<?php
/**
 * Copyright 1999 - 2003 by Gero Kohnert
 *
 *  CVS Info:  $Id: team.pinc,v 1.12 2005/01/17 05:11:26 saraj Exp $
 *  $Author: saraj $
 */

/**
 * a team (group of TUTOS users)
 * @modulegroup team
 * @module team
 * @package team
 */
class team extends tutos_base {
  /**
   * initialize
   */
  function team(&$dbconn) {
    global $current_user,$tutos;

    $this->init($dbconn);

    $this->name     = "Unknown Team";
    $this->member   = array();
    $this->ids      = array();
    $this->p        = array();
    for ( $i = -1 ; $i > -100 ; $i-- ) {
      if ( isset($tutos[$i]) ) {
        $this->p[$i]  = 0;
      }
    }
    $this->email    = "";
    $this->owner    = $current_user;
    $this->teamlist = array();

    $this->tablename  = $this->dbconn->prefix ."teams";
    $this->tablename2 = $this->dbconn->prefix ."adrteam";
  }
  /**
   * Read all a result
   */
  function read($id,&$obj) {
    global $g_hash,$lang,$current_user;

    if ( -1 == $id ) return;


    # Extra handling of virtual team 0
    if ( $id == 0 ) {
      $query = "SELECT adr_id FROM ". $obj->dbconn->prefix ."people";
      $result = $obj->dbconn->Exec($query);
      $n = $result->numrows();
      if ( 0 == $n) {
        $this->ids[$current_user->id] = 1 ;
      }
      $a = 0;
      $obj->id       =  $id;
      $obj->name     =  $lang['everybody'];
      $obj->owner    =  $current_user;
      $obj->creation =  new DateTime();

      while ( $a < $n ) {
        $obj->ids[$result->get($a, "adr_id")] = 1 ;
        $a++;
      }
      $g_hash[$obj->id] = &$obj;
      return $obj;
    }
    $obj = parent::read($id,$obj);
	return $obj;
  }
  /**
   * Read all a result
   */
  function read_result(&$r,$pos) {
    $this->name     =  $r->get($pos, "name");
    $this->email    =  $r->get($pos, "email");
    $cid = $r->get($pos, "owner");

    $this->owner       = getObject($this->dbconn,$cid);
    $this->creator     = getObject($this->dbconn,$r->get($pos, "creator"));

    $this->ids[$cid] = 1;

    parent::read_result($r,$pos);

    # Teammember IDS
    $q = "SELECT adr_id FROM ". $this->tablename2 ." WHERE team_id =". $this->id;
    $r2 = $this->dbconn->Exec($q);
    $n = $r2->numrows();
    $a = 0;
    while ( $a < $n ) {
      $this->ids[$r2->get($a, "adr_id")] = 1;
      $a++;
    }
    $r2->free();

    return;
  }
  /**
   * create address object for all teammembers
   */
  function read_member() {
    if ( count($this->member) > 0 ) {
      return;
    }
    $this->member = array();

    if ( $this->id == 0 ) {
      $q = "SELECT a.id as id FROM ". $this->dbconn->prefix ."addresses a,". $this->dbconn->prefix ."people p WHERE a.id = p.adr_id ";
      $q .= " ORDER by a.l_name";
    } else {
      $q = "SELECT t.adr_id as id FROM ".  $this->tablename2 ." t WHERE t.team_id =". $this->id;
    }
    $result = $this->dbconn->Exec($q);
    $n = $result->numrows();
    $a = 0;
    while ( $a < $n ) {
      $aid = $result->get($a, "id");
      $x = new tutos_address($this->dbconn);
      $x = $x->read($aid,$x);
      if (is_Object($x) && ($x->id == $aid) ) {
        $this->member[$x->id] = &$x;
      } else {
        # try recursion
        $x = new team($this->dbconn);
        $x = $x->read($aid,$x);
        if ($x->id == $aid) {
          $this->member[$x->id] = &$x;
        }
      }
      $a++;
      unset($x);
    }
    $result->free();
  }

  /**
   * fill the internal neighbour list with possible objects where a object
   * currently attached/referncing to THIS could be reattached
   */
  function getNeighbours () {
    global $lang;

    if (count ($this->neighbours) > 0 ) return $this->neighbours;

    parent::getNeighbours();

    # Possible new parents are all teams below or above
    $this->read_member();
    foreach ($this->member as $a => $b) {
      if ( ($b->getType() == 'team') && $b->use_ok() ) {
        $this->neighbours[$a] = &$b;
        unset($b);
      }
    }
    team::obj_read($this);
    foreach ($this->teamlist as $a => $b) {
      $b = new team($this->dbconn);
      $b = $b->read($a,$b);
      $this->neighbours[$a] = &$b;
      unset($b);
    }

    return $this->neighbours;
  }

  /**
   * search for a team 
   * filling a array with possible teams
   */
  function search_by_name(&$arr,&$user,$name) {
    if ( trim($name) == "" ) return;

    $q = "SELECT * from ". $user->dbconn->prefix ."teams WHERE". $user->dbconn->Like ("name",$name);
    $q .= " order by name ";
    check_dbacl( $q, $user->id);
    $r = $user->dbconn->Exec($q);
    $n = $r->numrows();
    $a = 0;
    while ( $a < $n ) {
      $x = new team($user->dbconn);
      $x->read_result($r,$a);
      $arr[$x->id] = &$x;
#     echo $x->getFullName() ."<br>";
      unset($x);
      $a++;
    }
    $r->free();

    return;
  }

  /**
   * check if the given address is a teammember
   */
  function is_member(&$adr) {
    @reset($this->member);
    while( list ($i,$f) = @each ($this->member)) {
      if ( $f->id == $adr->id ) {
        return 1;
      }
    }
    return 0;
  }
  /**
   * Return the Short Name
   */
  function getShortname() {
    return $this->name;
  }
  /**
   * get the full visible team name
   */
  function getFullName() {
    return $this->name;
  }
  /**
   * fill mailing list with address/team objects or mail addresses
   * this will work recursive and add all members
   * and subteam members to the given mailing list
   */
  function fill_maillist(&$ml) {
    $this->read_member();

    foreach($this->member as $i => $obj) {
      if ($obj->gettype() == "team") {
        if (!isset($ml[$obj->id])) {
          $ml[$obj->id] = &$obj;
          $obj->fill_maillist($ml);
        }
      } else {
        $ml[$obj->id] = &$obj;
      }
      unset($obj);
    }
    return;
  }
  /**
   * get a email_address
   */
  function default_email() {
    return $this->email;
  }
  /**
   * Return a Mail link for all team members
   */
  function getMailUrl() {
    global $current_user,$lang,$tutos;

    if ( $current_user->feature_ok(usemail,PERM_NEW) && ($tutos[mailmode] != 0) ) {
      return "mail_new.php?toid=".$this->id ."&subject=". UrlEncode($lang['Team']." ".$this->getFullName() );
    }
    $x = "";
    $sep = "";
    foreach($this->member as $i => $f) {
      $e = $f->default_email();
      if ( !empty($e) ) {
        $fn = $f->getFullname();
        $x .= " ". $sep . $fn ."<". trim($e) .">";
        $sep = ",";
      }
    }
    $x .= "?subject=". $lang['Team'] ." ". $this->getFullName();
    return "mailto:".$x;
  }
  /**
   * Return a Mail link for all team members
   */
  function getMailLink(&$user,$text = "") {
    global $lang;

    if ($this->id < 0) {
      return;
    }
    if ( 0 == count($this->member) ) {
      return;
    }
    return array( url => $this->getMailUrl(),
                  text => ($text == "" ? $lang['TeamMail'] : $text),
                  info => sprintf($lang['TeamMailInfo'], $this->name),
                  category => array("mail","module","team")
                );

    return $x;
  }
  /**
   * Return a Calendar link for all team members
   */
  function getCalLink(&$user,$text = "") {
    global $lang;

    if ($this->id < 0) {
      return;
    }
    if ( 0 == count($this->member) ) {
      return;
    }
    if ( ! $user->feature_ok(usecalendar,PERM_SEE) ) {
      return;
    }

    return array( url => "calendar.php?team=". $this->id,
#                  image => $user->layout->theme->getImage(appointment::getHtmlIcon(),'list'),
                  text => ($text == "" ? $lang['Calendar'] : $text),
                  info => sprintf($lang['TeamApps'], $this->name),
                  category => array("app","module","team")
                );

  }
  /**
   * Return a url to this team
   */
  function getURL() {
    return "team_show.php?id=". $this->id;
  }
  /**
   * Return a url to modify this team
   */
  function getModURL() {
    return "team_new.php?id=". $this->id;
  }
  /**
   * Return a url to delete this team
   */
  function getDelURL() {
    return "team_del.php?id=". $this->id;
  }
  /**
   * Return a link to this team
   */
  function getLink($text = "") {
    global $lang;

    if (empty($this->id)) return;

    if ( empty($text) ) {
      $text = $this->name;
    }
    if ( $this->see_ok() ) {
      return makelink($this->getUrl() ,myentities($text),sprintf($lang['TeamLinkInfo'], $this->name));
    } else {
      return myentities($text);
    }
  }
  /**
   * set the team name
   */
  function setName($value) {
    return $this->setStrField("name",trim($value),"Team");
  }
  /**
   * set the teams email
   */
  function setEmail($value) {
    return $this->setStrField("email",trim($value),"AdrEmail");
  }
  /**
   * set the team manager
   */
  function setOwner(&$value) {
    if ( $this->owner->id != $value->id ) {
      $this->modified[] = array ( "field" => "TeamManager", "old" => $this->owner->id , "new" => $value->id );
      $this->owner = $value;
      return 1;
    }
    return 0;
  }
  /**
   * Save the tema info
   *
   * add =  array of userids to add to the team
   * del =  array of userids to delete from the team
   */
  function save($add,$del) {
    global $tutos,$current_user,$table;

    $msg = "";
    $q = new query($this->dbconn);
    $q->setTable($this->tablename);
    $q->addFV("name",$this->name,"STRING",$table['team']['name'][size]);
    $q->addFV("owner",$this->owner,"OBJ");
    $q->addFV("email",$this->email,"STRING",$table['team']['email'][size]);
    $q->addFV("creator",$this->creator,"OBJ");

    if ( $this->id < 0 ) {
      $this->modified = array();
      if ( isset($this->newid) ) {
        $this->id = $this->newid;
        $q->addFV("id",$this->id,"");
      } else {
        $this->id = $q->addFV("id",-1,"NEXTID");
        acl_default($this,$current_user);
        $this->modified[] = array ( "field" => "created" ,
                                    "old" => $this->getType() ,
                                    "new" => $this->id,
                                    "obj_id" => $this->id
                                  );
        acl_raise($this,$this->owner->id,$tutos[delok]);
      }
      $q->addFV("creation",$this->creation,"DATETIME");

      $query = $q->getInsert();
    } else {
      $q->addWC("id",$this->id,"");
      $query = $q->getUpdate();
    }

    $this->dbconn->Exec($query);

    if ( count($add) > 0 ) {
      foreach($add as $i => $f) {
        if ( $f == "" ) {
          continue;
        }
        $q = "DELETE FROM ". $this->tablename2 ." WHERE adr_id = ". $f ." AND team_id = ". $this->id;
        $this->dbconn->Exec($q);
        $q = "INSERT INTO ". $this->tablename2 ." (adr_id,team_id ) VALUES (". $f .",". $this->id .")";
        $this->dbconn->Exec($q);
        $x = new tutos_user($this->dbconn);
        $x = $x->read($f,$x);
        acl_raise($this,$f,$tutos[seeok]);
        acl_raise($x,$this->id,$tutos[seeok]);
        #acl_save($x);
        $this->modified[] = array ( "field" => "TeamAdd" ,
                                    "old" => "-1",
                                    "new" => $f,
                                    "obj_id" => $this->id
                                  );
        unset($x);
      }
    }
    # Remove team where we are member
    team::obj_read($this);
    foreach ($this->teamlist as $aid => $f) {
      $del[] = $aid;
    }
    if ( count($del) > 0 ) {
      foreach($del as $i => $f) {
        if ( $f == "" ) {
          continue;
        }
        $q = "DELETE FROM ". $this->tablename2 ." WHERE adr_id = ". $f ." AND team_id = ". $this->id;
        $this->dbconn->Exec($q);
        acl_set($this,$f,0);
        $x = new tutos_user($this->dbconn);
        $x = $x->read($f,$x);
        acl_set($x,$this->id,0);
        acl_save($x);
        $this->modified[] = array ( "field" => "TeamDel" ,
                                    "old" => $f,
                                    "new" => "-1",
                                    "obj_id" => $this->id
                                  );
        unset($x);
      }
    }

    acl_raise($this,$this->id,$tutos[seeok]);

    $msg .= parent::save();
    return $msg;
  }
  /**
   * delete the team from the database
   */
  function delete() {
    global $current_user;
    $msg = "";

    $q = "DELETE FROM ". $this->tablename ." WHERE id = ". $this->id;
    $this->dbconn->Exec($q);

    $q = "DELETE FROM ". $this->tablename2 ." WHERE team_id = ". $this->id;
    $this->dbconn->Exec($q);

    $msg .= product::obj_delete($current_user,$this);
    $msg .= appointment::obj_delete($current_user,$this);
    $msg .= parent::delete();
    return $msg;
  }
  /**
   * This is not a user
   */
  function isUser () {
    return 0;
  }
  /**
   * Read and set the feature permissions which this team has
   * feature permissions have an ID < 0
   */
  function read_permissions() {
    global $lang,$tutos;

    for ( $i1 = -1 ; $i1 > -100 ; $i1-- ) {
      $this->p[$i1] = 0;
    }
    $q = "SELECT * FROM ". $this->dbconn->prefix ."acl where obj_id < 0 AND adr_id = ". $this->id;
    $r = $this->dbconn->Exec($q);
    $n = $r->numrows();
    $a = 0;
    while ( $a < $n ) {
      $p = $r->get($a, "perm");
      $obj_id = (integer)$r->get($a, "obj_id");
      $a++;
      if ( ! isset ($tutos[$obj_id]) ) {
        continue;
      }
      if ($tutos[$obj_id] == 1) {
        $this->p[$obj_id] = $p;
      } else {
        $this->p[$obj_id] = $tutos[$obj_id];
      }
    }
    $r->free();

    if (isset($tutos[useaddressbook])) {
      $this->p[uselocation] = $this->p[useaddressbook];
      $this->p[usecompany] = $this->p[useaddressbook];
      $this->p[usedepartment] = $this->p[useaddressbook];
    }
  }
  /**
   * Save the permissions of this team
   * feature permissions have an ID < 0
   */
  function save_permissions() {
    $msg = "";
    $q = "DELETE FROM ". $this->dbconn->prefix ."acl where obj_id < 0 AND adr_id = ". $this->id;
    $this->dbconn->Exec($q);

    @reset ($this->p);
    while( list ($i,$f) = @each ($this->p)) {
      $q = "INSERT INTO ". $this->dbconn->prefix ."acl (obj_id,adr_id,perm) VALUES (". $i .",". $this->id .",". $f .")";
      $this->dbconn->Exec($q);
    }
    return $msg;
  }
  /**
   * get the type of object
   */
  function gettype () {
    return "team";
  }
  /**
   * get the type id of object
   */
  function gettypeid () {
    return useteams;
  }
  /**
   * get the type id of object
   */
  function getHtmlIcon () {
    return 'teams';
  }
  /* ---------------------------------------------------------------------------
   * The following methods are abstract factory functions for groups
   * which handle the membership list of an object
   * --------------------------------------------------------------------------- */
  /**
   * a object that uses this team is deleted
   */
  Function obj_delete(&$user,&$obj) {
    $msg = "";
    $obj->dbconn->Exec("DELETE FROM ". $obj->dbconn->prefix ."adrteam WHERE adr_id =" .$obj->id);
    return $msg;
  }
  /**
   * show a list of teams attached to the given object
   */
  function infolist (&$user,&$obj,$cols,$format = "html") {
    global $lang;

    team::obj_read($obj);

    if ( ! $user->feature_ok(useteams,PERM_SEE) ) {
      return;
    }
    if ( count($obj->teamlist) > 0 ) {
      echo "<tr>\n";
      echo $user->layout->showfield($lang['Teams']);
      echo " <td valign=\"top\" colspan=\"".($cols-1)."\">\n";
      $pre = "";
      foreach ($obj->teamlist as $i => $t) {
        echo $pre. makelink("team_show.php?id=".$i,myentities($t),$t);
        $pre = "<br>\n";
      }
      echo " </td>\n";
      echo "</tr>\n";
    }
  }

  /**
   * read teams via int id
   */
  function obj_read_int(&$obj,$id,$level = 0) {
    $q = "SELECT DISTINCT id,name from ". $obj->dbconn->prefix ."adrteam a, ". $obj->dbconn->prefix ."teams t WHERE a.team_id = t.id AND a.adr_id = ". $id;
    $r = $obj->dbconn->Exec($q);
    $n = $r->numrows();
#   echo $obj->id .":".$id." N:". $n." L:".$level." Q:".$q."<br>";
    $a = 0;
    while ( $a < $n ) {
      $tid = $r->get($a, "id");
      if (!isset($obj->teamlist[$tid])) {
        $obj->teamlist[$tid] = $r->get($a, "name");
        team::obj_read_int($obj,$tid,($level +1));
      }
      $a++;
    }
    $r->free();
    return;
  }
  /**
   * Return Info about connected teams to a object (address/user/team)
   */
  function obj_read(&$obj) {
    if ( $obj == -1 ) return; 
    if (! is_object($obj) ) return;
    if ( ! isset($obj->id) )  return;

    if ( isset($obj->teamlist) && count($obj->teamlist) > 0 ) {
      return;
    }
    $obj->teamlist = array();
   # team::obj_read_int($obj,$obj->id);
  }
  /**
   * create a link to a overview page
   */
  function getOverviewLink (&$user,$text = "") {
    global $lang,$tutos;

    if ( ! $user->feature_ok(useteams,PERM_SEE) ) {
      return;
    }
    return array( url => "team_overview.php",
                  image => $user->layout->theme->getImage(team::getHtmlIcon(),'menu'),
                  text => ($text == "" ? $lang['TeamOverview'] : $text),
                  info => $lang['TeamOverviewInfo'],
                  category => array("overview","team")
                );
  }
  /**
   * create a link to a overview page
   */
  function getSelectLink (&$user,$text = "") {
    global $lang,$tutos;

    if ( ! $user->feature_ok(useteams,PERM_SEL) ) {
      return;
    }
    return array( url => "team_select.php",
                  image => $user->layout->theme->getImage(team::getHtmlIcon(),'menu'),
                  text => ($text == "" ? $lang['Teams'] : $text),
                  info => $lang['SearchForTeam'],
                  category => array("search","team")
                );
  }
  /**
   * get the help index
   */
  function getHelpIndex () {
    global $lang;

	$r = "";
    $r .= "<h3>". makelink("help.php?p=glossary#team",$lang["Teams"],$lang["Teams"]) ."</h3><ul>\n";
    $r .= "<li>". makelink("help.php?p=team_show",$lang["show"],$lang["show"]) ."</li>\n";
    $r .= "<li>". makelink("help.php?p=team_new",$lang['NewEntry']."/". $lang['Modify'],$lang['NewEntry']."/". $lang['Modify']) ."</li>\n";
    $r .= "</ul>\n";
	echo $r;
  }
}
?>