Synnefo

/*

 * Copyright 2009 Electronic Business Systems Ltd.

 *

 * This file is part of GSS.

 *

 * GSS is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, either version 3 of the License, or

 * (at your option) any later version.

 *

 * GSS is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with GSS.  If not, see <http://www.gnu.org/licenses/>.

 */

package gr.ebs.gss.client.rest.resource;

import gr.ebs.gss.client.GSS;

import gr.ebs.gss.client.rest.MultipleGetCommand;

import gr.ebs.gss.client.rest.MultipleGetCommand.Cached;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashSet;

import java.util.LinkedList;

import java.util.List;

import java.util.Set;

import com.google.gwt.core.client.GWT;

import com.google.gwt.http.client.URL;

import com.google.gwt.json.client.JSONArray;

import com.google.gwt.json.client.JSONObject;

import com.google.gwt.json.client.JSONParser;

import com.google.gwt.user.client.ui.TreeItem;

/**

 * @author kman

 */

public class FolderResource extends RestResource {

        public FolderResource(String aUri) {

                super(aUri);

        }

        String name;

        String owner;

        String createdBy;

        String modifiedBy;

        Date creationDate;

        Date modificationDate;

        List<String> filePaths = new LinkedList<String>();

        List<String> subfolderPaths = new LinkedList<String>();

        Set<PermissionHolder> permissions = new HashSet<PermissionHolder>();

        List<FolderResource> folders = new ArrayList<FolderResource>();

        List<FileResource> files = new ArrayList<FileResource>();

        String parentURI;

        boolean deleted = false;

        boolean needsExpanding = false;

        String parentName;

        private boolean filesExpanded=false;

        /**

         * Modify the parentName.

         *

         * @param aParentName the parentName to set

         */

        public void setParentName(String aParentName) {

                parentName = aParentName;

        }

        /**

         * Retrieve the name.

         *

         * @return the name

         */

        public String getName() {

                return name;

        }

        /**

         * Modify the name.

         *

         * @param aName the name to set

         */

        public void setName(String aName) {

                name = aName;

        }

        /**

         * Retrieve the owner.

         *

         * @return the owner

         */

        public String getOwner() {

                return owner;

        }

        /**

         * Modify the owner.

         *

         * @param anOwner the owner to set

         */

        public void setOwner(String anOwner) {

                owner = anOwner;

        }

        /**

         * Retrieve the createdBy.

         *

         * @return the createdBy

         */

        public String getCreatedBy() {

                return createdBy;

        }

        /**

         * Modify the createdBy.

         *

         * @param aCreatedBy the createdBy to set

         */

        public void setCreatedBy(String aCreatedBy) {

                createdBy = aCreatedBy;

        }

        /**

         * Retrieve the modifiedBy.

         *

         * @return the modifiedBy

         */

        public String getModifiedBy() {

                return modifiedBy;

        }

        /**

         * Modify the modifiedBy.

         *

         * @param aModifiedBy the modifiedBy to set

         */

        public void setModifiedBy(String aModifiedBy) {

                modifiedBy = aModifiedBy;

        }

        /**

         * Retrieve the creationDate.

         *

         * @return the creationDate

         */

        public Date getCreationDate() {

                return creationDate;

        }

        /**

         * Modify the creationDate.

         *

         * @param aCreationDate the creationDate to set

         */

        public void setCreationDate(Date aCreationDate) {

                creationDate = aCreationDate;

        }

        /**

         * Retrieve the modificationDate.

         *

         * @return the modificationDate

         */

        public Date getModificationDate() {

                return modificationDate;

        }

        /**

         * Modify the modificationDate.

         *

         * @param aModificationDate the modificationDate to set

         */

        public void setModificationDate(Date aModificationDate) {

                modificationDate = aModificationDate;

        }

        /**

         * Retrieve the filePaths.

         *

         * @return the filePaths

         */

        public List<String> getFilePaths() {

                return filePaths;

        }

        /**

         * Modify the filePaths.

         *

         * @param newFilePaths the filePaths to set

         */

        public void setFilePaths(List<String> newFilePaths) {

                filePaths = newFilePaths;

        }

        /**

         * Retrieve the subfolderPaths.

         *

         * @return the subfolderPaths

         */

        public List<String> getSubfolderPaths() {

                return subfolderPaths;

        }

        /**

         * Modify the subfolderPaths.

         *

         * @param newSubfolderPaths the subfolderPaths to set

         */

        public void setSubfolderPaths(List<String> newSubfolderPaths) {

                subfolderPaths = newSubfolderPaths;

        }

        /**

         * Retrieve the permissions.

         *

         * @return the permissions

         */

        public Set<PermissionHolder> getPermissions() {

                return permissions;

        }

        /**

         * Modify the permissions.

         *

         * @param newPermissions the permissions to set

         */

        public void setPermissions(Set<PermissionHolder> newPermissions) {

                permissions = newPermissions;

        }

        /**

         * Retrieve the deleted.

         *

         * @return the deleted

         */

        public boolean isDeleted() {

                return deleted;

        }

        /**

         * Modify the deleted.

         *

         * @param newDeleted the deleted to set

         */

        public void setDeleted(boolean newDeleted) {

                deleted = newDeleted;

        }

        public void removeSubfolderPath(String spath) {

                if (subfolderPaths.remove(spath))

                        return;

                else if (subfolderPaths.remove(spath + "/"))

                        return;

                else

                        subfolderPaths.remove(spath.substring(0, spath.length() - 1));

        }

        /**

         * Retrieve the folders.

         *

         * @return the folders

         */

        public List<FolderResource> getFolders() {

                return folders;

        }

        /**

         * Modify the folders.

         *

         * @param newFolders the folders to set

         */

        public void setFolders(List<FolderResource> newFolders) {

                folders = newFolders;

        }

        /**

         * Retrieve the files.

         *

         * @return the files

         */

        public List<FileResource> getFiles() {

                return files;

        }

        /**

         * Modify the files.

         *

         * @param newFiles the files to set

         */

        public void setFiles(List<FileResource> newFiles) {

                files = newFiles;

        }

        /**

         * Retrieve the parentURI.

         *

         * @return the parentURI

         */

        public String getParentURI() {

                return parentURI;

        }

        /**

         * Modify the parentURI.

         *

         * @param aParentURI the parentURI to set

         */

        public void setParentURI(String aParentURI) {

                parentURI = aParentURI;

        }

        @Override

        public void createFromJSON(String text) {

                JSONObject json = (JSONObject) JSONParser.parse(text);

                name = unmarshallString(json, "name");

                owner = unmarshallString(json, "owner");

                deleted = unmarshallBoolean(json, "deleted");

                if (deleted)

                        GWT.log("FOUND A DELETED FOLDER:" + name, null);

                if (json.get("parent") != null) {

                        JSONObject parent = json.get("parent").isObject();

                        parentURI = unmarshallString(parent, "uri");

                        parentName = unmarshallString(parent, "name");

                        if(parentName != null)

                                parentName = URL.decodeComponent(parentName);

                }

                if (json.get("permissions") != null) {

                        JSONArray perm = json.get("permissions").isArray();

                        if (perm != null)

                                for (int i = 0; i < perm.size(); i++) {

                                        JSONObject obj = perm.get(i).isObject();

                                        if (obj != null) {

                                                PermissionHolder permission = new PermissionHolder();

                                                if (obj.get("user") != null)

                                                        permission.setUser(unmarshallString(obj, "user"));

                                                if (obj.get("group") != null)

                                                        permission.setGroup(URL.decodeComponent(unmarshallString(obj, "group")));

                                                permission.setRead(unmarshallBoolean(obj, "read"));

                                                permission.setWrite(unmarshallBoolean(obj, "write"));

                                                permission.setModifyACL(unmarshallBoolean(obj, "modifyACL"));

                                                permissions.add(permission);

                                        }

                                }

                }

                if (json.get("folders") != null) {

                        JSONArray subs = json.get("folders").isArray();

                        if (subs != null)

                                for (int i = 0; i < subs.size(); i++) {

                                        JSONObject so = subs.get(i).isObject();

                                        if (so != null) {

                                                String subUri = unmarshallString(so, "uri");

                                                String subName = unmarshallString(so, "name");

                                                if (subUri != null && subName != null) {

                                                        if (!subUri.endsWith("/"))

                                                                subUri = subUri + "/";

                                                        FolderResource sub = new FolderResource(subUri);

                                                        sub.setName(subName);

                                                        sub.setNeedsExpanding(true);

                                                        folders.add(sub);

                                                        subfolderPaths.add(subUri);

                                                }

                                        }

                                }

                }

                if (json.get("files") != null) {

                        JSONArray subs = json.get("files").isArray();

                        if (subs != null)

                                for (int i = 0; i < subs.size(); i++) {

                                        JSONObject fo = subs.get(i).isObject();

                                        if (fo != null) {

                                                String fname = unmarshallString(fo, "name");

                                                String fowner = unmarshallString(fo, "owner");

                                                String fcontent = unmarshallString(fo, "content");

                                                String fpath = unmarshallString(fo, "path");

                                                fpath = URL.decodeComponent(fpath);

                                                Integer fversion = null;

                                                if (fo.get("version") != null)

                                                        fversion = new Integer(fo.get("version").toString());

                                                boolean fdeleted = unmarshallBoolean(fo, "deleted");

                                                Date fcreationDate = null;

                                                if (fo.get("creationDate") != null)

                                                        fcreationDate = new Date(new Long(fo.get("creationDate").toString()));

                                                Date fmodificationDate = null;

                                                if (fo.get("modificationDate") != null)

                                                        fmodificationDate = new Date(new Long(fo.get("modificationDate").toString()));

                                                String furi = unmarshallString(fo, "uri");

                                                Long fsize = 0L;

                                                if (fo.get("size") != null)

                                                        fsize = new Long(fo.get("size").toString());

                                                filePaths.add(furi);

                                                FileResource fs = new FileResource(furi);

                                                fs.setName(fname);

                                                fs.setOwner(fowner);

                                                fs.setPath(fpath);

                                                fs.setVersion(fversion);

                                                fs.setContentLength(fsize);

                                                fs.setDeleted(fdeleted);

                                                fs.setCreationDate(fcreationDate);

                                                fs.setModificationDate(fmodificationDate);

                                                fs.setContentType(fcontent);

                                                files.add(fs);

                                        }

                                }

                }

                if (json.get("creationDate") != null)

                        creationDate = new Date(new Long(json.get("creationDate").toString()));

                if (json.get("modificationDate") != null)

                        modificationDate = new Date(new Long(json.get("modificationDate").toString()));

        }

        public String getParentName(){

                return parentName;

        }

        /**

         * Retrieve the needsExpanding.

         *

         * @return the needsExpanding

         */

        public boolean isNeedsExpanding() {

                return needsExpanding;

        }

        /**

         * Modify the needsExpanding.

         *

         * @param newNeedsExpanding the needsExpanding to set

         */

        public void setNeedsExpanding(boolean newNeedsExpanding) {

                needsExpanding = newNeedsExpanding;

        }

        public boolean isShared(){

                for(PermissionHolder perm : permissions){

                        if(perm.getUser() != null && !owner.equals(perm.getUser()))

                                return true;

                        if(perm.getGroup() != null)

                                return true;

                }

                return false;

        }

        @Override

        public String getLastModifiedSince() {

                if(modificationDate != null)

                        return getDate(modificationDate.getTime());

                return null;

        }

        public MultipleGetCommand.Cached[] getCache(){

                if(getSubfolderPaths().size() != getFolders().size()){

                        GWT.log("MISMATCH IN PATH AND FOLDERS SIZE", null);

                        return null;

                }

                MultipleGetCommand.Cached[] result = new MultipleGetCommand.Cached[getSubfolderPaths().size()];

                for(int i=0; i<getFolders().size();i++){

                        FolderResource r = getFolders().get(i);

                        Cached c = new Cached();

                        c.cache=r;

                        c.uri=r.uri;

                        result[i] = c;

                }

                return result;

        }

        public MultipleGetCommand.Cached[] getFileCache(){

                if(getFilePaths().size() != getFiles().size()){

                        GWT.log("MISMATCH IN PATH AND FILES SIZE", null);

                        return null;

                }

                if(!filesExpanded)

                        return null;

                MultipleGetCommand.Cached[] result = new MultipleGetCommand.Cached[getFilePaths().size()];

                for(int i=0; i<getFiles().size();i++){

                        FileResource r = getFiles().get(i);

                        Cached c = new Cached();

                        c.cache=r;

                        c.uri=r.uri;

                        result[i] = c;

                }

                return result;

        }

        public void setFilesExpanded(boolean newFilesExpanded) {

                filesExpanded = newFilesExpanded;

        }

        @Override

        public void updateHistoryAbs(TreeItem item, String path){

                try{

                        if(getParentURI() == null){

                                if(GSS.get().getFolders().getPopupTree().containsFolder(item, "Trash")){

//                                        case: selected folders below Trash folder

                                        String partialUri = GSS.get().getFolders().getPopupTree().constructPartialPath(item);

                                        GSS.get().updateHistory("Files/trash/" + partialUri, item);

                                } else

//                                        case: home folders are selected

                                        GSS.get().updateHistory("Files/files/" + getName(), item);

                        }

                        else if(item.getParentItem() == null){

//                                this is the case when the user uses the browser's forward arrow to navigate through other's

//                                shared folders and        item.getParentItem is null only inside other's shared folder

                                String apiPath = GSS.get().getApiPath();

                                String newPath = getParentURI().substring(apiPath.lastIndexOf("/"));

                                GSS.get().updateHistory("Files"+ newPath + getName(), item);

                        }

                        else if(GSS.get().getFolders().getPopupTree().containsFolder(item, "My Shared")){

//                                case: selected folders below My Shared folder

                                String partialUri = GSS.get().getFolders().getPopupTree().constructPartialPath(item);

                                GSS.get().updateHistory("Files/shared/" + partialUri, item);

                        }else if(GSS.get().getFolders().getPopupTree().containsFolder(item, "Other's Shared")){

//                                case: selected folders below Other's Shared folder

                                String partialPath = GSS.get().getFolders().getPopupTree().constructPartialPath(item);

                                GSS.get().updateHistory("Files/others/"+ partialPath, item);

                        }

                        else{

//                                case:all folders in user's folders tree

                                String finalUri = getParentURI().substring(path.lastIndexOf("/")) + getName();

                                GSS.get().updateHistory("Files"+ finalUri, item);

                        }

                }catch (Exception e){

                        throw new UnsupportedOperationException(e);

                }

        }

}