# caching: ZOMG audioscrobbler cache functions
#   Copyright (C) 2005, 2006, 2007  Clint Adams

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA

audioscrobbler_cache() {
  local poststr="$1"
  local LOCK

  print -r "Caching: $poststr"
  lockfile-create ~/.zomg/cache
  lockfile-touch ~/.zomg/cache &
  LOCK="$!"
  print -r "${poststr}" >> ~/.zomg/cache
  kill "${LOCK}"
  lockfile-remove ~/.zomg/cache
}

audioscrobbler_flushcache() {
  local username=$1 #unused
  local sid=$2
  local i=0
  local query LOCK
  local authinfo="&s=${sid}"

  submit=1

  lockfile-create ~/.zomg/cache
  lockfile-touch ~/.zomg/cache &
  LOCK="$!"

  while read line
  do
    query+=${line//\[0\]/[$i]}
    if (( i==9 ));
    then
      if audioscrobbler_submit "$authinfo$query" "$username"; then
        : here, purge successful submissions
      else
        kill "${LOCK}"
        lockfile-remove ~/.zomg/cache

        return 1
      fi
      query=""
      i=0
    else
      (( i++ ))
    fi
  done < ~/.zomg/cache

  kill "${LOCK}"
  lockfile-remove ~/.zomg/cache

  (( i == 0 )) ||	{ audioscrobbler_submit "$authinfo$query" "$username" || return 1 }
  return
}
