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Include lofreq module, and merge lofreq and ivar results #432

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nf-core/viralrecon pull request

add lofreq module and subworkflow 'LOFREQ_IVAR'
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@Joon-Klaps Joon-Klaps left a comment

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Resolve the merge conflicts, then the CI testing, will help you clarify a couple of the bugs. Let me know if you need any help with this.

saveAs: { filename -> filename.equals('versions.yml') ? null : filename }
]
}
withName: 'VARIANTS_IVAR:IVAR_VARIANTS' {

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Suggested change
withName: 'VARIANTS_IVAR:IVAR_VARIANTS' {
withName: 'IVAR_VARIANTS' {

@@ -6,7 +6,7 @@

def valid_params = [
protocols : ['metagenomic', 'amplicon'],
variant_callers : ['ivar', 'bcftools'],
variant_callers : ['ivar', 'bcftools'. 'lofreq'],

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update parameter schema nf-core schema build as wel

Comment on lines +93 to 95
include { LOFREQ_CALLPARALLEL } from '../modules/nf-core/lofreq/callparallel/main'
include { BCFTOOLS_MERGE } from '../modules/nf-core/bcftools/merge/main'
include { CUSTOM_DUMPSOFTWAREVERSIONS } from '../modules/nf-core/custom/dumpsoftwareversions/main'

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Suggested change
include { LOFREQ_CALLPARALLEL } from '../modules/nf-core/lofreq/callparallel/main'
include { BCFTOOLS_MERGE } from '../modules/nf-core/bcftools/merge/main'
include { CUSTOM_DUMPSOFTWAREVERSIONS } from '../modules/nf-core/custom/dumpsoftwareversions/main'
include { CUSTOM_DUMPSOFTWAREVERSIONS } from '../modules/nf-core/custom/dumpsoftwareversions/main'

No need to call modules in the main workflow if they are not used in that workflow. You already call them in the LOFREQ_IVAR subworkflow.

Comment on lines 412 to +466



// SUBWORKFLOW: Call variants with Lofreq
ch_lofreq_vcf = Channel.empty()
//ch_vcf = Channel.empty()
//ch_lofreq_tbi = Channel.empty()
ch_bam
.join(ch_bai, by: [0])
.map{ meta,bam,bai -> [meta, bam, bai, []] }
.set{ ch_lofreq_bam_bai }
if (!params.skip_variants && variant_caller == 'lofreq') {
LOFREQ_CALLPARALLEL (
ch_lofreq_bam_bai,
PREPARE_GENOME.out.fasta,
PREPARE_GENOME.out.fai
)
ch_lofreq_vcf = LOFREQ_CALLPARALLEL.out.vcf
//ch_lofreq_tbi = LOFREQ_CALLPARALLEL.out.tbi
ch_versions = ch_versions.mix(LOFREQ_CALLPARALLEL.out.versions)

// SUBWORKFLOW: Call variants with ivar
VARIANTS_IVAR (
ch_bam,
PREPARE_GENOME.out.fasta,
(params.protocol == 'amplicon' || !params.skip_asciigenome || !params.skip_markduplicates) ? PREPARE_GENOME.out.fai : [],
(params.protocol == 'amplicon' || !params.skip_asciigenome || !params.skip_markduplicates) ? PREPARE_GENOME.out.chrom_sizes : [],
params.gff ? PREPARE_GENOME.out.gff : [],
(params.protocol == 'amplicon' && params.primer_bed) ? PREPARE_GENOME.out.primer_bed : [],
PREPARE_GENOME.out.snpeff_db,
PREPARE_GENOME.out.snpeff_config,
ch_ivar_variants_header_mqc
)
ch_vcf = VARIANTS_IVAR.out.vcf
ch_tbi = VARIANTS_IVAR.out.tbi
ch_ivar_counts_multiqc = VARIANTS_IVAR.out.multiqc_tsv
ch_bcftools_stats_multiqc = VARIANTS_IVAR.out.stats
ch_snpeff_multiqc = VARIANTS_IVAR.out.snpeff_csv
ch_snpsift_txt = VARIANTS_IVAR.out.snpsift_txt
ch_versions = ch_versions.mix(VARIANTS_IVAR.out.versions)


// MODULE: Merge ivar and lofreq variants
BCFTOOLS_MERGE(
ch_lofreq_vcf,
ch_vcf,
//ch_vcf,
//ch_tbi,
PREPARE_GENOME.out.fasta,
PREPARE_GENOME.out.fai
)
ch_merged_vcf = BCFTOOLS_MERGE.out.merged_variants
ch_versions = ch_versions.mix(BCFTOOLS_MERGE.out.versions)
}

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Think you forgot to refactor this by calling the subworkflow

Comment on lines +17 to +27
lofreq_bam // channel: [ val(meta), [ bam ], [ bai ] ]
bam // channel: [ val(meta), [ bam ] ] // for ivar
fasta // channel: /path/to/genome.fasta
fai // channel: /path/to/genome.fai
sizes // channel: /path/to/genome.sizes
gff // channel: /path/to/genome.gff
bed // channel: /path/to/primers.bed
snpeff_db // channel: /path/to/snpeff_db/
snpeff_config // channel: /path/to/snpeff.config
ivar_multiqc_header // channel: /path/to/multiqc_header for ivar variants

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Only call what you need.

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2 participants