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Convert LeaderboardListAdapter to kotlin

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This commit is contained in:
Paul Hawke 2024-11-29 11:08:43 -06:00
parent 41e7da5a34
commit 351942ecd9
5 changed files with 134 additions and 241 deletions
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20
app/src/main/java/fr/free/nrw/commons/profile/leaderboard/LeaderboardConstants.java → app/src/main/java/fr/free/nrw/commons/profile/leaderboard/LeaderboardConstants.kt
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@ -1,45 +1,43 @@
package fr.free.nrw.commons.profile.leaderboard;
package fr.free.nrw.commons.profile.leaderboard
/**
* This class contains the constant variables for leaderboard
*/
public class LeaderboardConstants {
object LeaderboardConstants {
/**
* This is the size of the page i.e. number items to load in a batch when pagination is performed
*/
public static final int PAGE_SIZE = 100;
const val PAGE_SIZE: Int = 100
/**
* This is the starting offset, we set it to 0 to start loading from rank 1
*/
public static final int START_OFFSET = 0;
const val START_OFFSET: Int = 0
/**
* This is the prefix of the user's homepage url, appending the username will give us complete url
*/
public static final String USER_LINK_PREFIX = "https://commons.wikimedia.org/wiki/User:";
const val USER_LINK_PREFIX: String = "https://commons.wikimedia.org/wiki/User:"
/**
* This is the a constant string for the state loading, when the pages are getting loaded we can
* use this constant to identify if we need to show the progress bar or not
*/
public final static String LOADING = "Loading";
const val LOADING: String = "Loading"
/**
* This is the a constant string for the state loaded, when the pages are loaded we can
* use this constant to identify if we need to show the progress bar or not
*/
public final static String LOADED = "Loaded";
const val LOADED: String = "Loaded"
/**
* This API endpoint is to update the leaderboard avatar
*/
public final static String UPDATE_AVATAR_END_POINT = "/update_avatar.py";
const val UPDATE_AVATAR_END_POINT: String = "/update_avatar.py"
/**
* This API endpoint is to get leaderboard data
*/
public final static String LEADERBOARD_END_POINT = "/leaderboard.py";
const val LEADERBOARD_END_POINT: String = "/leaderboard.py"
}

137
app/src/main/java/fr/free/nrw/commons/profile/leaderboard/LeaderboardList.java
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@ -1,137 +0,0 @@
package fr.free.nrw.commons.profile.leaderboard;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.DiffUtil;
import androidx.recyclerview.widget.DiffUtil.ItemCallback;
import com.google.gson.annotations.Expose;
import com.google.gson.annotations.SerializedName;
/**
* This class represents the leaderboard API response sub part of i.e. leaderboard list
* The leaderboard list will contain the ranking of the users from 1 to n,
* avatars, username and count in the selected category.
*/
public class LeaderboardList {
/**
* Username of the user
* Example value - Syced
*/
@SerializedName("username")
@Expose
private String username;
/**
* Count in the category
* Example value - 10
*/
@SerializedName("category_count")
@Expose
private Integer categoryCount;
/**
* URL of the avatar of user
* Example value = https://upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Gnome-stock_person.svg/200px-Gnome-stock_person.svg.png
*/
@SerializedName("avatar")
@Expose
private String avatar;
/**
* Rank of the user
* Example value - 1
*/
@SerializedName("rank")
@Expose
private Integer rank;
/**
* @return the username of the user in the leaderboard list
*/
public String getUsername() {
return username;
}
/**
* Sets the username of the user in the leaderboard list
*/
public void setUsername(String username) {
this.username = username;
}
/**
* @return the category count of the user in the leaderboard list
*/
public Integer getCategoryCount() {
return categoryCount;
}
/**
* Sets the category count of the user in the leaderboard list
*/
public void setCategoryCount(Integer categoryCount) {
this.categoryCount = categoryCount;
}
/**
* @return the avatar of the user in the leaderboard list
*/
public String getAvatar() {
return avatar;
}
/**
* Sets the avatar of the user in the leaderboard list
*/
public void setAvatar(String avatar) {
this.avatar = avatar;
}
/**
* @return the rank of the user in the leaderboard list
*/
public Integer getRank() {
return rank;
}
/**
* Sets the rank of the user in the leaderboard list
*/
public void setRank(Integer rank) {
this.rank = rank;
}
/**
* This method checks for the diff in the callbacks for paged lists
*/
public static DiffUtil.ItemCallback<LeaderboardList> DIFF_CALLBACK =
new ItemCallback<LeaderboardList>() {
@Override
public boolean areItemsTheSame(@NonNull LeaderboardList oldItem,
@NonNull LeaderboardList newItem) {
return newItem == oldItem;
}
@Override
public boolean areContentsTheSame(@NonNull LeaderboardList oldItem,
@NonNull LeaderboardList newItem) {
return newItem.getRank().equals(oldItem.getRank());
}
};
/**
* Returns true if two objects are equal, false otherwise
* @param obj
* @return
*/
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
LeaderboardList leaderboardList = (LeaderboardList) obj;
return leaderboardList.getRank().equals(this.getRank());
}
}

61
app/src/main/java/fr/free/nrw/commons/profile/leaderboard/LeaderboardList.kt Normal file
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@ -0,0 +1,61 @@
package fr.free.nrw.commons.profile.leaderboard
import androidx.recyclerview.widget.DiffUtil
import com.google.gson.annotations.SerializedName
/**
* This class represents the leaderboard API response sub part of i.e. leaderboard list
* The leaderboard list will contain the ranking of the users from 1 to n,
* avatars, username and count in the selected category.
*/
data class LeaderboardList (
@SerializedName("username")
var username: String? = null,
@SerializedName("category_count")
var categoryCount: Int? = null,
@SerializedName("avatar")
var avatar: String? = null,
@SerializedName("rank")
var rank: Int? = null
) {
/**
* Returns true if two objects are equal, false otherwise
* @param other
* @return
*/
override fun equals(other: Any?): Boolean {
if (other === this) {
return true
}
val leaderboardList = other as LeaderboardList
return leaderboardList.rank == rank
}
override fun hashCode(): Int {
var result = username?.hashCode() ?: 0
result = 31 * result + (categoryCount ?: 0)
result = 31 * result + (avatar?.hashCode() ?: 0)
result = 31 * result + (rank ?: 0)
return result
}
companion object {
/**
* This method checks for the diff in the callbacks for paged lists
*/
var DIFF_CALLBACK: DiffUtil.ItemCallback<LeaderboardList> =
object : DiffUtil.ItemCallback<LeaderboardList>() {
override fun areItemsTheSame(
oldItem: LeaderboardList,
newItem: LeaderboardList
): Boolean = newItem === oldItem
override fun areContentsTheSame(
oldItem: LeaderboardList,
newItem: LeaderboardList
): Boolean = newItem.rank == oldItem.rank
}
}
}

93
app/src/main/java/fr/free/nrw/commons/profile/leaderboard/LeaderboardListAdapter.java
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@ -1,93 +0,0 @@
package fr.free.nrw.commons.profile.leaderboard;
import android.app.Activity;
import android.content.Context;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.paging.PagedListAdapter;
import androidx.recyclerview.widget.RecyclerView;
import com.facebook.drawee.view.SimpleDraweeView;
import fr.free.nrw.commons.R;
import fr.free.nrw.commons.profile.ProfileActivity;
/**
* This class extends RecyclerView.Adapter and creates the List section of the leaderboard
*/
public class LeaderboardListAdapter extends PagedListAdapter<LeaderboardList, LeaderboardListAdapter.ListViewHolder> {
public LeaderboardListAdapter() {
super(LeaderboardList.DIFF_CALLBACK);
}
public class ListViewHolder extends RecyclerView.ViewHolder {
TextView rank;
SimpleDraweeView avatar;
TextView username;
TextView count;
public ListViewHolder(View itemView) {
super(itemView);
this.rank = itemView.findViewById(R.id.user_rank);
this.avatar = itemView.findViewById(R.id.user_avatar);
this.username = itemView.findViewById(R.id.user_name);
this.count = itemView.findViewById(R.id.user_count);
}
/**
* This method will return the Context
* @return Context
*/
public Context getContext() {
return itemView.getContext();
}
}
/**
* Overrides the onCreateViewHolder and inflates the recyclerview list item layout
* @param parent
* @param viewType
* @return
*/
@NonNull
@Override
public LeaderboardListAdapter.ListViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext())
.inflate(R.layout.leaderboard_list_element, parent, false);
return new ListViewHolder(view);
}
/**
* Overrides the onBindViewHolder Set the view at the specific position with the specific value
* @param holder
* @param position
*/
@Override
public void onBindViewHolder(@NonNull LeaderboardListAdapter.ListViewHolder holder, int position) {
TextView rank = holder.rank;
SimpleDraweeView avatar = holder.avatar;
TextView username = holder.username;
TextView count = holder.count;
rank.setText(getItem(position).getRank().toString());
avatar.setImageURI(Uri.parse(getItem(position).getAvatar()));
username.setText(getItem(position).getUsername());
count.setText(getItem(position).getCategoryCount().toString());
/*
Now that we have our in app profile-section, lets take the user there
*/
holder.itemView.setOnClickListener(view -> {
if (view.getContext() instanceof ProfileActivity) {
((Activity) (view.getContext())).finish();
}
ProfileActivity.startYourself(view.getContext(), getItem(position).getUsername(), true);
});
}
}

64
app/src/main/java/fr/free/nrw/commons/profile/leaderboard/LeaderboardListAdapter.kt Normal file
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@ -0,0 +1,64 @@
package fr.free.nrw.commons.profile.leaderboard
import android.app.Activity
import android.net.Uri
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.TextView
import androidx.paging.PagedListAdapter
import androidx.recyclerview.widget.RecyclerView
import com.facebook.drawee.view.SimpleDraweeView
import fr.free.nrw.commons.R
import fr.free.nrw.commons.profile.ProfileActivity
import fr.free.nrw.commons.profile.leaderboard.LeaderboardList.Companion.DIFF_CALLBACK
import fr.free.nrw.commons.profile.leaderboard.LeaderboardListAdapter.ListViewHolder
/**
* This class extends RecyclerView.Adapter and creates the List section of the leaderboard
*/
class LeaderboardListAdapter : PagedListAdapter<LeaderboardList, ListViewHolder>(DIFF_CALLBACK) {
inner class ListViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
var rank: TextView = itemView.findViewById(R.id.user_rank)
var avatar: SimpleDraweeView = itemView.findViewById(R.id.user_avatar)
var username: TextView = itemView.findViewById(R.id.user_name)
var count: TextView = itemView.findViewById(R.id.user_count)
}
/**
* Overrides the onCreateViewHolder and inflates the recyclerview list item layout
* @param parent
* @param viewType
* @return
*/
override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ListViewHolder =
ListViewHolder(
LayoutInflater.from(parent.context)
.inflate(R.layout.leaderboard_list_element, parent, false)
)
/**
* Overrides the onBindViewHolder Set the view at the specific position with the specific value
* @param holder
* @param position
*/
override fun onBindViewHolder(holder: ListViewHolder, position: Int) = with (holder) {
val item = getItem(position)!!
rank.text = item.rank.toString()
avatar.setImageURI(Uri.parse(item.avatar))
username.text = item.username
count.text = item.categoryCount.toString()
/*
Now that we have our in app profile-section, lets take the user there
*/
itemView.setOnClickListener { view: View ->
if (view.context is ProfileActivity) {
((view.context) as Activity).finish()
}
ProfileActivity.startYourself(view.context, item.username, true)
}
}
}