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Code Issues Projects Releases Wiki Activity

Can retrieve information about multiple users

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This commit is contained in:
Pierre
2017-11-12 15:38:09 +01:00
parent c8b64f7e53
commit f1a6ff8502
2 changed files with 159 additions and 1 deletions
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122
app/src/main/java/org/communiquons/android/comunic/client/data/UsersInfo/GetUsersInfos.java
View File

@@ -1,6 +1,7 @@
package org.communiquons.android.comunic.client.data.UsersInfo;
import android.content.Context;
import android.util.ArrayMap;
import org.communiquons.android.comunic.client.api.APIRequestParameters;
import org.communiquons.android.comunic.client.api.APIRequestTask;
@@ -9,6 +10,8 @@ import org.communiquons.android.comunic.client.data.DatabaseHelper;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
/**
* This class handles informations requests about user informations
*
@@ -58,6 +61,19 @@ public class GetUsersInfos {
}
/**
* This interface must be implemented to perform an API request
*/
public interface getMultipleUserInfosCallback{
/**
* Callback function called when we got informations about user
*
* @param info Information about the user
*/
void callback(ArrayMap<Integer, UserInfo> info);
}
/**
* Get and return informations about a user
*
@@ -82,6 +98,39 @@ public class GetUsersInfos {
}
/**
* Get informations about multiple users
*
* @param IDs The ID of the user to get
* @param callback The result once we got all the users
*/
public void getMultiple(ArrayList<Integer> IDs, getMultipleUserInfosCallback callback){
//Initializate variables
ArrayList<Integer> usersToGet = new ArrayList<>();
ArrayMap<Integer, UserInfo> usersInfo = new ArrayMap<>();
//Process each given user to check if they are available locally or not
for(Integer id : IDs){
//Check if the user exist or not
if(!udbHelper.exists(id))
usersToGet.add(id);
else {
//Get and save user informations
usersInfo.put(id, udbHelper.get(id));
}
}
//Check if there are user informations to get on the server
if(usersToGet.size() > 0){
getMultipleOnServer(usersToGet, usersInfo, callback);
}
else {
//Call the callback now with the cached user informations
callback.callback(usersInfo);
}
}
/**
* Get and return the informations about a user on the server
*
@@ -140,6 +189,79 @@ public class GetUsersInfos {
}
/**
* Get and return the informations about mutliple users on the server
*
* @param IDs The ID of the user to get informations from
* @param uInfos Informations about the other users (users that were already available in the db)
* @param callback What to do once the request is done
*/
private void getMultipleOnServer(final ArrayList<Integer> IDs, final ArrayMap<Integer, UserInfo> uInfos,
final getMultipleUserInfosCallback callback){
//Determine IDs list
String IDs_list = "";
for(int id : IDs){
IDs_list += id + ",";
}
//Perform a request on the API server
//Setup the request
APIRequestParameters requestParameters = new APIRequestParameters(context, "user/getInfosMultiple");
requestParameters.addParameter("usersID", IDs_list);
//Do it.
new APIRequestTask(){
@Override
protected void onPostExecute(APIResponse result) {
try {
if(result != null) {
//Try to extract user informations
JSONObject userObjectContainer = result.getJSONObject();
if (userObjectContainer != null) {
//Process each user ID
for(int userID : IDs) {
UserInfo userInfos = null;
//Extract user object
JSONObject userObject = userObjectContainer.getJSONObject(""+userID);
//Continue only if we could extract required informations
if (userObject != null) {
//Parse user informations
userInfos = parse_user_json(userObject);
}
//Save user information in the local database in case of success
if (userInfos != null)
udbHelper.insertOrUpdate(userInfos);
//Add the user to the list
uInfos.put(userID, userInfos);
}
}
}
} catch (JSONException e){
e.printStackTrace();
}
//Perform callback action
callback.callback(uInfos);
}
}.execute(requestParameters);
}
/**
* Parse a JSON object into a user object
*

38
app/src/main/java/org/communiquons/android/comunic/client/fragments/FriendsListFragment.java
View File

@@ -3,11 +3,19 @@ package org.communiquons.android.comunic.client.fragments;
import android.app.Fragment;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.util.ArrayMap;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
import org.communiquons.android.comunic.client.R;
import org.communiquons.android.comunic.client.data.DatabaseHelper;
import org.communiquons.android.comunic.client.data.UsersInfo.GetUsersInfos;
import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
import java.util.ArrayList;
/**
* Friends list fragment
@@ -24,10 +32,38 @@ public class FriendsListFragment extends Fragment {
Bundle savedInstanceState) {
//Retain the fragment
setRetainInstance(true);
//setRetainInstance(true);
//Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_friendslist, container, false);
}
@Override
public void onStart() {
super.onStart();
final ArrayList<Integer> list = new ArrayList<>();
list.add(2);
list.add(3);
new GetUsersInfos(getActivity(), new DatabaseHelper(getActivity())).getMultiple(list, new GetUsersInfos.getMultipleUserInfosCallback() {
@Override
public void callback(ArrayMap<Integer, UserInfo> info) {
Log.v("FriendsListFragment", "User infos callback");
if(info == null)
Toast.makeText(getActivity(), "Failure", Toast.LENGTH_LONG).show();
else
Toast.makeText(getActivity(), "Success", Toast.LENGTH_LONG).show();
for(int ID : list){
UserInfo infos = info.get(ID);
if(infos == null)
Log.e("FriendsListFragment", "Error with user infos for ID " + ID);
else
Log.v("FriendsListFragment", ID + " is " + infos.getFullName() + " !");
}
}
});
}
}