Pending course, rest ready for launch

lib/courses/lessonContent.ts

@@ -0,0 +1,108 @@
+export const lessonContentTypes = ["VIDEO", "LECTURE", "ACTIVITY", "QUIZ", "FINAL_EXAM"] as const;
+
+export type LessonContentType = (typeof lessonContentTypes)[number];
+
+type LessonDescriptionMeta = {
+  text: string;
+  contentType: LessonContentType;
+  materialUrl: string | null;
+};
+
+const lessonTypeAliases: Record<string, LessonContentType> = {
+  VIDEO: "VIDEO",
+  LECTURE: "LECTURE",
+  LECTURA: "LECTURE",
+  READING: "LECTURE",
+  ACTIVITY: "ACTIVITY",
+  ACTIVIDAD: "ACTIVITY",
+  QUIZ: "QUIZ",
+  EVALUACION: "QUIZ",
+  EVALUACIÓN: "QUIZ",
+  FINAL_EXAM: "FINAL_EXAM",
+  EXAMEN_FINAL: "FINAL_EXAM",
+  EXAMENFINAL: "FINAL_EXAM",
+  EVALUACION_FINAL: "FINAL_EXAM",
+  EVALUACIÓN_FINAL: "FINAL_EXAM",
+};
+
+function isRecord(value: unknown): value is Record<string, unknown> {
+  return typeof value === "object" && value !== null && !Array.isArray(value);
+}
+
+function asString(value: unknown): string {
+  return typeof value === "string" ? value.trim() : "";
+}
+
+function normalizeType(value: string): LessonContentType {
+  const normalized = value.trim().toUpperCase();
+  return lessonTypeAliases[normalized] ?? "VIDEO";
+}
+
+function getDescriptionText(input: unknown): string {
+  if (typeof input === "string") return input.trim();
+  if (isRecord(input)) {
+    const direct = asString(input.text);
+    if (direct) return direct;
+    const es = asString(input.es);
+    if (es) return es;
+    const en = asString(input.en);
+    if (en) return en;
+    const summary = asString(input.summary);
+    if (summary) return summary;
+  }
+  return "";
+}
+
+export function parseLessonDescriptionMeta(description: unknown): LessonDescriptionMeta {
+  if (!isRecord(description)) {
+    return {
+      text: getDescriptionText(description),
+      contentType: "VIDEO",
+      materialUrl: null,
+    };
+  }
+
+  const contentTypeRaw = asString(description.contentType) || asString(description.kind) || asString(description.type);
+  const materialUrl =
+    asString(description.materialUrl) ||
+    asString(description.resourceUrl) ||
+    asString(description.pdfUrl) ||
+    asString(description.attachmentUrl) ||
+    "";
+
+  return {
+    text: getDescriptionText(description),
+    contentType: normalizeType(contentTypeRaw || "VIDEO"),
+    materialUrl: materialUrl || null,
+  };
+}
+
+export function buildLessonDescriptionMeta(input: {
+  text: string;
+  contentType: LessonContentType;
+  materialUrl?: string | null;
+}): Record<string, string> {
+  const payload: Record<string, string> = {
+    contentType: input.contentType,
+  };
+
+  const text = input.text.trim();
+  if (text) payload.es = text;
+
+  const materialUrl = (input.materialUrl ?? "").trim();
+  if (materialUrl) payload.materialUrl = materialUrl;
+
+  return payload;
+}
+
+export function getLessonContentTypeLabel(contentType: LessonContentType): string {
+  if (contentType === "LECTURE") return "Lectura";
+  if (contentType === "ACTIVITY") return "Actividad";
+  if (contentType === "QUIZ") return "Quiz";
+  if (contentType === "FINAL_EXAM") return "Evaluación final";
+  return "Video";
+}
+
+export function isFinalExam(contentType: LessonContentType): boolean {
+  return contentType === "FINAL_EXAM";
+}