#!/bin/bash
# Name: Statique Littérateur
# Type: Database manager
# file: manage__db
# Folder: /var/lib/stl/scripts/
# By echolib (XMPP: im@echolib.re)
# License: GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007

#------------
# funny stats
#------------
# lines: 339
# functions: 7
#-----------------------------------------------------------------------

#**********************************************************************

#======================================================================
# argument: db
#======================================================================
db__OPTIONS() {
  case "$2" in
    *".stl")
      unset article_log
      article__hash "$2"
      
      if ! [[ -f "$domain_db_articles/$article_db" ]];then
        echo "! No database yet for this article"

      else
        cat "$domain_db_articles/$article_db"
      fi
      exit
      ;;

    ''|list)
      db__list
      ;;
      
    sidebar)
      db_sidebar=true
      db__list
      ;;

    *)
      noarg "$2"
      ;;
  esac
}


#======================================================================
# - Check if db exists for this article
# - Source database
# - Compare article hash and chk one in db
# $1: article_db (ID from uri_article)
#======================================================================
if__article_db() {
db_file="$domain_db_articles/$1"
if [[ -f "$db_file" ]];then
  source "$db_file"
  compare__db
  db_exists=true
fi
}


#======================================================================
# Compare article from DB to know if check is needed
#======================================================================
compare__db() {
[[ $article_hash != $article_chk_hash ]] \
  && need_check=true

[[ $article_wip_hash ]] && \
[[ $article_chk_hash != $article_wip_hash ]] \
  && old_wip=true \
  && sync_mess="! $this_article is newer (WIP is older)"

if [[ $stl_install == "server" && $article_wip_hash ]] && \
   [[ $article_wip_hash == $article_www_hash ]] && \
   [[ -f $domain_dir_www$article_uri_srv ]];then
  www_is_wip=true
  sync_mess="! $this_article is already up to date online"
  
  # Need to also check each "external" article's files
fi

[[ $article_error == 'yes' ]] \
  && check_force=true
}


#======================================================================
# Print article datas in database
# db_file is URI/$article_db (from article_id)
# $1: $db_file
#======================================================================
db__print() {
! [[ -f "$db_file" ]] \
  && log_db_written="New Datas written" \
  || log_db_written="Datas updated"


# Set some variables
article_page_srv=${article_name/.stl/.html}
article_uri_srv="$article_dir_srv/$article_page_srv"
article_uri_src="$article_dir_srv/$article_name"
[[ $stl_error ]] \
  && article_error='yes' \
  || article_error='no'

cat <<EODBPRINT > "$db_file"
# Database
database_id=$article_id
database_file='$article_id.db'
database_uri='$db_file'

# File metas
article_name='$article_name'
article_size=$article_size

# URI file
article_uri='$uri_article'
article_uri_src='$article_uri_src'

# URI Server
article_dir_srv='$article_dir_srv'
article_page_srv='$article_page_srv'
article_uri_srv='$article_uri_srv'
sub_genuri_srv='$sub_genuri_srv'

# Statuses
article_error='$article_error'
article_chk_hash=$article_hash
article_wip_hash=$article_wip_hash
$(
  [[ "$stl_install" == "server" ]] \
    && echo "article_www_hash=$article_www_hash"
)

# Sidebar
sidebar_position=$sidebar_position

# Article Metas
article_date='$article_Date'
article_timestamp=$date_epoch
article_author="$article_Author"
article_title="$article_Title"
article_about="$article_About"
article_tags="$article_Tags"

# Include files
$(
  cat "$article_tmp_db"
)

# Statistics
article_words=$article_words
article_titles=$stat_titles
article_paragraphs=$stat_paragraphs
article_links=$stat_links
article_quotes=$stat_quotes
article_lists=$stat_lists
article_bolds=$article_bolds
article_strongs=$article_strongs
article_emphasis=$article_emphasis
article_icodes=$article_icodes
article_cross=$article_cross
article_dels=$article_dels

files_images=$stat_images
files_links=$stat_link_files
files_codes=$stat_codes
files_bruts=$stat_bruts
EODBPRINT

this_article="$db_file"
log__add -i -db -W \
         "'$article_Title'. $log_db_written" 
}


#======================================================================
# Print all databases in a table with article datas
#======================================================================
db__list() {
domain__get
db_tmp_list=`mktemp`
[[ "$stl_install" == "server" ]] \
  && echo "0|ID|TITLE|ERROR|DATE|AUTHOR|CHECK|WIP|SIDEBAR|WWW" \
       >> "$db_tmp_list" \
  || echo "0|ID|TITLE|ERROR|DATE|AUTHOR|CHECK|WIP|SIDEBAR" \
       >> "$db_tmp_list"

while read -r "db_file"
do
  
  source "$db_file"
  if [[ $db_sidebar ]];then
    if ! [[ $sidebar_position ]];then
      continue
    
    else
      db_nbr=$sidebar_position
    fi
  
  else
    ((db_nbr++))
  fi
  
  [[ $article_chk_hash != $article_wip_hash ]] \
    && wip_status="${CY}$article_wip_hash${NC}" \
    || wip_status="$article_wip_hash"

  [[ $article_error == "yes" ]] \
    && err_status="${CR}$article_error${NC}" \
    || err_status="$article_error"

  printf '%s%s%s%b%s%s%s%b%s' \
         "$db_nbr|" \
         "$database_id|" \
         "$article_title|" \
         "$err_status|" \
         "$article_date|" \
         "$article_author|" \
         "$article_chk_hash|" \
         "$wip_status|" \
         "$sidebar_position|" \
      >> "$db_tmp_list"
      
  if [[ "$stl_install" == "server" ]];then
    printf '%s%s\n' \
           "$article_www_hash" \
        >> "$db_tmp_list"
  fi

done < <(ls -1 "$domain_db_articles/"*.db 2>/dev/null)

if ! (( `cat "$db_tmp_list" | wc -l` > 1 ));then
  exit

else
  if [[ $db_sidebar ]];then
    cat "$db_tmp_list" | column -t -s'|' -o'  ' | sort -k1
  
  else
    cat "$db_tmp_list" | column -t -s'|' -o'  '
  fi
  
  rm -f "$db_rmp_list"
fi
exit
}


#======================================================================
# Get articles from database, with wip status
# Generic function to :
# - "set_www_hash" for stl publish all
# - "stats" create stats
# $1: set_www_hash
#======================================================================
db__get_wip_articles() {
while IFS=: read -r 'db_file' 'article_wip'
do
  [[ `awk -F= '{print $2}' <<<"$article_wip"` -gt 0 ]] || continue

  source "$db_file"
  this_article="$article_uri_src"

  case "$1" in
    # From sync_wip_to_www() ; manage__HTML
    set_www_hash)
      db__srv_status_hash WWW Set
      ;;

    # Generate statistics
    stats)
      case "$stl_install" in
        server)
          [[ $article_www_hash -gt 0 ]] || continue

          ((stat_articles_www++))
          article_words_www=$((article_words + article_words_www))
          article_titles_www=$((article_titles + article_titles_www))
          article_paragraphs_www=$((article_paragraphs + article_paragraphs_www))
          article_links_www=$(( article_links + article_links_www))
          article_quotes_www=$((article_quotes + article_quotes_www))
          article_lists_www=$((article_lists + article_lists_www))
          article_bolds_www=$((article_bolds + article_bolds_www))
          article_strongs_www=$((article_strongs + article_strongs_www))
          article_emphasis_www=$((article_emphasis + article_emphasis_www))
          article_icodes_www=$((article_icodes+ article_icodes_www))
          article_cross_www=$((article_cross + article_cross_www))
          article_dels_www=$((article_dels + article_dels_www))
          files_images_www=$((files_images + files_images_www))
          files_links_www=$((files_links + files_links_www))
          files_codes_www=$((files_codes + files_codes_www))
          files_bruts_www=$((files_bruts + files_bruts_www))
          ;;
          
        local)
          ((stat_articles_wip++))
          ;;
      esac
      ;;
  esac

done < <(grep -H "article_wip_hash" "$domain_db_articles/"*.db)
}


#======================================================================
# Set hash wip or www status
# $1: wip,www
# $2: Set, Unset
#======================================================================
db__srv_status_hash() {
[[ "$2" == "Unset" ]] \
  && unset article_hash article_wip_hash

case "$1" in
  WIP)
    log_hash=" $article_hash"
    sed -i "s^article_wip_hash=.*^article_wip_hash=$article_hash^" \
       "$db_file"
    ;;

  WWW)
    log_hash=" $article_wip_hash"
    sed -i "s^article_www_hash=.*^article_www_hash=$article_wip_hash^" \
           "$db_file"
    ;;
esac

# Log
log__add -i -db -A "$2 $1 status: $article_title.$log_hash"
}