LOGS ARE GOOD

config.ts

@@ -3,41 +3,74 @@ import {
   LogLevels,
 } from "https://deno.land/std@0.159.0/log/mod.ts";
 
-export interface Config {
+export interface LogConfig {
-  log: {
   consoleLevelName: LevelName;
-  };
-  postgres: {
-    url: string;
-  };
-  mailgun: {
-    apiKey?: string;
-    domain?: string;
-  };
 }
 
-function envOrWarn(key: string, fallback: string): string {
+export interface PostgresConfig {
-  const val = Deno.env.get(key);
+  url: string;
-  if (!val) console.warn(`${key} is not set! Using fallback: ${fallback}`);
+}
-  return val || fallback;
+
+export interface MailgunConfig {
+  apiKey?: string;
+  domain?: string;
+}
+
+export interface Config {
+  log: LogConfig;
+  postgres: PostgresConfig;
+  mailgun: MailgunConfig;
+  isDevelopmentMode: boolean;
+}
+
+function truthyEnv(key: string): boolean {
+  return (Deno.env.get(key) || "").toString().toLowerCase().trim() in
+    ["true", "1"];
 }
 
 function isLogLevelName(s: string): s is LevelName {
   return s in LogLevels;
 }
 
-const desiredLogLevel = envOrWarn("LOG_LEVEL", "INFO").toUpperCase();
+export let config: Readonly<Config>;
-if (!isLogLevelName(desiredLogLevel)) {
+
-  console.warn(
+type Logger = { warning: (s: string, ...opts: unknown[]) => void };
-    `Desired LOG_LEVEL of '${desiredLogLevel}' is invalid. Falling back to 'INFO'`,
+
-  );
+export function setAll(newConfig: Config) {
+  config = newConfig;
 }
 
-const logLevel: LevelName = isLogLevelName(desiredLogLevel)
+export function reload(): [
+  Config,
+  ((logger: Logger) => void)[],
+] {
+  // since we want configuration to be setup before any logging, lets save logs here until the logger is setup
+  const logCalls = [];
+
+  const envOrWarn = (key: string, fallback: string): string => {
+    const val = Deno.env.get(key);
+    if (!val) {
+      logCalls.push((logger: Logger) =>
+        logger.warning(`${key} is not set! Using fallback: ${fallback}`)
+      );
+    }
+    return val || fallback;
+  };
+
+  const desiredLogLevel = envOrWarn("LOG_LEVEL", "INFO").toUpperCase();
+  if (!isLogLevelName(desiredLogLevel)) {
+    logCalls.push((logger: Logger) =>
+      logger.warning(
+        `Specified LOG_LEVEL '${desiredLogLevel}' is invalid. Falling back to INFO`,
+      )
+    );
+  }
+
+  const logLevel: LevelName = isLogLevelName(desiredLogLevel)
     ? desiredLogLevel
     : "INFO";
 
-export const config: Config = {
+  const config: Config = {
     log: {
       consoleLevelName: logLevel,
     },
@@ -48,4 +81,8 @@ export const config: Config = {
       ),
     },
     mailgun: {},
-};
+    isDevelopmentMode: truthyEnv("DEVELOPMENT_MODE"),
+  };
+
+  return [config, logCalls];
+}

db/migrations.ts

@@ -1,4 +1,20 @@
-import { createNote, createUser, queryArray } from "@/db/mod.ts";
+import {
+  createNote,
+  createUser,
+  initDatabaseConnectionPool,
+  queryArray,
+} from "@/db/mod.ts";
+import { reload } from "@/config.ts";
+import { log, setupLoggers } from "@/log.ts";
+
+const [config, configLoadLogCallbacks] = reload();
+setupLoggers(config.log);
+
+for (const f of configLoadLogCallbacks) {
+  f(log);
+}
+
+initDatabaseConnectionPool(config.postgres);
 
 const id = "id uuid primary key default generate_ulid()";
 
@@ -26,8 +42,6 @@ const functions = [
           select (lpad(to_hex(floor(extract(epoch from clock_timestamp()) * 1000)::bigint), 12, '0') || encode(gen_random_bytes(10), 'hex'))::uuid;
       $$ language sql
   `,
-  `
-  `,
 ];
 
 const tables: Record<string, TableSpec> = {

db/mod.ts

@@ -10,10 +10,10 @@ import {
   type QueryArrayResult,
   type QueryObjectResult,
 } from "https://deno.land/x/postgres@v0.16.1/query/query.ts?s=QueryArguments";
-import { config } from "@/config.ts";
 import * as base64 from "$std/encoding/base64.ts";
 import { log } from "@/log.ts";
 
+import { type PostgresConfig } from "@/config.ts";
 import {
   type Display,
   type Note,
@@ -31,7 +31,11 @@ import { sha256 } from "https://denopkg.com/chiefbiiko/sha256@v1.0.0/mod.ts";
 export { PostgresError };
 export { type QueryObjectResult };
 
-const pool = new Pool(config.postgres.url, 3, true);
+let pool: Pool;
+
+export function initDatabaseConnectionPool({ url }: PostgresConfig) {
+  pool = new Pool(url, 3, true);
+}
 
 type QueryResult<T> = { rows: T[] } | null;
 
@@ -79,14 +83,14 @@ export async function dbOp<T>(
     try {
       result = await op(connection);
     } catch (err) {
-      log.error("Error querying database:", err, { ...err });
+      log.error("Error querying database:", err);
       exception = err;
     } finally {
       connection.release();
     }
   } catch (err) {
     exception = err;
-    log.error("Error connecting to database:", err);
+    log.critical("Error connecting to database:", err);
   }
   if (exception != null) throw exception;
   if (result == null) {
@@ -282,7 +286,7 @@ export async function createUser(
         ),
       );
       await createTeam({
-        team: { displayName: `${username}'s First Team` },
+        team: { displayName: `${username}'s Team` },
         creator: user,
       }, transaction);
 

dev.ts

@@ -1,5 +1,7 @@
 #!/usr/bin/env -S deno run -A --watch=static/,routes/
 
+Deno.env.set("DEVELOPMENT_MODE", "1");
+
 import dev from "$fresh/dev.ts";
 
 await dev(import.meta.url, "./main.ts");

import_map.json

@@ -1,7 +1,7 @@
 {
   "imports": {
     "@/": "./",
-    "$std/": "https://deno.land/std@0.158.0/",
+    "$std/": "https://deno.land/std@0.162.0/",
     "$fresh/": "https://raw.githubusercontent.com/lytedev/fresh/v1.1.2-df/",
     "$freshrel/": "../fresh/",
     "preact": "https://esm.sh/preact@10.11.0",

log.ts

@@ -1,14 +1,68 @@
-import { config } from "@/config.ts";
+import { type LogConfig } from "@/config.ts";
 import * as log from "$std/log/mod.ts";
+import { format } from "https://deno.land/std@0.163.0/node/util.ts";
 
 export * as log from "$std/log/mod.ts";
 
-export function setupLoggers() {
+const short: Record<number, string> = {
+  10: "DBG",
+  20: "INF",
+  30: "WRN",
+  40: "ERR",
+  50: "CRT",
+};
+
+const levelColors: Record<number, string> = {
+  10: "90",
+  20: "34",
+  30: "33",
+  40: "31",
+  50: "35",
+};
+
+const msgColors: Record<number, string> = {
+  40: "31",
+  50: "31",
+};
+
+class CustomConsoleHandler extends log.handlers.ConsoleHandler {
+  encoder: TextEncoder;
+
+  constructor(levelName: log.LevelName, options: log.HandlerOptions) {
+    super(levelName, options);
+    this.encoder = new TextEncoder();
+  }
+
+  override log(msg: string): Promise<number> {
+    const result = Deno.stdout.write(
+      this.encoder.encode(msg),
+    );
+    Deno.stdout.write(new Uint8Array([0x0a]));
+    return result;
+  }
+}
+
+export function setupLoggers(config: LogConfig) {
+  // TODO: support for colors or nah?
   log.setup({
     handlers: {
-      console: new log.handlers.ConsoleHandler(config.log.consoleLevelName, {
+      console: new CustomConsoleHandler(
-        formatter: `{datetime} {levelName} {msg}`,
+        config.consoleLevelName,
-      }),
+        {
+          formatter: ({ level, datetime, msg, args }: log.LogRecord) => {
+            // TODO: use a replacer for redacting secrets?
+            const fullMessage = format(
+              msg,
+              args,
+            );
+            return `\x1b[m[\x1b[${levelColors[level] || ""}m${
+              short[level] || "UNK"
+            }\x1b[m] \x1b[90m${datetime.toISOString()}\x1b[m \x1b[${
+              msgColors[level] || ""
+            }m${fullMessage}\x1b[m`;
+          },
+        },
+      ),
     },
     loggers: {
       default: {
@@ -21,4 +75,21 @@ export function setupLoggers() {
       },
     },
   });
+
+  /*
+  console.debug = log.debug;
+  console.info = log.info;
+  console.warn = log.warning;
+  console.error = log.error;
+  */
+
+  /*
+  log.debug("Debug Log");
+  log.info("Info Log");
+  log.warning("Warning Log");
+  log.error("Error Log");
+  log.critical("Critical Log");
+  */
+
+  log.info("Logger setup complete");
 }

main.ts

@@ -10,8 +10,23 @@ import manifest from "@/fresh.gen.ts";
 import twindPlugin from "$fresh/plugins/twind.ts";
 import twindConfig from "@/twind.config.ts";
 
-import { setupLoggers } from "@/log.ts";
+import { log, setupLoggers } from "@/log.ts";
+import { reload } from "@/config.ts";
+import { initDatabaseConnectionPool } from "@/db/mod.ts";
 
-setupLoggers();
+const [config, configLoadLogCallbacks] = reload();
+setupLoggers(config.log);
+
+for (const f of configLoadLogCallbacks) {
+  f(log);
+}
+
+initDatabaseConnectionPool(config.postgres);
+
+console.log = log.info;
+console.debug = log.debug;
+console.info = log.info;
+console.warn = log.warning;
+console.error = log.error;
 
 await start(manifest, { plugins: [twindPlugin(twindConfig)] });

routes/dashboard.tsx

@@ -34,7 +34,7 @@ function Dashboard({ teams, user }: DashboardProps) {
         Hello, {(user.displayName || user.username).trim()}!
       </h2>
       <h3 class="text-lg">
-        Which team are we working with today?
+        Here are your teams:
       </h3>
       <ul>
         {teams.map((team) => (

routes/team/[id].tsx

@@ -9,6 +9,9 @@ interface TeamPageProps {
 
 export const handler: Handlers<TeamPageProps> = {
   async GET(request, context) {
+    // TODO: only allow logged-in users to view teams (and most resources!)
+    // TODO: only allow users that are a member of a team to view them
+    // NOTE: maybe teams can be public...?
     const { id } = context.params;
     console.debug({ request, context });
     try {