First code for new balance chart

app/Api/V2/Controllers/Chart/BalanceController.php

@@ -0,0 +1,218 @@
+<?php
+/*
+ * BalanceController.php
+ * Copyright (c) 2023 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace FireflyIII\Api\V2\Controllers\Chart;
+
+use Carbon\Carbon;
+use FireflyIII\Api\V2\Controllers\Controller;
+use FireflyIII\Api\V2\Request\Chart\BalanceChartRequest;
+use FireflyIII\Helpers\Collector\GroupCollectorInterface;
+use FireflyIII\Models\TransactionCurrency;
+use FireflyIII\Models\TransactionType;
+use FireflyIII\Repositories\Administration\Account\AccountRepositoryInterface;
+use FireflyIII\Support\Http\Api\ConvertsExchangeRates;
+use FireflyIII\Support\Http\Api\ExchangeRateConverter;
+use Illuminate\Support\Collection;
+
+/**
+ * Class BalanceController
+ */
+class BalanceController extends Controller
+{
+    use ConvertsExchangeRates;
+
+    private AccountRepositoryInterface $repository;
+
+    /**
+     *
+     */
+    public function __construct()
+    {
+        parent::__construct();
+        $this->middleware(
+            function ($request, $next) {
+                $this->repository = app(AccountRepositoryInterface::class);
+
+                return $next($request);
+            }
+        );
+    }
+
+    /**
+     * The code is practically a duplicate of ReportController::operations.
+     *
+     * Currency is up to the account/transactions in question, but conversion to the default
+     * currency is possible.
+     *
+     *
+     *
+     * @param BalanceChartRequest $request
+     *
+     * @return string
+     */
+    public function balance(BalanceChartRequest $request): string
+    {
+        $params = $request->getAll();
+        /** @var Carbon $start */
+        $start = $params['start'];
+        /** @var Carbon $end */
+        $end = $params['end'];
+        /** @var Collection $accounts */
+        $accounts       = $params['accounts'];
+        $preferredRange = $params['period'];
+        $convert        = $params['convert'];
+
+        // set some formats, based on input parameters.
+        $format      = app('navigation')->preferredCarbonFormatByPeriod($preferredRange);
+        $titleFormat = app('navigation')->preferredCarbonLocalizedFormatByPeriod($preferredRange);
+
+        // prepare for currency conversion and data collection:
+        $ids = $accounts->pluck('id')->toArray();
+        /** @var TransactionCurrency $default */
+        $default    = app('amount')->getDefaultCurrency();
+        $converter  = new ExchangeRateConverter();
+        $currencies = [(int)$default->id => $default,]; // currency cache
+        $data       = [];
+        $chartData  = [];
+
+        // get journals for entire period:
+        /** @var GroupCollectorInterface $collector */
+        $collector = app(GroupCollectorInterface::class);
+        $collector->setRange($start, $end)->withAccountInformation();
+        $collector->setXorAccounts($accounts);
+        $collector->setTypes([TransactionType::WITHDRAWAL, TransactionType::DEPOSIT, TransactionType::RECONCILIATION, TransactionType::TRANSFER]);
+        $journals = $collector->getExtractedJournals();
+
+        // set array for default currency (even if unused later on)
+        $defaultCurrencyId        = (int)$default->id;
+        $data[$defaultCurrencyId] = [
+            'currency_id'             => $defaultCurrencyId,
+            'currency_symbol'         => $default->symbol,
+            'currency_code'           => $default->code,
+            'currency_name'           => $default->name,
+            'currency_decimal_places' => (int)$default->decimal_places,
+        ];
+
+
+        // loop. group by currency and by period.
+        /** @var array $journal */
+        foreach ($journals as $journal) {
+            // format the date according to the period
+            $period = $journal['date']->format($format);
+
+            // collect (and cache) currency information for this journal.
+            $currencyId              = (int)$journal['currency_id'];
+            $currency                = $currencies[$currencyId] ?? TransactionCurrency::find($currencyId);
+            $currencies[$currencyId] = $currency; // may just re-assign itself, don't mind.
+
+            // set the array with monetary info, if it does not exist.
+            $data[$currencyId] = $data[$currencyId] ?? [
+                'currency_id'             => $currencyId,
+                'currency_symbol'         => $currencySymbol,
+                'currency_code'           => $currencyCode,
+                'currency_name'           => $currencyName,
+                'currency_decimal_places' => $currencyDecimalPlaces,
+            ];
+
+            // set the array with spent/earned in this $period, if it does not exist.
+            $data[$currencyId][$period] = $data[$currencyId][$period] ?? [
+                'period'           => $period,
+                'spent'            => '0',
+                'earned'           => '0',
+                'spent_converted'  => '0',
+                'earned_converted' => '0',
+            ];
+            // is this amount in- our outgoing?
+            $key             = 'spent';
+            $amount          = app('steam')->negative($journal['amount']);
+            $amountConverted = $amount;
+            // deposit = incoming
+            // transfer or reconcile or opening balance, and these accounts are the destination.
+            if (
+                TransactionType::DEPOSIT === $journal['transaction_type_type']
+                ||
+
+                (
+                    (
+                        TransactionType::TRANSFER === $journal['transaction_type_type']
+                        || TransactionType::RECONCILIATION === $journal['transaction_type_type']
+                        || TransactionType::OPENING_BALANCE === $journal['transaction_type_type']
+                    )
+                    && in_array($journal['destination_account_id'], $ids, true)
+                )
+            ) {
+                $key             = 'earned';
+                $amount          = app('steam')->positive($journal['amount']);
+                $amountConverted = $amount;
+            }
+            // if configured convert the amount, convert the amount to $default
+            if ($convert) {
+                $rate            = $converter->getCurrencyRate($currency, $default, $journal['date']);
+                $amountConverted = bcmul($amount, $rate);
+            }
+
+            $data[$currencyId][$period][$key]          = bcadd($data[$currencyId][$period][$key], $amount);
+            $convertedKey                              = sprintf('%s_converted', $key);
+            $data[$currencyId][$period][$convertedKey] = bcadd($data[$currencyId][$period][$convertedKey], $amountConverted);
+        }
+
+        // loop this data, make chart bars for each currency:
+        /** @var array $currency */
+        foreach ($data as $currency) {
+            $income  = [
+                'label'             => 'earned',
+                'currency_id'       => $currency['currency_id'],
+                'currency_symbol'   => $currency['currency_symbol'],
+                'currency_code'     => $currency['currency_code'],
+                'entries'           => [],
+                'converted_entries' => [],
+            ];
+            $expense = [
+                'label'             => 'spent',
+                'currency_id'       => $currency['currency_id'],
+                'currency_symbol'   => $currency['currency_symbol'],
+                'currency_code'     => $currency['currency_code'],
+                'entries'           => [],
+                'converted_entries' => [],
+
+            ];
+            // loop all possible periods between $start and $end, and add them to the correct dataset.
+            $currentStart = clone $start;
+            while ($currentStart <= $end) {
+                $key                        = $currentStart->format($format);
+                $title                      = $currentStart->isoFormat($titleFormat);
+                $income['entries'][$title]  = app('steam')->bcround(($currency[$key]['earned'] ?? '0'), $currency['currency_decimal_places']);
+                $expense['entries'][$title] = app('steam')->bcround(($currency[$key]['spent'] ?? '0'), $currency['currency_decimal_places']);
+                $currentStart               = app('navigation')->addPeriod($currentStart, $preferredRange, 0);
+            }
+
+            $chartData[] = $income;
+            $chartData[] = $expense;
+        }
+        var_dump($chartData);
+        exit;
+
+        //$data = $this->generator->multiSet($chartData);
+
+        return response()->json($data);
+    }
+
+}

app/Api/V2/Request/Chart/BalanceChartRequest.php

@@ -0,0 +1,87 @@
+<?php
+/*
+ * BalanceChartRequest.php
+ * Copyright (c) 2023 james@firefly-iii.org
+ *
+ * This file is part of Firefly III (https://github.com/firefly-iii).
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+namespace FireflyIII\Api\V2\Request\Chart;
+
+use FireflyIII\Support\Request\ChecksLogin;
+use FireflyIII\Support\Request\ConvertsDataTypes;
+use Illuminate\Foundation\Http\FormRequest;
+use Illuminate\Validation\Validator;
+
+class BalanceChartRequest extends FormRequest
+{
+    use ConvertsDataTypes;
+    use ChecksLogin;
+
+    /**
+     * Get all data from the request.
+     *
+     * @return array
+     */
+    public function getAll(): array
+    {
+        return [
+            'start'    => $this->getCarbonDate('start'),
+            'end'      => $this->getCarbonDate('end'),
+            'accounts' => $this->getAccountList(),
+            'convert'  => $this->boolean('convert'),
+            'period'   => $this->string('period'),
+        ];
+    }
+
+    /**
+     * The rules that the incoming request must be matched against.
+     *
+     * @return array
+     */
+    public function rules(): array
+    {
+        return [
+            'start'      => 'required|date|after:1900-01-01|before:2099-12-31',
+            'end'        => 'required|date|after_or_equal:start|before:2099-12-31|after:1900-01-01',
+            'convert'    => 'nullable|between:0,1|numeric',
+            'accounts.*' => 'required|exists:accounts,id',
+            'period'     => sprintf('required|in:%s', join(',', config('firefly.valid_view_ranges'))),
+        ];
+    }
+
+    /**
+     * @param Validator $validator
+     *
+     * @return void
+     */
+    public function withValidator(Validator $validator): void
+    {
+        $validator->after(
+            function (Validator $validator) {
+                // validate transaction query data.
+                $data = $validator->getData();
+                if (!array_key_exists('accounts', $data)) {
+                    $validator->errors()->add('accounts', trans('validation.filled', ['attribute' => 'accounts']));
+                    return;
+                }
+                if (!is_array($data['accounts'])) {
+                    $validator->errors()->add('accounts', trans('validation.filled', ['attribute' => 'accounts']));
+                }
+            }
+        );
+    }
+}

app/Repositories/Administration/Account/AccountRepository.php

@@ -39,82 +39,6 @@ class AccountRepository implements AccountRepositoryInterface
 {
     use AdministrationTrait;
 
-
-    /**
-     * @inheritDoc
-     */
-    public function searchAccount(string $query, array $types, int $limit): Collection
-    {
-        // search by group, not by user
-        $dbQuery = $this->userGroup->accounts()
-            ->where('active', true)
-            ->orderBy('accounts.order', 'ASC')
-            ->orderBy('accounts.account_type_id', 'ASC')
-            ->orderBy('accounts.name', 'ASC')
-            ->with(['accountType']);
-        if ('' !== $query) {
-            // split query on spaces just in case:
-            $parts = explode(' ', $query);
-            foreach ($parts as $part) {
-                $search = sprintf('%%%s%%', $part);
-                $dbQuery->where('name', 'LIKE', $search);
-            }
-        }
-        if (0 !== count($types)) {
-            $dbQuery->leftJoin('account_types', 'accounts.account_type_id', '=', 'account_types.id');
-            $dbQuery->whereIn('account_types.type', $types);
-        }
-
-        return $dbQuery->take($limit)->get(['accounts.*']);
-    }
-
-    /**
-     * @inheritDoc
-     */
-    public function getAccountsByType(array $types, ?array $sort = []): Collection
-    {
-        $res = array_intersect([AccountType::ASSET, AccountType::MORTGAGE, AccountType::LOAN, AccountType::DEBT], $types);
-        $query = $this->userGroup->accounts();
-        if (0 !== count($types)) {
-            $query->accountTypeIn($types);
-        }
-
-        // add sort parameters. At this point they're filtered to allowed fields to sort by:
-        if (0 !== count($sort)) {
-            foreach ($sort as $param) {
-                $query->orderBy($param[0], $param[1]);
-            }
-        }
-
-        if (0 === count($sort)) {
-            if (0 !== count($res)) {
-                $query->orderBy('accounts.order', 'ASC');
-            }
-            $query->orderBy('accounts.active', 'DESC');
-            $query->orderBy('accounts.name', 'ASC');
-        }
-        return $query->get(['accounts.*']);
-    }
-
-    /**
-     * @param array $accountIds
-     *
-     * @return Collection
-     */
-    public function getAccountsById(array $accountIds): Collection
-    {
-        $query = $this->userGroup->accounts();
-
-        if (0 !== count($accountIds)) {
-            $query->whereIn('accounts.id', $accountIds);
-        }
-        $query->orderBy('accounts.order', 'ASC');
-        $query->orderBy('accounts.active', 'DESC');
-        $query->orderBy('accounts.name', 'ASC');
-
-        return $query->get(['accounts.*']);
-    }
-
     /**
      * @param Account $account
      *
@@ -141,7 +65,7 @@ class AccountRepository implements AccountRepositoryInterface
      * Return meta value for account. Null if not found.
      *
      * @param Account $account
-     * @param string $field
+     * @param string  $field
      *
      * @return null|string
      */
@@ -161,4 +85,93 @@ class AccountRepository implements AccountRepositoryInterface
 
         return null;
     }
+
+    /**
+     * @param int $accountId
+     *
+     * @return Account|null
+     */
+    public function find(int $accountId): ?Account
+    {
+        $account = $this->user->accounts()->find($accountId);
+        if (null === $account) {
+            $account = $this->userGroup->accounts()->find($accountId);
+        }
+        return $account;
+    }
+
+    /**
+     * @param array $accountIds
+     *
+     * @return Collection
+     */
+    public function getAccountsById(array $accountIds): Collection
+    {
+        $query = $this->userGroup->accounts();
+
+        if (0 !== count($accountIds)) {
+            $query->whereIn('accounts.id', $accountIds);
+        }
+        $query->orderBy('accounts.order', 'ASC');
+        $query->orderBy('accounts.active', 'DESC');
+        $query->orderBy('accounts.name', 'ASC');
+
+        return $query->get(['accounts.*']);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function getAccountsByType(array $types, ?array $sort = []): Collection
+    {
+        $res   = array_intersect([AccountType::ASSET, AccountType::MORTGAGE, AccountType::LOAN, AccountType::DEBT], $types);
+        $query = $this->userGroup->accounts();
+        if (0 !== count($types)) {
+            $query->accountTypeIn($types);
+        }
+
+        // add sort parameters. At this point they're filtered to allowed fields to sort by:
+        if (0 !== count($sort)) {
+            foreach ($sort as $param) {
+                $query->orderBy($param[0], $param[1]);
+            }
+        }
+
+        if (0 === count($sort)) {
+            if (0 !== count($res)) {
+                $query->orderBy('accounts.order', 'ASC');
+            }
+            $query->orderBy('accounts.active', 'DESC');
+            $query->orderBy('accounts.name', 'ASC');
+        }
+        return $query->get(['accounts.*']);
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function searchAccount(string $query, array $types, int $limit): Collection
+    {
+        // search by group, not by user
+        $dbQuery = $this->userGroup->accounts()
+                                   ->where('active', true)
+                                   ->orderBy('accounts.order', 'ASC')
+                                   ->orderBy('accounts.account_type_id', 'ASC')
+                                   ->orderBy('accounts.name', 'ASC')
+                                   ->with(['accountType']);
+        if ('' !== $query) {
+            // split query on spaces just in case:
+            $parts = explode(' ', $query);
+            foreach ($parts as $part) {
+                $search = sprintf('%%%s%%', $part);
+                $dbQuery->where('name', 'LIKE', $search);
+            }
+        }
+        if (0 !== count($types)) {
+            $dbQuery->leftJoin('account_types', 'accounts.account_type_id', '=', 'account_types.id');
+            $dbQuery->whereIn('account_types.type', $types);
+        }
+
+        return $dbQuery->take($limit)->get(['accounts.*']);
+    }
 }

app/Repositories/Administration/Account/AccountRepositoryInterface.php

@@ -35,28 +35,11 @@ use Illuminate\Support\Collection;
 interface AccountRepositoryInterface
 {
     /**
-     * @param string $query
-     * @param array $types
-     * @param int $limit
+     * @param int $accountId
      *
-     * @return Collection
+     * @return Account|null
      */
-    public function searchAccount(string $query, array $types, int $limit): Collection;
-
-    /**
-     * @param array $types
-     * @param array|null $sort
-     *
-     * @return Collection
-     */
-    public function getAccountsByType(array $types, ?array $sort = []): Collection;
-
-    /**
-     * @param array $accountIds
-     *
-     * @return Collection
-     */
-    public function getAccountsById(array $accountIds): Collection;
+    public function find(int $accountId): ?Account;
 
     /**
      * @param Account $account
@@ -65,13 +48,38 @@ interface AccountRepositoryInterface
      */
     public function getAccountCurrency(Account $account): ?TransactionCurrency;
 
+    /**
+     * @param array $accountIds
+     *
+     * @return Collection
+     */
+    public function getAccountsById(array $accountIds): Collection;
+
+    /**
+     * @param array      $types
+     * @param array|null $sort
+     *
+     * @return Collection
+     */
+    public function getAccountsByType(array $types, ?array $sort = []): Collection;
+
     /**
      * Return meta value for account. Null if not found.
      *
      * @param Account $account
-     * @param string $field
+     * @param string  $field
      *
      * @return null|string
      */
     public function getMetaValue(Account $account, string $field): ?string;
+
+    /**
+     * @param string $query
+     * @param array  $types
+     * @param int    $limit
+     *
+     * @return Collection
+     */
+    public function searchAccount(string $query, array $types, int $limit): Collection;
+
 }

app/Support/Navigation.php

@@ -89,10 +89,10 @@ class Navigation
 
         if (!array_key_exists($repeatFreq, $functionMap)) {
             Log::error(sprintf(
-                'The periodicity %s is unknown. Choose one of available periodicity: %s',
-                $repeatFreq,
-                join(', ', array_keys($functionMap))
-            ));
+                           'The periodicity %s is unknown. Choose one of available periodicity: %s',
+                           $repeatFreq,
+                           join(', ', array_keys($functionMap))
+                       ));
             return $theDate;
         }
 
@@ -515,6 +515,25 @@ class Navigation
         return $date->format('Y-m-d');
     }
 
+    /**
+     * Same as preferredCarbonFormat but by string
+     *
+     * @param string $period
+     *
+     * @return string
+     */
+    public function preferredCarbonFormatByPeriod(string $period): string
+    {
+        return match ($period) {
+            default    => 'Y-m-d',
+            //'1D'    => 'Y-m-d',
+            '1W'       => '\WW,Y',
+            '1M'       => 'Y-m',
+            '3M', '6M' => '\QQ,Y',
+            '1Y'       => 'Y',
+        };
+    }
+
     /**
      * If the date difference between start and end is less than a month, method returns trans(config.month_and_day).
      * If the difference is less than a year, method returns "config.month". If the date difference is larger, method
@@ -540,6 +559,25 @@ class Navigation
         return $format;
     }
 
+    /**
+     * Same as preferredCarbonLocalizedFormat but based on the period.
+     *
+     * @param string $period
+     *
+     * @return string
+     */
+    public function preferredCarbonLocalizedFormatByPeriod(string $period): string
+    {
+        $locale = app('steam')->getLocale();
+        return match ($period) {
+            default    => (string)trans('config.month_and_day_js', [], $locale),
+            '1W'       => (string)trans('config.week_in_year_js', [], $locale),
+            '1M'       => (string)trans('config.month_js', [], $locale),
+            '3M', '6M' => (string)trans('config.half_year_js', [], $locale),
+            '1Y'       => (string)trans('config.year_js', [], $locale),
+        };
+    }
+
     /**
      * If the date difference between start and end is less than a month, method returns "endOfDay". If the difference
      * is less than a year, method returns "endOfMonth". If the date difference is larger, method returns "endOfYear".

app/Support/Request/ConvertsDataTypes.php

@@ -26,6 +26,8 @@ namespace FireflyIII\Support\Request;
 use Carbon\Carbon;
 use Carbon\Exceptions\InvalidDateException;
 use Carbon\Exceptions\InvalidFormatException;
+use FireflyIII\Repositories\Administration\Account\AccountRepositoryInterface;
+use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Log;
 
 /**
@@ -153,6 +155,38 @@ trait ConvertsDataTypes
         return trim($string);
     }
 
+    /**
+     * TODO duplicate, see SelectTransactionsRequest
+     *
+     * Validate list of accounts. This one is for V2 endpoints, so it searches for groups, not users.
+     *
+     * @return Collection
+     */
+    public function getAccountList(): Collection
+    {
+        // fixed
+        /** @var AccountRepositoryInterface $repository */
+        $repository = app(AccountRepositoryInterface::class);
+
+        // set administration ID
+        // group ID
+        $administrationId = auth()->user()->getAdministrationId();
+        $repository->setAdministrationId($administrationId);
+
+        $set        = $this->get('accounts');
+        $collection = new Collection();
+        if (is_array($set)) {
+            foreach ($set as $accountId) {
+                $account = $repository->find((int)$accountId);
+                if (null !== $account) {
+                    $collection->push($account);
+                }
+            }
+        }
+
+        return $collection;
+    }
+
     /**
      * Return string value with newlines.
      *

routes/api.php

@@ -87,7 +87,8 @@ Route::group(
         'as'        => 'api.v1.chart.',
     ],
     static function () {
-        Route::get('account/dashboard', ['uses' => 'AccountController@dashboard', 'as' => 'dashboard']);
+        Route::get('account/dashboard', ['uses' => 'AccountController@dashboard', 'as' => 'account.dashboard']);
+        Route::get('balance/balance', ['uses' => 'BalanceController@balance', 'as' => 'balance.balance']);
     }
 );