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Fix metadata manipulaton for malt

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This commit is contained in:
James Fellows Yates 2022-06-10 19:33:37 +02:00
parent 621b6a3d09
commit e0ad49ebc9
1 changed files with 15 additions and 11 deletions
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26
subworkflows/local/profiling.nf
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@ -61,25 +61,29 @@ workflow PROFILING {
// MALT: We groupTuple to have all samples in one channel for MALT as database
// loading takes a long time, so we only want to run it once per database
// TODO document somewhere we only accept illumina short reads for MALT?
ch_input_for_malt = ch_input_for_profiling.malt
.filter { it[0]['instrument_platform'] == 'ILLUMINA' }
.map {
meta, reads, db_meta, db ->
def new_meta = meta.clone()
// Reset entire input meta for MALT to just database name,
// as we don't run run on a per-sample basis due to huge datbaases
// so all samples are in one run and so sample-specific metadata
// unnecessary. Set as database name to prevent `null` job ID and prefix.
def temp_meta = [ id: meta['db_name'] ]
// Extend database parameters to specify whether to save alignments or not
def new_db_meta = db_meta.clone()
// Add the saving of alignments in SAM format to params
def sam_format = params.malt_save_reads ? ' --alignments ./ -za false' : ""
new_db_meta['db_params'] = db_meta['db_params'] + sam_format
// As MALT has huge databases, we don't run on a per-sample basis but multiple
// samples at once. This replaces the ID of the particular process with the
// db_name instead to prevent `null` in job name, and in publishDir)
def updated_meta = new_meta + new_db_meta
updated_meta['id'] = updated_meta['db_name']
[ updated_meta, reads, db ]
// Combine reduced sample metadata with updated database parameters metadata,
// make sure id is db_name for publishing purposes.
def new_meta = temp_meta + new_db_meta
new_meta['id'] = new_meta['db_name']
[ new_meta, reads, db ]
}
.groupTuple(by: [0,2])
.multiMap {