package ca.carleton.gcrc.couch.user.db;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Vector;
import javax.servlet.http.Cookie;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ca.carleton.gcrc.couch.client.CouchDb;
import ca.carleton.gcrc.couch.client.CouchDesignDocument;
import ca.carleton.gcrc.couch.client.CouchFactory;
import ca.carleton.gcrc.couch.client.CouchQuery;
import ca.carleton.gcrc.couch.client.CouchQueryResults;
import ca.carleton.gcrc.couch.client.CouchSession;
import ca.carleton.gcrc.couch.client.CouchUserContext;
import ca.carleton.gcrc.couch.client.CouchUserDb;
import ca.carleton.gcrc.couch.client.impl.CouchContextCookie;
public class UserRepositoryCouchDb implements UserRepository {
final protected Logger logger = LoggerFactory.getLogger(this.getClass());
private CouchUserDb userDb;
private CouchDesignDocument nunaliitUserDesignDocument;
public UserRepositoryCouchDb(
CouchUserDb userDb
,CouchDesignDocument nunaliitUserDesignDocument
){
this.userDb = userDb;
this.nunaliitUserDesignDocument = nunaliitUserDesignDocument;
}
@Override
public JSONObject getUserFromName(String name) throws Exception {
String id = "org.couchdb.user:"+name;
return getUserFromId(id);
}
@Override
public JSONObject getUserFromId(String id) throws Exception {
return userDb.getDocument(id);
}
@Override
public Collection<JSONObject> getUsersFromNames(List<String> names) throws Exception {
List<String> docIds = new ArrayList<String>(names.size());
for(String n : names){
String id = "org.couchdb.user:"+n;
docIds.add(id);
}
Collection<JSONObject> userDocs = userDb.getDocuments(docIds);
// Work around for bug in CouchDb 1.4.0
if( userDocs.size() > 0 ) {
JSONObject firstUser = userDocs.iterator().next();
Object returnedId = firstUser.opt("_id");
if( null == returnedId ){
// Perform request, one at a time
List<JSONObject> tempUserDocs = new Vector<JSONObject>();
for(String id : docIds){
try {
JSONObject userDoc = userDb.getDocument(id);
if( null != userDoc ){
tempUserDocs.add(userDoc);
}
} catch(Exception e) {
// Ignore error. User is not in database
}
}
// Continue with this list, instead
userDocs = tempUserDocs;
}
}
return userDocs;
}
@Override
public JSONObject getUserFromEmailAddress(String emailAddress) throws Exception {
try {
CouchQuery query = new CouchQuery();
query.setViewName("validated-emails");
query.setStartKey(emailAddress);
query.setEndKey(emailAddress);
query.setIncludeDocs(true);
CouchQueryResults results = nunaliitUserDesignDocument.performQuery(query);
List<JSONObject> rows = results.getRows();
for(JSONObject row : rows){
JSONObject doc = row.optJSONObject("doc");
if( null != doc ){
return doc;
}
}
throw new Exception("Unable to find user with e-mail address: "+emailAddress);
} catch (Exception e) {
throw new Exception("Error while searching user with e-mail address: "+emailAddress,e);
}
}
@Override
public void createUser(JSONObject userDoc) throws Exception {
userDb.createDocument(userDoc);
}
@Override
public void updateUser(JSONObject userDoc) throws Exception {
userDb.updateDocument(userDoc);
}
@Override
public void recoverPassword(String name, String newPassword) throws Exception {
try {
String id = "org.couchdb.user:"+name;
JSONObject userDoc = userDb.getDocument(id);
userDb.computeUserPassword(userDoc, newPassword);
userDb.updateDocument(userDoc);
} catch(Exception e) {
throw new Exception("Unable to update password: "+name);
}
}
@Override
public CouchUserContext getRolesFromAuthentication(Cookie[] cookies) throws Exception {
CouchContextCookie contextCookie = new CouchContextCookie();
for(Cookie cookie : cookies){
contextCookie.setCookie(cookie.getName(), cookie.getValue());
}
CouchFactory factory = new CouchFactory();
CouchDb couchDb = factory.getDb(contextCookie, userDb);
CouchSession session = couchDb.getClient().getSession();
CouchUserContext userContext = session.getCurrentUserContext();
return userContext;
}
@Override
public void computeUserPassword(JSONObject userDoc, String password) throws Exception {
userDb.computeUserPassword(userDoc, password);
}
}