#!/bin/bash
# file: gsl__db_manager
# Folder: /var/lib/gsl/scripts
# By echolib (XMPP: im@echolib.re)
# License: GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007


#======================================================================
# Get arguments from COMMAND (db)
# $1 File
#======================================================================
db__OPTIONS() {
author__check || exit 0 # Check if authors registresd

! [[ "$1" ]] \
  && gsl__invalid_option "$1" "[File]"

if__file "$1" post
[[ -f "$gsl_dir_db_domain/$gsl_this_post.db" ]] \
  && cat "$gsl_dir_db_domain/$gsl_this_post.db" \
  || echo "! No DB yet for $gsl_this_post. Check it first."
exit
}


#======================================================================
# Get Post Hash & Status From Database
#======================================================================
DB__datas() {
if ! [[ -f "$gsl_file_db_post" ]];then
  gsl__logs_print -w -D -f \
    "Article not yet checked" \
    "$gsl_file_db_post"
  article_is_new=true

else
  # Check corrupted file
  Hash_DB=`cksum "$gsl_file_db_post" | awk '{print $1}'`
  if ! [[ -f $gsl_file_db_post_hash.$Hash_DB ]];then
    db_corrupt=true
    [[ `grep "article_Status_www=" "$gsl_file_db_post"` \
    || `grep "article_Status_wip=" "$gsl_file_db_post"` ]] \
      || return
  fi
  
  source "$gsl_file_db_post"
fi
}


#======================================================================
# Compare post Hash from Database
#======================================================================
DB__compare_hash() {
case "$1" in
  check)
    gsl_do_check=true
    [[ $article_is_new ]] && return
    
    [[ $db_corrupt ]] && gsl_force_check=true

    if [[ $article_Errors == "no" ]];then
      if (( $article_Hash == $article_Status_chk ));then
        if ! [[ $gsl_force_check ]];then
          gsl__logs_print -w -g -C \
            "Already done ; Use -F to force" \
            "$PWD/$gsl_post"
          unset gsl_do_check
        fi
      
      else
        gsl__logs_print -w -g \
          "Compare" \
          "Old Hash: $article_Status_chk" \
          "${PWD}/$gsl_post"
      fi
    fi
    ;;
  
  make|www)
    [[ $db_corrupt ]] \
      && gsl__logs_print -e -D -f \
        "Corrupted ; Check again first" \
        "$gsl_file_db_post" \
      && return
  
    [[ $article_is_new ]] && return
    if (( $article_Hash != $article_Status_chk ));then
      gsl__logs_print -e -A -inv \
        "Article not checked yet" \
        "$PWD/$gsl_post" 
      return
      
    elif [[ $article_Errors == "yes" ]];then
      gsl__logs_print -e -A -inv \
        "Found errors ; Cannot continue" \
        "$PWD/$gsl_post"
      return
    fi
    
    gsl_do_make=true
    ;;
esac
}


#======================================================================
# Logger
#======================================================================
DB__create_log() {
gsl__logs_print -i -D -c \
  "$article_Type ; Hash: $article_Hash" \
  "$gsl_file_db_post"
}


#======================================================================
# Set Post Statuses (chk, wip, www) in Database according to proceess
#======================================================================
DB__set_status() {
case "$1" in
  chk)
    article_Status_chk="article_Status_chk=$article_Hash"
    ! [[ $article_Status_wip ]] \
      && article_Status_wip="article_Status_wip=0" \
      || article_Status_wip="article_Status_wip=$article_Status_wip"
    
    ! [[ $article_Status_www ]] \
      && article_Status_www="article_Status_www=0" \
      || article_Status_www="article_Status_www=$article_Status_www"
      
    DB__create_datas
    DB__create_sum
    ;;
  
  wip)
    sed -i "s/article_Status_wip=.*/article_Status_wip=$article_Hash/" \
           "$gsl_file_db_post"
    DB__create_sum
    ;;
  
  wip-del)
    sed -i "s/article_Status_wip=.*/article_Status_wip=0/" \
           "$gsl_file_db_post"
    DB__create_sum
    ;;
  
  www)
    sed -i "s/article_Status_www=.*/article_Status_www=$article_Hash/" \
           "$gsl_file_db_post"
    DB__create_sum
    ;;
  
  www-del)
    sed -i "s/article_Status_www=.*/article_Status_www=0/" \
           "$gsl_file_db_post"
    DB__create_sum
    ;;
esac
}


#======================================================================
# Create DB File for this article
#======================================================================
DB__create_datas() {
! [[ -d "$gsl_dir_db_domain" ]] \
  && mkdir -p "$gsl_dir_db_domain"

[[ -f "$gsl_file_db_post" ]] \
  && rm -f "$gsl_file_db_post"

rm -f "$gsl_file_db_post_hash."*
touch "$gsl_file_db_post"

# Main Print
cat << EODB > "$gsl_file_db_post"
# File
article_domain="$domain_name"
article_URI="${PWD}/$gsl_post"
$article_Status_chk
$article_Status_wip
$article_Status_www
article_epoch=$date_epoch

# Article
article_Errors="$article_Errors"
article_Type=$gsl_post_type
article_CSS="$gsl_post_css"
article_Date="$gsl_post_date"
article_Title="$gsl_post_title"
article_Info="$gsl_post_info"
article_Slug="$gsl_post_slug"
article_Author="$gsl_post_author"
article_Tags="$gsl_post_tags"

# Import
$(cat "$gsl_tmp_db")

# Stats
stat_Titles=$gsl_stat_titles
stat_Tags=$gsl_stat_tags
stat_Words=$gsl_stat_words
stat_Paragraphs=$gsl_stat_p
stat_Links=$gsl_stat_links
stat_Links_Online=$gsl_stat_links_online
stat_ABBRS=$gsl_stat_abbrs
stat_Strongs=$gsl_stat_strongs
stat_Bolds=$gsl_stat_bolds
stat_Emphasis=$gsl_stat_italics
stat_Strikes=$gsl_stat_strikes
stat_Icodes=$gsl_stat_icodes
stat_Lists=$gsl_stat_lists
stat_Lists_Items=$gsl_list_items
stat_Quotes=$gsl_stat_bq
stat_Images=$gsl_stat_images
stat_max_Images=$gsl_total_images
stat_Flinks=$gsl_stat_flinks
stat_Fcodes=$gsl_stat_fcodes
stat_max_Fcodes=$gsl_total_fcodes
stat_Fbruts=$gsl_stat_fbruts
stat_max_Fbruts=$gsl_total_fbruts
EODB
}


#======================================================================
# Create DB File.HASH for this article (avoid corruption)
#======================================================================
DB__create_sum() {
if [[ -f "$gsl_file_db_post" ]];then
  Hash_DB=`cksum "$gsl_file_db_post" | awk '{print $1}'`
  rm -f "$gsl_file_db_post_hash."*
  touch "$gsl_file_db_post_hash.$Hash_DB"
  source "$gsl_file_db_post"
  DB__create_log "$1"
fi
}