frame for update trigger

src/main/java/net/hostsharing/hsadminng/hs/office/sepamandate/HsOfficeSepaMandateEntity.java

@@ -105,17 +105,19 @@ public class HsOfficeSepaMandateEntity implements Stringifyable, HasUuid {
                 .createRole(OWNER, (with) -> {
                     with.owningUser(CREATOR);
                     with.incomingSuperRole(GLOBAL, ADMIN);
-                    with.outgoingSubRole("bankAccount", REFERRER);
                     with.permission(ALL);
                 })
                 .createSubRole(ADMIN, (with) -> {
                     with.permission(EDIT);
                 })
                 .createSubRole(AGENT, (with) -> {
+                    with.outgoingSubRole("bankAccount", REFERRER);
                     with.outgoingSubRole("debitorRel", AGENT);
                 })
                 .createSubRole(REFERRER, (with) -> {
+                    with.incomingSuperRole("bankAccount", ADMIN);
                     with.incomingSuperRole("debitorRel", AGENT);
+                    with.outgoingSubRole("debitorRel", TENANT);
                     with.permission(VIEW);
                 });
     }

src/main/java/net/hostsharing/hsadminng/rbac/rbacdef/RbacView.java

@@ -13,6 +13,7 @@ import jakarta.validation.constraints.NotNull;
 import java.lang.reflect.InvocationTargetException;
 import java.util.*;
 
+import static java.util.Optional.ofNullable;
 import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.RbacUserReference.UserRole.CREATOR;
 import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.SQL.autoFetched;
 import static org.apache.commons.lang3.StringUtils.uncapitalize;
@@ -300,6 +301,18 @@ public class RbacView {
             return this;
         }
 
+        boolean dependsOnColumn(final String columnName) {
+            return dependsRoleDefOnColumnName(this.superRoleDef, columnName)
+                || dependsRoleDefOnColumnName(this.subRoleDef, columnName);
+        }
+
+        private Boolean dependsRoleDefOnColumnName(final RbacRoleDefinition superRoleDef, final String columnName) {
+            return ofNullable(superRoleDef)
+                    .map(r -> r.getEntityAlias().dependsOnColum())
+                    .map(d -> columnName.equals(d.column))
+                    .orElse(false);
+        }
+
         public enum GrantType {
             ROLE_TO_USER,
             ROLE_TO_ROLE,

src/main/java/net/hostsharing/hsadminng/rbac/rbacdef/RolesGrantsAndPermissionsGenerator.java

@@ -4,10 +4,12 @@ import net.hostsharing.hsadminng.rbac.rbacdef.RbacView.RbacPermissionDefinition;
 
 import java.util.HashSet;
 import java.util.List;
+import java.util.Objects;
 import java.util.Set;
 
 import static java.util.stream.Collectors.*;
 import static net.hostsharing.hsadminng.rbac.rbacdef.PostgresTriggerReference.NEW;
+import static net.hostsharing.hsadminng.rbac.rbacdef.PostgresTriggerReference.OLD;
 import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.RbacGrantDefinition.GrantType.*;
 import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.Role.*;
 import static net.hostsharing.hsadminng.rbac.rbacdef.RbacView.getRawTableName;
@@ -79,12 +81,19 @@ class RolesGrantsAndPermissionsGenerator {
                     });
             });
 
-        plPgSql.writeLn("""
+        plPgSql.indented(() -> {
-                begin
+            plPgSql.writeLn("begin");
-                    if TG_OP <> 'INSERT' then
+            generateCreateRolesAndGrantsAfterInsert(plPgSql);
-                        raise exception 'invalid usage of TRIGGER AFTER INSERT function';
+            generateUpdateRolesAndGrantsAfterUpdate(plPgSql);
-                    end if;
+            plPgSql.ensureEmptyLine();
-                """);
+            plPgSql.writeLn("end; $$;");
+        });
+        plPgSql.writeLn();
+    }
+
+    private void generateCreateRolesAndGrantsAfterInsert(final StringWriter plPgSql) {
+        plPgSql.ensureEmptyLine();
+        plPgSql.writeLn("if TG_OP = 'INSERT' then");
 
         plPgSql.indented(() -> {
 
@@ -106,8 +115,53 @@ class RolesGrantsAndPermissionsGenerator {
             generateGrants(plPgSql, PERM_TO_ROLE);
         });
 
-        plPgSql.writeLn("end; $$;");
+        plPgSql.writeLn("end if;");
+}
+
+    private void generateUpdateRolesAndGrantsAfterUpdate(final StringWriter plPgSql) {
+        plPgSql.ensureEmptyLine();
+        plPgSql.writeLn("if TG_OP = 'UPDATE' then");
+
+        plPgSql.indented(() -> {
+
+            rbacDef.getEntityAliases().values().stream()
+                    .filter(ea -> !rbacDef.isRootEntityAlias(ea))
+                    .filter(ea -> ea.fetchSql() != null)
+                    .forEach(ea -> {
+                        plPgSql.writeLn( ea.fetchSql().sql.replace("${ref}", OLD.name())  + " into " + entityRefVar(OLD, ea) + ";");
+                    });
+
+            rbacDef.getEntityAliases().values().stream()
+                    .map(RbacView.EntityAlias::dependsOnColum)
+                    .filter(Objects::nonNull)
+                    .filter(this::isUpdatable)
+                    .map(c -> c.column)
+                    .sorted()
+                    .distinct()
+                    .forEach(columnName -> {
                         plPgSql.writeLn();
+                        plPgSql.writeLn("if NEW." + columnName + " <> OLD." + columnName + " then");
+                        plPgSql.indented(() -> {
+                            updateGrantsDependingOn(plPgSql, columnName);
+                        });
+                        plPgSql.writeLn("end if;");
+                    });
+        });
+
+    plPgSql.writeLn("end if;");
+    }
+
+    private boolean isUpdatable(final RbacView.Column c) {
+        return rbacDef.getUpdatableColumns().contains(c);
+    }
+
+    private void updateGrantsDependingOn(final StringWriter plPgSql, final String columnName) {
+        rbacDef.getGrantDefs().stream()
+                .filter(RbacView.RbacGrantDefinition::isToCreate)
+                .filter(g -> g.dependsOnColumn(columnName))
+                .forEach(g -> {
+                    plPgSql.writeLn("-- TODO: " + g);
+                });
     }
 
     private void generateGrants(final StringWriter plPgSql, final RbacView.RbacGrantDefinition.GrantType grantType) {