Validate import payload and return create/update stats

- Add validation to /import payload
- Move import logic to service bean
- Track whether entities have been created or update
- Report number of created and updated entities as return value for the
  import endpoint
- Add some test coverage to exercise the validators

1 files changed, 4 insertions, 0 deletions

diff --git a/pom.xml b/pom.xml
index 0422efd..cc5ce5d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,6 +52,10 @@
             <scope>test</scope>
         </dependency>
         <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
+        <dependency>
             <groupId>com.fasterxml.jackson.dataformat</groupId>
             <artifactId>jackson-dataformat-xml</artifactId>
         </dependency>