Merge pull request #19 from sismics/master

Fix post-ACL system

docs-android/app/src/main/java/com/sismics/docs/activity/DocumentViewActivity.java

@@ -71,17 +71,22 @@ public class DocumentViewActivity extends AppCompatActivity {
     /**
      * File view pager.
      */
-    ViewPager fileViewPager;
+    private ViewPager fileViewPager;
 
     /**
      * File pager adapter.
      */
-    FilePagerAdapter filePagerAdapter;
+    private FilePagerAdapter filePagerAdapter;
 
     /**
      * Document displayed.
      */
-    JSONObject document;
+    private JSONObject document;
+
+    /**
+     * Menu.
+     */
+    private Menu menu;
 
     @Override
     protected void onCreate(final Bundle args) {
@@ -181,12 +186,16 @@ public class DocumentViewActivity extends AppCompatActivity {
 
         // Grab the attached files
         updateFiles();
+
+        // Grab the full document (used for ACLs and writable status)
+        updateDocument();
     }
 
     @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
+    public boolean onCreateOptionsMenu(final Menu menu) {
         MenuInflater inflater = getMenuInflater();
         inflater.inflate(R.menu.document_view_activity, menu);
+        this.menu = menu;
         return super.onCreateOptionsMenu(menu);
     }
 
@@ -493,6 +502,33 @@ public class DocumentViewActivity extends AppCompatActivity {
         }
     }
 
+    /**
+     * Update the document model.
+     */
+    private void updateDocument() {
+        if (document == null) return;
+
+        // Silently get the document to know if it is writable by the current user
+        // If this call fails or is slow and the document is read-only,
+        // write actions will be allowed and will fail
+        DocumentResource.get(this, document.optString("id"), new JsonHttpResponseHandler() {
+            @Override
+            public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
+                boolean writable = response.optBoolean("writable");
+
+                if (menu != null) {
+                    menu.findItem(R.id.share).setVisible(writable);
+                    menu.findItem(R.id.upload_file).setVisible(writable);
+                    menu.findItem(R.id.edit).setVisible(writable);
+                    menu.findItem(R.id.delete_file).setVisible(writable);
+                    menu.findItem(R.id.delete_document).setVisible(writable);
+                }
+
+                // TODO Show the ACLs in a sliding panel from the right
+            }
+        });
+    }
+
     /**
      * Refresh files list.
      */

docs-android/app/src/main/java/com/sismics/docs/adapter/ShareListAdapter.java

@@ -15,6 +15,9 @@ import com.sismics.docs.event.ShareSendEvent;
 import org.json.JSONArray;
 import org.json.JSONObject;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import de.greenrobot.event.EventBus;
 
 /**
@@ -26,25 +29,33 @@ public class ShareListAdapter extends BaseAdapter {
     /**
      * Shares.
      */
-    private JSONArray shares;
+    private List<JSONObject> acls;
 
     /**
      * Share list adapter.
      *
-     * @param shares Shares
+     * @param acls ACLs
      */
-    public ShareListAdapter(JSONArray shares) {
+    public ShareListAdapter(JSONArray acls) {
-        this.shares = shares;
+        this.acls = new ArrayList<>();
+
+        // Extract only share ACLs
+        for (int i = 0; i < acls.length(); i++) {
+            JSONObject acl = acls.optJSONObject(i);
+            if (acl.optString("type").equals("SHARE")) {
+                this.acls.add(acl);
+            }
+        }
     }
 
     @Override
     public int getCount() {
-        return shares.length();
+        return acls.size();
     }
 
     @Override
     public JSONObject getItem(int position) {
-        return shares.optJSONObject(position);
+        return acls.get(position);
     }
 
     @Override
@@ -60,8 +71,8 @@ public class ShareListAdapter extends BaseAdapter {
         }
 
         // Fill the view
-        final JSONObject share = getItem(position);
+        final JSONObject acl = getItem(position);
-        String name = share.optString("name");
+        String name = acl.optString("name");
         TextView shareTextView = (TextView) view.findViewById(R.id.shareTextView);
         shareTextView.setText(name.isEmpty() ? parent.getContext().getString(R.string.share_default_name) : name);
 
@@ -70,7 +81,7 @@ public class ShareListAdapter extends BaseAdapter {
         shareDeleteButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                EventBus.getDefault().post(new ShareDeleteEvent(share.optString("id")));
+                EventBus.getDefault().post(new ShareDeleteEvent(acl.optString("id")));
             }
         });
 
@@ -79,7 +90,7 @@ public class ShareListAdapter extends BaseAdapter {
         shareSendButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
-                EventBus.getDefault().post(new ShareSendEvent(share));
+                EventBus.getDefault().post(new ShareSendEvent(acl));
             }
         });
 

docs-android/app/src/main/java/com/sismics/docs/event/ShareSendEvent.java

@@ -9,20 +9,20 @@ import org.json.JSONObject;
  */
 public class ShareSendEvent {
     /**
-     * Share data.
+     * ACL data.
      */
-    private JSONObject share;
+    private JSONObject acl;
 
     /**
      * Create a share send event.
      *
-     * @param share Share data
+     * @param acl ACL data
      */
-    public ShareSendEvent(JSONObject share) {
+    public ShareSendEvent(JSONObject acl) {
-        this.share = share;
+        this.acl = acl;
     }
 
-    public JSONObject getShare() {
+    public JSONObject getAcl() {
-        return share;
+        return acl;
     }
 }

docs-android/app/src/main/java/com/sismics/docs/fragment/DocShareFragment.java

@@ -125,10 +125,10 @@ public class DocShareFragment extends DialogFragment {
             @Override
             public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
                 document = response;
-                JSONArray shares = response.optJSONArray("shares");
+                JSONArray acls = response.optJSONArray("acls");
                 shareProgressBar.setVisibility(View.GONE);
                 shareListView.setEmptyView(shareEmptyView);
-                shareListView.setAdapter(new ShareListAdapter(shares));
+                shareListView.setAdapter(new ShareListAdapter(acls));
             }
 
             @Override
@@ -158,7 +158,7 @@ public class DocShareFragment extends DialogFragment {
 
         // Build the share link
         String serverUrl = PreferenceUtil.getServerUrl(getActivity());
-        String link = serverUrl + "/share.html#/share/" + document.optString("id") + "/" + event.getShare().optString("id");
+        String link = serverUrl + "/share.html#/share/" + document.optString("id") + "/" + event.getAcl().optString("id");
 
         // Build the intent
         Context context = getActivity();

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/DocumentDao.java

@@ -68,11 +68,29 @@ public class DocumentDao {
      * @param id Document ID
      * @return Document
      */
-    public Document getDocument(String id) {
+    public DocumentDto getDocument(String id) {
         EntityManager em = ThreadLocalContext.get().getEntityManager();
-        Query q = em.createQuery("select d from Document d where d.id = :id and d.deleteDate is null");
+        StringBuilder sb = new StringBuilder("select d.DOC_ID_C, d.DOC_TITLE_C, d.DOC_DESCRIPTION_C, d.DOC_CREATEDATE_D, d.DOC_LANGUAGE_C, ");
+        sb.append(" (select count(s.SHA_ID_C) from T_SHARE s, T_ACL ac where ac.ACL_SOURCEID_C = d.DOC_ID_C and ac.ACL_TARGETID_C = s.SHA_ID_C and ac.ACL_DELETEDATE_D is null and s.SHA_DELETEDATE_D is null), ");
+        sb.append(" (select count(f.FIL_ID_C) from T_FILE f where f.FIL_DELETEDATE_D is null and f.FIL_IDDOC_C = d.DOC_ID_C), ");
+        sb.append(" u.USE_USERNAME_C ");
+        sb.append(" from T_DOCUMENT d, T_USER u ");
+        sb.append(" where d.DOC_IDUSER_C = u.USE_ID_C and d.DOC_ID_C = :id and d.DOC_DELETEDATE_D is null ");
+        Query q = em.createNativeQuery(sb.toString());
         q.setParameter("id", id);
-        return (Document) q.getSingleResult();
+        Object[] o = (Object[]) q.getSingleResult();
+        
+        DocumentDto documentDto = new DocumentDto();
+        int i = 0;
+        documentDto.setId((String) o[i++]);
+        documentDto.setTitle((String) o[i++]);
+        documentDto.setDescription((String) o[i++]);
+        documentDto.setCreateTimestamp(((Timestamp) o[i++]).getTime());
+        documentDto.setLanguage((String) o[i++]);
+        documentDto.setShared(((Number) o[i++]).intValue() > 0);
+        documentDto.setFileCount(((Number) o[i++]).intValue());
+        documentDto.setCreator((String) o[i++]);
+        return documentDto;
     }
     
     /**

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/TagDao.java

@@ -75,16 +75,18 @@ public class TagDao {
      * @return
      */
     @SuppressWarnings("unchecked")
-    public List<TagDto> getByDocumentId(String documentId) {
+    public List<TagDto> getByDocumentId(String documentId, String userId) {
         EntityManager em = ThreadLocalContext.get().getEntityManager();
         StringBuilder sb = new StringBuilder("select t.TAG_ID_C, t.TAG_NAME_C, t.TAG_COLOR_C from T_DOCUMENT_TAG dt ");
         sb.append(" join T_TAG t on t.TAG_ID_C = dt.DOT_IDTAG_C ");
         sb.append(" where dt.DOT_IDDOCUMENT_C = :documentId and t.TAG_DELETEDATE_D is null ");
+        sb.append(" and t.TAG_IDUSER_C = :userId ");
         sb.append(" order by t.TAG_NAME_C ");
         
         // Perform the query
         Query q = em.createNativeQuery(sb.toString());
         q.setParameter("documentId", documentId);
+        q.setParameter("userId", userId);
         List<Object[]> l = q.getResultList();
         
         // Assemble results

docs-core/src/main/java/com/sismics/docs/core/dao/jpa/dto/DocumentDto.java

@@ -44,6 +44,11 @@ public class DocumentDto {
      */
     private Integer fileCount;
     
+    /**
+     * Document creator.
+     */
+    private String creator;
+    
     /**
      * Getter de id.
      *
@@ -167,4 +172,20 @@ public class DocumentDto {
     public void setFileCount(Integer fileCount) {
         this.fileCount = fileCount;
     }
+
+    /**
+     * Getter of creator.
+     * @return creator
+     */
+    public String getCreator() {
+        return creator;
+    }
+
+    /**
+     * Setter of creator.
+     * @param creator creator
+     */
+    public void setCreator(String creator) {
+        this.creator = creator;
+    }
 }

docs-web/src/main/java/com/sismics/docs/rest/resource/AclResource.java

@@ -58,7 +58,7 @@ public class AclResource extends BaseResource {
         }
         
         // Validate input
-        sourceId = ValidationUtil.validateLength(sourceId, "source", 36, 36, false);
+        ValidationUtil.validateRequired(sourceId, "source");
         PermType perm = PermType.valueOf(ValidationUtil.validateLength(permStr, "perm", 1, 30, false));
         username = ValidationUtil.validateLength(username, "username", 1, 50, false);
         
@@ -105,7 +105,7 @@ public class AclResource extends BaseResource {
      * @throws JSONException
      */
     @DELETE
-    @Path("{sourceId: [a-z0-9\\-]+}/{perm: READ|WRITE}/{targetId: [a-z0-9\\-]+}")
+    @Path("{sourceId: [a-z0-9\\-]+}/{perm: [A-Z]+}/{targetId: [a-z0-9\\-]+}")
     @Produces(MediaType.APPLICATION_JSON)
     public Response delete(
             @PathParam("sourceId") String sourceId,
@@ -116,9 +116,9 @@ public class AclResource extends BaseResource {
         }
         
         // Validate input
-        sourceId = ValidationUtil.validateLength(sourceId, "source", 36, 36, false);
+        ValidationUtil.validateRequired(sourceId, "source");
         PermType perm = PermType.valueOf(ValidationUtil.validateLength(permStr, "perm", 1, 30, false));
-        targetId = ValidationUtil.validateLength(targetId, "target", 36, 36, false);
+        ValidationUtil.validateRequired(targetId, "target");
 
         // Check permission on the source by the principal
         AclDao aclDao = new AclDao();

docs-web/src/main/java/com/sismics/docs/rest/resource/DocumentResource.java

@@ -38,7 +38,6 @@ import com.sismics.docs.core.dao.jpa.AclDao;
 import com.sismics.docs.core.dao.jpa.DocumentDao;
 import com.sismics.docs.core.dao.jpa.FileDao;
 import com.sismics.docs.core.dao.jpa.TagDao;
-import com.sismics.docs.core.dao.jpa.UserDao;
 import com.sismics.docs.core.dao.jpa.criteria.DocumentCriteria;
 import com.sismics.docs.core.dao.jpa.dto.AclDto;
 import com.sismics.docs.core.dao.jpa.dto.DocumentDto;
@@ -84,10 +83,9 @@ public class DocumentResource extends BaseResource {
         
         DocumentDao documentDao = new DocumentDao();
         AclDao aclDao = new AclDao();
-        UserDao userDao = new UserDao();
+        DocumentDto documentDto;
-        Document documentDb;
         try {
-            documentDb = documentDao.getDocument(documentId);
+            documentDto = documentDao.getDocument(documentId);
             
             // Check document visibility
             if (!aclDao.checkPermission(documentId, PermType.READ, shareId == null ? principal.getId() : shareId)) {
@@ -98,25 +96,35 @@ public class DocumentResource extends BaseResource {
         }
 
         JSONObject document = new JSONObject();
-        document.put("id", documentDb.getId());
+        document.put("id", documentDto.getId());
-        document.put("title", documentDb.getTitle());
+        document.put("title", documentDto.getTitle());
-        document.put("description", documentDb.getDescription());
+        document.put("description", documentDto.getDescription());
-        document.put("create_date", documentDb.getCreateDate().getTime());
+        document.put("create_date", documentDto.getCreateTimestamp());
-        document.put("language", documentDb.getLanguage());
+        document.put("language", documentDto.getLanguage());
-        document.put("creator", userDao.getById(documentDb.getUserId()).getUsername());
+        document.put("shared", documentDto.getShared());
+        document.put("file_count", documentDto.getFileCount());
         
-        // Add tags
+        if (principal.isAnonymous()) {
-        TagDao tagDao = new TagDao();
+            // No tags in anonymous mode (sharing)
-        List<TagDto> tagDtoList = tagDao.getByDocumentId(documentId);
+            document.put("tags", new ArrayList<JSONObject>());
-        List<JSONObject> tags = new ArrayList<>();
+        } else {
-        for (TagDto tagDto : tagDtoList) {
+            // Add tags added by the current user on this document
-            JSONObject tag = new JSONObject();
+            TagDao tagDao = new TagDao();
-            tag.put("id", tagDto.getId());
+            List<TagDto> tagDtoList = tagDao.getByDocumentId(documentId, principal.getId());
-            tag.put("name", tagDto.getName());
+            List<JSONObject> tags = new ArrayList<>();
-            tag.put("color", tagDto.getColor());
+            for (TagDto tagDto : tagDtoList) {
-            tags.add(tag);
+                JSONObject tag = new JSONObject();
+                tag.put("id", tagDto.getId());
+                tag.put("name", tagDto.getName());
+                tag.put("color", tagDto.getColor());
+                tags.add(tag);
+            }
+            document.put("tags", tags);
         }
-        document.put("tags", tags);
+        
+        // Below is specific to GET /document/id
+        
+        document.put("creator", documentDto.getCreator());
         
         // Add ACL
         List<AclDto> aclDtoList = aclDao.getBySourceId(documentId);
@@ -130,7 +138,10 @@ public class DocumentResource extends BaseResource {
             acl.put("type", aclDto.getTargetType());
             aclList.add(acl);
             
-            if (aclDto.getTargetId().equals(principal.getId()) && aclDto.getPerm() == PermType.WRITE) {
+            if (!principal.isAnonymous()
+                    && aclDto.getTargetId().equals(principal.getId())
+                    && aclDto.getPerm() == PermType.WRITE) {
+                // The document is writable for the current user
                 writable = true;
             }
         }
@@ -182,12 +193,12 @@ public class DocumentResource extends BaseResource {
             document.put("title", documentDto.getTitle());
             document.put("description", documentDto.getDescription());
             document.put("create_date", documentDto.getCreateTimestamp());
-            document.put("shared", documentDto.getShared());
             document.put("language", documentDto.getLanguage());
+            document.put("shared", documentDto.getShared());
             document.put("file_count", documentDto.getFileCount());
             
-            // Get tags
+            // Get tags added by the current user on this document
-            List<TagDto> tagDtoList = tagDao.getByDocumentId(documentDto.getId());
+            List<TagDto> tagDtoList = tagDao.getByDocumentId(documentDto.getId(), principal.getId());
             List<JSONObject> tags = new ArrayList<>();
             for (TagDto tagDto : tagDtoList) {
                 JSONObject tag = new JSONObject();

docs-web/src/main/java/com/sismics/docs/rest/resource/FileResource.java

@@ -41,6 +41,7 @@ import com.sismics.docs.core.dao.jpa.AclDao;
 import com.sismics.docs.core.dao.jpa.DocumentDao;
 import com.sismics.docs.core.dao.jpa.FileDao;
 import com.sismics.docs.core.dao.jpa.UserDao;
+import com.sismics.docs.core.dao.jpa.dto.DocumentDto;
 import com.sismics.docs.core.event.FileCreatedAsyncEvent;
 import com.sismics.docs.core.event.FileDeletedAsyncEvent;
 import com.sismics.docs.core.model.context.AppContext;
@@ -486,9 +487,9 @@ public class FileResource extends BaseResource {
         
         // Get the document
         DocumentDao documentDao = new DocumentDao();
-        Document document;
+        DocumentDto documentDto;
         try {
-            document = documentDao.getDocument(documentId);
+            documentDto = documentDao.getDocument(documentId);
             
             // Check document visibility
             AclDao aclDao = new AclDao();
@@ -537,7 +538,7 @@ public class FileResource extends BaseResource {
         // Write to the output
         return Response.ok(stream)
                 .header("Content-Type", "application/zip")
-                .header("Content-Disposition", "attachment; filename=\"" + document.getTitle().replaceAll("\\W+", "_") + ".zip\"")
+                .header("Content-Disposition", "attachment; filename=\"" + documentDto.getTitle().replaceAll("\\W+", "_") + ".zip\"")
                 .build();
     }
 }

docs-web/src/main/webapp/src/app/docs/controller/DocumentView.js

@@ -151,7 +151,6 @@ angular.module('docs').controller('DocumentView', function ($scope, $state, $sta
 
   /**
    * File has been drag & dropped.
-   * @param files
    */
   $scope.fileDropped = function(files) {
     if (!$scope.document.writable) {
@@ -186,8 +185,6 @@ angular.module('docs').controller('DocumentView', function ($scope, $state, $sta
 
   /**
    * Upload a file.
-   * @param file
-   * @param newfile
    */
   $scope.uploadFile = function(file, newfile) {
     // Upload the file
@@ -210,7 +207,6 @@ angular.module('docs').controller('DocumentView', function ($scope, $state, $sta
 
   /**
    * Delete an ACL.
-   * @param acl
    */
   $scope.deleteAcl = function(acl) {
     Restangular.one('acl/' + $stateParams.id + '/' + acl.perm + '/' + acl.id, null).remove().then(function () {
@@ -224,17 +220,45 @@ angular.module('docs').controller('DocumentView', function ($scope, $state, $sta
    * Add an ACL.
    */
   $scope.addAcl = function() {
+    // Compute ACLs to add
     $scope.acl.source = $stateParams.id;
-    Restangular.one('acl').put($scope.acl).then(function(acl) {
+    var acls = [];
-      $scope.acl = { perm: 'READ' };
+    if ($scope.acl.perm == 'READWRITE') {
-      if (_.isUndefined(acl.id)) {
+      acls = [{
-        return;
+        source: $stateParams.id,
-      }
+        username: $scope.acl.username,
-      $scope.document.acls.push(acl);
+        perm: 'READ'
-      $scope.document.acls = angular.copy($scope.document.acls);
+      }, {
+        source: $stateParams.id,
+        username: $scope.acl.username,
+        perm: 'WRITE'
+      }];
+    } else {
+      acls = [{
+        source: $stateParams.id,
+        username: $scope.acl.username,
+        perm: $scope.acl.perm
+      }];
+    }
+
+    // Add ACLs
+    _.each(acls, function(acl) {
+      Restangular.one('acl').put(acl).then(function(acl) {
+        if (_.isUndefined(acl.id)) {
+          return;
+        }
+        $scope.document.acls.push(acl);
+        $scope.document.acls = angular.copy($scope.document.acls);
+      });
     });
+
+    // Reset form
+    $scope.acl = { perm: 'READ' };
   };
 
+  /**
+   * Auto-complete on ACL target.
+   */
   $scope.getTargetAclTypeahead = function($viewValue) {
     var deferred = $q.defer();
     Restangular.one('acl/target/search')

docs-web/src/main/webapp/src/partial/docs/document.view.html

@@ -92,7 +92,7 @@
           <td>
             <span class="label label-default" style="margin-right: 6px;" ng-repeat="a in acl | orderBy: 'perm'">
               {{ a.perm }}
-              <span ng-show="document.creator != a.name && a.type == 'USER' && document.writable"
+              <span ng-show="(document.creator != a.name && a.type == 'USER' || a.type != 'USER') && document.writable"
                     class="glyphicon glyphicon-remove pointer"
                     ng-click="deleteAcl(a)"></span>
             </span>
@@ -118,8 +118,8 @@
             <label class=" col-sm-2 control-label" for="inputPermission">Permission</label>
             <div class="col-sm-3">
               <select class="form-control" ng-model="acl.perm" id="inputPermission">
-                <option value="READ">Read</option>
+                <option value="READ">Can read</option>
-                <option value="WRITE">Write</option>
+                <option value="READWRITE">Can edit</option>
               </select>
             </div>
           </div>

docs-web/src/test/java/com/sismics/docs/rest/TestDocumentResource.java

@@ -138,8 +138,8 @@ public class TestDocumentResource extends BaseJerseyTest {
         postParams.add("title", "My super title document 1");
         postParams.add("description", "My super description for document 1");
         postParams.add("language", "eng");
-        create1Date = new Date().getTime();
+        long create3Date = new Date().getTime();
-        postParams.add("create_date", create1Date);
+        postParams.add("create_date", create3Date);
         response = documentResource.put(ClientResponse.class, postParams);
         Assert.assertEquals(Status.OK, Status.fromStatusCode(response.getStatus()));
         json = response.getEntity(JSONObject.class);
@@ -148,14 +148,14 @@ public class TestDocumentResource extends BaseJerseyTest {
         
         // Add a file
         fileResource = resource().path("/file");
-        fileResource.addFilter(new CookieAuthenticationFilter(document1Token));
+        fileResource.addFilter(new CookieAuthenticationFilter(document3Token));
         form = new FormDataMultiPart();
         file = this.getClass().getResourceAsStream("/file/Einstein-Roosevelt-letter.png");
         fdp = new FormDataBodyPart("file",
                 new BufferedInputStream(file),
                 MediaType.APPLICATION_OCTET_STREAM_TYPE);
         form.bodyPart(fdp);
-        form.field("id", document1Id);
+        form.field("id", document3Id);
         response = fileResource.type(MediaType.MULTIPART_FORM_DATA).put(ClientResponse.class, form);
         Assert.assertEquals(Status.OK, Status.fromStatusCode(response.getStatus()));
         json = response.getEntity(JSONObject.class);
@@ -206,6 +206,13 @@ public class TestDocumentResource extends BaseJerseyTest {
         json = response.getEntity(JSONObject.class);
         Assert.assertEquals(Status.OK, Status.fromStatusCode(response.getStatus()));
         Assert.assertEquals(document1Id, json.getString("id"));
+        Assert.assertEquals("document1", json.getString("creator"));
+        Assert.assertEquals(1, json.getInt("file_count"));
+        Assert.assertEquals(true, json.getBoolean("shared"));
+        Assert.assertEquals("My super title document 1", json.getString("title"));
+        Assert.assertEquals("My super description for document 1", json.getString("description"));
+        Assert.assertEquals("eng", json.getString("language"));
+        Assert.assertEquals(create1Date, json.getLong("create_date"));
         tags = json.getJSONArray("tags");
         Assert.assertEquals(1, tags.length());
         Assert.assertEquals(tag1Id, tags.getJSONObject(0).getString("id"));