Extracting query library

1 files changed, 55 insertions, 0 deletions

diff --git a/src/main/scala/xyz/driver/restquery/rest/Directives.scala b/src/main/scala/xyz/driver/restquery/rest/Directives.scala
new file mode 100644
index 0000000..2936f70
--- /dev/null
+++ b/src/main/scala/xyz/driver/restquery/rest/Directives.scala
@@ -0,0 +1,55 @@
+package xyz.driver.restquery.http
+
+import akka.http.scaladsl.server.Directives._
+import akka.http.scaladsl.server._
+import xyz.driver.restquery.domain.{SearchFilterExpr, _}
+import xyz.driver.restquery.http.parsers._
+
+import scala.util._
+
+trait Directives {
+
+  val paginated: Directive1[Pagination] = parameterSeq.flatMap { params =>
+    PaginationParser.parse(params) match {
+      case Success(pagination) => provide(pagination)
+      case Failure(ex) =>
+        reject(ValidationRejection("invalid pagination parameter", Some(ex)))
+    }
+  }
+
+  def sorted(validDimensions: Set[String] = Set.empty): Directive1[Sorting] = parameterSeq.flatMap { params =>
+    SortingParser.parse(validDimensions, params) match {
+      case Success(sorting) => provide(sorting)
+      case Failure(ex) =>
+        reject(ValidationRejection("invalid sorting parameter", Some(ex)))
+    }
+  }
+
+  val dimensioned: Directive1[Dimensions] = parameterSeq.flatMap { params =>
+    DimensionsParser.tryParse(params) match {
+      case Success(dims) => provide(dims)
+      case Failure(ex) =>
+        reject(ValidationRejection("invalid dimension parameter", Some(ex)))
+    }
+  }
+
+  val searchFiltered: Directive1[SearchFilterExpr] = parameterSeq.flatMap { params =>
+    SearchFilterParser.parse(params) match {
+      case Success(sorting) => provide(sorting)
+      case Failure(ex) =>
+        reject(ValidationRejection("invalid filter parameter", Some(ex)))
+    }
+  }
+
+  def StringIdInPath[T]: PathMatcher1[StringId[T]] =
+    PathMatchers.Segment.map((id) => StringId(id.toString))
+
+  def LongIdInPath[T]: PathMatcher1[LongId[T]] =
+    PathMatchers.LongNumber.map((id) => LongId(id))
+
+  def UuidIdInPath[T]: PathMatcher1[UuidId[T]] =
+    PathMatchers.JavaUUID.map((id) => UuidId(id))
+
+}
+
+object Directives extends Directives