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/*
* part of bidwatcher
* Author: Jan Starzynski
* use of this code is restricted to the terms
* of the GNU GPL, which should have been included in this
* distribution. If not, see www.gnu.org/copyleft/gpl.html.
* Here is the short version:
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* $Id: bidgui.cpp,v 1.1.2.12 2004/09/25 22:34:37 kevindication Exp $
*
* View and Control for Bidgroups
*/
#include "config.h"
#include <unistd.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#ifdef HAVE_STL
# include <cstdarg>
# include <cstdlib>
# include <cstring>
# include <map>
#else
# include <stdarg.h>
# include <stdlib.h>
# include <string.h>
#endif
#include "bidgui.h"
#include "portability.h"
using namespace std;
// Replaces or removes ascii characters > 127. On some system they are not properly shown.
void removeAscii127(char *info)
{
unsigned char *p = (unsigned char*)info;
while(*p) {
switch(*p) {
case (unsigned char)'':
*p = 'a';
break;
case (unsigned char)'':
*p = 'o';
break;
case (unsigned char)'':
*p = 'u';
break;
case (unsigned char)'':
*p = 'A';
break;
case (unsigned char)'':
*p = 'O';
break;
case (unsigned char)'':
*p = 'u';
break;
case (unsigned char)'':
*p = 's';
break;
}
if(*p > 127) *p = ' ';
p++;
}
}
BidGroup *getBidGroup()
{
static BidGroup bid_group;
return &bid_group;
}
static bool hasBid(struct auctioninfo *auc)
{
if(auc->isSnipe) return true;
if(auc->snipeAmount > 0) return true;
if(auc->myBidAmount > 0) return true;
return false;
}
static void copySnipe(struct auctioninfo *dst, const struct auctioninfo *src)
{
float new_price = 0;
if(strcmp(src->currency, dst->currency) == 0) {
new_price = src->myBidAmount;
if(strcmp(src->currency, src->ShippingCur[0]) == 0 &&
strcmp(src->currency, dst->ShippingCur[0]) == 0) {
new_price += src->Shipping[0] - dst->Shipping[0];
}
}
if(new_price < 0) new_price = 0;
setBid(dst, new_price, src->myBidQuantity, true, false);
}
// set/change bidgroup for an item
void switchBidGroup(struct auctioninfo *auction[], int auc_num, int current_auc, int new_auc,
const char *subdir, int time_diff, const char *auth_id)
{
if(current_auc < 0 || current_auc >= auc_num) return;
if(new_auc < 0 || new_auc >= auc_num) return;
BidGroup *group = getBidGroup();
struct auctioninfo *cauc = auction[current_auc];
struct auctioninfo *auc = auction[new_auc];
BidGroup::IdType cid = cauc->ItemNumber;
BidGroup::IdType id = auc->ItemNumber;
int cgid = group->groupId(cid);
// int gid = group->groupId(id);
if(cgid >= 0) group->delItem(id);
group->addItem(cid, id);
group->sweepList();
if(hasBid(cauc) && !hasBid(auc)) copySnipe(auc, cauc);
if(!hasBid(cauc) && hasBid(auc)) copySnipe(cauc, auc);
setBidGroupAuction(auction, auc_num, auth_id);
UpdateList();
WriteAucFile();
}
char *configFileName(char *file, const char *subdir, const char *fname)
{
sprintf(file, "%s/%s/%s", getenv("HOME"), subdir, fname);
return file;
}
char *bidGroupFile(char *file, const char *subdir)
{
return configFileName(file, subdir, "bidgroup.cfg");
}
void writeBidGroup(const char *subdir)
{
char file[200];
BidGroup *group = getBidGroup();
group->write(bidGroupFile(file, subdir));
}
void readBidGroup(const char *subdir)
{
char file[200];
BidGroup *group = getBidGroup();
group->clear();
group->read(bidGroupFile(file, subdir));
}
void bidGroupComment(char **str, struct auctioninfo *auction[], int auc)
{
BidGroup *group = getBidGroup();
const int gid = group->groupId(auction[auc]->ItemNumber);
if(group->numGroup() > 0) {
if(gid >= 0) *str = g_strdup_printf(" %*s%d%*s: %s", gid, "", gid + 1, group->numGroup() - gid - 1, "", *str);
else *str = g_strdup_printf(" %*s : %s", group->numGroup() - 1, "", *str);
}
}
SetBidGroupAuction::~SetBidGroupAuction()
{
setBidGroupAuction(auction, auc_num, auth_id);
}
// mark all items in a successful bidgroup
#if HAVE_BIDGROUP
static void findSucceededAuc(map<BidGroup::IdType, bool> &succeeded, const BidGroup::ItemList *list)
{
if(!list) return;
bool any_succeeded = false;
for(BidGroup::ItemList::const_iterator it = list->begin(); it != list->end(); ++it) {
if(succeeded[*it]) {
any_succeeded = true;
break;
}
}
if(any_succeeded) {
for(BidGroup::ItemList::const_iterator it = list->begin(); it != list->end(); ++it) {
succeeded[*it] = any_succeeded;
}
}
}
// I won this auction.
static bool isMine(struct auctioninfo *auction, const char *auth_id)
{
return strcmp(auction->HighBidder, auth_id) == 0 && auction->UpdTime >= auction->EndsValue;
}
#endif
void setBidGroupAuction(struct auctioninfo *auction[], int auc_num, const char *auth_id)
{
#if HAVE_BIDGROUP
BidGroup *group = getBidGroup();
map<BidGroup::IdType, bool> succeeded;
for(int i = 0; i < auc_num; i++) {
struct auctioninfo *a = auction[i];
succeeded[a->ItemNumber] = isMine(a, auth_id);
}
for(int i = 0; i < group->numGroup(); i++) {
findSucceededAuc(succeeded, group->getGroup(i));
}
for(int i = 0; i < auc_num; i++) {
struct auctioninfo *a = auction[i];
if(a->isSnipe && !isMine(a, auth_id) && succeeded[a->ItemNumber]) {
printf("clear snipe "LLU_FMT"\n", a->ItemNumber);
ClearSnipe(i);
}
}
#endif
}
void delBidGroupItem(struct auctioninfo *auction[], int auc)
{
BidGroup *group = getBidGroup();
group->delItem(auction[auc]->ItemNumber);
group->sweepList();
}
// save something in a file defined by format
void savePage(const char *page, const char *format, ...)
{
va_list va;
va_start(va, format);
char fname[4096];
vsprintf(fname, format, va);
va_end(va);
FILE *fp = fopen(fname, "w");
if(fp) {
fprintf(fp, "%s", page);
fclose(fp);
}
}
// set up a bid or snipe
void setBid(struct auctioninfo *auction, float bid, int quantity, bool snipe, bool fire_bid)
{
if(!auction) return;
auction->isSnipe = snipe;
auction->isPreBid = snipe;
auction->myBidAmount = bid;
auction->myBidQuantity = quantity;
memset(auction->snipeKey, 0, sizeof(auction->snipeKey));
if(snipe) {
auction->snipeAmount = bid;
auction->snipeQty = quantity;
} else {
auction->snipeAmount = 0;
auction->snipeQty = 0;
auction->getkey(bid, quantity);
if(fire_bid && auction->snipeKey[0]) auction->bid(FALSE);
}
UpdateList();
}
// set up a bid or snipe reading amount + quantity from a file
static struct auctioninfo *setBid(struct auctioninfo *auction, FILE *fp, bool snipe, bool fire_bid)
{
if(!auction) return auction;
float bid;
int qty;
if(fscanf(fp, "%f%d", &bid, &qty) != 2) return auction;
setBid(auction, bid, qty, snipe, fire_bid);
fprintf(stderr, "%s "LLU_FMT" bid: %f qty: %d\n", snipe ? "snipeing" : "bidding ", auction->ItemNumber, bid, qty);
return auction;
}
static void lockFile(FILE *fp, bool rw, bool lock)
{
struct flock tmp;
tmp.l_type = lock ? rw ? F_WRLCK : F_RDLCK : F_UNLCK;
tmp.l_whence = SEEK_SET;
tmp.l_start = 0;
tmp.l_len = 0;
fcntl(fileno(fp), F_SETLKW, &tmp);
}
/*
* Adds items from the file "~/.bidwatcher/item.add" to bidwatcher.
* Places bids/snipes if required.
*
* Syntax: a continuous stream of the following command
* "ebay-id" adds an item
* "add ebay-id" adds an item
* "bid ebay-id amount quantity" bids for an item
* "snipe ebay-id amount quantity" snipes for an item
*
* Example:
* 568880089
* add 568880010
* bid 568888888 10.51 1
* snipe 568888777 12.11 1
*
* I use this to remotely control my bidwatcher via email-filters.
*/
void addItemsFromFile(const char *subdir, volatile bool &up_in_prog)
{
class AutoFp {
FILE *fp;
public:
AutoFp(FILE *fp, bool rw): fp(fp) {
if(!fp) return;
lockFile(fp, rw, true);
}
~AutoFp() {
if(!fp) return;
fflush(fp);
lockFile(fp, false, false);
fclose(fp);
}
operator FILE*() const { return fp; }
FILE* operator->() const { return fp; }
};
class AutoFlag {
volatile bool &up_in_prog;
public:
AutoFlag(volatile bool &up_in_prog): up_in_prog(up_in_prog) { up_in_prog = true; }
~AutoFlag() { up_in_prog = false;}
};
if(up_in_prog) return;
AutoFlag a_flag(up_in_prog);
if(interfereWithSnipe()) return;
char file[256];
configFileName(file, subdir, "item.add");
AutoFp fp(fopen(file, "r+"), true);
if(!fp) return;
char buffer1[20];
char buffer2[20];
char *rd = buffer1;
char *act = buffer2;
const char *def_action = "add";
strcpy(act, def_action);
while(fscanf(fp, "%19s", rd) == 1) {
if(interfereWithSnipe()) return;
unsigned long long id;
if(sscanf(rd, LLU_FMT, &id) != 1) {
char *tmp = rd;
rd = act;
act = tmp;
continue;
}
up_in_prog = false;
if(strcmp(act, "add") == 0) {
fprintf(stderr, "adding "LLU_FMT"\n", id);
addNewItem(id);
} else if(strcmp(act, "bid") == 0) {
setBid(addNewItem(id), fp, false, true);
} else if(strcmp(act, "snipe") == 0) {
setBid(addNewItem(id), fp, true, false);
} else {
fprintf(stderr, "ignoring %s "LLU_FMT"\n", act, id);
}
up_in_prog = true;
strcpy(act, def_action);
}
ftruncate(fileno(fp), 0);
}
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