示例#1
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        /// <summary>
        ///     Returns a Response XML element with all the property names
        ///     and property values of the visible properties.
        /// </summary>
        /// <param name="url"></param>
        /// <param name="calendarResourceId">Name of the resource</param>
        /// <param name="additionalProperties">List of additional requested properties (key=name; value=namespace)</param>
        /// <returns></returns>
        private async Task <XmlTreeStructure> AllPropFillTree(string url, string calendarResourceId,
                                                              List <KeyValuePair <string, string> > additionalProperties)
        {
            #region Adding the response of the collection or resource.

            //Adding standard structure for a "response" element.
            var treeChild = new XmlTreeStructure("response", "DAV:");

            #region Adding the <D:href>/api/v1/collections/users|groups/principalId/{collectionName}/{calendarResourceId}?</D:href>

            var href = new XmlTreeStructure("href", "DAV:");
            href.AddValue(SystemProperties._baseUrl + url);

            treeChild.AddChild(href);

            #endregion

            #region Adding the propstat

            #region Selecting properties

            var propertiesCol   = new List <XmlTreeStructure>();
            var propertiesOk    = new List <XmlTreeStructure>();
            var propertiesWrong = new List <XmlTreeStructure>();
            var errorStack      = new Stack <string>();

            //Here all visible properties are retrieve plus a collection of extra properties that can be
            //defined in the request body.

            if (calendarResourceId == null)
            {
                var properties = await _collectionRepository.GetAllProperties(url);

                foreach (var property in properties)
                {
                    //TODO: Check that the property is accessible beyond its visibility.
                    var tempTree = property.Value == null
                        ? new XmlTreeStructure(property.Name, property.Namespace)
                    {
                        Value = ""
                    }
                        : XmlTreeStructure.Parse(property.Value);

                    propertiesCol.Add((XmlTreeStructure)tempTree);
                }

                //looking for additional properties
                if (additionalProperties != null && additionalProperties.Count > 0)
                {
                    foreach (var addProperty in additionalProperties)
                    {
                        //gets the property from database
                        var property = await _collectionRepository.GetProperty(url, addProperty);

                        //Builds the xmlTreeExtructure checking that if the value is null thats because
                        //the property was not found.
                        IXMLTreeStructure prop;
                        if (property != null)
                        {
                            prop = property.Value == null
                                ? new XmlTreeStructure(property.Name, property.Namespace)
                            {
                                Value = ""
                            }
                        }
                        : XmlTreeStructure.Parse(property.Value);
                        else
                        {
                            prop = new XmlTreeStructure(addProperty.Key, addProperty.Value);
                        }
                        propertiesCol.Add((XmlTreeStructure)prop);
                    }
                }
            }
            else
            {
                var properties = await _resourceRespository.GetAllProperties(url);

                foreach (var property in properties)
                {
                    //TODO: Check that the property is accessible beyond its visibility.
                    var tempTree = property.Value == null
                        ? new XmlTreeStructure(property.Name, property.Namespace)
                    {
                        Value = ""
                    }
                        : XmlTreeStructure.Parse(property.Value);

                    propertiesCol.Add((XmlTreeStructure)tempTree);
                }

                //looking for additional properties
                if (additionalProperties != null && additionalProperties.Count > 0)
                {
                    foreach (var addProperty in additionalProperties)
                    {
                        //gets the property from database
                        var property = await _resourceRespository.GetProperty(url, addProperty);

                        //Builds the xmlTreeExtructure checking that if the value is null thats because
                        //the property was not found.
                        IXMLTreeStructure prop;
                        if (property != null)
                        {
                            prop = property.Value == null
                                ? new XmlTreeStructure(property.Name, property.Namespace)
                            {
                                Value = ""
                            }
                        }
                        : XmlTreeStructure.Parse(property.Value);
                        else
                        {
                            prop = new XmlTreeStructure(addProperty.Key, addProperty.Value);
                        }
                        propertiesCol.Add((XmlTreeStructure)prop);
                    }
                }
            }

            //Here there are divided all properties between recovered and error recovering
            foreach (var propTree in propertiesCol)
            {
                if (propTree.Value != null)
                {
                    propertiesOk.Add(propTree);
                }
                else
                {
                    propertiesWrong.Add(propTree);
                }
            }

            #endregion

            #region Adding nested propOK

            //This procedure has been explained in another method.
            //Here the retrieve properties are grouped.

            var propstatOk = new XmlTreeStructure("propstat", "DAV:");
            var propOk     = new XmlTreeStructure("prop", "DAV:");

            //Here i add all properties to the prop.
            foreach (var property in propertiesOk)
            {
                propOk.AddChild(property);
            }

            propstatOk.AddChild(propOk);

            #region Adding nested status OK

            var statusOk = new XmlTreeStructure("status", "DAV:");
            statusOk.AddValue("HTTP/1.1 200 OK");
            propstatOk.AddChild(statusOk);

            #endregion

            #endregion

            #region Adding nested propWrong

            //Here the properties that could not be retrieved are grouped.
            var propstatWrong = new XmlTreeStructure("propstat", "DAV:");
            var propWrong     = new XmlTreeStructure("prop", "DAV:");

            //Here i add all properties to the prop.
            foreach (var property in propertiesWrong)
            {
                propWrong.AddChild(property);
            }

            propstatWrong.AddChild(propWrong);

            #region Adding nested status Not Found

            var statusWrong = new XmlTreeStructure("status", "DAV:");
            statusWrong.AddValue("HTTP/1.1 400 Not Found");
            propstatWrong.AddChild(statusWrong);

            #endregion

            #region Adding responseDescription when wrong

            //Here i add an description for explain the errors.
            //This should be aplied in all method with an similar structure but for the moment is only used here.
            //However this is not required.
            var responseDescrpWrong = new XmlTreeStructure("responsedescription", "DAV:");
            responseDescrpWrong.AddValue("The properties doesn't  exist");
            propstatWrong.AddChild(responseDescrpWrong);

            #endregion

            #endregion

            //If any of the "status" group is empty, it is not included.
            if (propertiesOk.Count > 0)
            {
                treeChild.AddChild(propstatOk);
            }
            if (propertiesWrong.Count > 0)
            {
                treeChild.AddChild(propstatWrong);
            }

            #endregion

            return(treeChild);

            #endregion
        }