chore: generate database fixtures

Signed-off-by: Jérémie Drouet <jeremie.drouet@gmail.com>

Author: jdrouet

migrations/Dockerfile

@@ -1,4 +1,9 @@
+FROM node:slim AS builder
+
+COPY generate-fixtures.js /generate-fixtures.js
+RUN node /generate-fixtures.js > /fixtures.sql
+
 FROM postgres:14.2-bullseye
 
 COPY *.sql /docker-entrypoint-initdb.d/
-
+COPY --from=builder /fixtures.sql /docker-entrypoint-initdb.d/99999999999999-fixtures.sql

migrations/generate-fixtures.js

@@ -0,0 +1,26 @@
+const crypto = require('crypto');
+
+const USER_COUNT = 1_000_000;
+const LIST_COUNT = 1_000_000;
+const TASK_COUNT = 1_000_000;
+
+const randomStr = (len = 32) =>
+    crypto.randomBytes(len).toString('hex');
+
+for (let user_index = 0; user_index < USER_COUNT; user_index++) {
+    const user_id = crypto.randomUUID();
+    const user_login = randomStr();
+    console.log(`INSERT INTO account (id, login) VALUES ('${user_id}','user_${user_index}');`);
+
+    for (let list_index = 0; list_index < LIST_COUNT; list_index++) {
+        const list_id = crypto.randomUUID();
+        const list_name = randomStr();
+        console.log(`INSERT INTO list (id, account_id, name) VALUES ('${list_id}','${user_id}','${list_name}');`);
+
+        for (let task_index = 0; task_index < TASK_COUNT; task_index++) {
+            const task_name = randomStr();
+            const task_description = randomStr(20);
+            console.log(`INSERT INTO task (list_id, name, description) VALUES ('${list_id}','${task_name}','${task_description}');`);
+        }
+    }
+}