check_health.sh

#!/bin/bash
OUTPUTFOLDER=${TMP_DIR:-/tmp/cwa-book-downloader}
mkdir -p $TMP_DIR

OUTPUTFOLDER=${INGEST_DIR:-/cwa-book-ingest}
mkdir -p $OUTPUTFOLDER

# Get a list of files to process

# Check if a file was supplied through command line arguments
if [ "$#" -gt 0 ]; then
    files=("$@")
else
    files=($TMP_DIR*)
fi

# Total number of files
total_files=${#files[@]}


good=0
bad=0
manual=0


# Process files in the 'downloads' directory
for file in "${files[@]}"; do

    # Skip if it's not a regular file
    [ -f "$file" ] || continue

    # Extract filename and extension
    filenamewithext="${file##*/}"
    filename="${filenamewithext%.*}"
    fileextension="${filenamewithext##*.}"

    case "$fileextension" in
        epub|mobi|azw3|fb2|djvu|cbz|cbr)
            # Attempt to convert the file to EPUB
            ebook-convert "$file" "$OUTPUTFOLDER/$filename.epub" >/dev/null 2>&1
            # if file exists in $OUTPUTFOLDER/$filename.epub then it is a good file
            if [ -f "$OUTPUTFOLDER/$filename.epub" ]; then
                good=$((good + 1))
            else
                bad=$((bad + 1))
            fi
            rm "$file"
            ;;
        *)
            # Move other files to the 'other' directory
            rm  "$file"
            bad=$((manual + 1))
            ;;
    esac
done

# Move to a new line after the progress bar completes
echo

echo "Out of $total_files, $good are good, $bad are corrupt and $manual need manual inspection"

if [ "$bad" -gt 0 ]; then
    exit 2
fi
if [ "$manual" -gt 0 ]; then
    exit 1
fi
exit 0