#!/usr/bin/env bash

### CONSTANTS

SYMPA_CONF=/etc/sympa/sympa/sympa.conf
SYMPA_DOMAIN=$(grep '^domain' "$SYMPA_CONF" | cut -f2)

### FUNCTIONS

function purge {

    # LIB/ARCHIVE
    for arc_entry in /var/lib/sympa/arc/*; do
        arc_name=$(basename "$arc_entry")
        if [[ $arc_name != '*' ]] && [[ $arc_name != *"@$SYMPA_DOMAIN" ]]; then
            rm /var/lib/sympa/arc/"$arc_name" -rf
            echo "archive [$arc_name] removed!"
        fi
    done

    # LIB/BOUNCE
    for bounce_entry in /var/lib/sympa/bounce/*; do
        bounce_name=$(basename "$bounce_entry")
        if [[ $bounce_name != '*' ]] && [[ $bounce_name != *"@$SYMPA_DOMAIN" ]]; then
            rm /var/lib/sympa/bounce/"$bounce_name" -rf
            echo "bounce [$bounce_name] removed!"
        fi
    done

    # SPOOL/DIGEST
    for digest_entry in /var/spool/sympa/digest/*; do
        digest_name=$(basename "$digest_entry")
        if [[ $digest_name != '*' ]] && [[ $digest_name != *"@$SYMPA_DOMAIN"* ]]; then
            rm /var/spool/sympa/digest/"$digest_name" -rf
            echo "digest [$digest_name] removed!"
        fi
    done

    # SPOOL/VIEWMAIL/BOUNCE
    for bounce_entry in /var/spool/sympa/viewmail/bounce/*; do
        bounce_name=$(basename "$bounce_entry")
        if [[ $bounce_name != '*' ]] && [[ $bounce_name != *"@$SYMPA_DOMAIN"* ]]; then
            rm /var/spool/sympa/viewmail/bounce/"$bounce_name" -rf
            echo "viewmail/bounce [$bounce_name] removed!"
        fi
    done

    # SPOOL/VIEWMAIL/MOD
    for mod_entry in /var/spool/sympa/viewmail/mod/*; do
        mod_name=$(basename "$mod_entry")
        if [[ $mod_name != '*' ]] && [[ $mod_name != *"@$SYMPA_DOMAIN"* ]]; then
            rm /var/spool/sympa/viewmail/mod/"$mod_name" -rf
            echo "viewmail/mod [$mod_name] removed!"
        fi
    done

}

function create_temp_dir {
    temp_dir="$SYMPA_DOMAIN-$(date '+%F')"
    mkdir "$temp_dir"
    echo "$temp_dir"
}

function export {
    echo "temp_dir=$temp_dir"
    cd "$temp_dir"

    db_name=sympa
    db_user=sympa
    db_passwd=$(grep '^db_passwd' /etc/sympa/sympa/sympa.conf | cut -f2)
    PGPASSWORD=$db_passwd pg_dump -h localhost -U "$db_user" "$db_name" | gzip >"$db_name.psql.gz"

    cp "$SYMPA_CONF" .
    tar -czvf lib-sympa.tgz /var/lib/sympa
    tar -czvf spool-sympa.tgz /var/spool/sympa

    cd ..
    tar -cf "$temp_dir.sympa" "$temp_dir"
    rm "$temp_dir" -rf
}

### MAIN

set -Eeu

purge