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In our daily life, we are going through lots of packages, and some of us don't know how to build our own package into Laravel.

We are going to perform the core steps to create your own package in laravel. In this tutorial we are going to build zoom package, so we will perform steps related to it.

Setup Fresh Laravel Repo 

Setup fresh laravel repo, and then create directories within it. 

for e.g Create infyomlabs/zoom-api directory into root.


Now create src directory into zoom-api

Run Composer init Into src Directory

After hitting composer init it will ask some information from you, as you can see in below image I have entered some of information. you can just hit enter if you do not want to add other information.


Add your config file (Optional)

Create directory config into src directory and add your config.php file there from where you can manage your env variables. 


Add Service Provider

Create your service provider from where you can do lots of actions. like you can publish config/routes/ migrations files from there. here we are publishing the zoom config file. 


Add your class (Which contains all functions) 

Here we have added a Zoom class which will be contained all zoom functions. 

Update Composer.json 


Finally, Test it in your existing project

Put the following code to your main composer.json (in your project's root). and hit composer update

  "repositories": [
        {
            "type": "path",
            "url": "infyomlabs/zoom-api",
            "options": {
                "symlink": true
            }
        }
    ],
    "license": "MIT",
    "require": {
        "infyomlabs/zoom-api": "dev-develop"
    },


January 23, 20211 minuteuserVishal Ribdiya

Posts

post

Firebase Cloud Messaging (FCM) is a cross-platform messaging solution that lets you deliver messages for free.

It allows you to send push notifications from the Firebase console or from the application server or some trusted server where logic runs.

Step 1:- Create a new Android Studio Project

First, create a new Android Studio project and add the dependencies. First set up Firebase in your project. You can find a good tutorial.

Add Firebase messaging dependency to your app-level.

build.Gradle
dependencies {
  implementation 'com.google.firebase:firebase-messaging:19.0.1'
}

Step 2: Create a Firebase Service

The next step is to create Firebase Services:- MyFirebaseInstanceIDService and MyFirebaseMessagingService. first MyFirebaseInstanceIDService service will handle the device registration process and the second MyFirebaseInstanceIDService will handle the reception and display of notifications. The services have no visual interface and are used for operations that run in the background. To create a service, right-click and select the Applications folder New -> Service -> Service.

setting

Type in your service name, and click the Finish button. Repeat the same steps for the second service.

setting

AndroidManifest.xml file and update your service declarations under the application tag. Also, add INTERNET and CLOUD TO DEVICE MESSAGING permissions so your app can interact with the FCM server.

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
  package="com.exmple.notify">

  <uses-permission android:name="android.permission.INTERNET" />
  <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />

  <application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity android:name=".MainActivity">
      <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
      </intent-filter>
    </activity>

    <service android:name=".MyFirebaseInstanceIDService">
      <intent-filter>
        <action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
      </intent-filter>
    </service>

    <service
      android:name=".MyFirebaseMessagingService"
      android:permission="com.google.android.c2dm.permission.SEND">
      <intent-filter>
        <action android:name="com.google.firebase.MESSAGING_EVENT" />
        <action android:name="com.google.android.c2dm.intent.RECEIVE" />
      </intent-filter>
    </service>
  </application>
</manifest>

To handle the device registration process, MyFirebaseInstanceIDService must increase the FireBaseInstenside service class. Under this service, override the tokenrefresh() method so that whenever the system decides to refresh the tokens, it will be requested. This usually happens when the user installs/reinstalls the application or when the user clears the application data.

Since you are sending notifications between devices, each user must subscribe to an issue with a different user_id. This ensures that users receive notifications sent to topics that match their user_id. Here is the implementation of MyFirebaseInstanceIDSericiclass.

public class MyFirebaseMessagingService extends FirebaseMessagingService {

  private final String ADMIN_CHANNEL_ID = "admin_channel";

  @Override
  public void onMessageReceived(RemoteMessage remoteMessage) {
    final Intent intent = new Intent(this, MainActivity.class);
    NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    int notificationID = new Random().nextInt(3000);
   /*
    Apps targeting SDK 26 or above (Android O) must
    implement notification channels and add their notifications to at least one of them. Therefore, confirm if the version is Oreo or higher, then setup notification channel
   */
    if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
      setupChannels(notificationManager);
    }

    intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
    PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, PendingIntent.FLAG_ONE_SHOT);
    Bitmap largeIcon = BitmapFactory.decodeResource(getResources(), R.drawable.notify_icon);
    Uri notificationSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIF CATION);

    NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, ADMIN_CHANNEL_ID)
        .setSmallIcon(R.drawable.notify_icon)
        .setLargeIcon(largeIcon)
        .setContentTitle(remoteMessage.getData().get("title"))
        .setContentText(remoteMessage.getData().get("message"))
        .setAutoCancel(true)
        .setSound(notificationSoundUri)
        .setContentIntent(pendingIntent);

    // Set notification color to match your app color template
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      notificationBuilder.setColor(getResources().getColor(R.color.colorPrimaryDark));
    }
    notificationManager.notify(notificationID, notificationBuilder.build());
  }

  @RequiresApi(api = Build.VERSION_CODES.O)
  private void setupChannels(NotificationManager notificationManager) {
    CharSequence adminChannelName = "New notification";
    String adminChannelDescription = "Device to device notification ";

    NotificationChannel adminChannel;
    adminChannel = new NotificationChannel(ADMIN_CHANNEL_ID, adminChannelName, NotificationManager.IMPORTANCE_HIGH);
    adminChannel.setDescription(adminChannelDescription);
    adminChannel.enableLights(true);
    adminChannel.setLightColor(Color.RED);
    adminChannel.enableVibration(true);

    if (notificationManager != null) {
      notificationManager.createNotificationChannel(adminChannel);
    }
  }
}

Step 4: Implement the notification sending logic

This is the most important part of the whole article. This is where you define the content of the instruction and how it will be modeled. However, before you dive into coding, follow these steps to get your server key from the Firebase console.

console

Navigate to the Cloud Messaging tab, and copy your Server key

console

Implement the Sending Logic: An FCM server with the following request properties only needs an HTTP post request to send a push notification:

Method Type: POST

URL: https://fcm.googleapis.com/fcm/send

Headers:

Authorization: key="Firebase server key" Content-Type: application/json

Body:

{
 "to": "/topics/notification_userId",
 "data": {
  "title": "Notification title",
  "message": "Notification message",
  "key1" : "value1",
  "key2" : "value2" //additional data you want to pass
 }
}

With these concepts in mind, you will first create a JsonObject of Notification body within your activity class. This object budget will contain the subject of the receiver, the title of the notification, the notification message, and the other key/value pair you want to add.

public class MainActivity extends AppCompatActivity {
  EditText edtTitle;
  EditText edtMessage;
  final private String FCM_API = "https://fcm.googleapis.com/fcm/send";
  final private String serverKey = "key=" + "Your Firebase server key";
  final private String contentType = "application/json";
  final String TAG = "NOTIFICATION TAG";

  String NOTIFICATION_TITLE;
  String NOTIFICATION_MESSAGE;
  String TOPIC;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    edtTitle = findViewById(R.id.edtTitle);
    edtMessage = findViewById(R.id.edtMessage);
    Button btnSend = findViewById(R.id.btnSend);

    btnSend.setOnClickListener(new View.OnClickListener() {
      @Override
      public void onClick(View v) {
        TOPIC = "/topics/userABC"; //topic must match with what the receiver subscribed to
        NOTIFICATION_TITLE = edtTitle.getText().toString();
        NOTIFICATION_MESSAGE = edtMessage.getText().toString();

        JSONObject notification = new JSONObject();
        JSONObject notifcationBody = new JSONObject();
        try {
          notifcationBody.put("title", NOTIFICATION_TITLE);
          notifcationBody.put("message", NOTIFICATION_MESSAGE);
          notification.put("to", TOPIC);
          notification.put("data", notifcationBody);
        } catch (JSONException e) {
          Log.e(TAG, "onCreate: " + e.getMessage() );
        }
        sendNotification(notification);
      }
    });
  }
  private void sendNotification(JSONObject notification) {
 ...
  }
}

The next step is to request the network server using the library volley, then use the parameters to the root server will request notification on the target device.

public class MainActivity extends AppCompatActivity {

  ....

  private void sendNotification(JSONObject notification) {
    JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(FCM_API, notification,
            new Response.Listener<JSONObject>() {
              @Override
              public void onResponse(JSONObject response)
              {
                Log.i(TAG, "onResponse: " + response.toString());
                edtTitle.setText("");
                edtMessage.setText("");
              }
            },
            new Response.ErrorListener() {
              @Override
              public void onErrorResponse(VolleyError error) {
                Toast.makeText(MainActivity.this, "Request error", Toast.LENGTH_LONG).show();
                Log.i(TAG, "onErrorResponse: Didn't work");
              }
            }){
          @Override
          public Map<String, String> getHeaders() throws AuthFailureError {
            Map<String, String> params = new HashMap<>();
            params.put("Authorization", serverKey);
            params.put("Content-Type", contentType);
            return params;
          }
        };
    MySingleton.getInstance(getApplicationContext()).addToRequestQueue(jsonObjectRequest);
  }
}

Finally, add a MySingleton class that will serve as a request queue for instruction requests.

public class MySingleton {
  private static MySingleton instance;
  private RequestQueue requestQueue;
  private Context ctx;

  private MySingleton(Context context) {
    ctx = context;
    requestQueue = getRequestQueue();
  }
  public static synchronized MySingleton getInstance(Context context) {
    if (instance == null) {
      instance = new MySingleton(context);
    }
    return instance;
  }
  public RequestQueue getRequestQueue() {
    if (requestQueue == null) {
      // getApplicationContext() is key, it keeps you from leaking the
      // Activity or BroadcastReceiver if someone passes one in.
      requestQueue = Volley.newRequestQueue(ctx.getApplicationContext());
    }
    return requestQueue;
  }
  public <T> void addToRequestQueue(Request<T> req) {
    getRequestQueue().add(req);
  }
}

With it, you're done creating your app. You can start sending push notifications between devices without typing any server-side code. Always make sure that the notification will not be delivered to you if the subject of the recipient is correct. If you do everything right, you will get the same result.

result

November 19, 20205 MinutesauthorVivek Beladiya
post
However, advanced automation testing may get, we can't live without manual testing. Because not everything can be and should be, tested with code. There is a certain level of human interference required.

Here's how to be great at manual testing:

Understand the product which you are going to test

  • Before you begin testing any app/website, you should know the concepts of the product, what problems does the product solves and how are users going to use it.
  • Here the steps to rectify the concept of product 
    • Identifying customer needs.
    • Defining the problem and objectives.
    • Drafting and analysis.
    • Ask for detailed design and drawings.
    • Testing.
    • Final successful delivery.
Have a clear understanding of requirements

  • ‘’First how we know to understand the requirements here the steps mention below’’
  • There are mainly two types of requirements: 1. Functional 2. Non-functional
  • What are Functional Requirements?
  • Functional requirements define the basic system behavior. Essentially, they are what the system does or must not do, and can be thought of in terms of how the system responds to inputs. Functional requirements usually define if/then behaviors and include calculations, data input, and business processes.
  • What are the Non-Functional Requirements?
  • While functional requirements define what the system does or must not do,
  • non-functional requirements specify how the system should do it. Non-functional requirements do not affect the basic functionality of the system Even if the non-functional requirements are not met.
  • the system will still perform its basic purpose.
Changelog and Impacting Area

Ask the developer of changelog detailing & made the product changes which are listing the impact areas

  • This will help to customize or change the task from the bug
  • This will give ease to know the bug
  • It will give a glance at the task and the flow in which it is working
  • This will help you prioritize where to look for potential bugs
Test Scenario and Cases

Write down test scenario/cases in Excel for easy reference

  • Understand the Learners: To write concrete and effective scenarios you must understand your learners and know their needs and expectations.
  • Create Real Life and Relevant Situations: Make your scenarios as real as possible.
  • Motivate the Learner: A well-written scenario should motivate the learner to action.
  • ‘’How to write the test cases’’ 
    • Title Must be strong
    • Include a Strong Description with Assumptions & Preconditions
    • Keep the Test Steps Clear and Concise
    • The result must be Expected
    • Also, Make is Reusable
Critical Flows

Check the product critical flows & code impacted flows twice

  • This will ensure, that in case something goes wrong in production, it would be any business-critical flows
  • Reason to do: for uncertain changes of code, some regression will occur in code, if we didn't check & deployed in the server.to rid the problem in the product needs to check the critical flow twice.
Don't test along with the developer

  • If you test with the developer, you may miss out on edge cases due to the developer's bias or perspective. So make sure you test the app/website once while the developer is not with you.
If in doubt, ask the Developer or Product Lead

  • It always helps to communicate any doubt that you have
  • As the perspective varies and as well as a method so in case of any doubt ask the developer and correct it.
  • Also communicate with the product lead in case of doubt so the better output can be generated of the task with minimal bugs and well-defined task
November 13, 20203 minutesauthorBhumi Khimani
post
[Livewire](https://laravel-livewire.com/docs/2.x/quickstart) is a very awesome thing that I have ever seen, the old school developers are still using the jquery and ajax concept to not refresh the page. But forget the jquery and ajax stuff. If you are good at PHP then you can do the same with Laravel Livewire. ### Wait what? ## Load dynamic data on the page without using ajax? Yes, it is possible with Laravel Livewire. So that is all about laravel livewire, and in this tutorial, we will see how to build laravel pagination with laravel livewire. Let's start and I hope you already have set up the livewire. Let's say you already have created a component named `UsersListing` Now in the users listing, we want to paginate all users and we will list 10 records per page. ## How to use pagination with Laravel Livewire Livewire provides a trait called `WithPagination` and you have to add it into your component `UsersListing`. Check out the following code: ``` use Livewire\WithPagination; use Livewire\Component; class UsersListing extends Component { use WithPagination; public function render() { return view('livewire.users.index', [ 'users' => User::paginate(10), ]); } } ``` And to load pagination you have to add following code: ``` 
 @foreach ($users as $user) ... @endforeach {{ $users->links() }} ``` That's it, and your laravel pagination now works like charm without page refresh. There is much more about pagination like how to use it with a custom view, how to use it with a custom theme. We will see it in our next tutorial, until then enjoy the code
November 13, 20201 minuteauthorVishal Ribdiya
post
The OneSingnal is the market leader in push notification providers. It provides the mobile + web push, email & in-app messages and easy way to send notifications. OneSignal provides an officially core PHP APIs but not Laravel package. We are using OneSignal in many projects and write a bunch of line code in all projects where we needed OneSingnal.

One day I had an Idea in my mind why I should not write a Laravel wrapper for OneSignal?. Finally, I wrote the shailesh-ladumor/one-signal Laravel Wrapper for it. Using this package, we can write neat & clean code and just a few lines of code.

OneSignal add this package in his docs here..

This package also works with the previous Laravel version.

Today we are going to see how we can use Laravel OneSignal Wrapper in Laravel. Let's see step by step, how we can do that.

Install Packages

Install shailesh-ladumor/one-signal by the following command,

composer require ladumor/one-signal
Publish the config file

Run the following command to publish config file,

php artisan vendor:publish --provider="Ladumor\OneSignal\OneSignalServiceProvider"
Add Provider

Add the provider to your config/app.php into provider section if using lower version of Laravel,

Ladumor\OneSignal\OneSignalServiceProvider::class,
Add Facade

Add the Facade to your config/app.php into aliases section,

'OneSignal' => \Ladumor\OneSignal\OneSignal::class,
configure a .env file with following keys

ONE_SIGNAL_APP_ID=XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX
ONE_SIGNAL_AUTHORIZE=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
X
ONE_SIGNAL_AUTH_KEY=XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
ONE_SIGNAL_AUTH_KEY is optional if you do not want to create an app. I hope you are familiar with the OneSignal Platform and know how to get APP_ID and AUTHORIZE. If not, you should see the below image for how to get it.

So, we are done. let's check how to send push notifications.

Checkout this code to send a push notification.

use Ladumor\OneSignal\OneSignal;
$fields['include_player_ids'] = ['xxxxxxxx-xxxx-xxx-xxxx-yyyyy']
$message = 'hey!! This is a test push.!'
OneSignal::sendPush($fields, $message);
Video tutorial also available here

November 12, 20202 minutesauthorShailesh Ladumor
post
We are going to change the background of the photo with another texture. 

Step:1 Create a new artboard


Press Ctrl+N for creating a new artboard and set its dimension as per requirement. For example, here we took 4951 x 3301 px.

Step:2 Set Image In artboard


Drag image from its location to the artboard.

Step:3 Select cropping portion of the image


For the selection of an image, select the quick selection tool from the toolbar, and select a portion of the image which you want to crop.


Step:4 Select Refine edge


After perfect selection, select a refine edge tool.

After this select overlay from view mode then from edge detection, select a smart radius.

Then set these properties:

  1. Set radius 1 to 2 px
  2. Increase smooth 6 to 7 px from global refinements
  3. Set contrast 20% in global refinements
  4. Check to decontaminate colors in output settings and set amount 70%
  5. Set new layer with a layer mask in output dropdown
Press OK.

Now our image will look like below:

Step 5: set new background

Select a new background that you want to set in the image from its location and set the artboard.

Now place our cropped image above this background and adjust as per requirement.

November 11, 20201 minuteauthorKishan Savaliya
post

Recently, the Laravel team announced a Laravel Fortify. A framework agnostic authentication backend for laravel applications. It provides registration, authentication along with two-factor authentication.

As said above, it is a framework agnostic, so it doesn't provide any blade views with it. You can implement views of your choice of the frontend. Blade, Vue, React with Bootstrap or TailwindCSS, or any other CSS framework.

Today we are going to see how we can use Laravel Fortify with one of the most popular Bootstrap 4 theme AdminLTE v3.

We can actually do that in minutes with the package that we already developed called Laravel UI AdminLTE.

This package also works with the previous laravel version to have an authentication system with Laravel UI for Laravel Frontend Scaffolding.

Let's see step by step, how we can do that.

Install Packages

Install Laravel Fortify and Laravel UI AdminLTE by the following command,

composer require laravel/fortify infyomlabs/laravel-ui-adminlte

Publish Fortify Resources

This command will publish all required actions in the app/Actions directory along with the Fortify configuration file and migration for two-factor authentication.

php artisan vendor:publish --provider="Laravel\Fortify\FortifyServiceProvider"

Run Migrations

Then run migrations,

php artisan migrate

Add Fortify Service Provider

Next step, add published FortifyServiceProvider to config/app.php

Run AdminLTE Fortify Command

Run the following command,

php artisan ui adminlte-fortify --auth

Install Node Modules and Run a Build

As a next step, install required npm modules and run a build,

npm install && npm run dev

And we are done. Now visit the home page and you should be able to see the full authentication system working including,

  • Login
  • Registration
  • Forgot Password
  • Reset Password
  • Home page

Laravel AdminLTE UI also provides a starting layout with a sidebar menu and header once you do login. so you are all set to go.

November 11, 20202 minutesauthorMitul Golakiya
post

Recently in one of our client's project, we want to load the count of relation in laravel. But we do not want to retrieve original records.

For example,

We have the following Models,

  1. Category
  2. Products
  3. Orders

For that, we have categories, products, orders, order_items table. Where in the order_items table, we got the following fields

  • order_id
  • product_id
  • quantity

So the requirement was, In the Products table, we want to display the total number of orders placed with that item regardless of the quantity in each order. All we need is a number of orders where the product is purchased.

1st way: Query via Relationship

$products = Product::all();
$productsArr = $products->map(function (Product $product) {
    $productObj = $product->toArray();
    $productObj['orders_count'] = $product->orders()->count();
    return $productObj;
});

But the problem with this approach was, we are firing queries to the database for every single product. so if I'm retrieving 100 Products from the database then it will fire 100 additional queries to the database. Imagine if we have thousands of products.

2nd way: Eager Load Relationship and Calculate Count

$products = Product::with('orders')->get();
$productsArr = $products->map(function (Product $product) {
    $productObj = $product->toArray();
    $productObj['orders_count'] = $product->orders->count();
    return $productObj;
});

so this way, we are only firing two queries to the database. But the problem here is, we are loading all the Orders of each product which we don't need at all. so it will consume lots of memory since we are loading lots of orders. so imaging if we retrieve 100 products, and each product has 10 orders, then we are loading 1000 Orders into memory without any need.

3rd way: Use withCount function

The third powerful approach of using withCount function in Laravel. so we refactored our code like,

$products = Product::withCount('orders')->get();
$productsArr = $products->map(function (Product $product) {
    $productObj = $product->toArray();
    $productObj['orders_count'] = $product->getAttribute('orders_count');
    return $productObj;
});

In this approach, we are firing two queries but no Order models are loaded into memory.

4th Bonus: Using in a nested relationship while multiple eager loading

You can even use it with nested relationships. Imagine a case, where you want to retrieve categories along with its products with orders count.

$categories = Category::with([
    'products' => function ($query) {
        $query->withCount('orders');
    },
    'someOtherEagerLoading1',
    'someOtherEagerLoading2'
])->get();
$categoriesArr = $categories->map(function (Category $category) {
    $categoryObj = $category->toArray();
    $categoryObj['products'] = $category->products->map(function (Product $product) {
        $productObj = $product->toArray();
        $productObj['orders_count'] = $product->getAttribute('orders_count');
        return $productObj;
    });
    return $categoryObj;
});

Hope this will help you to retrieve the count of relationship data without retrieving actual relation data.

September 18, 20202 minutesauthorMitul Golakiya
post

Lots of people ask me frequently, "Which are the laravel packages that you use in almost all projects?" when we meet in Meetup or any other events regardless of its online or physical events.

Let me describe today some of the packages that we almost use in all of the projects.

We are working in Laravel for almost 7+ years and in these years we have used lots of packages, some from the community and some of our own.

I am categorizing these into 2 categories.

  1. Must used packages
  2. Common Need/Functionality specific packages

Must used packages

These are the packages which are must be included in all of our projects. No Excuses.

barryvdh/laravel-ide-helper

Laravel exposes a lot of magic methods and properties. IDE Helper is a very good package when it comes to auto-complete those properties and methods. Even it does an amazing job while refactoring properties or methods of the model.

barryvdh/laravel-debugbar

The second one is from the same author, debugbar helps to debug the request in terms of the number of queries fired, time taken by each query, number models retrieved from db, time taken by each request, and much more.

imanghafoori/laravel-microscope

Laravel Microscope improves the readability of your code. Early returns, unnecessary else statements, and many more. so your code looks clean and efficient in terms of execution as well.

beyondcode/laravel-query-detector

One of the problems that we face is, missing eager loading. In ongoing development, sometimes we add relationships objects in the loops, and then laravel fires tons of queries to the database. Laravel Query Detector detects that and gives warning while development environment.

InfyOmLabs/laravel-generator

No application can be ever built without few CRUDs. CRUDs are essential in almost all web applications. Also, APIs of that CRUDs are essentials while building a backend for Mobile or Frontend apps. Laravel Generator is our own developed package that we use in all of the applications to make the CRUD building process faster. It can be used with two themes right now, AdminLTE and CoreUI. But it's also frontend framework agnostic.

Common Need/Functionality specific packages

These are the packages that are used when we particularly need that kind of functionality in the application.

Will keep this list updating.

September 11, 20202 minutesauthorMitul Golakiya