/**
* The transaction performs a transfer of the amount from a submitter to a recipient. This is the
* same as performing a contribution of the submitter and then a payout to the recipient.
*
* @param sender the name of the participant who lost the amount
* @param amount the amount of the transfer
* @param comment a <code>String</code> to make the transaction recognizable
* @param recipient the name of the participant who got the amount
* @return the entry id of the transaction or -1 in case the transaction failed or -2 if the
* transaction violates the 'no negative total' rule
*/
public int performTransfer(String sender, double amount, String comment, String recipient) {
boolean internal = isInternal(sender);
if (internal) {
if (breaksDebtLimit(amount)) return -2;
}
int transactionCode = 2;
int flags = composeFlags(transactionCode, false);
int entryId = addEntry(sender, amount, currency, comment, flags);
if (entryId < 0) return -1;
flags = composeFlags(transactionCode, sender.equals(recipient));
long rowId =
addRecord(entryId, recipient, -amount, currency, Helper.timestampNow(), comment, flags);
if (rowId < 0) {
removeEntry(entryId);
return -1;
}
Log.i(
TAG,
String.format(
"entry %d: %s transfer %f %s for '%s' to %s",
entryId, sender, amount, currency, comment, recipient));
return entryId;
}
/**
* The transaction registers multiple submissions. This transaction as a whole is not allowed if
* it causes a negative total.
*
* @param deals a <code>ShareMap</code> containing the deals of participants involved
* @param comment a <code>String</code> to make the transactions recognizable
* @return the entry id of the transaction or -1 in case the transaction failed or -2 if the
* transactions in the sum violate the 'no negative total' rule
*/
public int performMultiple(ShareMap deals, String comment) {
if (breaksDebtLimit(-deals.sum())) return -2;
int transactionCode = 4;
int flags = composeFlags(transactionCode, false);
int entryId = getNewEntryId();
if (entryId > -1) {
for (Map.Entry<String, Double> share : deals.rawMap.entrySet())
if (addRecord(
entryId,
share.getKey(),
share.getValue(),
currency,
Helper.timestampNow(),
comment,
flags)
< 0) {
removeEntry(entryId);
return -1;
}
Log.i(
TAG,
String.format("entry %d: '%s' submissions : %s", entryId, comment, deals.toString()));
}
return entryId;
}
/**
* The transaction registers the negated sum of the shares as an expense by a group of
* contributors. Additionally all the shares in the map are registered with the same entry id.
* Those names in the deals map that are empty <code>String</code> trigger transfers of internal
* amounts. Such an internal transfer is not allowed if the transaction causes a negative total.
*
* @param deals the names of the contributors and their contributions who expended an amount
* matching the negated sum of the deals
* @param comment a <code>String</code> to make the transaction recognizable
* @param shares a <code>ShareMap</code> containing the shares of participants involved
* @return the entry id of the transaction or a negative value in case the transaction failed
*/
public int performComplexExpense(ShareMap deals, String comment, ShareMap shares) {
int entryId = -1;
int transactionCode = 3;
int flags = composeFlags(transactionCode, true);
double amount = deals.sum();
if (Math.abs(amount + shares.sum()) < ShareUtil.delta) {
if (deals.option != null)
switch (deals.option) {
default:
setDebtLimit(1000. * deals.option);
break;
}
if (deals.rawMap.containsKey(kitty))
entryId = performTransfer(kitty, -deals.rawMap.get(kitty), comment, kitty);
else entryId = getNewEntryId();
Collection<String> dealers = ShareUtil.filter(deals.rawMap.keySet(), true, ShareUtil.isKitty);
for (String name : dealers) {
long rowId =
addRecord(
entryId,
name,
deals.rawMap.get(name),
currency,
Helper.timestampNow(),
comment,
flags);
if (rowId < 0) {
entryId = -1;
break;
}
}
} else
Log.w(
TAG,
String.format(
"the sum of the deals (%f) for '%s' doesn't match the sum of the shares (%f)",
amount, comment, shares.sum()));
if (entryId > -1) {
if (allocate(flags, entryId, shares.rawMap)) {
Log.i(
TAG,
String.format(
"entry %d: %s expended %f %s for '%s' shared by %s",
entryId, deals.toString(), Math.abs(amount), currency, comment, shares.toString()));
} else {
removeEntry(entryId);
entryId = -1;
}
}
if (entryId < 0) removeEntry(entryId);
return entryId;
}
/** @hide */
public int addEntry(String name, double amount, String currency, String comment, int flags) {
int entryId = getNewEntryId();
long rowId = addRecord(entryId, name, amount, currency, Helper.timestampNow(), comment, flags);
if (rowId < 0) {
removeEntry(entryId);
entryId = -1;
}
return entryId;
}
