3. Add advancements endpoint

Author: Veyronity

src/main/java/net/earthmc/emcapi/endpoint/AdvancementsEndpoint.java

@@ -0,0 +1,33 @@
+package net.earthmc.emcapi.endpoint;
+
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import net.earthmc.emcapi.integration.AdvancementsIntegration;
+import net.earthmc.emcapi.integration.Integrations;
+import net.earthmc.emcapi.object.endpoint.GetEndpoint;
+import net.earthmc.lynchpin.api.advancements.AdvancementEntry;
+
+import java.text.SimpleDateFormat;
+
+public class AdvancementsEndpoint extends GetEndpoint {
+    private final AdvancementsIntegration integration;
+    private final SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
+
+    public AdvancementsEndpoint() {
+        integration = Integrations.getIntegration("lynchpin-advancements");
+    }
+
+    @Override
+    public JsonElement getJsonElement() {
+        JsonObject outer = new JsonObject();
+        for (AdvancementEntry entry : integration.getAdvancements()) {
+            JsonObject json = new JsonObject();
+            json.addProperty("player", entry.player().toString());
+            json.addProperty("date", formatter.format(entry.date()));
+
+            outer.add(entry.advancement(), json);
+        }
+
+        return outer;
+    }
+}

src/main/java/net/earthmc/emcapi/integration/AdvancementsIntegration.java

@@ -0,0 +1,33 @@
+package net.earthmc.emcapi.integration;
+
+import net.earthmc.lynchpin.api.advancements.AdvancementEntry;
+import net.earthmc.lynchpin.api.advancements.AdvancementsProvider;
+
+import java.util.Set;
+
+public class AdvancementsIntegration extends Integration {
+    private AdvancementsProvider module;
+
+    public AdvancementsIntegration() {
+        super("Lynchpin");
+        try {
+            module = AdvancementsProvider.instance();
+        } catch (Exception ignored) {
+            plugin.getLogger().warning("Not loading advancements integration due to the module not being present/enabled");
+        }
+    }
+
+    @Override
+    public boolean isEnabled() {
+        return super.isEnabled() && module != null && module.isEnabled();
+    }
+
+    @Override
+    public void register() {
+        Integrations.addIntegration("lynchpin-advancements", this);
+    }
+
+    public Set<AdvancementEntry> getAdvancements() {
+        return module.getAdvancements();
+    }
+}