Knowledge Sharing Tools - Complete Guide

# Knowledge Base Implementation

class KnowledgeBase {
  constructor() {
    this.categories = {
      technical: new TechnicalDocumentation(),
      processes: new ProcessDocumentation(),
      onboarding: new OnboardingDocumentation(),
      troubleshooting: new TroubleshootingDocumentation()
    };
    this.searchEngine = new SearchEngine();
    this.analytics = new KnowledgeAnalytics();
  }
  
  addDocument(category, document) {
    const doc = this.categories[category].addDocument(document);
    this.searchEngine.indexDocument(doc);
    this.analytics.trackDocumentCreation(doc);
    return doc;
  }
  
  searchDocuments(query) {
    return this.searchEngine.search(query);
  }
  
  getAnalytics() {
    return this.analytics.getMetrics();
  }
}

class TechnicalDocumentation {
  constructor() {
    this.documents = [];
    this.templates = {
      api: new APIDocumentationTemplate(),
      architecture: new ArchitectureDocumentationTemplate(),
      deployment: new DeploymentDocumentationTemplate()
    };
  }
  
  addDocument(document) {
    const doc = {
      id: this.generateId(),
      title: document.title,
      content: document.content,
      type: document.type,
      author: document.author,
      createdAt: new Date(),
      updatedAt: new Date(),
      tags: document.tags || [],
      category: 'technical'
    };
    
    this.documents.push(doc);
    return doc;
  }
  
  generateId() {
    return 'TECH_' + Date.now() + '_' + Math.random().toString(36).substr(2, 9);
  }
}

class ProcessDocumentation {
  constructor() {
    this.processes = [];
    this.workflows = [];
  }
  
  addProcess(process) {
    const proc = {
      id: this.generateId(),
      name: process.name,
      description: process.description,
      steps: process.steps,
      responsible: process.responsible,
      timeline: process.timeline,
      tools: process.tools,
      createdAt: new Date()
    };
    
    this.processes.push(proc);
    return proc;
  }
  
  generateId() {
    return 'PROC_' + Date.now() + '_' + Math.random().toString(36).substr(2, 9);
  }
}

class SearchEngine {
  constructor() {
    this.index = new Map();
    this.stopWords = ['the', 'a', 'an', 'and', 'or', 'but', 'in', 'on', 'at', 'to', 'for', 'of', 'with', 'by'];
  }
  
  indexDocument(document) {
    const words = this.extractWords(document.content + ' ' + document.title);
    
    words.forEach(word => {
      if (!this.index.has(word)) {
        this.index.set(word, []);
      }
      this.index.get(word).push({
        documentId: document.id,
        title: document.title,
        category: document.category,
        relevance: this.calculateRelevance(word, document)
      });
    });
  }
  
  search(query) {
    const queryWords = this.extractWords(query);
    const results = new Map();
    
    queryWords.forEach(word => {
      if (this.index.has(word)) {
        const documents = this.index.get(word);
        documents.forEach(doc => {
          const key = doc.documentId;
          if (!results.has(key)) {
            results.set(key, { ...doc, score: 0 });
          }
          results.get(key).score += doc.relevance;
        });
      }
    });
    
    return Array.from(results.values())
      .sort((a, b) => b.score - a.score)
      .slice(0, 10);
  }
  
  extractWords(text) {
    return text.toLowerCase()
      .replace(/[^\w\s]/g, '')
      .split(/\s+/)
      .filter(word => word.length > 2 && !this.stopWords.includes(word));
  }
  
  calculateRelevance(word, document) {
    const titleMatches = (document.title.toLowerCase().match(new RegExp(word, 'g')) || []).length;
    const contentMatches = (document.content.toLowerCase().match(new RegExp(word, 'g')) || []).length;
    
    return titleMatches * 2 + contentMatches;
  }
}