Summarize inputs for MultiQC reporting in display.

def _summarize_inputs(samples, out_dir):
    """Summarize inputs for MultiQC reporting in display.
    """
    logger.info("summarize target information")
    if samples[0].get("analysis", "").lower() in ["variant", "variant2"]:
        metrics_dir = utils.safe_makedir(os.path.join(out_dir, "report", "metrics"))
        samples = _merge_target_information(samples, metrics_dir)

    logger.info("summarize fastqc")
    out_dir = utils.safe_makedir(os.path.join(out_dir, "report", "fastqc"))
    with utils.chdir(out_dir):
        _merge_fastqc(samples)

    preseq_samples = [s for s in samples if tz.get_in(["config", "algorithm", "preseq"], s)]
    if preseq_samples:
        logger.info("summarize preseq")
        out_dir = utils.safe_makedir(os.path.join(out_dir, "report", "preseq"))
        with utils.chdir(out_dir):
            _merge_preseq(preseq_samples)
    return samples