public static string[] DetermineFieldsToSend(Dictionary<string, string> tweetUpdate, SearchDefinition[] searchDefinitions)
{
List<string> fields = new List<string>();
foreach (SearchDefinition definition in searchDefinitions)
{
if (definition.ShouldIgnoreTweet(tweetUpdate))
{
continue;
}
if (definition.FieldsToSend != null)
{
AddFieldIfAbsent(definition.FieldsToSend.Split(','), fields);
}
else
{
// add all
AddFieldIfAbsent(tweetUpdate.Keys.ToArray<string>(), fields);
}
}
return fields.ToArray();
}
public void Only_count_field_should_be_present_if_all_but_one_SearchDefinition_ignore_tweet()
{
var text = "He's right > RT @leggetter No way!";
var ignoreDef = CreateSearchDefinition("/TEST", "leggetter", text, "Text", @"(\s|\W|^)RT(\s|\W|$)", false);
var countOnlyDef = new SearchDefinition();
countOnlyDef.FieldsToSend = "RetweetCount";
countOnlyDef.CountFields = new CountField[1];
countOnlyDef.CountFields[0] = new CountField();
countOnlyDef.CountFields[0].Match = new MatchExpression();
countOnlyDef.CountFields[0].Match.FieldToMatch = "Text";
countOnlyDef.CountFields[0].Match.Expression = @"(\s|\W|^)RT(\s|\W|$)";
var update = new Dictionary<string, string>();
update["Text"] = text;
update["RetweetCount"] = "1";
string[] fields = Publisher.DetermineFieldsToSend(update, new SearchDefinition[] { ignoreDef, countOnlyDef });
Assert.AreEqual(1, fields.Length);
Assert.AreEqual("RetweetCount", fields[0]);
}
public static string[] DetermineTopicFromTwitterMessage(IDictionary<string,string> tweetUpdate, IStatusMessage statusMessage, SearchDefinition[] searchDefinitions)
{
List<string> topics = new List<string>();
foreach (SearchDefinition definition in searchDefinitions)
{
if (definition.ShouldIgnoreTweet(tweetUpdate))
{
continue;
}
if (definition.IsTrackingFor(statusMessage) &&
topics.Contains(definition.PublishTo) == false)
{
topics.Add(definition.PublishTo);
}
if (definition.IsFollowingUser(statusMessage.User) &&
topics.Contains(definition.PublishTo) == false)
{
topics.Add(definition.PublishTo);
}
}
return topics.ToArray();
}
private void SendIntialCountFieldValues(SearchDefinition[] searchDefinitions)
{
foreach (SearchDefinition def in searchDefinitions)
{
if (def.CountFields != null)
{
Dictionary<string, string> tweetUpdate = new Dictionary<string, string>();
foreach (CountField field in def.CountFields)
{
_countFields[field.Name] = 0;
tweetUpdate[field.Name] = "0";
}
Publish(def.PublishTo, tweetUpdate);
}
}
}
private string BuildTwitterParams(SearchDefinition[] searchDefinitions)
{
List<string> tracks = new List<string>();
List<string> userIds = new List<string>();
// TODO: other types of search e.g. follow
foreach (SearchDefinition def in searchDefinitions)
{
if (def.Request == true)
{
if (string.IsNullOrEmpty(def.TrackFor) == false)
{
string[] configuredTracks = def.TrackFor.Split(',');
foreach (string track in configuredTracks)
{
if (tracks.Contains(track) == false)
{
tracks.Add(track);
}
}
}
if (string.IsNullOrEmpty(def.FollowUsersWithId) == false)
{
string[] configuredIds = def.FollowUsersWithId.Split(',');
foreach (string id in configuredIds)
{
if (configuredIds.Contains(id) == false)
{
userIds.Add(id);
}
}
userIds.AddRange(configuredIds);
}
}
}
string twitterParameters = String.Join(",", tracks.ToArray());
if(string.Empty != twitterParameters)
{
twitterParameters = "track=" + twitterParameters;
}
string userIdsToFollow = String.Join(",", userIds.ToArray());
if (string.Empty != userIdsToFollow)
{
if (twitterParameters != string.Empty)
{
twitterParameters += "&";
}
twitterParameters += "follow=" + userIdsToFollow;
}
return twitterParameters;
}
private void AddCountFieldsToUpdate(string[] topics, Dictionary<string, string> tweetUpdate, SearchDefinition[] searchDefinitions)
{
foreach (SearchDefinition def in searchDefinitions)
{
if (topics.Contains(def.PublishTo) && def.CountFields != null)
{
foreach (CountField field in def.CountFields)
{
if (FieldAlreadyAddedToUpdate(tweetUpdate, field.Name) == false)
{
long currentValue = (_countFields.ContainsKey(field.Name) == false ? 0 : _countFields[field.Name]);
if (field.MatchAll == true)
{
currentValue++;
tweetUpdate.Add(field.Name, currentValue.ToString());
}
else if (string.IsNullOrEmpty(field.Match.Expression) == false &&
string.IsNullOrEmpty(field.Match.FieldToMatch) == false &&
tweetUpdate.ContainsKey(field.Match.FieldToMatch) == true)
{
RegexOptions options = (field.Match.IgnoreCase?RegexOptions.IgnoreCase:RegexOptions.None);
Regex regex = new Regex(field.Match.Expression, options);
string fieldToMatch = tweetUpdate[field.Match.FieldToMatch];
if (regex.IsMatch(fieldToMatch) == true)
{
currentValue++;
tweetUpdate.Add(field.Name, currentValue.ToString());
}
}
_countFields[field.Name] = currentValue;
}
}
}
}
}
private SearchDefinition CreateSearchDefinition(string publishTo, string trackFor, string tweetMsg, string fieldToIgnore, string ignoreExpression, bool ignoreCase)
{
SearchDefinition def = new SearchDefinition();
def.PublishTo = publishTo;
def.TrackFor = trackFor;
if (string.IsNullOrEmpty(fieldToIgnore) == false)
{
def.Ignore = new MatchExpression[1];
def.Ignore[0] = new MatchExpression();
def.Ignore[0].FieldToMatch = fieldToIgnore;
def.Ignore[0].Expression = ignoreExpression;
def.Ignore[0].IgnoreCase = ignoreCase;
}
return def;
}