DB things
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parent
3d33e72f42
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0fc6b1b8a8
13
db-migrations.ts
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13
db-migrations.ts
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@ -0,0 +1,13 @@
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import { query } from "./db.ts";
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await query(`
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create extension if not exists "uuid-ossp";
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drop table if exists notes;
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create table if not exists notes (
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id uuid primary key default uuid_generate_v4(),
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content text not null,
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created_at timestamptz not null default now(),
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updated_at timestamptz not null default now()
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);
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`);
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25
db.ts
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25
db.ts
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import * as postgres from "https://deno.land/x/postgres@v0.16.1/mod.ts";
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import { type QueryArguments } from "https://deno.land/x/postgres@v0.16.1/query/query.ts?s=QueryArguments";
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export { type QueryObjectResult } from "https://deno.land/x/postgres@v0.16.1/query/query.ts?s=QueryArguments";
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const databaseUrl = Deno.env.get("DATABASE_URL") ||
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"postgresql://danielflanagan:@127.0.0.1:5432/lyricscreen";
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const pool = new postgres.Pool(databaseUrl, 3, true);
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export async function query(sql: string, ...args: QueryArguments[]) {
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let result = null;
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try {
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const connection = await pool.connect();
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try {
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result = await connection.queryObject(sql, ...args);
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} catch (err) {
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console.error("Error querying database:", err);
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} finally {
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connection.release();
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}
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} catch (err) {
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console.error("Error connecting to database:", err);
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}
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return result;
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}
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10
fresh.gen.ts
10
fresh.gen.ts
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@ -13,8 +13,9 @@ import * as $6 from "./routes/api/random-uuid.ts";
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import * as $7 from "./routes/countdown.tsx";
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import * as $8 from "./routes/github/[username].tsx";
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import * as $9 from "./routes/index.tsx";
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import * as $10 from "./routes/route-config-example.tsx";
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import * as $11 from "./routes/search.tsx";
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import * as $10 from "./routes/note.tsx";
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import * as $11 from "./routes/route-config-example.tsx";
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import * as $12 from "./routes/search.tsx";
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import * as $$0 from "./islands/Countdown.tsx";
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import * as $$1 from "./islands/Counter.tsx";
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@ -30,8 +31,9 @@ const manifest = {
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"./routes/countdown.tsx": $7,
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"./routes/github/[username].tsx": $8,
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"./routes/index.tsx": $9,
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"./routes/route-config-example.tsx": $10,
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"./routes/search.tsx": $11,
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"./routes/note.tsx": $10,
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"./routes/route-config-example.tsx": $11,
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"./routes/search.tsx": $12,
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},
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islands: {
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"./islands/Countdown.tsx": $$0,
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@ -10,6 +10,6 @@ export async function handler(
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) {
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ctx.state.data = "myData";
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const resp = await ctx.next();
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resp.headers.set("server", "fresh server");
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if (resp) resp.headers.set("server", "fresh server");
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return resp;
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}
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48
routes/note.tsx
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48
routes/note.tsx
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import { Handlers, PageProps } from "$fresh/server.ts";
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import { query, type QueryObjectResult } from "../db.ts";
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interface Note {
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id: string;
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created_at: Date;
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content: string;
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}
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export const handler: Handlers<Note[] | null> = {
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async GET(request, context) {
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console.debug({ request, context });
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const result = await query("select * from notes");
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if (result == null) throw "unable to fetch from database";
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const notes = result.rows;
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console.debug(notes);
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return await context.render(notes);
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},
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async POST(request, context) {
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console.debug({ request, context });
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if (request.headers.get("content-type") != "application/json") {
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throw "content-type must be application/json";
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}
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const body = await request.json();
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console.log({ body });
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if (!("content" in body)) {
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throw "no content field present in body";
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}
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const result = await query(
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"insert into notes (content) values ($1) returning id",
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body.content,
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);
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if (result == null) throw "failed to fetch notes";
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const { rows: [{ id }] } = result as QueryObjectResult<Note>;
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console.debug(id);
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},
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};
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export default function Page({ data }: PageProps<Note[] | null>) {
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return (
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<div>
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<p>Yo!</p>
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<pre>
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{JSON.stringify(data, null, 2)}
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</pre>
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</div>
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);
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}
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