#include "webserver.h"
#include "groupdav.h"
+
+/*
+ * Array type for a blog post. The first message is the post; the rest are comments
+ */
+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 */
+};
+
+
/*
- * Data which gets passed around between the various functions in this module
- *
+ * Destructor for 'struct blogpost' which does the rendering first.
+ * By rendering from here, we eliminate the need for a separate iterator, although
+ * we might run into trouble when we get around to displaying newest-to-oldest...
*/
+void blogpost_render_and_destroy(struct blogpost *bp) {
+ const StrBuf *Mime;
+ int p = 0;
+ int i;
+
+ p = atoi(BSTR("p")); /* are we looking for a specific post? */
+
+ if ( ((p == 0) || (p == bp->top_level_id)) && (bp->num_msgs > 0) ) {
+ /* Show the top level post */
+ read_message(WC->WBuf, HKEY("view_blog_post"), bp->msgs[0], NULL, &Mime);
+
+ if (p == 0) {
+ /* Show the number of comments */
+ wc_printf("<a href=\"readfwd?p=%d?gotofirst=", bp->top_level_id);
+ urlescputs(ChrPtr(WC->CurRoom.name));
+ wc_printf("#comments\">");
+ wc_printf(_("%d comments"), bp->num_msgs - 1);
+ wc_printf("</a>");
+ }
+ else if (bp->num_msgs < 2) {
+ wc_printf(_("%d comments"), 0);
+ }
+ else {
+ wc_printf("<a name=\"comments\"></a>\n");
+ wc_printf(_("%d comments"), bp->num_msgs - 1);
+ wc_printf("<br>\n");
+ for (i=1; i<bp->num_msgs; ++i) {
+ read_message(WC->WBuf, HKEY("view_blog_comment"), bp->msgs[i], NULL, &Mime);
+ }
+ }
+ }
-struct blogpost {
- long msgnum;
+
+ if (bp->alloc_msgs > 0) {
+ free(bp->msgs);
+ }
+ free(bp);
+}
+
+
+/*
+ * Data which gets returned from a call to blogview_learn_thread_references()
+ */
+struct bltr {
int id;
int refs;
- int comment_count;
-};
-
-struct blogview {
- struct blogpost *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 */
};
char *cmd,
long len)
{
- struct blogview *BLOG = malloc(sizeof(struct blogview));
- memset(BLOG, 0, sizeof(struct blogview));
+ HashList *BLOG = NewHash(1, NULL);
*ViewSpecific = BLOG;
Stat->startmsg = (-1); /* not used here */
}
-/*
- * 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)
-{
- struct blogview *BLOG = (struct blogview *) *ViewSpecific;
-
- if (BLOG->alloc_msgs == 0) {
- BLOG->alloc_msgs = 1000;
- BLOG->msgs = malloc(BLOG->alloc_msgs * sizeof(struct blogpost));
- memset(BLOG->msgs, 0, (BLOG->alloc_msgs * sizeof(struct blogpost)) );
- }
-
- /* Check our buffer size */
- if (BLOG->num_msgs >= BLOG->alloc_msgs) {
- BLOG->alloc_msgs *= 2;
- BLOG->msgs = realloc(BLOG->msgs, (BLOG->alloc_msgs * sizeof(long)));
- memset(&BLOG->msgs[BLOG->num_msgs], 0, ((BLOG->alloc_msgs - BLOG->num_msgs) * sizeof(long)) );
- }
-
- BLOG->msgs[BLOG->num_msgs++].msgnum = Msg->msgnum;
- BLOG->msgs[BLOG->num_msgs].id = 0;
- BLOG->msgs[BLOG->num_msgs].refs = 0;
- BLOG->msgs[BLOG->num_msgs].comment_count = 0;
-
- return 200;
-}
-
-
-
-/*
- * Sort a list of 'struct blogpost' objects by newest-to-oldest msgnum.
- */
-int blogview_sortfunc(const void *s1, const void *s2) {
- struct blogpost *l1 = (struct blogpost *)(s1);
- struct blogpost *l2 = (struct blogpost *)(s2);
-
- if (l1->msgnum > l2->msgnum) return(-1);
- if (l1->msgnum < l2->msgnum) return(+1);
- return(0);
-}
-
-
-
/*
* Given a 'struct blogpost' containing a msgnum, populate the id
* and refs fields by fetching them from the Citadel server
*/
-void blogview_learn_thread_references(struct blogpost *bp)
+struct bltr blogview_learn_thread_references(long msgnum)
{
StrBuf *Buf;
StrBuf *r;
+ struct bltr bltr = { 0, 0 } ;
Buf = NewStrBuf();
r = NewStrBuf();
- serv_printf("MSG0 %ld|1", bp->msgnum); /* top level citadel headers only */
+ serv_printf("MSG0 %ld|1", msgnum); /* top level citadel headers only */
StrBuf_ServGetln(Buf);
if (GetServerStatus(Buf, NULL) == 1) {
while (StrBuf_ServGetln(Buf), strcmp(ChrPtr(Buf), "000")) {
if (!strncasecmp(ChrPtr(Buf), "msgn=", 5)) {
StrBufCutLeft(Buf, 5);
- wc_printf("id %s, ", ChrPtr(Buf));
- bp->id = HashLittle(ChrPtr(Buf), StrLength(Buf));
+ bltr.id = HashLittle(ChrPtr(Buf), StrLength(Buf));
}
else if (!strncasecmp(ChrPtr(Buf), "wefw=", 5)) {
StrBufCutLeft(Buf, 5); /* trim the field name */
- wc_printf("refs %s, ", ChrPtr(Buf));
StrBufExtract_token(r, Buf, 0, '|');
- wc_printf("topref %s, ", ChrPtr(r));
- bp->refs = HashLittle(ChrPtr(r), StrLength(r));
+ bltr.refs = HashLittle(ChrPtr(r), StrLength(r));
}
}
- wc_printf("<br>\n");
}
FreeStrBuf(&Buf);
FreeStrBuf(&r);
+ return(bltr);
}
+/*
+ * 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)
+{
+ HashList *BLOG = (HashList *) *ViewSpecific;
+ struct bltr b;
+ struct blogpost *bp = NULL;
+ b = blogview_learn_thread_references(Msg->msgnum);
-int blogview_render(SharedMessageStatus *Stat, void **ViewSpecific, long oper)
-{
- struct blogview *BLOG = (struct blogview *) *ViewSpecific;
- int i, j;
+ /* FIXME an optimization here -- one we ought to perform -- is to exit this
+ * function immediately if the viewer is only interested in a single post and
+ * that message ID is neither the id nor the refs. Actually, that might *be*
+ * the way to display only a single message (with or without comments).
+ */
- /* Pass #1 - sort */
- if (Stat->nummsgs > 0) {
- lprintf(9, "sorting %d messages\n", BLOG->num_msgs);
- qsort(BLOG->msgs, (size_t)(BLOG->num_msgs), sizeof(struct blogpost), blogview_sortfunc);
+ if (b.refs == 0) {
+ bp = malloc(sizeof(struct blogpost));
+ if (!bp) return(200);
+ memset(bp, 0, sizeof (struct blogpost));
+ bp->top_level_id = b.id;
+ Put(BLOG, (const char *)&b.id, sizeof(b.id), bp,
+ (DeleteHashDataFunc)blogpost_render_and_destroy);
+ }
+ else {
+ GetHash(BLOG, (const char *)&b.refs , sizeof(b.refs), (void *)&bp);
}
- /* Pass #2 - learn thread references */
- lprintf(9, "learning thread references\n");
- for (i=0; (i<BLOG->num_msgs); ++i) {
- if (BLOG->msgs[i].msgnum > 0L) {
- blogview_learn_thread_references(&BLOG->msgs[i]);
+ /*
+ * 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.
+ */
+ 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)) );
}
+ bp->msgs[bp->num_msgs++] = Msg->msgnum;
}
- /* Pass #3 - turn it into a thread tree */
- /* FIXME implement this */
+ return 200;
+}
- /* Pass #4 - render
- * This will require several different modes:
- * * Top level
- * * Single story permalink
- * * Comments
- * * etc
- */
- wc_printf("<hr>\n");
+/*
+ * Sort a list of 'struct blogpost' objects by newest-to-oldest msgnum.
+ */
+int blogview_sortfunc(const void *s1, const void *s2) {
+ long *l1 = (long *)(s1);
+ long *l2 = (long *)(s2);
- for (i=0; (i<BLOG->num_msgs); ++i) {
- if (BLOG->msgs[i].msgnum > 0L) {
- wc_printf("Message %d, #%ld, id %d, refs %d<br>\n",
- i,
- BLOG->msgs[i].msgnum,
- BLOG->msgs[i].id,
- BLOG->msgs[i].refs
- );
- }
- }
+ if (*l1 > *l2) return(-1);
+ if (*l1 < *l2) return(+1);
+ return(0);
+}
- wc_printf("<hr>\n");
-
- for (i=0; (i<BLOG->num_msgs); ++i) {
- if (BLOG->msgs[i].msgnum > 0L) {
- if (BLOG->msgs[i].refs == 0) {
- wc_printf("<b>Message %d, #%ld, id %d, refs %d</b><br>\n",
- i,
- BLOG->msgs[i].msgnum,
- BLOG->msgs[i].id,
- BLOG->msgs[i].refs
- );
- for (j=0; (j<BLOG->num_msgs); ++j) {
- if (BLOG->msgs[j].refs == BLOG->msgs[i].id) {
- wc_printf("* comment %d<br>\n", j);
- }
- }
- }
- }
- }
+
+int blogview_render(SharedMessageStatus *Stat, void **ViewSpecific, long oper)
+{
+ /*HashList *BLOG = (HashList *) *ViewSpecific;*/
+
+ /*
+ * No code needed here -- we render during disposition.
+ * Maybe this is the location where we want to handle pretty permalinks.
+ */
return(0);
}
int blogview_Cleanup(void **ViewSpecific)
{
- struct blogview *BLOG = (struct blogview *) *ViewSpecific;
+ HashList *BLOG = (HashList *) *ViewSpecific;
- if (BLOG->alloc_msgs != 0) {
- free(BLOG->msgs);
- }
- free(BLOG);
+ DeleteHash(&BLOG);
wDumpContent(1);
return 0;