Initial commit: Angular frontend and Expressjs backend

worklenz-backend/src/utils/generate-project-key.ts

@@ -0,0 +1,61 @@
+import {customAlphabet} from "nanoid";
+import {isUnicode} from "../shared/utils";
+
+function getInitialKey(value: any) {
+  if (typeof value !== "string") return null;
+  const str = value.trim();
+  const words = str.replace(/[^\w\s-_]/g, "").split(/[\s-_]/g);
+
+  if (words.length < 2) {
+    if (str.length <= 3) return str.toUpperCase();
+    return str.substring(0, 3).toUpperCase();
+  }
+
+  const key = words.map(word => word.charAt(0).toUpperCase()).join("");
+  return key;
+}
+
+function customKey(initialKey: string | null, existingKeys: string[], len = 3): string {
+  const allChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+  const key = initialKey || customAlphabet(allChars, len)();
+
+  if (!existingKeys.includes(key)) return key;
+
+  let baseKey = key;
+  let randomKey = key;
+  let index = 0;
+
+  while (existingKeys.includes(randomKey)) {
+    const char = allChars[~~(Math.random() * allChars.length)];
+    randomKey = baseKey + char;
+    if (!existingKeys.includes(randomKey)) return randomKey;
+    index++;
+    if (index >= allChars.length) {
+      baseKey += char;
+    }
+  }
+
+  return customKey(null, existingKeys, len + 1);
+}
+
+export function generateProjectKey(projectName: string, existingKeys: string[] = []) {
+  if (isUnicode(projectName)) return customKey(null, existingKeys);
+
+  const key = getInitialKey(projectName);
+  if (existingKeys.includes(key as string)) {
+
+    // try with project name
+    const name = projectName.toUpperCase().trim();
+    const chars = [...name.slice(1).replace(/\s/g, "")];
+    for (const char of chars) {
+      const k = key + char;
+      if (!existingKeys.includes(k))
+        return k;
+    }
+
+    return customKey(key as string, existingKeys);
+  }
+
+  return key;
+}