feat: add endpoints to get notes

src/data/db.ts

@@ -3,6 +3,58 @@ import type { Note } from "./note.ts";
 
 export const db = new DB(Deno.env.get("SQLITE_PATH") ?? "notes.db");
 
+export const getNotes = (cursor?: string, limit = 20) => {
+  const rows = cursor
+    ? db.query<[string, string, string, string, string, string]>(
+      "SELECT did, rkey, title, content, publishedAt, createdAt FROM note WHERE rkey < ? ORDER BY rkey DESC LIMIT ?",
+      [cursor, limit],
+    )
+    : db.query<[string, string, string, string, string, string]>(
+      "SELECT did, rkey, title, content, publishedAt, createdAt FROM note ORDER BY rkey DESC LIMIT ?",
+      [limit],
+    );
+
+  const notes = rows.map(([did, rkey, title, content, publishedAt, createdAt]) => ({
+    did,
+    rkey,
+    title,
+    content,
+    publishedAt,
+    createdAt,
+  }));
+
+  return {
+    notes,
+    cursor: notes.length === limit ? notes[notes.length - 1].rkey : undefined,
+  };
+};
+
+export const getNotesByDid = (did: string, cursor?: string, limit = 20) => {
+  const rows = cursor
+    ? db.query<[string, string, string, string, string, string]>(
+      "SELECT did, rkey, title, content, publishedAt, createdAt FROM note WHERE did = ? AND rkey < ? ORDER BY rkey DESC LIMIT ?",
+      [did, cursor, limit],
+    )
+    : db.query<[string, string, string, string, string, string]>(
+      "SELECT did, rkey, title, content, publishedAt, createdAt FROM note WHERE did = ? ORDER BY rkey DESC LIMIT ?",
+      [did, limit],
+    );
+
+  const notes = rows.map(([did, rkey, title, content, publishedAt, createdAt]) => ({
+    did,
+    rkey,
+    title,
+    content,
+    publishedAt,
+    createdAt,
+  }));
+
+  return {
+    notes,
+    cursor: notes.length === limit ? notes[notes.length - 1].rkey : undefined,
+  };
+};
+
 export const upsertNote = (note: Note) => {
   db.query(
     `