From 934394b17fa67d0436cd05da29a4387ca1862f94 Mon Sep 17 00:00:00 2001
From: Joao Ramos <joaomframos.1@gmail.com>
Date: Mon, 5 Feb 2024 20:01:50 +0000
Subject: [PATCH 1/3] Added approach to allow versioning of PDFs (Requires env
 var!)

---
 src/pages/api/assignments/[id]/export.tsx | 19 ++++++++++++-------
 src/pages/api/stats/[id]/export.tsx       | 13 ++++++++-----
 2 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/src/pages/api/assignments/[id]/export.tsx b/src/pages/api/assignments/[id]/export.tsx
index d38be031..91b24506 100644
--- a/src/pages/api/assignments/[id]/export.tsx
+++ b/src/pages/api/assignments/[id]/export.tsx
@@ -106,18 +106,20 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 			results: any;
 			exams: {module: Module}[];
 			startDate: string;
-			pdf?: string;
+			pdf: {
+				path: string,
+				version: string,
+			},
 		};
 		if (!data) {
 			res.status(400).end();
 			return;
 		}
 
-		if (data.pdf) {
+		if (data.pdf && data.pdf.path && data.pdf.version === process.env.PDF_VERSION) {
 			// if it does, return the pdf url
-			const fileRef = ref(storage, data.pdf);
+			const fileRef = ref(storage, data.pdf.path);
 			const url = await getDownloadURL(fileRef);
-
 			res.status(200).end(url);
 			return;
 		}
@@ -387,7 +389,10 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 
 				// update the stats entries with the pdf url to prevent duplication
 				await updateDoc(docSnap.ref, {
-					pdf: refName,
+					pdf: {
+						path: refName,
+						version: process.env.PDF_VERSION,
+					},
 				});
 				const url = await getDownloadURL(fileRef);
 				res.status(200).end(url);
@@ -419,8 +424,8 @@ async function get(req: NextApiRequest, res: NextApiResponse) {
 			return;
 		}
 
-		if (data.pdf) {
-			const fileRef = ref(storage, data.pdf);
+		if (data.pdf?.path) {
+			const fileRef = ref(storage, data.pdf.path);
 			const url = await getDownloadURL(fileRef);
 			return res.redirect(url);
 		}
diff --git a/src/pages/api/stats/[id]/export.tsx b/src/pages/api/stats/[id]/export.tsx
index 2736bccf..657cb361 100644
--- a/src/pages/api/stats/[id]/export.tsx
+++ b/src/pages/api/stats/[id]/export.tsx
@@ -125,7 +125,7 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 
 		const stats = docsSnap.docs.map((d) => d.data());
 		// verify if the stats already have a pdf generated
-		const hasPDF = stats.find((s) => s.pdf);
+		const hasPDF = stats.find((s) => s.pdf?.path && s.pdf?.version === process.env.PDF_VERSION);
 		// find the user that generated the stats
 		const statIndex = stats.findIndex((s) => s.user);
 
@@ -138,7 +138,7 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 
 		if (hasPDF) {
 			// if it does, return the pdf url
-			const fileRef = ref(storage, hasPDF.pdf);
+			const fileRef = ref(storage, hasPDF.pdf.path);
 			const url = await getDownloadURL(fileRef);
 
 			res.status(200).end(url);
@@ -305,7 +305,10 @@ async function post(req: NextApiRequest, res: NextApiResponse) {
 				// update the stats entries with the pdf url to prevent duplication
 				docsSnap.docs.forEach(async (doc) => {
 					await updateDoc(doc.ref, {
-						pdf: refName,
+						pdf: {
+							path: refName,
+							version: process.env.PDF_VERSION,
+						},
 					});
 				});
 				const url = await getDownloadURL(fileRef);
@@ -336,10 +339,10 @@ async function get(req: NextApiRequest, res: NextApiResponse) {
 
 	const stats = docsSnap.docs.map((d) => d.data());
 
-	const hasPDF = stats.find((s) => s.pdf);
+	const hasPDF = stats.find((s) => s.pdf?.path);
 
 	if (hasPDF) {
-		const fileRef = ref(storage, hasPDF.pdf);
+		const fileRef = ref(storage, hasPDF.pdf.path);
 		const url = await getDownloadURL(fileRef);
 		return res.redirect(url);
 	}

From 044a4f91aa7fcaa69967f0f19167a196674a887c Mon Sep 17 00:00:00 2001
From: Joao Ramos <joaomframos.1@gmail.com>
Date: Tue, 6 Feb 2024 19:19:03 +0000
Subject: [PATCH 2/3] Added PDF version to footer

---
 src/exams/pdf/test.report.footer.tsx | 26 +++++++++++++++++---------
 1 file changed, 17 insertions(+), 9 deletions(-)

diff --git a/src/exams/pdf/test.report.footer.tsx b/src/exams/pdf/test.report.footer.tsx
index 1f9f122e..8f6294b7 100644
--- a/src/exams/pdf/test.report.footer.tsx
+++ b/src/exams/pdf/test.report.footer.tsx
@@ -37,15 +37,7 @@ const TestReportFooter = ({ userId }: Props) => (
         </Text>
       </View>
     </View>
-    {userId && (
-      <View>
-        <Text style={styles.textBold}>
-          User ID:{" "}
-          <Text style={[styles.textFont, styles.textNormal]}>{userId}</Text>
-        </Text>
-      </View>
-    )}
-    <View style={{ paddingTop: 4 }}>
+    <View>
       <Text style={styles.textBold}>Declaration</Text>
       <Text style={{ paddingTop: 5 }}>
         We hereby declare that exam results on our platform, assessed by AI, are
@@ -57,6 +49,22 @@ const TestReportFooter = ({ userId }: Props) => (
         continuously enhance our system to ensure accuracy and reliability.
       </Text>
     </View>
+    <View style={{ paddingTop: 4 }}>
+      <Text style={styles.textBold}>
+        PDF Version:{" "}
+        <Text style={[styles.textFont, styles.textNormal]}>
+          {process.env.PDF_VERSION}
+        </Text>
+      </Text>
+    </View>
+    {userId && (
+      <View>
+        <Text style={styles.textBold}>
+          User ID:{" "}
+          <Text style={[styles.textFont, styles.textNormal]}>{userId}</Text>
+        </Text>
+      </View>
+    )}
     <View style={[styles.textColor, { paddingTop: 5 }]}>
       <Text style={styles.textUnderline}>info@encoach.com</Text>
       <Text>https://encoach.com</Text>

From 870ed57166b516cc29a07f1220b994cf65dec266 Mon Sep 17 00:00:00 2001
From: Joao Ramos <joaomframos.1@gmail.com>
Date: Wed, 7 Feb 2024 20:35:30 +0000
Subject: [PATCH 3/3] Swapped the grade for the level on the level display for
 an exam

---
 src/exams/Finish.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/exams/Finish.tsx b/src/exams/Finish.tsx
index cff00c5a..72190257 100644
--- a/src/exams/Finish.tsx
+++ b/src/exams/Finish.tsx
@@ -75,7 +75,7 @@ export default function Finish({user, scores, modules, isLoading, onViewResults}
 			const [levelStr, grade] = getLevelScore(level);
 			return (
 				<div className="flex flex-col items-center justify-center gap-1">
-					<span className="text-xl font-bold">{grade}</span>
+					<span className="text-xl font-bold">{levelStr}</span>
 				</div>
 			);
 		}