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| /*
** Copyright (c) 2007 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the Simplified BSD License (also
** known as the "2-Clause License" or "FreeBSD License".)
** This program is distributed in the hope that it will be useful,
** but without any warranty; without even the implied warranty of
** merchantability or fitness for a particular purpose.
**
** Author contact information:
** drh@hwaci.com
** http://www.hwaci.com/drh/
**
*******************************************************************************
**
** 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>
/*
** WEBPAGE: timeline.rss
** URL: /timeline.rss?y=TYPE&n=LIMIT&tkt=HASH&tag=TAG&wiki=NAME&name=FILENAME
**
** Produce an RSS feed of the timeline.
**
** TYPE may be: all, ci (show check-ins only), t (show ticket changes only),
** w (show wiki only), e (show tech notes only), f (show forum posts only),
** g (show tag/branch changes only).
**
** LIMIT is the number of items to show.
**
** tkt=HASH filters for only those events for the specified ticket. tag=TAG
** filters for a tag, and wiki=NAME for a wiki page. Only one may be used.
**
** In addition, name=FILENAME filters for a specific file. This may be
** combined with one of the other filters (useful for looking at a specific
** branch).
*/
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"));
int nTagId;
const char zSQL1[] =
@ SELECT
@ blob.rid,
@ uuid,
@ event.mtime,
@ event.type,
@ coalesce(ecomment,comment),
@ coalesce(euser,user),
@ (SELECT count(*) FROM plink WHERE pid=blob.rid AND isprim),
@ (SELECT count(*) FROM plink WHERE cid=blob.rid),
@ (SELECT group_concat(substr(tagname,5), ', ') FROM tag, tagxref
@ WHERE tagname GLOB 'sym-*' AND tag.tagid=tagxref.tagid
@ AND tagxref.rid=blob.rid AND tagxref.tagtype>0) AS tags
@ FROM event, blob
@ WHERE blob.rid=event.objid
;
login_check_credentials();
if( !g.perm.Read && !g.perm.RdTkt && !g.perm.RdWiki ){
return;
}
blob_zero(&bSQL);
blob_append( &bSQL, zSQL1, -1 );
if( zType[0]!='a' ){
if( zType[0]=='c' && !g.perm.Read ) zType = "x";
if( zType[0]=='w' && !g.perm.RdWiki ) zType = "x";
if( zType[0]=='t' && !g.perm.RdTkt ) zType = "x";
if( zType[0]=='f' && !g.perm.RdForum ) zType = "x";
blob_append_sql(&bSQL, " AND event.type=%Q", zType);
}else{
blob_append(&bSQL, " AND event.type in (", -1);
if( g.perm.Read ){
blob_append(&bSQL, "'ci',", 4);
}
if( g.perm.RdTkt ){
blob_append(&bSQL, "'t',", 4);
}
if( g.perm.RdWiki ){
blob_append(&bSQL, "'w',", 4);
}
if( g.perm.RdForum ){
blob_append(&bSQL, "'f',", -1);
}
blob_append(&bSQL, "'x')", 4);
}
if( zTicketUuid ){
nTagId = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB 'tkt-%q*'",
zTicketUuid);
if ( nTagId==0 ){
nTagId = -1;
}
}else if( zTag ){
nTagId = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB 'sym-%q*'",
zTag);
if ( nTagId==0 ){
nTagId = -1;
}
}else if( zWiki ){
nTagId = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB 'wiki-%q*'",
zWiki);
if ( nTagId==0 ){
nTagId = -1;
}
}else{
nTagId = 0;
}
if( nTagId==-1 ){
blob_append_sql(&bSQL, " AND 0");
}else if( nTagId!=0 ){
blob_append_sql(&bSQL, " AND (EXISTS(SELECT 1 FROM tagxref"
" WHERE tagid=%d AND tagtype>0 AND rid=blob.rid))", nTagId);
}
if( zFilename ){
blob_append_sql(&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 ){
zFreeProjectName = zProjectName = mprintf("Fossil source repository for: %s",
g.zBaseURL);
}
zProjectDescr = db_get("project-description", 0);
if( zProjectDescr==0 ){
zProjectDescr = zProjectName;
}
zPubDate = cgi_rfc822_datestamp(time(NULL));
@ <?xml version="1.0"?>
@ <rss xmlns:dc="http://purl.org/dc/elements/1.1/" version="2.0">
@ <channel>
@ <title>%h(zProjectName)</title>
@ <link>%s(g.zBaseURL)</link>
@ <description>%h(zProjectDescr)</description>
@ <pubDate>%s(zPubDate)</pubDate>
@ <generator>Fossil version %s(MANIFEST_VERSION) %s(MANIFEST_DATE)</generator>
free(zPubDate);
db_prepare(&q, "%s", blob_sql_text(&bSQL));
blob_reset( &bSQL );
while( db_step(&q)==SQLITE_ROW && nLine<nLimit ){
const char *zId = db_column_text(&q, 1);
const char *zType = db_column_text(&q, 3);
const char *zCom = db_column_text(&q, 4);
const char *zAuthor = db_column_text(&q, 5);
char *zPrefix = "";
char *zSuffix = 0;
char *zDate;
int nChild = db_column_int(&q, 5);
int nParent = db_column_int(&q, 7);
const char *zTagList = db_column_text(&q, 8);
time_t ts;
if( zTagList && zTagList[0]==0 ) zTagList = 0;
ts = (time_t)((db_column_double(&q,2) - 2440587.5)*86400.0);
zDate = cgi_rfc822_datestamp(ts);
if('c'==zType[0]){
if( nParent>1 && nChild>1 ){
zPrefix = "*MERGE/FORK* ";
}else if( nParent>1 ){
zPrefix = "*MERGE* ";
}else if( nChild>1 ){
zPrefix = "*FORK* ";
}
}else if('w'==zType[0]){
switch(zCom ? zCom[0] : 0){
case ':': zPrefix = "Edit wiki page: "; break;
case '+': zPrefix = "Add wiki page: "; break;
case '-': zPrefix = "Delete wiki page: "; break;
}
if(*zPrefix) ++zCom;
}
if( zTagList ){
zSuffix = mprintf(" (tags: %s)", zTagList);
}
@ <item>
@ <title>%s(zPrefix)%h(zCom)%h(zSuffix)</title>
@ <link>%s(g.zBaseURL)/info/%s(zId)</link>
@ <description>%s(zPrefix)%h(zCom)%h(zSuffix)</description>
@ <pubDate>%s(zDate)</pubDate>
@ <dc:creator>%h(zAuthor)</dc:creator>
@ <guid>%s(g.zBaseURL)/info/%s(zId)</guid>
@ </item>
free(zDate);
free(zSuffix);
nLine++;
}
db_finalize(&q);
@ </channel>
@ </rss>
if( zFreeProjectName != 0 ){
free( zFreeProjectName );
}
}
/*
** COMMAND: rss*
**
** Usage: %fossil rss ?OPTIONS?
**
** The CLI variant of the /timeline.rss page, this produces an RSS
** feed of the timeline to stdout. Options:
**
** -type|y FLAG May be: all (default), ci (show check-ins only),
** t (show tickets only), w (show wiki only).
**
** -limit|n LIMIT The maximum number of items to show.
**
** -tkt HASH Filter for only those events for the specified ticket.
**
** -tag TAG Filter for a tag
**
** -wiki NAME Filter on a specific wiki page.
**
** Only one of -tkt, -tag, or -wiki may be used.
**
** -name FILENAME Filter for a specific file. This may be combined
** with one of the other filters (useful for looking
** at a specific branch).
**
** -url STRING Set the RSS feed's root URL to the given string.
** The default is "URL-PLACEHOLDER" (without quotes).
*/
void cmd_timeline_rss(void){
Stmt q;
int nLine=0;
char *zPubDate, *zProjectName, *zProjectDescr, *zFreeProjectName=0;
Blob bSQL;
const char *zType = find_option("type","y",1); /* Type of events. All if NULL */
const char *zTicketUuid = find_option("tkt",NULL,1);
const char *zTag = find_option("tag",NULL,1);
const char *zFilename = find_option("name",NULL,1);
const char *zWiki = find_option("wiki",NULL,1);
const char *zLimit = find_option("limit", "n",1);
const char *zBaseURL = find_option("url", NULL, 1);
int nLimit = atoi( (zLimit && *zLimit) ? zLimit : "20" );
int nTagId;
const char zSQL1[] =
@ SELECT
@ blob.rid,
@ uuid,
@ event.mtime,
@ coalesce(ecomment,comment),
@ coalesce(euser,user),
@ (SELECT count(*) FROM plink WHERE pid=blob.rid AND isprim),
@ (SELECT count(*) FROM plink WHERE cid=blob.rid),
@ (SELECT group_concat(substr(tagname,5), ', ') FROM tag, tagxref
@ WHERE tagname GLOB 'sym-*' AND tag.tagid=tagxref.tagid
@ AND tagxref.rid=blob.rid AND tagxref.tagtype>0) AS tags
@ FROM event, blob
@ WHERE blob.rid=event.objid
;
if(!zType || !*zType){
zType = "all";
}
if(!zBaseURL || !*zBaseURL){
zBaseURL = "URL-PLACEHOLDER";
}
db_find_and_open_repository(0, 0);
/* We should be done with options.. */
verify_all_options();
blob_zero(&bSQL);
blob_append( &bSQL, zSQL1, -1 );
if( zType[0]!='a' ){
blob_append_sql(&bSQL, " AND event.type=%Q", zType);
}
if( zTicketUuid ){
nTagId = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB 'tkt-%q*'",
zTicketUuid);
if ( nTagId==0 ){
nTagId = -1;
}
}else if( zTag ){
nTagId = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB 'sym-%q*'",
zTag);
if ( nTagId==0 ){
nTagId = -1;
}
}else if( zWiki ){
nTagId = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB 'wiki-%q*'",
zWiki);
if ( nTagId==0 ){
nTagId = -1;
}
}else{
nTagId = 0;
}
if( nTagId==-1 ){
blob_append_sql(&bSQL, " AND 0");
}else if( nTagId!=0 ){
blob_append_sql(&bSQL, " AND (EXISTS(SELECT 1 FROM tagxref"
" WHERE tagid=%d AND tagtype>0 AND rid=blob.rid))", nTagId);
}
if( zFilename ){
blob_append_sql(&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 );
zProjectName = db_get("project-name", 0);
if( zProjectName==0 ){
zFreeProjectName = zProjectName = mprintf("Fossil source repository for: %s",
zBaseURL);
}
zProjectDescr = db_get("project-description", 0);
if( zProjectDescr==0 ){
zProjectDescr = zProjectName;
}
zPubDate = cgi_rfc822_datestamp(time(NULL));
fossil_print("<?xml version=\"1.0\"?>");
fossil_print("<rss xmlns:dc=\"http://purl.org/dc/elements/1.1/\" version=\"2.0\">");
fossil_print("<channel>\n");
fossil_print("<title>%h</title>\n", zProjectName);
fossil_print("<link>%s</link>\n", zBaseURL);
fossil_print("<description>%h</description>\n", zProjectDescr);
fossil_print("<pubDate>%s</pubDate>\n", zPubDate);
fossil_print("<generator>Fossil version %s %s</generator>\n",
MANIFEST_VERSION, MANIFEST_DATE);
free(zPubDate);
db_prepare(&q, "%s", blob_sql_text(&bSQL));
blob_reset( &bSQL );
while( db_step(&q)==SQLITE_ROW && nLine<nLimit ){
const char *zId = db_column_text(&q, 1);
const char *zCom = db_column_text(&q, 3);
const char *zAuthor = db_column_text(&q, 4);
char *zPrefix = "";
char *zSuffix = 0;
char *zDate;
int nChild = db_column_int(&q, 5);
int nParent = db_column_int(&q, 6);
const char *zTagList = db_column_text(&q, 7);
time_t ts;
if( zTagList && zTagList[0]==0 ) zTagList = 0;
ts = (time_t)((db_column_double(&q,2) - 2440587.5)*86400.0);
zDate = cgi_rfc822_datestamp(ts);
if( nParent>1 && nChild>1 ){
zPrefix = "*MERGE/FORK* ";
}else if( nParent>1 ){
zPrefix = "*MERGE* ";
}else if( nChild>1 ){
zPrefix = "*FORK* ";
}
if( zTagList ){
zSuffix = mprintf(" (tags: %s)", zTagList);
}
fossil_print("<item>");
fossil_print("<title>%s%h%h</title>\n", zPrefix, zCom, zSuffix);
fossil_print("<link>%s/info/%s</link>\n", zBaseURL, zId);
fossil_print("<description>%s%h%h</description>\n", zPrefix, zCom, zSuffix);
fossil_print("<pubDate>%s</pubDate>\n", zDate);
fossil_print("<dc:creator>%h</dc:creator>\n", zAuthor);
fossil_print("<guid>%s/info/%s</guid>\n", g.zBaseURL, zId);
fossil_print("</item>\n");
free(zDate);
free(zSuffix);
nLine++;
}
db_finalize(&q);
fossil_print("</channel>\n");
fossil_print("</rss>\n");
if( zFreeProjectName != 0 ){
free( zFreeProjectName );
}
}
|