Support isBefore & isAfter for Instant

Author: danslapman

.scalafix.conf

@@ -29,4 +29,6 @@ DisableSyntax.regex = [
     pattern = "import cats\\.implicits"
     message = "Use granular imports"
   }
-]
+]
+
+OrganizeImports.targetDialect = Scala3

oolong-core/src/main/scala/oolong/AstParser.scala

@@ -1,5 +1,6 @@
 package oolong
 
+import java.time.Instant
 import java.util.regex.Pattern
 import scala.annotation.tailrec
 import scala.language.postfixOps
@@ -162,6 +163,12 @@ private[oolong] class DefaultAstParser(using quotes: Quotes) extends AstParser {
       case '{ ($x: Option[_]).nonEmpty } =>
         QExpr.Exists(parse(x), QExpr.Constant(true))
 
+      case '{ ($x: Instant).isBefore($s) } =>
+        QExpr.Lt(parse(x), parse(s))
+
+      case '{ ($x: Instant).isAfter($s) } =>
+        QExpr.Gt(parse(x), parse(s))
+
       case PropSelector(name, path) if name == paramName =>
         QExpr.Prop(path.mkString("."))
 

oolong-mongo/src/test/scala/oolong/mongo/QuerySpec.scala

@@ -1,5 +1,6 @@
 package oolong.mongo
 
+import java.time.Instant
 import java.time.LocalDate
 import java.time.ZoneOffset
 import java.util.regex.Pattern
@@ -1167,6 +1168,36 @@ class QuerySpec extends AnyFunSuite {
     )
   }
 
+  test("Instant.ifBefore is supported") {
+    case class InstantTest(field: Instant)
+    val q    = query[InstantTest](_.field.isBefore(lift(Instant.parse("2020-01-01T00:00:00Z"))))
+    val repr = renderQuery[InstantTest](_.field.isBefore(lift(Instant.parse("2020-01-01T00:00:00Z"))))
+
+    test(
+      q,
+      repr,
+      BsonDocument(
+        "field" -> BsonDocument("$lt" -> BsonDateTime(1577836800000L))
+      ),
+      ignoreRender = true
+    )
+  }
+
+  test("Instant.isAfter is supported") {
+    case class InstantTest(field: Instant)
+    val q    = query[InstantTest](_.field.isAfter(lift(Instant.parse("2020-01-01T00:00:00Z"))))
+    val repr = renderQuery[InstantTest](_.field.isAfter(lift(Instant.parse("2020-01-01T00:00:00Z"))))
+
+    test(
+      q,
+      repr,
+      BsonDocument(
+        "field" -> BsonDocument("$gt" -> BsonDateTime(1577836800000L))
+      ),
+      ignoreRender = true
+    )
+  }
+
   private inline def test(
       query: BsonDocument,
       repr: String,