run_analytics

#!/usr/bin/env bash

app=( python3 module_design_analytics.py )
root_dir=/Users/pha212/Documents/ExtFin-EFS/smoke

main () {
  local dir
  local result

  kill_process || true
  dir=result_$(today)
  make_dir "$dir"
  result=$(run_analytics "$dir")
  copy_to_current "$result"
}

kill_process () {
  local file=${1:-example.pid}
  local pid
  
  is_file "$file      || $(raise "No $file"               )
  pid=$(< "$file")
  is_number   "$pid"  || $(raise "Invalid $file"          )
  is_process  "$pid"  || $(raise "$pid - no such process" )
  echo "Killing $(name_of "$pid")"
  kill_pid "$pid"  && remove "$file"
} 
  
run_analytics () {
  local filename
  local filepath
  local outfile
  
  filepath=$(last_in "$root_dir"/*.yaml)
  filename=${filepath##*/}
  echoerr "$filename"
  outfile=$1/summary_$filename
  "${app[@]}" "$filepath" >"$outfile" || $(raise "Error $? in app") 
  echo "$outfile"
}

copy_to_current () {
  newer_than current.txt "$1" && cp "$1" current.txt || echo "$1 not newer"
}

last_in () {
  local item
  local max=$1; shift
  
  for item in "$@"; do
    [[ $item > $max ]] && max=$item
  done
  echo "$max"
}

echoerr       () { echo "$1" >&2                        ;}
emit          () { printf 'eval eval %q\n' "$1"         ;}
is_file       () { [[ -e $1 ]]                          ;}
is_number     () { [[ -n $1 && $1 != *[^[:digit:]]* ]]  ;}
is_process    () { ps   "$1" >/dev/null                 ;}
kill_pid      () { kill "$1" >/dev/null                 ;}
make_dir      () { mkdir -p -- "$1"                     ;}
name_of       () { ps -ho cmd "$1"                      ;}
newer_than    () { [[ $2 -nt $1 ]]                      ;}
raise         () { local rc=$?; echo "$1" >&2; emit "return ${2:-$rc}" ;}
remove        () { rm -- "$1"                           ;}
sourced       () { [[ ${FUNCNAME[1]} == 'source' ]]     ;}
strict_mode   () { set -euo pipefail                    ;}
today         () { date '+%Y%m%d'                       ;}

sourced && return
strict_mode
main