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**
** This file contains code used to create a RSS feed for the CGI interface.
*/
#include "config.h"
#include <time.h>
#include "rss.h"
#include <assert.h>
static int append_tag_filter(Blob* bSQL, const char* zName, const char* zType)
{
if ( zName ){
int nTagId = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB '%s-%q*'",
zType, zName);
if ( nTagId == 0 ){
return 0;
}
blob_appendf(bSQL, " AND objid IN (SELECT rid FROM tagxref WHERE tagid=%d)", nTagId);
}
return 1;
}
/*
** WEBPAGE: timeline.rss
** URL: /timeline.rss/y=TYPE&n=LIMIT&tkt=UUID&tag=TAG&name=FILENAME&wiki=NAME
**
** Produce an RSS feed of the timeline.
**
** TYPE may be: all, ci (show checkins only), t (show tickets only),
** w (show wiki only). LIMIT is the number of items to show.
**
** tkt=UUID filters for only those events for the specified ticket. tag=TAG
** filters for a tag, and name=FILENAME for a file. Some combinations may be
** used.
*/
void page_timeline_rss(void){
Stmt q;
int nLine=0;
char *zPubDate, *zProjectName, *zProjectDescr, *zFreeProjectName=0;
Blob bSQL;
const char *zType = PD("y","all"); /* Type of events. All if NULL */
const char *zTicketUuid = PD("tkt",NULL);
const char *zTag = PD("tag",NULL);
const char *zFilename = PD("name",NULL);
const char *zWiki = PD("wiki",NULL);
int nLimit = atoi(PD("n","20"));
const char zSQL1[] =
@ SELECT
@ blob.rid,
@ uuid,
@ event.mtime,
@ coalesce(ecomment,comment),
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blob_appendf(&bSQL, " AND event.type=%Q", zType);
}else{
if( !g.perm.Read ){
if( g.perm.RdTkt && g.perm.RdWiki ){
blob_append(&bSQL, " AND event.type!='ci'", -1);
}else if( g.perm.RdTkt ){
blob_append(&bSQL, " AND event.type=='t'", -1);
}else{
blob_append(&bSQL, " AND event.type=='w'", -1);
}
}else if( !g.perm.RdWiki ){
if( g.perm.RdTkt ){
blob_append(&bSQL, " AND event.type!='w'", -1);
}else{
blob_append(&bSQL, " AND event.type=='ci'", -1);
}
}else if( !g.perm.RdTkt ){
assert( !g.perm.RdTkt &&& g.perm.Read && g.perm.RdWiki );
blob_append(&bSQL, " AND event.type!='t'", -1);
}
}
if( !append_tag_filter(&bSQL, zTicketUuid, "tkt") ){
return;
}
if( !append_tag_filter(&bSQL, zTag, "sym") ){
return;
}
if( !append_tag_filter(&bSQL, zWiki, "wiki") ){
return;
}
if ( zFilename ){
blob_appendf(&bSQL,
" AND (SELECT mlink.fnid FROM mlink WHERE event.objid=mlink.mid) IN (SELECT fnid FROM filename WHERE name=%Q %s)",
zFilename, filename_collation()
);
}
blob_append( &bSQL, " ORDER BY event.mtime DESC", -1 );
cgi_set_content_type("application/rss+xml");
zProjectName = db_get("project-name", 0);
if( zProjectName==0 ){
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