/*
** Copyright (c) 2007 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public
** License version 2 as published by the Free Software Foundation.
**
** 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. See the GNU
** General Public License for more details.
**
** You should have received a copy of the GNU General Public
** License along with this library; if not, write to the
** Free Software Foundation, Inc., 59 Temple Place - Suite 330,
** Boston, MA 02111-1307, USA.
**
** Author contact information:
** drh@hwaci.com
** http://www.hwaci.com/drh/
**
*******************************************************************************
**
** This file contains code used render and control ticket entry
** and display pages.
*/
#include "config.h"
#include "tkt.h"
#include <assert.h>
/*
** The list of database user-defined fields in the TICKET table.
** The real table also contains some addition fields for internal
** used. The internal-use fields begin with "tkt_".
*/
static int nField = 0;
static char **azField = 0; /* Names of database fields */
static char **azValue = 0; /* Original values */
static char **azAppend = 0; /* Value to be appended */
/*
** Compare two entries in azField for sorting purposes
*/
static int nameCmpr(const void *a, const void *b){
return strcmp(*(char**)a, *(char**)b);
}
/*
** Obtain a list of all fields of the TICKET table. Put them
** in sorted order in azField[].
**
** Also allocate space for azValue[] and azAppend[] and initialize
** all the values there to zero.
*/
static void getAllTicketFields(void){
Stmt q;
int i;
if( nField>0 ) return;
db_prepare(&q, "PRAGMA table_info(ticket)");
while( db_step(&q)==SQLITE_ROW ){
const char *zField = db_column_text(&q, 1);
if( strncmp(zField,"tkt_",4)==0 ) continue;
if( nField%10==0 ){
azField = realloc(azField, sizeof(azField)*3*(nField+10) );
if( azField==0 ){
fossil_fatal("out of memory");
}
}
azField[nField] = mprintf("%s", zField);
nField++;
}
db_finalize(&q);
qsort(azField, nField, sizeof(azField[0]), nameCmpr);
azAppend = &azField[nField];
memset(azAppend, 0, sizeof(azAppend[0])*nField);
azValue = &azAppend[nField];
for(i=0; i<nField; i++){
azValue[i] = "";
}
}
/*
** Return the index into azField[] of the given field name.
** Return -1 if zField is not in azField[].
*/
static int fieldId(const char *zField){
int i;
for(i=0; i<nField; i++){
if( strcmp(azField[i], zField)==0 ) return i;
}
return -1;
}
/*
** Query the database for all TICKET fields for the specific
** ticket whose name is given by the "name" CGI parameter.
** Load the values for all fields into the interpreter.
**
** Only load those fields which do not already exist as
** variables.
**
** Fields of the TICKET table that begin with "private_" are
** expanded using the db_reveal() function. This function will
** decode the content so that it is legable if g.okRdAddr is true.
** Otherwise, db_reveal() is a no-op and the content remains
** obscured.
*/
static void initializeVariablesFromDb(void){
const char *zName;
Stmt q;
int i, n, size, j;
zName = PD("name","-none-");
db_prepare(&q, "SELECT datetime(tkt_mtime) AS tkt_datetime, *"
" FROM ticket WHERE tkt_uuid GLOB '%q*'", zName);
if( db_step(&q)==SQLITE_ROW ){
n = db_column_count(&q);
for(i=0; i<n; i++){
const char *zVal = db_column_text(&q, i);
const char *zName = db_column_name(&q, i);
char *zRevealed = 0;
if( zVal==0 ){
zVal = "";
}else if( strncmp(zName, "private_", 8)==0 ){
zVal = zRevealed = db_reveal(zVal);
}
for(j=0; j<nField; j++){
if( strcmp(azField[j],zName)==0 ){
azValue[j] = mprintf("%s", zVal);
break;
}
}
if( Th_Fetch(zName, &size)==0 ){
Th_Store(zName, zVal);
}
free(zRevealed);
}
}else{
db_finalize(&q);
db_prepare(&q, "PRAGMA table_info(ticket)");
while( db_step(&q)==SQLITE_ROW ){
const char *zField = db_column_text(&q, 1);
if( Th_Fetch(zField, &size)==0 ){
Th_Store(zField, "");
}
}
}
db_finalize(&q);
}
/*
** Transfer all CGI parameters to variables in the interpreter.
*/
static void initializeVariablesFromCGI(void){
int i;
const char *z;
for(i=0; (z = cgi_parameter_name(i))!=0; i++){
Th_Store(z, P(z));
}
}
/*
** Rebuild all tickets named in the _pending_ticket table.
**
** This routine is called just prior to commit after new
** out-of-sequence ticket changes have been added.
*/
static int ticket_rebuild_at_commit(void){
Stmt q;
db_multi_exec(
"DELETE FROM ticket WHERE tkt_uuid IN _pending_ticket"
);
db_prepare(&q, "SELECT uuid FROM _pending_ticket");
while( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
ticket_rebuild_entry(zUuid);
}
db_multi_exec(
"DELETE FROM _pending_ticket"
);
return 0;
}
/*
** Update an entry of the TICKET table according to the information
** in the control file given in p. Attempt to create the appropriate
** TICKET table entry if createFlag is true. If createFlag is false,
** that means we already know the entry exists and so we can save the
** work of trying to create it.
*/
void ticket_insert(Manifest *p, int createFlag, int checkTime){
Blob sql;
Stmt q;
int i;
const char *zSep;
getAllTicketFields();
if( createFlag ){
db_multi_exec("INSERT OR IGNORE INTO ticket(tkt_uuid, tkt_mtime) "
"VALUES(%Q, 0)", p->zTicketUuid);
}
blob_zero(&sql);
blob_appendf(&sql, "UPDATE OR REPLACE ticket SET tkt_mtime=:mtime");
zSep = "SET";
for(i=0; i<p->nField; i++){
const char *zName = p->aField[i].zName;
if( zName[0]=='+' ){
zName++;
if( fieldId(zName)<0 ) continue;
blob_appendf(&sql,", %s=%s || %Q", zName, zName, p->aField[i].zValue);
}else{
if( fieldId(zName)<0 ) continue;
blob_appendf(&sql,", %s=%Q", zName, p->aField[i].zValue);
}
}
blob_appendf(&sql, " WHERE tkt_uuid='%s' AND tkt_mtime<:mtime",
p->zTicketUuid);
db_prepare(&q, "%s", blob_str(&sql));
db_bind_double(&q, ":mtime", p->rDate);
db_step(&q);
db_finalize(&q);
if( checkTime && db_changes()==0 ){
static int isInit = 0;
if( !isInit ){
db_multi_exec("CREATE TEMP TABLE _pending_ticket(uuid TEXT UNIQUE)");
db_commit_hook(ticket_rebuild_at_commit, 1);
isInit = 1;
}
db_multi_exec("INSERT OR IGNORE INTO _pending_ticket "
"VALUES(%Q)", p->zTicketUuid);
}
blob_reset(&sql);
}
/*
** Rebuild an entire entry in the TICKET table
*/
void ticket_rebuild_entry(const char *zTktUuid){
char *zTag = mprintf("tkt-%s", zTktUuid);
int tagid = tag_findid(zTag, 1);
Stmt q;
Manifest manifest;
Blob content;
int createFlag = 1;
db_multi_exec(
"DELETE FROM ticket WHERE tkt_uuid=%Q", zTktUuid
);
db_prepare(&q, "SELECT rid FROM tagxref WHERE tagid=%d ORDER BY mtime",tagid);
while( db_step(&q)==SQLITE_ROW ){
int rid = db_column_int(&q, 0);
content_get(rid, &content);
manifest_parse(&manifest, &content);
ticket_insert(&manifest, createFlag, 0);
manifest_clear(&manifest);
createFlag = 0;
}
db_finalize(&q);
}
/*
** Create the subscript interpreter and load the "common" code.
*/
void ticket_init(void){
const char *zConfig;
Th_FossilInit();
zConfig = ticket_common_code();
Th_Eval(g.interp, 0, (const uchar*)zConfig, -1);
}
/*
** Recreate the ticket table.
*/
void ticket_create_table(int separateConnection){
const char *zSql;
db_multi_exec("DROP TABLE IF EXISTS ticket;");
zSql = ticket_table_schema();
if( separateConnection ){
db_init_database(g.zRepositoryName, zSql, 0);
}else{
db_multi_exec("%s", zSql);
}
}
/*
** Repopulate the ticket table
*/
void ticket_rebuild(void){
Stmt q;
ticket_create_table(1);
db_begin_transaction();
db_prepare(&q,"SELECT tagname FROM tag WHERE tagname GLOB 'tkt-*'");
while( db_step(&q)==SQLITE_ROW ){
const char *zName = db_column_text(&q, 0);
int len;
zName += 4;
len = strlen(zName);
if( len<20 || !validate16(zName, len) ) continue;
ticket_rebuild_entry(zName);
}
db_finalize(&q);
db_end_transaction(0);
}
/*
** WEBPAGE: tktview
** URL: tktview?name=UUID
**
** View a ticket.
*/
void tktview_page(void){
const char *zScript;
login_check_credentials();
if( !g.okRdTkt ){ login_needed(); return; }
if( g.okWrTkt ){
style_submenu_element("Edit", "Edit The Ticket", "%s/tktedit?name=%T",
g.zTop, PD("name",""));
}
if( g.okHistory ){
style_submenu_element("History", "History Of This Ticket",
"%s/tkthistory/%T", g.zTop, PD("name",""));
}
style_header("View Ticket");
ticket_init();
initializeVariablesFromDb();
zScript = ticket_viewpage_code();
Th_Render(zScript);
style_footer();
}
/*
** TH command: append_field FIELD STRING
**
** FIELD is the name of a database column to which we might want
** to append text. STRING is the text to be appended to that
** column. The append does not actually occur until the
** submit_ticket command is run.
*/
static int appendRemarkCmd(
Th_Interp *interp,
void *p,
int argc,
const unsigned char **argv,
int *argl
){
int idx;
if( argc!=3 ){
return Th_WrongNumArgs(interp, "append_field FIELD STRING");
}
for(idx=0; idx<nField; idx++){
if( strncmp(azField[idx], (const char*)argv[1], argl[1])==0
&& azField[idx][argl[1]]==0 ){
break;
}
}
if( idx>=nField ){
Th_ErrorMessage(g.interp, "no such TICKET column: ", argv[1], argl[1]);
return TH_ERROR;
}
azAppend[idx] = mprintf("%.*s", argl[2], argv[2]);
return TH_OK;
}
/*
** Subscript command: submit_ticket
**
** Construct and submit a new ticket artifact. The fields of the artifact
** are the names of the columns in the TICKET table. The content is
** taken from TH variables. If the content is unchanged, the field is
** omitted from the artifact. Fields whose names begin with "private_"
** are concealed using the db_conceal() function.
*/
static int submitTicketCmd(
Th_Interp *interp,
void *pUuid,
int argc,
const unsigned char **argv,
int *argl
){
char *zDate;
const char *zUuid;
int i;
int rid;
Blob tktchng, cksum;
zUuid = (const char *)pUuid;
blob_zero(&tktchng);
zDate = db_text(0, "SELECT datetime('now')");
zDate[10] = 'T';
blob_appendf(&tktchng, "D %s\n", zDate);
free(zDate);
for(i=0; i<nField; i++){
const char *zValue;
int nValue;
if( azAppend[i] ){
blob_appendf(&tktchng, "J +%s %z\n", azField[i],
fossilize(azAppend[i], -1));
}else{
zValue = Th_Fetch(azField[i], &nValue);
if( zValue ){
while( nValue>0 && isspace(zValue[nValue-1]) ){ nValue--; }
if( strncmp(azField[i], "private_", 8)==0 ){
zValue = db_conceal(zValue, nValue);
nValue = strlen(zValue);
}
if( strncmp(zValue, azValue[i], nValue)
|| strlen(azValue[i])!=nValue ){
blob_appendf(&tktchng, "J %s %z\n",
azField[i], fossilize(zValue,nValue));
}
}
}
}
if( *(char**)pUuid ){
zUuid = db_text(0,
"SELECT tkt_uuid FROM ticket WHERE tkt_uuid GLOB '%s*'", P("name")
);
}else{
zUuid = db_text(0, "SELECT lower(hex(randomblob(20)))");
}
*(const char**)pUuid = zUuid;
blob_appendf(&tktchng, "K %s\n", zUuid);
blob_appendf(&tktchng, "U %F\n", g.zLogin ? g.zLogin : "");
md5sum_blob(&tktchng, &cksum);
blob_appendf(&tktchng, "Z %b\n", &cksum);
if( strncmp(g.zPath,"debug_",6)==0 ){
@ <hr><pre>
@ %h(blob_str(&tktchng))
@ </pre><hr>
blob_zero(&tktchng);
return TH_OK;
}
rid = content_put(&tktchng, 0, 0);
if( rid==0 ){
fossil_panic("trouble committing ticket: %s", g.zErrMsg);
}
manifest_crosslink(rid, &tktchng);
return TH_RETURN;
}
/*
** WEBPAGE: tktnew
** WEBPAGE: debug_tktnew
**
** Enter a new ticket. the tktnew_template script in the ticket
** configuration is used. The /tktnew page is the official ticket
** entry page. The /debug_tktnew page is used for debugging the
** tktnew_template in the ticket configuration. /debug_tktnew works
** just like /tktnew except that it does not really save the new ticket
** when you press submit - it just prints the ticket artifact at the
** top of the screen.
*/
void tktnew_page(void){
const char *zScript;
char *zNewUuid = 0;
login_check_credentials();
if( !g.okNewTkt ){ login_needed(); return; }
if( P("cancel") ){
cgi_redirect("home");
}
style_header("New Ticket");
ticket_init();
getAllTicketFields();
initializeVariablesFromDb();
initializeVariablesFromCGI();
@ <form method="POST" action="%s(g.zBaseURL)/%s(g.zPath)">
zScript = ticket_newpage_code();
Th_Store("login", g.zLogin);
Th_Store("date", db_text(0, "SELECT datetime('now')"));
Th_CreateCommand(g.interp, "submit_ticket", submitTicketCmd,
(void*)&zNewUuid, 0);
if( Th_Render(zScript)==TH_RETURN && zNewUuid ){
cgi_redirect(mprintf("%s/tktview/%s", g.zBaseURL, zNewUuid));
return;
}
@ </form>
style_footer();
}
/*
** WEBPAGE: tktedit
** WEBPAGE: debug_tktedit
**
** Edit a ticket. The ticket is identified by the name CGI parameter.
** /tktedit is the official page. The /debug_tktedit page does the same
** thing except that it does not save the ticket change record when you
** press submit - it instead prints the ticket change record at the top
** of the page. The /debug_tktedit page is intended to be used when
** debugging ticket configurations.
*/
void tktedit_page(void){
const char *zScript;
int nName;
const char *zName;
int nRec;
login_check_credentials();
if( !g.okApndTkt && !g.okWrTkt ){ login_needed(); return; }
zName = P("name");
if( P("cancel") ){
cgi_redirectf("tktview?name=%T", zName);
}
style_header("Edit Ticket");
if( zName==0 || (nName = strlen(zName))<4 || nName>UUID_SIZE
|| !validate16(zName,nName) ){
@ <font color="red"><b>Not a valid ticket id: \"%h(zName)\"</b></font>
style_footer();
return;
}
nRec = db_int(0, "SELECT count(*) FROM ticket WHERE tkt_uuid GLOB '%q*'",
zName);
if( nRec==0 ){
@ <font color="red"><b>No such ticket: \"%h(zName)\"</b></font>
style_footer();
return;
}
if( nRec>1 ){
@ <font color="red"><b>%d(nRec) tickets begin with: \"%h(zName)\"</b></font>
style_footer();
return;
}
ticket_init();
getAllTicketFields();
initializeVariablesFromCGI();
initializeVariablesFromDb();
@ <form method="POST" action="%s(g.zBaseURL)/%s(g.zPath)">
@ <input type="hidden" name="name" value="%s(zName)">
zScript = ticket_editpage_code();
Th_Store("login", g.zLogin);
Th_Store("date", db_text(0, "SELECT datetime('now')"));
Th_CreateCommand(g.interp, "append_field", appendRemarkCmd, 0, 0);
Th_CreateCommand(g.interp, "submit_ticket", submitTicketCmd, (void*)&zName,0);
if( Th_Render(zScript)==TH_RETURN && zName ){
cgi_redirect(mprintf("%s/tktview/%s", g.zBaseURL, zName));
return;
}
@ </form>
style_footer();
}
/*
** Check the ticket table schema in zSchema to see if it appears to
** be well-formed. If everything is OK, return NULL. If something is
** amiss, then return a pointer to a string (obtained from malloc) that
** describes the problem.
*/
char *ticket_schema_check(const char *zSchema){
char *zErr = 0;
int rc;
sqlite3 *db;
rc = sqlite3_open(":memory:", &db);
if( rc==SQLITE_OK ){
rc = sqlite3_exec(db, zSchema, 0, 0, &zErr);
if( rc!=SQLITE_OK ){
sqlite3_close(db);
return zErr;
}
rc = sqlite3_exec(db, "SELECT tkt_id, tkt_uuid, tkt_mtime FROM ticket",
0, 0, 0);
sqlite3_close(db);
if( rc!=SQLITE_OK ){
zErr = mprintf("schema fails to define a valid ticket table "
"containing all required fields");
return zErr;
}
}
return 0;
}
/*
** WEBPAGE: tkthistory
** URL: /tkthistory?name=TICKETUUID
**
** Show the complete change history for a single ticket
*/
void tkthistory_page(void){
Stmt q;
char *zTitle;
char *zSQL;
const char *zUuid;
int tagid;
login_check_credentials();
if( !g.okHistory || !g.okRdTkt ){ login_needed(); return; }
zUuid = PD("name","");
zTitle = mprintf("History Of Ticket %h", zUuid);
style_header(zTitle);
free(zTitle);
tagid = db_int(0, "SELECT tagid FROM tag WHERE tagname GLOB 'tkt-%q*'",zUuid);
if( tagid==0 ){
@ No such ticket: %h(zUuid)
style_footer();
return;
}
zSQL = mprintf("%s AND event.objid IN "
" (SELECT rid FROM tagxref WHERE tagid=%d) "
"ORDER BY mtime DESC",
timeline_query_for_www(), tagid);
db_prepare(&q, zSQL);
free(zSQL);
www_print_timeline(&q);
db_finalize(&q);
style_footer();
}