delete.DeleteWhere.scala Maven / Gradle / Ivy
/*
* Copyright 2021 Kári Magnússon
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kuzminki.delete
import kuzminki.api.KuzminkiError
import kuzminki.render.SectionCollector
import kuzminki.section.WhereSec
import kuzminki.filter.Filter
class DeleteWhere[M](
model: M,
coll: SectionCollector
) extends PickDeleteWhere(model, coll) {
def all = new RenderDelete(model, coll)
def where(pick: M => Seq[Filter]) = {
pick(model) match {
case Nil =>
throw KuzminkiError("WHERE conditions cannot be empty")
case conds =>
new RenderDelete(
model,
coll.add(WhereSec(conds.toVector))
)
}
}
def whereOpt(pick: M => Seq[Option[Filter]]) = {
pick(model).flatten match {
case Nil =>
new RenderDelete(model, coll)
case filters =>
new RenderDelete(
model,
coll.add(
WhereSec(filters.toVector)
)
)
}
}
}