feat: crud endpoints for user-roles

src/controller/userRole.controller.js

@@ -1,7 +1,75 @@
-module.exports = {
-  getAllRoles: async (req, res, next) => {},
-  getRole: async (req, res, next) => {},
-  createRole: async (req, res, next) => {},
-  updateRole: async (req, res, next) => {},
-  deleteRole: async (req, res, next) => {},
+const mongoose = require("mongoose");
+const UserRole = require("../models/UserRole");
+const UserPermission = require("../models/UserPermission");
+
+const getValidPermissions = async (permissions) => {
+  const verifiedPermissions = permissions.filter((permission) =>
+    mongoose.isValidObjectId(permission)
+  );
+  const permissionObjects = await UserPermission.find({
+    id: { in: verifiedPermissions },
+  }).select({ _id: 1 });
+  return permissionObjects.map((_) => _._id);
+};
+
+module.exports = {
+  getAllRoles: async (req, res, next) => {
+    let { page, perPage } = req.query;
+    page = page || 0;
+    perPage = perPage || 10;
+
+    const result = await UserRole.find(
+      {},
+      {
+        id: 1,
+        name: 1,
+        permissions: 1,
+      },
+      { skip: page * perPage, limit: perPage }
+    );
+    res.send({ success: true, data: result });
+  },
+  getRole: async (req, res, next) => {
+    try {
+      const { id } = req.params;
+      if (mongoose.isValidObjectId(id)) {
+        const role = await UserRole.findById(id);
+        res.send({ success: true, data: role });
+      } else {
+        throw new Error(`invalid data format for object-id - ${id}`);
+      }
+    } catch (e) {
+      next(e);
+    }
+  },
+  createRole: async (req, res, next) => {
+    try {
+      const { name, permissions } = req.body;
+      const verifiedPermissions = getValidPermissions(permissions);
+      const newUserRole = await UserRole.create({
+        name,
+        permissions: verifiedPermissions,
+      });
+      res.send({ success: true, data: newUserRole });
+    } catch (e) {
+      next(e);
+    }
+  },
+  updateRole: async (req, res, next) => {
+    // Need more clarity
+    res.send({ success: false, error: "not implemented" });
+  },
+  deleteRole: async (req, res, next) => {
+    try {
+      const { id } = req.params;
+      if (mongoose.isValidObjectId(id)) {
+        const result = await UserRole.deleteOne({ _id: id });
+        res.send({ success: true, data: result });
+      } else {
+        throw new Error(`invalid data format for object-id - ${id}`);
+      }
+    } catch (e) {
+      next(e);
+    }
+  },
 };