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PHP PowerBI Interface

1. What is it?

A PHP Library for the PowerBI Rest API.

2. Which services were implemented?

Please feel free to contribute with additional services.

3. How it works?

3.1 Create a dataset into the default workspace/group

    // Instatiate the client passing the auth token.     
    $client = new \Juanparati\PowerBI\Client($token);

    // Create a dataset
    $dataset_model              = new \Juanparati\PowerBI\Models\DatasetModel();
    $dataset_model->name        = 'My Dataset';
    $dataset_model->defaultMode = \Juanparati\PowerBI\Enums\DatasetModeEnum::PUSH;

    // Add table to dataset
    $table = new \Juanparati\PowerBI\Models\TableModel();
    $table->name = 'My Table';

    // Add columns to table
    $columns = [
        new \Juanparati\PowerBI\Models\ColumnModel(
        [
            'name'     => 'first_column',
            'dataType' => \Juanparati\PowerBI\Enums\DatatypesEnum::STRING
        ]),
        new \Juanparati\PowerBI\Models\ColumnModel(
        [
            'name'     => 'second_column',
            'dataType' => \Juanparati\PowerBI\Enums\DatatypesEnum::INT64
        ]),            
    ];

    $table->columns = $columns;

    // Attach tables to dataset model
    $dataset_model->tables = [$table];

    // Create dataset.
    // 
    // Note: Use postDatasetInGroup method in case that dataset should be created in a different
    // workspace/group. 
    $result = (new \Juanparati\PowerBI\Services\Dataset($client))->postDataset($dataset_model);

    // Check if dataset was sucessfully created
    if ($result->isOk()) {
        echo "Dataset created: ";

        // Display dataset Id
        echo $result->response()->id;
    }

3.2 Create a workspace/group

     // Instatiate the client passing the auth token.     
     $client = new \Juanparati\PowerBI\Client($token);

     $result = (new \Juanparati\PowerBI\Services\Group($client))->postGroup('My new workspace');

     if ($result->isOk()) {
         echo "Group created: ";

         // Display dataset Id
         echo $result->response()->id;
     }

3.3 Add rows to dataset

    // Add rows/records
    $rows = 
    [
        [
            'first_column'  => 'foo',
            'second_column' => 1
        ],
        [
            'first_column'  => 'bar',
            'second_column' => 2
        ]
    ];

    // Post rows/records.
    // 
    // Note: Use postRowsByDatasetIdInGroup method in case that dataset is assigned to the 
    // non-default dataset.
    $result = (new Dataset(static::$client))->postRowsByDatasetId($rows, 'My Table', $dataset_id);

    // Obtain the results as an associative array.
    var_dump($result->response(true));

4. How to obtain the authentication token (Non-interactive authentication)

There different ways to obtain the authentication token but this way is most used:

1. Register an Azure Active Directory App with all the required permissions
2. Copy somewhere the "Application Id" and "Client secret"
3. Grant admin consent to the created application (Required for non-interactive authentication)
4. Find the tenand ID (Directory ID) and copy it to somewhere (Azure Console -> Dashboard -> Azure Active Directory -> Properties -> Directory ID)

5. Execute the following code (Note: league/oauth2-client library is required):

   $application_id     = '<The application id>';
   $application_secret = '<The application secret>';
   
   $directory_id       = '<The azure tenant id>';
   
   $user               = '<Admin e-mail or username used in the app registration process>';
   $password           = '<Admin password used in the app registration process>';
   
   $token_file         = 'token.txt';
   
   // Authenticate
   $provider = new \League\OAuth2\Client\Provider\GenericProvider([
       'clientId'                => $application_id,
       'clientSecret'            => $application_secret,
       'urlAuthorize'            => "https://login.microsoftonline.com/common/oauth2/v2.0/authorize",
       'urlAccessToken'          => "https://login.windows.net/$directory_id/oauth2/token",
       'urlResourceOwnerDetails' => '',
       'scopes'                  => 'openid',
   ]);
   
   try {
       // Try to get an access token using the resource owner password credentials grant.
       $accessToken = $provider->getAccessToken('password', [
           'username' => $user,
           'password' => $password,
           'resource' => 'https://analysis.windows.net/powerbi/api'
       ]);
   
       $token = $accessToken->getToken();
   
   } catch (\Exception $e) {
   
       echo 'Unable to retrieve token' . PHP_EOL;
   
       die($e->getMessage());      
   }
   
   // Save token
   file_put_contents($token_file, $token);
   
   echo '🔑 Token saved in ' . $token_file;

5. PowerBI API Restrictions

This library doesn't take care about the PowerBI API Restrictions.

6. Unit tests

Unit tests are not mocked, so it means that request are done against the real PowerBI API. Never execute the unit tests against a production account.

In order to execute the tests the auth token should be added to the environment variable "POWERBI_AUTH_TOKEN":

    export POWERBI_AUTH_TOKEN=<Your token>

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