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GitHubRelease ​

class GitHubRelease

Handles interactions with GitHub Releases API.

Constructors ​

GitHubRelease() ​

GitHubRelease({
  required String owner,
  required String repo,
  String? token,
  dynamic client,
})
Implementation
dart
GitHubRelease({
  required this.owner,
  required this.repo,
  this.token,
  http.Client? client,
}) : _client = client;

Properties ​

client no setter ​

dynamic get client
Implementation
dart
http.Client get client => _client ?? http.Client();

hashCode no setter inherited ​

int get hashCode

The hash code for this object.

A hash code is a single integer which represents the state of the object that affects operator == comparisons.

All objects have hash codes. The default hash code implemented by Object represents only the identity of the object, the same way as the default operator == implementation only considers objects equal if they are identical (see identityHashCode).

If operator == is overridden to use the object state instead, the hash code must also be changed to represent that state, otherwise the object cannot be used in hash based data structures like the default Set and Map implementations.

Hash codes must be the same for objects that are equal to each other according to operator ==. The hash code of an object should only change if the object changes in a way that affects equality. There are no further requirements for the hash codes. They need not be consistent between executions of the same program and there are no distribution guarantees.

Objects that are not equal are allowed to have the same hash code. It is even technically allowed that all instances have the same hash code, but if clashes happen too often, it may reduce the efficiency of hash-based data structures like HashSet or HashMap.

If a subclass overrides hashCode, it should override the operator == operator as well to maintain consistency.

Inherited from Object.

Implementation
dart
external int get hashCode;

owner final ​

final String owner
Implementation
dart
final String owner;

repo final ​

final String repo
Implementation
dart
final String repo;

runtimeType no setter inherited ​

Type get runtimeType

A representation of the runtime type of the object.

Inherited from Object.

Implementation
dart
external Type get runtimeType;

token final ​

final String? token
Implementation
dart
final String? token;

Methods ​

findAssetUrl() ​

String? findAssetUrl(ReleaseInfo release, String assetName)

Finds the download URL for a specific asset by name.

Implementation
dart
String? findAssetUrl(ReleaseInfo release, String assetName) {
  final asset = release.assets.firstWhere(
    (a) => a.name == assetName,
    orElse: () => throw GitHubReleaseException(
      'Asset "$assetName" not found in release ${release.tagName}. '
      'Available assets: ${release.assets.map((a) => a.name).join(', ')}',
    ),
  );
  return asset.browserDownloadUrl;
}

getAllAssetUrls() ​

List<String> getAllAssetUrls(ReleaseInfo release)

Returns all asset download URLs for a release.

Useful for finding checksum files or alternative downloads.

Implementation
dart
List<String> getAllAssetUrls(ReleaseInfo release) {
  return release.assets.map((a) => a.browserDownloadUrl).toList();
}

getLatestRelease() ​

Future<ReleaseInfo> getLatestRelease({
  Duration timeout = const Duration(seconds: 30),
})

Fetches the latest release from GitHub.

Implementation
dart
Future<ReleaseInfo> getLatestRelease({
  Duration timeout = const Duration(seconds: 30),
}) async {
  _logger.debug('Fetching latest release from $owner&#47;$repo');

  final url = Uri.parse(
    'https:&#47;&#47;api.github.com&#47;repos&#47;$owner&#47;$repo&#47;releases&#47;latest',
  );

  try {
    final response = await client
        .get(
      url,
      headers: _headers(),
    )
        .timeout(
      timeout,
      onTimeout: () {
        _logger.error('Timeout fetching latest release');
        throw GitHubReleaseException(
          'Timeout fetching latest release after ${timeout.inSeconds}s',
        );
      },
    );

    if (response.statusCode != 200) {
      _logger.error('Failed to fetch latest release: ${response.statusCode}');
      throw GitHubReleaseException(
        'Failed to fetch latest release: ${response.statusCode} ${response.reasonPhrase}',
      );
    }

    final json = jsonDecode(response.body) as Map<String, dynamic>;
    final release = ReleaseInfo.fromJson(json);
    _logger.info('Found latest release: ${release.tagName}');
    return release;
  } on GitHubReleaseException {
    rethrow;
  } catch (e) {
    throw GitHubReleaseException(
      'Error fetching latest release: $e',
    );
  }
}

getRelease() ​

Future<ReleaseInfo> getRelease(
  String tagName, {
  Duration timeout = const Duration(seconds: 30),
})

Fetches a specific release by tag name.

Implementation
dart
Future<ReleaseInfo> getRelease(
  String tagName, {
  Duration timeout = const Duration(seconds: 30),
}) async {
  final url = Uri.parse(
    'https:&#47;&#47;api.github.com&#47;repos&#47;$owner&#47;$repo&#47;releases&#47;tags&#47;$tagName',
  );

  try {
    final response = await client
        .get(
      url,
      headers: _headers(),
    )
        .timeout(
      timeout,
      onTimeout: () {
        throw GitHubReleaseException(
          'Timeout fetching release "$tagName" after ${timeout.inSeconds}s',
        );
      },
    );

    if (response.statusCode == 404) {
      throw GitHubReleaseException(
        'Release with tag "$tagName" not found',
      );
    }

    if (response.statusCode != 200) {
      throw GitHubReleaseException(
        'Failed to fetch release: ${response.statusCode} ${response.reasonPhrase}',
      );
    }

    final json = jsonDecode(response.body) as Map<String, dynamic>;
    return ReleaseInfo.fromJson(json);
  } on GitHubReleaseException {
    rethrow;
  } catch (e) {
    throw GitHubReleaseException(
      'Error fetching release "$tagName": $e',
    );
  }
}

noSuchMethod() inherited ​

dynamic noSuchMethod(Invocation invocation)

Invoked when a nonexistent method or property is accessed.

A dynamic member invocation can attempt to call a member which doesn't exist on the receiving object. Example:

dart
dynamic object = 1;
object.add(42); // Statically allowed, run-time error

This invalid code will invoke the noSuchMethod method of the integer 1 with an Invocation representing the .add(42) call and arguments (which then throws).

Classes can override noSuchMethod to provide custom behavior for such invalid dynamic invocations.

A class with a non-default noSuchMethod invocation can also omit implementations for members of its interface. Example:

dart
class MockList<T> implements List<T> {
  noSuchMethod(Invocation invocation) {
    log(invocation);
    super.noSuchMethod(invocation); // Will throw.
  }
}
void main() {
  MockList().add(42);
}

This code has no compile-time warnings or errors even though the MockList class has no concrete implementation of any of the List interface methods. Calls to List methods are forwarded to noSuchMethod, so this code will log an invocation similar to Invocation.method(#add, [42]) and then throw.

If a value is returned from noSuchMethod, it becomes the result of the original invocation. If the value is not of a type that can be returned by the original invocation, a type error occurs at the invocation.

The default behavior is to throw a NoSuchMethodError.

Inherited from Object.

Implementation
dart
@pragma("vm:entry-point")
@pragma("wasm:entry-point")
external dynamic noSuchMethod(Invocation invocation);

toString() inherited ​

String toString()

A string representation of this object.

Some classes have a default textual representation, often paired with a static parse function (like int.parse). These classes will provide the textual representation as their string representation.

Other classes have no meaningful textual representation that a program will care about. Such classes will typically override toString to provide useful information when inspecting the object, mainly for debugging or logging.

Inherited from Object.

Implementation
dart
external String toString();

Operators ​

operator ==() inherited ​

bool operator ==(Object other)

The equality operator.

The default behavior for all Objects is to return true if and only if this object and other are the same object.

Override this method to specify a different equality relation on a class. The overriding method must still be an equivalence relation. That is, it must be:

  • Total: It must return a boolean for all arguments. It should never throw.

  • Reflexive: For all objects o, o == o must be true.

  • Symmetric: For all objects o1 and o2, o1 == o2 and o2 == o1 must either both be true, or both be false.

  • Transitive: For all objects o1, o2, and o3, if o1 == o2 and o2 == o3 are true, then o1 == o3 must be true.

The method should also be consistent over time, so whether two objects are equal should only change if at least one of the objects was modified.

If a subclass overrides the equality operator, it should override the hashCode method as well to maintain consistency.

Inherited from Object.

Implementation
dart
external bool operator ==(Object other);