forked from minzeyaphyo/burmddit
Initial Burmddit deployment - AI news aggregator in Burmese
This commit is contained in:
Zeya Phyo
266
database/schema.sql
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266
database/schema.sql
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-- Burmddit Database Schema
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-- PostgreSQL
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-- Categories table
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CREATE TABLE IF NOT EXISTS categories (
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id SERIAL PRIMARY KEY,
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name VARCHAR(100) NOT NULL UNIQUE,
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name_burmese VARCHAR(100) NOT NULL,
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slug VARCHAR(100) NOT NULL UNIQUE,
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description TEXT,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Insert default categories
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INSERT INTO categories (name, name_burmese, slug, description) VALUES
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('AI News', 'AI သတင်းများ', 'ai-news', 'Latest AI industry news and updates'),
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('AI Tutorials', 'AI သင်ခန်းစာများ', 'tutorials', 'Step-by-step guides and how-tos'),
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('Tips & Tricks', 'အကြံပြုချက်များ', 'tips-tricks', 'Productivity hacks and best practices'),
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('Upcoming Releases', 'လာမည့် ထုတ်ပြန်မှုများ', 'upcoming', 'New AI models, tools, and products')
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ON CONFLICT (slug) DO NOTHING;
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-- Articles table
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CREATE TABLE IF NOT EXISTS articles (
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id SERIAL PRIMARY KEY,
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title TEXT NOT NULL,
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title_burmese TEXT NOT NULL,
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slug VARCHAR(200) NOT NULL UNIQUE,
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content TEXT NOT NULL,
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content_burmese TEXT NOT NULL,
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excerpt TEXT,
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excerpt_burmese TEXT,
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category_id INTEGER REFERENCES categories(id),
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-- Metadata
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author VARCHAR(200) DEFAULT 'Burmddit AI',
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reading_time INTEGER, -- in minutes
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featured_image TEXT,
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images TEXT[], -- 🔥 Multiple images
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videos TEXT[], -- 🔥 Video embeds (YouTube, etc.)
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-- SEO
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meta_description TEXT,
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meta_keywords TEXT[],
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-- Source tracking
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source_articles JSONB, -- Array of source URLs
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original_sources TEXT[],
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-- Status
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status VARCHAR(20) DEFAULT 'draft', -- draft, published, archived
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published_at TIMESTAMP,
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-- Analytics
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view_count INTEGER DEFAULT 0,
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share_count INTEGER DEFAULT 0,
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-- Timestamps
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Create indexes
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CREATE INDEX idx_articles_slug ON articles(slug);
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CREATE INDEX idx_articles_category ON articles(category_id);
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CREATE INDEX idx_articles_status ON articles(status);
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CREATE INDEX idx_articles_published ON articles(published_at DESC);
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CREATE INDEX idx_articles_views ON articles(view_count DESC);
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-- Full-text search index (for Burmese content)
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CREATE INDEX idx_articles_search ON articles USING gin(to_tsvector('simple', title_burmese || ' ' || content_burmese));
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-- Raw scraped articles (before processing)
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CREATE TABLE IF NOT EXISTS raw_articles (
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id SERIAL PRIMARY KEY,
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url TEXT NOT NULL UNIQUE,
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title TEXT NOT NULL,
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content TEXT NOT NULL,
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author VARCHAR(200),
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published_date TIMESTAMP,
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source VARCHAR(100), -- medium, techcrunch, etc
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category_hint VARCHAR(50), -- detected category
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-- Processing status
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processed BOOLEAN DEFAULT FALSE,
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compiled_into INTEGER REFERENCES articles(id),
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-- Timestamps
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scraped_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX idx_raw_articles_processed ON raw_articles(processed);
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CREATE INDEX idx_raw_articles_source ON raw_articles(source);
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-- Tags table
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CREATE TABLE IF NOT EXISTS tags (
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id SERIAL PRIMARY KEY,
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name VARCHAR(100) NOT NULL UNIQUE,
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name_burmese VARCHAR(100),
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slug VARCHAR(100) NOT NULL UNIQUE,
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article_count INTEGER DEFAULT 0,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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-- Article-Tag junction table
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CREATE TABLE IF NOT EXISTS article_tags (
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article_id INTEGER REFERENCES articles(id) ON DELETE CASCADE,
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tag_id INTEGER REFERENCES tags(id) ON DELETE CASCADE,
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PRIMARY KEY (article_id, tag_id)
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);
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-- Analytics tracking
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CREATE TABLE IF NOT EXISTS page_views (
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id SERIAL PRIMARY KEY,
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article_id INTEGER REFERENCES articles(id) ON DELETE CASCADE,
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ip_hash VARCHAR(64), -- Hashed IP for privacy
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user_agent TEXT,
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referrer TEXT,
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country VARCHAR(2),
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viewed_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX idx_page_views_article ON page_views(article_id);
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CREATE INDEX idx_page_views_date ON page_views(viewed_at);
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-- Newsletter subscribers
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CREATE TABLE IF NOT EXISTS subscribers (
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id SERIAL PRIMARY KEY,
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email VARCHAR(255) NOT NULL UNIQUE,
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status VARCHAR(20) DEFAULT 'active', -- active, unsubscribed
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subscribed_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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unsubscribed_at TIMESTAMP
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);
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-- Pipeline logs (for monitoring)
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CREATE TABLE IF NOT EXISTS pipeline_logs (
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id SERIAL PRIMARY KEY,
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pipeline_run TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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stage VARCHAR(50), -- crawl, cluster, compile, translate, publish
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status VARCHAR(20), -- started, completed, failed
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articles_processed INTEGER,
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error_message TEXT,
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duration_seconds INTEGER,
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
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);
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CREATE INDEX idx_pipeline_logs_run ON pipeline_logs(pipeline_run);
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-- Create view for published articles with category info
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CREATE OR REPLACE VIEW published_articles AS
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SELECT
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a.id,
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a.title,
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a.title_burmese,
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a.slug,
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a.excerpt_burmese,
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a.featured_image,
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a.reading_time,
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a.view_count,
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a.published_at,
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c.name as category_name,
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c.name_burmese as category_name_burmese,
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c.slug as category_slug
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FROM articles a
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JOIN categories c ON a.category_id = c.id
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WHERE a.status = 'published'
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ORDER BY a.published_at DESC;
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-- Function to update article view count
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CREATE OR REPLACE FUNCTION increment_view_count(article_slug VARCHAR)
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RETURNS VOID AS $$
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BEGIN
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UPDATE articles
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SET view_count = view_count + 1,
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updated_at = CURRENT_TIMESTAMP
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WHERE slug = article_slug;
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END;
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$$ LANGUAGE plpgsql;
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-- Function to get trending articles (last 7 days, by views)
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CREATE OR REPLACE FUNCTION get_trending_articles(limit_count INTEGER DEFAULT 10)
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RETURNS TABLE (
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id INTEGER,
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title_burmese TEXT,
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slug VARCHAR,
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view_count INTEGER,
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category_name_burmese VARCHAR
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) AS $$
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BEGIN
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RETURN QUERY
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SELECT
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a.id,
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a.title_burmese,
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a.slug,
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a.view_count,
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c.name_burmese
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FROM articles a
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JOIN categories c ON a.category_id = c.id
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WHERE a.status = 'published'
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AND a.published_at >= CURRENT_TIMESTAMP - INTERVAL '7 days'
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ORDER BY a.view_count DESC
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LIMIT limit_count;
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END;
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$$ LANGUAGE plpgsql;
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-- Function to get related articles (by category and tags)
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CREATE OR REPLACE FUNCTION get_related_articles(article_id_param INTEGER, limit_count INTEGER DEFAULT 5)
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RETURNS TABLE (
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id INTEGER,
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title_burmese TEXT,
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slug VARCHAR,
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excerpt_burmese TEXT,
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featured_image TEXT
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) AS $$
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BEGIN
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RETURN QUERY
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SELECT DISTINCT
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a.id,
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a.title_burmese,
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a.slug,
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a.excerpt_burmese,
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a.featured_image
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FROM articles a
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WHERE a.id != article_id_param
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AND a.status = 'published'
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AND (
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a.category_id = (SELECT category_id FROM articles WHERE id = article_id_param)
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OR a.id IN (
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SELECT at2.article_id
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FROM article_tags at1
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JOIN article_tags at2 ON at1.tag_id = at2.tag_id
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WHERE at1.article_id = article_id_param
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AND at2.article_id != article_id_param
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)
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)
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ORDER BY a.published_at DESC
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LIMIT limit_count;
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END;
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$$ LANGUAGE plpgsql;
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-- Trigger to update updated_at timestamp
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CREATE OR REPLACE FUNCTION update_updated_at_column()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.updated_at = CURRENT_TIMESTAMP;
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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CREATE TRIGGER update_articles_updated_at
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BEFORE UPDATE ON articles
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FOR EACH ROW
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EXECUTE FUNCTION update_updated_at_column();
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-- Initial data: Some common tags
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INSERT INTO tags (name, name_burmese, slug) VALUES
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('ChatGPT', 'ChatGPT', 'chatgpt'),
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('OpenAI', 'OpenAI', 'openai'),
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('Anthropic', 'Anthropic', 'anthropic'),
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('Google', 'Google', 'google'),
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('Machine Learning', 'စက်သင်ယူမှု', 'machine-learning'),
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('Deep Learning', 'နက်ရှိုင်းသောသင်ယူမှု', 'deep-learning'),
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('GPT-4', 'GPT-4', 'gpt-4'),
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('Claude', 'Claude', 'claude'),
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('Prompt Engineering', 'Prompt Engineering', 'prompt-engineering'),
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('AI Safety', 'AI ဘေးကင်းရေး', 'ai-safety')
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ON CONFLICT (slug) DO NOTHING;
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