TryFromStatusValueDictionary
(
Dictionary<String, Object> statusValueDictionary,
Boolean expandStatusUrls,
out TwitterStatus twitterStatus
)
{
Debug.Assert(statusValueDictionary != null);
twitterStatus = null;
// Get the status information.
String statusID, statusText;
if (
!TwitterJsonUtil.TryGetJsonValueFromDictionary(
statusValueDictionary, "id_str", out statusID)
||
!TwitterJsonUtil.TryGetJsonValueFromDictionary(
statusValueDictionary, "text", out statusText)
)
{
return (false);
}
String statusDateUtc;
if ( TwitterJsonUtil.TryGetJsonValueFromDictionary(
statusValueDictionary, "created_at", out statusDateUtc) )
{
statusDateUtc = TwitterDateParser.ParseTwitterDate(statusDateUtc);
}
String latitude, longitude;
TwitterGraphMLUtil.GetLatitudeAndLongitudeFromStatusValueDictionary(
statusValueDictionary, out latitude, out longitude);
String statusUrls, statusHashtags;
TwitterGraphMLUtil.GetUrlsAndHashtagsFromStatusValueDictionary(
statusValueDictionary, expandStatusUrls, out statusUrls,
out statusHashtags);
String inReplyToStatusID;
TwitterJsonUtil.TryGetJsonValueFromDictionary(
statusValueDictionary, "in_reply_to_status_id_str",
out inReplyToStatusID);
// Note that null date, coordinates, URLs hashtags, and in-reply-to-ID
// are acceptable here.
twitterStatus = new TwitterStatus(
statusID, statusText, statusDateUtc, latitude, longitude,
statusUrls, statusHashtags, inReplyToStatusID);
return (true);
}
AppendRepliesToAndMentionsEdgeXmlNodes
(
GraphMLXmlDocument graphMLXmlDocument,
TwitterStatusTextParser twitterStatusTextParser,
HashSet <String> uniqueScreenNames,
String screenName,
TwitterStatus twitterStatus
)
{
Debug.Assert(graphMLXmlDocument != null);
Debug.Assert(twitterStatusTextParser != null);
Debug.Assert(uniqueScreenNames != null);
Debug.Assert(!String.IsNullOrEmpty(screenName));
Debug.Assert(twitterStatus != null);
String statusText = twitterStatus.Text;
Boolean isReplyTo = false;
Boolean isMentions = false;
Debug.Assert(!String.IsNullOrEmpty(statusText));
String repliedToScreenName;
String [] uniqueMentionedScreenNames;
twitterStatusTextParser.GetScreenNames(statusText,
out repliedToScreenName, out uniqueMentionedScreenNames);
if (repliedToScreenName != null)
{
if (
repliedToScreenName != screenName
&&
uniqueScreenNames.Contains(repliedToScreenName)
)
{
isReplyTo = true;
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, repliedToScreenName,
RepliesToRelationship, twitterStatus);
}
}
foreach (String mentionedScreenName in uniqueMentionedScreenNames)
{
if (
mentionedScreenName != screenName
&&
uniqueScreenNames.Contains(mentionedScreenName)
)
{
isMentions = true;
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, mentionedScreenName,
MentionsRelationship, twitterStatus);
}
}
if (!isReplyTo && !isMentions)
{
// Append a self-loop edge to represent the tweet.
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, screenName,
NonRepliesToNonMentionsRelationship, twitterStatus);
}
}
AppendRepliesToAndMentionsEdgeXmlNode
(
GraphMLXmlDocument graphMLXmlDocument,
String screenName1,
String screenName2,
String relationship,
TwitterStatus twitterStatus
)
{
Debug.Assert(graphMLXmlDocument != null);
Debug.Assert(!String.IsNullOrEmpty(screenName1));
Debug.Assert(!String.IsNullOrEmpty(screenName2));
Debug.Assert(!String.IsNullOrEmpty(relationship));
Debug.Assert(twitterStatus != null);
XmlNode edgeXmlNode = NodeXLGraphMLUtil.AppendEdgeXmlNode(
graphMLXmlDocument, screenName1, screenName2, relationship);
String statusDateUtc = twitterStatus.ParsedDateUtc;
Boolean hasStatusDateUtc = !String.IsNullOrEmpty(statusDateUtc);
if (hasStatusDateUtc)
{
// The status's date is the relationship date.
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeRelationshipDateUtcID, statusDateUtc);
}
String statusText = twitterStatus.Text;
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusID, statusText);
String urls = twitterStatus.Urls;
if (!String.IsNullOrEmpty(urls))
{
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusUrlsID, urls);
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusDomainsID, UrlsToDomains(urls));
}
if (!String.IsNullOrEmpty(twitterStatus.Hashtags))
{
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusHashtagsID, twitterStatus.Hashtags);
}
if (hasStatusDateUtc)
{
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusDateUtcID, statusDateUtc);
}
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusWebPageUrlID,
FormatStatusWebPageUrl(screenName1, twitterStatus)
);
AppendLatitudeAndLongitudeGraphMLAttributeValues(
graphMLXmlDocument, edgeXmlNode, twitterStatus.Latitude,
twitterStatus.Longitude);
// Precede the ID with a single quote to force Excel to treat the
// ID as text. Otherwise, it formats the ID, which is a large
// number, in scientific notation.
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
NodeXLGraphMLUtil.ImportedIDID, "'" + twitterStatus.ID);
AppendInReplyToStatusIDGraphMLAttributeValue(graphMLXmlDocument,
edgeXmlNode, twitterStatus.InReplyToStatusID);
}
AppendRepliesToAndMentionsEdgeXmlNodes
(
GraphMLXmlDocument graphMLXmlDocument,
TwitterStatusTextParser twitterStatusTextParser,
HashSet<String> uniqueScreenNames,
Boolean includeRepliesToEdges,
Boolean includeMentionsEdges,
Boolean includeNonRepliesToNonMentionsEdges,
String screenName,
TwitterStatus twitterStatus,
Boolean includeStatus
)
{
Debug.Assert(graphMLXmlDocument != null);
Debug.Assert(twitterStatusTextParser != null);
Debug.Assert(uniqueScreenNames != null);
Debug.Assert( !String.IsNullOrEmpty(screenName) );
Debug.Assert(twitterStatus != null);
String statusText = twitterStatus.Text;
Boolean isReplyTo = false;
Boolean isMentions = false;
Debug.Assert( !String.IsNullOrEmpty(statusText) );
String repliedToScreenName;
String [] uniqueMentionedScreenNames;
twitterStatusTextParser.GetScreenNames(statusText,
out repliedToScreenName, out uniqueMentionedScreenNames);
if (repliedToScreenName != null)
{
if (
repliedToScreenName != screenName
&&
uniqueScreenNames.Contains(repliedToScreenName)
)
{
isReplyTo = true;
if (includeRepliesToEdges)
{
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, repliedToScreenName,
RepliesToRelationship, twitterStatus, includeStatus);
}
}
}
foreach (String mentionedScreenName in uniqueMentionedScreenNames)
{
if (
mentionedScreenName != screenName
&&
uniqueScreenNames.Contains(mentionedScreenName)
)
{
isMentions = true;
if (includeMentionsEdges)
{
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, mentionedScreenName,
MentionsRelationship, twitterStatus, includeStatus);
}
}
}
if (includeNonRepliesToNonMentionsEdges && !isReplyTo && !isMentions)
{
// Append a self-loop edge to represent the tweet.
AppendRepliesToAndMentionsEdgeXmlNode(
graphMLXmlDocument, screenName, screenName,
NonRepliesToNonMentionsRelationship, twitterStatus,
includeStatus);
}
}
FormatStatusWebPageUrl
(
String screenName,
TwitterStatus twitterStatus
)
{
Debug.Assert( !String.IsNullOrEmpty(screenName) );
Debug.Assert(twitterStatus != null);
return ( String.Format(
TwitterApiUrls.StatusWebPageUrlPattern
,
screenName,
twitterStatus.ID
) );
}
AppendRepliesToAndMentionsEdgeXmlNode
(
GraphMLXmlDocument graphMLXmlDocument,
String screenName1,
String screenName2,
String relationship,
TwitterStatus twitterStatus,
Boolean includeStatus
)
{
Debug.Assert(graphMLXmlDocument != null);
Debug.Assert( !String.IsNullOrEmpty(screenName1) );
Debug.Assert( !String.IsNullOrEmpty(screenName2) );
Debug.Assert( !String.IsNullOrEmpty(relationship) );
Debug.Assert(twitterStatus != null);
XmlNode edgeXmlNode = NodeXLGraphMLUtil.AppendEdgeXmlNode(
graphMLXmlDocument, screenName1, screenName2, relationship);
String statusDateUtc = twitterStatus.ParsedDateUtc;
Boolean hasStatusDateUtc = !String.IsNullOrEmpty(statusDateUtc);
if (hasStatusDateUtc)
{
// The status's date is the relationship date.
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeRelationshipDateUtcID, statusDateUtc);
}
if (includeStatus)
{
String statusText = twitterStatus.Text;
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusID, statusText);
String urls = twitterStatus.Urls;
if ( !String.IsNullOrEmpty(urls) )
{
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusUrlsID, urls);
graphMLXmlDocument.AppendGraphMLAttributeValue( edgeXmlNode,
EdgeStatusDomainsID, UrlsToDomains(urls) );
}
if ( !String.IsNullOrEmpty(twitterStatus.Hashtags) )
{
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusHashtagsID, twitterStatus.Hashtags);
}
if (hasStatusDateUtc)
{
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusDateUtcID, statusDateUtc);
}
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
EdgeStatusWebPageUrlID,
FormatStatusWebPageUrl(screenName1, twitterStatus)
);
AppendLatitudeAndLongitudeGraphMLAttributeValues(
graphMLXmlDocument, edgeXmlNode, twitterStatus.Latitude,
twitterStatus.Longitude);
// Precede the ID with a single quote to force Excel to treat the
// ID as text. Otherwise, it formats the ID, which is a large
// number, in scientific notation.
graphMLXmlDocument.AppendGraphMLAttributeValue(edgeXmlNode,
NodeXLGraphMLUtil.ImportedIDID, "'" + twitterStatus.ID);
AppendInReplyToStatusIDGraphMLAttributeValue(graphMLXmlDocument,
edgeXmlNode, twitterStatus.InReplyToStatusID);
}
}
