/// <summary>
/// Copies the individual properties from the entity back in to the DataTable's first row.
/// This should be used only when merging a user conflict resolution back in to a DataRow.
/// This returns the merged results as an object array
/// </summary>
/// <param name="entity">Entity from which to read values</param>
/// <param name="table">The Table whose first DataRow will be updated.</param>
/// <returns>The contents of the DataRow as an object array</returns>
internal object[] CopyEntityToDataRow(IOfflineEntity entity, DataTable table)
{
Debug.Assert(table.Rows.Count == 1, "table.Rows.Count ==1");
if (table.Rows.Count != 1)
{
throw new InvalidOperationException("Cannot copy Entity to a DataTable whose row count != 1");
}
Dictionary <string, string> mappingInfo = _localToGlobalPropertyMapping[entity.GetType()];
// Check for tombstones
bool isRowDeleted = false;
if (table.Rows[0].RowState == DataRowState.Deleted)
{
isRowDeleted = true;
table.Rows[0].RejectChanges();
}
// Retrieve the current row values
object[] rowValues = table.Rows[0].ItemArray;
PropertyInfo[] properties = entity.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
for (int i = 0; i < table.Columns.Count; i++)
{
// Iterate over each non sync column and read its value from the entity
if (IsSyncSpecificColumn(table.Columns[i].ColumnName))
{
continue;
}
// Read the value of the property
string columnName = null;
mappingInfo.TryGetValue(table.Columns[i].ColumnName, out columnName);
columnName = columnName ?? table.Columns[i].ColumnName;
// Retrieve the PropertyInfo
PropertyInfo info = properties.Where(e => e.Name.Equals(columnName, StringComparison.Ordinal)).FirstOrDefault();
Debug.Assert(info != null, "PropertyInfo is not null.");
// Get the property's value and put it in the object array
rowValues[i] = info.GetValue(entity, null) ?? DBNull.Value;
}
// Write the row values back to the DataRow
table.Rows[0].ItemArray = rowValues;
if (isRowDeleted)
{
table.Rows[0].Delete();
}
return(rowValues);
}
/// <summary>
/// Writes the <entry/> tag and all its related elements.
/// </summary>
/// <param name="live">Actual entity whose value is to be emitted.</param>
/// <param name="tempId">The temporary Id if any</param>
/// <param name="emitPartial">Bool flag that denotes whether a partial metadata only entity is to be written</param>
/// <returns>XElement representation of the entry element</returns>
private XElement WriteEntry(IOfflineEntity live, string tempId, bool emitPartial)
{
string typeName = live.GetType().FullName;
if (!live.ServiceMetadata.IsTombstone)
{
var entryElement = new XElement(FormatterConstants.AtomXmlNamespace + C.Entry);
entryElement.Add(new XAttribute(C.Caption, typeName));
if (!emitPartial)
{
// Write the entity contents
WriteEntityContents(entryElement, live);
}
return(entryElement);
}
// Write the at:deleted-entry tombstone element
var tombstoneElement = new XElement(FormatterConstants.AtomXmlNamespace + C.Tombstone, new XAttribute(C.Caption, typeName));
Guid id;
if (!Guid.TryParse(live.ServiceMetadata.Id, out id))
{
string[] split = live.ServiceMetadata.Id.Split('\'');
id = Guid.Parse(split[1]);
}
tombstoneElement.Add(id.ToString());
return(tombstoneElement);
}
/// <summary>
/// Build the OData Atom primary keystring representation
/// </summary>
/// <param name="live">Entity for which primary key is required</param>
/// <returns>String representation of the primary key</returns>
public static string GetPrimaryKeyString(IOfflineEntity live)
{
StringBuilder builder = new StringBuilder();
string sep = string.Empty;
foreach (PropertyInfo keyInfo in GetPrimaryKeysPropertyInfoMapping(live.GetType()))
{
if (keyInfo.PropertyType == FormatterConstants.GuidType)
{
builder.AppendFormat("{0}{1}=guid'{2}'", sep, keyInfo.Name, keyInfo.GetValue(live, null));
}
else if (keyInfo.PropertyType == FormatterConstants.StringType)
{
builder.AppendFormat("{0}{1}='{2}'", sep, keyInfo.Name, keyInfo.GetValue(live, null));
}
else
{
builder.AppendFormat("{0}{1}={2}", sep, keyInfo.Name, keyInfo.GetValue(live, null));
}
if (string.IsNullOrEmpty(sep))
{
sep = ", ";
}
}
return(builder.ToString());
}
/// <summary>
/// This writes the public contents of the Entity in the properties element.
/// </summary>
/// <param name="entity">Entity</param>
/// <returns>XElement representation of the properties element</returns>
XElement WriteEntityContents(IOfflineEntity entity)
{
XElement contentElement = new XElement(FormatterConstants.ODataMetadataNamespace + FormatterConstants.PropertiesElementName);
// Write only the primary keys if its an tombstone
PropertyInfo[] properties = ReflectionUtility.GetPropertyInfoMapping(entity.GetType());
// Write individual properties to the feed,
foreach (PropertyInfo fi in properties)
{
string edmType = FormatterUtilities.GetEdmType(fi.PropertyType);
object value = fi.GetValue(entity, null);
string valString = value as string;
if (valString != null)
{
value = AtomHelper.CleanInvalidXmlChars(valString);
}
Type propType = fi.PropertyType;
if (fi.PropertyType.IsGenericType && fi.PropertyType.Name.Equals(FormatterConstants.NullableTypeName, StringComparison.InvariantCulture))
{
// Its a Nullable<T> property
propType = fi.PropertyType.GetGenericArguments()[0];
}
if (value == null)
{
contentElement.Add(
new XElement(FormatterConstants.ODataDataNamespace + fi.Name,
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubTypeElementName, edmType),
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubIsNullElementName, true)));
}
else if (propType == FormatterConstants.DateTimeType ||
propType == FormatterConstants.TimeSpanType ||
propType == FormatterConstants.DateTimeOffsetType)
{
contentElement.Add(
new XElement(FormatterConstants.ODataDataNamespace + fi.Name,
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubTypeElementName, edmType),
FormatterUtilities.ConvertDateTimeForType_Atom(value, propType)));
}
else if (propType != FormatterConstants.ByteArrayType)
{
contentElement.Add(
new XElement(FormatterConstants.ODataDataNamespace + fi.Name,
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubTypeElementName, edmType),
value));
}
else
{
byte[] bytes = (byte[])value;
contentElement.Add(
new XElement(FormatterConstants.ODataDataNamespace + fi.Name,
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubTypeElementName, edmType),
Convert.ToBase64String(bytes)));
}
}
return(contentElement);
}
/// <summary>
/// This function loops the rejected entites and sends back a SyncError for each entity. For each entity it does the following
/// 1. Retrieve the current version in server.
/// 1.a If its null then it copies the primary key to a new object and marks it as tombstone.
/// 2. Adds the SyncError to existing list of SyncErrors.
/// </summary>
/// <param name="sqlProvider"></param>
private void ProcessRejectedEntities(SqlSyncProviderService sqlProvider)
{
if (this._rejectedEntities == null || this._rejectedEntities.Count == 0)
{
return;
}
try
{
List <IOfflineEntity> serverVersions = sqlProvider.GetCurrentServerVersionForEntities(this._rejectedEntities.Keys);
if (serverVersions.Count != this._rejectedEntities.Count)
{
// Ensure we get a server version for each entity we passed
throw new InvalidOperationException("Did not get server versions for all rejected entities.");
}
for (int i = 0; i < this._rejectedEntities.Keys.Count; i++)
{
IOfflineEntity server = serverVersions[i];
IOfflineEntity client = this._rejectedEntities.Keys.ElementAt(i);
if (server == null)
{
// This means the server didnt contain a version for the entity. Need to send a tombstone back then
// create a new object and copy the values over
ConstructorInfo constructorInfo = client.GetType().GetConstructor(Type.EmptyTypes);
server = (IOfflineEntity)constructorInfo.Invoke(null);
// Copy the primary key values over
foreach (PropertyInfo info in ReflectionUtility.GetPrimaryKeysPropertyInfoMapping(client.GetType()))
{
info.SetValue(server, info.GetValue(client, null), null);
}
server.ServiceMetadata.IsTombstone = true;
}
SyncError error = new SyncError()
{
ErrorEntity = client,
LiveEntity = server,
Description = this._rejectedEntities[client]
};
_applyChangesResponse.Errors.Add(error);
}
}
catch (Exception e)
{
throw new InvalidOperationException("Error in reading server row values. " + e.Message);
}
}
internal void GetEntityFromDataRow(DataColumnCollection columnCollection, DataRow row, IOfflineEntity objectToConvert)
{
Type t = objectToConvert.GetType();
Dictionary <string, string> mappingInfo = _localToGlobalPropertyMapping[t];
bool isDeleted = false;
if (row.RowState == DataRowState.Deleted)
{
isDeleted = true;
row.RejectChanges();
}
// Note: Call BeginEdit only after check for Deleted row state,
// otherwise this call will crash.
row.BeginEdit();
for (Int32 i = 0; i <= columnCollection.Count - 1; i++)
{
if (IsSyncSpecificColumn(columnCollection[i].ColumnName))
{
continue;
}
//NOTE: the datarow column names must match exactly (including case) to the IOfflineEntity's property names
object columnValue = row[columnCollection[i].ColumnName];
if (DBNull.Value != columnValue)
{
t.InvokeMember((mappingInfo.ContainsKey(columnCollection[i].ColumnName))
? mappingInfo[columnCollection[i].ColumnName]
: columnCollection[i].ColumnName,
BindingFlags.SetProperty, null,
objectToConvert,
new[] { columnValue });
}
}
if (isDeleted)
{
row.Delete();
// Mark the IsTombstone field if the RowState was deleted.
objectToConvert.ServiceMetadata.IsTombstone = true;
}
row.EndEdit();
}
/// <summary>
/// This writes the public contents of the Entity in the properties element.
/// </summary>
/// <param name="element"></param>
/// <param name="entity">Entity</param>
/// <returns>XElement representation of the properties element</returns>
void WriteEntityContents(XElement element, IOfflineEntity entity)
{
// Write only the primary keys if its an tombstone
PropertyInfo[] properties = ReflectionUtility.GetPropertyInfoMapping(entity.GetType());
// Write individual properties to the feed,
foreach (PropertyInfo fi in properties.OrderBy(val => val.Name.StartsWith("__") ? val.Name.Substring(2) : val.Name))
{
object value = fi.GetValue(entity, null);
Type propType = fi.PropertyType;
if (fi.PropertyType.IsGenericType && fi.PropertyType.Name.Equals(FormatterConstants.NullableTypeName, StringComparison.InvariantCulture))
{
// Its a Nullable<T> property
propType = fi.PropertyType.GetGenericArguments()[0];
}
if (value == null)
{
element.Add(new XElement(FormatterConstants.AtomXmlNamespace + C.NullableProperty));
}
else if (propType == FormatterConstants.DateTimeType ||
propType == FormatterConstants.TimeSpanType ||
propType == FormatterConstants.DateTimeOffsetType)
{
element.Add(new XElement(FormatterConstants.AtomXmlNamespace + C.Property, FormatterUtilities.ConvertDateTimeForType_Atom(value, propType)));
}
else if (propType != FormatterConstants.ByteArrayType)
{
element.Add(new XElement(FormatterConstants.AtomXmlNamespace + C.Property, value));
}
else
{
byte[] bytes = (byte[])value;
element.Add(new XElement(FormatterConstants.AtomXmlNamespace + C.Property, Convert.ToBase64String(bytes)));
}
}
}
internal void GetEntityFromDataRow(DataColumnCollection columnCollection, DataRow row, IOfflineEntity objectToConvert)
{
Type t = objectToConvert.GetType();
Dictionary<string, string> mappingInfo = _localToGlobalPropertyMapping[t];
bool isDeleted = false;
if (row.RowState == DataRowState.Deleted)
{
isDeleted = true;
row.RejectChanges();
}
// Note: Call BeginEdit only after check for Deleted row state,
// otherwise this call will crash.
row.BeginEdit();
for (Int32 i = 0; i <= columnCollection.Count - 1; i++)
{
if (IsSyncSpecificColumn(columnCollection[i].ColumnName))
{
continue;
}
//NOTE: the datarow column names must match exactly (including case) to the IOfflineEntity's property names
object columnValue = row[columnCollection[i].ColumnName];
if (DBNull.Value != columnValue)
{
t.InvokeMember((mappingInfo.ContainsKey(columnCollection[i].ColumnName))
? mappingInfo[columnCollection[i].ColumnName]
: columnCollection[i].ColumnName,
BindingFlags.SetProperty, null,
objectToConvert,
new[] {columnValue});
}
}
if (isDeleted)
{
row.Delete();
// Mark the IsTombstone field if the RowState was deleted.
objectToConvert.ServiceMetadata.IsTombstone = true;
}
row.EndEdit();
}
/// <summary>
/// Copies the individual properties from the entity back in to the DataTable's first row.
/// This should be used only when merging a user conflict resolution back in to a DataRow.
/// This returns the merged results as an object array
/// </summary>
/// <param name="entity">Entity from which to read values</param>
/// <param name="table">The Table whose first DataRow will be updated.</param>
/// <returns>The contents of the DataRow as an object array</returns>
internal object[] CopyEntityToDataRow(IOfflineEntity entity, DataTable table)
{
Debug.Assert(table.Rows.Count == 1, "table.Rows.Count ==1");
if (table.Rows.Count != 1)
{
throw new InvalidOperationException("Cannot copy Entity to a DataTable whose row count != 1");
}
Dictionary<string, string> mappingInfo = _localToGlobalPropertyMapping[entity.GetType()];
// Check for tombstones
bool isRowDeleted = false;
if (table.Rows[0].RowState == DataRowState.Deleted)
{
isRowDeleted = true;
table.Rows[0].RejectChanges();
}
// Retrieve the current row values
object[] rowValues = table.Rows[0].ItemArray;
PropertyInfo[] properties = entity.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance);
for (int i = 0; i < table.Columns.Count; i++)
{
// Iterate over each non sync column and read its value from the entity
if (IsSyncSpecificColumn(table.Columns[i].ColumnName))
{
continue;
}
// Read the value of the property
string columnName = null;
mappingInfo.TryGetValue(table.Columns[i].ColumnName, out columnName);
columnName = columnName ?? table.Columns[i].ColumnName;
// Retrieve the PropertyInfo
PropertyInfo info = properties.Where(e => e.Name.Equals(columnName, StringComparison.Ordinal)).FirstOrDefault();
Debug.Assert(info != null, "PropertyInfo is not null.");
// Get the property's value and put it in the object array
rowValues[i] = info.GetValue(entity, null) ?? DBNull.Value;
}
// Write the row values back to the DataRow
table.Rows[0].ItemArray = rowValues;
if (isRowDeleted)
{
table.Rows[0].Delete();
}
return rowValues;
}
/// <summary>
/// This writes the public contents of the Entity in the properties element.
/// </summary>
/// <param name="entity">Entity</param>
/// <returns>XElement representation of the properties element</returns>
XElement WriteEntityContents(IOfflineEntity entity)
{
XElement contentElement = new XElement(FormatterConstants.ODataMetadataNamespace + FormatterConstants.PropertiesElementName);
// Write only the primary keys if its an tombstone
IEnumerable<PropertyInfo> properties = ReflectionUtility.GetPropertyInfoMapping(entity.GetType());
// Write individual properties to the feed,
foreach (PropertyInfo fi in properties)
{
string edmType = FormatterUtilities.GetEdmType(fi.PropertyType);
object value = fi.GetValue(entity, null);
Type propType = fi.PropertyType;
if(fi.PropertyType.IsGenericType() && fi.PropertyType.Name.Equals(FormatterConstants.NullableTypeName, StringComparison.CurrentCultureIgnoreCase))
{
// Its a Nullable<T> property
propType = fi.PropertyType.GetGenericArguments()[0];
}
if (value == null)
{
contentElement.Add(
new XElement(FormatterConstants.ODataDataNamespace + fi.Name,
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubTypeElementName, edmType),
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubIsNullElementName, true)));
}
else if (propType == FormatterConstants.DateTimeType ||
propType == FormatterConstants.TimeSpanType ||
propType == FormatterConstants.DateTimeOffsetType)
{
contentElement.Add(
new XElement(FormatterConstants.ODataDataNamespace + fi.Name,
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubTypeElementName, edmType),
FormatterUtilities.ConvertDateTimeForType_Atom(value, propType)));
}
else if (propType != FormatterConstants.ByteArrayType)
{
contentElement.Add(
new XElement(FormatterConstants.ODataDataNamespace + fi.Name,
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubTypeElementName, edmType),
value));
}
else
{
byte[] bytes = (byte[])value;
contentElement.Add(
new XElement(FormatterConstants.ODataDataNamespace + fi.Name,
new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.AtomPubTypeElementName, edmType),
Convert.ToBase64String(bytes)));
}
}
return contentElement;
}
/// <summary>
/// Writes the <entry/> tag and all its related elements.
/// </summary>
/// <param name="live">Actual entity whose value is to be emitted.</param>
/// <param name="tempId">The temporary Id if any</param>
/// <param name="emitPartial">Bool flag that denotes whether a partial metadata only entity is to be written</param>
/// <returns>XElement representation of the entry element</returns>
private XElement WriteEntry(IOfflineEntity live, string tempId, bool emitPartial)
{
string typeName = live.GetType().FullName;
if (!live.GetServiceMetadata().IsTombstone)
{
XElement entryElement = new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubEntryElementName);
// Add Etag
if (!string.IsNullOrEmpty(live.GetServiceMetadata().ETag))
{
entryElement.Add(new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.EtagElementName, live.GetServiceMetadata().ETag));
}
// Add TempId element
if (!string.IsNullOrEmpty(tempId))
{
entryElement.Add(new XElement(FormatterConstants.SyncNamespace + FormatterConstants.TempIdElementName, tempId));
}
// Add Id element
entryElement.Add(new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubIdElementName,
string.IsNullOrEmpty(live.GetServiceMetadata().Id) ? string.Empty : live.GetServiceMetadata().Id));
// Add title element
entryElement.Add(new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubTitleElementName,
new XAttribute(FormatterConstants.AtomPubTypeElementName, "text")));
// Add updated element
entryElement.Add(new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubUpdatedElementName,
XmlConvert.ToString(DateTime.Now)));
// Add author element
entryElement.Add(new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubAuthorElementName,
new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubNameElementName)));
// Write the <link> element
entryElement.Add(
new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubLinkElementName,
new XAttribute(FormatterConstants.AtomPubRelAttrName, FormatterConstants.AtomPubEditLinkAttributeName),
new XAttribute(FormatterConstants.AtomPubTitleElementName, typeName),
new XAttribute(FormatterConstants.AtomPubHrefAttrName,
(live.GetServiceMetadata().EditUri != null) ? live.GetServiceMetadata().EditUri.ToString() : string.Empty)));
// Write the <category> element
entryElement.Add(
new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubCategoryElementName,
new XAttribute(FormatterConstants.AtomPubTermAttrName, live.GetType().FullName),
new XAttribute(FormatterConstants.AtomPubSchemaAttrName, FormatterConstants.ODataSchemaNamespace)));
XElement contentElement = new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubContentElementName);
if (!emitPartial)
{
// Write the entity contents
contentElement.Add(WriteEntityContents(live));
}
// Add the contents entity to the outer entity.
entryElement.Add(contentElement);
return entryElement;
}
// Write the at:deleted-entry tombstone element
XElement tombstoneElement = new XElement(FormatterConstants.AtomDeletedEntryNamespace + FormatterConstants.AtomDeletedEntryElementName);
tombstoneElement.Add(new XElement(FormatterConstants.AtomNamespaceUri + FormatterConstants.AtomReferenceElementName, live.GetServiceMetadata().Id));
tombstoneElement.Add(new XElement(FormatterConstants.SyncNamespace + FormatterConstants.AtomPubCategoryElementName, typeName));
return tombstoneElement;
}
/// <summary>
/// Writes the <entry/> tag and all its related elements.
/// </summary>
/// <param name="live">Actual entity whose value is to be emitted.</param>
/// <param name="tempId">The temporary Id if any</param>
/// <param name="emitPartial">Bool flag that denotes whether a partial metadata only entity is to be written</param>
/// <returns>XElement representation of the entry element</returns>
private XElement WriteEntry(IOfflineEntity live, string tempId, bool emitPartial)
{
string typeName = live.GetType().FullName;
if (!live.ServiceMetadata.IsTombstone)
{
XElement entryElement = new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubEntryElementName);
// Add Etag
if (!string.IsNullOrEmpty(live.ServiceMetadata.ETag))
{
entryElement.Add(new XAttribute(FormatterConstants.ODataMetadataNamespace + FormatterConstants.EtagElementName, live.ServiceMetadata.ETag));
}
// Add TempId element
if (!string.IsNullOrEmpty(tempId))
{
entryElement.Add(new XElement(FormatterConstants.SyncNamespace + FormatterConstants.TempIdElementName, tempId));
}
// Add Id element
entryElement.Add(new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubIdElementName,
string.IsNullOrEmpty(live.ServiceMetadata.Id) ? string.Empty : live.ServiceMetadata.Id));
// Add title element
entryElement.Add(new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubTitleElementName,
new XAttribute(FormatterConstants.AtomPubTypeElementName, "text")));
// Add updated element
entryElement.Add(new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubUpdatedElementName,
XmlConvert.ToString(DateTime.Now, XmlDateTimeSerializationMode.Utc)));
// Add author element
entryElement.Add(new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubAuthorElementName,
new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubNameElementName)));
// Write the <link> element
entryElement.Add(
new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubLinkElementName,
new XAttribute(FormatterConstants.AtomPubRelAttrName, FormatterConstants.AtomPubEditLinkAttributeName),
new XAttribute(FormatterConstants.AtomPubTitleElementName, typeName),
// TODO fix me
new XAttribute(FormatterConstants.AtomPubHrefAttrName,
(live.ServiceMetadata.EditUri != null) ? live.ServiceMetadata.EditUri.ToString() : string.Empty)));
// Write the <category> element
entryElement.Add(
new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubCategoryElementName,
new XAttribute(FormatterConstants.AtomPubTermAttrName, live.GetType().FullName),
new XAttribute(FormatterConstants.AtomPubSchemaAttrName, FormatterConstants.ODataSchemaNamespace)));
XElement contentElement = new XElement(FormatterConstants.AtomXmlNamespace + FormatterConstants.AtomPubContentElementName);
if (!emitPartial)
{
// Write the entity contents
contentElement.Add(WriteEntityContents(live));
}
// Add the contents entity to the outer entity.
entryElement.Add(contentElement);
return(entryElement);
}
else
{
// Write the at:deleted-entry tombstone element
XElement tombstoneElement = new XElement(FormatterConstants.AtomDeletedEntryNamespace + FormatterConstants.AtomDeletedEntryElementName);
tombstoneElement.Add(new XElement(FormatterConstants.AtomNamespaceUri + FormatterConstants.AtomReferenceElementName, live.ServiceMetadata.Id));
tombstoneElement.Add(new XElement(FormatterConstants.SyncNamespace + FormatterConstants.AtomPubCategoryElementName, typeName));
return(tombstoneElement);
}
}
/// <summary>
/// This writes the public contents of the Entity in the properties element.
/// </summary>
/// <param name="element"></param>
/// <param name="entity">Entity</param>
/// <returns>XElement representation of the properties element</returns>
void WriteEntityContents(XElement element, IOfflineEntity entity)
{
// Write only the primary keys if its an tombstone
PropertyInfo[] properties = ReflectionUtility.GetPropertyInfoMapping(entity.GetType());
// Write individual properties to the feed,
foreach (PropertyInfo fi in properties.OrderBy(val => val.Name.StartsWith("__") ? val.Name.Substring(2) : val.Name))
{
object value = fi.GetValue(entity, null);
Type propType = fi.PropertyType;
if (fi.PropertyType.IsGenericType && fi.PropertyType.Name.Equals(FormatterConstants.NullableTypeName, StringComparison.InvariantCulture))
{
// Its a Nullable<T> property
propType = fi.PropertyType.GetGenericArguments()[0];
}
if (value == null)
{
element.Add(new XElement(FormatterConstants.AtomXmlNamespace + C.NullableProperty));
}
else if (propType == FormatterConstants.DateTimeType ||
propType == FormatterConstants.TimeSpanType ||
propType == FormatterConstants.DateTimeOffsetType)
{
element.Add(new XElement(FormatterConstants.AtomXmlNamespace + C.Property, FormatterUtilities.ConvertDateTimeForType_Atom(value, propType)));
}
else if (propType != FormatterConstants.ByteArrayType)
{
element.Add(new XElement(FormatterConstants.AtomXmlNamespace + C.Property, value));
}
else
{
byte[] bytes = (byte[])value;
element.Add(new XElement(FormatterConstants.AtomXmlNamespace + C.Property, Convert.ToBase64String(bytes)));
}
}
}
/// <summary>
/// Build the OData Atom primary keystring representation
/// </summary>
/// <param name="live">Entity for which primary key is required</param>
/// <returns>String representation of the primary key</returns>
public static string GetPrimaryKeyString(IOfflineEntity live)
{
StringBuilder builder = new StringBuilder();
string sep = string.Empty;
foreach (PropertyInfo keyInfo in GetPrimaryKeysPropertyInfoMapping(live.GetType()))
{
if (keyInfo.PropertyType == FormatterConstants.GuidType)
builder.AppendFormat("{0}{1}=guid'{2}'", sep, keyInfo.Name, keyInfo.GetValue(live, null));
else if (keyInfo.PropertyType == FormatterConstants.StringType)
builder.AppendFormat("{0}{1}='{2}'", sep, keyInfo.Name, keyInfo.GetValue(live, null));
else
builder.AppendFormat("{0}{1}={2}", sep, keyInfo.Name, keyInfo.GetValue(live, null));
if(string.IsNullOrEmpty(sep))
sep = ", ";
}
return builder.ToString();
}
/// <summary>
/// Writes the Json object tag and all its related elements.
/// </summary>
/// <param name="live">Actual entity whose value is to be emitted.</param>
/// <param name="entryElement">This is the parent entry element that is needs to go in to. Will be null for regular items and non null for
/// conflict/error items only</param>
/// <param name="tempId">The tempId for the element if passed in by the client.</param>
/// <param name="emitPartial">Bool flag that denotes whether a partial metadata only entity is to be written</param>
/// <returns>XElement representation of the entry element</returns>
private XElement WriteEntry(IOfflineEntity live, XElement entryElement, string tempId, bool emitPartial)
{
string typeName = live.GetType().FullName;
if (entryElement == null)
{
entryElement = new XElement("item",
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Object));
}
// Write the _metadata object for this entry
XElement entryMetadata = new XElement(FormatterConstants.JsonSyncEntryMetadataElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Object));
// Add the tempId to metadata
if (!string.IsNullOrEmpty(tempId))
{
entryMetadata.Add(new XElement(FormatterConstants.TempIdElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String), tempId));
}
// Add the uri to metadata
entryMetadata.Add(new XElement(FormatterConstants.JsonSyncEntryUriElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
string.IsNullOrEmpty(live.ServiceMetadata.Id) ? string.Empty : live.ServiceMetadata.Id));
// Add the etag to metadata
if (!string.IsNullOrEmpty(live.ServiceMetadata.ETag))
{
entryMetadata.Add(new XElement(FormatterConstants.EtagElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String), live.ServiceMetadata.ETag));
}
// Add the edituri to metadata
if (live.ServiceMetadata.EditUri != null)
{
entryMetadata.Add(new XElement(FormatterConstants.EditUriElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String), live.ServiceMetadata.EditUri));
}
// Add the type to metadata
entryMetadata.Add(new XElement(FormatterConstants.JsonSyncEntryTypeElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
typeName));
// Write the tombstone element
if (live.ServiceMetadata.IsTombstone)
{
entryMetadata.Add(new XElement(FormatterConstants.IsDeletedElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Boolean),
true));
}
else if (!emitPartial)
{
// Write the entity contents only when its not a tombstone
WriteEntityContentsToElement(entryElement, live);
}
// Add the metadata to the entry element
entryElement.Add(entryMetadata);
return(entryElement);
}
//Note: Removed ref here
private void AddEntityToDataSet(IOfflineEntity objectToRead, DataSet dataSet, string tableName)
{
Type t = objectToRead.GetType();
PropertyInfo[] properties = t.GetProperties();
Dictionary<string, string> globalToLocalMappingInfo = _globalToLocalPropertyMapping[t];
Dictionary<string, string> localToGlobalMappingInfo = _localToGlobalPropertyMapping[t];
// We need to create the table if it doesn't already exist
DataTable dataTable = dataSet.Tables[tableName];
if (dataTable == null)
{
dataSet.Tables.Add(tableName);
dataTable = dataSet.Tables[tableName];
// Create the columns of the table based off the
// properties we reflected from the type
foreach (PropertyInfo property in properties)
{
// Do not add service related properties.
if (IsOfflineEntityServiceProperty(property.PropertyType))
{
continue;
}
Type type = property.PropertyType;
if (property.PropertyType.IsGenericType && property.PropertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
{
type = property.PropertyType.GetGenericArguments()[0];
}
if (globalToLocalMappingInfo.ContainsKey(property.Name))
{
dataTable.Columns.Add(globalToLocalMappingInfo[property.Name], type);
}
else
{
dataTable.Columns.Add(property.Name, type);
}
}
// SQL Provider does not set primary keys on DataTable. So set Primary Keys if its not set
ReflectionUtility.SetDataTablePrimaryKeys(dataTable, objectToRead.GetType(), globalToLocalMappingInfo);
}
dataTable.BeginLoadData();
// Now the table should exist so add records to it.
var columnArray = new object[dataTable.Columns.Count];
for (int i = 0; i <= columnArray.Length - 1; i++)
{
// The property name to be set on the IOfflineEntity is the ColumnName unless there is a
// SyncEntityPropertyMappingAttribute for the property in which case the name of that property is used instead.
string colName = dataTable.Columns[i].ColumnName;
if (localToGlobalMappingInfo.ContainsKey(colName))
{
colName = localToGlobalMappingInfo[colName];
}
if (objectToRead.ServiceMetadata.IsTombstone && !dataTable.PrimaryKey.Contains(dataTable.Columns[i]))
{
columnArray[i] = DBNull.Value;
}
else
{
columnArray[i] = t.InvokeMember(colName,
BindingFlags.GetProperty, null,
objectToRead, new object[0]);
if (columnArray[i] != null)
{
if (columnArray[i].Equals(new Guid("00000000-0000-0000-0000-000000000000")))
columnArray[i] = DBNull.Value;
}
}
}
// Add the row to the table in the dataset
DataRow row = dataTable.LoadDataRow(columnArray, true);
// If the entity is a tombstone, set the DataRowState property by calling the Delete or SetAdded method.
if (objectToRead.ServiceMetadata.IsTombstone)
{
row.Delete();
}
else
{
row.SetAdded();
}
dataTable.EndLoadData();
}
/// <summary>
/// Generate the Id for an entity. The format currently is the OData Id.
/// i.e. http://baseUri/tableName(primarykeylist)
/// </summary>
/// <param name="entity"></param>
/// <returns></returns>
internal static string GenerateOfflineEntityId(IOfflineEntity entity)
{
var primaryKeyString = ReflectionUtility.GetPrimaryKeyString(entity);
if (String.IsNullOrEmpty(primaryKeyString))
{
throw SyncServiceException.CreateInternalServerError(
String.Format("GetPrimaryKeyString method returned an empty string for entity type {0}.", entity.GetType()));
}
return(String.Format(@"{0}/{1}({2})", "http://bitmobile.com/" + AppDomain.CurrentDomain.FriendlyName /*WebOperationContext.Current.IncomingRequest.UriTemplateMatch.BaseUri*/, entity.GetType().Name, primaryKeyString));
}
/// <summary>
/// Parse the Id string and populate key fields of the object. This is called when the client sends tombstones
/// and the Key fields are not present in the input payload.
/// The approach used is to parse each key field individually and set it to a property with the same name.
/// For example: For http://host/service.svc/Tag(ID=1), we parse out ID=1 and then populate the ID property of the targetObject with the
/// value 1.
/// </summary>
/// <param name="entity">Entity for which we need to set the key fields.</param>
/// <param name="serviceBaseUri">
/// Base Uri of the service. The ServiceMetadata.Id property has the Uri which we want to strip off before attempting to
/// parse the keys and values.
/// </param>
internal static void ParseIdStringAndPopulateKeyFields(IOfflineEntity entity, Uri serviceBaseUri)
{
Debug.Assert(null != entity);
Debug.Assert(!String.IsNullOrEmpty(entity.ServiceMetadata.Id));
string idString = entity.ServiceMetadata.Id;
// Remove the ServiceUri and the entity type name from the EntityId
// Note: Case sensitive comparisons are made since the client isn't supposed to change the Id for an
// entity.
string serviceUriWithTableName = serviceBaseUri + "/" + entity.GetType().Name;
// If the Id does not have the correct format of serviceUri/TableName, then we should not continue further.
if (!idString.StartsWith(serviceUriWithTableName, false, CultureInfo.InvariantCulture))
{
throw SyncServiceException.CreateBadRequestError(String.Format(Strings.EntityIdFormatIsIncorrect, idString));
}
// Remove the host and the table name from the Id.
// Example: http://host/service.svc/table(id=123) will become (id=123)
idString = idString.Remove(0, serviceUriWithTableName.Length);
// Remove leading '/' if any. After this the id string is of the format (ID=1) or (ID=guid'<guidValue>')
// If there are multiple Id values then, they are comma separated.));))
if (idString.StartsWith("/"))
{
idString = idString.Substring(1);
}
// Make sure the ( and ) parenthesis exist.
if (String.IsNullOrEmpty(idString) || idString[0] != '(' || idString[idString.Length - 1] != ')')
{
throw SyncServiceException.CreateBadRequestError(String.Format(Strings.EntityIdFormatIsIncorrect, entity.ServiceMetadata.Id));
}
// Remove the ( and ) characters.
idString = idString.Substring(1, idString.Length - 2);
// Get the key properties for the entity.
var keyFieldPropertyInfoList = ReflectionUtility.GetPrimaryKeysPropertyInfoMapping(entity.GetType());
// Split the string and get individual keyvalue pair strings. They key and value are still a single string separated by '='.
// for types such as Guid, the value will be prefixed with 'guid'.
string[] primaryKeyValuePair = idString.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
// Throw if there is a mismatch between the key count of the entity and that passed in the URI.
if (primaryKeyValuePair.Length != keyFieldPropertyInfoList.Length)
{
throw SyncServiceException.CreateBadRequestError(String.Format(Strings.BadRequestKeyCountMismatch, entity.ServiceMetadata.Id, entity.GetType()));
}
// At this point, we have key value pairs of the form "ID=1".
foreach (var keyValuePair in primaryKeyValuePair)
{
// example: ID=1
string[] keyValue = keyValuePair.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
// Every key should have only 2 components.
Debug.Assert(2 == keyValue.Length);
// Get the property from the key list.
string key = keyValue[0].Trim();
var propertyInfo = keyFieldPropertyInfoList.Where(p => p.Name == key).FirstOrDefault();
if (null == propertyInfo)
{
throw SyncServiceException.CreateBadRequestError(
String.Format(Strings.BadRequestKeyNotFoundInResource, key, entity.ServiceMetadata.Id, entity.GetType()));
}
// Get typed value of the value.
object targetValue;
// Parse the value based on the target type.
if (!ODataIdParser.TryKeyStringToPrimitive(keyValue[1], propertyInfo.PropertyType, out targetValue))
{
throw SyncServiceException.CreateBadRequestError(
String.Format(Strings.UnableToParseKeyValueForProperty, keyValuePair, entity.ServiceMetadata.Id));
}
// Set the property value.
propertyInfo.SetValue(entity, targetValue, null);
}
}
//Note: Removed ref here
private void AddEntityToDataSet(IOfflineEntity objectToRead, DataSet dataSet, string tableName)
{
Type t = objectToRead.GetType();
PropertyInfo[] properties = t.GetProperties();
Dictionary <string, string> globalToLocalMappingInfo = _globalToLocalPropertyMapping[t];
Dictionary <string, string> localToGlobalMappingInfo = _localToGlobalPropertyMapping[t];
// We need to create the table if it doesn't already exist
DataTable dataTable = dataSet.Tables[tableName];
if (dataTable == null)
{
dataSet.Tables.Add(tableName);
dataTable = dataSet.Tables[tableName];
// Create the columns of the table based off the
// properties we reflected from the type
foreach (PropertyInfo property in properties)
{
// Do not add service related properties.
if (IsOfflineEntityServiceProperty(property.PropertyType))
{
continue;
}
Type type = property.PropertyType;
if (property.PropertyType.IsGenericType && property.PropertyType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
type = property.PropertyType.GetGenericArguments()[0];
}
if (globalToLocalMappingInfo.ContainsKey(property.Name))
{
dataTable.Columns.Add(globalToLocalMappingInfo[property.Name], type);
}
else
{
dataTable.Columns.Add(property.Name, type);
}
}
// SQL Provider does not set primary keys on DataTable. So set Primary Keys if its not set
ReflectionUtility.SetDataTablePrimaryKeys(dataTable, objectToRead.GetType(), globalToLocalMappingInfo);
}
dataTable.BeginLoadData();
// Now the table should exist so add records to it.
var columnArray = new object[dataTable.Columns.Count];
for (int i = 0; i <= columnArray.Length - 1; i++)
{
// The property name to be set on the IOfflineEntity is the ColumnName unless there is a
// SyncEntityPropertyMappingAttribute for the property in which case the name of that property is used instead.
string colName = dataTable.Columns[i].ColumnName;
if (localToGlobalMappingInfo.ContainsKey(colName))
{
colName = localToGlobalMappingInfo[colName];
}
if (objectToRead.ServiceMetadata.IsTombstone && !dataTable.PrimaryKey.Contains(dataTable.Columns[i]))
{
columnArray[i] = DBNull.Value;
}
else
{
columnArray[i] = t.InvokeMember(colName,
BindingFlags.GetProperty, null,
objectToRead, new object[0]);
if (columnArray[i] != null)
{
if (columnArray[i].Equals(new Guid("00000000-0000-0000-0000-000000000000")))
{
columnArray[i] = DBNull.Value;
}
}
}
}
// Add the row to the table in the dataset
DataRow row = dataTable.LoadDataRow(columnArray, true);
// If the entity is a tombstone, set the DataRowState property by calling the Delete or SetAdded method.
if (objectToRead.ServiceMetadata.IsTombstone)
{
row.Delete();
}
else
{
row.SetAdded();
}
dataTable.EndLoadData();
}
/// <summary>
/// Writes the Json object tag and all its related elements.
/// </summary>
/// <param name="live">Actual entity whose value is to be emitted.</param>
/// <param name="entryElement">This is the parent entry element that is needs to go in to. Will be null for regular items and non null for
/// conflict/error items only</param>
/// <param name="tempId">The tempId for the element if passed in by the client.</param>
/// <param name="emitPartial">Bool flag that denotes whether a partial metadata only entity is to be written</param>
/// <returns>XElement representation of the entry element</returns>
private XElement WriteEntry(IOfflineEntity live, XElement entryElement, string tempId, bool emitPartial)
{
string typeName = live.GetType().FullName;
if (entryElement == null)
{
entryElement = new XElement("item",
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Object));
}
// Write the _metadata object for this entry
XElement entryMetadata = new XElement(FormatterConstants.JsonSyncEntryMetadataElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Object));
// Add the tempId to metadata
if (!string.IsNullOrEmpty(tempId))
{
entryMetadata.Add(new XElement(FormatterConstants.TempIdElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String), tempId));
}
// Add the uri to metadata
entryMetadata.Add(new XElement(FormatterConstants.JsonSyncEntryUriElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
string.IsNullOrEmpty(live.ServiceMetadata.Id) ? string.Empty : live.ServiceMetadata.Id));
// Add the etag to metadata
if (!string.IsNullOrEmpty(live.ServiceMetadata.ETag))
{
entryMetadata.Add(new XElement(FormatterConstants.EtagElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String), live.ServiceMetadata.ETag));
}
// Add the edituri to metadata
if (live.ServiceMetadata.EditUri != null)
{
entryMetadata.Add(new XElement(FormatterConstants.EditUriElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String), live.ServiceMetadata.EditUri));
}
// Add the type to metadata
entryMetadata.Add(new XElement(FormatterConstants.JsonSyncEntryTypeElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
typeName));
// Write the tombstone element
if (live.ServiceMetadata.IsTombstone)
{
entryMetadata.Add(new XElement(FormatterConstants.IsDeletedElementName,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Boolean),
true));
}
else if (!emitPartial)
{
// Write the entity contents only when its not a tombstone
WriteEntityContentsToElement(entryElement, live);
}
// Add the metadata to the entry element
entryElement.Add(entryMetadata);
return entryElement;
}
/// <summary>
/// This writes the public contents of the Entity to the passed in XElement.
/// </summary>
/// <param name="contentElement">The XElement to which the type properties is added to</param>
/// <param name="entity">Entity</param>
/// <returns>XElement representation of the properties element</returns>
void WriteEntityContentsToElement(XElement contentElement, IOfflineEntity entity)
{
PropertyInfo[] properties = ReflectionUtility.GetPropertyInfoMapping(entity.GetType());
// Write individual properties to the feed,
foreach (PropertyInfo fi in properties)
{
object objValue = fi.GetValue(entity, null);
if (objValue == null)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Null),
objValue));
}
else if (fi.PropertyType == FormatterConstants.CharType ||
fi.PropertyType == FormatterConstants.StringType ||
fi.PropertyType == FormatterConstants.GuidType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
objValue));
}
else if (fi.PropertyType == FormatterConstants.DateTimeType ||
fi.PropertyType == FormatterConstants.TimeSpanType ||
fi.PropertyType == FormatterConstants.DateTimeOffsetType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
FormatterUtilities.ConvertDateTimeForType_Json(objValue, fi.PropertyType)));
}
else if (fi.PropertyType == FormatterConstants.BoolType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Boolean),
objValue));
}
else if (fi.PropertyType == FormatterConstants.ByteArrayType)
{
byte[] bytes = (byte[])objValue;
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
Convert.ToBase64String(bytes)));
}
else if (fi.PropertyType.IsGenericType && fi.PropertyType.Name.Equals(FormatterConstants.NullableTypeName, StringComparison.InvariantCulture))
{
// Its a Nullable<T> property
Type genericParamType = fi.PropertyType.GetGenericArguments()[0];
string elementType = JsonElementTypes.Number;
if (genericParamType == FormatterConstants.BoolType)
{
elementType = JsonElementTypes.Boolean;
}
else if (genericParamType == FormatterConstants.DateTimeType ||
genericParamType == FormatterConstants.TimeSpanType ||
genericParamType == FormatterConstants.DateTimeOffsetType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
FormatterUtilities.ConvertDateTimeForType_Json(objValue, genericParamType)));
continue;
}
else if (genericParamType == FormatterConstants.CharType ||
genericParamType == FormatterConstants.GuidType)
{
elementType = JsonElementTypes.String;
}
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, elementType),
objValue));
}
else // Its a number
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Number),
objValue));
}
}
}
/// <summary>
/// This writes the public contents of the Entity to the passed in XElement.
/// </summary>
/// <param name="contentElement">The XElement to which the type properties is added to</param>
/// <param name="entity">Entity</param>
/// <returns>XElement representation of the properties element</returns>
void WriteEntityContentsToElement(XElement contentElement, IOfflineEntity entity)
{
PropertyInfo[] properties = ReflectionUtility.GetPropertyInfoMapping(entity.GetType());
// Write individual properties to the feed,
foreach (PropertyInfo fi in properties)
{
object objValue = fi.GetValue(entity, null);
if (objValue == null)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Null),
objValue));
}
else if (fi.PropertyType == FormatterConstants.CharType ||
fi.PropertyType == FormatterConstants.StringType ||
fi.PropertyType == FormatterConstants.GuidType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
objValue));
}
else if (fi.PropertyType == FormatterConstants.DateTimeType ||
fi.PropertyType == FormatterConstants.TimeSpanType ||
fi.PropertyType == FormatterConstants.DateTimeOffsetType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
FormatterUtilities.ConvertDateTimeForType_Json(objValue, fi.PropertyType)));
}
else if (fi.PropertyType == FormatterConstants.BoolType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Boolean),
objValue));
}
else if (fi.PropertyType == FormatterConstants.ByteArrayType)
{
byte[] bytes = (byte[])objValue;
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
Convert.ToBase64String(bytes)));
}
else if (fi.PropertyType.IsGenericType && fi.PropertyType.Name.Equals(FormatterConstants.NullableTypeName, StringComparison.InvariantCulture))
{
// Its a Nullable<T> property
Type genericParamType = fi.PropertyType.GetGenericArguments()[0];
string elementType = JsonElementTypes.Number;
if (genericParamType == FormatterConstants.BoolType)
{
elementType = JsonElementTypes.Boolean;
}
else if (genericParamType == FormatterConstants.DateTimeType ||
genericParamType == FormatterConstants.TimeSpanType ||
genericParamType == FormatterConstants.DateTimeOffsetType)
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.String),
FormatterUtilities.ConvertDateTimeForType_Json(objValue, genericParamType)));
continue;
}
else if (genericParamType == FormatterConstants.CharType ||
genericParamType == FormatterConstants.GuidType)
{
elementType = JsonElementTypes.String;
}
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, elementType),
objValue));
}
else // Its a number
{
contentElement.Add(
new XElement(fi.Name,
new XAttribute(FormatterConstants.JsonTypeAttributeName, JsonElementTypes.Number),
objValue));
}
}
}
/// <summary>
/// Generate and save the SyncId of the LiveEntity.
/// This value is used later after all changes are applied to project on the latest
/// server knowledge and add positive exceptions to the updated client knowledge that is sent in the response.
/// </summary>
/// <param name="tableName">Table name that the entity represents</param>
/// <param name="c">Conflicting entity for which we need to save the SyncId.</param>
private SyncId GenerateSyncIdForConflictingEntity(string tableName, IOfflineEntity c)
{
Debug.Assert(null != c, "null != c");
var pkValues = new List<object>();
// Get the primary key values from the LiveEntity
Type entityType = c.GetType();
// The ordering of keys here is assumed to be the same order in which SyncId's are generated.
// Otherwise, behavior is undefined and incorrect positive exceptions are added.
PropertyInfo[] primaryKeyPropertyInfoMapping = ReflectionUtility.GetPrimaryKeysPropertyInfoMapping(entityType);
foreach (var propertyInfo in primaryKeyPropertyInfoMapping)
{
pkValues.Add(propertyInfo.GetValue(c, null));
}
// Generate the SyncId for the conflicting item.
SyncId rowId = SyncUtil.InitRowId(tableName, pkValues);
return rowId;
}
/// <summary>
/// Writes the <entry/> tag and all its related elements.
/// </summary>
/// <param name="live">Actual entity whose value is to be emitted.</param>
/// <param name="tempId">The temporary Id if any</param>
/// <param name="emitPartial">Bool flag that denotes whether a partial metadata only entity is to be written</param>
/// <returns>XElement representation of the entry element</returns>
private XElement WriteEntry(IOfflineEntity live, string tempId, bool emitPartial)
{
string typeName = live.GetType().FullName;
if (!live.ServiceMetadata.IsTombstone)
{
var entryElement = new XElement(FormatterConstants.AtomXmlNamespace + C.Entry);
entryElement.Add(new XAttribute(C.Caption, typeName));
if (!emitPartial)
{
// Write the entity contents
WriteEntityContents(entryElement, live);
}
return entryElement;
}
// Write the at:deleted-entry tombstone element
var tombstoneElement = new XElement(FormatterConstants.AtomXmlNamespace + C.Tombstone, new XAttribute(C.Caption, typeName));
Guid id;
if (!Guid.TryParse(live.ServiceMetadata.Id, out id))
{
string[] split = live.ServiceMetadata.Id.Split('\'');
id = Guid.Parse(split[1]);
}
tombstoneElement.Add(id.ToString());
return tombstoneElement;
}