From 2fd140c28076c511400d517ebc4ce59325a16559 Mon Sep 17 00:00:00 2001
From: Stewart Stewart <stewinsalot@gmail.com>
Date: Mon, 27 Feb 2017 18:19:24 -0800
Subject: generate implicit along with primary key

---
 src/main/scala/Generators.scala   |  2 ++
 src/main/scala/TypedIdTable.scala | 17 +++++++++++++++++
 2 files changed, 19 insertions(+)

(limited to 'src')

diff --git a/src/main/scala/Generators.scala b/src/main/scala/Generators.scala
index 7138a3c..9af3d88 100644
--- a/src/main/scala/Generators.scala
+++ b/src/main/scala/Generators.scala
@@ -20,6 +20,8 @@ class RowSourceCodeGenerator(
 
   override def Table = new TypedIdTable(_) { table =>
 
+    override def PrimaryKey = new TypedIdPrimaryKey(_) { }
+
     override def Column = new TypedIdColumn(_) {
       override def rawType: String = {
         typeReplacements.getOrElse(model.tpe, super.rawType)
diff --git a/src/main/scala/TypedIdTable.scala b/src/main/scala/TypedIdTable.scala
index 740158d..0958ccf 100644
--- a/src/main/scala/TypedIdTable.scala
+++ b/src/main/scala/TypedIdTable.scala
@@ -48,5 +48,22 @@ class TypedIdSourceCodeGenerator(
         keyReferences.get(model).fold(super.rawType)(pKeyType)
       }
     }
+
+    class TypedIdPrimaryKey(override val model: m.PrimaryKey) extends PrimaryKey(model) { primaryKey =>
+      def `super.code` = s"""val $name = primaryKey("$dbName", ${compoundValue(columns.map(_.name))})"""
+
+      override def code = {
+        val implicitKeyBaseMapper =
+        primaryKey.columns.headOption
+          .filter(_ => primaryKey.columns.length == 1)
+          .map { column =>
+            val name = termName(column.rawName + "KeyMapper")
+            val tpe = s"BaseColumnType[column.rawName]"
+            val mapping = s"${modelTypeToColumnMaper(column.model.tpe)}[${pKeyTypeTag(column.model)}]"
+            s"implicit def $name: $tpe = $mapping\n"
+        }
+        implicitKeyBaseMapper.fold(super.code)(super.code + _)
+      }
+    }
   }
 }
-- 
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