html2pdf-view.sh

#!/bin/bash

# DIR SETTINGS
_KURAL_DIR='/home/USERNAME/Music/Thirukkural/Kural-Song-Audio'
_PAADAL_DIR='/home/USERNAME/Music/01-Thevaram/00-thevaram-classified-by-artist'

# Scroll mail message based on isThevaram or isKural is true ( for auto scroll with xdotool )
typeset -g isThevaram=false
typeset -g isKural=false

if [ -z "$1" ]; then
    message=$(cat)
    echo "$message" > /tmp/neomutt-message.html
    mailMessage=/tmp/neomutt-message.html
else
    mailMessage=$1
fi

#########################################################################
# Code for playing thevaram song, if the mail contains thevara-padal info
#########################################################################
playThevaram()
{

    # Associative array of key:artist_prefix and value:artist_name(dir)
    declare -A _ARTIST_ARRAY=( ['art']=artist-01 ['dps']=dharmapuram-p-swaminathan ['dvr']=dv-ramani ['irj']=ilaiyaraja ['mpm']=madurai-muthukkumaran ['msg']=mayilai-pa-sargurunathan ['ppi']=pasupathy ['sjj']=sj-janani ['spb']=sp-balasubramaniam ['tss']=thiruvidaimarudur-s-sambadam ['tms']=tm-soundararajan ['vjr']=vani-jayaram ['vmk']=veeramani-kannan )

    # To get artist in the order we want, instead of dict-hash
    declare -a _ARTIST_ORDER_ARRAY=( vjr spb tms vmk irj ppi sjj dvr msg mpm tss art dps )


    # _PAADAL_NUMBER=$(cat $1 | grep -Po '(?<=/)\d{7}(?=\.mp3)')
    _PAADAL_ARRAY=($(grep -Po '(?<=\>)\d{1,3}(?=\<)' "$mailMessage"))
    # Thirumurai in text form with space trimmed
    _THIRUMURAI_TEXT=`echo $(grep -Po '(?<=\</b\>)(.*)\s(?=திருமுறை \<)' "$mailMessage")`
    # _THIRUMURAI_TEXT=$(echo $(grep -Po '(?<=\</b\>)(.*)\s(?=திருமுறை \<)' "$mail{Message}"))

    # Thirumurai text to  number associative array
    declare -A _THIRUMURAI_ARRAY=( ["முதலாம்"]=1  ["இரண்டாம்"]=2  ["மூன்றாம்"]=3  ["நான்காம்"]=4  ["ஐந்தாம்"]=5  ["ஆறாம்"]=6  ["ஏழாம்"]=7  ["எட்டாம்"]=8  ["ஒன்பதாம்"]=9  ["பத்தாம்"]=10  ["பதினொன்றாம்"]=11  ["பனிரெண்டாம்"]=12   )

    # If Pathigam and Paadal details are available, then
    if [ ${#_PAADAL_ARRAY[@]} -eq 2 ]; then
        _PAADAL_NUMBER=$(printf  '%d%03d%03d' "${_THIRUMURAI_ARRAY[${_THIRUMURAI_TEXT}]}" "${_PAADAL_ARRAY[0]}" "${_PAADAL_ARRAY[1]}" )
    else
        _PAADAL_NUMBER=0
    fi

    if [ ${#_PAADAL_NUMBER} -eq 7 ]; then
       # echo "Song: ${_PAADAL_NUMBER}"

       for oIndex in "${!_ARTIST_ORDER_ARRAY[@]}"; do

           # No prefix and '-' if the artist is dharmapuram-p-swaminathan ['dps']
           #1001001.mp3
           if [ "${_ARTIST_ORDER_ARRAY[$oIndex]}" = "dps" ]; then
               thevaraSong="${_PAADAL_DIR}/${_ARTIST_ARRAY[${_ARTIST_ORDER_ARRAY[$oIndex]}]}/0${_PAADAL_NUMBER:0:1}/${_PAADAL_NUMBER:1:3}/${_PAADAL_NUMBER}.mp3"
           else
               #vmk-01001001.mp3
               thevaraSong="${_PAADAL_DIR}/${_ARTIST_ARRAY[${_ARTIST_ORDER_ARRAY[$oIndex]}]}/0${_PAADAL_NUMBER:0:1}/${_PAADAL_NUMBER:1:3}/${_ARTIST_ORDER_ARRAY[$oIndex]}-0${_PAADAL_NUMBER}.mp3"
           fi

           if [ -f "$thevaraSong" ]; then
               isThevaram=true
               tmux splitw -v -p 20 -t basic:8  "mplayer -loop 0 ${thevaraSong}" &
               break
           fi
       done
    fi
}
##############################################################################
# END: Code for playing thevaram song, if the mail contains thevara-padal info
##############################################################################

#########################################################################
# Code for playing kural song, if the mail contains kural-padal info
#########################################################################
playKural()
{
# _KURAL_NUMBER=$(cat $1 | grep -Po '(?<=</b>)\d{1,4}(?=<br)')
_KURAL_NUMBER=$(grep -Po '(?<=</b>)\d{1,4}(?=<br)' "$1")
_KURAL_INTEGER=$(( "$_KURAL_NUMBER" + 0))

# if [ ${#_KURAL_NUMBER} -ge 1 -a  ${#_KURAL_NUMBER} -le 4 ]; then
if [ ${#_KURAL_NUMBER} -eq 4 ]; then
    if [ "${_KURAL_INTEGER}" -ge 1 ] && [ "${_KURAL_INTEGER}" -le  1330 ]; then
       # zeroos="0000"
       # zeroPadedKuralNumber=$(echo ${zeroos:${#_KURAL_NUMBER}:${#zeroos}}${_KURAL_NUMBER})
       # echo "Song: ${_KURAL_NUMBER}"
       # kuralSong="${_KURAL_DIR}/${zeroPadedKuralNumber}.mp3"
       kuralSong="${_KURAL_DIR}/${_KURAL_NUMBER}.mp3"
       if [ -f "$kuralSong" ]; then
           isKural=true
           tmux splitw -v -p 20 "mplayer -loop 0 -ss 12 ${kuralSong}" &
       fi
   fi
fi
}
##############################################################################
# END: Code for playing kural song, if the mail contains kural-padal info
##############################################################################


# Play Thevaram if the message contains thevaram data
playThevaram "$mailMessage"

# Play Kural if the message contains kural data
playKural "$mailMessage"

# Convert html page to pdf
wkhtmltopdf --encoding utf-8 "$mailMessage" "$mailMessage".pdf >/dev/null 2>&1

# Open the convert pdf in xpdf
xpdf -fullscreen "$mailMessage".pdf &

# Wait for the xpdf to load
sleep 1

# wmctrl to detect if a window is present
if [ "$(wmctrl -l | grep -c 'Xpdf: /tmp/neomutt.html.pdf')" -gt 0 ]; then
    wmctrl -xa "Xpdf: /tmp/neomutt.html.pdf"
    xdotool key w

    if [ "${isThevaram}" = true ] || [ "${isKural}" = true ]; then
        # To scroll down 650 px for viewing thevaram/kural
        xdotool key y
        # # repeat 'j' for 'n' times
        # for i in {1..40}; do
        #   xdotool key j
        #   # sleep 1
        # done
    fi
fi


# Zoom pdf to fullscreen
# pdfWndId=$(xdotool search --name "neomutt.html.pdf")
# if [ "${pdfWndId}" ]; then
#     sleep 1
#     pdfWndId=$(xdotool search --name "neomutt.html.pdf")
#     echo "inside-xpdf-wndId=${pdfWndId}"
#     xdotool windowfocus --sync "${pdfWndId}"  && xdotool key w
# fi

# xdotool windowfocus $(xdotool search --name neomutt.html.pdf) && xdotool key w
# Clean-up any neomutt file in /tmp
# rm -f /tmp/neomutt*