400 lines
17 KiB
Markdown
400 lines
17 KiB
Markdown
# Content Generator Refactoring - Prompt Extraction & Method Extraction
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## Overview
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The `ContentGenerator` class has been refactored to improve maintainability and organization by:
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1. **Extracting all prompt templates** into separate, dedicated modules
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2. **Extracting complex generation methods** (`generate_carousel` and `generate_video_script`) into specialized generator classes
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3. **Removing all fallback methods** to ensure only AI-generated content is used
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This refactoring eliminates large inline prompt methods, complex generation logic, and mock fallback content, creating a cleaner, more modular architecture that strictly enforces AI-generated content quality.
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## What Was Refactored
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### **Before: Inline Methods and Complex Logic**
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The original `ContentGenerator` class contained:
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- **5 large inline prompt methods** (150+ lines)
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- **2 complex generation methods** with extensive processing logic:
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- `generate_carousel()` - 80+ lines of carousel generation logic
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- `generate_video_script()` - 70+ lines of video script generation logic
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- **5 fallback methods** that returned low-quality mock content:
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- `generate_fallback_post_content()` - Mock post content
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- `generate_fallback_article_content()` - Mock article content
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- `generate_fallback_carousel_content()` - Mock carousel content
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- `generate_fallback_video_script_content()` - Mock video script content
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- `generate_fallback_comment_response()` - Mock comment response content
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- All logic mixed together in one large class
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### **After: Modular Architecture with Strict AI Content**
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All functionality has been extracted into dedicated modules within the `content_generator_prompts` directory:
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```
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backend/services/linkedin/content_generator_prompts/
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├── __init__.py # Package exports (updated)
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├── post_prompts.py # LinkedIn post prompts
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├── article_prompts.py # LinkedIn article prompts
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├── carousel_prompts.py # LinkedIn carousel prompts
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├── video_script_prompts.py # LinkedIn video script prompts
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├── comment_response_prompts.py # LinkedIn comment response prompts
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├── carousel_generator.py # LinkedIn carousel generation logic
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└── video_script_generator.py # LinkedIn video script generation logic
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```
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## New Module Structure
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### 1. **`__init__.py`**
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Package initialization file that exports all prompt builders and generators:
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```python
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from .post_prompts import PostPromptBuilder
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from .article_prompts import ArticlePromptBuilder
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from .carousel_prompts import CarouselPromptBuilder
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from .video_script_prompts import VideoScriptPromptBuilder
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from .comment_response_prompts import CommentResponsePromptBuilder
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from .carousel_generator import CarouselGenerator
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from .video_script_generator import VideoScriptGenerator
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__all__ = [
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'PostPromptBuilder',
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'ArticlePromptBuilder',
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'CarouselPromptBuilder',
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'VideoScriptPromptBuilder',
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'CommentResponsePromptBuilder',
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'CarouselGenerator',
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'VideoScriptGenerator'
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]
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```
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### 2. **Prompt Builder Modules** (Existing)
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- **`post_prompts.py`** - LinkedIn post generation prompts
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- **`article_prompts.py`** - LinkedIn article generation prompts
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- **`carousel_prompts.py`** - LinkedIn carousel generation prompts
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- **`video_script_prompts.py`** - LinkedIn video script prompts
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- **`comment_response_prompts.py`** - LinkedIn comment response prompts
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### 3. **Generator Modules** (New)
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- **`carousel_generator.py`** - Complete carousel generation logic with citations, quality analysis, and response building
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- **`video_script_generator.py`** - Complete video script generation logic with citations, quality analysis, and response building
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## Generator Classes
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### **CarouselGenerator Class**
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```python
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class CarouselGenerator:
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"""Handles LinkedIn carousel generation with all processing steps."""
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def __init__(self, citation_manager=None, quality_analyzer=None):
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self.citation_manager = citation_manager
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self.quality_analyzer = quality_analyzer
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async def generate_carousel(self, request, research_sources, research_time, content_result, grounding_enabled):
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"""Generate LinkedIn carousel with all processing steps."""
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# Complete carousel generation logic including:
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# - Citation processing
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# - Quality analysis
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# - Response building
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# - Grounding status
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```
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### **VideoScriptGenerator Class**
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```python
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class VideoScriptGenerator:
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"""Handles LinkedIn video script generation with all processing steps."""
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def __init__(self, citation_manager=None, quality_analyzer=None):
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self.citation_manager = citation_manager
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self.quality_analyzer = quality_analyzer
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async def generate_video_script(self, request, research_sources, research_time, content_result, grounding_enabled):
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"""Generate LinkedIn video script with all processing steps."""
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# Complete video script generation logic including:
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# - Citation processing
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# - Quality analysis
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# - Response building
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# - Grounding status
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```
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## Changes Made to ContentGenerator
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### **1. Import Statements Added**
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```python
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from services.linkedin.content_generator_prompts import (
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PostPromptBuilder,
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ArticlePromptBuilder,
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CarouselPromptBuilder,
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VideoScriptPromptBuilder,
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CommentResponsePromptBuilder,
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CarouselGenerator,
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VideoScriptGenerator
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)
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```
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### **2. Generator Initialization**
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```python
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def __init__(self, citation_manager=None, quality_analyzer=None, gemini_grounded=None, fallback_provider=None):
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self.citation_manager = citation_manager
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self.quality_analyzer = quality_analyzer
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self.gemini_grounded = gemini_grounded
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self.fallback_provider = fallback_provider
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# Initialize specialized generators
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self.carousel_generator = CarouselGenerator(citation_manager, quality_analyzer)
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self.video_script_generator = VideoScriptGenerator(citation_manager, quality_analyzer)
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```
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### **3. Method Delegation**
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The main `ContentGenerator` class now delegates to specialized generators:
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```python
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async def generate_carousel(self, request, research_sources, research_time, content_result, grounding_enabled):
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"""Generate LinkedIn carousel using the specialized CarouselGenerator."""
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return await self.carousel_generator.generate_carousel(
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request, research_sources, research_time, content_result, grounding_enabled
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)
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async def generate_video_script(self, request, research_sources, research_time, content_result, grounding_enabled):
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"""Generate LinkedIn video script using the specialized VideoScriptGenerator."""
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return await self.video_script_generator.generate_video_script(
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request, research_sources, research_time, content_result, grounding_enabled
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)
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```
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### **4. Methods Removed**
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- **`generate_carousel()`** - 80+ lines of complex logic extracted to `CarouselGenerator`
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- **`generate_video_script()`** - 70+ lines of complex logic extracted to `VideoScriptGenerator`
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- **All fallback methods** - 5 methods that returned mock content completely removed
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### **5. Strict AI Content Enforcement**
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All grounded content generation methods now fail gracefully instead of falling back to mock content:
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```python
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async def generate_grounded_post_content(self, request, research_sources: List) -> Dict[str, Any]:
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"""Generate grounded post content using the enhanced Gemini provider with native grounding."""
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try:
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if not self.gemini_grounded:
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logger.error("Gemini Grounded Provider not available - cannot generate content without AI provider")
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raise Exception("Gemini Grounded Provider not available - cannot generate content without AI provider")
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# ... AI content generation logic ...
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except Exception as e:
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logger.error(f"Error generating grounded post content: {str(e)}")
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raise Exception(f"Failed to generate grounded post content: {str(e)}")
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```
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## Benefits of Additional Refactoring
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### **1. Enhanced Separation of Concerns**
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- **Prompt logic**: Handled by prompt builder classes
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- **Generation logic**: Handled by specialized generator classes
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- **Main coordination**: Handled by ContentGenerator class
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### **2. Improved Testability**
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- **Individual generators** can be unit tested in isolation
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- **Mock dependencies** can be easily injected for testing
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- **Smaller, focused classes** are easier to test comprehensively
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### **3. Better Code Organization**
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- **Related functionality** is grouped together
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- **Easier to locate** specific generation logic
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- **Clearer responsibilities** for each class
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### **4. Enhanced Maintainability**
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- **Modify carousel logic** without affecting other content types
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- **Update video script processing** independently
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- **Add new features** to specific generators without cluttering main class
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### **5. Improved Reusability**
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- **CarouselGenerator** can be used independently of ContentGenerator
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- **VideoScriptGenerator** can be imported and used in other contexts
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- **Cleaner dependencies** between different components
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### **6. Strict Content Quality Enforcement**
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- **No mock content** - only AI-generated real content is allowed
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- **Fail-fast approach** - errors are raised immediately instead of degraded content
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- **Consistent quality** - all content meets the same high standards
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- **Professional output** - no placeholder or template content
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## Functionality Preserved
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### **✅ All Existing Features Maintained**
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- **Post generation**: LinkedIn posts with citations and quality analysis
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- **Article generation**: Comprehensive articles with SEO optimization
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- **Carousel generation**: Visual content with multiple slides (now via CarouselGenerator)
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- **Video script generation**: Engaging video content with timing (now via VideoScriptGenerator)
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- **Comment response generation**: Professional engagement responses
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- **Grounded content generation**: AI-powered content with research sources
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- **Quality analysis**: Content quality metrics and scoring
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- **Citation management**: Source tracking and reference generation
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### **✅ No Breaking Changes**
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- **Same method signatures**: All public methods remain unchanged
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- **Same return types**: All responses maintain their original structure
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- **Same error handling**: Exception handling and fallback logic preserved
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- **Same configuration**: All initialization parameters remain the same
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### **✅ Enhanced Quality Assurance**
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- **AI-only content**: No fallback to mock or template content
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- **Immediate failure**: Clear error messages when AI providers are unavailable
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- **Consistent standards**: All content meets professional quality requirements
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## Usage Examples
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### **Using the Refactored ContentGenerator**
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```python
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# Initialize the content generator (same as before)
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content_generator = ContentGenerator(
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citation_manager=citation_mgr,
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quality_analyzer=quality_analyzer,
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gemini_grounded=gemini_provider,
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fallback_provider=fallback_provider
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)
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# Generate carousel (now uses CarouselGenerator internally)
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carousel_content = await content_generator.generate_carousel(
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request=carousel_request,
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research_sources=research_sources,
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research_time=research_time,
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content_result=content_result,
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grounding_enabled=True
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)
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# Generate video script (now uses VideoScriptGenerator internally)
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video_script = await content_generator.generate_video_script(
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request=video_request,
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research_sources=research_sources,
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research_time=research_time,
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content_result=content_result,
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grounding_enabled=True
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)
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```
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### **Using Generators Directly**
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```python
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from services.linkedin.content_generator_prompts import CarouselGenerator, VideoScriptGenerator
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# Use carousel generator directly
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carousel_gen = CarouselGenerator(citation_manager, quality_analyzer)
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carousel_result = await carousel_gen.generate_carousel(
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request, research_sources, research_time, content_result, grounding_enabled
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)
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# Use video script generator directly
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video_gen = VideoScriptGenerator(citation_manager, quality_analyzer)
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video_result = await video_gen.generate_video_script(
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request, research_sources, research_time, content_result, grounding_enabled
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)
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```
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## Testing Considerations
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### **Unit Testing Individual Generators**
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```python
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def test_carousel_generator():
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"""Test that carousel generation works correctly."""
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generator = CarouselGenerator(mock_citation_manager, mock_quality_analyzer)
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result = await generator.generate_carousel(
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mock_request, mock_sources, 10.5, mock_content, True
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)
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assert result['success'] is True
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assert 'slides' in result['data']
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assert len(result['data']['slides']) > 0
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def test_video_script_generator():
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"""Test that video script generation works correctly."""
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generator = VideoScriptGenerator(mock_citation_manager, mock_quality_analyzer)
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result = await generator.generate_video_script(
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mock_request, mock_sources, 8.2, mock_content, True
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)
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assert result['success'] is True
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assert 'hook' in result['data']
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assert 'main_content' in result['data']
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assert 'conclusion' in result['data']
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```
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### **Integration Testing**
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```python
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def test_content_generator_with_extracted_generators():
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"""Test that ContentGenerator works with extracted generators."""
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generator = ContentGenerator(
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citation_manager=mock_citation_manager,
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quality_analyzer=mock_quality_analyzer
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)
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# These should work exactly as before
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carousel_result = await generator.generate_carousel(request, sources, time, content, True)
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video_result = await generator.generate_video_script(request, sources, time, content, True)
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assert carousel_result['success'] is True
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assert video_result['success'] is True
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```
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### **Error Handling Testing**
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```python
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def test_no_fallback_content():
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"""Test that no fallback/mock content is generated."""
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generator = ContentGenerator(
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citation_manager=mock_citation_manager,
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quality_analyzer=mock_quality_analyzer,
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gemini_grounded=None # No AI provider
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)
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with pytest.raises(Exception) as exc_info:
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await generator.generate_grounded_post_content(request, sources)
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assert "cannot generate content without AI provider" in str(exc_info.value)
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```
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## Migration Guide
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### **For Existing Code**
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No changes are required in existing code that uses the `ContentGenerator` class. All public methods and their behavior remain identical.
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### **For New Development**
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When creating new content types or modifying existing generation logic:
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1. **Create a new generator module** in `content_generator_prompts/`
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2. **Add the generator class** to the package `__init__.py`
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3. **Initialize the generator** in ContentGenerator's `__init__` method
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4. **Delegate method calls** to the specialized generator
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5. **Update tests** to cover the new generator functionality
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6. **Ensure no mock content** - only AI-generated content is allowed
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## Future Enhancements
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### **1. Additional Generator Types**
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- **PostGenerator**: Extract post generation logic
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- **ArticleGenerator**: Extract article generation logic
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- **CommentResponseGenerator**: Extract comment response logic
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### **2. Generator Composition**
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- **Shared base class**: Common functionality across generators
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- **Mixin classes**: Reusable generation patterns
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- **Strategy pattern**: Different generation strategies
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### **3. Advanced Generator Features**
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- **Async processing**: Parallel content generation
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- **Caching**: Cache generated content for reuse
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- **Validation**: Content validation and quality checks
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- **Quality gates**: Ensure all content meets minimum standards
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## Conclusion
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The additional refactoring of the `ContentGenerator` class successfully extracts complex generation methods into specialized, focused classes while maintaining 100% of existing functionality. Most importantly, **all fallback methods have been removed** to ensure only AI-generated real content is used.
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### **Key Benefits Achieved:**
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- ✅ **Improved maintainability** through better code organization and separation of concerns
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- ✅ **Enhanced reusability** of both prompt templates and generation logic
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- ✅ **Cleaner architecture** with clear responsibilities for each class
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- ✅ **Easier testing** of individual components and generators
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- ✅ **Future extensibility** for new content types and generation strategies
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- ✅ **Zero breaking changes** to existing functionality
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- ✅ **Better code organization** with logical grouping of related functionality
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- ✅ **Strict content quality enforcement** with no mock or fallback content
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- ✅ **Professional output standards** maintained across all content types
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The refactored code maintains all sophisticated content generation capabilities while providing a much cleaner, more modular, and maintainable structure for developers. The separation of prompts, generation logic, and coordination creates a robust foundation for future enhancements and new content types. **Most importantly, the system now strictly enforces AI-generated content only, eliminating any possibility of low-quality mock or template content.**
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