README

A PHP Software Development Kit for interacting with the auctions and events endpoints in the Topsort ecosystem.

Installation

The recommended way to install Topsort's SDK for PHP is with Composer. Composer is a dependency management tool for PHP that allows you to declare the dependencies your project needs and installs them into your project.

{
  "require": {
    "topsort/sdk": "^4.0"
  }
}

Or with the command line:

composer require topsort/sdk

How it works

All operations are driven by our OpenAPI documentation, so all methods maps directly to the API description.

Usage: Running an auction

Topsort\SDK::create_auction runs a sponsored listings auction and returns a promise. It takes:

slots: Required. An integer, the number of winners to return.
products: Optional. An array with the IDs of the participating products.
qualityScores: Optional. An array of floats, one per product, in the same order.
category: Optional. A category ID, used when no products are given.
searchQuery: Optional. A search query, used when no products or category are given.
opaqueUserId: Optional. The marketplace's anonymized ID for the user. Pass the same ID you send on events, so purchases can be attributed to this auction.

<?php
use Topsort\SDK;

$topsort_client = new SDK("my_api_key");

// An array of product IDs, each describing a product that should participate in
// the auction.
$products = [
    "i8bfHPJaxcAb3",
    "gDG0HV97ed2s"
];

// The Slots number specifies how many auctions winners should be returned for
// the auction.
$slots = 1;

// The same ID you send on events for this user.
$opaque_user_id = "u_7f3a9c";

// Run an auction.
$auction_result = $topsort_client->create_auction($slots, $products, null, null, null, $opaque_user_id)->wait();

// => [
// "results" => [
//    [
//      "resultType" => "listings",
//      "winners" => [
//         [
//            "rank" => 1,
//            "type" => "product",
//            "id" => "gDG0HV97ed2s",
//            "resolvedBidId" => "AKFU78"
//         ]
//      ]
//    ]
//  ]
//]

Usage: Sending events

The event methods (report_click, report_impressions, report_render and report_purchase) return a promise, and nothing is sent until you call ->wait() on it. wait() blocks until Topsort responds and throws Topsort\TopsortException on an API or connection error, so catch it. The report_* call itself throws Topsort\InvalidEventException (also a TopsortException) before sending anything when the event is invalid, so keep the call inside the try as well. Where possible, report events after the response has been sent to the shopper, for example after fastcgi_finish_request().

Usage: Reporting click events

Tracks whenever a product, promoted or not, had a click.

Topsort\SDK::report_click requires one argument, an array with the following keys:

entity: Required for unpromoted products. An array with the type (e.g. "product") and id of the product that was clicked.
resolvedBidId: Required for promoted products. Must be the ID for the auction the product won.
placement: Optional. An array describing the placement of the product on the site.
id: Optional. The marketplace's ID for the event. If present, it should be unique. Topsort may use this field to de-duplicate events.
opaqueUserId: Required. The marketplace's anonymized ID for the user. It must stay the same across the user's sessions and match the ID passed to create_auction, or purchases cannot be attributed. See the opaqueUserId guidance for how to generate and store it. The SDK throws a Topsort\InvalidEventException (a TopsortException) when it is missing or not a non-empty string.
occurredAt: Optional. A DateTime, from when the click happened. Defaults to the current time.

<?php

use Topsort\SDK;
use Topsort\TopsortException;

$topsort_client = new SDK('my_api_key');

$placement = [
  // A marketplace assigned name for a page.
  "path" => "/categories/shoes",
];

// Report the click
try {
  $topsort_client->report_click([
    "placement" => $placement,
    "resolvedBidId" => "AKFU78",
    "opaqueUserId" => "u_7f3a9c",
  ])->wait();
} catch (TopsortException $e) {
  error_log($e->getMessage());
}

Usage: Reporting impression events

Tracks when a product, promoted or not, becomes visible on the site. To record that an auction winner was inserted into the page, use render events instead.

Topsort\SDK::report_impressions requires one argument, an array with the following keys:

entity: Required for unpromoted products. An array with the type (e.g. "product") and id of the product that was seen.
resolvedBidId: Required for promoted products. Must be the ID for the auction the product won.
placement: Optional. An array describing the placement of the product on the site.
id: Optional. The marketplace's ID for the event. If present, it should be unique. Topsort may use this field to de-duplicate events.
opaqueUserId: Required. The marketplace's anonymized ID for the user. It must stay the same across the user's sessions and match the ID passed to create_auction, or purchases cannot be attributed. See the opaqueUserId guidance for how to generate and store it. The SDK throws a Topsort\InvalidEventException (a TopsortException) when it is missing or not a non-empty string.
occurredAt: Optional. A DateTime, from when the impression happened. Defaults to the current time.

<?php

use Topsort\SDK;
use Topsort\TopsortException;

$topsort_client = new SDK('my_api_key');

$impression = [
  "placement" => [
    "path" => "/categories/shoes",
  ],
  "resolvedBidId" => "AKFU78",
  "opaqueUserId" => "u_7f3a9c",
];

// Report the impressions
try {
  $topsort_client->report_impressions($impression)->wait();
} catch (TopsortException $e) {
  error_log($e->getMessage());
}

Usage: Reporting render events

Tracks whenever an auction winner was actually rendered on the site. Render events are sponsored-only: unlike clicks and impressions there is no organic entity fallback, so resolvedBidId is required.

Topsort\SDK::report_render requires a resolvedBidId argument, the ID for the auction the product won, plus an array with the following keys:

placement: Optional. An array describing the placement of the product on the site.
id: Optional. The marketplace's ID for the event. If present, it should be unique. Topsort may use this field to de-duplicate events.
opaqueUserId: Required. The marketplace's anonymized ID for the user. It must stay the same across the user's sessions and match the ID passed to create_auction, or purchases cannot be attributed. See the opaqueUserId guidance for how to generate and store it. The SDK throws a Topsort\InvalidEventException (a TopsortException) when it is missing or not a non-empty string.
occurredAt: Optional. A DateTime, from when the render happened. Defaults to the current time.

<?php

use Topsort\SDK;
use Topsort\TopsortException;

$topsort_client = new SDK('my_api_key');

$placement = [
  // A marketplace assigned name for a page.
  "path" => "/categories/shoes",
];

// Report the render
try {
  $topsort_client->report_render("AKFU78", [
    "placement" => $placement,
    "opaqueUserId" => "u_7f3a9c",
  ])->wait();
} catch (TopsortException $e) {
  error_log($e->getMessage());
}

Usage: Reporting purchases events

Topsort\SDK::report_purchase requires one argument, an array with the following keys:

items: An array of product data.
opaqueUserId: Required. The marketplace's anonymized ID for the user. It must stay the same across the user's sessions and match the ID passed to create_auction, or purchases cannot be attributed. See the opaqueUserId guidance for how to generate and store it. The SDK throws a Topsort\InvalidEventException (a TopsortException) when it is missing or not a non-empty string.
occurredAt: Optional. A DateTime, from when the purchase happened. Defaults to the current time.

<?php

use Topsort\SDK;
use Topsort\TopsortException;

$topsort_client = new SDK('my_api_key');

$items = [
  [
    "productId" => "gDG0HV97ed2s",
    "quantity" => 2,
    "unitPrice" => 10000,
  ]
];

// Report the purchase
try {
  $topsort_client->report_purchase([
    "occurredAt" => new DateTime(),
    "opaqueUserId" => "u_7f3a9c",
    "items" => $items,
  ])->wait();
} catch (TopsortException $e) {
  error_log($e->getMessage());
}

topsort / sdk

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