From 18ba5f6d3759dfa53dc2f56e52dc3fa970683330 Mon Sep 17 00:00:00 2001
From: Elias Haugsbakk <elias.haugsbakk@gmail.com>
Date: Mon, 6 Jul 2026 22:20:13 +0200
Subject: implement application configuration file

---
 .../java/no/eliashaugsbakk/clams/server/Main.java  |  8 ++-
 .../clams/server/config/AppConfig.java             | 59 ++++++++++++++++++++++
 2 files changed, 65 insertions(+), 2 deletions(-)
 create mode 100644 clams-server/src/main/java/no/eliashaugsbakk/clams/server/config/AppConfig.java

diff --git a/clams-server/src/main/java/no/eliashaugsbakk/clams/server/Main.java b/clams-server/src/main/java/no/eliashaugsbakk/clams/server/Main.java
index 5ba7c31..18dd2cd 100644
--- a/clams-server/src/main/java/no/eliashaugsbakk/clams/server/Main.java
+++ b/clams-server/src/main/java/no/eliashaugsbakk/clams/server/Main.java
@@ -2,14 +2,18 @@ package no.eliashaugsbakk.clams.server;
 
 import io.javalin.Javalin;
 import io.javalin.rendering.template.JavalinPebble;
+import java.nio.file.Path;
 import java.util.Map;
+import no.eliashaugsbakk.clams.server.config.AppConfig;
 import no.eliashaugsbakk.clams.server.controller.BlogController;
 import no.eliashaugsbakk.clams.server.repository.SqliteManager;
 
 public class Main {
   void main() {
-    // TODO: Change db storage location to .../share/clams/... and implement custom storage locations
-    SqliteManager dbManager = new SqliteManager("testDb.db");
+    AppConfig appConfig = new AppConfig();
+    appConfig.loadConfig();
+    String dbUrl = Path.of(appConfig.getStorageLocation()).resolve("posts.db").toString();
+    SqliteManager dbManager = new SqliteManager(dbUrl);
     dbManager.init();
 
     BlogController blogController = new BlogController(dbManager);
diff --git a/clams-server/src/main/java/no/eliashaugsbakk/clams/server/config/AppConfig.java b/clams-server/src/main/java/no/eliashaugsbakk/clams/server/config/AppConfig.java
new file mode 100644
index 0000000..8f460f5
--- /dev/null
+++ b/clams-server/src/main/java/no/eliashaugsbakk/clams/server/config/AppConfig.java
@@ -0,0 +1,59 @@
+package no.eliashaugsbakk.clams.server.config;
+
+import java.io.BufferedWriter;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Properties;
+
+public class AppConfig {
+  private final Properties properties = new Properties();
+  private Path configPath;
+
+  public void loadConfig() {
+    String userHome = System.getProperty("user.home");
+    configPath = Paths.get(userHome, ".config", "clams", "clams.properties");
+
+    if (!Files.exists(configPath)) {
+      generateDefaultConfig();
+    }
+
+    try (var reader = Files.newBufferedReader(configPath)) {
+      properties.load(reader);
+      ensureStorageDirectoryExists();
+    } catch (IOException e) {
+      System.err.println("Failed to load configuration file: " + e.getMessage());
+    }
+  }
+
+  private void ensureStorageDirectoryExists() {
+    try {
+      Path storageDir = Path.of(getStorageLocation());
+      if (!Files.exists(storageDir)) {
+        Files.createDirectories(storageDir);
+        System.out.println("Created application storage directory at: " + storageDir.toAbsolutePath());
+      }
+    } catch (IOException e) {
+      System.err.println("Warning: Could not verify or create storage directory: " + e.getMessage());
+    }
+  }
+
+  private void generateDefaultConfig() {
+    try {
+      Files.createDirectories(configPath.getParent());
+
+      try (BufferedWriter writer = Files.newBufferedWriter(configPath)) {
+        writer.write("storage_location=./data/\n\n");
+      }
+      System.out.println("Generated a default configuration file at: " + configPath);
+
+    } catch (IOException e) {
+      System.err.println("Could not create default config file: " + e.getMessage());
+    }
+  }
+
+  public String getStorageLocation() {
+    return properties.getProperty("storage_location", "./data/");
+  }
+}
-- 
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