Add batch server and group creation functionality (#499)

src/controllers/groupController.ts

@@ -1,5 +1,11 @@
 import { Request, Response } from 'express';
-import { ApiResponse } from '../types/index.js';
+import {
+  ApiResponse,
+  AddGroupRequest,
+  BatchCreateGroupsRequest,
+  BatchCreateGroupsResponse,
+  BatchGroupResult,
+} from '../types/index.js';
 import {
   getAllGroups,
   getGroupByIdOrName,
@@ -106,6 +112,143 @@ export const createNewGroup = async (req: Request, res: Response): Promise<void>
   }
 };
 
+// Batch create groups - validates and creates multiple groups in one request
+export const batchCreateGroups = async (req: Request, res: Response): Promise<void> => {
+  try {
+    const { groups } = req.body as BatchCreateGroupsRequest;
+
+    // Validate request body
+    if (!groups || !Array.isArray(groups)) {
+      res.status(400).json({
+        success: false,
+        message: 'Request body must contain a "groups" array',
+      });
+      return;
+    }
+
+    if (groups.length === 0) {
+      res.status(400).json({
+        success: false,
+        message: 'Groups array cannot be empty',
+      });
+      return;
+    }
+
+    // Helper function to validate a single group configuration
+    const validateGroupConfig = (group: AddGroupRequest): { valid: boolean; message?: string } => {
+      if (!group.name || typeof group.name !== 'string') {
+        return { valid: false, message: 'Group name is required and must be a string' };
+      }
+
+      if (group.description !== undefined && typeof group.description !== 'string') {
+        return { valid: false, message: 'Group description must be a string' };
+      }
+
+      if (group.servers !== undefined && !Array.isArray(group.servers)) {
+        return { valid: false, message: 'Group servers must be an array' };
+      }
+
+      // Validate server configurations if provided in new format
+      if (group.servers) {
+        for (const server of group.servers) {
+          if (typeof server === 'object' && server !== null) {
+            if (!server.name || typeof server.name !== 'string') {
+              return {
+                valid: false,
+                message: 'Server configuration must have a name property',
+              };
+            }
+
+            if (
+              server.tools !== undefined &&
+              server.tools !== 'all' &&
+              !Array.isArray(server.tools)
+            ) {
+              return {
+                valid: false,
+                message: 'Server tools must be "all" or an array of tool names',
+              };
+            }
+          }
+        }
+      }
+
+      return { valid: true };
+    };
+
+    // Process each group
+    const results: BatchGroupResult[] = [];
+    let successCount = 0;
+    let failureCount = 0;
+
+    // Get current user for owner field
+    const currentUser = (req as any).user;
+    const defaultOwner = currentUser?.username || 'admin';
+
+    for (const groupData of groups) {
+      const { name, description, servers } = groupData;
+
+      // Validate group configuration
+      const validation = validateGroupConfig(groupData);
+      if (!validation.valid) {
+        results.push({
+          name: name || 'unknown',
+          success: false,
+          message: validation.message,
+        });
+        failureCount++;
+        continue;
+      }
+
+      try {
+        const serverList = Array.isArray(servers) ? servers : [];
+        const newGroup = await createGroup(name, description, serverList, defaultOwner);
+
+        if (newGroup) {
+          results.push({
+            name,
+            success: true,
+            message: 'Group created successfully',
+          });
+          successCount++;
+        } else {
+          results.push({
+            name,
+            success: false,
+            message: 'Failed to create group or group name already exists',
+          });
+          failureCount++;
+        }
+      } catch (error) {
+        results.push({
+          name,
+          success: false,
+          message: error instanceof Error ? error.message : 'Failed to create group',
+        });
+        failureCount++;
+      }
+    }
+
+    // Return response
+    const response: BatchCreateGroupsResponse = {
+      success: successCount > 0,
+      successCount,
+      failureCount,
+      results,
+    };
+
+    // Use 207 Multi-Status if there were partial failures, 200 if all succeeded
+    const statusCode = failureCount > 0 && successCount > 0 ? 207 : successCount > 0 ? 200 : 400;
+    res.status(statusCode).json(response);
+  } catch (error) {
+    console.error('Batch create groups error:', error);
+    res.status(500).json({
+      success: false,
+      message: 'Internal server error',
+    });
+  }
+};
+
 // Update an existing group
 export const updateExistingGroup = async (req: Request, res: Response): Promise<void> => {
   try {