Leaderboard

Introduction¶

Descending sort scores, using firebase-firestore.

Author: Rex

Usage¶

Install plugin¶

Load minify file¶

<body>
    <!-- Insert these scripts at the bottom of the HTML, but before you use any Firebase services -->
    <!-- Firebase App (the core Firebase SDK) is always required and must be listed first -->
    <script src="/__/firebase/7.7.0/firebase-app.js"></script>
    <!-- Add Firebase products that you want to use -->
    <script src="/__/firebase/7.7.0/firebase-firestore.js"></script>
</body>

Load plugin (minify file) in preload stage

scene.load.plugin('rexfirebaseplugin', 'https://raw.githubusercontent.com/rexrainbow/phaser3-rex-notes/master/dist/rexfirebaseplugin.min.js', true);

Initialize firebase application.

firebase.initializeApp({
   apiKey: '...',
   authDomain: '...',
   databaseURL: '...',
   projectId: '...',
   storageBucket: '...',
   messagingSenderId: '...'
})

Add leader-board object

var leaderBoard = scene.plugins.get('rexfirebaseplugin').add.leaderBoard(config);

Import plugin¶

Install rex plugins from npm
```
npm i phaser3-rex-plugins
```

Add Firebase SDKs

<body>
    <!-- Insert these scripts at the bottom of the HTML, but before you use any Firebase services -->
    <!-- Firebase App (the core Firebase SDK) is always required and must be listed first -->
    <script src="/__/firebase/7.7.0/firebase-app.js"></script>
    <!-- Add Firebase products that you want to use -->
    <script src="/__/firebase/7.7.0/firebase-firestore.js"></script>
</body>

Install plugin in configuration of game

import FirebasePlugin from 'phaser3-rex-plugins/plugins/firebase-plugin.js';
var config = {
    // ...
    plugins: {
        global: [{
            key: 'rexFirebase',
            plugin: FirebasePlugin,
            start: true
        }]
    }
    // ...
};
var game = new Phaser.Game(config);

Initialize firebase application.

firebase.initializeApp({
   apiKey: '...',
   authDomain: '...',
   databaseURL: '...',
   projectId: '...',
   storageBucket: '...',
   messagingSenderId: '...'
})

Add leader-board object

var leaderBoard = scene.plugins.get('rexFirebase').add.leaderBoard(config);

Import class¶

Install rex plugins from npm
```
npm i phaser3-rex-plugins
```

Add Firebase SDKs

<body>
    <!-- Insert these scripts at the bottom of the HTML, but before you use any Firebase services -->
    <!-- Firebase App (the core Firebase SDK) is always required and must be listed first -->
    <script src="/__/firebase/7.7.0/firebase-app.js"></script>
    <!-- Add Firebase products that you want to use -->
    <script src="/__/firebase/7.7.0/firebase-database.js"></script>
</body>

Initialize firebase application.

firebase.initializeApp({
   apiKey: '...',
   authDomain: '...',
   databaseURL: '...',
   projectId: '...',
   storageBucket: '...',
   messagingSenderId: '...'
})

Import class

import { LeaderBoard } from 'phaser3-rex-plugins/plugins/firebase-components.js';

Add leader-board object

var leaderBoard = new LeaderBoard(config);

Create instance¶

var leaderBoard = scene.plugins.get('rexFirebase').add.leaderBoard({
    root: '',
    // timeFilters: false,
    // timeFilterType: 'year',
    // pageItemCount: 100,
    // userID: '',
    // userName: '',
    // boardID: undefined,
    // tag: undefined
});

root : Collection name of this leaderboard.
timeFilters : Time filter of day/week/month/year.
- false : Don't use any time filter.
- true : Enable all time filters.
- JSON object, enable some time filters.
```
{
    day: true,
    week: true,
    month: true,
    year: true,
    all: true
}
```
timeFilterType : Type of time filter.
- 'day', or 'd' : Filter scores by current day.
- 'week', or 'w' : Filter scores by current week.
- 'month', 'm' : Filter scores by current month.
- 'year', 'y' : Filter scores by current year. Default value.
- 'all', 'a' : No time filter to track all scores.
pageItemCount : Item count of a page, default value is 100
userID : ID of user.
userName : Name of user.
boardID : Board ID, optional.
tag : Custom tag, optional.

Time filter enabled

Add indexes if time filter is enabled.
- tagD(ascending), scoreD(descending), boardID(ascending), tag(ascending)
- tagW(ascending), scoreW(descending), boardID(ascending), tag(ascending)
- tagM(ascending), scoreM(descending), boardID(ascending), tag(ascending)
- tagY(ascending), scoreY(descending), boardID(ascending), tag(ascending)
- tagA(ascending), scoreA(descending), boardID(ascending), tag(ascending)

Post score¶

Set user.

leaderBoard.setUser(userID, userName);

or

leaderBoard.setUser({
    userID: userID,
    userName: userName
});

userID : User ID.
userName : Display name of user, optional.

Set board property, optional.

Board ID
```
leaderBoard.setBoardID(boardID);
```
Custom tag
```
leaderBoard.setTag(tag);
```

Post score

leaderBoard.post(score)
// leaderBoard.post(score, extraData)
// leaderBoard.post(score, extraData, timestamp)
    .then(function(record) { })
    .catch(function(error) { })

score : A number, scores will be sorted descend.
extraData : Extra data in JSON format.
timestamp : Timestamp of posting.
- undefined : Current time.
- A number : For debug usage.

Get my score¶

leaderBoard.getScore()
// leaderBoard.getScore(userID)
    .then(function(score) { })
    .catch(function(error) { })

userID : User ID, optional.
- undefined : Current user ID.
score : Score object.
- Time filter enabled : {userID, scoreD, scoreW, scoreM, scoreY, tagD, tagW, tagM, tagY, tagA}
  - scoreD, scoreW, scoreM, scoreY, scoreA : Score of day/week/month/year/all-time.
  - tagD, tagW, tagM, tagY, tagA : Time tag of day/week/month/year/all-time.
- Time filter disabled : {userID, score}

Get my rank¶

leaderBoard.getRank()
// leaderBoard.getRank(userID)
    .then(function(rank) { })
    .catch(function(error) { })

userID : User ID, optional.
- undefined : Current user ID.
rank : Rank object. {userID, rank}

Get scores¶

Set board property, optional.

Board ID
```
leaderBoard.setBoardID(boardID);
```
Custom tag
```
leaderBoard.setTag(tag);
```

Set time filter, optional.
```
leaderBoard.setTimeFilterType(type);
```
- type :
  - 'day', or 'd' : Filter scores by current day.
  - 'week', or 'w' : Filter scores by current week.
  - 'month', 'm' : Filter scores by current month.
  - 'year', 'y' : Filter scores by current year.
  - 'all', 'a' : No time filter to track all scores.

Load scores page by page.

Load first page.

leaderBoard.loadFirstPage()
    .then(function(scores) { })
    .catch(function(error) { })

scores : An array of score object. Each score object is {userID, userName, socre}

Load next page.

leaderBoard.loadNextPage()
    .then(function(scores) { })
    .catch(function(error) { })

scores : An array of score object. Each score object is {userID, userName, socre}

Load previous page.

leaderBoard.loadPreviousPage()
    .then(function(scores) { })
    .catch(function(error) { })

scores : An array of score object. Each score object is {userID, userName, socre}

Reload current page.

leaderBoard.loadCurrentPage()
    .then(function(scores) { })
    .catch(function(error) { })

scores : An array of score object. Each score object is {userID, userName, socre}

Page index¶

Current page index
```
var pageIndex = leaderBoard.pageIndex;
```

Is first page

var isFirstPage = leaderBoard.isFirstPage;

Is last page

var isLastPage = leaderBoard.isLastPage;

Delete¶

Delete user

leaderBoard.deleteUserScore(userID)
    .then(function(){ })
    .catch(function(){ })

Delete board

leaderBoard.deleteBoard(boardID, tag)
    .then(function(){ })
    .catch(function(){ })