first commit

backend/db.ts

@@ -0,0 +1,71 @@
+import { Database } from "bun:sqlite";
+
+export const db = new Database("links.sqlite", { create: true });
+
+db.run("PRAGMA journal_mode = WAL;");
+
+db.run(`
+  CREATE TABLE IF NOT EXISTS links (
+    id TEXT PRIMARY KEY,
+    target TEXT NOT NULL,
+    short TEXT NOT NULL UNIQUE,
+    ogTitle TEXT,
+    ogDesc TEXT,
+    ogImage TEXT
+  );
+`);
+
+db.run(`
+  CREATE TABLE IF NOT EXISTS stats (
+    linkId TEXT PRIMARY KEY,
+    clicks INTEGER NOT NULL DEFAULT 0
+  );
+`);
+
+// Use positional placeholders ?
+export const insertLinkStmt = db.query(`
+  INSERT INTO links (id, target, short, ogTitle, ogDesc, ogImage)
+  VALUES (?, ?, ?, ?, ?, ?)
+`);
+
+export const insertStatsStmt = db.query(`
+  INSERT INTO stats (linkId, clicks) VALUES (?, 0)
+`);
+
+export const getAllLinksStmt = db.query(`
+  SELECT l.*, s.clicks
+  FROM links l
+  LEFT JOIN stats s ON l.id = s.linkId
+`);
+
+export const getLinkByIdStmt = db.query(`
+  SELECT l.*, s.clicks
+  FROM links l
+  LEFT JOIN stats s ON l.id = s.linkId
+  WHERE l.id = ?
+`);
+
+export const getLinkByShortStmt = db.query(`
+  SELECT * FROM links WHERE short = ?
+`);
+
+export const updateLinkStmt = db.query(`
+  UPDATE links SET
+    target = COALESCE(?, target),
+    short = COALESCE(?, short),
+    ogTitle = COALESCE(?, ogTitle),
+    ogDesc = COALESCE(?, ogDesc),
+    ogImage = COALESCE(?, ogImage)
+  WHERE id = ?
+`);
+
+export const deleteLinkStmt = db.query(`DELETE FROM links WHERE id = ?`);
+export const deleteStatsStmt = db.query(`DELETE FROM stats WHERE linkId = ?`);
+
+export const incClickStmt = db.query(`
+  UPDATE stats SET clicks = clicks + 1 WHERE linkId = ?
+`);
+
+export const getStatsByIdStmt = db.query(`
+  SELECT clicks FROM stats WHERE linkId = ?
+`);