北斗短报文通信服务平台

app/core/base_service.js

@@ -0,0 +1,50 @@
+const { Service } = require('egg');
+
+const sha256 = require("crypto-js/sha256");
+
+const CryptoJS = require("crypto-js");
+
+const KEY = CryptoJS.enc.Utf8.parse('BDQH');
+
+class BaseService extends Service {
+    shaForm = (body, salt) => {
+        return sha256(sha256(body).toString() + salt).toString();
+    }
+
+    encryptRequest = (body) => {
+        return CryptoJS.AES.encrypt(body, KEY, {
+            mode: CryptoJS.mode.ECB,
+            padding: CryptoJS.pad.Pkcs7
+        }).toString();
+    }
+
+    decryptRequest = (body) => {
+        return CryptoJS.AES.decrypt(body, KEY, {
+            mode: CryptoJS.mode.ECB,
+            padding: CryptoJS.pad.Pkcs7
+        }).toString(CryptoJS.enc.Utf8);
+    }
+
+    opOptions = (attributes, searchOptions, substring, key, between, sortOptions) => {
+        let where = {}, order = [];
+        attributes.forEach(element => {
+            if (searchOptions[element]) {
+                if (substring.includes(element)) {
+                    where[element] = { [Op.substring]: searchOptions[element] };
+                } else if (key.includes(element)) {
+                    where[element] = searchOptions[element];
+                } else if (between.includes(element)) {
+                    where[element] = { [Op.between]: [searchOptions[element][0], searchOptions[element][1]] };
+                }
+            }
+            if (!sortOptions[element]) {
+                order.push([element, 'DESC']);
+            } else if (sortOptions[element]) {
+                order.push([element, 'ASC']);
+            }
+        });
+        return { where, order }
+    }
+}
+
+module.exports = BaseService;