Fix duplicated lists.

Thanks to xet7 !

Fixes #5952

fix-duplicate-lists.js

@@ -0,0 +1,286 @@
+#!/usr/bin/env node
+
+/**
+ * Standalone script to fix duplicate lists created by WeKan 8.10
+ * 
+ * Usage:
+ *   node fix-duplicate-lists.js
+ * 
+ * This script will:
+ * 1. Connect to the MongoDB database
+ * 2. Identify boards with duplicate lists/swimlanes
+ * 3. Fix the duplicates by merging them
+ * 4. Report the results
+ */
+
+const { MongoClient } = require('mongodb');
+
+// Configuration - adjust these for your setup
+const MONGO_URL = process.env.MONGO_URL || 'mongodb://localhost:27017/wekan';
+const DB_NAME = process.env.MONGO_DB_NAME || 'wekan';
+
+class DuplicateListsFixer {
+  constructor() {
+    this.client = null;
+    this.db = null;
+  }
+
+  async connect() {
+    console.log('Connecting to MongoDB...');
+    this.client = new MongoClient(MONGO_URL);
+    await this.client.connect();
+    this.db = this.client.db(DB_NAME);
+    console.log('Connected to MongoDB');
+  }
+
+  async disconnect() {
+    if (this.client) {
+      await this.client.close();
+      console.log('Disconnected from MongoDB');
+    }
+  }
+
+  async getReport() {
+    console.log('Analyzing boards for duplicate lists...');
+    
+    const boards = await this.db.collection('boards').find({}).toArray();
+    const report = [];
+
+    for (const board of boards) {
+      const swimlanes = await this.db.collection('swimlanes').find({ boardId: board._id }).toArray();
+      const lists = await this.db.collection('lists').find({ boardId: board._id }).toArray();
+      
+      // Check for duplicate swimlanes
+      const swimlaneGroups = {};
+      swimlanes.forEach(swimlane => {
+        const key = swimlane.title || 'Default';
+        if (!swimlaneGroups[key]) {
+          swimlaneGroups[key] = [];
+        }
+        swimlaneGroups[key].push(swimlane);
+      });
+
+      // Check for duplicate lists
+      const listGroups = {};
+      lists.forEach(list => {
+        const key = `${list.swimlaneId || 'null'}-${list.title}`;
+        if (!listGroups[key]) {
+          listGroups[key] = [];
+        }
+        listGroups[key].push(list);
+      });
+
+      const duplicateSwimlanes = Object.values(swimlaneGroups).filter(group => group.length > 1);
+      const duplicateLists = Object.values(listGroups).filter(group => group.length > 1);
+
+      if (duplicateSwimlanes.length > 0 || duplicateLists.length > 0) {
+        report.push({
+          boardId: board._id,
+          boardTitle: board.title,
+          duplicateSwimlanes: duplicateSwimlanes.length,
+          duplicateLists: duplicateLists.length,
+          totalSwimlanes: swimlanes.length,
+          totalLists: lists.length
+        });
+      }
+    }
+
+    return {
+      totalBoards: boards.length,
+      boardsWithDuplicates: report.length,
+      report
+    };
+  }
+
+  async fixBoard(boardId) {
+    console.log(`Fixing duplicate lists for board ${boardId}...`);
+    
+    // Fix duplicate swimlanes
+    const swimlaneResult = await this.fixDuplicateSwimlanes(boardId);
+    
+    // Fix duplicate lists
+    const listResult = await this.fixDuplicateLists(boardId);
+    
+    return {
+      boardId,
+      fixedSwimlanes: swimlaneResult.fixed,
+      fixedLists: listResult.fixed,
+      fixed: swimlaneResult.fixed + listResult.fixed
+    };
+  }
+
+  async fixDuplicateSwimlanes(boardId) {
+    const swimlanes = await this.db.collection('swimlanes').find({ boardId }).toArray();
+    const swimlaneGroups = {};
+    let fixed = 0;
+
+    // Group swimlanes by title
+    swimlanes.forEach(swimlane => {
+      const key = swimlane.title || 'Default';
+      if (!swimlaneGroups[key]) {
+        swimlaneGroups[key] = [];
+      }
+      swimlaneGroups[key].push(swimlane);
+    });
+
+    // For each group with duplicates, keep the oldest and remove the rest
+    for (const [title, group] of Object.entries(swimlaneGroups)) {
+      if (group.length > 1) {
+        // Sort by creation date, keep the oldest
+        group.sort((a, b) => new Date(a.createdAt || 0) - new Date(b.createdAt || 0));
+        const keepSwimlane = group[0];
+        const removeSwimlanes = group.slice(1);
+
+        console.log(`Found ${group.length} duplicate swimlanes with title "${title}", keeping oldest (${keepSwimlane._id})`);
+
+        // Move all lists from duplicate swimlanes to the kept swimlane
+        for (const swimlane of removeSwimlanes) {
+          const lists = await this.db.collection('lists').find({ swimlaneId: swimlane._id }).toArray();
+          for (const list of lists) {
+            // Check if a list with the same title already exists in the kept swimlane
+            const existingList = await this.db.collection('lists').findOne({
+              boardId,
+              swimlaneId: keepSwimlane._id,
+              title: list.title
+            });
+
+            if (existingList) {
+              // Move cards to existing list
+              await this.db.collection('cards').updateMany(
+                { listId: list._id },
+                { $set: { listId: existingList._id } }
+              );
+              // Remove duplicate list
+              await this.db.collection('lists').deleteOne({ _id: list._id });
+              console.log(`Moved cards from duplicate list "${list.title}" to existing list in kept swimlane`);
+            } else {
+              // Move list to kept swimlane
+              await this.db.collection('lists').updateOne(
+                { _id: list._id },
+                { $set: { swimlaneId: keepSwimlane._id } }
+              );
+              console.log(`Moved list "${list.title}" to kept swimlane`);
+            }
+          }
+
+          // Remove duplicate swimlane
+          await this.db.collection('swimlanes').deleteOne({ _id: swimlane._id });
+          fixed++;
+        }
+      }
+    }
+
+    return { fixed };
+  }
+
+  async fixDuplicateLists(boardId) {
+    const lists = await this.db.collection('lists').find({ boardId }).toArray();
+    const listGroups = {};
+    let fixed = 0;
+
+    // Group lists by title and swimlaneId
+    lists.forEach(list => {
+      const key = `${list.swimlaneId || 'null'}-${list.title}`;
+      if (!listGroups[key]) {
+        listGroups[key] = [];
+      }
+      listGroups[key].push(list);
+    });
+
+    // For each group with duplicates, keep the oldest and remove the rest
+    for (const [key, group] of Object.entries(listGroups)) {
+      if (group.length > 1) {
+        // Sort by creation date, keep the oldest
+        group.sort((a, b) => new Date(a.createdAt || 0) - new Date(b.createdAt || 0));
+        const keepList = group[0];
+        const removeLists = group.slice(1);
+
+        console.log(`Found ${group.length} duplicate lists with title "${keepList.title}" in swimlane ${keepList.swimlaneId}, keeping oldest (${keepList._id})`);
+
+        // Move all cards from duplicate lists to the kept list
+        for (const list of removeLists) {
+          await this.db.collection('cards').updateMany(
+            { listId: list._id },
+            { $set: { listId: keepList._id } }
+          );
+          
+          // Remove duplicate list
+          await this.db.collection('lists').deleteOne({ _id: list._id });
+          fixed++;
+          console.log(`Moved cards from duplicate list "${list.title}" to kept list`);
+        }
+      }
+    }
+
+    return { fixed };
+  }
+
+  async fixAllBoards() {
+    console.log('Starting duplicate lists fix for all boards...');
+    
+    const allBoards = await this.db.collection('boards').find({}).toArray();
+    let totalFixed = 0;
+    let totalBoardsProcessed = 0;
+
+    for (const board of allBoards) {
+      try {
+        const result = await this.fixBoard(board._id);
+        totalFixed += result.fixed;
+        totalBoardsProcessed++;
+        
+        if (result.fixed > 0) {
+          console.log(`Fixed ${result.fixed} duplicate lists in board "${board.title}" (${board._id})`);
+        }
+      } catch (error) {
+        console.error(`Error fixing board ${board._id}:`, error);
+      }
+    }
+
+    console.log(`Duplicate lists fix completed. Processed ${totalBoardsProcessed} boards, fixed ${totalFixed} duplicate lists.`);
+    
+    return {
+      message: `Fixed ${totalFixed} duplicate lists across ${totalBoardsProcessed} boards`,
+      totalFixed,
+      totalBoardsProcessed
+    };
+  }
+}
+
+// Main execution
+async function main() {
+  const fixer = new DuplicateListsFixer();
+  
+  try {
+    await fixer.connect();
+    
+    // Get report first
+    const report = await fixer.getReport();
+    
+    if (report.boardsWithDuplicates === 0) {
+      console.log('No duplicate lists found!');
+      return;
+    }
+
+    console.log(`Found ${report.boardsWithDuplicates} boards with duplicate lists:`);
+    report.report.forEach(board => {
+      console.log(`- Board "${board.boardTitle}" (${board.boardId}): ${board.duplicateSwimlanes} duplicate swimlanes, ${board.duplicateLists} duplicate lists`);
+    });
+
+    // Perform the fix
+    const result = await fixer.fixAllBoards();
+    console.log('Fix completed:', result);
+    
+  } catch (error) {
+    console.error('Error:', error);
+    process.exit(1);
+  } finally {
+    await fixer.disconnect();
+  }
+}
+
+// Run if called directly
+if (require.main === module) {
+  main();
+}
+
+module.exports = DuplicateListsFixer;