Widget build()

in release_dashboard/lib/widgets/merge_pr_substeps.dart [124:239]
103 lines of code
11 McCabe index (conditional complexity)

  Widget build(BuildContext context) {
    final StatusState statusState = context.watch<StatusState>();
    final Map<ConductorStatusEntry, Object>? releaseStatus = statusState.releaseStatus;
    final ConductorService conductor = statusState.conductor;

    final bool isPrRequired = widget.repository == Repositories.engine
        ? requiresEnginePR(conductor.state!)
        : requiresFrameworkPR(conductor.state!);

    final String newPrLink = getNewPrLink(
      userName: githubAccount(widget.repository == Repositories.engine
          ? conductor.state!.engine.mirror.url
          : conductor.state!.framework.mirror.url),
      repoName: repositoryNameAlt(widget.repository),
      state: conductor.state!,
    );

    // Construct a list to keep track of the substeps required based on if a PR is needed
    // and the type of repository.
    List<MergePrSubstep> substepsRequired = <MergePrSubstep>[];
    if (isPrRequired) {
      substepsRequired = [
        MergePrSubstep.openPr,
        if (widget.repository == Repositories.engine) MergePrSubstep.updateLicenseHash,
        MergePrSubstep.preSubmitCi,
        MergePrSubstep.postSubmitCi
      ];
    }
    if (widget.repository == Repositories.engine) {
      substepsRequired.add(MergePrSubstep.codesign);
    }

    // Filter a map that tracks the check status of only the required substeps.
    Map<MergePrSubstep, bool> isRequiredSubstepChecked = Map.from(_isEachSubstepChecked)
      ..removeWhere((key, value) => !substepsRequired.contains(key));

    // The values of the map are widgets that each substep renders
    // as the subtitle of a CheckboxAsSubstep widget.
    final Map<MergePrSubstep, Widget> substepsContent = <MergePrSubstep, Widget>{
      MergePrSubstep.openPr: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          SelectableText(MergePrSubsteps.substepSubtitles[MergePrSubstep.openPr]!),
          const SizedBox(height: 10.0),
          UrlButton(
            textToDisplay: newPrLink,
            urlOrUri: newPrLink,
          ),
        ],
      ),
      MergePrSubstep.updateLicenseHash:
          SelectableText(MergePrSubsteps.substepSubtitles[MergePrSubstep.updateLicenseHash]!),
      MergePrSubstep.preSubmitCi: SelectableText(MergePrSubsteps.substepSubtitles[MergePrSubstep.preSubmitCi]!),
      MergePrSubstep.postSubmitCi: Column(
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          SelectableText(MergePrSubsteps.substepSubtitles[MergePrSubstep.postSubmitCi]!),
          releaseStatus == null || !kBaseReleaseChannels.contains(releaseStatus[ConductorStatusEntry.releaseChannel])
              ? Text(
                  MergePrSubsteps.releaseChannelInvalidErr,
                  style: Theme.of(context).textTheme.subtitle1!.copyWith(color: Colors.red),
                )
              : UrlButton(
                  textToDisplay: luciConsoleLink(
                    releaseStatus[ConductorStatusEntry.releaseChannel] as String,
                    repositoryNameAlt(widget.repository),
                  ),
                  urlOrUri: luciConsoleLink(
                    releaseStatus[ConductorStatusEntry.releaseChannel] as String,
                    repositoryNameAlt(widget.repository),
                  ),
                ),
        ],
      ),
      MergePrSubstep.codesign: SelectableText(MergePrSubsteps.substepSubtitles[MergePrSubstep.codesign]!),
    };

    return Column(
      children: <Widget>[
        if (!isPrRequired)
          Padding(
            padding: const EdgeInsets.symmetric(vertical: 10.0),
            child: Text(MergePrSubsteps.noPrMsg, style: Theme.of(context).textTheme.subtitle1),
          ),
        // Render only required substeps.
        for (MergePrSubstep substep in substepsRequired)
          CheckboxAsSubstep(
            substepName: MergePrSubsteps.substepTitles[substep]!,
            subtitle: substepsContent[substep],
            isChecked: _isEachSubstepChecked[substep]!,
            clickCallback: () {
              substepPressed(substep);
            },
          ),
        // Only if all required substeps are checked, enable the continue button.
        const SizedBox(height: 25.0),
        ContinueButton(
          elevatedButtonKey: Key('merge${repositoryName(widget.repository, true)}CherrypicksSubstepsContinue'),
          enabled: !isRequiredSubstepChecked.containsValue(false),
          error: _error,
          onPressedCallback: () async {
            setError(null);
            setIsLoading(true);
            try {
              await statusState.conductor.conductorNext(context);
            } catch (error, stacktrace) {
              setError(errorToString(error, stacktrace));
            } finally {
              setIsLoading(false);
            }
          },
          isLoading: _isLoading,
        ),
      ],
    );
  }