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Select multiple objects in OQL (beta, for integration within the UI)

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SVN:trunk[327]
This commit is contained in:
Romain Quetiez
2010-04-13 09:42:22 +00:00
parent 646ab068da
commit 5d46a94ddf
9 changed files with 3734 additions and 3600 deletions
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87
core/dbobjectsearch.class.php
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@@ -43,9 +43,8 @@ define('SIBUSQLTHISREGEXP', "/this\\.(.*)/U");
*/
class DBObjectSearch
{
private $m_sClass;
private $m_sClassAlias;
private $m_aClasses; // queried classes (alias => class name)
private $m_aSelectedClasses; // selected for the output (alias => class name)
private $m_oSearchCondition;
private $m_aParams;
private $m_aFullText;
@@ -59,9 +58,10 @@ class DBObjectSearch
assert('is_string($sClass)');
assert('MetaModel::IsValidClass($sClass)'); // #@# could do better than an assert, or at least give the caller's reference
// => idee d'un assert avec call stack (autre utilisation = echec sur query SQL)
if (empty($sClassAlias)) $sClassAlias = $sClass;
$this->m_sClass = $sClass;
$this->m_sClassAlias = $sClassAlias;
$this->m_aSelectedClasses = array($sClassAlias => $sClass);
$this->m_aClasses = array($sClassAlias => $sClass);
$this->m_oSearchCondition = new TrueExpression;
$this->m_aParams = array();
@@ -71,6 +71,38 @@ class DBObjectSearch
$this->m_aRelatedTo = array();
}
public function GetClassName($sAlias) {return $this->m_aClasses[$sAlias];}
public function GetJoinedClasses() {return $this->m_aClasses;}
public function GetClass()
{
return reset($this->m_aSelectedClasses);
}
public function GetClassAlias()
{
reset($this->m_aSelectedClasses);
return key($this->m_aSelectedClasses);
}
public function SetSelectedClasses($aNewSet)
{
$this->m_aSelectedClasses = array();
foreach ($aNewSet as $sAlias => $sClass)
{
if (!array_key_exists($sAlias, $this->m_aClasses))
{
throw new CoreException('Unexpected class alias', array('alias'=>$sAlias, 'expected'=>$this->m_aClasses));
}
$this->m_aSelectedClasses[$sAlias] = $sClass;
}
}
public function GetSelectedClasses()
{
return $this->m_aSelectedClasses;
}
public function IsAny()
{
// #@# todo - if (!$this->m_oSearchCondition->IsTrue()) return false;
@@ -173,9 +205,9 @@ class DBObjectSearch
}
if (!empty($sConditionDesc))
{
return "Objects of class '$this->m_sClass', $sConditionDesc";
return "Objects of class '".$this->GetClass()."', $sConditionDesc";
}
return "Any object of class '$this->m_sClass'";
return "Any object of class '".$this->GetClass()."'";
}
protected function TransferConditionExpression($oFilter, $aTranslation)
@@ -190,7 +222,6 @@ class DBObjectSearch
{
$this->m_oSearchCondition = new TrueExpression();
// ? is that usefull/enough, do I need to rebuild the list after the subqueries ?
// $this->m_aClasses = array($this->m_sClassAlias => $this->m_sClass);
}
public function AddConditionExpression($oExpression)
@@ -205,8 +236,8 @@ class DBObjectSearch
// #@# todo - obsolete smoothly, first send exceptions
// throw new CoreException('SibusQL has been obsoleted, please update your queries', array('sibusql'=>$sQuery, 'oql'=>$oFilter->ToOQL()));
MyHelpers::CheckKeyInArray('filter code', $sFilterCode, MetaModel::GetClassFilterDefs($this->m_sClass));
$oFilterDef = MetaModel::GetClassFilterDef($this->m_sClass, $sFilterCode);
MyHelpers::CheckKeyInArray('filter code', $sFilterCode, MetaModel::GetClassFilterDefs($this->GetClass()));
$oFilterDef = MetaModel::GetClassFilterDef($this->GetClass(), $sFilterCode);
if (empty($sOpCode))
{
@@ -216,7 +247,7 @@ class DBObjectSearch
// Preserve backward compatibility - quick n'dirty way to change that API semantic
//
$oField = new FieldExpression($sFilterCode, $this->m_sClassAlias);
$oField = new FieldExpression($sFilterCode, $this->GetClassAlias());
switch($sOpCode)
{
case 'SameDay':
@@ -286,14 +317,20 @@ class DBObjectSearch
protected function AddToNameSpace(&$aClassAliases, &$aAliasTranslation)
{
$sOrigAlias = $this->m_sClassAlias;
$sOrigAlias = $this->GetClassAlias();
if (array_key_exists($sOrigAlias, $aClassAliases))
{
$this->m_sClassAlias = MetaModel::GenerateUniqueAlias($aClassAliases, $sOrigAlias, $this->m_sClass);
$sNewAlias = MetaModel::GenerateUniqueAlias($aClassAliases, $sOrigAlias, $this->GetClass());
$this->m_aSelectedClasses[$sNewAlias] = $this->GetClass();
unset($sOrigAlias, $this->m_aSelectedClasses[$sNewAlias]);
// Translate the condition expression with the new alias
$aAliasTranslation[$sOrigAlias]['*'] = $this->m_sClassAlias;
$aAliasTranslation[$sOrigAlias]['*'] = $sNewAlias;
}
// add the alias into the filter aliases list
$aClassAliases[$this->GetClassAlias()] = $this->GetClass();
foreach($this->m_aPointingTo as $sExtKeyAttCode=>$oFilter)
{
$oFilter->AddToNameSpace($aClassAliases, $aAliasTranslation);
@@ -429,12 +466,6 @@ class DBObjectSearch
}
}
public function GetClassName($sAlias) {return $this->m_aClasses[$sAlias];}
public function GetClasses() {return $this->m_aClasses;}
public function GetClass() {return $this->m_sClass;}
public function GetClassAlias() {return $this->m_sClassAlias;}
public function GetCriteria() {return $this->m_oSearchCondition;}
public function GetCriteria_FullText() {return $this->m_aFullText;}
public function GetCriteria_PointingTo($sKeyAttCode = "")
@@ -636,7 +667,10 @@ class DBObjectSearch
$bRetrofitParams = true;
}
$sRes = "SELECT ".$this->GetClass().' AS '.$this->GetClassAlias();
$sSelectedClasses = implode(', ', array_keys($this->m_aSelectedClasses));
$sRes = 'SELECT '.$sSelectedClasses.' FROM';
$sRes .= ' '.$this->GetClass().' AS '.$this->GetClassAlias();
$sRes .= $this->ToOQL_Joins();
$sRes .= " WHERE ".$this->m_oSearchCondition->Render($aParams, $bRetrofitParams);
@@ -912,6 +946,19 @@ class DBObjectSearch
}
}
// Check and prepare the select information
$aSelected = array();
foreach ($oOqlQuery->GetSelectedClasses() as $oClassDetails)
{
$sClassToSelect = $oClassDetails->GetValue();
if (!array_key_exists($sClassToSelect, $aAliases))
{
throw new OqlNormalizeException('Unknown class [alias]', $sQuery, $oClassDetails, array_keys($aAliases));
}
$aSelected[$sClassToSelect] = $aAliases[$sClassToSelect];
}
$oResultFilter->SetSelectedClasses($aSelected);
$oConditionTree = $oOqlQuery->GetCondition();
if ($oConditionTree instanceof Expression)
{