API

api/common/Alias/DocumentHandler.php

@@ -0,0 +1,6 @@
+<?php
+namespace Contabilidad\Common\Alias;
+
+interface DocumentHandler {
+    public function load(): ?array;
+}

api/common/Concept/DocumentHandler.php

@@ -0,0 +1,11 @@
+<?php
+namespace Contabilidad\Common\Concept;
+
+use Contabilidad\Common\Alias\DocumentHandler as HandlerInterface;
+
+abstract class DocumentHandler implements HandlerInterface {
+    protected string $folder;
+    public function __construct(string $source_folder) {
+        $this->folder = $source_folder;
+    }
+}

api/common/Controller/Base.php

@@ -11,4 +11,17 @@ class Base {
   public function __invoke(Request $request, Response $response): Response {
     return $this->withJson($response, []);
   }
+  public function generate_key(Request $request, Response $response): Response {
+    $server_addr = explode('.', $request->getServerParams()['SERVER_ADDR']);
+    $remote_addr = explode('.', $request->getServerParams()['REMOTE_ADDR']);
+    for ($i = 0; $i < 3; $i ++) {
+      if ($server_addr[$i] != $remote_addr[$i]) {
+        throw new \InvalidArgumentException('Invalid connection address.');
+      }
+    }
+    $salt = mt_rand();
+    $signature = hash_hmac('sha256', $salt, 'contabilidad', true);
+    $key = urlencode(base64_encode($signature));
+    return $this->withJson($response, ['key' => $key]);
+  }
 }

api/common/Controller/Categorias.php

@@ -5,13 +5,34 @@ use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
 use ProVM\Common\Define\Controller\Json;
 use ProVM\Common\Factory\Model as Factory;
+use Contabilidad\Common\Service\TiposCambios as Service;
 use Contabilidad\Categoria;
 
 class Categorias {
   use Json;
 
-  public function __invoke(Request $request, Response $response, Factory $factory): Response {
-    $categorias = $factory->find(Categoria::class)->array();
+  public function __invoke(Request $request, Response $response, Factory $factory, Service $service): Response {
+    $categorias = $factory->find(Categoria::class)->many();
+    array_walk($categorias, function(&$item) use ($service) {
+        $arr = $item->toArray();
+        $arr['cuentas'] = array_map(function($item) {
+            return $item->toArray();
+        }, $item->cuentas());
+        $maps = ['activo', 'pasivo', 'ganancia', 'perdida'];
+        foreach ($maps as $m) {
+            $p = $m . 's';
+            $t = ucfirst($m);
+            $cuentas = $item->getCuentasOf($t);
+            if ($cuentas === false or $cuentas === null) {
+                $arr[$p] = 0;
+                continue;
+            }
+            $arr[$p] = array_reduce($cuentas, function($sum, $item) use($service) {
+                return $sum + $item->saldo($service, true);
+            });
+        }
+        $item = $arr;
+    });
     if ($categorias) {
       usort($categorias, function($a, $b) {
         return strcmp($a['nombre'], $b['nombre']);
@@ -68,14 +89,14 @@ class Categorias {
     ];
     return $this->withJson($response, $output);
   }
-  public function cuentas(Request $request, Response $response, Factory $factory, $categoria_id): Response {
+  public function cuentas(Request $request, Response $response, Factory $factory, Service $service, $categoria_id): Response {
     $categoria = $factory->find(Categoria::class)->one($categoria_id);
     $cuentas = null;
     if ($categoria !== null) {
       $cuentas = $categoria->cuentas();
       if ($cuentas !== null) {
-        array_walk($cuentas, function(&$item) {
-          $item = $item->toArray();
+        array_walk($cuentas, function(&$item) use ($service) {
+          $item = $item->toArray($service);
         });
       }
     }

api/common/Controller/Cuentas.php

@@ -5,6 +5,7 @@ use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
 use ProVM\Common\Define\Controller\Json;
 use ProVM\Common\Factory\Model as Factory;
+use Contabilidad\Common\Service\TiposCambios as Service;
 use Contabilidad\Cuenta;
 
 class Cuentas {
@@ -14,11 +15,15 @@ class Cuentas {
     $cuentas = $factory->find(Cuenta::class)->array();
     if ($cuentas) {
       usort($cuentas, function($a, $b) {
+          $t = strcmp($a['tipo']['descripcion'], $b['tipo']['descripcion']);
+          if ($t != 0) {
+              return $t;
+          }
         $c = strcmp($a['categoria']['nombre'], $b['categoria']['nombre']);
-        if ($c == 0) {
-          return strcmp($a['nombre'], $b['nombre']);
+        if ($c != 0) {
+            return $c;
         }
-        return $c;
+        return strcmp($a['nombre'], $b['nombre']);
       });
     }
     $output = [
@@ -90,15 +95,28 @@ class Cuentas {
     ];
     return $this->withJson($response, $output);
   }
-  public function transacciones(Request $request, Response $response, Factory $factory, $cuenta_id, $limit = null, $start = 0): Response {
+  public function transacciones(Request $request, Response $response, Factory $factory, Service $service, $cuenta_id, $limit = null, $start = 0): Response {
     $cuenta = $factory->find(Cuenta::class)->one($cuenta_id);
     $transacciones = null;
     if ($cuenta !== null) {
       $transacciones = $cuenta->transacciones($limit, $start);
-      if (count($transacciones)) {
-        array_walk($transacciones, function(&$item) {
-          $item = $item->toArray();
-        });
+      if (count($transacciones) > 0) {
+          foreach ($transacciones as &$transaccion) {
+              $arr = $transaccion->toArray();
+              if ($cuenta->moneda()->codigo === 'CLP') {
+                  if ($transaccion->debito()->moneda()->codigo !== 'CLP' or $transaccion->credito()->moneda()->codigo !== 'CLP') {
+                      if ($transaccion->debito()->moneda()->codigo !== 'CLP') {
+                          $c = $transaccion->debito();
+                      } else {
+                          $c = $transaccion->credito();
+                      }
+                      $service->get($transaccion->fecha(), $c->moneda()->id);
+                      $arr['valor'] = $c->moneda()->cambiar($transaccion->fecha(), $transaccion->valor);
+                      $arr['valorFormateado'] = $cuenta->moneda()->format($arr['valor']);
+                  }
+              }
+              $transaccion = $arr;
+          }
       }
     }
     $output = [

api/common/Controller/Import.php

@@ -5,7 +5,7 @@ use Psr\Http\Message\ServerRequestInterface as Request;
 use Psr\Http\Message\ResponseInterface as Response;
 use ProVM\Common\Define\Controller\Json;
 use ProVM\Common\Factory\Model as Factory;
-use Contabilidad\Common\Service\PdfHandler;
+use Contabilidad\Common\Service\DocumentHandler as Handler;
 
 class Import {
     use Json;
@@ -14,8 +14,8 @@ class Import {
       $post = $request->getParsedBody();
       return $this->withJson($response, $post);
     }
-    public function uploads(Request $request, Response $response, PdfHandler $handler): Response {
-      $output = $handler->load();
+    public function uploads(Request $request, Response $response, Handler $handler): Response {
+      $output = $handler->handle();
       return $this->withJson($response, $output);
     }
 }

api/common/Controller/Monedas.php

@@ -0,0 +1,71 @@
+<?php
+namespace Contabilidad\Common\Controller;
+
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Psr\Http\Message\ResponseInterface as Response;
+use ProVM\Common\Define\Controller\Json;
+use ProVM\Common\Factory\Model as Factory;
+use Contabilidad\Moneda;
+
+class Monedas {
+    use Json;
+
+    public function __invoke(Request $request, Response $response, Factory $factory): Response {
+        $monedas = $factory->find(Moneda::class)->array();
+        if ($monedas) {
+            usort($monedas, function($a, $b) {
+                return strcmp($a['denominacion'], $b['denominacion']);
+            });
+        }
+        $output = [
+            'monedas' => $monedas
+        ];
+        return $this->withJson($response, $output);
+    }
+    public function show(Request $request, Response $response, Factory $factory, $moneda_id): Response {
+        $moneda = $factory->find(Moneda::class)->one($moneda_id);
+        $output = [
+            'input' => $moneda_id,
+            'moneda' => $moneda?->toArray()
+        ];
+        return $this->withJson($response, $output);
+    }
+    public function add(Request $request, Response $response, Factory $factory): Response {
+        $input = json_decode($request->getBody());
+        $results = [];
+        if (is_array($input)) {
+            foreach ($input as $in) {
+                $moneda = Moneda::add($factory, $in);
+                $results []= ['moneda' => $moneda?->toArray(), 'agregado' => $moneda?->save()];
+            }
+        } else {
+            $moneda = Moneda::add($factory, $input);
+            $results []= ['moneda' => $moneda?->toArray(), 'agregado' => $moneda?->save()];
+        }
+        $output = [
+            'input' => $input,
+            'monedas' => $results
+        ];
+        return $this->withJson($response, $output);
+    }
+    public function edit(Request $request, Response $response, Factory $factory, $moneda_id): Response {
+        $moneda = $factory->find(Moneda::class)->one($moneda_id);
+        $output = [
+            'input' => $moneda_id,
+            'old' => $moneda->toArray()
+        ];
+        $input = json_decode($request->getBody());
+        $moneda->edit($input);
+        $output['moneda'] = $moneda->toArray();
+        return $this->withJson($response, $output);
+    }
+    public function delete(Request $request, Response $response, Factory $factory, $moneda_id): Response {
+        $moneda = $factory->find(Moneda::class)->one($moneda_id);
+        $output = [
+            'input' => $moneda_id,
+            'moneda' => $moneda->toArray(),
+            'eliminado' => $moneda->delete()
+        ];
+        return $this->withJson($response, $output);
+    }
+}

api/common/Controller/TiposCambios.php

@@ -0,0 +1,95 @@
+<?php
+namespace Contabilidad\Common\Controller;
+
+use Carbon\Carbon;
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Psr\Http\Message\ResponseInterface as Response;
+use ProVM\Common\Define\Controller\Json;
+use ProVM\Common\Factory\Model as Factory;
+use Contabilidad\Common\Service\TiposCambios as Service;
+use Contabilidad\TipoCambio;
+
+class TiposCambios {
+    use Json;
+
+    public function __invoke(Request $request, Response $response, Factory $factory): Response {
+        $tipos = $factory->find(TipoCambio::class)->array();
+        if ($tipos) {
+            usort($tipos, function($a, $b) {
+                return strcmp($a['fecha'], $b['fecha']);
+            });
+        }
+        $output = [
+            'tipos' => $tipos
+        ];
+        return $this->withJson($response, $output);
+    }
+    public function show(Request $request, Response $response, Factory $factory, $tipo_id): Response {
+        $tipo = $factory->find(TipoCambio::class)->one($tipo_id);
+        $output = [
+            'input' => $tipo_id,
+            'tipo' => $tipo?->toArray()
+        ];
+        return $this->withJson($response, $output);
+    }
+    public function add(Request $request, Response $response, Factory $factory): Response {
+        $input = json_decode($request->getBody());
+        $results = [];
+        if (is_array($input)) {
+            foreach ($input as $in) {
+                $tipo = TipoCambio::add($factory, $in);
+                $results []= ['tipo' => $tipo?->toArray(), 'agregado' => $tipo?->save()];
+            }
+        } else {
+            $tipo = TipoCambio::add($factory, $input);
+            $results []= ['tipo' => $tipo?->toArray(), 'agregado' => $tipo?->save()];
+        }
+        $output = [
+            'input' => $input,
+            'tipos' => $results
+        ];
+        return $this->withJson($response, $output);
+    }
+    public function edit(Request $request, Response $response, Factory $factory, $tipo_id): Response {
+        $tipo = $factory->find(TipoCambio::class)->one($tipo_id);
+        $output = [
+            'input' => $tipo_id,
+            'old' => $tipo->toArray()
+        ];
+        $input = json_decode($request->getBody());
+        $tipo->edit($input);
+        $output['tipo'] = $tipo->toArray();
+        return $this->withJson($response, $output);
+    }
+    public function delete(Request $request, Response $response, Factory $factory, $tipo_id): Response {
+        $tipo = $factory->find(TipoCambio::class)->one($tipo_id);
+        $output = [
+            'input' => $tipo_id,
+            'tipo' => $tipo->toArray(),
+            'eliminado' => $tipo->delete()
+        ];
+        return $this->withJson($response, $output);
+    }
+    public function obtain(Request $request, Response $response, Factory $factory, Service $service): Response {
+        $post = $request->getParsedBody();
+        $valor = $service->get($post['fecha'], $post['moneda_id']);
+        if ($valor === null) {
+            return $this->withJson($response, ['input' => $post, 'tipo' => null, 'error' => 'No se encontró valor']);
+        }
+        $data = [
+            'fecha' => $post['fecha'],
+            'desde_id' => $post['moneda_id'],
+            'hasta_id' => 1,
+            'valor' => $valor
+        ];
+        $tipo = TipoCambio::add($factory, $data);
+        if ($tipo !== false and $tipo->is_new()) {
+            $tipo->save();
+        }
+        $output = [
+            'input' => $post,
+            'tipo' => $tipo?->toArray()
+        ];
+        return $this->withJson($response, $output);
+    }
+}

api/common/Controller/TiposCategorias.php

@@ -0,0 +1,139 @@
+<?php
+namespace Contabilidad\Common\Controller;
+
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Psr\Http\Message\ResponseInterface as Response;
+use ProVM\Common\Define\Controller\Json;
+use ProVM\Common\Factory\Model as Factory;
+use Contabilidad\Common\Service\TiposCambios as Service;
+use Contabilidad\TipoCategoria;
+
+class TiposCategorias {
+    use Json;
+
+    public function __invoke(Request $request, Response $response, Factory $factory, Service $service): Response {
+        $tipos = $factory->find(TipoCategoria::class)->many();
+        array_walk($tipos, function(&$item) use ($service) {
+            $arr = $item->toArray();
+            $arr['categorias'] = array_map(function($item) {
+                return $item->toArray();
+            }, $item->categorias());
+            $arr['saldo'] = abs($item->saldo($service));
+            $maps = ['activo', 'pasivo', 'ganancia', 'perdida'];
+            foreach ($maps as $m) {
+                $p = $m . 's';
+                $t = ucfirst($m);
+                $cuentas = $item->getCuentasOf($t);
+                if ($cuentas === false or $cuentas === null) {
+                    $arr[$p] = 0;
+                    continue;
+                }
+                $arr[$p] = array_reduce($cuentas, function($sum, $item) use($service) {
+                    return $sum + $item->saldo($service, true);
+                });
+            }
+            $item = $arr;
+        });
+        if ($tipos) {
+          usort($tipos, function($a, $b) {
+            return strcmp($a['descripcion'], $b['descripcion']);
+          });
+        }
+        $output = [
+          'tipos' => $tipos
+        ];
+        return $this->withJson($response, $output);
+    }
+    public function add(Request $request, Response $response, Factory $factory): Response {
+      $input = json_decode($request->getBody());
+      $results = [];
+      if (is_array($input)) {
+        foreach ($input as $in) {
+          $tipo = TipoCategoria::add($factory, $in);
+          $results []= ['tipo' => $tipo?->toArray(), 'agregado' => $tipo?->save()];
+        }
+      } else {
+        $tipo = TipoCategoria::add($factory, $input);
+        $results []= ['tipo' => $tipo?->toArray(), 'agregado' => $tipo?->save()];
+      }
+      $output = [
+        'input' => $input,
+        'tipos' => $results
+      ];
+      return $this->withJson($response, $output);
+    }
+    public function edit(Request $request, Response $response, Factory $factory, $tipo_id): Response {
+      $tipo = $factory->find(TipoCategoria::class)->one($tipo_id);
+      $output = [
+        'input' => $tipo_id,
+        'old' => $tipo->toArray()
+      ];
+      $input = json_decode($request->getBody());
+      $tipo->edit($input);
+      $output['tipo'] = $tipo->toArray();
+      return $this->withJson($response, $output);
+    }
+    public function delete(Request $request, Response $response, Factory $factory, $tipo_id): Response {
+      $tipo = $factory->find(TipoCategoria::class)->one($tipo_id);
+      $output = [
+        'input' => $tipo_id,
+        'tipo' => $tipo->toArray(),
+        'eliminado' => $tipo->delete()
+      ];
+      return $this->withJson($response, $output);
+    }
+    public function categorias(Request $request, Response $response, Factory $factory, Service $service, $tipo_id): Response {
+      $tipo = $factory->find(TipoCategoria::class)->one($tipo_id);
+      $categorias = null;
+      if ($tipo != null) {
+        $categorias = $tipo->categorias();
+        if ($categorias !== null) {
+          array_walk($categorias, function(&$item) use ($service) {
+              $arr = $item->toArray($service);
+              $maps = ['activo', 'pasivo', 'ganancia', 'perdida'];
+              foreach ($maps as $m) {
+                  $p = $m . 's';
+                  $t = ucfirst($m);
+                  $cuentas = $item->getCuentasOf($t);
+                  if ($cuentas === false or $cuentas === null) {
+                      $arr[$p] = 0;
+                      continue;
+                  }
+                  $arr[$p] = array_reduce($cuentas, function($sum, $item) use($service) {
+                      return $sum + $item->saldo($service, true);
+                  });
+              }
+              $item = $arr;
+          });
+        }
+      }
+      $output = [
+        'input' => $tipo_id,
+        'tipo' => $tipo?->toArray(),
+        'categorias' => $categorias
+      ];
+      return $this->withJson($response, $output);
+    }
+    public function balance(Request $request, Response $response, Factory $factory, Service $service): Response {
+        $tipos = $factory->find(TipoCategoria::class)->many();
+        $balance = array_reduce($tipos, function($sum, $item) use ($service) {
+            $maps = ['activo', 'pasivo', 'ganancia', 'perdida'];
+            foreach ($maps as $m) {
+                $p = $m . 's';
+                $t = ucfirst($m);
+                if (!isset($sum[$p])) {
+                    $sum[$p] = 0;
+                }
+                $cuentas = $item->getCuentasOf($t);
+                if ($cuentas === false or $cuentas === null) {
+                    continue;
+                }
+                $sum[$p] += array_reduce($cuentas, function($sum, $item) use($service) {
+                    return $sum + $item->saldo($service, true);
+                });
+            }
+            return $sum;
+        });
+        return $this->withJson($response, $balance);
+    }
+}

api/common/Controller/TiposCuentas.php

@@ -0,0 +1,71 @@
+<?php
+namespace Contabilidad\Common\Controller;
+
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Psr\Http\Message\ResponseInterface as Response;
+use ProVM\Common\Define\Controller\Json;
+use ProVM\Common\Factory\Model as Factory;
+use Contabilidad\TipoCuenta;
+
+class TiposCuentas {
+  use Json;
+
+  public function __invoke(Request $request, Response $response, Factory $factory): Response {
+    $tipos = $factory->find(TipoCuenta::class)->array();
+    if ($tipos) {
+      usort($tipos, function($a, $b) {
+        return strcmp($a['descripcion'], $b['descripcion']);
+      });
+    }
+    $output = [
+      'tipos' => $tipos
+    ];
+    return $this->withJson($response, $output);
+  }
+  public function show(Request $request, Response $response, Factory $factory, $tipo_id): Response {
+    $tipo = $factory->find(TipoCuenta::class)->one($tipo_id);
+    $output = [
+      'input' => $tipo_id,
+      'tipo' => $tipo?->toArray()
+    ];
+    return $this->withJson($response, $output);
+  }
+  public function add(Request $request, Response $response, Factory $factory): Response {
+    $input = json_decode($request->getBody());
+    $results = [];
+    if (is_array($input)) {
+      foreach ($input as $in) {
+        $tipo = TipoCuenta::add($factory, $in);
+        $results []= ['tipo' => $tipo?->toArray(), 'agregado' => $tipo?->save()];
+      }
+    } else {
+      $tipo = TipoCuenta::add($factory, $input);
+      $results []= ['tipo' => $tipo?->toArray(), 'agregado' => $tipo?->save()];
+    }
+    $output = [
+      'input' => $input,
+      'tipos' => $results
+    ];
+    return $this->withJson($response, $output);
+  }
+  public function edit(Request $request, Response $response, Factory $factory, $tipo_id): Response {
+    $tipo = $factory->find(TipoCuenta::class)->one($tipo_id);
+    $output = [
+      'input' => $tipo_id,
+      'old' => $tipo->toArray()
+    ];
+    $input = json_decode($request->getBody());
+    $tipo->edit($input);
+    $output['tipo'] = $tipo->toArray();
+    return $this->withJson($response, $output);
+  }
+  public function delete(Request $request, Response $response, Factory $factory, $tipo_id): Response {
+    $tipo = $factory->find(TipoCuenta::class)->one($tipo_id);
+    $output = [
+      'input' => $tipo_id,
+      'tipo' => $tipo->toArray(),
+      'eliminado' => $tipo->delete()
+    ];
+    return $this->withJson($response, $output);
+  }
+}

api/common/Middleware/Auth.php

@@ -0,0 +1,29 @@
+<?php
+namespace Contabilidad\Common\Middleware;
+
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Psr\Http\Server\RequestHandlerInterface as Handler;
+use Psr\Http\Message\ResponseInterface as Response;
+use Psr\Http\Message\ResponseFactoryInterface as Factory;
+use Contabilidad\Common\Service\Auth as Service;
+
+class Auth {
+    protected Factory $factory;
+    protected Service $service;
+    public function __construct(Factory $factory, Service $service) {
+        $this->factory = $factory;
+        $this->service = $service;
+    }
+    public function __invoke(Request $request, Handler $handler): Response {
+        if ($request->getMethod() == 'OPTIONS') {
+            return $handler->handle($request);
+        }
+        if (!$this->service->isValid($request)) {
+            $response = $this->factory->createResponse(401);
+            $response->getBody()->write(json_encode(['message' => 'Invalid API KEY.']));
+            return $response
+                ->withHeader('Content-Type', 'application/json');
+        }
+        return $handler->handle($request);
+    }
+}

api/common/Service/Auth.php

@@ -0,0 +1,49 @@
+<?php
+namespace Contabilidad\Common\Service;
+
+use Psr\Http\Message\ServerRequestInterface as Request;
+
+class Auth {
+    protected string $key;
+    public function __construct(string $api_key) {
+        $this->key = $api_key;
+    }
+    public function isValid(Request $request): bool {
+        if ($request->hasHeader('Authorization')) {
+            $sent_key = $this->getAuthKey($request->getHeader('Authorization'));
+            return $this->key == $sent_key;
+        }
+        if (isset($request->getParsedBody()['api_key'])) {
+            $sent_key = $request->getParsedBody()['api_key'];
+            return $this->key == $sent_key;
+        }
+        $post = $request->getParsedBody() ?? json_decode($request->getBody());
+        $sent_key = $this->getArrayKey($post);
+        if ($sent_key !== null) {
+            return $this->key == $sent_key;
+        }
+        $sent_key = $this->getArrayKey($request->getQueryParams());
+        return $this->key == $sent_key;
+    }
+    protected function getAuthKey($auth) {
+        if (is_array($auth)) {
+            $auth = $auth[0];
+        }
+        if (str_contains($auth, 'Bearer')) {
+            $auth = explode(' ', $auth)[1];
+        }
+        return $auth;
+    }
+    protected function getArrayKey($array) {
+        $posible_keys = [
+            'API_KEY',
+            'api_key',
+        ];
+        foreach ($posible_keys as $key) {
+            if (isset($array[$key])) {
+                return $array[$key];
+            }
+        }
+        return null;
+    }
+}

api/common/Service/CsvHandler.php

@@ -0,0 +1,37 @@
+<?php
+namespace Contabilidad\Common\Service;
+
+use Contabilidad\Common\Concept\DocumentHandler;
+
+class CsvHandler extends DocumentHandler {
+  public function load(): ?array {
+    $folder = $this->folder;
+    $files = new \DirectoryIterator($folder);
+    $output = [];
+    foreach ($files as $file) {
+      if ($file->isDir() or $file->getExtension() != 'csv') {
+        continue;
+      }
+      $bank = 'unknown';
+      $text = trim(file_get_contents($file->getRealPath()));
+      if (str_contains($text, 'SCOTIABANK')) {
+        $bank = 'Scotiabank';
+      }
+      if (str_contains($text, 'BICE')) {
+        $bank = 'BICE';
+      }
+      $data = explode(PHP_EOL, $text);
+      array_walk($data, function(&$item) {
+        $item = trim($item, '; ');
+        if (str_contains($item, ';') !== false) {
+          $item = explode(';', $item);
+        }
+      });
+      $output []= ['bank' => $bank, 'filename' => $file->getBasename(), 'data' => $data];
+    }
+    return $this->build($output);
+  }
+  protected function build(array $data): ?array {
+    return $data;
+  }
+}

api/common/Service/DocumentHandler.php

@@ -0,0 +1,16 @@
+<?php
+namespace Contabilidad\Common\Service;
+
+class DocumentHandler {
+  protected array $handlers;
+  public function __construct(array $handlers) {
+    $this->handlers = $handlers;
+  }
+  public function handle(): array {
+    $output = [];
+    foreach ($this->handlers as $handler) {
+      $output = array_merge($output, $handler->load());
+    }
+    return $output;
+  }
+}

api/common/Service/PdfHandler.php

@@ -1,15 +1,15 @@
 <?php
 namespace Contabilidad\Common\Service;
 
+use Contabilidad\Common\Concept\DocumentHandler;
 use GuzzleHttp\Client;
 
-class PdfHandler {
+class PdfHandler extends DocumentHandler {
   protected Client $client;
-  protected string $folder;
   protected string $url;
   public function __construct(Client $client, string $pdf_folder, string $url) {
+    parent::__construct($pdf_folder);
     $this->client = $client;
-    $this->folder = $pdf_folder;
     $this->url = $url;
   }
 
@@ -25,6 +25,51 @@ class PdfHandler {
     }
     $response = $this->client->post($this->url, ['json' => ['files' => $output]]);
     $output = json_decode($response->getBody());
-    return $output;
+    return $this->build($output);
+  }
+  protected function build(array $data): ?array {
+    foreach ($data as &$file) {
+      $i = $this->findStartRow($file->text);
+      if ($i === -1) {
+        continue;
+      }
+      $e = $this->findEndRow($file->text, $i);
+      if ($e == $i) {
+        continue;
+      }
+      $file->data = array_filter($file->text, function($key) use ($i, $e) {
+        return ($key >= $i) and ($key <= $e);
+      }, ARRAY_FILTER_USE_KEY);
+    }
+    return $data;
+  }
+  protected function findStartRow(array $data): int {
+    foreach ($data as $i => $row) {
+      if (!is_array($row)) {
+        continue;
+      }
+      $maybe = false;
+      foreach ($row as $cell) {
+        if (str_contains($cell, '/')) {
+          $maybe = true;
+        }
+        if ($maybe and str_contains($cell, '$')) {
+          return $i - 1;
+        }
+      }
+    }
+    return -1;
+  }
+  protected function findEndRow(array $data, int $start): int {
+    $l = count($data[$start]);
+    for ($i = $start; $i < count($data); $i ++) {
+      if (!is_array($data[$i])) {
+        return $i - 1;
+      }
+      if (count($data[$i]) != $l) {
+        return $i - 1;
+      }
+    }
+    return $start;
   }
 }

api/common/Service/TiposCambios.php

@@ -0,0 +1,76 @@
+<?php
+namespace Contabilidad\Common\Service;
+
+use Carbon\Carbon;
+use GuzzleHttp\Client;
+use GuzzleHttp\Exception\ConnectException;
+use GuzzleHttp\Exception\RequestException;
+use ProVM\Common\Factory\Model as Factory;
+use Contabilidad\Moneda;
+use Contabilidad\TipoCambio;
+
+class TiposCambios {
+    protected $client;
+    protected $factory;
+    protected $base_url;
+    protected $key;
+    public function __construct(Client $client, Factory $factory, $api_url, $api_key) {
+        $this->client = $client;
+        $this->factory = $factory;
+        $this->base_url = $api_url;
+        $this->key = $api_key;
+    }
+    public function get(string $fecha, int $moneda_id) {
+        $fecha = Carbon::parse($fecha);
+        $moneda = $this->factory->find(Moneda::class)->one($moneda_id);
+        if ($moneda->codigo == 'USD') {
+            if ($fecha->weekday() == 0) {
+                $fecha = $fecha->subWeek()->weekday(5);
+            }
+            if ($fecha->weekday() == 6) {
+                $fecha = $fecha->weekday(5);
+            }
+        }
+        $cambio = $moneda->cambio($fecha);
+        if ($cambio) {
+            if ($cambio->desde()->id != $moneda->id) {
+                return 1 / $cambio->valor;
+            }
+            return $cambio->valor;
+        }
+        $data = [
+            'fecha' => $fecha->format('Y-m-d'),
+            'desde' => $moneda->codigo
+        ];
+        $headers = [
+            'Authorization' => 'Bearer ' . $this->key
+        ];
+        $url = implode('/', [
+            $this->base_url,
+            'cambio',
+            'get'
+        ]);
+        try {
+            $response = $this->client->request('POST', $url, ['json' => $data, 'headers' => $headers]);
+        } catch (ConnectException | RequestException $e) {
+            error_log($e);
+            return null;
+        }
+        if ($response->getStatusCode() !== 200) {
+            return null;
+        }
+        $result = json_decode($response->getBody());
+        $valor = $result->serie[0]->valor;
+        $data = [
+            'fecha' => $fecha->format('Y-m-d H:i:s'),
+            'desde_id' => $moneda->id,
+            'hasta_id' => 1,
+            'valor' => $valor
+        ];
+        $tipo = TipoCambio::add($this->factory, $data);
+        if ($tipo !== false and $tipo->is_new()) {
+            $tipo->save();
+        }
+        return $valor;
+    }
+}

api/common/Service/XlsHandler.php

@@ -0,0 +1,60 @@
+<?php
+namespace Contabilidad\Common\Service;
+
+use PhpOffice\PhpSpreadsheet\IOFactory;
+use PhpOffice\PhpSpreadsheet\Worksheet\MemoryDrawing;
+use thiagoalessio\TesseractOCR\TesseractOCR;
+use Contabilidad\Common\Concept\DocumentHandler;
+
+class XlsHandler extends DocumentHandler {
+  public function load(): ?array {
+    $folder = $this->folder;
+    $files = new \DirectoryIterator($folder);
+    $output = [];
+    foreach ($files as $file) {
+      if ($file->isDir() or $file->getExtension() != 'xls') {
+        continue;
+      }
+      $reader = IOFactory::createReader(ucfirst($file->getExtension()));
+      $xls = $reader->load($file->getRealPath());
+      $data = [];
+      $bank = 'unknown';
+      for ($s = 0; $s < $xls->getSheetCount(); $s ++) {
+        $sheet = $xls->getSheet($s);
+        foreach ($sheet->getRowIterator() as $row) {
+          $r = [];
+          foreach ($row->getCellIterator() as $cell) {
+            $r []= $cell->getValue();
+          }
+          $data []= $r;
+        }
+        foreach ($sheet->getDrawingCollection() as $drawing) {
+          if ($drawing instanceof MemoryDrawing) {
+            ob_start();
+            call_user_func(
+              $drawing->getRenderingFunction(),
+              $drawing->getImageResource()
+            );
+            $imageContents = ob_get_contents();
+            $size = ob_get_length();
+            ob_end_clean();
+            $ocr = new TesseractOCR();
+            $ocr->imageData($imageContents, $size);
+            $image = $ocr->run();
+            if (str_contains($image, 'BICE')) {
+              $bank = 'BICE';
+            }
+            if (str_contains($image, 'Scotiabank')) {
+              $bank = 'Scotiabank';
+            }
+          }
+        }
+      }
+      $output []= ['bank' => $bank, 'filename' => $file->getBasename(), 'data' => $data];
+    }
+    return $this->build($output);
+  }
+  protected function build(array $data): ?array {
+    return $data;
+  }
+}

api/composer.json

@@ -14,7 +14,9 @@
         "robmorgan/phinx": "^0.12.9",
         "odan/phinx-migrations-generator": "^5.4",
         "martin-mikac/csv-to-phinx-seeder": "^1.6",
-        "guzzlehttp/guzzle": "^7.4"
+        "guzzlehttp/guzzle": "^7.4",
+        "phpoffice/phpspreadsheet": "^1.19",
+        "thiagoalessio/tesseract_ocr": "^2.12"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.5",

api/db/migrations/20211029150754_tipo_cuenta.php

@@ -20,6 +20,7 @@ final class TipoCuenta extends AbstractMigration
     {
         $this->table('tipos_cuenta')
             ->addColumn('descripcion', 'string')
+            ->addColumn('color', 'string', ['length' => 6])
             ->create();
     }
 }

api/db/migrations/20211204205950_moneda.php

@@ -0,0 +1,29 @@
+<?php
+declare(strict_types=1);
+
+use Phinx\Migration\AbstractMigration;
+
+final class Moneda extends AbstractMigration
+{
+    /**
+     * Change Method.
+     *
+     * Write your reversible migrations using this method.
+     *
+     * More information on writing migrations is available here:
+     * https://book.cakephp.org/phinx/0/en/migrations.html#the-change-method
+     *
+     * Remember to call "create()" or "update()" and NOT "save()" when working
+     * with the Table class.
+     */
+    public function change(): void
+    {
+        $this->table('monedas')
+            ->addColumn('denominacion', 'string')
+            ->addColumn('codigo', 'string', ['length' => 3])
+            ->addColumn('prefijo', 'string', ['default' => ''])
+            ->addColumn('sufijo', 'string', ['default' => ''])
+            ->addColumn('decimales', 'integer', ['default' => 0])
+            ->create();
+    }
+}

api/db/migrations/20211204210207_cuenta_moneda.php

@@ -0,0 +1,26 @@
+<?php
+declare(strict_types=1);
+
+use Phinx\Migration\AbstractMigration;
+
+final class CuentaMoneda extends AbstractMigration
+{
+    /**
+     * Change Method.
+     *
+     * Write your reversible migrations using this method.
+     *
+     * More information on writing migrations is available here:
+     * https://book.cakephp.org/phinx/0/en/migrations.html#the-change-method
+     *
+     * Remember to call "create()" or "update()" and NOT "save()" when working
+     * with the Table class.
+     */
+    public function change(): void
+    {
+        $this->table('cuentas')
+            ->addColumn('moneda_id', 'integer')
+            ->addForeignKey('moneda_id', 'monedas')
+            ->update();
+    }
+}

api/db/migrations/20211205002439_tipo_cambio.php

@@ -0,0 +1,30 @@
+<?php
+declare(strict_types=1);
+
+use Phinx\Migration\AbstractMigration;
+
+final class TipoCambio extends AbstractMigration
+{
+    /**
+     * Change Method.
+     *
+     * Write your reversible migrations using this method.
+     *
+     * More information on writing migrations is available here:
+     * https://book.cakephp.org/phinx/0/en/migrations.html#the-change-method
+     *
+     * Remember to call "create()" or "update()" and NOT "save()" when working
+     * with the Table class.
+     */
+    public function change(): void
+    {
+        $this->table('tipos_cambio')
+            ->addColumn('fecha', 'datetime')
+            ->addColumn('desde_id', 'integer')
+            ->addForeignKey('desde_id', 'monedas')
+            ->addColumn('hasta_id', 'integer')
+            ->addForeignKey('hasta_id', 'monedas')
+            ->addColumn('valor', 'double')
+            ->create();
+    }
+}

api/db/seeds/Moneda.php

@@ -0,0 +1,41 @@
+<?php
+
+
+use Phinx\Seed\AbstractSeed;
+
+class Moneda extends AbstractSeed
+{
+    /**
+     * Run Method.
+     *
+     * Write your database seeder using this method.
+     *
+     * More information on writing seeders is available here:
+     * https://book.cakephp.org/phinx/0/en/seeding.html
+     */
+    public function run()
+    {
+        $data = [
+            [
+                'denominacion' => 'Pesos Chilenos',
+                'codigo' => 'CLP',
+                'prefijo' => '$ '
+            ],
+            [
+                'denominacion' => 'Dólar',
+                'codigo' => 'USD',
+                'prefijo' => 'US$ ',
+                'decimales' => 2
+            ],
+            [
+                'denominacion' => 'Unidad de Fomento',
+                'codigo' => 'CLF',
+                'sufijo' => ' UF',
+                'decimales' => 2
+            ]
+        ];
+        $this->table('monedas')
+            ->insert($data)
+            ->saveData();
+    }
+}

api/resources/routes/base.php

@@ -1,4 +1,6 @@
 <?php
 use Contabilidad\Common\Controller\Base;
 
+$app->get('/key/generate[/]', [Base::class, 'generate_key']);
+$app->get('/balance[/]', [Contabilidad\Common\Controller\TiposCategorias::class, 'balance']);
 $app->get('/', Base::class);

api/resources/routes/monedas.php

@@ -0,0 +1,12 @@
+<?php
+use Contabilidad\Common\Controller\Monedas;
+
+$app->group('/monedas', function($app) {
+    $app->post('/add[/]', [Monedas::class, 'add']);
+    $app->get('[/]', Monedas::class);
+});
+$app->group('/moneda/{moneda_id}', function($app) {
+    $app->put('/edit', [Monedas::class, 'edit']);
+    $app->delete('/delete', [Monedas::class, 'delete']);
+    $app->get('[/]', [Monedas::class, 'show']);
+});

api/resources/routes/tipos.php

@@ -0,0 +1,16 @@
+<?php
+$folder = implode(DIRECTORY_SEPARATOR, [
+    __DIR__,
+    'tipos'
+]);
+if (file_exists($folder)) {
+    $app->group('/tipos', function($app) use ($folder) {
+        $files = new DirectoryIterator($folder);
+        foreach ($files as $file) {
+            if ($file->isDir() or $file->getExtension() != 'php') {
+                continue;
+            }
+            include_once $file->getRealPath();
+        }
+    });
+}

api/resources/routes/tipos/cambios.php

@@ -0,0 +1,13 @@
+<?php
+use Contabilidad\Common\Controller\TiposCambios;
+
+$app->group('/cambios', function($app) {
+    $app->post('/obtener[/]', [TiposCambios::class, 'obtain']);
+    $app->post('/add[/]', [TiposCambios::class, 'add']);
+    $app->get('[/]', TiposCambios::class);
+});
+$app->group('/cambio/{tipo_id}', function($app) {
+    $app->put('/edit[/]', [TiposCambios::class, 'edit']);
+    $app->delete('/delete[/]', [TiposCambios::class, 'delete']);
+    $app->get('[/]', [TiposCambios::class, 'show']);
+});

api/resources/routes/tipos/categorias.php

@@ -0,0 +1,13 @@
+<?php
+use Contabilidad\Common\Controller\TiposCategorias;
+
+$app->group('/categorias', function($app) {
+  $app->post('/add[/]', [TiposCategorias::class, 'add']);
+  $app->get('[/]', TiposCategorias::class);
+});
+$app->group('/categoria/{tipo_id}', function($app) {
+  $app->get('/categorias', [TiposCategorias::class, 'categorias']);
+  $app->put('/edit', [TiposCategorias::class, 'edit']);
+  $app->delete('/delete', [TiposCategorias::class, 'delete']);
+  $app->get('[/]', [TiposCategorias::class, 'show']);
+});

api/resources/routes/tipos/cuentas.php

@@ -0,0 +1,12 @@
+<?php
+use Contabilidad\Common\Controller\TiposCuentas;
+
+$app->group('/cuentas', function($app) {
+  $app->post('/add[/]', [TiposCuentas::class, 'add']);
+  $app->get('[/]', TiposCuentas::class);
+});
+$app->group('/cuenta/{tipo_id}', function($app) {
+  $app->put('/edit', [TiposCuentas::class, 'edit']);
+  $app->delete('/delete', [TiposCuentas::class, 'delete']);
+  $app->get('[/]', [TiposCuentas::class, 'show']);
+});

api/setup/app.php

@@ -31,7 +31,7 @@ $app->addRoutingMiddleware();
 $app->add(new WhoopsMiddleware());
 
 
-$folder = 'middlewares';
+$folder = implode(DIRECTORY_SEPARATOR, [__DIR__, 'middlewares']);
 if (file_exists($folder)) {
   $files = new DirectoryIterator($folder);
   foreach ($files as $file) {

api/setup/middlewares/01_auth.php

@@ -0,0 +1,4 @@
+<?php
+use Contabilidad\Common\Middleware\Auth;
+
+$app->add($app->getContainer()->get(Auth::class));

api/setup/settings/01_env.php

@@ -1,4 +1,7 @@
 <?php
 return [
-  'debug' => $_ENV['DEBUG'] ?? false
+    'debug' => $_ENV['DEBUG'] ?? false,
+    'api_key' => $_ENV['API_KEY'],
+    'python_api' => $_ENV['PYTHON_API'] ?? 'http://python:5000',
+    'python_key' => $_ENV['PYTHON_KEY']
 ];

api/setup/settings/02_common.php

@@ -26,6 +26,14 @@ return [
       $arr['uploads'],
       'pdfs'
     ]);
+    $arr['csvs'] = implode(DIRECTORY_SEPARATOR, [
+      $arr['uploads'],
+      'csvs'
+    ]);
+    $arr['xlss'] = implode(DIRECTORY_SEPARATOR, [
+      $arr['uploads'],
+      'xlss'
+    ]);
     return (object) $arr;
   },
   'urls' => function(Container $c) {

api/setup/setups/02_common.php

@@ -5,11 +5,42 @@ return [
   GuzzleHttp\Client::class => function(Container $c) {
     return new GuzzleHttp\Client();
   },
+    Contabilidad\Common\Service\Auth::class => function(Container $c) {
+        return new Contabilidad\Common\Service\Auth($c->get('api_key'));
+    },
+    Contabilidad\Common\Middleware\Auth::class => function(Container $c) {
+        return new Contabilidad\Common\Middleware\Auth(
+            $c->get(Nyholm\Psr7\Factory\Psr17Factory::class),
+            $c->get(Contabilidad\Common\Service\Auth::class)
+        );
+    },
   Contabilidad\Common\Service\PdfHandler::class => function(Container $c) {
     return new Contabilidad\Common\Service\PdfHandler($c->get(GuzzleHttp\Client::class), $c->get('folders')->pdfs, implode('/', [
       $c->get('urls')->python,
       'pdf',
       'parse'
     ]));
-  }
+  },
+  Contabilidad\Common\Service\CsvHandler::class => function(Container $c) {
+    return new Contabilidad\Common\Service\CsvHandler($c->get('folders')->csvs);
+  },
+  Contabilidad\Common\Service\XlsHandler::class => function(Container $c) {
+    return new Contabilidad\Common\Service\XlsHandler($c->get('folders')->xlss);
+  },
+  Contabilidad\Common\Service\DocumentHandler::class => function(Container $c) {
+    $handlers = [
+      $c->get(Contabilidad\Common\Service\XlsHandler::class),
+      $c->get(Contabilidad\Common\Service\CsvHandler::class),
+      $c->get(Contabilidad\Common\Service\PdfHandler::class)
+    ];
+    return new Contabilidad\Common\Service\DocumentHandler($handlers);
+  },
+    Contabilidad\Common\Service\TiposCambios::class => function(Container $c) {
+        return new Contabilidad\Common\Service\TiposCambios(
+            $c->get(GuzzleHttp\Client::class),
+            $c->get(ProVM\Common\Factory\Model::class),
+            $c->get('python_api'),
+            $c->get('python_key')
+        );
+    }
 ];

api/src/Categoria.php

@@ -1,7 +1,9 @@
 <?php
 namespace Contabilidad;
 
+use Carbon\Carbon;
 use ProVM\Common\Alias\Model;
+use Contabilidad\Common\Service\TiposCambios as Service;
 
 /**
  * @property int $id
@@ -10,7 +12,7 @@ use ProVM\Common\Alias\Model;
  */
 class Categoria extends Model {
   public static $_table = 'categorias';
-  protected static $fields = ['nombre'];
+  protected static $fields = ['nombre', 'tipo_id'];
 
   protected $cuentas;
   public function cuentas() {
@@ -27,24 +29,64 @@ class Categoria extends Model {
     return $this->tipo;
   }
 
+  public function getCuentasOf($tipo) {
+      return $this->factory->find(Cuenta::class)
+          ->select([['cuentas', '*']])
+          ->join([
+              ['tipos_cuenta', 'tipos_cuenta.id', 'cuentas.tipo_id']
+          ])
+          ->where([
+              ['tipos_cuenta.descripcion', $tipo],
+              ['cuentas.categoria_id', $this->id]
+          ])
+          ->many();
+  }
+  protected $activos;
+  public function activos() {
+      if ($this->activos === null) {
+          $this->activos = $this->getCuentasOf('Activo');
+      }
+      return $this->activos();
+  }
+  protected $pasivos;
+  public function pasivos() {
+      if ($this->pasivos === null) {
+          $this->activos = $this->getCuentasOf('Pasivo');
+      }
+      return $this->pasivos;
+  }
+  protected $ganancias;
+  public function ganancias() {
+      if ($this->ganancias === null) {
+          $this->ganancias = $this->getCuentasOf('Ganancia');
+      }
+      return $this->ganancias;
+  }
+  protected $perdidas;
+  public function perdidas() {
+      if ($this->perdidas === null) {
+          $this->perdidas = $this->getCuentasOf('Perdida');
+      }
+      return $this->perdidas;
+  }
+
   protected $saldo;
-  public function saldo() {
+  public function saldo(Service $service = null) {
     if ($this->saldo === null) {
       $this->saldo = 0;
       if ($this->cuentas() !== null) {
-        $this->saldo = array_reduce($this->cuentas(), function($sum, $item) {
-          return $sum + $item->saldo();
-        });
+          $sum = 0;
+          $debitos = ['Activo', 'Perdida'];
+          foreach ($this->cuentas() as $cuenta) {
+              if (array_search($cuenta->tipo()->descripcion, $debitos) !== false) {
+                  $sum -= $cuenta->saldo($service, true);
+                  continue;
+              }
+              $sum += $cuenta->saldo($service, true);
+          }
+          $this->saldo = $sum;
       }
     }
     return $this->saldo;
   }
-
-  public function toArray(): array {
-    $arr = parent::toArray();
-    $arr['tipo'] = $this->tipo()->toArray();
-    $arr['saldo'] = $this->saldo();
-    $arr['saldoFormateado'] = '$' . number_format($this->saldo(), 0, ',', '.');
-    return $arr;
-  }
 }

api/src/Cuenta.php

@@ -1,17 +1,20 @@
 <?php
 namespace Contabilidad;
 
+use Carbon\Carbon;
 use ProVM\Common\Alias\Model;
+use Contabilidad\Common\Service\TiposCambios as Service;
 
 /**
  * @property int $id
  * @property string $nombre
  * @property Categoria $categoria_id
  * @property TipoCuenta $tipo_id
+ * @property Moneda $moneda_id
  */
 class Cuenta extends Model {
   public static $_table = 'cuentas';
-  protected static $fields = ['nombre', 'categoria_id', 'tipo_id'];
+  protected static $fields = ['nombre', 'categoria_id', 'tipo_id', 'moneda_id'];
 
   protected $categoria;
   public function categoria() {
@@ -20,25 +23,32 @@ class Cuenta extends Model {
     }
     return $this->categoria;
   }
-  protected $cuenta;
-  public function cuenta() {
-    if ($this->cuenta === null) {
-      $this->cuenta = $this->childOf(TipoCuenta::class, [Model::SELF_KEY => 'tipo_id']);
+  protected $tipo;
+  public function tipo() {
+    if ($this->tipo === null) {
+      $this->tipo = $this->childOf(TipoCuenta::class, [Model::SELF_KEY => 'tipo_id']);
     }
-    return $this->cuenta;
+    return $this->tipo;
+  }
+  protected $moneda;
+  public function moneda() {
+      if ($this->moneda === null) {
+          $this->moneda = $this->childOf(Moneda::class, [Model::SELF_KEY => 'moneda_id']);
+      }
+      return $this->moneda;
   }
 
   protected $cargos;
   public function cargos() {
     if ($this->cargos === null) {
-      $this->cargos = $this->parentOf(Transaccion::class, [Model::CHILD_KEY => 'hasta_id']);
+      $this->cargos = $this->parentOf(Transaccion::class, [Model::CHILD_KEY => 'credito_id']);
     }
     return $this->cargos;
   }
   protected $abonos;
   public function abonos() {
     if ($this->abonos === null) {
-      $this->abonos = $this->parentOf(Transaccion::class, [Model::CHILD_KEY => 'desde_id']);
+      $this->abonos = $this->parentOf(Transaccion::class, [Model::CHILD_KEY => 'debito_id']);
     }
     return $this->abonos;
   }
@@ -46,7 +56,7 @@ class Cuenta extends Model {
   public function transacciones($limit = null, $start = 0) {
     if ($this->transacciones === null) {
       $transacciones = Model::factory(Transaccion::class)
-        ->join('cuentas', 'cuentas.id = transacciones.desde_id OR cuentas.id = transacciones.hasta_id')
+        ->join('cuentas', 'cuentas.id = transacciones.debito_id OR cuentas.id = transacciones.credito_id')
         ->whereEqual('cuentas.id', $this->id)
         ->orderByAsc('transacciones.fecha');
       if ($limit !== null) {
@@ -64,23 +74,40 @@ class Cuenta extends Model {
     return $this->transacciones;
   }
   protected $saldo;
-  public function saldo() {
+  public function saldo(Service $service = null, $in_clp = false) {
     if ($this->saldo === null) {
       $this->saldo = 0;
       if (count($this->transacciones()) > 0) {
         $this->saldo = array_reduce($this->transacciones(), function($sum, $item) {
-          return $sum + $item->valor;
+            return $sum + $item->valor;
         });
       }
     }
+    if ($in_clp and $this->moneda()->codigo !== 'CLP') {
+        $fecha = Carbon::today();
+        if ($this->moneda()->codigo == 'USD') {
+            $fecha = match ($fecha->weekday()) {
+                0 => $fecha->subWeek()->weekday(5),
+                6 => $fecha->weekday(5),
+                default => $fecha
+            };
+        }
+        $service->get($fecha->format('Y-m-d'), $this->moneda()->id);
+        return $this->moneda()->cambiar($fecha, $this->saldo);
+    }
     return $this->saldo;
   }
 
-  public function toArray(): array {
+  public function format($valor) {
+      return $this->moneda()->format($valor);
+  }
+
+  public function toArray(Service $service = null, $in_clp = false): array {
     $arr = parent::toArray();
-    $arr['categoria'] = $this->categoria()->toArray();
-    $arr['saldo'] = $this->saldo();
-    $arr['saldoFormateado'] = '$' . number_format($this->saldo(), 0, ',', '.');
+    $arr['tipo'] = $this->tipo()->toArray();
+    $arr['moneda'] = $this->moneda()->toArray();
+    $arr['saldo'] = $this->saldo($service, $in_clp);
+    $arr['saldoFormateado'] = $this->format($this->saldo($service, $in_clp));
     return $arr;
   }
 }

api/src/Moneda.php

@@ -0,0 +1,46 @@
+<?php
+namespace Contabilidad;
+
+use ProVM\Common\Alias\Model;
+
+/**
+ * @property int $id
+ * @property string $denominacion
+ * @property string $codigo
+ * @property string $sufijo
+ * @property string $prefijo
+ * @property int $decimales
+ */
+class Moneda extends Model {
+    public static $_table = 'monedas';
+    protected static $fields = ['denominacion', 'codigo'];
+
+    public function format($valor) {
+        return implode('', [
+           $this->prefijo,
+           number_format($valor, $this->decimales, ',', '.'),
+           $this->sufijo
+        ]);
+    }
+    public function cambio(\DateTime $fecha) {
+        $cambio = $this->factory->find(TipoCambio::class)
+            ->where([['desde_id', $this->id], ['hasta_id', 1], ['fecha', $fecha->format('Y-m-d H:i:s')]])
+            ->one();
+        if (!$cambio) {
+            $cambio = $this->factory->find(TipoCambio::class)
+                ->where([['hasta_id', $this->id], ['desde_id', 1], ['fecha', $fecha->format('Y-m-d H:i:s')]])
+                ->one();
+        }
+        return $cambio;
+    }
+    public function cambiar(\DateTime $fecha, float $valor) {
+        $cambio = $this->cambio($fecha);
+        if (!$cambio) {
+            return $valor;
+        }
+        if ($cambio->desde()->id != $this->id) {
+            return $cambio->transform($valor, TipoCambio::DESDE);
+        }
+        return $cambio->transform($valor);
+    }
+}

api/src/TipoCambio.php

@@ -0,0 +1,50 @@
+<?php
+namespace Contabilidad;
+
+use Carbon\Carbon;
+use DateTime;
+use ProVM\Common\Alias\Model;
+
+/**
+ * @property int $id
+ * @property DateTime $fecha
+ * @property Moneda $desde_id
+ * @property Moneda $hasta_id
+ * @property float $valor
+ */
+class TipoCambio extends Model {
+    const DESDE = -1;
+    const HASTA = 1;
+
+    public static $_table = 'tipos_cambio';
+    protected static $fields = ['fecha', 'valor', 'desde_id', 'hasta_id'];
+    
+    protected $desde;
+    public function desde() {
+        if ($this->desde === null) {
+            $this->desde = $this->childOf(Moneda::class, [Model::SELF_KEY => 'desde_id']);
+        }
+        return $this->desde;
+    }
+    protected $hasta;
+    public function hasta() {
+        if ($this->hasta === null) {
+            $this->hasta = $this->childOf(Moneda::class, [Model::SELF_KEY => 'hasta_id']);
+        }
+        return $this->hasta;
+    }
+    public function fecha(DateTime $fecha = null) {
+        if ($fecha === null) {
+            return Carbon::parse($this->fecha);
+        }
+        $this->fecha = $fecha->format('Y-m-d H:i:s');
+        return $this;
+    }
+
+    public function transform(float $valor, int $direction = TipoCambio::HASTA): float {
+        if ($direction == TipoCambio::HASTA) {
+            return $valor * $this->valor;
+        }
+        return $valor / $this->valor;
+    }
+}

api/src/TipoCategoria.php

@@ -2,6 +2,7 @@
 namespace Contabilidad;
 
 use ProVM\Common\Alias\Model;
+use Contabilidad\Common\Service\TiposCambios as Service;
 
 /**
  * @property int $id
@@ -11,4 +12,35 @@ use ProVM\Common\Alias\Model;
 class TipoCategoria extends Model {
   public static $_table = 'tipos_categoria';
   protected static $fields = ['descripcion', 'activo'];
+
+  protected $categorias;
+  public function categorias() {
+    if ($this->categorias === null) {
+      $this->categorias = $this->parentOf(Categoria::class, [Model::CHILD_KEY => 'tipo_id']);
+    }
+    return $this->categorias;
+  }
+
+    public function getCuentasOf($tipo) {
+        return $this->factory->find(Cuenta::class)
+            ->select([['cuentas', '*']])
+            ->join([
+                ['tipos_cuenta', 'tipos_cuenta.id', 'cuentas.tipo_id'],
+                ['categorias', 'categorias.id', 'cuentas.categoria_id']
+            ])
+            ->where([
+                ['tipos_cuenta.descripcion', $tipo],
+                ['categorias.tipo_id', $this->id]
+            ])->many();
+    }
+
+  protected $saldo;
+  public function saldo(Service $service = null) {
+      if ($this->saldo === null) {
+          $this->saldo = array_reduce($this->categorias(), function($sum, $item) use ($service) {
+             return $sum + $item->saldo($service);
+          });
+      }
+      return $this->saldo;
+  }
 }

api/src/TipoCuenta.php

@@ -6,8 +6,9 @@ use ProVM\Common\Alias\Model;
 /**
  * @property int $id
  * @property string $descripcion
+ * @property string $color
  */
 class TipoCuenta extends Model {
   public static $_table = 'tipos_cuenta';
-  protected static $fields = ['descripcion'];
-}
+  protected static $fields = ['descripcion', 'color'];
+}

api/src/Transaccion.php

@@ -1,6 +1,7 @@
 <?php
 namespace Contabilidad;
 
+use DateTime;
 use Carbon\Carbon;
 use ProVM\Common\Alias\Model;
 
@@ -8,7 +9,7 @@ use ProVM\Common\Alias\Model;
  * @property int $id
  * @property Cuenta $debito_id
  * @property Cuenta $credito_id
- * @property \DateTime $fecha
+ * @property DateTime $fecha
  * @property string $glosa
  * @property string $detalle
  * @property double $valor
@@ -31,7 +32,7 @@ class Transaccion extends Model {
     }
     return $this->credito;
   }
-  public function fecha(\DateTime $fecha = null) {
+  public function fecha(DateTime $fecha = null) {
     if ($fecha === null) {
       return Carbon::parse($this->fecha);
     }
@@ -43,7 +44,7 @@ class Transaccion extends Model {
     $arr['debito'] = $this->debito()->toArray();
     $arr['credito'] = $this->credito()->toArray();
     $arr['fechaFormateada'] = $this->fecha()->format('d-m-Y');
-    $arr['valorFormateado'] = '$' . number_format($this->valor, 0, ',', '.');
+    $arr['valorFormateado'] = $this->debito()->moneda()->format($this->valor);
     return $arr;
   }
 }