more tickets

functions/src/cover.js

@@ -14,6 +14,65 @@ const { sendNotification } = require("./notifications");
 const bucket = admin.storage().bucket();
 const LOGO_PATH = path.resolve(__dirname, "../assets/musicLandLogo.png");
 
+const pickFirstNonEmpty = (...values) => {
+  for (const value of values) {
+    if (typeof value === "string") {
+      const trimmed = value.trim();
+      if (trimmed.length > 0) {
+        return trimmed;
+      }
+    }
+  }
+  return "";
+};
+
+const combineNames = (...parts) =>
+  parts
+    .map((part) => (typeof part === "string" ? part.trim() : ""))
+    .filter(Boolean)
+    .join(" ")
+    .trim();
+
+async function resolveArtistName(project = {}) {
+  const owner = project?.owner || {};
+  const direct = pickFirstNonEmpty(
+    project?.artistName,
+    project?.userName,
+    owner?.artistName,
+    owner?.userName,
+    owner?.displayName
+  );
+  if (direct) return direct;
+
+  const userId =
+    typeof project?.userId === "string" && project.userId.trim()
+      ? project.userId.trim()
+      : "";
+  if (!userId) return "";
+
+  try {
+    const userSnapshot = await refList.users.doc(userId).get();
+    if (!userSnapshot?.exists) return "";
+    const userData = userSnapshot.data() || {};
+    const fullName = combineNames(userData.firstName, userData.lastName);
+    return (
+      pickFirstNonEmpty(
+        userData.artistName,
+        userData.userName,
+        userData.displayName,
+        fullName
+      ) || ""
+    );
+  } catch (error) {
+    logger.warn("⚠️ [Cover] Unable to resolve artist name", {
+      projectId: project?.id || null,
+      userId,
+      error: error?.message || String(error),
+    });
+    return "";
+  }
+}
+
 async function buildCoverWithLogo(backgroundUrl, targetPath) {
   logger.info("🖼️ [Cover] Adding logo to generated background");
   const [{ data: backgroundBuffer }, logoBuffer] = await Promise.all([
@@ -66,7 +125,11 @@ async function buildCoverWithLogo(backgroundUrl, targetPath) {
 // Shared core for generating and saving the cover, and updating the project
 async function performCoverGeneration(project) {
   const t0 = Date.now();
-  const prompt = generatePicturePrompt(project);
+  const artistName = await resolveArtistName(project);
+  const prompt = generatePicturePrompt({
+    ...project,
+    artistName,
+  });
   // Utiliser generateImageV2 qui renvoie directement l'URL publique
   logger.info("🎨 [Cover] Calling model V2", {
     projectId: project.id,