I2P_Developers/i2p.android.base
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2005-12-03 jrandom

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* Added support for a 'most recent posts' view that CofE requested, which
      includes the ability to filter by age (e.g. posts by your favorite
      authors in the last 5 days).
This commit is contained in:
jrandom
2005-12-03 19:03:44 +00:00
committed by zzz
parent 1c6c397913
commit 35b75a7300
6 changed files with 105 additions and 9 deletions
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9
apps/syndie/java/src/net/i2p/syndie/data/ArchiveIndex.java
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@ -281,6 +281,9 @@ public class ArchiveIndex {
*
*/
public void selectMatchesOrderByEntryId(List out, Hash blog, String tag) {
selectMatchesOrderByEntryId(out, blog, tag, 0);
}
public void selectMatchesOrderByEntryId(List out, Hash blog, String tag, long lowestEntryId) {
TreeMap ordered = new TreeMap();
for (int i = 0; i < _blogs.size(); i++) {
BlogSummary summary = (BlogSummary)_blogs.get(i);
@ -288,7 +291,7 @@ public class ArchiveIndex {
if (!blog.equals(summary.blog))
continue;
}
if (tag != null) {
if ( (tag != null) && (tag.trim().length() > 0) ) {
if (!tag.equals(summary.tag)) {
if (_log.shouldLog(Log.DEBUG))
_log.debug("Tag [" + summary.tag + "] does not match the requested [" + tag + "] in " + summary.blog.toBase64());
@ -312,6 +315,8 @@ public class ArchiveIndex {
for (int j = 0; j < summary.entries.size(); j++) {
EntrySummary entry = (EntrySummary)summary.entries.get(j);
if (entry.entry.getEntryId() < lowestEntryId)
continue;
String k = (Long.MAX_VALUE-entry.entry.getEntryId()) + "-" + entry.entry.getKeyHash().toBase64();
ordered.put(k, entry.entry);
//System.err.println("Including match: " + k);
@ -319,6 +324,8 @@ public class ArchiveIndex {
}
for (Iterator iter = ordered.values().iterator(); iter.hasNext(); ) {
BlogURI entry = (BlogURI)iter.next();
if (entry.getEntryId() < lowestEntryId)
continue;
if (!out.contains(entry))
out.add(entry);
}

18
apps/syndie/java/src/net/i2p/syndie/data/BlogURI.java
View File

@ -10,6 +10,8 @@ public class BlogURI {
private Hash _blogHash;
private long _entryId;
public static final Comparator COMPARATOR = new NewestFirstComparator();
public BlogURI() {
this(null, -1);
}
@ -95,4 +97,20 @@ public class BlogURI {
if (!u.toString().equals(uri))
System.err.println("Not a match: [" + uri + "] != [" + u.toString() + "]");
}
/**
* Order the BlogURIs by entryId, with the highest entryId first
*/
private static class NewestFirstComparator implements Comparator {
public int compare(Object lhs, Object rhs) {
BlogURI l = (BlogURI)lhs;
BlogURI r = (BlogURI)rhs;
if (l.getEntryId() > r.getEntryId())
return -1;
else if (l.getEntryId() < r.getEntryId())
return 1;
else // same date, compare by blog hash (aka randomly)
return DataHelper.compareTo(l.getKeyHash().getData(), r.getKeyHash().getData());
}
}
}

16
apps/syndie/java/src/net/i2p/syndie/sml/ThreadedHTMLRenderer.java
View File

@ -40,6 +40,8 @@ public class ThreadedHTMLRenderer extends HTMLRenderer {
public static final String PARAM_OFFSET = "offset";
public static final String PARAM_TAGS = "tags";
public static final String PARAM_AUTHOR = "author";
/** search back through the blog for entries this many days */
public static final String PARAM_DAYS_BACK = "daysBack";
// parameters for editing one's profile
public static final String PARAM_PROFILE_NAME = "profileName";
public static final String PARAM_PROFILE_DESC = "profileDesc";
@ -446,8 +448,12 @@ public class ThreadedHTMLRenderer extends HTMLRenderer {
String inReplyTo = (String)_headers.get(HEADER_IN_REPLY_TO);
if ( (inReplyTo != null) && (inReplyTo.trim().length() > 0) ) {
BlogURI replyURI = new BlogURI(inReplyTo);
if (replyURI.getEntryId() > 0)
_postBodyBuffer.append(" <a ").append(getClass("summDetailParent")).append(" href=\"").append(getPageURL(replyURI.getKeyHash(), null, replyURI.getEntryId(), 0, 0, true, true)).append("\">(view parent)</a><br />\n");
if (replyURI.getEntryId() > 0) {
_postBodyBuffer.append(" <a ").append(getClass("summDetailParent"));
_postBodyBuffer.append(" href=\"");
_postBodyBuffer.append(getPageURL(replyURI.getKeyHash(), null, replyURI.getEntryId(), 0, 0, true, true));
_postBodyBuffer.append("\">(view parent)</a><br />\n");
}
}
_postBodyBuffer.append(" </td>\n");
@ -487,14 +493,18 @@ public class ThreadedHTMLRenderer extends HTMLRenderer {
public String getPageURL(Hash blog, String tag, long entryId, String group, int numPerPage, int pageNum, boolean expandEntries, boolean showImages) {
StringBuffer buf = new StringBuffer(128);
buf.append(_baseURI).append('?');
String entry = null;
if ( (blog != null) && (entryId > 0) ) {
buf.append(PARAM_VIEW_POST).append('=').append(Base64.encode(blog.getData())).append('/').append(entryId).append('&');
entry = blog.toBase64() + '/' + entryId;
buf.append(PARAM_VIEW_THREAD).append('=').append(entry).append('&');
buf.append(PARAM_VISIBLE).append('=').append(Base64.encode(blog.getData())).append('/').append(entryId).append('&');
} else if (blog != null) {
buf.append(PARAM_AUTHOR).append('=').append(blog.toBase64()).append('&');
}
if (tag != null)
buf.append(PARAM_TAGS).append('=').append(sanitizeTagParam(tag)).append('&');
if ( (blog != null) && (entryId > 0) )
buf.append("#blog://").append(entry);
return buf.toString();
}
}

21
apps/syndie/java/src/net/i2p/syndie/web/BaseServlet.java
View File

@ -77,6 +77,8 @@ public abstract class BaseServlet extends HttpServlet {
req.setCharacterEncoding("UTF-8");
resp.setCharacterEncoding("UTF-8");
resp.setContentType("text/html;charset=UTF-8");
resp.setHeader("cache-control", "no-cache");
resp.setHeader("pragma", "no-cache");
User user = (User)req.getSession().getAttribute("user");
String login = req.getParameter("login");
@ -490,6 +492,8 @@ public abstract class BaseServlet extends HttpServlet {
protected void renderBegin(User user, HttpServletRequest req, PrintWriter out, ThreadIndex index) throws IOException {
out.write("<html>\n<head><title>" + getTitle() + "</title>\n");
out.write("<meta http-equiv=\"cache-control\" content=\"no-cache\" />");
out.write("<meta http-equiv=\"pragma\" content=\"no-cache\" />");
out.write("<style>");
out.write(STYLE_HTML);
Reader css = null;
@ -553,10 +557,11 @@ public abstract class BaseServlet extends HttpServlet {
SKIP_TAGS.add("filter");
// post and visible are skipped since we aren't good at filtering by tag when the offset will
// skip around randomly. at least, not yet.
SKIP_TAGS.add("visible");
SKIP_TAGS.add(ThreadedHTMLRenderer.PARAM_VISIBLE);
//SKIP_TAGS.add("post");
//SKIP_TAGS.add("thread");
SKIP_TAGS.add("offset"); // if we are adjusting the filter, ignore the previous offset
SKIP_TAGS.add(ThreadedHTMLRenderer.PARAM_OFFSET); // if we are adjusting the filter, ignore the previous offset
SKIP_TAGS.add(ThreadedHTMLRenderer.PARAM_DAYS_BACK);
SKIP_TAGS.add("addLocation");
SKIP_TAGS.add("addGroup");
SKIP_TAGS.add("login");
@ -597,6 +602,12 @@ public abstract class BaseServlet extends HttpServlet {
PetNameDB db = user.getPetNameDB();
TreeSet names = new TreeSet(db.getNames());
out.write("<option value=\"\">Any authors</option>\n");
if (user.getAuthenticated()) {
if ("favorites".equals(author))
out.write("<option selected=\"true\" value=\"favorites\">All recent posts by favorite authors</option>\n");
else
out.write("<option value=\"favorites\">All recent posts by favorite authors</option>\n");
}
if (user.getBlog() != null) {
if ( (author != null) && (author.equals(user.getBlog().toBase64())) )
out.write("<option value=\"" + user.getBlog().toBase64() + "\" selected=\"true\">Threads you posted in</option>\n");
@ -619,6 +630,12 @@ public abstract class BaseServlet extends HttpServlet {
out.write("Tags: <input type=\"text\" name=\"" + ThreadedHTMLRenderer.PARAM_TAGS + "\" size=\"10\" value=\"" + tags
+ "\" title=\"Threads are filtered to include only ones with posts containing these tags\" />\n");
String days = req.getParameter(ThreadedHTMLRenderer.PARAM_DAYS_BACK);
if (days == null)
days = "";
out.write("Age: <input type=\"text\" name=\"" + ThreadedHTMLRenderer.PARAM_DAYS_BACK + "\" size=\"2\" value=\"" + days
+ "\" title=\"Posts are filtered to include only ones which were made within this many days ago\" /> days\n");
out.write("<input type=\"submit\" name=\"action\" value=\"Go\" />\n");
out.write("</td><td class=\"controlBarRight\" width=\"1%\">");

43
apps/syndie/java/src/net/i2p/syndie/web/ViewThreadedServlet.java
View File

@ -21,7 +21,7 @@ import net.i2p.syndie.sml.*;
public class ViewThreadedServlet extends BaseServlet {
protected void renderServletDetails(User user, HttpServletRequest req, PrintWriter out, ThreadIndex index,
int threadOffset, BlogURI visibleEntry, Archive archive) throws IOException {
List posts = getPosts(archive, req, index);
List posts = getPosts(user, archive, req, index);
renderBody(user, req, out, index, archive, posts);
renderThreadNav(user, req, out, threadOffset, index);
@ -46,8 +46,47 @@ public class ViewThreadedServlet extends BaseServlet {
}
}
private List getPosts(Archive archive, HttpServletRequest req, ThreadIndex index) {
private List getPosts(User user, Archive archive, HttpServletRequest req, ThreadIndex index) {
List rv = new ArrayList(1);
String author = req.getParameter(ThreadedHTMLRenderer.PARAM_AUTHOR);
String tags = req.getParameter(ThreadedHTMLRenderer.PARAM_TAGS);
if (author != null) {
long dayBegin = BlogManager.instance().getDayBegin();
String daysStr = req.getParameter(ThreadedHTMLRenderer.PARAM_DAYS_BACK);
int days = 1;
try {
if (daysStr != null)
days = Integer.parseInt(daysStr);
} catch (NumberFormatException nfe) {
days = 1;
}
dayBegin -= (days-1) * 24*60*60*1000;
ArchiveIndex aindex = archive.getIndex();
PetNameDB db = user.getPetNameDB();
if ("favorites".equals(author)) {
for (Iterator nameIter = db.getNames().iterator(); nameIter.hasNext(); ) {
PetName pn = db.getByName((String)nameIter.next());
if (pn.isMember(FilteredThreadIndex.GROUP_FAVORITE) && AddressesServlet.PROTO_BLOG.equals(pn.getProtocol()) ) {
Hash loc = new Hash();
byte key[] = Base64.decode(pn.getLocation());
if ( (key != null) && (key.length == Hash.HASH_LENGTH) ) {
loc.setData(key);
aindex.selectMatchesOrderByEntryId(rv, loc, tags, dayBegin);
}
}
}
Collections.sort(rv, BlogURI.COMPARATOR);
} else {
Hash loc = new Hash();
byte key[] = Base64.decode(author);
if ( (key != null) && (key.length == Hash.HASH_LENGTH) ) {
loc.setData(key);
aindex.selectMatchesOrderByEntryId(rv, loc, tags, dayBegin);
}
}
}
String post = req.getParameter(ThreadedHTMLRenderer.PARAM_VIEW_POST);
BlogURI uri = getAsBlogURI(post);
if ( (uri != null) && (uri.getEntryId() > 0) ) {

7
history.txt
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@ -1,4 +1,9 @@
$Id: history.txt,v 1.342 2005/12/03 00:41:25 jrandom Exp $
$Id: history.txt,v 1.343 2005/12/03 12:33:35 jrandom Exp $
2005-12-03 jrandom
* Added support for a 'most recent posts' view that CofE requested, which
includes the ability to filter by age (e.g. posts by your favorite
authors in the last 5 days).
2005-12-03 jrandom
* Adjusted Syndie to use the threaded view that cervantes suggested, which