Slowly move away from using the raw 'transactions.amount' field.

app/Models/TransactionJournal.php

@@ -223,6 +223,21 @@ class TransactionJournal extends Model
         return $value;
     }
 
+    /**
+     * @return Account
+     */
+    public function getDestinationAccountAttribute()
+    {
+        /** @var Transaction $transaction */
+        foreach ($this->transactions()->get() as $transaction) {
+            if (floatval($transaction->amount) > 0) {
+                return $transaction->account;
+            }
+        }
+
+        return $this->transactions()->first()->account;
+    }
+
     /**
      * @codeCoverageIgnore
      * @return \Illuminate\Database\Eloquent\Relations\HasMany
@@ -273,24 +288,6 @@ class TransactionJournal extends Model
         return $query->where('transaction_journals.date', '<=', $date->format('Y-m-d 00:00:00'));
     }
 
-    /**
-     * @codeCoverageIgnore
-     *
-     * @param EloquentBuilder $query
-     * @param                 $amount
-     */
-    public function scopeLessThan(EloquentBuilder $query, $amount)
-    {
-        if (is_null($this->joinedTransactions)) {
-            $query->leftJoin(
-                'transactions', 'transactions.transaction_journal_id', '=', 'transaction_journals.id'
-            );
-            $this->joinedTransactions = true;
-        }
-
-        $query->where('transactions.amount', '<=', $amount);
-    }
-
     /**
      * @codeCoverageIgnore
      *
@@ -304,24 +301,6 @@ class TransactionJournal extends Model
         return $query->where('date', '=', $date->format('Y-m-d'));
     }
 
-    /**
-     * Returns the account to which the money was moved.
-     *
-     * @codeCoverageIgnore
-     *
-     * @param EloquentBuilder $query
-     * @param Account         $account
-     */
-    public function scopeToAccountIs(EloquentBuilder $query, Account $account)
-    {
-        $query->leftJoin(
-            'transactions', function (JoinClause $join) {
-            $join->on('transactions.transaction_journal_id', '=', 'transaction_journals.id')->where('transactions.amount', '>', 0);
-        }
-        );
-        $query->where('transactions.account_id', $account->id);
-    }
-
     /**
      * @codeCoverageIgnore
      *

app/Repositories/Account/AccountRepository.php

@@ -287,7 +287,7 @@ class AccountRepository implements AccountRepositoryInterface
      */
     public function getTransfersInRange(Account $account, Carbon $start, Carbon $end)
     {
-        return TransactionJournal::whereIn(
+        $set      = TransactionJournal::whereIn(
             'id', function (Builder $q) use ($account, $start, $end) {
             $q->select('transaction_journals.id')
               ->from('transactions')
@@ -297,11 +297,19 @@ class AccountRepository implements AccountRepositoryInterface
               ->where('transaction_journals.user_id', Auth::user()->id)
               ->where('transaction_journals.date', '>=', $start->format('Y-m-d'))
               ->where('transaction_journals.date', '<=', $end->format('Y-m-d'))
-              ->where('transactions.amount', '>', 0)
               ->where('transaction_types.type', 'Transfer');
 
         }
         )->get();
+        $filtered = $set->filter(
+            function (TransactionJournal $journal) use ($account) {
+                if ($journal->destination_account->id == $account->id) {
+                    return $journal;
+                }
+            }
+        );
+
+        return $filtered;
     }
 
     /**

app/Repositories/Bill/BillRepository.php

@@ -108,16 +108,10 @@ class BillRepository implements BillRepositoryInterface
     public function getJournals(Bill $bill)
     {
         return $bill->transactionjournals()->withRelevantData()
-                    ->leftJoin(
-                        'transactions', function (JoinClause $join) {
-                        $join->on('transactions.transaction_journal_id', '=', 'transaction_journals.id')
-                             ->where('transactions.amount', '>', 0);
-                    }
-                    )
                     ->orderBy('transaction_journals.date', 'DESC')
                     ->orderBy('transaction_journals.order', 'ASC')
                     ->orderBy('transaction_journals.id', 'DESC')
-                    ->get(['transaction_journals.*', 'transactions.amount']);
+                    ->get(['transaction_journals.*']);
     }
 
     /**

app/Repositories/Category/CategoryRepository.php

@@ -201,7 +201,7 @@ class CategoryRepository implements CategoryRepositoryInterface
                             ->before($end)
                             ->after($start)
                             ->transactionTypes(['Withdrawal'])
-                            ->lessThan(0)
+                            ->leftJoin('transactions', 'transactions.transaction_journal_id', '=', 'transaction_journals.id')
                             ->leftJoin('accounts', 'accounts.id', '=', 'transactions.account_id')
                             ->leftJoin(
                                 'account_meta', function (JoinClause $join) {

app/Repositories/Journal/JournalRepository.php

@@ -76,15 +76,19 @@ class JournalRepository implements JournalRepositoryInterface
      */
     public function getAmountBefore(TransactionJournal $journal, Transaction $transaction)
     {
-        return floatval(
-            $transaction->account->transactions()->leftJoin(
-                'transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id'
-            )
-                                 ->where('transaction_journals.date', '<=', $journal->date->format('Y-m-d'))
-                                 ->where('transaction_journals.order', '>=', $journal->order)
-                                 ->where('transaction_journals.id', '!=', $journal->id)
-                                 ->sum('transactions.amount')
-        );
+        $set = $transaction->account->transactions()->leftJoin(
+            'transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id'
+        )
+                                    ->where('transaction_journals.date', '<=', $journal->date->format('Y-m-d'))
+                                    ->where('transaction_journals.order', '>=', $journal->order)
+                                    ->where('transaction_journals.id', '!=', $journal->id)
+            ->get(['transactions.*']);
+        $sum = 0;
+        foreach($set as $entry) {
+            $sum += $entry->amount;
+        }
+        return $sum;
+
     }
 
     /**

app/Repositories/Tag/TagRepository.php

@@ -78,9 +78,13 @@ class TagRepository implements TagRepositoryInterface
 
         /** @var Tag $tag */
         foreach ($tags as $tag) {
-            $transfer = $tag->transactionjournals()->after($start)->before($end)->toAccountIs($account)->transactionTypes(['Transfer'])->first();
-            if ($transfer) {
-                $amount += $transfer->amount;
+            $journals = $tag->transactionjournals()->after($start)->before($end)->transactionTypes(['Transfer'])->get(['transaction_journals.*']);
+
+            /** @var TransactionJournal $journal */
+            foreach ($journals as $journal) {
+                if ($journal->destination_account->id == $account->id) {
+                    $amount += $journal->amount;
+                }
             }
         }
 

app/Support/Steam.php

@@ -34,11 +34,15 @@ class Steam
         $firstDate = is_null($firstDateObject) ? clone $date : new Carbon($firstDateObject->date);
         $date      = $date < $firstDate ? $firstDate : $date;
 
-        $balance = floatval(
-            $account->transactions()->leftJoin(
-                'transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id'
-            )->where('transaction_journals.date', '<=', $date->format('Y-m-d'))->sum('transactions.amount')
-        );
+
+        $set = $account->transactions()->leftJoin(
+            'transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id'
+        )->where('transaction_journals.date', '<=', $date->format('Y-m-d'))->get(['transactions.*']);
+        $balance = 0;
+        foreach($set as $entry) {
+            $balance += $entry->amount;
+        }
+
         if (!$ignoreVirtualBalance) {
             $balance += floatval($account->virtual_balance);
         }

app/Support/Twig/Budget.php

@@ -20,25 +20,6 @@ class Budget extends Twig_Extension
      */
     public function getFunctions()
     {
-        $functions[] = new Twig_SimpleFunction(
-            'spentInRepetition', function (LimitRepetition $repetition) {
-            $sum = DB::table('transactions')
-                     ->leftJoin('transaction_journals', 'transaction_journals.id', '=', 'transactions.transaction_journal_id')
-                     ->leftJoin('budget_transaction_journal', 'budget_transaction_journal.transaction_journal_id', '=', 'transaction_journals.id')
-                     ->leftJoin('budget_limits', 'budget_limits.budget_id', '=', 'budget_transaction_journal.budget_id')
-                     ->leftJoin('limit_repetitions', 'limit_repetitions.budget_limit_id', '=', 'budget_limits.id')
-                     ->where('transaction_journals.date', '>=', $repetition->startdate->format('Y-m-d'))
-                     ->where('transaction_journals.date', '<=', $repetition->enddate->format('Y-m-d'))
-                     ->where('transaction_journals.user_id', Auth::user()->id)
-                     ->whereNull('transactions.deleted_at')
-                     ->where('transactions.amount', '>', 0)
-                     ->where('limit_repetitions.id', '=', $repetition->id)
-                     ->sum('transactions.amount');
-
-            return floatval($sum);
-        }
-        );
-
         $functions[] = new Twig_SimpleFunction(
             'spentInRepetitionCorrected', function (LimitRepetition $repetition) {
             $sum