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https://github.com/Combodo/iTop.git
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REST services: alpha2. It is now extensible (implement iRestServiceProvider). Still lacks two verbs: apply_stimulus and delete.
SVN:trunk[2592]
This commit is contained in:
Romain Quetiez
@@ -526,3 +526,425 @@ interface iPageUIExtension
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public function GetBannerHtml(iTopWebPage $oPage);
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}
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/**
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* Implement this interface to add new operations to the REST/JSON web service
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*
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* @package Extensibility
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* @api
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* @since 2.0.1
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*/
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interface iRestServiceProvider
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{
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/**
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* Enumerate services delivered by this class
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* @param string $sVersion The version (e.g. 1.0) supported by the services
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* @return array An array of hash 'verb' => verb, 'description' => description
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*/
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public function ListOperations($sVersion);
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/**
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* Enumerate services delivered by this class
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* @param string $sVersion The version (e.g. 1.0) supported by the services
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* @return RestResult The standardized result structure (at least a message)
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* @throws Exception in case of internal failure.
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*/
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public function ExecOperation($sVersion, $sVerb, $aParams);
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}
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/**
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* Minimal REST response structure. Derive this structure to add response data and error codes.
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*
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* @package Extensibility
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* @api
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* @since 2.0.1
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*/
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class RestResult
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{
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/**
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* Result: no issue has been encountered
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*/
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const OK = 0;
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/**
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* Result: missing/wrong credentials or the user does not have enough rights to perform the requested operation
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*/
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const UNAUTHORIZED = 1;
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/**
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* Result: the parameter 'version' is missing
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*/
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const MISSING_VERSION = 2;
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/**
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* Result: the parameter 'json_data' is missing
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*/
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const MISSING_JSON = 3;
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/**
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* Result: the input structure is not a valid JSON string
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*/
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const INVALID_JSON = 4;
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/**
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* Result: no operation is available for the specified version
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*/
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const UNSUPPORTED_VERSION = 10;
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/**
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* Result: the requested operation is not valid for the specified version
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*/
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const UNKNOWN_OPERATION = 11;
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/**
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* Result: the operation could not be performed, see the message for troubleshooting
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*/
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const INTERNAL_ERROR = 100;
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/**
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* Default constructor - ok!
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*
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* @param DBObject $oObject The object being reported
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* @param string $sAttCode The attribute code (must be valid)
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* @return string A scalar representation of the value
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*/
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public function __construct()
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{
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$this->code = RestResult::OK;
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}
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public $code;
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public $message;
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}
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/**
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* Helpers for implementing REST services
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*
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* @package Extensibility
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* @api
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*/
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class RestUtils
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{
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/**
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* Registering tracking information. Any further object modification be associated with the given comment, when the modification gets recorded into the DB
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*
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* @param StdClass $oData Structured input data. Must contain 'comment'.
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* @return void
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* @throws Exception
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* @api
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*/
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public static function InitTrackingComment($oData)
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{
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$sComment = self::GetMandatoryParam($oData, 'comment');
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CMDBObject::SetTrackInfo($sComment);
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}
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/**
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* Read a mandatory parameter from from a Rest/Json structure.
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*
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* @param StdClass $oData Structured input data. Must contain the entry defined by sParamName.
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* @param string $sParamName Name of the parameter to fetch from the input data
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* @return void
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* @throws Exception If the parameter is missing
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* @api
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*/
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public static function GetMandatoryParam($oData, $sParamName)
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{
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if (isset($oData->$sParamName))
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{
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return $oData->$sParamName;
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}
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else
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{
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throw new Exception("Missing parameter '$sParamName'");
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}
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}
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/**
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* Read an optional parameter from from a Rest/Json structure.
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*
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* @param StdClass $oData Structured input data.
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* @param string $sParamName Name of the parameter to fetch from the input data
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* @param mixed $default Default value if the parameter is not found in the input data
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* @return void
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* @throws Exception
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* @api
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*/
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public static function GetOptionalParam($oData, $sParamName, $default)
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{
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if (isset($oData->$sParamName))
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{
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return $oData->$sParamName;
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}
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else
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{
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return $default;
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}
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}
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/**
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* Read a class from a Rest/Json structure.
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*
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* @param StdClass $oData Structured input data. Must contain the entry defined by sParamName.
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* @param string $sParamName Name of the parameter to fetch from the input data
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* @return void
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* @throws Exception If the parameter is missing or the class is unknown
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* @api
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*/
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public static function GetClass($oData, $sParamName)
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{
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$sClass = self::GetMandatoryParam($oData, $sParamName);
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if (!MetaModel::IsValidClass($sClass))
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{
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throw new Exception("$sParamName: '$sClass' is not a valid class'");
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}
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return $sClass;
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}
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/**
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* Read a list of attribute codes from a Rest/Json structure.
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*
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* @param string $sClass Name of the class
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* @param StdClass $oData Structured input data.
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* @param string $sParamName Name of the parameter to fetch from the input data
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* @return void
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* @throws Exception
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* @api
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*/
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public static function GetFieldList($sClass, $oData, $sParamName)
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{
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$sFields = self::GetOptionalParam($oData, $sParamName, '*');
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$aShowFields = array();
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if ($sFields == '*')
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{
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foreach (MetaModel::ListAttributeDefs($sClass) as $sAttCode => $oAttDef)
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{
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$aShowFields[] = $sAttCode;
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}
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}
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else
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{
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foreach(explode(',', $sFields) as $sAttCode)
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{
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$sAttCode = trim($sAttCode);
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if (($sAttCode != 'id') && (!MetaModel::IsValidAttCode($sClass, $sAttCode)))
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{
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throw new Exception("$sParamName: invalid attribute code '$sAttCode'");
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}
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$aShowFields[] = $sAttCode;
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}
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}
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return $aShowFields;
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}
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/**
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* Read and interpret object search criteria from a Rest/Json structure
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*
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* @param string $sClass Name of the class
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* @param StdClass $oCriteria Hash of attribute code => value (can be a substructure or a scalar, depending on the nature of the attriute)
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* @return object The object found
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* @throws Exception If the input structure is not valid or it could not find exactly one object
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*/
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protected static function FindObjectFromCriteria($sClass, $oCriteria)
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{
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$aCriteriaReport = array();
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if (isset($oCriteria->finalclass))
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{
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$sClass = $oCriteria->finalclass;
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if (!MetaModel::IsValidClass($sClass))
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{
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throw new Exception("finalclass: Unknown class '$sClass'");
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}
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}
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$oSearch = new DBObjectSearch($sClass);
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foreach ($oCriteria as $sAttCode => $value)
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{
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$realValue = self::MakeValue($sClass, $sAttCode, $value);
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$oSearch->AddCondition($sAttCode, $realValue);
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$aCriteriaReport[] = "$sAttCode: $value ($realValue)";
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}
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$oSet = new DBObjectSet($oSearch);
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$iCount = $oSet->Count();
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if ($iCount == 0)
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{
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throw new Exception("No item found with criteria: ".implode(', ', $aCriteriaReport));
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}
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elseif ($iCount > 1)
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{
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throw new Exception("Several items found ($iCount) with criteria: ".implode(', ', $aCriteriaReport));
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}
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$res = $oSet->Fetch();
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return $res;
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}
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/**
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* Find an object from a polymorph search specification (Rest/Json)
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*
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* @param string $sClass Name of the class
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* @param mixed $key Either search criteria (substructure), or an object or an OQL string.
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* @return DBObject The object found
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* @throws Exception If the input structure is not valid or it could not find exactly one object
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* @api
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*/
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public static function FindObjectFromKey($sClass, $key)
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{
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if (is_object($key))
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{
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$res = self::FindObjectFromCriteria($sClass, $key);
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}
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elseif (is_numeric($key))
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{
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$res = MetaModel::GetObject($sClass, $key);
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}
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elseif (is_string($key))
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{
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// OQL
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$oSearch = DBObjectSearch::FromOQL($key);
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$oSet = new DBObjectSet($oSearch);
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$iCount = $oSet->Count();
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if ($iCount == 0)
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{
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throw new Exception("No item found for query: $key");
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}
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elseif ($iCount > 1)
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{
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throw new Exception("Several items found ($iCount) for query: $key");
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}
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$res = $oSet->Fetch();
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}
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else
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{
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throw new Exception("Wrong format for key");
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}
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return $res;
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}
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/**
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* Search objects from a polymorph search specification (Rest/Json)
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*
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* @param string $sClass Name of the class
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* @param mixed $key Either search criteria (substructure), or an object or an OQL string.
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* @return DBObjectSet The search result set
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* @throws Exception If the input structure is not valid
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*/
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public static function GetObjectSetFromKey($sClass, $key)
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{
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if (is_object($key))
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{
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if (isset($oCriteria->finalclass))
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{
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$sClass = $oCriteria->finalclass;
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if (!MetaModel::IsValidClass($sClass))
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{
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throw new Exception("finalclass: Unknown class '$sClass'");
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}
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}
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$oSearch = new DBObjectSearch($sClass);
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foreach ($key as $sAttCode => $value)
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{
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$realValue = self::MakeValue($sClass, $sAttCode, $value);
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$oSearch->AddCondition($sAttCode, $realValue);
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}
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}
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elseif (is_numeric($key))
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{
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$oSearch = new DBObjectSearch($sClass);
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$oSearch->AddCondition('id', $key);
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}
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elseif (is_string($key))
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{
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// OQL
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$oSearch = DBObjectSearch::FromOQL($key);
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$oObjectSet = new DBObjectSet($oSearch);
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}
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else
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{
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throw new Exception("Wrong format for key");
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}
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$oObjectSet = new DBObjectSet($oSearch);
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return $oObjectSet;
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}
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/**
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* Interpret the Rest/Json value and get a valid attribute value
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*
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* @param string $sClass Name of the class
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* @param string $sAttCode Attribute code
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* @param mixed $value Depending on the type of attribute (a scalar, or search criteria, or list of related objects...)
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* @return mixed The value that can be used with DBObject::Set()
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* @throws Exception If the specification of the value is not valid.
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* @api
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*/
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public static function MakeValue($sClass, $sAttCode, $value)
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{
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try
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{
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if (!MetaModel::IsValidAttCode($sClass, $sAttCode))
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{
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throw new Exception("Unknown attribute");
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}
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$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
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if ($oAttDef instanceof AttributeExternalKey)
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{
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$oExtKeyObject = self::FindObjectFromKey($oAttDef->GetTargetClass(), $value);
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$value = $oExtKeyObject->GetKey();
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}
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elseif ($oAttDef instanceof AttributeLinkedSet)
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{
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if (!is_array($value))
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{
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throw new Exception("A link set must be defined by an array of objects");
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}
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$sLnkClass = $oAttDef->GetLinkedClass();
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$aLinks = array();
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foreach($value as $oValues)
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{
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$oLnk = self::MakeObjectFromFields($sLnkClass, $oValues);
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$aLinks[] = $oLnk;
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}
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$value = DBObjectSet::FromArray($sLnkClass, $aLinks);
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}
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}
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catch (Exception $e)
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{
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throw new Exception("$sAttCode: ".$e->getMessage(), $e->getCode());
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}
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return $value;
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}
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/**
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* Interpret a Rest/Json structure that defines attribute values, and build an object
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*
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* @param string $sClass Name of the class
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* @param array $aFields A hash of attribute code => value specification.
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* @return DBObject The newly created object
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* @throws Exception If the specification of the values is not valid
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* @api
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*/
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public static function MakeObjectFromFields($sClass, $aFields)
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{
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$oObject = MetaModel::NewObject($sClass);
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foreach ($aFields as $sAttCode => $value)
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{
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$realValue = self::MakeValue($sClass, $sAttCode, $value);
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$oObject->Set($sAttCode, $realValue);
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}
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return $oObject;
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}
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/**
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* Interpret a Rest/Json structure that defines attribute values, and update the given object
|
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*
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* @param DBObject $oObject The object being modified
|
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* @param array $aFields A hash of attribute code => value specification.
|
||||
* @return DBObject The object modified
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* @throws Exception If the specification of the values is not valid
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* @api
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*/
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public static function UpdateObjectFromFields($oObject, $aFields)
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{
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$sClass = get_class($oObject);
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foreach ($aFields as $sAttCode => $value)
|
||||
{
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$realValue = self::MakeValue($sClass, $sAttCode, $value);
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$oObject->Set($sAttCode, $realValue);
|
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}
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return $oObject;
|
||||
}
|
||||
}
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|
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253
core/restservices.class.inc.php
Normal file
253
core/restservices.class.inc.php
Normal file
@@ -0,0 +1,253 @@
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<?php
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||||
// Copyright (C) 2013 Combodo SARL
|
||||
//
|
||||
// This file is part of iTop.
|
||||
//
|
||||
// iTop is free software; you can redistribute it and/or modify
|
||||
// it under the terms of the GNU Affero General Public License as published by
|
||||
// the Free Software Foundation, either version 3 of the License, or
|
||||
// (at your option) any later version.
|
||||
//
|
||||
// iTop is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU Affero General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU Affero General Public License
|
||||
// along with iTop. If not, see <http://www.gnu.org/licenses/>
|
||||
|
||||
/**
|
||||
* REST/json services
|
||||
*
|
||||
* Definition of common structures + the very minimum service provider (manage objects)
|
||||
*
|
||||
* @package REST Services
|
||||
* @copyright Copyright (C) 2013 Combodo SARL
|
||||
* @license http://opensource.org/licenses/AGPL-3.0
|
||||
* @api
|
||||
*/
|
||||
|
||||
/**
|
||||
* Element of the response formed by RestResultWithObjects
|
||||
*
|
||||
* @package REST Services
|
||||
*/
|
||||
class ObjectResult
|
||||
{
|
||||
public $code;
|
||||
public $message;
|
||||
public $fields;
|
||||
|
||||
/**
|
||||
* Default constructor
|
||||
*/
|
||||
public function __construct()
|
||||
{
|
||||
$this->code = RestResult::OK;
|
||||
$this->message = '';
|
||||
$this->fields = array();
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper to make an output value for a given attribute
|
||||
*
|
||||
* @param DBObject $oObject The object being reported
|
||||
* @param string $sAttCode The attribute code (must be valid)
|
||||
* @return string A scalar representation of the value
|
||||
*/
|
||||
protected function MakeResultValue(DBObject $oObject, $sAttCode)
|
||||
{
|
||||
if ($sAttCode == 'id')
|
||||
{
|
||||
$value = $oObject->GetKey();
|
||||
}
|
||||
else
|
||||
{
|
||||
$sClass = get_class($oObject);
|
||||
$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
|
||||
if ($oAttDef instanceof AttributeLinkedSet)
|
||||
{
|
||||
$value = array();
|
||||
|
||||
// Make the list of required attributes
|
||||
// - Skip attributes pointing to the current object (redundant data)
|
||||
// - Skip link sets refering to the current data (infinite recursion!)
|
||||
$aRelevantAttributes = array();
|
||||
$sLnkClass = $oAttDef->GetLinkedClass();
|
||||
foreach (MetaModel::ListAttributeDefs($sLnkClass) as $sLnkAttCode => $oLnkAttDef)
|
||||
{
|
||||
// Skip any attribute of the link that points to the current object
|
||||
//
|
||||
if ($sLnkAttCode == $oAttDef->GetExtKeyToMe()) continue;
|
||||
if (method_exists($oLnkAttDef, 'GetKeyAttCode'))
|
||||
{
|
||||
if ($oLnkAttDef->GetKeyAttCode() ==$oAttDef->GetExtKeyToMe()) continue;
|
||||
}
|
||||
|
||||
$aRelevantAttributes[] = $sLnkAttCode;
|
||||
}
|
||||
|
||||
// Iterate on the set and build an array of array of attcode=>value
|
||||
$oSet = $oObject->Get($sAttCode);
|
||||
while ($oLnk = $oSet->Fetch())
|
||||
{
|
||||
$aLnkValues = array();
|
||||
foreach ($aRelevantAttributes as $sLnkAttCode)
|
||||
{
|
||||
$aLnkValues[$sLnkAttCode] = $this->MakeResultValue($oLnk, $sLnkAttCode);
|
||||
}
|
||||
$value[] = $aLnkValues;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
$value = $oObject->GetEditValue($sAttCode);
|
||||
}
|
||||
}
|
||||
return $value;
|
||||
}
|
||||
|
||||
/**
|
||||
* Report the value for the given object attribute
|
||||
*
|
||||
* @param DBObject $oObject The object being reported
|
||||
* @param string $sAttCode The attribute code (must be valid)
|
||||
* @return void
|
||||
*/
|
||||
public function AddField(DBObject $oObject, $sAttCode)
|
||||
{
|
||||
$this->fields[$sAttCode] = $this->MakeResultValue($oObject, $sAttCode);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* REST response for services managing objects. Derive this structure to add information and/or constants
|
||||
*
|
||||
* @package Extensibility
|
||||
* @package REST Services
|
||||
* @api
|
||||
*/
|
||||
class RestResultWithObjects extends RestResult
|
||||
{
|
||||
public $objects;
|
||||
|
||||
/**
|
||||
* Report the given object
|
||||
*
|
||||
* @param int An error code (RestResult::OK is no issue has been found)
|
||||
* @param string $sMessage Description of the error if any, an empty string otherwise
|
||||
* @param DBObject $oObject The object being reported
|
||||
* @param array $aFields An array of attribute codes. List of the attributes to be reported.
|
||||
* @return void
|
||||
*/
|
||||
public function AddObject($iCode, $sMessage, $oObject = null, $aFields = null)
|
||||
{
|
||||
$oObjRes = new ObjectResult();
|
||||
$oObjRes->code = $iCode;
|
||||
$oObjRes->message = $sMessage;
|
||||
|
||||
if ($oObject)
|
||||
{
|
||||
foreach ($aFields as $sAttCode)
|
||||
{
|
||||
$oObjRes->AddField($oObject, $sAttCode);
|
||||
}
|
||||
}
|
||||
|
||||
$this->objects[] = $oObjRes;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Implementation of core REST services (create/get/update... objects)
|
||||
*
|
||||
* @package Core
|
||||
*/
|
||||
class CoreServices implements iRestServiceProvider
|
||||
{
|
||||
/**
|
||||
* Enumerate services delivered by this class
|
||||
*
|
||||
* @param string $sVersion The version (e.g. 1.0) supported by the services
|
||||
* @return array An array of hash 'verb' => verb, 'description' => description
|
||||
*/
|
||||
public function ListOperations($sVersion)
|
||||
{
|
||||
$aOps = array();
|
||||
if ($sVersion == '1.0')
|
||||
{
|
||||
$aOps[] = array(
|
||||
'verb' => 'core/create',
|
||||
'description' => 'Create an object'
|
||||
);
|
||||
$aOps[] = array(
|
||||
'verb' => 'core/update',
|
||||
'description' => 'Update an object'
|
||||
);
|
||||
$aOps[] = array(
|
||||
'verb' => 'core/get',
|
||||
'description' => 'Search for objects'
|
||||
);
|
||||
}
|
||||
return $aOps;
|
||||
}
|
||||
|
||||
/**
|
||||
* Enumerate services delivered by this class
|
||||
* @param string $sVersion The version (e.g. 1.0) supported by the services
|
||||
* @return RestResult The standardized result structure (at least a message)
|
||||
* @throws Exception in case of internal failure.
|
||||
*/
|
||||
public function ExecOperation($sVersion, $sVerb, $aParams)
|
||||
{
|
||||
$oResult = new RestResultWithObjects();
|
||||
switch ($sVerb)
|
||||
{
|
||||
case 'core/create':
|
||||
RestUtils::InitTrackingComment($aParams);
|
||||
$sClass = RestUtils::GetClass($aParams, 'class');
|
||||
$aFields = RestUtils::GetMandatoryParam($aParams, 'fields');
|
||||
$aShowFields = RestUtils::GetFieldList($sClass, $aParams, 'output_fields');
|
||||
|
||||
$oObject = RestUtils::MakeObjectFromFields($sClass, $aFields);
|
||||
$oObject->DBInsert();
|
||||
|
||||
$oResult->AddObject(0, 'created', $oObject, $aShowFields);
|
||||
break;
|
||||
|
||||
case 'core/update':
|
||||
RestUtils::InitTrackingComment($aParams);
|
||||
$sClass = RestUtils::GetClass($aParams, 'class');
|
||||
$key = RestUtils::GetMandatoryParam($aParams, 'key');
|
||||
$aFields = RestUtils::GetMandatoryParam($aParams, 'fields');
|
||||
$aShowFields = RestUtils::GetFieldList($sClass, $aParams, 'output_fields');
|
||||
|
||||
$oObject = RestUtils::FindObjectFromKey($sClass, $key);
|
||||
RestUtils::UpdateObjectFromFields($oObject, $aFields);
|
||||
$oObject->DBUpdate();
|
||||
|
||||
$oResult->AddObject(0, 'updated', $oObject, $aShowFields);
|
||||
break;
|
||||
|
||||
case 'core/get':
|
||||
$sClass = RestUtils::GetClass($aParams, 'class');
|
||||
$key = RestUtils::GetMandatoryParam($aParams, 'key');
|
||||
$aShowFields = RestUtils::GetFieldList($sClass, $aParams, 'output_fields');
|
||||
|
||||
$oObjectSet = RestUtils::GetObjectSetFromKey($sClass, $key);
|
||||
while ($oObject = $oObjectSet->Fetch())
|
||||
{
|
||||
$oResult->AddObject(0, '', $oObject, $aShowFields);
|
||||
}
|
||||
$oResult->message = "Found: ".$oObjectSet->Count();
|
||||
break;
|
||||
|
||||
default:
|
||||
// unknown operation: handled at a higher level
|
||||
}
|
||||
return $oResult;
|
||||
}
|
||||
}
|
||||
@@ -92,10 +92,13 @@ function DoPostRequest_curl($sUrl, $aData)
|
||||
|
||||
$aOperations = array(
|
||||
array(
|
||||
'operation' => 'object_create', // operation code
|
||||
'operation' => 'list_operations', // operation code
|
||||
),
|
||||
array(
|
||||
'operation' => 'core/create', // operation code
|
||||
'comment' => 'Synchronization from blah...', // comment recorded in the change tracking log
|
||||
'class' => 'UserRequest',
|
||||
'results' => 'id, friendlyname', // list of fields to show in the results (* or a,b,c)
|
||||
'output_fields' => 'id, friendlyname', // list of fields to show in the results (* or a,b,c)
|
||||
// Values for the object to create
|
||||
'fields' => array(
|
||||
'org_id' => "SELECT Organization WHERE name = 'Demo'",
|
||||
@@ -105,11 +108,11 @@ $aOperations = array(
|
||||
),
|
||||
),
|
||||
array(
|
||||
'operation' => 'object_update', // operation code
|
||||
'operation' => 'core/update', // operation code
|
||||
'comment' => 'Synchronization from blah...', // comment recorded in the change tracking log
|
||||
'class' => 'UserRequest',
|
||||
'key' => 'SELECT UserRequest WHERE id=1',
|
||||
'results' => 'id, friendlyname, title', // list of fields to show in the results (* or a,b,c)
|
||||
'output_fields' => 'id, friendlyname, title', // list of fields to show in the results (* or a,b,c)
|
||||
// Values for the object to create
|
||||
'fields' => array(
|
||||
'title' => 'Issue #'.rand(0, 100),
|
||||
@@ -122,15 +125,14 @@ $aOperations = array(
|
||||
),
|
||||
),
|
||||
array(
|
||||
'operation' => 'object_get', // operation code
|
||||
'operation' => 'core/get', // operation code
|
||||
'class' => 'UserRequest',
|
||||
'key' => 'SELECT UserRequest',
|
||||
'results' => 'id, friendlyname, title, contacts_list', // list of fields to show in the results (* or a,b,c)
|
||||
'output_fields' => 'id, friendlyname, title, contacts_list', // list of fields to show in the results (* or a,b,c)
|
||||
),
|
||||
);
|
||||
|
||||
|
||||
$sUrl = "http://localhost/rest-services/webservices/rest.php?version=0.9";
|
||||
$sUrl = "http://localhost/rest-services/webservices/rest.php?version=1.0";
|
||||
|
||||
$aData = array();
|
||||
$aData['auth_user'] = 'admin';
|
||||
@@ -148,6 +150,7 @@ foreach ($aOperations as $iOp => $aOperation)
|
||||
|
||||
$response = DoPostRequest($sUrl, $aData);
|
||||
$aResults = json_decode($response);
|
||||
$aResults = $response;
|
||||
if ($aResults)
|
||||
{
|
||||
echo "--------------------------------------\n";
|
||||
|
||||
@@ -61,372 +61,35 @@
|
||||
if (!defined('__DIR__')) define('__DIR__', dirname(__FILE__));
|
||||
require_once(__DIR__.'/../approot.inc.php');
|
||||
require_once(APPROOT.'/application/application.inc.php');
|
||||
require_once(APPROOT.'/application/clipage.class.inc.php');
|
||||
require_once(APPROOT.'/application/ajaxwebpage.class.inc.php');
|
||||
require_once(APPROOT.'/application/startup.inc.php');
|
||||
|
||||
require_once(APPROOT.'core/restservices.class.inc.php');
|
||||
|
||||
|
||||
class RestServices
|
||||
/**
|
||||
* Result structure that is specific to the hardcoded verb 'list_operations'
|
||||
*/
|
||||
class RestResultListOperations extends RestResult
|
||||
{
|
||||
public function InitTrackingComment($oData)
|
||||
public $version;
|
||||
public $operations;
|
||||
|
||||
public function AddOperation($sVerb, $sDescription, $sServiceProviderClass)
|
||||
{
|
||||
$sComment = $this->GetMandatoryParam($oData, 'comment');
|
||||
CMDBObject::SetTrackInfo($sComment);
|
||||
}
|
||||
|
||||
|
||||
public function GetMandatoryParam($oData, $sParamName)
|
||||
{
|
||||
if (isset($oData->$sParamName))
|
||||
{
|
||||
return $oData->$sParamName;
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new Exception("Missing parameter '$sParamName'");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
public function GetOptionalParam($oData, $sParamName, $default)
|
||||
{
|
||||
if (isset($oData->$sParamName))
|
||||
{
|
||||
return $oData->$sParamName;
|
||||
}
|
||||
else
|
||||
{
|
||||
return $default;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
public function GetClass($oData, $sParamName)
|
||||
{
|
||||
$sClass = $this->GetMandatoryParam($oData, $sParamName);
|
||||
if (!MetaModel::IsValidClass($sClass))
|
||||
{
|
||||
throw new Exception("$sParamName: '$sClass' is not a valid class'");
|
||||
}
|
||||
return $sClass;
|
||||
}
|
||||
|
||||
|
||||
public function GetFieldList($sClass, $oData, $sParamName)
|
||||
{
|
||||
$sFields = $this->GetOptionalParam($oData, $sParamName, '*');
|
||||
$aShowFields = array();
|
||||
if ($sFields == '*')
|
||||
{
|
||||
foreach (MetaModel::ListAttributeDefs($sClass) as $sAttCode => $oAttDef)
|
||||
{
|
||||
$aShowFields[] = $sAttCode;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
foreach(explode(',', $sFields) as $sAttCode)
|
||||
{
|
||||
$sAttCode = trim($sAttCode);
|
||||
if (($sAttCode != 'id') && (!MetaModel::IsValidAttCode($sClass, $sAttCode)))
|
||||
{
|
||||
throw new Exception("$sParamName: invalid attribute code '$sAttCode'");
|
||||
}
|
||||
$aShowFields[] = $sAttCode;
|
||||
}
|
||||
}
|
||||
return $aShowFields;
|
||||
}
|
||||
|
||||
protected function FindObjectFromCriteria($sClass, $oCriteria)
|
||||
{
|
||||
$aCriteriaReport = array();
|
||||
if (isset($oCriteria->finalclass))
|
||||
{
|
||||
$sClass = $oCriteria->finalclass;
|
||||
if (!MetaModel::IsValidClass($sClass))
|
||||
{
|
||||
throw new Exception("finalclass: Unknown class '$sClass'");
|
||||
}
|
||||
}
|
||||
$oSearch = new DBObjectSearch($sClass);
|
||||
foreach ($oCriteria as $sAttCode => $value)
|
||||
{
|
||||
$realValue = $this->MakeValue($sClass, $sAttCode, $value);
|
||||
$oSearch->AddCondition($sAttCode, $realValue);
|
||||
$aCriteriaReport[] = "$sAttCode: $value ($realValue)";
|
||||
}
|
||||
$oSet = new DBObjectSet($oSearch);
|
||||
$iCount = $oSet->Count();
|
||||
if ($iCount == 0)
|
||||
{
|
||||
throw new Exception("No item found for criteria: ".implode(', ', $aCriteriaReport));
|
||||
}
|
||||
elseif ($iCount > 1)
|
||||
{
|
||||
throw new Exception("Several items found ($iCount) for criteria: ".implode(', ', $aCriteriaReport));
|
||||
}
|
||||
$res = $oSet->Fetch();
|
||||
return $res;
|
||||
}
|
||||
|
||||
|
||||
public function FindObjectFromKey($sClass, $key)
|
||||
{
|
||||
if (is_object($key))
|
||||
{
|
||||
$res = $this->FindObjectFromCriteria($sClass, $key);
|
||||
}
|
||||
elseif (is_numeric($key))
|
||||
{
|
||||
$res = MetaModel::GetObject($sClass, $key);
|
||||
}
|
||||
elseif (is_string($key))
|
||||
{
|
||||
// OQL
|
||||
$oSearch = DBObjectSearch::FromOQL($key);
|
||||
$oSet = new DBObjectSet($oSearch);
|
||||
$iCount = $oSet->Count();
|
||||
if ($iCount == 0)
|
||||
{
|
||||
throw new Exception("No item found for query: $key");
|
||||
}
|
||||
elseif ($iCount > 1)
|
||||
{
|
||||
throw new Exception("Several items found ($iCount) for query: $key");
|
||||
}
|
||||
$res = $oSet->Fetch();
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new Exception("Wrong format for key");
|
||||
}
|
||||
return $res;
|
||||
}
|
||||
|
||||
|
||||
public function GetObjectSetFromKey($sClass, $key)
|
||||
{
|
||||
if (is_object($key))
|
||||
{
|
||||
if (isset($oCriteria->finalclass))
|
||||
{
|
||||
$sClass = $oCriteria->finalclass;
|
||||
if (!MetaModel::IsValidClass($sClass))
|
||||
{
|
||||
throw new Exception("finalclass: Unknown class '$sClass'");
|
||||
}
|
||||
}
|
||||
|
||||
$oSearch = new DBObjectSearch($sClass);
|
||||
foreach ($key as $sAttCode => $value)
|
||||
{
|
||||
$realValue = $this->MakeValue($sClass, $sAttCode, $value);
|
||||
$oSearch->AddCondition($sAttCode, $realValue);
|
||||
}
|
||||
}
|
||||
elseif (is_numeric($key))
|
||||
{
|
||||
$oSearch = new DBObjectSearch($sClass);
|
||||
$oSearch->AddCondition('id', $key);
|
||||
}
|
||||
elseif (is_string($key))
|
||||
{
|
||||
// OQL
|
||||
$oSearch = DBObjectSearch::FromOQL($key);
|
||||
$oObjectSet = new DBObjectSet($oSearch);
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new Exception("Wrong format for key");
|
||||
}
|
||||
$oObjectSet = new DBObjectSet($oSearch);
|
||||
return $oObjectSet;
|
||||
}
|
||||
|
||||
|
||||
protected function MakeValue($sClass, $sAttCode, $value)
|
||||
{
|
||||
try
|
||||
{
|
||||
if (!MetaModel::IsValidAttCode($sClass, $sAttCode))
|
||||
{
|
||||
throw new Exception("Unknown attribute");
|
||||
}
|
||||
$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
|
||||
if ($oAttDef instanceof AttributeExternalKey)
|
||||
{
|
||||
$oExtKeyObject = $this->FindObjectFromKey($oAttDef->GetTargetClass(), $value);
|
||||
$value = $oExtKeyObject->GetKey();
|
||||
}
|
||||
elseif ($oAttDef instanceof AttributeLinkedSet)
|
||||
{
|
||||
if (!is_array($value))
|
||||
{
|
||||
throw new Exception("A link set must be defined by an array of objects");
|
||||
}
|
||||
$sLnkClass = $oAttDef->GetLinkedClass();
|
||||
$aLinks = array();
|
||||
foreach($value as $oValues)
|
||||
{
|
||||
$oLnk = $this->MakeObjectFromFields($sLnkClass, $oValues);
|
||||
$aLinks[] = $oLnk;
|
||||
}
|
||||
$value = DBObjectSet::FromArray($sLnkClass, $aLinks);
|
||||
}
|
||||
}
|
||||
catch (Exception $e)
|
||||
{
|
||||
throw new Exception("$sAttCode: ".$e->getMessage());
|
||||
}
|
||||
return $value;
|
||||
}
|
||||
|
||||
|
||||
public function MakeObjectFromFields($sClass, $aFields)
|
||||
{
|
||||
$oObject = MetaModel::NewObject($sClass);
|
||||
foreach ($aFields as $sAttCode => $value)
|
||||
{
|
||||
$realValue = $this->MakeValue($sClass, $sAttCode, $value);
|
||||
$oObject->Set($sAttCode, $realValue);
|
||||
}
|
||||
return $oObject;
|
||||
}
|
||||
|
||||
|
||||
public function UpdateObjectFromFields($oObject, $aFields)
|
||||
{
|
||||
$sClass = get_class($oObject);
|
||||
foreach ($aFields as $sAttCode => $value)
|
||||
{
|
||||
$realValue = $this->MakeValue($sClass, $sAttCode, $value);
|
||||
$oObject->Set($sAttCode, $realValue);
|
||||
}
|
||||
return $oObject;
|
||||
$this->operations[] = array(
|
||||
'verb' => $sVerb,
|
||||
'description' => $sDescription,
|
||||
'extension' => $sServiceProviderClass
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class FieldResult
|
||||
{
|
||||
protected $value;
|
||||
|
||||
public function __construct()
|
||||
{
|
||||
}
|
||||
|
||||
public function GetValue()
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
class ObjectResult
|
||||
{
|
||||
public $code;
|
||||
public $message;
|
||||
public $fields;
|
||||
|
||||
public function __construct()
|
||||
{
|
||||
$this->code = 0;
|
||||
$this->message = '';
|
||||
$this->fields = array();
|
||||
}
|
||||
|
||||
protected function MakeResultValue($oObject, $sAttCode)
|
||||
{
|
||||
if ($sAttCode == 'id')
|
||||
{
|
||||
$value = $oObject->GetKey();
|
||||
}
|
||||
else
|
||||
{
|
||||
$sClass = get_class($oObject);
|
||||
$oAttDef = MetaModel::GetAttributeDef($sClass, $sAttCode);
|
||||
if ($oAttDef instanceof AttributeLinkedSet)
|
||||
{
|
||||
$value = array();
|
||||
|
||||
// Make the list of required attributes
|
||||
// - Skip attributes pointing to the current object (redundant data)
|
||||
// - Skip link sets refering to the current data (infinite recursion!)
|
||||
$aRelevantAttributes = array();
|
||||
$sLnkClass = $oAttDef->GetLinkedClass();
|
||||
foreach (MetaModel::ListAttributeDefs($sLnkClass) as $sLnkAttCode => $oLnkAttDef)
|
||||
{
|
||||
// Skip any attribute of the link that points to the current object
|
||||
//
|
||||
if ($sLnkAttCode == $oAttDef->GetExtKeyToMe()) continue;
|
||||
if (method_exists($oLnkAttDef, 'GetKeyAttCode'))
|
||||
{
|
||||
if ($oLnkAttDef->GetKeyAttCode() ==$oAttDef->GetExtKeyToMe()) continue;
|
||||
}
|
||||
|
||||
$aRelevantAttributes[] = $sLnkAttCode;
|
||||
}
|
||||
|
||||
// Iterate on the set and build an array of array of attcode=>value
|
||||
$oSet = $oObject->Get($sAttCode);
|
||||
while ($oLnk = $oSet->Fetch())
|
||||
{
|
||||
$aLnkValues = array();
|
||||
foreach ($aRelevantAttributes as $sLnkAttCode)
|
||||
{
|
||||
$aLnkValues[$sLnkAttCode] = $this->MakeResultValue($oLnk, $sLnkAttCode);
|
||||
}
|
||||
$value[] = $aLnkValues;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
$value = $oObject->GetEditValue($sAttCode);
|
||||
}
|
||||
}
|
||||
return $value;
|
||||
}
|
||||
|
||||
public function AddField($oObject, $sAttCode)
|
||||
{
|
||||
$this->fields[$sAttCode] = $this->MakeResultValue($oObject, $sAttCode);
|
||||
}
|
||||
}
|
||||
|
||||
class RestResult
|
||||
{
|
||||
public function __construct()
|
||||
{
|
||||
}
|
||||
|
||||
public $code;
|
||||
public $message;
|
||||
public $objects;
|
||||
|
||||
public function AddObject($iCode, $sMessage, $oObject = null, $aFields = null)
|
||||
{
|
||||
$oObjRes = new ObjectResult();
|
||||
$oObjRes->code = $iCode;
|
||||
$oObjRes->message = $sMessage;
|
||||
|
||||
if ($oObject)
|
||||
{
|
||||
foreach ($aFields as $sAttCode)
|
||||
{
|
||||
$oObjRes->AddField($oObject, $sAttCode);
|
||||
}
|
||||
}
|
||||
|
||||
$this->objects[] = $oObjRes;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
//
|
||||
// Main
|
||||
//
|
||||
$oP = new CLIPage("iTop - REST");
|
||||
$oResult = new RestResult();
|
||||
$oP = new ajax_page('rest');
|
||||
|
||||
try
|
||||
{
|
||||
@@ -440,69 +103,107 @@ try
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new Exception("Invalid login '$sAuthUser'");
|
||||
throw new Exception("Invalid login '$sAuthUser'", RestResult::UNAUTHORIZED);
|
||||
}
|
||||
|
||||
$sVersion = utils::ReadParam('version', null, false, 'raw_data');
|
||||
if ($sVersion == null)
|
||||
{
|
||||
throw new Exception("Missing parameter 'version' (e.g. '1.0')", RestResult::MISSING_VERSION);
|
||||
}
|
||||
|
||||
$aJsonData = json_decode(utils::ReadPostedParam('json_data', null, 'raw_data'));
|
||||
$sJsonString = utils::ReadPostedParam('json_data', null, 'raw_data');
|
||||
if ($sJsonString == null)
|
||||
{
|
||||
throw new Exception("Missing parameter 'json_data", RestResult::MISSING_JSON);
|
||||
}
|
||||
$aJsonData = json_decode($sJsonString);
|
||||
if ($aJsonData == null)
|
||||
{
|
||||
throw new Exception('Parameter json_data is not a valid JSON structure');
|
||||
throw new Exception("Parameter json_data is not a valid JSON structure", RestResult::INVALID_JSON);
|
||||
}
|
||||
|
||||
$oRS = new RestServices();
|
||||
|
||||
$sOperation = $oRS->GetMandatoryParam($aJsonData, 'operation');
|
||||
switch ($sOperation)
|
||||
$aProviders = array();
|
||||
foreach(get_declared_classes() as $sPHPClass)
|
||||
{
|
||||
case 'object_create':
|
||||
$oRS->InitTrackingComment($aJsonData);
|
||||
$sClass = $oRS->GetClass($aJsonData, 'class');
|
||||
$aFields = $oRS->GetMandatoryParam($aJsonData, 'fields');
|
||||
$aShowFields = $oRS->GetFieldList($sClass, $aJsonData, 'results');
|
||||
|
||||
$oObject = $oRS->MakeObjectFromFields($sClass, $aFields);
|
||||
$oObject->DBInsert();
|
||||
|
||||
$oResult->AddObject(0, 'created', $oObject, $aShowFields);
|
||||
break;
|
||||
|
||||
case 'object_update':
|
||||
$oRS->InitTrackingComment($aJsonData);
|
||||
$sClass = $oRS->GetClass($aJsonData, 'class');
|
||||
$key = $oRS->GetMandatoryParam($aJsonData, 'key');
|
||||
$aFields = $oRS->GetMandatoryParam($aJsonData, 'fields');
|
||||
$aShowFields = $oRS->GetFieldList($sClass, $aJsonData, 'results');
|
||||
|
||||
$oObject = $oRS->FindObjectFromKey($sClass, $key);
|
||||
$oRS->UpdateObjectFromFields($oObject, $aFields);
|
||||
$oObject->DBUpdate();
|
||||
|
||||
$oResult->AddObject(0, 'updated', $oObject, $aShowFields);
|
||||
break;
|
||||
|
||||
case 'object_get':
|
||||
$sClass = $oRS->GetClass($aJsonData, 'class');
|
||||
$key = $oRS->GetMandatoryParam($aJsonData, 'key');
|
||||
$aShowFields = $oRS->GetFieldList($sClass, $aJsonData, 'results');
|
||||
|
||||
$oObjectSet = $oRS->GetObjectSetFromKey($sClass, $key);
|
||||
while ($oObject = $oObjectSet->Fetch())
|
||||
$oRefClass = new ReflectionClass($sPHPClass);
|
||||
if ($oRefClass->implementsInterface('iRestServiceProvider'))
|
||||
{
|
||||
$oResult->AddObject(0, '', $oObject, $aShowFields);
|
||||
$aProviders[] = new $sPHPClass;
|
||||
}
|
||||
$oResult->message = "Found: ".$oObjectSet->Count();
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
throw new Exception("Uknown operation '$sOperation'");
|
||||
$aOpToRestService = array(); // verb => $oRestServiceProvider
|
||||
foreach ($aProviders as $oRestSP)
|
||||
{
|
||||
$aOperations = $oRestSP->ListOperations($sVersion);
|
||||
foreach ($aOperations as $aOpData)
|
||||
{
|
||||
$aOpToRestService[$aOpData['verb']] = array
|
||||
(
|
||||
'service_provider' => $oRestSP,
|
||||
'description' => $aOpData['description'],
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
if (count($aOpToRestService) == 0)
|
||||
{
|
||||
throw new Exception("There is no service available for version '$sVersion'", RestResult::UNSUPPORTED_VERSION);
|
||||
}
|
||||
|
||||
|
||||
$sOperation = RestUtils::GetMandatoryParam($aJsonData, 'operation');
|
||||
if ($sOperation == 'list_operations')
|
||||
{
|
||||
$oResult = new RestResultListOperations();
|
||||
$oResult->message = "Operations: ".count($aOpToRestService);
|
||||
$oResult->version = $sVersion;
|
||||
foreach ($aOpToRestService as $sVerb => $aOpData)
|
||||
{
|
||||
$oResult->AddOperation($sVerb, $aOpData['description'], get_class($aOpData['service_provider']));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if (!array_key_exists($sOperation, $aOpToRestService))
|
||||
{
|
||||
throw new Exception("Unknown verb '$sVersion'", RestResult::UNKNOWN_OPERATION);
|
||||
}
|
||||
$oRS = $aOpToRestService[$sOperation]['service_provider'];
|
||||
|
||||
$oResult = $oRS->ExecOperation($sVersion, $sOperation, $aJsonData);
|
||||
}
|
||||
}
|
||||
catch(Exception $e)
|
||||
{
|
||||
$oResult->code = 1234;
|
||||
$oResult = new RestResult();
|
||||
if ($e->GetCode() == 0)
|
||||
{
|
||||
$oResult->code = RestResult::INTERNAL_ERROR;
|
||||
}
|
||||
else
|
||||
{
|
||||
$oResult->code = $e->GetCode();
|
||||
}
|
||||
$oResult->message = "Error: ".$e->GetMessage();
|
||||
}
|
||||
|
||||
$oP->add(json_encode($oResult));
|
||||
// Output the results
|
||||
//
|
||||
$oP->add_header('Access-Control-Allow-Origin: *');
|
||||
|
||||
$sCallback = utils::ReadParam('callback', null);
|
||||
if ($sCallback == null)
|
||||
{
|
||||
$oP->SetContentType('application/json');
|
||||
$oP->add(json_encode($oResult));
|
||||
}
|
||||
else
|
||||
{
|
||||
$oP->SetContentType('application/javascript');
|
||||
$oP->add($sCallback.'('.json_encode($oResult).')');
|
||||
}
|
||||
$oP->Output();
|
||||
?>
|
||||
Reference in New Issue
Block a user