#include "webserver.h"
#include "dav.h"
+CtxType CTX_BLOGPOST = CTX_NONE;
typedef struct __BLOG {
- HashList *BLOG;
+ HashList *BLOGPOSTS;
long p;
int gotonext;
+ long firstp;
+ long maxp;
StrBuf *Charset;
StrBuf *Buf;
+ const StrBuf *FilterTag;
} BLOG;
+/*
+ * Array type for a blog post. The first message is the post; the rest are comments
+ */
+typedef struct _blogpost {
+ int top_level_id;
+ long *msgs; /* Array of msgnums for messages we are displaying */
+ int num_msgs; /* Number of msgnums stored in 'msgs' */
+ int alloc_msgs; /* Currently allocated size of array */
+ int unread_oments;
+}blogpost;
+
+
+/*
+ * XML sitemap generator -- go through the message list for a Blog room
+ */
+void sitemap_do_blog(void) {
+ wcsession *WCC = WC;
+ blogpost oneBP;
+ int num_msgs = 0;
+ int i;
+ SharedMessageStatus Stat;
+ message_summary *Msg = NULL;
+ StrBuf *Buf = NewStrBuf();
+ StrBuf *FoundCharset = NewStrBuf();
+ WCTemplputParams SubTP;
+
+ memset(&Stat, 0, sizeof Stat);
+ memset(&oneBP, 0, sizeof(blogpost));
+ memset(&SubTP, 0, sizeof(WCTemplputParams));
+ StackContext(NULL, &SubTP, &oneBP, CTX_BLOGPOST, 0, NULL);
+
+ Stat.maxload = INT_MAX;
+ Stat.lowest_found = (-1);
+ Stat.highest_found = (-1);
+ num_msgs = load_msg_ptrs("MSGS ALL", NULL, NULL, &Stat, NULL, NULL, NULL, NULL, 0);
+ if (num_msgs < 1) return;
+
+ for (i=0; i<num_msgs; ++i) {
+ Msg = GetMessagePtrAt(i, WCC->summ);
+ if (Msg != NULL) {
+ ReadOneMessageSummary(Msg, FoundCharset, Buf);
+ /* Show only top level posts, not comments */
+ if ((Msg->reply_inreplyto_hash != 0) && (Msg->reply_references_hash == 0)) {
+ oneBP.top_level_id = Msg->reply_inreplyto_hash;
+ DoTemplate(HKEY("view_blog_sitemap"), WCC->WBuf, &SubTP);
+ }
+ }
+ }
+ UnStackContext(&SubTP);
+ FreeStrBuf(&Buf);
+ FreeStrBuf(&FoundCharset);
+}
+
+
/*
* Generate a permalink for a post
* (Call with NULL arguments to make this function wcprintf() the permalink
* instead of writing it to the template)
*/
-void tmplput_blog_permalink(StrBuf *Target, WCTemplputParams *TP) {
- StrBuf *buf = NewStrBufPlain(HKEY("/readfwd?go="));
- StrBufUrlescAppend(buf, WC->CurRoom.name, 0);
- StrBufAppendPrintf(buf, "?p=%d", WC->bptlid);
- StrBufAppendTemplate(Target, TP, buf, 0);
- FreeStrBuf(&buf);
+void tmplput_blog_toplevel_id(StrBuf *Target, WCTemplputParams *TP) {
+ blogpost *bp = (blogpost*) CTX(CTX_BLOGPOST);
+ char buf[SIZ];
+ snprintf(buf, SIZ, "%d", bp->top_level_id);
+ StrBufAppendTemplateStr(Target, TP, buf, 0);
+}
+
+void tmplput_blog_comment_count(StrBuf *Target, WCTemplputParams *TP) {
+ blogpost *bp = (blogpost*) CTX(CTX_BLOGPOST);
+ char buf[SIZ];
+ snprintf(buf, SIZ, "%d", bp->num_msgs -1);
+ StrBufAppendTemplateStr(Target, TP, buf, 0);
+}
+void tmplput_blog_comment_unread_count(StrBuf *Target, WCTemplputParams *TP) {
+ blogpost *bp = (blogpost*) CTX(CTX_BLOGPOST);
+ char buf[SIZ];
+ snprintf(buf, SIZ, "%d", bp->unread_oments);
+ StrBufAppendTemplateStr(Target, TP, buf, 0);
}
+
/*
* Render a single blog post and (optionally) its comments
*/
-void blogpost_render(struct blogpost *bp, int with_comments)
+void blogpost_render(blogpost *bp, int with_comments, WCTemplputParams *TP)
{
+ wcsession *WCC = WC;
+ WCTemplputParams SubTP;
const StrBuf *Mime;
int i;
- WC->bptlid = bp->top_level_id; /* This is used in templates; do not remove it */
+ memset(&SubTP, 0, sizeof(WCTemplputParams));
+ StackContext(TP, &SubTP, bp, CTX_BLOGPOST, 0, NULL);
/* Always show the top level post, unless we somehow ended up with an empty list */
if (bp->num_msgs > 0) {
- read_message(WC->WBuf, HKEY("view_blog_post"), bp->msgs[0], NULL, &Mime);
+ read_message(WC->WBuf, HKEY("view_blog_post"), bp->msgs[0], NULL, &Mime, TP);
}
if (with_comments) {
/* Show any existing comments, then offer the comment box */
- wc_printf("<a class=\"blog_show_comments_link\" name=\"comments\"></a>\n");
- wc_printf(_("%d comments"), bp->num_msgs - 1);
- wc_printf(" | <a class=\"blog_permalink_link\" href=\"");
- tmplput_blog_permalink(NULL, NULL);
- wc_printf("\">%s</a>", _("permalink"));
- wc_printf("</div>\n");
+ DoTemplate(HKEY("view_blog_show_commentlink"), WCC->WBuf, &SubTP);
+
for (i=1; i<bp->num_msgs; ++i) {
- read_message(WC->WBuf, HKEY("view_blog_comment"), bp->msgs[i], NULL, &Mime);
+ read_message(WC->WBuf, HKEY("view_blog_comment"), bp->msgs[i], NULL, &Mime, &SubTP);
}
- do_template("view_blog_comment_box");
+ DoTemplate(HKEY("view_blog_comment_box"), WCC->WBuf, &SubTP);
}
else {
/* Show only the number of comments */
- wc_printf("<a class=\"blog_show_comments_link\" href=\"readfwd?p=%d?go=", bp->top_level_id);
- urlescputs(ChrPtr(WC->CurRoom.name));
- wc_printf("#comments\">");
- wc_printf(_("%d comments"), bp->num_msgs - 1);
- wc_printf(" %d %s", bp->unread_oments, _("new"));
- wc_printf("</a> | <a class=\"blog_permalink_link\" href=\"");
- tmplput_blog_permalink(NULL, NULL);
- wc_printf("\">%s</a>", _("permalink"));
- wc_printf("<hr>\n</div>\n");
+ DoTemplate(HKEY("view_blog_show_no_comments"), WCC->WBuf, &SubTP);
}
+ UnStackContext(&SubTP);
}
/*
- * Destructor for "struct blogpost"
+ * Destructor for "blogpost"
*/
-void blogpost_destroy(struct blogpost *bp) {
+void blogpost_destroy(blogpost *bp) {
if (bp->alloc_msgs > 0) {
free(bp->msgs);
}
* Entry point for message read operations.
*/
int blogview_GetParamsGetServerCall(SharedMessageStatus *Stat,
- void **ViewSpecific,
- long oper,
- char *cmd,
+ void **ViewSpecific,
+ long oper,
+ char *cmd,
long len,
char *filter,
long flen)
{
BLOG *BL = (BLOG*) malloc(sizeof(BLOG));
- BL->BLOG = NewHash(1, lFlathash);
+ BL->BLOGPOSTS = NewHash(1, lFlathash);
/* are we looking for a specific post? */
BL->p = lbstr("p");
BL->gotonext = havebstr("gotonext");
BL->Charset = NewStrBuf();
BL->Buf = NewStrBuf();
+ BL->FilterTag = sbstr("FilterTag");
+ BL->firstp = lbstr("firstp"); /* start reading at... */
+ BL->maxp = lbstr("maxp"); /* max posts to show... */
+ if (BL->maxp < 1) BL->maxp = 5; /* default; move somewhere else? */
+ putlbstr("maxp", BL->maxp);
*ViewSpecific = BL;
Stat->startmsg = (-1); /* not used here */
if (Stat->maxmsgs == 0) Stat->maxmsgs = DEFAULT_MAXMSGS;
/* perform a "read all" call to fetch the message list -- we'll cut it down later */
- rlid[2].cmd(cmd, len);
+ snprintf(cmd, len, "MSGS ALL||2|8\n");
+
if (BL->gotonext)
Stat->load_seen = 1;
return 200;
}
-/*
- * This function is called for every message in the list.
- */
-int blogview_LoadMsgFromServer(SharedMessageStatus *Stat,
- void **ViewSpecific,
- message_summary* Msg,
- int is_new,
- int i)
+int blogview_IdentifyBlogposts (StrBuf *Line,
+ const char **pos,
+ message_summary *Msg,
+ StrBuf *ConversionBuffer,
+ void **ViewSpecific)
{
BLOG *BL = (BLOG*) *ViewSpecific;
- struct blogpost *bp = NULL;
-
- ReadOneMessageSummary(Msg, BL->Charset, BL->Buf);
+ blogpost *bp = NULL;
/* Stop processing if the viewer is only interested in a single post and
* that message ID is neither the id nor the refs.
if ((BL->p != 0) &&
(BL->p != Msg->reply_inreplyto_hash) &&
(BL->p != Msg->reply_references_hash)) {
- return 200;
+ return 0;
}
+ if ((Msg->reply_references_hash == 0) &&
+ (BL->FilterTag != NULL) &&
+ (strstr(ChrPtr(Msg->EnvTo) , ChrPtr(BL->FilterTag)) == NULL)) {
+ /* filtering for tags, blogpost doesn't fit. */
+ return 0;
+ }
+
/*
- * Add our little bundle of blogworthy wonderfulness to the hash table
+ * build up a hashtable of the blogposts.
*/
if (Msg->reply_references_hash == 0) {
- bp = malloc(sizeof(struct blogpost));
- if (!bp) return(200);
- memset(bp, 0, sizeof (struct blogpost));
+ bp = malloc(sizeof(blogpost));
+
+ if (bp == NULL) return 0;
+
+ memset(bp, 0, sizeof (blogpost));
+
bp->top_level_id = Msg->reply_inreplyto_hash;
- Put(BL->BLOG,
- (const char *)&Msg->reply_inreplyto_hash,
- sizeof(Msg->reply_inreplyto_hash),
+ bp->alloc_msgs = 1000;
+ bp->msgs = malloc(bp->alloc_msgs * sizeof(long));
+ memset(bp->msgs, 0, (bp->alloc_msgs * sizeof(long)) );
+
+ /* the first one is the blogpost itself, all subequent are comments. */
+ bp->msgs[0] = Msg->msgnum;
+ bp->num_msgs = 1;
+
+ Put(BL->BLOGPOSTS,
+ LKEY(Msg->reply_inreplyto_hash),
bp,
(DeleteHashDataFunc)blogpost_destroy);
}
- else {
- GetHash(BL->BLOG,
- (const char *)&Msg->reply_references_hash,
- sizeof(Msg->reply_references_hash),
- (void *)&bp);
- }
-
/*
- * Now we have a 'struct blogpost' to which we can add a message. It's either the
- * blog post itself or a comment attached to it; either way, the code is the same from
- * this point onward.
+ * Comments will be handled on the next iteration.
*/
- if (bp != NULL) {
- if (bp->alloc_msgs == 0) {
- bp->alloc_msgs = 1000;
- bp->msgs = malloc(bp->alloc_msgs * sizeof(long));
- memset(bp->msgs, 0, (bp->alloc_msgs * sizeof(long)) );
- }
- if (bp->num_msgs >= bp->alloc_msgs) {
- bp->alloc_msgs *= 2;
- bp->msgs = realloc(bp->msgs, (bp->alloc_msgs * sizeof(long)));
- memset(&bp->msgs[bp->num_msgs], 0,
- ((bp->alloc_msgs - bp->num_msgs) * sizeof(long)) );
+
+ return 1;
+}
+
+
+/*
+ * This function is called for every message in the list.
+ */
+int blogview_LoadMsgFromServer(SharedMessageStatus *Stat,
+ void **ViewSpecific,
+ message_summary* Msg,
+ int is_new,
+ int i)
+{
+ blogpost *bp = NULL;
+ BLOG *BL = (BLOG*) *ViewSpecific;
+
+ if (Msg->reply_references_hash != 0) {
+ /*
+ * this is a comment. try to assign it to a blogpost.
+ */
+ GetHash(BL->BLOGPOSTS,
+ LKEY(Msg->reply_references_hash),
+ (void *)&bp);
+
+ /*
+ * Now we have a 'blogpost' to which we can add the comment. It's either the
+ * blog post itself or a comment attached to it; either way, the code is the same from
+ * this point onward.
+ */
+ if (bp != NULL) {
+ if (bp->num_msgs >= bp->alloc_msgs) {
+ bp->alloc_msgs *= 2;
+ bp->msgs = realloc(bp->msgs, (bp->alloc_msgs * sizeof(long)));
+ memset(&bp->msgs[bp->num_msgs], 0,
+ ((bp->alloc_msgs - bp->num_msgs) * sizeof(long)) );
+ }
+ bp->msgs[bp->num_msgs++] = Msg->msgnum;
+ if ((Msg->Flags & MSGFLAG_READ) != 0) {
+ bp->unread_oments++;
+ }
}
- bp->msgs[bp->num_msgs++] = Msg->msgnum;
- if ((Msg->Flags & MSGFLAG_READ) != 0) {
- bp->unread_oments++;
+ else {
+ /*
+ * Ok, this comment probably belongs to one of the blogposts
+ * we ruled out by filters. don't load it.
+ */
+ return 200;
}
}
- else {
- syslog(LOG_DEBUG, "** comment %ld is unparented", Msg->msgnum);
- }
-
return 200;
}
* With big thanks to whoever wrote http://www.c.happycodings.com/Sorting_Searching/code14.html
*/
static int blogview_sortfunc(const void *a, const void *b) {
- struct blogpost * const *one = a;
- struct blogpost * const *two = b;
+ blogpost const *one = GetSearchPayload(a);
+ blogpost const *two = GetSearchPayload(b);
- if ( (*one)->msgs[0] > (*two)->msgs[0] ) return(-1);
- if ( (*one)->msgs[0] < (*two)->msgs[0] ) return(+1);
+ if ( one->msgs[0] > two->msgs[0] ) return(-1);
+ if ( one->msgs[0] < two->msgs[0] ) return(+1);
return(0);
}
*/
int blogview_render(SharedMessageStatus *Stat, void **ViewSpecific, long oper)
{
+ wcsession *WCC = WC;
BLOG *BL = (BLOG*) *ViewSpecific;
HashPos *it;
const char *Key;
+ blogpost *thisBlogpost;
void *Data;
long len;
- int i;
- struct blogpost **blogposts = NULL;
int num_blogposts = 0;
- int num_blogposts_alloc = 0;
int with_comments = 0;
- int firstp = 0;
- int maxp = 0;
+ WCTemplputParams SubTP;
+ WCTemplputParams StopSubTP;
+ blogpost oneBP;
+ long firstPOffset = 0;
+ int count = 0;
+ int totalCount = 0;
+ StrBuf *PrevNext = NULL;
+
+ num_blogposts = GetCount(BL->BLOGPOSTS);
+ if (num_blogposts == 0) {
+ /* Nothing to do... */
+ return 0;
+ }
+ memset(&SubTP, 0, sizeof(WCTemplputParams));
+ memset(&StopSubTP, 0, sizeof(WCTemplputParams));
+ memset(&oneBP, 0, sizeof(blogpost));
/* Comments are shown if we are only viewing a single blog post */
with_comments = (BL->p != 0);
- firstp = ibstr("firstp"); /* start reading at... */
- maxp = ibstr("maxp"); /* max posts to show... */
- if (maxp < 1) maxp = 5; /* default; move somewhere else? */
-
- it = GetNewHashPos(BL->BLOG, 0);
+ it = GetNewHashPos(BL->BLOGPOSTS, 0);
if ((BL->gotonext) && (BL->p == 0)) {
/* did we come here via gotonext? lets find out whether
* this blog has just one blogpost with new comments just display
* this one.
*/
- struct blogpost *unread_bp = NULL;
+ blogpost *unread_bp = NULL;
int unread_count = 0;
- while (GetNextHashPos(BL->BLOG, it, &len, &Key, &Data)) {
- struct blogpost *one_bp = (struct blogpost *) Data;
+ while (GetNextHashPos(BL->BLOGPOSTS, it, &len, &Key, &Data)) {
+ blogpost *one_bp = (blogpost *) Data;
if (one_bp->unread_oments > 0) {
unread_bp = one_bp;
unread_count++;
}
}
if (unread_count == 1) {
- blogpost_render(unread_bp, 1);
+ blogpost_render(unread_bp, 1, NULL);/// TODO other than null?
DeleteHashPos(&it);
return 0;
}
-
- RewindHashPos(BL->BLOG, it, 0);
}
- /* Iterate through the hash list and copy the data pointers into an array */
- while (GetNextHashPos(BL->BLOG, it, &len, &Key, &Data)) {
- if (num_blogposts >= num_blogposts_alloc) {
- if (num_blogposts_alloc == 0) {
- num_blogposts_alloc = 100;
- }
- else {
- num_blogposts_alloc *= 2;
- }
- blogposts = realloc(blogposts, (num_blogposts_alloc * sizeof (struct blogpost *)));
- }
- blogposts[num_blogposts++] = (struct blogpost *) Data;
- }
- DeleteHashPos(&it);
-
/* Now we have our array. It is ONLY an array of pointers. The objects to
* which they point are still owned by the hash list.
*/
- if (num_blogposts > 0) {
- int start_here = 0;
- /* Sort newest-to-oldest */
- qsort(blogposts, num_blogposts, sizeof(void *), blogview_sortfunc);
- /* allow the user to select a starting point in the list */
- for (i=0; i<num_blogposts; ++i) {
- if (blogposts[i]->top_level_id == firstp) {
- start_here = i;
+ /* get it into the right sort of order - blogposts may have been edited */
+ SortByPayload(BL->BLOGPOSTS, blogview_sortfunc);
+
+ /* Find the start post to display: */
+ if (BL->firstp != 0) {
+ /* Translate the firstpost id into an offset */
+ RewindHashPos(BL->BLOGPOSTS, it, 0);
+ while (GetNextHashPos(BL->BLOGPOSTS, it, &len, &Key, &Data)) {
+ thisBlogpost = (blogpost *) Data;
+ if (thisBlogpost->top_level_id == BL->firstp) {
+ firstPOffset = count;
+ break;
}
+ count ++;
}
+ }
- /* FIXME -- allow the user (or a default setting) to select a maximum number of posts to display */
-
- /* Now go through the list and render what we've got */
- for (i=start_here; i<num_blogposts; ++i) {
- if ((i > 0) && (i == start_here)) {
- int j = i - maxp;
- if (j < 0) j = 0;
- wc_printf("<div class=\"newer_blog_posts\"><a href=\"readfwd?go=");
- urlescputs(ChrPtr(WC->CurRoom.name));
- wc_printf("?firstp=%d?maxp=%d\">", blogposts[j]->top_level_id, maxp);
- wc_printf("%s →</a></div>\n", _("Newer posts"));
- }
- if (i < (start_here + maxp)) {
- blogpost_render(blogposts[i], with_comments);
- }
- else if (i == (start_here + maxp)) {
- wc_printf("<div class=\"older_blog_posts\"><a href=\"readfwd?go=");
- urlescputs(ChrPtr(WC->CurRoom.name));
- wc_printf("?firstp=%d?maxp=%d\">", blogposts[i]->top_level_id, maxp);
- wc_printf("← %s</a></div>\n", _("Older posts"));
+ if ((num_blogposts > BL->maxp) || (firstPOffset != 0)){
+ PrevNext = NewStrBuf();
+ if (firstPOffset > 0) {
+ const char *k;
+ long len;
+ long posPrev = 0;
+ /* we now need to go up to maxp items back */
+ if (firstPOffset > BL->maxp) {
+ posPrev = firstPOffset - BL->maxp;
}
+ GetHashAt(BL->BLOGPOSTS, posPrev, &len, &k, &Data);
+ thisBlogpost = (blogpost *) Data;
+ StackContext(NULL, &SubTP, thisBlogpost, CTX_BLOGPOST, 0, NULL);
+ DoTemplate(HKEY("view_blog_newer_posts"), PrevNext, &SubTP);
}
+ if (firstPOffset + BL->maxp <= num_blogposts) {
+ const char *k;
+ long len;
+ long posNext = firstPOffset + BL->maxp;
+ GetHashAt(BL->BLOGPOSTS, posNext, &len, &k, &Data);
+ thisBlogpost = (blogpost *) Data;
+ StackContext(NULL, &SubTP, thisBlogpost, CTX_BLOGPOST, 0, NULL);
+ DoTemplate(HKEY("view_blog_older_posts"), PrevNext, &SubTP);
+ }
+ }
- /* Done. We are only freeing the array of pointers; the data itself
- * will be freed along with the hash list.
- */
- free(blogposts);
+ StrBufAppendBuf(WCC->WBuf, PrevNext, 0);
+ count = totalCount = 0;
+ RewindHashPos(BL->BLOGPOSTS, it, 0);
+
+ /* FIXME -- allow the user (or a default setting) to select a maximum number of posts to display */
+ while (GetNextHashPos(BL->BLOGPOSTS, it, &len, &Key, &Data)) {
+ thisBlogpost = (blogpost *) Data;
+
+ /* allow the user to select a starting point in the list */
+ if (totalCount < firstPOffset) {
+ /* skip all till we found the first valid: */
+ totalCount ++;
+ continue;
+ }
+ if (count >= BL->maxp) {
+ /* enough is enough. */
+ break;
+ }
+ StackContext(NULL, &SubTP, thisBlogpost, CTX_BLOGPOST, 0, NULL);
+ blogpost_render(thisBlogpost, with_comments, &SubTP);
+ UnStackContext(&SubTP);
+ count ++;
+ totalCount ++;
}
+ StrBufAppendBuf(WCC->WBuf, PrevNext, 0);
+ FreeStrBuf(&PrevNext);
+ DeleteHashPos(&it);
return(0);
}
FreeStrBuf(&BL->Buf);
FreeStrBuf(&BL->Charset);
- DeleteHash(&BL->BLOG);
+ DeleteHash(&BL->BLOGPOSTS);
free(BL);
wDumpContent(1);
return 0;
InitModule_BLOGVIEWRENDERERS
(void)
{
+ const char* browseListFields[] = {
+ "msgn",
+ "nvto",
+ "wefw",
+ NULL
+ };
+ RegisterCTX(CTX_BLOGPOST);
+
RegisterReadLoopHandlerset(
VIEW_BLOG,
blogview_GetParamsGetServerCall,
NULL,
NULL,
- NULL,
+ blogview_IdentifyBlogposts,
blogview_LoadMsgFromServer,
blogview_render,
- blogview_Cleanup
+ blogview_Cleanup,
+ browseListFields
);
- RegisterNamespace("BLOG:PERMALINK", 0, 1, tmplput_blog_permalink, NULL, CTX_NONE);
+
+ RegisterNamespace("BLOG:TOPLEVEL:MSGID", 0, 0, tmplput_blog_toplevel_id, NULL, CTX_BLOGPOST);
+ RegisterNamespace("BLOG:COMMENTS:COUNT", 0, 0, tmplput_blog_comment_count, NULL, CTX_BLOGPOST);
+ RegisterNamespace("BLOG:COMMENTS:UNREAD:COUNT", 0, 0, tmplput_blog_comment_unread_count, NULL, CTX_BLOGPOST);
}