adding tag search

Author: Karl Seguin

app/controllers/BaseController.java

@@ -18,6 +18,13 @@ public class BaseController extends Controller {
     gsonBuilder.registerTypeAdapter(PagedResult.class, new PagedResultGsonAdapter());
   }
 
+  @Before
+  //load the user for the view
+  private static void loadUser() {
+    if (session.get("uid") == null) { return; }
+    renderArgs.put("user", User.findById(session.get("uid")));
+  }
+  
   @Util
   protected static void signin(User user) {
     session.put("uid", user.getId());

app/controllers/Meetups.java

@@ -2,6 +2,7 @@
 
 import utils.*; 
 import models.*;
+import java.util.*;
 import play.mvc.Util;
 import play.mvc.Before;
 import org.bson.types.ObjectId;
@@ -60,8 +61,8 @@ public static void findRecent(int page) {
     renderJSON(Recent.find(page));
   }
 
-  public static void find(float x, float y) {
-    renderJSON(Meetup.find(x, y));
+  public static void find(float x, float y, Set<String> tags) {
+    renderJSON(Meetup.find(x, y, tags));
   }
 
   @Util

app/jobs/Bootstrap.java

@@ -8,7 +8,7 @@
 public class Bootstrap extends Job {  
   public void doJob() {
     MorphiaPlugin.ds().ensureCaps();
-    DBObject object = BasicDBObjectBuilder.start().add("coordinates", "2d").add("date", 1).get();
+    DBObject object = BasicDBObjectBuilder.start().add("coordinates", "2d").add("date", 1).add("tags", 1).get();
     MorphiaPlugin.ds().getCollection(models.Meetup.class).ensureIndex(object);
   }
 }

app/models/Meetup.java

@@ -40,8 +40,11 @@ public class Meetup extends Model {
   @MaxListSize(value=5, message="Can't have more than 5") @MaxListItemSize(value=15, message="A tag should be less than 15 characters")
   public Set<String> tags;
 
-  public static List<Meetup> find(float x, float y) {
+  public static List<Meetup> find(float x, float y, Set<String> tags) {
     Query<Meetup> query = ds().createQuery(Meetup.class).field("coordinates").near(x, y).field("date").greaterThanOrEq(new Date()).limit(200);
+    if (tags != null && !tags.isEmpty()) {
+      query.field("tags").in(tags);
+    }
     return query.asList();
   }