER INSERT TRIGGER which creates the role structure for a new customer.
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*/
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create trigger createRbacRolesForHsOfficeContact_Trigger
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after insert
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on hs_office_contact
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for each row
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execute procedure createRbacRolesForHsOfficeContact();
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--//
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-- ============================================================================
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--changeset hs-office-contact-rbac-IDENTITY-VIEW:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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/*
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Creates a view to the contact main table which maps the identifying name
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(in this case, the prefix) to the objectUuid.
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*/
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create or replace view hs_office_contact_iv as
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select target.uuid, cleanIdentifier(target.label) as idName
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from hs_office_contact as target;
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-- TODO.spec: Is it ok that everybody has access to this information?
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grant all privileges on hs_office_contact_iv to restricted;
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/*
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Returns the objectUuid for a given identifying name (in this case the prefix).
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*/
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create or replace function hs_office_contactUuidByIdName(idName varchar)
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returns uuid
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language sql
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strict as $$
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select uuid from hs_office_contact_iv iv where iv.idName = hs_office_contactUuidByIdName.idName;
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$$;
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/*
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Returns the identifying name for a given objectUuid (in this case the label).
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*/
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create or replace function hs_office_contactIdNameByUuid(uuid uuid)
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returns varchar
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language sql
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strict as $$
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select idName from hs_office_contact_iv iv where iv.uuid = hs_office_contactIdNameByUuid.uuid;
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$$;
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--//
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-- ============================================================================
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--changeset hs-office-contact-rbac-RESTRICTED-VIEW:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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/*
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Creates a view to the contact main table with row-level limitation
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based on the 'view' permission of the current user or assumed roles.
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*/
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set session session authorization default;
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drop view if exists hs_office_contact_rv;
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create or replace view hs_office_contact_rv as
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select target.*
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from hs_office_contact as target
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where target.uuid in (select queryAccessibleObjectUuidsOfSubjectIds('view', 'hs_office_contact', currentSubjectsUuids()));
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grant all privileges on hs_office_contact_rv to restricted;
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--//
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-- ============================================================================
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--changeset hs-office-contact-rbac-INSTEAD-OF-INSERT-TRIGGER:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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/**
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Instead of insert trigger function for hs_office_contact_rv.
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*/
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create or replace function insertHsOfficeContact()
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returns trigger
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language plpgsql as $$
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declare
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newUser hs_office_contact;
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begin
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insert
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into hs_office_contact
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values (new.*)
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returning * into newUser;
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return newUser;
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end;
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$$;
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/*
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Creates an instead of insert trigger for the hs_office_contact_rv view.
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*/
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create trigger insertHsOfficeContact_Trigger
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instead of insert
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on hs_office_contact_rv
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for each row
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execute function insertHsOfficeContact();
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--//
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-- ============================================================================
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--changeset hs-office-contact-rbac-INSTEAD-OF-DELETE-TRIGGER:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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/**
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Instead of delete trigger function for hs_office_contact_rv.
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Checks if the current subject (user / assumed role) has the permission to delete the row.
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*/
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create or replace function deleteHsOfficeContact()
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returns trigger
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language plpgsql as $$
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begin
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if hasGlobalRoleGranted(currentUserUuid()) or
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old.uuid in (select queryAccessibleObjectUuidsOfSubjectIds('delete', 'hs_office_contact', currentSubjectsUuids())) then
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delete from hs_office_contact c where c.uuid = old.uuid;
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return old;
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end if;
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raise exception '[403] User % not allowed to delete contact uuid %', currentUser(), old.uuid;
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end; $$;
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/*
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Creates an instead of delete trigger for the hs_office_contact_rv view.
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*/
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create trigger deleteHsOfficeContact_Trigger
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instead of delete
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on hs_office_contact_rv
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for each row
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execute function deleteHsOfficeContact();
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--/
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-- ============================================================================
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--changeset hs-office-contact-rbac-NEW-CONTACT:1 endDelimiter:--//
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-- ----------------------------------------------------------------------------
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/*
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Creates a global permission for new-contact and assigns it to the hostsharing admins role.
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*/
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do language plpgsql $$
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declare
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addCustomerPermissions uuid[];
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globalObjectUuid uuid;
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globalAdminRoleUuid uuid ;
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begin
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call defineContext('granting global new-contact permission to global admin role', null, null, null);
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globalAdminRoleUuid := findRoleId(globalAdmin());
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globalObjectUuid := (select uuid from global);
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addCustomerPermissions := createPermissions(globalObjectUuid, array ['new-contact']);
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call grantPermissionsToRole(globalAdminRoleUuid, addCustomerPermissions);
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end;
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$$;
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/**
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Used by the trigger to prevent the add-customer to current user respectively assumed roles.
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*/
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create or replace function addHsOfficeContactNotAllowedForCurrentSubjects()
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returns trigger
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language PLPGSQL
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as $$
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begin
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raise exception '[403] new-contact not permitted for %',
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array_to_string(currentSubjects(), ';', 'null');
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end; $$;
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/**
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Checks if the user or assumed roles are allowed to create a new customer.
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*/
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create trigger hs_office_contact_insert_trigger
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before insert
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on hs_office_contact
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for each row
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-- TODO.spec: who is allowed to create new contacts
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when ( not hasAssumedRole() )
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execute procedure addHsOfficeContactNotAllowedForCurrentSubjects();
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--//
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