shownotes-w3m-rice/diana-mui

#!/usr/bin/env bash
###             _   _     _      _         
###  __ _  ___ | |_| |__ | | ___| |_ _   _ 
### / _` |/ _ \| __| '_ \| |/ _ \ __| | | |
###| (_| | (_) | |_| |_) | |  __/ |_| |_| |
### \__, |\___/ \__|_.__/|_|\___|\__|\__,_|
### |___/                                  
###       https://www.youtube.com/user/gotbletu
###       https://twitter.com/gotbletu
###       https://github.com/gotbletu
###       gotbletu@gmail.com
###
### Author          : gotbletu
### Name            : diana-mui
### Version         : 0.2.3
### Date            : 2020-05-05
### Description     : diana-mui is a Menu User Interface to the diana program. Diana is a commandline interface to aria2 daemon
### Depends On      : bash  aria2  coreutils  fzf  gawk  procps-ng  xdg-utils  diana (https://github.com/baskerville/diana)
### Video Demo      : https://www.youtube.com/watch?v=y59JwlYsrAE
### References      : https://github.com/baskerville/diana/blob/87c5b1b57425585b4c0f543edcf7e9038cf793c5/diana#L427-L429

# 2020-05-05 v0.2.3 added d,D,M hotkeys for changing config, download path, show path. shellcheck passes 99%-ignore expand warning
# 2019-07-20 v0.2.2 added tmux clear scrollback
# 2019-06-07 v0.2.1 added extra hotkeys 

# download path
DIANA_DOWNLOAD_DIR="$HOME/Downloads"

main_program () {
while true; do
  clear
  pidof tmux >/dev/null && tmux clear-history

  printf '%s\n' '======== Diana MUI ========'
  printf '%s\n' '  o|l)   Open File <==> List All Downloads'
  printf '%s\n' '  a|A)   Add <==> Add Paused'
  printf '%s\n' '  i|f)   File Info <==> Show Filename'
  printf '%s\n' '  r|R)   Remove * <==> Force Remove *'
  printf '%s\n' '  p|P)   Pause * <==> Pause All Active'
  printf '%s\n' '  c|C)   Resume * <==> Resume All Paused'
  printf '%s\n' '  T)     Stop Seeding Completed Torrents'
  printf '%s\n' '  E)     Clear Completed Downloads & Errors'
  printf '%s\n' '  M)     Modify Aria2 Configuration'
  printf '%s\n' '  d|D)   Show Path <==> Change Download Path'
  printf '%s\n' '  s|S)   Start Aria2c Daemon <==> STOP Daemon'
  printf '%s\n' '  h|q)   Help <==> Quit'
  printf '\n'
  printf '%s\n' '  * Tab:select-single  Ctrl-A:select-all'
  printf '%s\n' '    Ctrl-T:toggle-all  Ctrl-D:deselect-all'
  printf '\n'
  printf '  Enter Your Choice: '
  read -r INPUT

  case "$INPUT" in
  
    l)    # List all (Ctrl+c to exit)
          watch -t diana-progress
          ;;
    i)    # Show File Info
          # GID=`(diana list && diana paused && diana stopped && diana errors) | fzf | awk '{print $1}'`
          GID=$( (diana list && diana paused && diana stopped && diana errors) | fzf | awk '{print $1}')
          diana info "$GID"
          read -rsp $'Press any key to return to main menu\n' -n1
          ;;
    f)    # Show Filename
          # GID=`(diana list && diana paused && diana stopped && diana errors) | fzf | awk '{print $1}'`
          GID=$( (diana list && diana paused && diana stopped && diana errors) | fzf | awk '{print $1}')
          diana files "$GID"
          read -rsp $'Press any key to return to main menu\n' -n1
          ;;
    o)    # Open File
          # GID=`(diana list && diana paused && diana stopped && diana errors) | fzf | awk '{print $1}'`
          GID=$( (diana list && diana paused && diana stopped && diana errors) | fzf | awk '{print $1}')
          nohup xdg-open "$(diana files "$GID" | cut -d'%' -f2- | awk '{$1=$1};1')" >/dev/null 2>&1 &
          # read -rsp $'Press any key to return to main menu\n' -n1 key
          ;;
    a)    # Add
          printf '%s\n' ">>> Add [<URI>|<MAGNET>|<TORRENT_FILE>|<METALINK_FILE] To Active Downloads"
          read -r -e -p ">>> " URI
          diana add "$URI"
          ;;
    A)    # Add Paused
          printf '%s\n' ">>> Add [<URI>|<MAGNET>|<TORRENT_FILE>|<METALINK_FILE] To Paused Downloads"
          read -r -e -p ">>> " URI
          diana --pause add "$URI"
          ;;
    r)    # Removing Download
          (diana list && diana paused ) | fzf -m --bind ctrl-a:select-all,ctrl-d:deselect-all,ctrl-t:toggle-all | awk '{print $1}' | while read -r GID; do diana remove "$GID"; done
          ;;
    R)    # Force Removing Download
          (diana list && diana paused ) | fzf -m --bind ctrl-a:select-all,ctrl-d:deselect-all,ctrl-t:toggle-all | awk '{print $1}' | while read -r GID; do diana forcerm "$GID"; done
          ;;
    p)    # Pausing Download
          diana list | fzf -m --bind ctrl-a:select-all,ctrl-d:deselect-all,ctrl-t:toggle-all | awk '{print $1}' | while read -r GID; do diana pause "$GID"; done
          ;;
    P)    # Pause All The Active Downloads (aka Sleep)
          diana sleep
          ;;
    c)    # Resuming Download
          diana paused | fzf -m --bind ctrl-a:select-all,ctrl-d:deselect-all,ctrl-t:toggle-all | awk '{print $1}' | while read -r GID; do diana resume "$GID"; done
          ;;
    C)    # Resume All The Paused Downloads (aka Wake)
          diana wake
          ;;
    E)    # Clear The List Of Stopped Downloads And Errors (aka Purge)
          diana purge
          ;;
    d)    # show current aria2 download location
          printf '\n'
          printf "%s\n" "Current Download Path: $DIANA_DOWNLOAD_DIR"
          printf '\n'
          read -rsp $'Press any key to return to main menu\n' -n1
          ;;
    D)    # change aria2 download location
          printf '%s\n' ">>> Set Your Default Download Directory"
          read -r -e -p ">>> " DIR
          DIR=$(printf '%s' "$DIR" | sed 's/^~/$HOME/g')
          sed -i 's:^DIANA_DOWNLOAD_DIR=.*:DIANA_DOWNLOAD_DIR='\""$DIR"\"':g' "$0"
          printf '\n'
          printf "%s\n" "Restart Daemon And Script To Apply Changes"
          printf '\n'
          read -rsp $'Press any key to return to main menu\n' -n1
          ;;
    M)    # modify edit aria2 configuration
          if [ ! -d "$HOME/.config/aria2" ]; then mkdir -p "$HOME/.config/aria2" ; fi
          $EDITOR "$HOME/.config/aria2/aria2.conf"
          ;;
    T)    # Stop Seeding Completed Downloads (aka Clean)
          diana clean
          ;;
    s)    printf '%s\n' "Starting Aria2c Daemon..."
          printf '%s\n' "Download To: $DIANA_DOWNLOAD_DIR"
          mkdir -p "$DIANA_DOWNLOAD_DIR"
          dad -d "$DIANA_DOWNLOAD_DIR" start
          sleep 3
          ;;
    S)    printf '%s\n' "Stopping Aria2c Daemon..."
          dad stop
          sleep 3
          ;;
    h|H)  # Help page
          clear
          printf '%s\n' 'Diana-MUI is a Menu User Interface to the diana program.'
          printf '%s\n' 'Diana is a commandline interface to aria2 daemon.'
          printf '%s\n' 'Aria2 is a download utility that supports HTTP(S), FTP, BitTorrent, and Metalink.'
          printf '\n'
          printf '%s\n' 'Requirements: bash  aria2  coreutils  sed  fzf  gawk  procps-ng  xdg-utils  diana (https://github.com/baskerville/diana)'
          printf '\n'
          printf '%s\n' 'Optional: aria2c addon (https://chrome.google.com/webstore/detail/aria2c-integration/edcakfpjaobkpdfpicldlccdffkhpbfk)'
          printf '\n'
          printf '%s\n' 'Author:  gotbletu <gotbletu@gmail.com>'
          printf '%s\n' '         https://www.youtube.com/user/gotbletu'
          printf '%s\n' '         https://twitter.com/gotbletu'
          printf '%s\n' '         https://github.com/gotbletu'
          printf '\n'
          read -rsp $'Press any key to return to main menu\n' -n1
          ;;
    q|Q)  # Quit/Exit
          clear && break
          ;;
    *)    printf '%s\n' "Invalid Option... Try Again"
          sleep 2
          ;;
  esac

done
}

# run program
main_program