GetNetworkInternal
(
String sSearchTerm,
WhatToInclude eWhatToInclude,
Int32 iMaximumStatuses,
RequestStatistics oRequestStatistics,
GraphMLXmlDocument oGraphMLXmlDocument
)
{
Debug.Assert(!String.IsNullOrEmpty(sSearchTerm));
Debug.Assert(iMaximumStatuses > 0);
Debug.Assert(iMaximumStatuses != Int32.MaxValue);
Debug.Assert(oRequestStatistics != null);
Debug.Assert(oGraphMLXmlDocument != null);
AssertValid();
// The key is the Twitter user ID and the value is the corresponding
// TwitterUser.
Dictionary <String, TwitterUser> oUserIDDictionary =
new Dictionary <String, TwitterUser>();
// First, append a vertex for each person who has tweeted the search
// term.
AppendVertexXmlNodesForSearchTerm(sSearchTerm, eWhatToInclude,
iMaximumStatuses, oGraphMLXmlDocument, oUserIDDictionary,
oRequestStatistics);
// Now append a vertex for each person who was mentioned or replied to
// by the first set of people, but who didn't tweet the search term
// himself.
AppendVertexXmlNodesForMentionsAndRepliesTo(eWhatToInclude,
oGraphMLXmlDocument, oUserIDDictionary, oRequestStatistics);
TwitterSearchNetworkGraphMLUtil.AppendVertexTooltipXmlNodes(
oGraphMLXmlDocument, oUserIDDictionary);
if (WhatToIncludeFlagIsSet(eWhatToInclude,
WhatToInclude.FollowedEdges))
{
// Look at each author's friends, and if a friend has also tweeted
// the search term, add an edge between the author and the friend.
AppendFriendEdgeXmlNodes(oUserIDDictionary, MaximumFriends,
oGraphMLXmlDocument, oRequestStatistics);
}
AppendRepliesToAndMentionsEdgeXmlNodes(oGraphMLXmlDocument,
oUserIDDictionary.Values,
TwitterGraphMLUtil.TwitterUsersToUniqueScreenNames(
oUserIDDictionary.Values)
);
}
AppendRepliesToAndMentionsEdgeXmlNodes
(
GraphMLXmlDocument oGraphMLXmlDocument,
IEnumerable <TwitterUser> oTwitterUsers,
HashSet <String> oUniqueScreenNames
)
{
Debug.Assert(oGraphMLXmlDocument != null);
Debug.Assert(oTwitterUsers != null);
Debug.Assert(oUniqueScreenNames != null);
AssertValid();
ReportProgress("Examining relationships.");
TwitterGraphMLUtil.AppendRepliesToAndMentionsEdgeXmlNodes(
oGraphMLXmlDocument, oTwitterUsers, oUniqueScreenNames);
}
AppendUserInformationFromValueDictionary
(
Dictionary <String, Object> oUserValueDictionary,
GraphMLXmlDocument oGraphMLXmlDocument,
TwitterUser oTwitterUser,
Boolean bIncludeStatistics,
Boolean bIncludeLatestStatus,
Boolean bExpandLatestStatusUrls
)
{
Debug.Assert(oUserValueDictionary != null);
Debug.Assert(oGraphMLXmlDocument != null);
Debug.Assert(oTwitterUser != null);
AssertValid();
TwitterGraphMLUtil.AppendCommonUserInformationFromValueDictionary(
oUserValueDictionary, oGraphMLXmlDocument, oTwitterUser);
if (bIncludeStatistics)
{
TwitterGraphMLUtil.AppendUserStatisticsFromValueDictionary(
oUserValueDictionary, oGraphMLXmlDocument, oTwitterUser);
}
// Process the user's latest status if requested.
Object oStatusValueDictionaryAsObject;
if (
bIncludeLatestStatus
&&
oUserValueDictionary.TryGetValue("status",
out oStatusValueDictionaryAsObject)
&&
oStatusValueDictionaryAsObject is Dictionary <String, Object>
)
{
Dictionary <String, Object> oStatusValueDictionary =
(Dictionary <String, Object>)oStatusValueDictionaryAsObject;
AppendLatestStatusInformationFromValueDictionary(
oStatusValueDictionary, oGraphMLXmlDocument, oTwitterUser,
bIncludeLatestStatus, bExpandLatestStatusUrls);
}
}
AppendFriendEdgeXmlNodes
(
Dictionary <String, TwitterUser> oUserIDDictionary,
Int32 iMaximumPeoplePerRequest,
GraphMLXmlDocument oGraphMLXmlDocument,
RequestStatistics oRequestStatistics
)
{
Debug.Assert(oUserIDDictionary != null);
Debug.Assert(iMaximumPeoplePerRequest > 0);
Debug.Assert(oGraphMLXmlDocument != null);
Debug.Assert(oRequestStatistics != null);
AssertValid();
AppendFriendEdgeXmlNodes(
TwitterGraphMLUtil.TwitterUsersToUniqueScreenNames(
oUserIDDictionary.Values),
oUserIDDictionary, iMaximumPeoplePerRequest, oGraphMLXmlDocument,
oRequestStatistics);
}
AppendLatestStatusInformationFromValueDictionary
(
Dictionary <String, Object> oStatusValueDictionary,
GraphMLXmlDocument oGraphMLXmlDocument,
TwitterUser oTwitterUser,
Boolean bIncludeLatestStatus,
Boolean bExpandLatestStatusUrls
)
{
Debug.Assert(oStatusValueDictionary != null);
Debug.Assert(oGraphMLXmlDocument != null);
Debug.Assert(oTwitterUser != null);
AssertValid();
TwitterStatus oTwitterStatus;
if (!TwitterStatus.TryFromStatusValueDictionary(
oStatusValueDictionary, bExpandLatestStatusUrls,
out oTwitterStatus))
{
return;
}
XmlNode oVertexXmlNode = oTwitterUser.VertexXmlNode;
if (bIncludeLatestStatus)
{
// Add the status to the vertex XML node.
oGraphMLXmlDocument.AppendGraphMLAttributeValue(
oVertexXmlNode, TwitterGraphMLUtil.VertexLatestStatusID,
oTwitterStatus.Text);
String sLatestStatusUrls = oTwitterStatus.Urls;
if (!String.IsNullOrEmpty(sLatestStatusUrls))
{
oGraphMLXmlDocument.AppendGraphMLAttributeValue(
oVertexXmlNode,
TwitterGraphMLUtil.VertexLatestStatusUrlsID,
sLatestStatusUrls);
oGraphMLXmlDocument.AppendGraphMLAttributeValue(
oVertexXmlNode,
TwitterGraphMLUtil.VertexLatestStatusDomainsID,
TwitterGraphMLUtil.UrlsToDomains(sLatestStatusUrls));
}
String sLatestStatusHashtags = oTwitterStatus.Hashtags;
if (!String.IsNullOrEmpty(sLatestStatusHashtags))
{
oGraphMLXmlDocument.AppendGraphMLAttributeValue(
oVertexXmlNode,
TwitterGraphMLUtil.VertexLatestStatusHashtagsID,
sLatestStatusHashtags);
}
if (!String.IsNullOrEmpty(oTwitterStatus.ParsedDateUtc))
{
oGraphMLXmlDocument.AppendGraphMLAttributeValue(
oVertexXmlNode,
TwitterGraphMLUtil.VertexLatestStatusDateUtcID,
oTwitterStatus.ParsedDateUtc);
}
TwitterGraphMLUtil.
AppendLatitudeAndLongitudeGraphMLAttributeValues(
oGraphMLXmlDocument, oVertexXmlNode,
oTwitterStatus.Latitude, oTwitterStatus.Longitude);
TwitterGraphMLUtil.AppendInReplyToStatusIDGraphMLAttributeValue(
oGraphMLXmlDocument, oVertexXmlNode,
oTwitterStatus.InReplyToStatusID);
}
oTwitterUser.Statuses.Add(oTwitterStatus);
}
