newrwxboostpage

#!/bin/sh

Help()
{
   # Display Help
   echo "Add description of the script functions here."
   echo
   echo "Syntax: scriptTemplate [-d|h|v|V]"
   echo "options:"
   echo "d     select day to grab notes for."
   echo "h     Print this Help."
   echo "v     Verbose mode."
   echo "V     Print software version and exit."
   echo
}

get_day_summary()
{
  raw_url="https://raw.githubusercontent.com/rwxrob/boost/old-20210722/README.md" 
  normal_url="https://github.com/rwxrob/boost/blob/old-20210722/README.md"
  source_readme=$(curl -s "${raw_url}")

# okay, sooo the below works, but takes an insane amount of time. why?
# it's slow because for each match, the string length is counted multiple times
# parameter expansion has a known issue of having quadratic complexity (yike)
# https://stackoverflow.com/questions/14967299/parameter-expansion-slow-for-large-data-sets
# so we're going back to the original sed way of doing it which is speedy-weedy :)
#   day_summary_interm="${source_readme##*##*day"$day"}"
#   day_summary="${day_summary_interm%%##*}"

  day_summary=$(echo "${source_readme}" | sed -n '/Day '"${day}"'/,/##/p')

#   day_title=`echo "$day_summary" | grep -m 1 ":" | sed 's/^.*: //'`

# here we have successfully replaced one sed statement with parameter expansion!
# go me!
  line_1=$(echo "${day_summary}" | grep -m 1 ":")
  day_title="${line_1#*: }"
  day_title_url=$(echo "${day_title}" | tr ' ' '-')
  day_title_url=$(echo "${day_title_url}" | tr -d '/(),')
  day_title_url=$(echo "${day_title_url}" | tr '[:upper:]' '[:lower:]')
  video_link=$(echo "${day_summary}" | grep -m 1 -o 'https://youtu.be.*)$' | sed 's/)$//')
  materials_link="${normal_url}#-beginner-boost-day-${day}-${day_title_url}"
}

# Get cli options
while getopts ":hd:" option; do
  case ${option} in 
    h) # display Help
       Help
       exit;;
    d) # enter day to grab summary for
       day=${OPTARG};;
   \?) # invalid option
       echo "Error: invalid option"
       exit;;
    *) # another invalid option
       echo "Error: invalid option"
       exit;;
  esac
done

# shellcheck source=./exports
. ./exports
get_day_summary
node newrwxboostpage.js "👩🏼‍💻 rwx boost day " "${day} - ${day_title}" "${video_link}" "${materials_link}"