init

migrations/20241223000000_initial_schema.sql

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+-- Initial schema for K-Notes
+-- SQLite with FTS5 for full-text search
+
+-- Users table (OIDC-ready)
+CREATE TABLE IF NOT EXISTS users (
+    id TEXT PRIMARY KEY NOT NULL,
+    subject TEXT UNIQUE NOT NULL,  -- OIDC subject identifier
+    email TEXT NOT NULL,
+    created_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+
+CREATE INDEX idx_users_subject ON users(subject);
+CREATE INDEX idx_users_email ON users(email);
+
+-- Notes table
+CREATE TABLE IF NOT EXISTS notes (
+    id TEXT PRIMARY KEY NOT NULL,
+    user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    title TEXT NOT NULL,
+    content TEXT NOT NULL DEFAULT '',
+    is_pinned INTEGER NOT NULL DEFAULT 0,
+    is_archived INTEGER NOT NULL DEFAULT 0,
+    created_at TEXT NOT NULL DEFAULT (datetime('now')),
+    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
+);
+
+CREATE INDEX idx_notes_user_id ON notes(user_id);
+CREATE INDEX idx_notes_is_pinned ON notes(is_pinned);
+CREATE INDEX idx_notes_is_archived ON notes(is_archived);
+CREATE INDEX idx_notes_updated_at ON notes(updated_at);
+
+-- Tags table (user-scoped)
+CREATE TABLE IF NOT EXISTS tags (
+    id TEXT PRIMARY KEY NOT NULL,
+    name TEXT NOT NULL,
+    user_id TEXT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    UNIQUE(name, user_id)
+);
+
+CREATE INDEX idx_tags_user_id ON tags(user_id);
+
+-- Junction table for note-tag relationship
+CREATE TABLE IF NOT EXISTS note_tags (
+    note_id TEXT NOT NULL REFERENCES notes(id) ON DELETE CASCADE,
+    tag_id TEXT NOT NULL REFERENCES tags(id) ON DELETE CASCADE,
+    PRIMARY KEY (note_id, tag_id)
+);
+
+CREATE INDEX idx_note_tags_tag_id ON note_tags(tag_id);
+
+-- Full-text search virtual table
+CREATE VIRTUAL TABLE IF NOT EXISTS notes_fts USING fts5(
+    title,
+    content,
+    content='notes',
+    content_rowid='rowid'
+);
+
+-- Triggers to keep FTS index in sync
+CREATE TRIGGER notes_ai AFTER INSERT ON notes BEGIN
+    INSERT INTO notes_fts(rowid, title, content) VALUES (NEW.rowid, NEW.title, NEW.content);
+END;
+
+CREATE TRIGGER notes_ad AFTER DELETE ON notes BEGIN
+    INSERT INTO notes_fts(notes_fts, rowid, title, content) VALUES('delete', OLD.rowid, OLD.title, OLD.content);
+END;
+
+CREATE TRIGGER notes_au AFTER UPDATE ON notes BEGIN
+    INSERT INTO notes_fts(notes_fts, rowid, title, content) VALUES('delete', OLD.rowid, OLD.title, OLD.content);
+    INSERT INTO notes_fts(rowid, title, content) VALUES (NEW.rowid, NEW.title, NEW.content);
+END;