From 0d9775a779f656ab55a22e5df5f6f83f7069fa95 Mon Sep 17 00:00:00 2001
From: sowgro <tpoke.ferrari@gmail.com>
Date: Fri, 3 Oct 2025 21:40:23 -0400
Subject: tweak pretty print and datetime serialization

---
 data/personaldb.json                                  |  2 +-
 pom.xml                                               | 10 ++++++++++
 .../java/design/persistence/JSONPersonalDatabase.java | 19 ++++++++++++++++++-
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/data/personaldb.json b/data/personaldb.json
index 86259e5..0637a08 100644
--- a/data/personaldb.json
+++ b/data/personaldb.json
@@ -1 +1 @@
-[{"username":"sowgro","passwordHash":3433489,"fullName":"Tyler Ferrari","courses":[8],"rounds":[]}]
\ No newline at end of file
+[]
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index e8a8fed..1486a8b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -31,6 +31,16 @@
             <artifactId>jackson-module-parameter-names</artifactId>
             <version>2.20.0</version>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jsr310</artifactId>
+            <version>2.20.0</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.datatype</groupId>
+            <artifactId>jackson-datatype-jdk8</artifactId>
+            <version>2.20.0</version>
+        </dependency>
     </dependencies>
     <build>
         <plugins>
diff --git a/src/main/java/design/persistence/JSONPersonalDatabase.java b/src/main/java/design/persistence/JSONPersonalDatabase.java
index dd63407..0efa362 100644
--- a/src/main/java/design/persistence/JSONPersonalDatabase.java
+++ b/src/main/java/design/persistence/JSONPersonalDatabase.java
@@ -5,8 +5,11 @@ import com.fasterxml.jackson.annotation.JsonCreator;
 import com.fasterxml.jackson.annotation.PropertyAccessor;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.util.DefaultIndenter;
+import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
 import com.fasterxml.jackson.databind.*;
 import com.fasterxml.jackson.databind.module.SimpleModule;
+import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import com.fasterxml.jackson.module.paramnames.ParameterNamesModule;
 import design.model.Course;
 import design.model.Golfer;
@@ -33,6 +36,7 @@ public class JSONPersonalDatabase implements PersonalDatabase {
         mapper.registerModule(module);
         mapper.setVisibility(PropertyAccessor.FIELD, JsonAutoDetect.Visibility.ANY);
         mapper.registerModule(new ParameterNamesModule(JsonCreator.Mode.PROPERTIES));
+        mapper.registerModule(new JavaTimeModule());
 
         try {
             load();
@@ -51,7 +55,7 @@ public class JSONPersonalDatabase implements PersonalDatabase {
 
     private void save() throws IOException {
         Golfer[] data = cache.values().toArray(Golfer[]::new);
-        mapper.writerWithDefaultPrettyPrinter().writeValue(file, data);
+        mapper.writer(new CustomPrettyPrinter()).writeValue(file, data);
     }
 
     @Override
@@ -98,4 +102,17 @@ public class JSONPersonalDatabase implements PersonalDatabase {
             return masterDB.getCourse(id);
         }
     }
+
+    private static class CustomPrettyPrinter extends DefaultPrettyPrinter {
+        public CustomPrettyPrinter() {
+            super._arrayIndenter = new DefaultIndenter();
+            super._objectFieldValueSeparatorWithSpaces = _separators.getObjectFieldValueSeparator() + " ";
+            super._arrayEmptySeparator = "";
+        }
+
+        @Override
+        public CustomPrettyPrinter createInstance() {
+            return new CustomPrettyPrinter();
+        }
+    }
 }
-- 
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