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


#======================================================================
# Sidebar: Manage arguments
# Check Article, WIP and Position
#======================================================================
sidebar__OPTIONS() {
case "$2" in
  create)
    domain__get
    sidebar__create_HTML
    return
    ;;
  
  add)
    # Article
    article__hash "$4"

    # Database
    db_file="$domain_db_articles/$article_id.db"
    source "$db_file"

    # Already in sidebar at same position
    [[ "$3" == $sidebar_position ]] \
      && echo "! Article is in sidebar at same position: $3" \
      && return
    
    # Already in sidebar, different position
    [[ $sidebar_position ]] \
      && echo "! Article is in sidebar at position: $sidebar_position" \
      && return

    # WIP check
    ! [[ $article_wip_hash -gt 0 ]] \
      && echo "! Article not yet converted in HTML (wip)" \
      && return

    # Position. Must be 1 to max_items
    if [[ "$3" == *[!0-9]* ]];then
      [[ $sidebar ]] \
        && echo "Use position 1 to $domain_siddebar_items" \
        || noarg "$3" "Use position 1 to $domain_siddebar_items"
    fi

    if (( "$3" == 0 || "$3" > $domain_sidebar_items ));then
      [[ $sidebar ]] \
        && echo "Use position 1 to $domain_siddebar_items" \
        || noarg "$3" "Use position 1 to $domain_siddebar_items"
    fi

    position="$3"
    sidebar_HTML_item="$domain_dir_wip_tpl/.$3.sidebar"
    ;;

  latest|oldest)
    domain__get
    ;;

  *)
    noarg "$2" "Use: add,latest,oldest"
    ;;
esac

# Start process
sidebar__manage "$2" "$position" "$sidebar_HTML_item"
}


#======================================================================
# Sidebar: create /templates/sidebar.html
# $1: Process (add, replace...)
# $2: Position
# $3: file (.POS.sidebar) in wip template
#======================================================================
sidebar__manage() {
case "$1" in
  latest|-l) sort_arg='-k2' ;;
  oldest|-o) sort_arg='-k2r' ;;
esac

case "$1" in
  latest|oldest)  
    sidebar_pos=0
    while IFS=: read -r 'file' 'timestamp'
    do

      ((position++))
      (( $position > $domain_sidebar_items )) \
        && break

      file=`basename "$file"`
      db_file="$domain_db_articles/$file"
      source "$db_file"

      ! [[ $article_wip_hash -gt 0 ]] \
        && continue

      sidebar_HTML_item="$domain_dir_wip_tpl/.$position.sidebar"
      sidebar__create_HTML_item "$sidebar_HTML_item"

    done < <(grep -H "article_timestamp" "$domain_db_articles/"*.db \
                | sort -t= $sort_arg )
    ;;

  add)
    sidebar__create_HTML_item "$3"
    ;;
esac

sidebar__create_HTML "$gsl_dir_domain_tpl/sidebar.html"
}


#======================================================================
# Called from sidebar__create in gsl__post_makers
# file: /var/lib/gsl/domains/DOMAIN/X-tra/sidebar/[POSITION].html
# You can edit this HTML code for your needs
# It can get all Values from Database post
# $1: file ($sidebar_HTML_item)
#======================================================================
sidebar__create_HTML_item() {
create__HTML_translation
cat <<EOSIDEBARITEM > "$1"
              <li class="${domain_css}_list-post-item">
              <a href="$article_uri_srv"
                 class="${domain_css}_list-post-link"
                 title="$stl_read $article_author: $article_title">

                <span class="${domain_css}_list-post-title">$article_title</span>

                <div class="${domain_css}_list-post-metas">
                $stl_the $stl_date $stl_by $article_author
                </div>

                <div class="${domain_css}_list-post-info">
                $article_about
                </div>
              </a>
              </li>
EOSIDEBARITEM

# Log added
log__add -i -S -A "$article_title added to position: $position"

# Unset sidebar position in DB if an article is at position
db_file_sidebar=`
grep -H "sidebar_position=$position" \
        "$domain_db_articles/"*.db  \
   | awk -F: '{print $1}'`

if [[ $db_file_sidebar ]];then
  source "$db_file_sidebar"
  sed -i "s^sidebar_position=.*^sidebar_position=^" "$db_file_sidebar"
  log__add -w -S -A "$article_title removed from position: $position"
fi

# Add value to DB
sed -i "s^sidebar_position=.*^sidebar_position=$position^" "$db_file"
}



#======================================================================
# Create sidebar.html from files .1-max.sidebar
#======================================================================
sidebar__create_HTML() {
[[ -f "$domain_dir_wip_tpl/sidebar.html" ]] \
  && rm -f "$domain_dir_wip_tpl/sidebar.html"

for i in `seq 1 $domain_sidebar_items`
do
  [[ -f "$domain_dir_wip_tpl/.$i.sidebar" ]] \
    && cat "$domain_dir_wip_tpl/.$i.sidebar" \
        >> "$domain_dir_wip_tpl/sidebar.html"
done

this_article="$domain_dir_wip_tpl/sidebar.html"
log__add -i -S WIP "Created items from 1 to $domain_sidebar_items"
}