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Fixed and closed #493 : RSS Feed Plugin improved (added settings for entries number, open links in new window, max number of words).

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This commit is contained in:
Matteo Tomasini 2010-04-01 09:30:38 +00:00
parent c0c28cbcd0
commit 364b01585e
2 changed files with 89 additions and 23 deletions
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4
AssemblyVersion.cs
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@ -16,5 +16,5 @@ using System.Reflection;
//
// You can specify all the values or you can default the Revision and Build Numbers
// by using the '*' as shown below:
[assembly: AssemblyVersion("3.0.2.527")]
[assembly: AssemblyFileVersion("3.0.2.527")]
[assembly: AssemblyVersion("3.0.2.528")]
[assembly: AssemblyFileVersion("3.0.2.528")]

108
PluginPack/RssFeedDisplay.cs
View file

@ -18,9 +18,9 @@ namespace ScrewTurn.Wiki.Plugins.PluginPack {
private IHostV30 _host;
private string _config;
private bool _enableLogging = true;
private static readonly ComponentInformation Info = new ComponentInformation("RSS Feed Display Plugin", "Threeplicate Srl", "3.0.1.471", "http://www.screwturn.eu", "http://www.screwturn.eu/Version/PluginPack/RssFeedDisplay.txt");
private static readonly ComponentInformation Info = new ComponentInformation("RSS Feed Display Plugin", "Threeplicate Srl", "3.0.2.528", "http://www.screwturn.eu", "http://www.screwturn.eu/Version/PluginPack/RssFeedDisplay.txt");
private static readonly Regex RssRegex = new Regex(@"{(RSS|Twitter):(.+?)}",
private static readonly Regex RssRegex = new Regex(@"{(RSS|Twitter):(.+?)(\|(.+?))?}",
RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.CultureInvariant);
/// <summary>
@ -65,7 +65,6 @@ namespace ScrewTurn.Wiki.Plugins.PluginPack {
StringBuilder buffer = new StringBuilder(raw);
try {
KeyValuePair<int, Match> block = FindAndRemoveFirstOccurrence(buffer);
while(block.Key != -1) {
@ -79,33 +78,54 @@ namespace ScrewTurn.Wiki.Plugins.PluginPack {
if(result == null) {
bool isTwitter = block.Value.Groups[1].Value.ToLowerInvariant() == "twitter";
XmlDocument feedXml = GetXml(block.Value.Groups[2].Value);
XmlNode node = feedXml.DocumentElement;
XmlNode itemTitle = node.SelectNodes("/rss/channel/item/title")[0];
XmlNode itemLink = node.SelectNodes("/rss/channel/item/link")[0];
XmlNode itemContent = node.SelectNodes("/rss/channel/item/description")[0];
string itemContentStr = StripHtml(itemContent.InnerText);
itemContentStr = (itemContentStr.Length > 350 && itemContentStr.Substring(347, 5) != "[...]") ? itemContentStr.Substring(0, itemContentStr.IndexOf(" ", 345) + 1) + " [...]" : itemContentStr;
if(itemContentStr.Length <= 1) itemContentStr = StripHtml(itemContent.InnerText);
int entries = 1;
bool newWindow = true;
int words = 350;
if(block.Value.Groups.Count > 3) {
analizeSettings(block.Value.Groups[4].Value, out entries, out newWindow, out words);
}
if(isTwitter) {
string tweet = itemTitle.InnerText;
tweet = tweet.Substring(tweet.IndexOf(":") + 2);
result = @"<div class=""twitterfeed"">
<span class=""tweet"">
<a href=""" + itemLink.InnerText + @""" title=""Go to this Tweet"">" + tweet + @"</a>
</span>
</div>";
result = @"<div class=""twitterfeed"">";
}
else {
result = @"<div class=""rssfeed"">
result = @"<div class=""rssfeed"">";
}
XmlDocument feedXml = GetXml(block.Value.Groups[2].Value);
XmlNode node = feedXml.DocumentElement;
for(int i = 0; i < entries; i++) {
XmlNode itemTitle = node.SelectNodes("/rss/channel/item/title")[i];
if(itemTitle != null) {
XmlNode itemLink = node.SelectNodes("/rss/channel/item/link")[i];
XmlNode itemContent = node.SelectNodes("/rss/channel/item/description")[i];
string itemContentStr = StripHtml(itemContent.InnerText);
itemContentStr = (itemContentStr.Length > words && itemContentStr.Substring(words - 3, 5) != "[...]") ? itemContentStr.Substring(0, itemContentStr.IndexOf(" ", words - 5) + 1) + " [...]" : itemContentStr;
if(itemContentStr.Length <= 1) itemContentStr = StripHtml(itemContent.InnerText);
if(isTwitter) {
string tweet = itemTitle.InnerText;
tweet = tweet.Substring(tweet.IndexOf(":") + 2);
result += @"<div class=""tweet"">
<a href=""" + itemLink.InnerText + @""" title=""Go to this Tweet""";
if(newWindow) result += @" target=""_blank""";
result += @">" + tweet + @"</a>
</div>";
}
else {
result += @"<div class=""rssentry"">
<span class=""rsstitle"">
<a href=""" + itemLink.InnerText + @""" title=""" + itemTitle.InnerText + @""">" + itemTitle.InnerText + @"</a>
<a href=""" + itemLink.InnerText + @""" title=""" + itemTitle.InnerText + @"""";
if(newWindow) result += @" target=""_blank""";
result += @">" + itemTitle.InnerText + @"</a>
</span>
<br />
<span class=""rsscontent"">" + itemContentStr + @"</span>
</div>";
</div>";
}
}
}
result += @"</div>";
if(System.Web.HttpContext.Current != null) {
System.Web.HttpContext.Current.Cache.Add(blockHash, result, null, DateTime.Now.AddMinutes(60),
@ -124,6 +144,52 @@ namespace ScrewTurn.Wiki.Plugins.PluginPack {
return buffer.ToString();
}
private void analizeSettings(string settingString, out int entries, out bool newWindow, out int words) {
entries = 1;
newWindow = true;
words = 350;
String[] settings = settingString.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries);
foreach(string set in settings) {
string key = set.Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries)[0].Trim().ToLowerInvariant();
string value = set.Split(new char[] { '=' }, StringSplitOptions.RemoveEmptyEntries)[1].Trim().ToLowerInvariant();
if(key == "entries") {
try {
entries = Int32.Parse(value);
}
catch(ArgumentNullException) {
throw new ArgumentNullException("entries setting could not be null.");
//LogWarning("entries setting could not be null.");
}
catch(FormatException) {
throw new FormatException("entries setting is not a valid integer.");
}
}
else if(key == "newwindow") {
if(value == "true" || value == "1" || value == "yes") {
newWindow = true;
}
else if(value == "false" || value == "0" || value == "no") {
newWindow = false;
}
else {
throw new FormatException("newWindow setting is not a valid value. Use: true/false or 1/0 or yes/no.");
}
}
else if(key == "words") {
try {
words = Int32.Parse(value);
}
catch(ArgumentNullException) {
throw new ArgumentNullException("words setting could not be null.");
}
catch(FormatException) {
throw new FormatException("words setting is not a valid integer.");
}
}
}
}
/// <summary>
/// Produces an API call, then returns the results as an Xml Document
/// </summary>