Add missing model files: post.py and category.py

models/post.py

@@ -0,0 +1,116 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Post Model (for future blog functionality)
+
+from typing import Optional, Dict, List
+from .database import db_manager
+from datetime import datetime
+
+class Post:
+    def __init__(self, **kwargs):
+        self.id = kwargs.get('id')
+        self.title = kwargs.get('title')
+        self.slug = kwargs.get('slug')
+        self.excerpt = kwargs.get('excerpt')
+        self.content = kwargs.get('content')
+        self.featured_image = kwargs.get('featured_image')
+        self.category_id = kwargs.get('category_id')
+        self.author_id = kwargs.get('author_id')
+        self.is_published = kwargs.get('is_published', False)
+        self.published_at = kwargs.get('published_at')
+        self.created_at = kwargs.get('created_at')
+        self.updated_at = kwargs.get('updated_at')
+    
+    async def save(self) -> int:
+        """Save post to database"""
+        if self.id:
+            # Update existing post
+            query = """
+                UPDATE posts SET 
+                title=%s, slug=%s, excerpt=%s, content=%s, featured_image=%s,
+                category_id=%s, is_published=%s, published_at=%s, updated_at=NOW()
+                WHERE id=%s
+            """
+            params = (self.title, self.slug, self.excerpt, self.content, self.featured_image,
+                     self.category_id, self.is_published, self.published_at, self.id)
+            await db_manager.execute_update(query, params)
+            return self.id
+        else:
+            # Insert new post
+            query = """
+                INSERT INTO posts (title, slug, excerpt, content, featured_image, category_id, 
+                                 author_id, is_published, published_at)
+                VALUES (%s, %s, %s, %s, %s, %s, %s, %s, %s)
+            """
+            params = (self.title, self.slug, self.excerpt, self.content, self.featured_image,
+                     self.category_id, self.author_id, self.is_published, self.published_at)
+            post_id = await db_manager.execute_insert(query, params)
+            self.id = post_id
+            return post_id
+    
+    @classmethod
+    async def find_by_id(cls, post_id: int) -> Optional['Post']:
+        """Find post by ID"""
+        query = "SELECT * FROM posts WHERE id = %s"
+        results = await db_manager.execute_query(query, (post_id,))
+        if results:
+            return cls(**results[0])
+        return None
+    
+    @classmethod
+    async def find_by_slug(cls, slug: str) -> Optional['Post']:
+        """Find post by slug"""
+        query = "SELECT * FROM posts WHERE slug = %s AND is_published = TRUE"
+        results = await db_manager.execute_query(query, (slug,))
+        if results:
+            return cls(**results[0])
+        return None
+    
+    @classmethod
+    async def get_all(cls, published_only: bool = True, limit: int = 50, offset: int = 0) -> List['Post']:
+        """Get all posts with pagination"""
+        query = "SELECT * FROM posts"
+        params = []
+        
+        if published_only:
+            query += " WHERE is_published = TRUE"
+        
+        query += " ORDER BY created_at DESC LIMIT %s OFFSET %s"
+        params.extend([limit, offset])
+        
+        results = await db_manager.execute_query(query, tuple(params))
+        return [cls(**row) for row in results]
+    
+    @classmethod
+    async def count(cls, published_only: bool = True) -> int:
+        """Count total posts"""
+        query = "SELECT COUNT(*) as count FROM posts"
+        if published_only:
+            query += " WHERE is_published = TRUE"
+        
+        results = await db_manager.execute_query(query)
+        return results[0]['count'] if results else 0
+    
+    async def delete(self) -> bool:
+        """Delete post"""
+        query = "DELETE FROM posts WHERE id = %s"
+        affected = await db_manager.execute_update(query, (self.id,))
+        return affected > 0
+    
+    def to_dict(self) -> Dict:
+        """Convert post to dictionary"""
+        return {
+            'id': self.id,
+            'title': self.title,
+            'slug': self.slug,
+            'excerpt': self.excerpt,
+            'content': self.content,
+            'featured_image': self.featured_image,
+            'category_id': self.category_id,
+            'author_id': self.author_id,
+            'is_published': self.is_published,
+            'published_at': self.published_at.isoformat() if self.published_at else None,
+            'created_at': self.created_at.isoformat() if self.created_at else None,
+            'updated_at': self.updated_at.isoformat() if self.updated_at else None
+        }