Improved PostsList object

2024-12-26 13:38:59 +00:00 · 2018-08-30 16:45:51 +02:00 · 2018-08-30 16:45:51 +02:00 · a1b2c8d7d8
commit a1b2c8d7d8
parent 0e1be1f43d
9 changed files with 169 additions and 98 deletions
--- a/app/src/main/java/org/communiquons/android/comunic/client/data/arrays/PostsList.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/data/arrays/PostsList.java
@ -1,7 +1,11 @@
 package org.communiquons.android.comunic.client.data.arrays;

+import android.support.annotation.Nullable;
+import android.util.ArrayMap;
+
 import org.communiquons.android.comunic.client.data.models.Comment;
 import org.communiquons.android.comunic.client.data.models.Post;
+import org.communiquons.android.comunic.client.data.models.UserInfo;

 import java.util.ArrayList;

@ -19,6 +23,11 @@ public class PostsList extends ArrayList<Post> {
     */
    private static final String TAG = "PostsList";

+    /**
+     * Associated users information
+     */
+    private ArrayMap<Integer, UserInfo> mUsersInfo = new ArrayMap<>();
+
    /**
     * Get the IDs of the users who created the posts and their comments
     *
@ -52,4 +61,29 @@ public class PostsList extends ArrayList<Post> {

    }

+    /**
+     * Get associated user information
+     *
+     * @return Associated user information
+     */
+    @Nullable
+    public ArrayMap<Integer, UserInfo> getUsersInfo() {
+        return mUsersInfo;
+    }
+
+    /**
+     * Set post associated users information
+     *
+     * @param usersInfo User list to set
+     */
+    public void setUsersInfo(@Nullable ArrayMap<Integer, UserInfo> usersInfo) {
+        this.mUsersInfo = usersInfo;
+    }
+
+    /**
+     * Check if information about related users are present or not
+     */
+    public boolean hasUsersInfo(){
+        return this.mUsersInfo != null;
+    }
 }
--- a/app/src/main/java/org/communiquons/android/comunic/client/ui/adapters/PostsAdapter.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/ui/adapters/PostsAdapter.java
@ -82,16 +82,14 @@ public class PostsAdapter extends BaseRecyclerViewAdapter {
     *
     * @param context The context of execution of the application
     * @param list The list of posts
-     * @param usersInfo Information about the user
     * @param listener Specify the listener to perform callback actions such as create a comment
     *                 for example
     */
-    public PostsAdapter(Context context, PostsList list, ArrayMap<Integer, UserInfo> usersInfo,
-                        onPostUpdateListener listener){
+    public PostsAdapter(Context context, PostsList list, onPostUpdateListener listener){
        super(context);

        mList = list;
-        mUsersInfo = usersInfo;
+        mUsersInfo = list.getUsersInfo();

        //Utilities
        mUtils = new Utilities(getContext());
--- a/app/src/main/java/org/communiquons/android/comunic/client/ui/asynctasks/LoadUserPostsTask.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/ui/asynctasks/LoadUserPostsTask.java
@ -0,0 +1,41 @@
+package org.communiquons.android.comunic.client.ui.asynctasks;
+
+import android.content.Context;
+
+import org.communiquons.android.comunic.client.data.arrays.PostsList;
+import org.communiquons.android.comunic.client.data.asynctasks.SafeAsyncTask;
+import org.communiquons.android.comunic.client.data.helpers.GetUsersHelper;
+import org.communiquons.android.comunic.client.data.helpers.PostsHelper;
+
+/**
+ * Load user posts task
+ *
+ * @author Pierre HUBERT
+ */
+public class LoadUserPostsTask extends SafeAsyncTask<Void, Void, PostsList> {
+
+    private int mUserID;
+
+    /**
+     * Constructor
+     *
+     * @param userID The ID of the target user
+     * @param context Application context
+     */
+    public LoadUserPostsTask(int userID, Context context) {
+        super(context);
+
+        this.mUserID = userID;
+    }
+
+    @Override
+    protected PostsList doInBackground(Void... voids) {
+        PostsList list = new PostsHelper(getContext()).get_user(mUserID);
+
+        //Get associated user information, if possible
+        if(list != null)
+            list.setUsersInfo(new GetUsersHelper(getContext()).getMultiple(list.getUsersId()));
+
+        return list;
+    }
+}
--- a/app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/LatestPostsFragment.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/LatestPostsFragment.java
@ -1,11 +1,11 @@
 package org.communiquons.android.comunic.client.ui.fragments;

-import android.support.annotation.NonNull;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentTransaction;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentTransaction;
 import android.util.ArrayMap;
 import android.view.LayoutInflater;
 import android.view.View;
@ -52,10 +52,6 @@ public class LatestPostsFragment extends Fragment
     */
    PostsList mPostsList;

-    /**
-     * Information about the related users
-     */
-    ArrayMap<Integer, UserInfo> mUserInfo;

    /**
     * Fragment that displays the list of posts
@ -133,7 +129,7 @@ public class LatestPostsFragment extends Fragment

                //Get user information, if possible
                if(postsList != null)
-                    mUserInfo = mUserHelper.getMultiple(postsList.getUsersId());
+                    postsList.setUsersInfo(mUserHelper.getMultiple(postsList.getUsersId()));

                return postsList;
            }
@ -166,7 +162,7 @@ public class LatestPostsFragment extends Fragment
            Toast.makeText(getActivity(), R.string.err_get_latest_posts, Toast.LENGTH_SHORT).show();
            return;
        }
-        if(mUserInfo == null){
+        if(!list.hasUsersInfo()){
            Toast.makeText(getActivity(), R.string.err_get_users_info, Toast.LENGTH_SHORT).show();
            return;
        }
@ -183,7 +179,6 @@ public class LatestPostsFragment extends Fragment
        //Apply the post fragment
        mPostsListFragment = new PostsListFragment();
        mPostsListFragment.setPostsList(mPostsList);
-        mPostsListFragment.setUsersInfos(mUserInfo);
        mPostsListFragment.setOnPostListFragmentsUpdateListener(this);

        //Create and commit a transaction
@ -249,19 +244,16 @@ public class LatestPostsFragment extends Fragment
            if(postsList == null)
                return null;

-            //Merge posts list
-            mPostsList.addAll(postsList);
-
            //Get information about the users
            ArrayMap<Integer, UserInfo> usersInfo
-                    = mUserHelper.getMultiple(mPostsList.getUsersId());
+                    = mUserHelper.getMultiple(postsList.getUsersId());

            //Check for errors
            if(usersInfo == null)
                return null;

-            //Save new user information
-            mUserInfo = usersInfo;
+            assert postsList.getUsersInfo() != null;
+            postsList.getUsersInfo().putAll(usersInfo);

            return postsList;
        }
@ -273,13 +265,22 @@ public class LatestPostsFragment extends Fragment
            if(getActivity() == null)
                return;

+
            //Unlock post loading
            mLoadPostsLock = false;
            toggleLoadingBarVisibility(false);

+            if(posts == null){
+                Toast.makeText(getActivity(), R.string.err_get_older_posts,
+                        Toast.LENGTH_SHORT).show();
+                return;
+            }
+
+            mPostsList.addAll(posts);
+            assert mPostsList.getUsersInfo() != null;
+            mPostsList.getUsersInfo().putAll(posts.getUsersInfo());
+
            //Apply new posts list
-            mPostsListFragment.setPostsList(mPostsList);
-            mPostsListFragment.setUsersInfos(mUserInfo);
            mPostsListFragment.show();

        }
--- a/app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/PostsListFragment.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/PostsListFragment.java
@ -1,15 +1,14 @@
 package org.communiquons.android.comunic.client.ui.fragments;

 import android.app.AlertDialog;
-import android.support.annotation.NonNull;
-import android.support.v4.app.Fragment;
 import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
 import android.support.v7.widget.DividerItemDecoration;
 import android.support.v7.widget.LinearLayoutManager;
-import android.util.ArrayMap;
 import android.util.Pair;
 import android.view.ContextMenu;
 import android.view.LayoutInflater;
@ -21,17 +20,17 @@ import android.widget.EditText;
 import android.widget.Toast;

 import org.communiquons.android.comunic.client.R;
-import org.communiquons.android.comunic.client.data.utils.AccountUtils;
+import org.communiquons.android.comunic.client.data.arrays.PostsList;
+import org.communiquons.android.comunic.client.data.enums.LikesType;
+import org.communiquons.android.comunic.client.data.helpers.CommentsHelper;
 import org.communiquons.android.comunic.client.data.helpers.DatabaseHelper;
 import org.communiquons.android.comunic.client.data.helpers.GetUsersHelper;
-import org.communiquons.android.comunic.client.data.models.UserInfo;
-import org.communiquons.android.comunic.client.data.models.Comment;
-import org.communiquons.android.comunic.client.data.helpers.CommentsHelper;
 import org.communiquons.android.comunic.client.data.helpers.LikesHelper;
-import org.communiquons.android.comunic.client.data.enums.LikesType;
-import org.communiquons.android.comunic.client.data.models.Post;
 import org.communiquons.android.comunic.client.data.helpers.PostsHelper;
-import org.communiquons.android.comunic.client.data.arrays.PostsList;
+import org.communiquons.android.comunic.client.data.models.Comment;
+import org.communiquons.android.comunic.client.data.models.Post;
+import org.communiquons.android.comunic.client.data.models.UserInfo;
+import org.communiquons.android.comunic.client.data.utils.AccountUtils;
 import org.communiquons.android.comunic.client.data.utils.StringsUtils;
 import org.communiquons.android.comunic.client.ui.adapters.PostsAdapter;
 import org.communiquons.android.comunic.client.ui.listeners.OnPostListFragmentsUpdateListener;
@ -89,11 +88,6 @@ public class PostsListFragment extends Fragment
     */
    PostsList mPostsList;

-    /**
-     * Information about the related users
-     */
-    ArrayMap<Integer, UserInfo> mUsersInfo;
-
    /**
     * Events listener
     */
@ -138,15 +132,6 @@ public class PostsListFragment extends Fragment
        this.mPostsList = list;
    }

-    /**
-     * Set the list of users information
-     *
-     * @param list The list
-     */
-    public void setUsersInfos(ArrayMap<Integer, UserInfo> list){
-        this.mUsersInfo = list;
-    }
-
    @Override
    public void onStart() {
        super.onStart();
@ -189,13 +174,17 @@ public class PostsListFragment extends Fragment
     */
    public void show(){

+        //Check if the view has not been created yet...
+        if(getView() == null)
+            return;
+
        //Check if the list of posts is not null
-        if(mPostsList == null && mUsersInfo == null)
+        if(mPostsList == null)
            return;

        //Create posts adapter (if required)
        if(mPostsAdapter == null) {
-            mPostsAdapter = new PostsAdapter(getActivity(), mPostsList, mUsersInfo, this);
+            mPostsAdapter = new PostsAdapter(getActivity(), mPostsList, this);

            //Connect the adapter to the view
            mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
@ -283,7 +272,7 @@ public class PostsListFragment extends Fragment
                comments.add(userInfoCommentPair.second);

                //Add the user to the list
-                mUsersInfo.put(userInfoCommentPair.first.getId(), userInfoCommentPair.first);
+                mPostsList.getUsersInfo().put(userInfoCommentPair.first.getId(), userInfoCommentPair.first);

                //Update data set
                mPostsAdapter.notifyDataSetChanged();
--- a/app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/SinglePostFragment.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/SinglePostFragment.java
@ -1,11 +1,11 @@
 package org.communiquons.android.comunic.client.ui.fragments;

-import android.support.annotation.NonNull;
-import android.support.v4.app.Fragment;
-import android.support.v4.app.FragmentTransaction;
 import android.os.AsyncTask;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentTransaction;
 import android.util.ArrayMap;
 import android.view.LayoutInflater;
 import android.view.View;
@ -115,6 +115,7 @@ public class SinglePostFragment extends Fragment {
                    mPostsList = new PostsList();
                    mPostsList.add(mPost);
                    mUserInfo = mGetUserHelper.getMultiple(mPostsList.getUsersId());
+                    mPostsList.setUsersInfo(mUserInfo);
                }

                return null;
@ -152,7 +153,6 @@ public class SinglePostFragment extends Fragment {
        //Apply the post fragment
        PostsListFragment postsListFragment = new PostsListFragment();
        postsListFragment.setPostsList(mPostsList);
-        postsListFragment.setUsersInfos(mUserInfo);

        //Create and commit a transaction
        FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
--- a/app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/UserPostsFragment.java
+++ b/app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/UserPostsFragment.java
@ -1,12 +1,12 @@
 package org.communiquons.android.comunic.client.ui.fragments;

+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.support.annotation.UiThread;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentTransaction;
-import android.util.ArrayMap;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@ -17,10 +17,11 @@ import android.widget.Toast;

 import org.communiquons.android.comunic.client.R;
 import org.communiquons.android.comunic.client.data.arrays.PostsList;
+import org.communiquons.android.comunic.client.data.asynctasks.SafeAsyncTask;
 import org.communiquons.android.comunic.client.data.helpers.GetUsersHelper;
 import org.communiquons.android.comunic.client.data.helpers.PostsHelper;
 import org.communiquons.android.comunic.client.data.models.Post;
-import org.communiquons.android.comunic.client.data.models.UserInfo;
+import org.communiquons.android.comunic.client.ui.asynctasks.LoadUserPostsTask;

 /**
 * User posts fragment
@ -51,16 +52,6 @@ public class UserPostsFragment extends Fragment
     */
    private PostsList mPostsList;

-    /**
-     * Information about the related users
-     */
-    private ArrayMap<Integer, UserInfo> mUsersInfo;
-
-    /**
-     * Post loading thread
-     */
-    private Thread mLoadThread;
-
    /**
     * Posts helper
     */
@ -86,6 +77,11 @@ public class UserPostsFragment extends Fragment
     */
    private FrameLayout mCreatePostLayout;

+    /**
+     * Load user posts task
+     */
+    private LoadUserPostsTask mLoadUserPostsTask;
+
    /**
     * Posts list fragment
     */
@ -145,70 +141,80 @@ public class UserPostsFragment extends Fragment
        load_posts();
    }

+    @Override
+    public void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        cancel_load_task();
+    }
+
    /**
     * Load user posts
     */
    private void load_posts(){

-        mLoadThread = new Thread(new Runnable() {
+        cancel_load_task();
+
+        mLoadUserPostsTask = new LoadUserPostsTask(mUserID, getActivity());
+        mLoadUserPostsTask.setOnPostExecuteListener(new SafeAsyncTask.OnPostExecuteListener<PostsList>() {
            @Override
-            public void run() {
-
-                if(mPostsList == null)
+            public void OnPostExecute(PostsList posts) {
+                if(getActivity() == null)
                    return;

-                //Get the list of posts of the user
-                PostsList new_posts = mPostsHelper.get_user(mUserID);
-
-                if(mPostsList == null)
-                    return;
-
-                mPostsList.addAll(new_posts);
-
-                if(mPostsList != null)
-                    mUsersInfo = mUserHelper.getMultiple(mPostsList.getUsersId());
-
-                if(getActivity() != null && getView() != null)
-                    getView().post(new Runnable() {
-                        @Override
-                        public void run() {
-                            display_posts();
-                        }
-                    });
+                apply_posts(posts);
            }
        });
-        mLoadThread.start();
+        mLoadUserPostsTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);

    }

+    private void cancel_load_task(){
+        if(mLoadUserPostsTask != null)
+            mLoadUserPostsTask.setOnPostExecuteListener(null);
+    }
+
    /**
-     * Display the list of posts
+     * Apply the list of posts
     */
    @UiThread
-    private void display_posts(){
+    private void apply_posts(@Nullable PostsList posts){
+
+        if(mPostsList == null)
+            return;

        if(isStateSaved())
            return;

        //Check for errors
-        if(mPostsList == null){
+        if(posts == null){
            Toast.makeText(getActivity(), R.string.err_get_user_posts, Toast.LENGTH_SHORT).show();
            return;
        }

        //Check we didn't get user information
-        if(mUsersInfo == null){
+        if(!posts.hasUsersInfo()){
            Toast.makeText(getActivity(), R.string.err_get_users_info, Toast.LENGTH_SHORT).show();
            return;
        }

-        mPostsListFragment = new PostsListFragment();
-        mPostsListFragment.setPostsList(mPostsList);
-        mPostsListFragment.setUsersInfos(mUsersInfo);
+        //Merge post information with existing one
+        mPostsList.addAll(posts);
+        assert mPostsList.getUsersInfo() != null;
+        mPostsList.getUsersInfo().putAll(posts.getUsersInfo());
+
+        //Create fragment if required
+        if(mPostsListFragment == null){
+            mPostsListFragment = new PostsListFragment();
+
+            FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
+            transaction.replace(R.id.posts_list_target, mPostsListFragment);
+            transaction.commit();
+        }
+
+
+        mPostsListFragment.setPostsList(mPostsList);
+        mPostsListFragment.show();

-        FragmentTransaction transaction = getChildFragmentManager().beginTransaction();
-        transaction.replace(R.id.posts_list_target, mPostsListFragment);
-        transaction.commit();

        setNoPostNoticeVisibility(mPostsList.size() < 1);
    }
--- a/app/src/main/res/values-fr/strings.xml
+++ b/app/src/main/res/values-fr/strings.xml
@ -265,4 +265,5 @@
    <string name="err_invalid_conversation_message_content">Le contenu du message est invalide !</string>
    <string name="err_update_conversation_message_content">Une erreur a survenue lors de la mise à jour du contenu du message ! Veuillez réessayer…</string>
    <string name="success_update_conversation_message_content">Le contenu du message  a bien été mis à jour !</string>
+    <string name="err_get_older_posts">Une erreur a survenue lors de la récupération de posts plus anciens !</string>
 </resources>
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@ -264,4 +264,5 @@
    <string name="err_invalid_conversation_message_content">The content of the conversation message is invalid!</string>
    <string name="err_update_conversation_message_content">Could not update conversation message content!</string>
    <string name="success_update_conversation_message_content">The content of the conversation message has been successfully updated!</string>
+    <string name="err_get_older_posts">Could not get older posts!</string>
 </resources>