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Various code for currency exchange rate support

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This commit is contained in:
James Cole
2022-06-06 14:40:19 +02:00
parent 9c08b9f1d3
commit d007db166a
24 changed files with 987 additions and 188 deletions
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97
app/Repositories/Budget/BudgetRepository.php
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@@ -39,6 +39,7 @@ use FireflyIII\Services\Internal\Destroy\BudgetDestroyService;
use FireflyIII\User;
use Illuminate\Database\QueryException;
use Illuminate\Support\Collection;
use JsonException;
use Log;
use Storage;
@@ -80,6 +81,60 @@ class BudgetRepository implements BudgetRepositoryInterface
return $search->take($limit)->get();
}
/**
* @inheritDoc
*/
public function budgetedInPeriod(Carbon $start, Carbon $end): array
{
Log::debug(sprintf('Now in budgetedInPeriod("%s", "%s")', $start->format('Y-m-d'), $end->format('Y-m-d')));
$return = [];
/** @var BudgetLimitRepository $limitRepository */
$limitRepository = app(BudgetLimitRepository::class);
$limitRepository->setUser($this->user);
$budgets = $this->getActiveBudgets();
/** @var Budget $budget */
foreach ($budgets as $budget) {
Log::debug(sprintf('Budget #%d: "%s"', $budget->id, $budget->name));
$limits = $limitRepository->getBudgetLimits($budget, $start, $end);
/** @var BudgetLimit $limit */
foreach ($limits as $limit) {
Log::debug(sprintf('Budget limit #%d', $limit->id));
$currency = $limit->transactionCurrency;
$return[$currency->id] = $return[$currency->id] ?? [
'id' => (string) $currency->id,
'name' => $currency->name,
'symbol' => $currency->symbol,
'code' => $currency->code,
'decimal_places' => $currency->decimal_places,
'sum' => '0',
];
// same period
if ($limit->start_date->isSameDay($start) && $limit->end_date->isSameDay($end)) {
$return[$currency->id]['sum'] = bcadd($return[$currency->id]['sum'], (string) $limit->amount);
Log::debug(sprintf('Add full amount [1]: %s', $limit->amount));
continue;
}
// limit is inside of date range
if ($start->lte($limit->start_date) && $end->gte($limit->end_date)) {
$return[$currency->id]['sum'] = bcadd($return[$currency->id]['sum'], (string) $limit->amount);
Log::debug(sprintf('Add full amount [2]: %s', $limit->amount));
continue;
}
$total = $limit->start_date->diffInDays($limit->end_date) + 1; // include the day itself.
$days = $this->daysInOverlap($limit, $start, $end);
$amount = bcmul(bcdiv((string) $limit->amount, (string) $total), (string) $days);
$return[$currency->id]['sum'] = bcadd($return[$currency->id]['sum'], $amount);
Log::debug(sprintf('Amount per day: %s (%s over %d days). Total amount for %d days: %s',
bcdiv((string) $limit->amount, (string) $total),
$limit->amount,
$total,
$days,
$amount));
}
}
return $return;
}
/**
* @return bool
*/
@@ -335,7 +390,7 @@ class BudgetRepository implements BudgetRepositoryInterface
*
* @return Budget
* @throws FireflyException
* @throws \JsonException
* @throws JsonException
*/
public function store(array $data): Budget
{
@@ -551,7 +606,7 @@ class BudgetRepository implements BudgetRepositoryInterface
* @param Budget $budget
* @param array $data
* @throws FireflyException
* @throws \JsonException
* @throws JsonException
*/
private function updateAutoBudget(Budget $budget, array $data): void
{
@@ -597,4 +652,42 @@ class BudgetRepository implements BudgetRepositoryInterface
$autoBudget->save();
}
/**
* How many days of this budget limit are between start and end?
*
* @param BudgetLimit $limit
* @param Carbon $start
* @param Carbon $end
* @return int
*/
private function daysInOverlap(BudgetLimit $limit, Carbon $start, Carbon $end): int
{
// start1 = $start
// start2 = $limit->start_date
// start1 = $end
// start2 = $limit->end_date
// limit is larger than start and end (inclusive)
// |-----------|
// |----------------|
if ($start->gte($limit->start_date) && $end->lte($limit->end_date)) {
return $start->diffInDays($end) + 1; // add one day
}
// limit starts earlier and limit ends first:
// |-----------|
// |-------|
if ($limit->start_date->lte($start) && $limit->end_date->lte($end)) {
// return days in the range $start-$limit_end
return $start->diffInDays($limit->end_date) + 1; // add one day, the day itself
}
// limit starts later and limit ends earlier
// |-----------|
// |-------|
if ($limit->start_date->gte($start) && $limit->end_date->gte($end)) {
// return days in the range $limit_start - $end
return $limit->start_date->diffInDays($end) + 1; // add one day, the day itself
}
return 0;
}
}