Moved some stuff around.

app/lib/FireflyIII/Database/Ifaces/AccountInterface.php

@@ -0,0 +1,109 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+
+use Illuminate\Support\Collection;
+
+/**
+ * Interface AccountInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface AccountInterface
+{
+
+    /**
+     * Get all asset accounts. The parameters are optional and are provided by the DataTables plugin.
+     *
+     * @param array $parameters
+     *
+     * @return Collection
+     */
+    public function getAssetAccounts(array $parameters = []);
+
+    /**
+     * Counts the number of total asset accounts. Useful for DataTables.
+     *
+     * @return int
+     */
+    public function countAssetAccounts();
+
+    /**
+     * Counts the number of total expense accounts. Useful for DataTables.
+     *
+     * @return int
+     */
+    public function countExpenseAccounts();
+
+    /**
+     * Counts the number of total revenue accounts. Useful for DataTables.
+     *
+     * @return int
+     */
+    public function countRevenueAccounts();
+
+    /**
+     * @param array $parameters
+     *
+     * @return Collection
+     */
+
+    /**
+     * @param \Account $account
+     *
+     * @return \Account|null
+     */
+    public function findInitialBalanceAccount(\Account $account);
+
+    public function getExpenseAccounts(array $parameters = []);
+
+    /**
+     * Get all revenue accounts.
+     *
+     * @param array $parameters
+     *
+     * @return Collection
+     */
+    public function getRevenueAccounts(array $parameters = []);
+
+    /**
+     * Get all accounts of the selected types. Is also capable of handling DataTables' parameters.
+     *
+     * @param array $types
+     * @param array $parameters
+     *
+     * @return Collection
+     */
+    public function getAccountsByType(array $types, array $parameters = []);
+
+    /**
+     * Counts the number of accounts found with the included types.
+     *
+     * @param array $types
+     *
+     * @return int
+     */
+    public function countAccountsByType(array $types);
+
+    /**
+     * Get all default accounts.
+     *
+     * @return Collection
+     */
+    public function getDefaultAccounts();
+
+    /**
+     * @param \Account $account
+     *
+     * @return \TransactionJournal|null
+     */
+    public function openingBalanceTransaction(\Account $account);
+
+    /**
+     * @param \Account $account
+     * @param array $data
+     *
+     * @return bool
+     */
+    public function storeInitialBalance(\Account $account, array $data);
+} 

app/lib/FireflyIII/Database/Ifaces/AccountTypeInterface.php

@@ -0,0 +1,13 @@
+<?php
+namespace FireflyIII\Database\Ifaces;
+
+/**
+ * Interface AccountTypeInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface AccountTypeInterface
+{
+
+
+} 

app/lib/FireflyIII/Database/Ifaces/BudgetInterface.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+
+use Carbon\Carbon;
+use Illuminate\Support\Collection;
+
+/**
+ * Interface BudgetInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface BudgetInterface
+{
+    /**
+     * @param \Budget $budget
+     * @param Carbon $date
+     *
+     * @return \LimitRepetition|null
+     */
+    public function repetitionOnStartingOnDate(\Budget $budget, Carbon $date);
+
+    /**
+     * @param Carbon $start
+     * @param Carbon $end
+     *
+     * @return Collection
+     */
+    public function transactionsWithoutBudgetInDateRange(Carbon $start, Carbon $end);
+
+} 

app/lib/FireflyIII/Database/Ifaces/CUD.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+use Illuminate\Support\MessageBag;
+use LaravelBook\Ardent\Ardent;
+
+/**
+ * Interface CUD
+ * @package FireflyIII\Database
+ */
+interface CUD
+{
+
+    /**
+     * @param Ardent $model
+     *
+     * @return bool
+     */
+    public function destroy(Ardent $model);
+
+
+    /**
+     * Validates a model. Returns an array containing MessageBags
+     * errors/warnings/successes.
+     *
+     * @param Ardent $model
+     *
+     * @return array
+     */
+    public function validateObject(Ardent $model);
+
+    /**
+     * Validates an array. Returns an array containing MessageBags
+     * errors/warnings/successes.
+     *
+     * @param array $model
+     *
+     * @return array
+     */
+    public function validate(array $model);
+
+    /**
+     * @param array $data
+     *
+     * @return Ardent
+     */
+    public function store(array $data);
+
+} 

app/lib/FireflyIII/Database/Ifaces/CategoryInterface.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+
+use Carbon\Carbon;
+use Illuminate\Support\Collection;
+
+/**
+ * Interface CategoryInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface CategoryInterface
+{
+
+} 

app/lib/FireflyIII/Database/Ifaces/CommonDatabaseCalls.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+
+use Illuminate\Support\Collection;
+use LaravelBook\Ardent\Ardent;
+
+
+/**
+ * Interface CommonDatabaseCalls
+ *
+ * @package FireflyIII\Database
+ */
+interface CommonDatabaseCalls
+{
+    /**
+     * Returns an object with id $id.
+     *
+     * @param int $id
+     *
+     * @return Ardent
+     */
+    public function find($id);
+
+    /**
+     * Returns all objects.
+     *
+     * @return Collection
+     */
+    public function get();
+
+
+    /**
+     * @param array $ids
+     *
+     * @return Collection
+     */
+    public function getByIds(array $ids);
+
+    /**
+     * Finds an account type using one of the "$what"'s: expense, asset, revenue, opening, etc.
+     *
+     * @param $what
+     *
+     * @return \AccountType|null
+     */
+    public function findByWhat($what);
+
+}

app/lib/FireflyIII/Database/Ifaces/RecurringInterface.php

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+<?php
+
+namespace FireflyIII\Database\Ifaces;
+use Carbon\Carbon;
+
+/**
+ * Interface RecurringInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface RecurringInterface
+{
+    /**
+     * @param \RecurringTransaction $recurring
+     * @param Carbon                $current
+     * @param Carbon                $currentEnd
+     *
+     * @return \TransactionJournal|null
+     */
+    public function getJournalForRecurringInRange(\RecurringTransaction $recurring, Carbon $start, Carbon $end);
+
+} 

app/lib/FireflyIII/Database/Ifaces/TransactionCurrencyInterface.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+
+
+/**
+ * Interface TransactionTypeInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface TransactionCurrencyInterface
+{
+    /**
+     * @param string $code
+     *
+     * @return \TransactionCurrency|null
+     */
+    public function findByCode($code);
+
+} 

app/lib/FireflyIII/Database/Ifaces/TransactionInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+
+
+/**
+ * Interface TransactionInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface TransactionInterface
+{
+
+} 

app/lib/FireflyIII/Database/Ifaces/TransactionJournalInterface.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+use Carbon\Carbon;
+use Illuminate\Support\Collection;
+
+/**
+ * Interface TransactionJournalInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface TransactionJournalInterface
+{
+    /**
+     * @param Carbon $start
+     * @param Carbon $end
+     *
+     * @return Collection
+     */
+    public function getInDateRange(Carbon $start, Carbon $end);
+
+} 

app/lib/FireflyIII/Database/Ifaces/TransactionTypeInterface.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace FireflyIII\Database\Ifaces;
+
+
+/**
+ * Interface TransactionTypeInterface
+ *
+ * @package FireflyIII\Database
+ */
+interface TransactionTypeInterface
+{
+
+}