changed init schema

schema/init_db.sql

@@ -1,40 +1,119 @@
---- Database schema for content management
-CREATE TABLE IF NOT EXISTS articles (
+--- Content types table 
+CREATE TABLE IF NOT EXISTS content_types (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    type TEXT UNIQUE NOT NULL  -- 'article', 'minisite', 'gallery', 'interactive'
+);
+-- Main content blocks table
+CREATE TABLE IF NOT EXISTS content_blocks (
     id INTEGER PRIMARY KEY AUTOINCREMENT,
     title TEXT NOT NULL,
-    content TEXT NOT NULL,
-    category TEXT NOT NULL,
-    tags TEXT DEFAULT '[]' NOT NULL, -- Store as JSON array
-    url_slug TEXT UNIQUE NOT NULL,   -- Ensure unique URLs
-    status TEXT CHECK(status IN ('draft', 'published', 'archived')) DEFAULT 'draft' NOT NULL,
+    url_slug TEXT UNIQUE NOT NULL,
+    type_id INTEGER NOT NULL,
+    status TEXT CHECK(status IN ('draft', 'published', 'archived')) DEFAULT 'draft',
     thumbnail_url TEXT,
     language TEXT DEFAULT 'en' NOT NULL,
     created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
-    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY(type_id) REFERENCES content_types(id)
+);
+-- Content metadata (flexible key-value store for additional properties)
+CREATE TABLE IF NOT EXISTS content_metadata (
+    content_id INTEGER NOT NULL,
+    key TEXT NOT NULL,
+    value TEXT,
+    FOREIGN KEY(content_id) REFERENCES content_blocks(id) ON DELETE CASCADE,
+    PRIMARY KEY(content_id, key)
+);
+-- Content files (tracks all files associated with a content block)
+CREATE TABLE IF NOT EXISTS content_files (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    content_id INTEGER NOT NULL,
+    file_type TEXT NOT NULL,  -- 'html', 'css', 'js', 'md', etc.
+    file_path TEXT NOT NULL,
+    is_main BOOLEAN DEFAULT 0,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY(content_id) REFERENCES content_blocks(id) ON DELETE CASCADE
+);
+
+-- Images table for managing all images
+CREATE TABLE IF NOT EXISTS images (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    original_url TEXT NOT NULL,
+    filename TEXT NOT NULL,
+    mime_type TEXT NOT NULL,
+    size INTEGER,  -- in bytes
+    width INTEGER,
+    height INTEGER,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    content_id INTEGER,
+    image_type TEXT CHECK(image_type IN ('thumbnail', 'content')) NOT NULL,
+    processing_status TEXT CHECK(processing_status IN ('pending', 'processing', 'complete', 'error')) DEFAULT 'pending',
+    FOREIGN KEY(content_id) REFERENCES content_blocks(id) ON DELETE CASCADE
+);
+
+-- Image variants for responsive images
+CREATE TABLE IF NOT EXISTS image_variants (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    image_id INTEGER NOT NULL,
+    url TEXT NOT NULL,
+    format TEXT NOT NULL,  -- 'webp', 'jpeg', 'avif'
+    width INTEGER NOT NULL,
+    height INTEGER NOT NULL,
+    quality TEXT CHECK(quality IN ('low', 'medium', 'high')) NOT NULL,
+    viewport_size TEXT NOT NULL,  -- 'small', 'medium', 'large'
+    size INTEGER,  -- in bytes
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY(image_id) REFERENCES images(id) ON DELETE CASCADE
 );
 
--- Add indexes for common queries
-CREATE INDEX IF NOT EXISTS idx_articles_status ON articles(status);
-CREATE INDEX IF NOT EXISTS idx_articles_url_slug ON articles(url_slug);
-CREATE INDEX IF NOT EXISTS idx_articles_category ON articles(category);
+-- Videos table
+CREATE TABLE IF NOT EXISTS videos (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title TEXT NOT NULL,
+    gcs_path TEXT NOT NULL,
+    mime_type TEXT NOT NULL,
+    size_bytes INTEGER,
+    duration_seconds INTEGER,
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+    content_id INTEGER,
+    processing_status TEXT CHECK(processing_status IN ('pending', 'processing', 'complete', 'error')) DEFAULT 'pending',
+    FOREIGN KEY(content_id) REFERENCES content_blocks(id)
+);
+
+-- Video variants for different qualities
+CREATE TABLE IF NOT EXISTS video_variants (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    video_id INTEGER NOT NULL,
+    quality TEXT NOT NULL, -- '360p', '720p', '1080p'
+    format TEXT NOT NULL, -- 'mp4', 'webm'
+    gcs_path TEXT NOT NULL,
+    size_bytes INTEGER,
+    segment_duration INTEGER DEFAULT 10, -- for adaptive streaming, in seconds
+    FOREIGN KEY(video_id) REFERENCES videos(id) ON DELETE CASCADE
+);
 
--- Update trigger for updated_at
-CREATE TRIGGER IF NOT EXISTS articles_updated_at 
-    AFTER UPDATE ON articles
+-- Create indexes for common queries
+CREATE INDEX IF NOT EXISTS idx_content_blocks_status ON content_blocks(status);
+CREATE INDEX IF NOT EXISTS idx_content_blocks_type ON content_blocks(type_id);
+CREATE INDEX IF NOT EXISTS idx_content_blocks_url_slug ON content_blocks(url_slug);
+CREATE INDEX IF NOT EXISTS idx_images_content ON images(content_id);
+CREATE INDEX IF NOT EXISTS idx_videos_content ON videos(content_id);
+
+-- Create updated_at triggers
+CREATE TRIGGER IF NOT EXISTS content_blocks_updated_at 
+    AFTER UPDATE ON content_blocks
 BEGIN
-    UPDATE articles SET updated_at = CURRENT_TIMESTAMP
+    UPDATE content_blocks SET updated_at = CURRENT_TIMESTAMP
     WHERE id = NEW.id;
 END;
 
--- Create views for different status types
-CREATE VIEW IF NOT EXISTS published_articles AS
-SELECT * FROM articles WHERE status = 'published';
-
-CREATE VIEW IF NOT EXISTS draft_articles AS
-SELECT * FROM articles WHERE status = 'draft';
-
-CREATE VIEW IF NOT EXISTS archived_articles AS
-SELECT * FROM articles WHERE status = 'archived';
+CREATE TRIGGER IF NOT EXISTS content_files_updated_at 
+    AFTER UPDATE ON content_files
+BEGIN
+    UPDATE content_files SET updated_at = CURRENT_TIMESTAMP
+    WHERE id = NEW.id;
+END;
 
 --- versioning table 
 CREATE TABLE IF NOT EXISTS schema_versions (
@@ -43,7 +122,6 @@ CREATE TABLE IF NOT EXISTS schema_versions (
   description TEXT
 );
 
-
 --- Insert initial version
 INSERT OR IGNORE INTO schema_versions (version, description)
 VALUES(1, 'Initial schema');