db/versions/11419-orangeSalal/00-firstScript.sql

@@ -0,0 +1,2 @@
+ALTER TABLE `vn`.`tag`
+ADD COLUMN IF NOT EXISTS `validationRegex` varchar(50) DEFAULT NULL;

modules/item/back/models/item-tag.js

@@ -10,4 +10,27 @@ module.exports = Self => {
             return new UserError(`Tag value cannot be blank`);
         return err;
     });
+
+    Self.observe('before save', async ctx => {
+        let tagFk;
+        let value;
+
+        if (ctx.isNewInstance) {
+            tagFk = ctx.instance.tagFk;
+            value = ctx.instance.value;
+        } else {
+            tagFk = ctx.currentInstance.tagFk;
+            value = ctx.data.value;
+        }
+        const models = Self.app.models;
+        const validTag = await models.Tag.findById(tagFk);
+
+        if (validTag.validationRegex) {
+            const regexString = validTag.validationRegex.replace(/\\\\/g, '\\');
+            const validExpresion = new RegExp(regexString);
+
+            if (value && !validExpresion.test(value))
+                throw new UserError('The value must be a number or a range of numbers');
+        }
+    });
 };

modules/item/back/models/tag.json

@@ -30,6 +30,9 @@
         "mysql": {
           "columnName": "isQuantitatif"
         }
+      },
+      "validationRegex": {
+        "type": "string"
       }
     },
     "acls": [