chore: written data validation via joi library

models/Currency.js

@@ -0,0 +1,35 @@
+const Joi = require('joi');
+
+const currencySchema = Joi.object({
+    from_currency: Joi.string().length(3).required().messages({
+        'string.base': 'from_currency must be a string',
+        'string.length': 'from_currency must be exactly 3 characters long',
+        'any.required': 'from_currency is required'
+    }),
+    conv_currency: Joi.string().length(3).required().messages({
+        'string.base': 'conv_currency must be a string',
+        'string.length': 'conv_currency must be exactly 3 characters long',
+        'any.required': 'conv_currency is required'
+    }),
+    date: Joi.date().iso().required().messages({
+        'date.base': 'date must be a valid ISO date',
+        'any.required': 'date is required'
+    }),
+    rate: Joi.number().precision(6).positive().required().messages({
+        'number.base': 'rate must be a number',
+        'number.positive': 'rate must be a positive number',
+        'number.precision': 'rate must have no more than 6 decimal places',
+        'any.required': 'rate is required'
+    })
+});
+
+async function validateCurrency(data) {
+    try {
+        const validatedData = await currencySchema.validateAsync(data);
+        return validatedData;
+    } catch (error) {
+        throw new Error(`Validation error \n${JSON.stringify(error.details[0], null, '\t')}`);
+    }
+}
+
+module.exports = { validateCurrency };

package-lock.json

@@ -12,9 +12,46 @@
         "axios": "^1.8.4",
         "cron-validator": "^1.3.1",
         "hjson": "^3.2.2",
+        "joi": "^17.13.3",
         "node-schedule": "^2.1.1"
       }
     },
+    "node_modules/@hapi/hoek": {
+      "version": "9.3.0",
+      "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-9.3.0.tgz",
+      "integrity": "sha512-/c6rf4UJlmHlC9b5BaNvzAcFv7HZ2QHaV0D4/HNlBdvFnvQq8RI4kYdhyPCl7Xj+oWvTWQ8ujhqS53LIgAe6KQ==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@hapi/topo": {
+      "version": "5.1.0",
+      "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-5.1.0.tgz",
+      "integrity": "sha512-foQZKJig7Ob0BMAYBfcJk8d77QtOe7Wo4ox7ff1lQYoNNAb6jwcY1ncdoy2e9wQZzvNy7ODZCYJkK8kzmcAnAg==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^9.0.0"
+      }
+    },
+    "node_modules/@sideway/address": {
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.5.tgz",
+      "integrity": "sha512-IqO/DUQHUkPeixNQ8n0JA6102hT9CmaljNTPmQ1u8MEhBo/R4Q8eKLN/vGZxuebwOroDB4cbpjheD4+/sKFK4Q==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^9.0.0"
+      }
+    },
+    "node_modules/@sideway/formula": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/@sideway/formula/-/formula-3.0.1.tgz",
+      "integrity": "sha512-/poHZJJVjx3L+zVD6g9KgHfYnb443oi7wLu/XKojDviHy6HOEOA6z1Trk5aR1dGcmPenJEgb2sK2I80LeS3MIg==",
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/@sideway/pinpoint": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/@sideway/pinpoint/-/pinpoint-2.0.0.tgz",
+      "integrity": "sha512-RNiOoTPkptFtSVzQevY/yWtZwf/RxyVnPy/OcA9HBM3MlGDnBEYL5B41H0MTn0Uec8Hi+2qUtTfG2WWZBmMejQ==",
+      "license": "BSD-3-Clause"
+    },
     "node_modules/asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -284,6 +321,19 @@
         "hjson": "bin/hjson"
       }
     },
+    "node_modules/joi": {
+      "version": "17.13.3",
+      "resolved": "https://registry.npmjs.org/joi/-/joi-17.13.3.tgz",
+      "integrity": "sha512-otDA4ldcIx+ZXsKHWmp0YizCweVRZG96J10b0FevjfuncLO1oX59THoAmHkNubYJ+9gWsYsp5k8v4ib6oDv1fA==",
+      "license": "BSD-3-Clause",
+      "dependencies": {
+        "@hapi/hoek": "^9.3.0",
+        "@hapi/topo": "^5.1.0",
+        "@sideway/address": "^4.1.5",
+        "@sideway/formula": "^3.0.1",
+        "@sideway/pinpoint": "^2.0.0"
+      }
+    },
     "node_modules/long-timeout": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/long-timeout/-/long-timeout-0.1.1.tgz",

package.json

@@ -16,6 +16,7 @@
     "axios": "^1.8.4",
     "cron-validator": "^1.3.1",
     "hjson": "^3.2.2",
+    "joi": "^17.13.3",
     "node-schedule": "^2.1.1"
   }
 }