cli: updated config to get config from app, added sync command (#241)

* cli: updated config to get config from app, added sync command

* updated command description

app/src/cli/commands/sync.ts

@@ -0,0 +1,47 @@
+import type { CliCommand } from "../types";
+import { makeAppFromEnv } from "cli/commands/run";
+import { writeFile } from "node:fs/promises";
+import c from "picocolors";
+
+export const sync: CliCommand = (program) => {
+   program
+      .command("sync")
+      .description("sync database")
+      .option("--config <config>", "config file")
+      .option("--db-url <db>", "database url, can be any valid sqlite url")
+      .option("--dump", "dump operations to console instead of executing them")
+      .option("--drop", "include destructive DDL operations")
+      .option("--out <file>", "output file")
+      .option("--sql", "use sql output")
+      .action(async (options) => {
+         const app = await makeAppFromEnv(options);
+         const schema = app.em.schema();
+         const stmts = await schema.sync({ drop: options.drop });
+
+         console.info("");
+         if (stmts.length === 0) {
+            console.info(c.yellow("No changes to sync"));
+            process.exit(0);
+         }
+         // @todo: currently assuming parameters aren't used
+         const sql = stmts.map((d) => d.sql).join(";\n") + ";";
+
+         if (options.dump) {
+            if (options.out) {
+               const output = options.sql ? sql : JSON.stringify(stmts, null, 2);
+               await writeFile(options.out, output);
+               console.info(`SQL written to ${c.cyan(options.out)}`);
+            } else {
+               console.info(options.sql ? c.cyan(sql) : stmts);
+            }
+
+            process.exit(0);
+         }
+
+         await schema.sync({ force: true, drop: options.drop });
+         console.info(c.cyan(sql));
+
+         console.info(`${c.gray(`Executed ${c.cyan(stmts.length)} statement(s)`)}`);
+         console.info(`${c.green("Database synced")}`);
+      });
+};