2 * Blog view renderer module for WebCit
4 * Copyright (c) 1996-2010 by the citadel.org team
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "webserver.h"
26 * Data which gets passed around between the various functions in this module
37 struct blogpost *msgs; /* Array of msgnums for messages we are displaying */
38 int num_msgs; /* Number of msgnums stored in 'msgs' */
39 int alloc_msgs; /* Currently allocated size of array */
44 * Entry point for message read operations.
46 int blogview_GetParamsGetServerCall(SharedMessageStatus *Stat,
52 struct blogview *BLOG = malloc(sizeof(struct blogview));
53 memset(BLOG, 0, sizeof(struct blogview));
56 Stat->startmsg = (-1); /* not used here */
57 Stat->sortit = 1; /* not used here */
58 Stat->num_displayed = DEFAULT_MAXMSGS; /* not used here */
59 if (Stat->maxmsgs == 0) Stat->maxmsgs = DEFAULT_MAXMSGS;
61 /* perform a "read all" call to fetch the message list -- we'll cut it down later */
62 rlid[2].cmd(cmd, len);
69 * This function is called for every message in the list.
71 int blogview_LoadMsgFromServer(SharedMessageStatus *Stat,
77 struct blogview *BLOG = (struct blogview *) *ViewSpecific;
79 if (BLOG->alloc_msgs == 0) {
80 BLOG->alloc_msgs = 1000;
81 BLOG->msgs = malloc(BLOG->alloc_msgs * sizeof(struct blogpost));
82 memset(BLOG->msgs, 0, (BLOG->alloc_msgs * sizeof(struct blogpost)) );
85 /* Check our buffer size */
86 if (BLOG->num_msgs >= BLOG->alloc_msgs) {
87 BLOG->alloc_msgs *= 2;
88 BLOG->msgs = realloc(BLOG->msgs, (BLOG->alloc_msgs * sizeof(long)));
89 memset(&BLOG->msgs[BLOG->num_msgs], 0, ((BLOG->alloc_msgs - BLOG->num_msgs) * sizeof(long)) );
92 BLOG->msgs[BLOG->num_msgs++].msgnum = Msg->msgnum;
93 BLOG->msgs[BLOG->num_msgs].id = NULL;
94 BLOG->msgs[BLOG->num_msgs].refs = NULL;
101 * People expect blogs to be sorted newest-to-oldest
103 int blogview_sortfunc(const void *s1, const void *s2) {
104 struct blogpost *l1 = (struct blogpost *)(s1);
105 struct blogpost *l2 = (struct blogpost *)(s2);
107 if (l1->msgnum > l2->msgnum) return(-1);
108 if (l1->msgnum < l2->msgnum) return(+1);
115 * Given a 'struct blogpost' containing a msgnum, populate the id
116 * and refs fields by fetching them from the Citadel server
118 void blogview_learn_thread_references(struct blogpost *bp)
122 serv_printf("MSG0 %ld|1", bp->msgnum); /* top level citadel headers only */
123 StrBuf_ServGetln(Buf);
124 if (GetServerStatus(Buf, NULL) == 1) {
125 while (StrBuf_ServGetln(Buf), strcmp(ChrPtr(Buf), "000")) {
126 if (!strncasecmp(ChrPtr(Buf), "msgn=", 5)) {
127 bp->id = NewStrBufDup(Buf);
128 StrBufCutLeft(bp->id, 5);
130 else if (!strncasecmp(ChrPtr(Buf), "wefw=", 5)) {
131 bp->refs = NewStrBufDup(Buf);
132 StrBufCutLeft(bp->refs, 5);
142 int blogview_render(SharedMessageStatus *Stat, void **ViewSpecific, long oper)
144 struct blogview *BLOG = (struct blogview *) *ViewSpecific;
147 if (Stat->nummsgs > 0) {
148 lprintf(9, "sorting %d messages\n", BLOG->num_msgs);
149 qsort(BLOG->msgs, (size_t)(BLOG->num_msgs), sizeof(struct blogpost), blogview_sortfunc);
152 for (i=0; (i<BLOG->num_msgs); ++i) {
153 if (BLOG->msgs[i].msgnum > 0L) {
154 blogview_learn_thread_references(&BLOG->msgs[i]);
155 wc_printf("Message %d, #%ld, id '%s', refs '%s'<br>\n",
157 BLOG->msgs[i].msgnum,
158 ChrPtr(BLOG->msgs[i].id),
159 ChrPtr(BLOG->msgs[i].refs)
168 int blogview_Cleanup(void **ViewSpecific)
170 struct blogview *BLOG = (struct blogview *) *ViewSpecific;
173 if (BLOG->alloc_msgs != 0) {
174 for (i=0; i<BLOG->num_msgs; ++i) {
175 FreeStrBuf(&BLOG->msgs[i].id);
176 FreeStrBuf(&BLOG->msgs[i].refs);
188 InitModule_BLOGVIEWRENDERERS
191 RegisterReadLoopHandlerset(
193 blogview_GetParamsGetServerCall,
196 blogview_LoadMsgFromServer,