Initial commit

migrations/0001_init.sql

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+PRAGMA foreign_keys = ON;
+
+CREATE TABLE IF NOT EXISTS users (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    username TEXT NOT NULL UNIQUE,
+    password_hash TEXT NOT NULL,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE IF NOT EXISTS sessions (
+    id TEXT PRIMARY KEY,
+    user_id INTEGER NOT NULL,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    expires_at DATETIME NOT NULL,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS photos (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER NOT NULL,
+    original_filename TEXT NOT NULL,
+    stored_filename TEXT NOT NULL UNIQUE,
+    mime_type TEXT NOT NULL,
+    width INTEGER NOT NULL DEFAULT 0,
+    height INTEGER NOT NULL DEFAULT 0,
+    exif_json TEXT NOT NULL DEFAULT '{}',
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+
+CREATE TABLE IF NOT EXISTS comments (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    photo_id INTEGER NOT NULL,
+    user_id INTEGER NOT NULL,
+    body TEXT NOT NULL,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (photo_id) REFERENCES photos(id) ON DELETE CASCADE,
+    FOREIGN KEY (user_id) REFERENCES users(id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS idx_photos_created_at ON photos(created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_comments_photo_id_created_at ON comments(photo_id, created_at);