Issue #3282696 by sanduhrs: Port of l10n_community: Add statistics service

services:

  l10n_community.statistics:

    class: Drupal\l10n_community\L10nStatistics

    arguments: ['@database']

<?php

namespace Drupal\l10n_community;

use Drupal\Core\Database\Connection;

use Drupal\l10n_server\Entity\L10nServerProjectInterface;

/**

 * Service description.

 *

 * @todo

 *   These queries are *slooow*. The query cache helps a lot with caching the

 *   result, so the slowness only shows for the first run, but still it would be

 *   good to look into optimizing these.

 */

class L10nStatistics {

  /**

   * The database connection.

   *

   * @var \Drupal\Core\Database\Connection

   */

  protected $connection;

  /**

   * Constructs a L10nStatistics object.

   *

   * @param \Drupal\Core\Database\Connection $connection

   *   The database connection.

   */

  public function __construct(Connection $connection) {

    $this->connection = $connection;

  }

  /**

   * Get count of all strings.

   */

  public function getStringCount(): int {

    return $this->connection

      ->query("SELECT COUNT(sid) FROM {l10n_server_string}")

      ->fetchField();

  }

  /**

   * Get count of all strings in this project.

   *

   * @param \Drupal\l10n_server\Entity\L10nServerProjectInterface $project

   *   A l10n_server_project entity.

   */

  public function getProjectStringCount(L10nServerProjectInterface $project): int {

    $query = $this->connection

      ->query('SELECT COUNT(DISTINCT l.sid) FROM {l10n_server_line} l WHERE l.pid = :pid', [':pid' => $project->id()]);

    return $query->fetchField();

  }

  /**

   * Get count of all warnings in this project.

   *

   * @param \Drupal\l10n_server\Entity\L10nServerProjectInterface $project

   *   A l10n_server_project entity.

   */

  public function getProjectWarningsCount(L10nServerProjectInterface $project): int {

    $query = $this->connection

      ->query('SELECT COUNT(DISTINCT e.eid) FROM {l10n_server_project} p LEFT JOIN {l10n_server_release} r ON p.pid = r.pid LEFT JOIN {l10n_server_error} e ON r.rid = e.rid WHERE p.uri = :uri', [':uri' => $project->getUri()]);

    return $query->fetchField();

  }

  /**

   * Get summaries based on language codes.

   *

   * @param L10nServerProjectInterface|null $project

   *   A l10n_server_project entity.

   *

   * @return array

   */

  public function getLanguagesStringCount(L10nServerProjectInterface $project = NULL): array {

    $sums = [];

    if (!isset($l10n_project_id)) {

      // Simple count query if we are not filtering by project.

      $count1_sql = "SELECT COUNT(sid) AS translation_count, language FROM {l10n_server_status_flag} WHERE has_translation = 1 GROUP BY language";

      $count2_sql = "SELECT COUNT(sid) AS translation_count, language FROM {l10n_server_status_flag} WHERE has_suggestion = 1 GROUP BY language";

      $count_args = [];

    }

    else {

      // More complex joins if we also need to factor the project in.

      $count1_sql = "SELECT COUNT(DISTINCT ts.sid) AS translation_count, ts.language FROM {l10n_server_line} l INNER JOIN {l10n_server_status_flag} ts ON l.sid = ts.sid WHERE l.pid = :pid AND ts.has_translation = 1 GROUP BY ts.language";

      $count2_sql = "SELECT COUNT(DISTINCT ts.sid) AS translation_count, ts.language FROM {l10n_server_line} l INNER JOIN {l10n_server_status_flag} ts ON l.sid = ts.sid WHERE l.pid = :pid AND ts.has_suggestion = 1 GROUP BY ts.language";

      $count_args = array(':pid' => $project->id());

    }

    $result = $this->connection->query($count1_sql, $count_args);

    foreach ($result as $row) {

      $sums[$row->language]['translations'] = $row->translation_count;

    }

    $result = $this->connection->query($count2_sql, $count_args);

    foreach ($result as $row) {

      $sums[$row->language]['suggestions'] = $row->translation_count;

    }

    return $sums;

  }

  /**

   * Get summaries by projects.

   *

   * @param string $langcode

   *   A langcode string, e.g. 'en', 'fr' or 'de'.

   */

  public function getProjectsStringCount(string $langcode): array {

    // First get the count of strings available for translation.

    $sums = [];

    $result = $this->connection

      ->query("SELECT COUNT(DISTINCT sid) AS string_count, pid FROM {l10n_server_line} GROUP BY pid");

    foreach ($result as $row) {

      $sums[$row->pid] = ['count' => $row->string_count];

    }

    // Get the count of distinct strings having translations and suggestions per

    // project. This is run per project because big installs of the module were

    // choking on GROUP BY based solutions.

    foreach (['translations' => 'has_translation', 'suggestions' => 'has_suggestion'] as $key => $column) {

      foreach ($sums as $pid => &$data) {

        $count_args = [];

        $count_sql = "SELECT COUNT(DISTINCT ts.sid) AS translation_count FROM {l10n_server_line} l LEFT JOIN {l10n_server_status_flag} ts ON l.sid = ts.sid WHERE ts.$column = 1 ";

        if (isset($id)) {

          // Limit to language if desired.

          $count_sql .= "AND ts.language = :language ";

          $count_args[':language'] = $langcode;

        }

        $count_sql .= 'AND l.pid = :pid';

        $count_args[':pid'] = $pid;

        $data[$key] = $this->connection->query($count_sql, $count_args)->fetchField();

      }

    }

    return $sums;

  }

  /**

   * Get summaries of people having most active translations per language.

   *

   * Skip anonymous since that is used for placeholders when there was no prior

   * translations for a suggestion.

   *

   * @param string $langcode

   *   A langcode string, e.g. 'en', 'fr' or 'de'.

   */

  public function getPeopleStringCount(string $langcode): array {

    // Get summaries of people having most active translations per language.

    // Skip anonymous since that is used for placeholders when there was no

    // prior translations for a suggestion.

    $result = $this->connection

      ->queryRange("SELECT COUNT(DISTINCT t.sid) AS sum, u.name, u.uid FROM {l10n_server_translation} t LEFT JOIN {users_field_data} u ON t.uid = u.uid WHERE t.status = 1 AND t.suggestion = 0 AND t.language = :lng AND u.uid != 0 GROUP BY t.uid ORDER BY sum DESC", 0, 10, [':lng' => $langcode]);

    return $result->fetchAll();

  }

}