Author: Rob

    /**
     * Make request to GitHub using the GraphQL API.
     *
     * $query - a GraphQL query string
     * $variables - an array of GraphQL variables
     *
     * Call like: $data = Http::githubGraphQL($query, $variables)->throw()->json()['data'];
     */
    Http::macro('githubGraphQL', function (string $query, array $variables) {
        return Http::withHeaders([
            'Accept' => 'application/vnd.github+json',
            'Authorization' => 'Bearer ' . env('GH_TOKEN')
        ])->post('https://api.github.com/graphql', [
            'query' => $query,
            'variables' => $variables,
        ]);
    });

    <?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Http;

class GitHubProjects extends Model
{
    use HasFactory;

    /**
     * getFirstN - get first N projects for the GitHub organisation, ordered by
     * title
     *
     * @param integer $count - number of projects to return
     * @return array
     */
    public static function getFirstN(int $count = 20): array
    {
        $projects = Http::githubGraphQL(
            <<<EOD
            query getFirstN(\$count: Int) {
              organization(login: "MyOrg") {
                projectsV2(first: \$count, orderBy: {field: TITLE, direction: ASC}) {
                  nodes {
                    number
                    id
                    title
                  }
                }
              }
            }
EOD,
            [ "count" => $count ]
        )->throw()->json()['data'];
        return $projects['organization']['projectsV2']['nodes'];
    }


    /**
     * getFirstNIssues
     *
     * @param integer $projectNumber
     * @param integer $count
     * @return array
     */
    public static function getFirstNIssues(int $projectNumber = 1, int $count = 20): array
    {
        $projectId = GitHubProjects::getIdByNumber($projectNumber);
        $issues = Http::githubGraphQL(
            <<<EOD
            # Exclamation mark since projectId is required
            query getFirstNIssues(\$projectId: ID!, \$count: Int) {
              node(id: \$projectId) {
                ... on ProjectV2 {
                  items(first: \$count) {
                    nodes {
                      id
                      fieldValues(first: 8) {
                        nodes {
                          ... on ProjectV2ItemFieldTextValue {
                            text
                            field {
                              ... on ProjectV2FieldCommon {
                                name
                              }
                            }
                          }
                          ... on ProjectV2ItemFieldDateValue {
                            date
                            field {
                              ... on ProjectV2FieldCommon {
                                name
                              }
                            }
                          }
                          ... on ProjectV2ItemFieldSingleSelectValue {
                            name
                            field {
                              ... on ProjectV2FieldCommon {
                                name
                              }
                            }
                          }
                        }
                      }
                      content {
                        ... on DraftIssue {
                          title
                          body
                        }
                        ... on Issue {
                          title
                          assignees(first: 10) {
                            nodes {
                              login
                            }
                          }
                        }
                        ... on PullRequest {
                          title
                          assignees(first: 10) {
                            nodes {
                              login
                            }
                          }
                        }
                      }
                    }
                  }
                }
              }
            }
EOD,
            [
              "projectId" => $projectId,
              "count" => $count
            ]
        )->throw()->json()['data'];
        return $issues['node']['items']['nodes'];
    }


    /**
     * getByTitle - search for projects by title
     *
     * @param string $title - search for
     * @return array
     */
    public static function getByTitle(string $title): array
    {
        $projects = Http::githubGraphQL(
            <<<EOD
            query getByName(\$title: String!) {
                organization(login: "MyOrg") {
                    projectsV2(
                        first: 20
                        orderBy: { field: TITLE, direction: ASC }
                        query: \$title
                    ) {
                        nodes {
                            number
                            id
                            title
                        }
                    }
                }
            }
              
EOD,
            [ "title" => $title ]
        )->throw()->json()['data'];
        return $projects['organization']['projectsV2']['nodes'];
    }


    /**
     * getIdByNumber
     *
     * @param integer $number - the integer identifier of the project
     * @return string - the internal GitHub project ID (e.g. PVT_kwDOBWQiz84AH53W)
     */
    private static function getIdByNumber(int $number = 1)
    {
        $project = Http::githubGraphQL(
            <<<EOD
            # Exclamation mark since number is required
            query getIdByNumber(\$number: Int!) {
              organization(login: "MyOrg") {
                projectV2(number: \$number) {
                  id
                }
              }
            }
EOD,
            ['number' => $number]
        )->throw()->json()['data'];
        return $project['organization']['projectV2']['id'];
    }


    /**
     * getProjectFields - get all the (custom) fields associated to a project
     *
     * @param string $projectID - GitHub's reference for the project
     * @return array
     */
    public static function getProjectFields(string $projectID): array
    {
          $fields = Http::githubGraphQL(
            <<<EOD
            query getProjectFields(\$node: ID!) {
              node(id: \$node) {
                ... on ProjectV2 {
                  fields(first: 20) {
                    nodes {
                      ... on ProjectV2Field {
                        id
                        name
                      }
                      ... on ProjectV2IterationField {
                        id
                        name
                        configuration {
                          iterations {
                            startDate
                            id
                          }
                        }
                      }
                      ... on ProjectV2SingleSelectField {
                        id
                        name
                        options {
                          id
                          name
                        }
                      }
                    }
                  }
                }
              }
            }
              
EOD,
            [ "node" => $projectID ]
        )->throw()->json()['data'];
        return $fields['node']['fields']['nodes'];
    }
}

public function index()
{
    /*
        Search for "MyProject" in projects
        Project number is $projects[0]['number'];
        Project name is $projects[0]['title'];
        Project ID is $projects[0]['id'];
    */
    define('BR', "<br />\n");
    $projects = GitHubProjects::getByTitle('MyProject');

    if (isset($projects[0])) {
        $projectNumber = $projects[0]['number'];
        $issues = GitHubProjects::getFirstNIssues($projectNumber, 50);
        echo "<h1>First 50 issues in MyProject project</h1>\n";
        foreach ($issues as $issue) {
            echo '<b>ID:</b> ' . $issue['id'] . BR;
            echo '<b>Title:</b> ' . $issue['content']['title'] . BR;
            if (isset($issue['content']['assignees']['nodes'][0])) {
                echo '<b>Assignee:</b> ' . $issue['content']['assignees']['nodes'][0]['login'] . BR;
            }
            // Field types
            foreach ($issue['fieldValues']['nodes'] as $field) {
                if (isset($field['text']) && $field['field']['name'] != "Title") {
                    echo '<b>' . $field['field']['name'] . ':</b> ' . $field['text'] . BR;
                }
                if (isset($field['date'])) {
                    echo '<b>' . $field['field']['name'] . ':</b> ' . $field['date'] . BR;
                }
                if (isset($field['name'])) {
                    echo '<b>' . $field['field']['name'] . ':</b> ' . $field['name'] . BR;
                }
            }
            echo BR;
        }
    } else {
        echo "No projects found";
    }
}