geotrellis.server.ogc.conf.OgcServiceConf.scala Maven / Gradle / Ivy

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GeoTrellis Server is a set of components designed to simplify viewing, processing, and serving raster data from arbitrary sources with an emphasis on doing so in a functional style.

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/*
 * Copyright 2020 Azavea
 *
 * 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 geotrellis.server.ogc.conf

import cats.effect.Sync
import cats.SemigroupK
import cats.instances.list._
import cats.syntax.semigroup._
import geotrellis.proj4.CRS
import geotrellis.server.ogc.{ows, OgcSource, OgcSourceRepository, RasterOgcSource}
import geotrellis.server.ogc.wms.WmsParentLayerMeta
import geotrellis.server.ogc.wmts.GeotrellisTileMatrixSet
import geotrellis.server.ogc.stac._
import geotrellis.store.query.{Repository, RepositoryM}
import org.typelevel.log4cats.Logger
import sttp.client3.SttpBackend

/**
 * Each service has its own unique configuration requirements (see the below instances) but share certain basic behaviors related to layer management.
 * This trait encodes those expectations
 */
sealed trait OgcServiceConf {
  def layerDefinitions: List[OgcSourceConf]
  def layerSources(rasterOgcSources: List[RasterOgcSource]): Repository[OgcSource] = {
    val rasterLayers = layerDefinitions.collect { case rsc: RasterSourceConf => rsc.toLayer }
    val mapAlgebraLayers = layerDefinitions.collect { case masc: MapAlgebraSourceConf => masc.modelOpt(rasterOgcSources) }.flatten

    OgcSourceRepository(rasterLayers ++ mapAlgebraLayers)
  }

  def layerSources[F[_]: SemigroupK: Sync: Logger](
    rasterOgcSources: List[RasterOgcSource],
    client: SttpBackend[F, Any]
  ): RepositoryM[F, List, OgcSource] = {
    val ogcLayers = layerDefinitions.collect { case osc: OgcSourceConf => osc }
    val stacLayers = ogcLayers.collect { case ssc: StacSourceConf => ssc }
    val mapAlgebraConfLayers = ogcLayers.collect { case masc: MapAlgebraSourceConf => masc }

    layerSources(rasterOgcSources).toF[F] |+|
      StacOgcRepositories[F](stacLayers, client) |+|
      MapAlgebraStacOgcRepositories[F](mapAlgebraConfLayers, ogcLayers, client)
  }
}

/**
 * WMS Service configuration
 */
case class WmsConf(
  parentLayerMeta: WmsParentLayerMeta,
  serviceMetadata: opengis.wms.Service,
  layerDefinitions: List[OgcSourceConf]
) extends OgcServiceConf

/**
 * WMTS Service configuration
 */
case class WmtsConf(
  serviceMetadata: ows.ServiceMetadata,
  layerDefinitions: List[OgcSourceConf],
  tileMatrixSets: List[GeotrellisTileMatrixSet]
) extends OgcServiceConf

/**
 * WCS Service configuration
 */
case class WcsConf(
  serviceMetadata: ows.ServiceMetadata,
  layerDefinitions: List[OgcSourceConf],
  supportedProjections: List[CRS]
) extends OgcServiceConf