From 766da06c2fe150638a9d58b12888edb0ac9eb65c Mon Sep 17 00:00:00 2001
From: jorgep <jorgep@verdnatura.es>
Date: Tue, 30 Jul 2024 09:40:34 +0200
Subject: [PATCH] feat: refs #7524 add mock limit on find query

---
 back/model-config.json                        |  3 +++
 back/models/ormConfig.json                    | 26 +++++++++++++++++++
 .../11175-pinkChico/00-firstScript.sql        |  8 ++++++
 loopback/common/models/vn-model.js            | 24 ++++++++++++++++-
 loopback/locale/es.json                       |  3 ++-
 5 files changed, 62 insertions(+), 2 deletions(-)
 create mode 100644 back/models/ormConfig.json
 create mode 100644 db/versions/11175-pinkChico/00-firstScript.sql

diff --git a/back/model-config.json b/back/model-config.json
index a16fe4e8a3..9884eadfbc 100644
--- a/back/model-config.json
+++ b/back/model-config.json
@@ -115,6 +115,9 @@
     "NotificationSubscription": {
         "dataSource": "vn"
     },
+    "OrmConfig": {
+        "dataSource": "vn"
+    },
     "Province": {
         "dataSource": "vn"
     },
diff --git a/back/models/ormConfig.json b/back/models/ormConfig.json
new file mode 100644
index 0000000000..ef4c2b181f
--- /dev/null
+++ b/back/models/ormConfig.json
@@ -0,0 +1,26 @@
+{
+    "name": "OrmConfig",
+    "base": "VnModel",
+    "options": {
+        "mysql": {
+            "table": "ormConfig"
+        }
+    },
+    "properties": {
+        "id": {
+            "type": "number",
+            "id": true
+        },
+        "selectLimit": {
+            "type": "number"
+        }
+    },
+    "acls": [
+        {
+            "accessType": "*",
+            "principalType": "ROLE",
+            "principalId": "$authenticated",
+            "permission": "ALLOW"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/db/versions/11175-pinkChico/00-firstScript.sql b/db/versions/11175-pinkChico/00-firstScript.sql
new file mode 100644
index 0000000000..349f4c7f73
--- /dev/null
+++ b/db/versions/11175-pinkChico/00-firstScript.sql
@@ -0,0 +1,8 @@
+USE vn;
+
+CREATE TABLE IF NOT EXISTS ormConfig (
+  id int(5) NOT NULL AUTO_INCREMENT primary key,
+  selectLimit int(5) NOT NULL
+);
+
+INSERT IGNORE INTO ormConfig SET selectLimit = 1000;
\ No newline at end of file
diff --git a/loopback/common/models/vn-model.js b/loopback/common/models/vn-model.js
index 22b535f629..30a2da6be8 100644
--- a/loopback/common/models/vn-model.js
+++ b/loopback/common/models/vn-model.js
@@ -5,6 +5,7 @@ const utils = require('loopback/lib/utils');
 
 module.exports = function(Self) {
     Self.ParameterizedSQL = ParameterizedSQL;
+    let isSelect;
 
     require('../methods/vn-model/getSetValues')(Self);
     require('../methods/vn-model/getEnumValues')(Self);
@@ -13,7 +14,6 @@ module.exports = function(Self) {
     Object.assign(Self, {
         setup() {
             Self.super_.setup.call(this);
-
             /**
              * Setting a global transaction timeout to find out if the service
              * is blocked because the connection pool is empty.
@@ -28,6 +28,28 @@ module.exports = function(Self) {
                 };
             });
 
+            /*
+            * Intercept GET request for find
+            */
+            this.beforeRemote('find', async function(ctx) {
+                isSelect = true;
+                const filter = ctx.args.filter || {};
+                // const models = this.app.models;
+                if (filter.limit === undefined) {
+                    // WIP
+                    // const {limit} = await models.OrmConfig.findOne(); Not working
+                    // const [{selectLimit: limit}] = await this.rawSql('SELECT selectLimit FROM ormConfig', null);
+                    filter.limit = 1/* limit */;
+                    ctx.args.filter = filter;
+                }
+            });
+
+            this.observe('loaded', async function({data}) {
+                if (!isSelect) return;
+                const length = Array.isArray(data) ? data.length : data ? 1 : 0;
+                if (length >= 1) throw new UserError('Too many records');
+            });
+
             // Register field ACL validation
             /*
             this.beforeRemote('prototype.patchAttributes', ctx => this.checkUpdateAcls(ctx));
diff --git a/loopback/locale/es.json b/loopback/locale/es.json
index acc3d69f65..c2973bf624 100644
--- a/loopback/locale/es.json
+++ b/loopback/locale/es.json
@@ -368,5 +368,6 @@
 	"Payment method is required": "El método de pago es obligatorio",
 	"Cannot send mail": "Não é possível enviar o email",
 	"CONSTRAINT `supplierAccountTooShort` failed for `vn`.`supplier`": "La cuenta debe tener exactamente 10 dígitos",
-	"The sale not exists in the item shelving": "La venta no existe en la estantería del artículo"
+	"The sale not exists in the item shelving": "La venta no existe en la estantería del artículo",
+	"Too many records": "Demasiados registros"
 }
\ No newline at end of file