From 3ced15e1cc3fc95597e18f34b43a8c56458f7bdb Mon Sep 17 00:00:00 2001
From: Marios Antonoudiou <mariosant@sent.com>
Date: Sun, 25 May 2025 22:33:13 +0300
Subject: [PATCH] Take previous activities into consideration

---
 server/api/rewrite.post.ts                    | 12 ++++++-----
 .../webhooks/strava/activity-create.post.ts   | 12 ++++++-----
 server/utils/create-content.ts                | 21 +++++++++++++------
 3 files changed, 29 insertions(+), 16 deletions(-)

diff --git a/server/api/rewrite.post.ts b/server/api/rewrite.post.ts
index bd4fba2..9292a16 100644
--- a/server/api/rewrite.post.ts
+++ b/server/api/rewrite.post.ts
@@ -26,12 +26,14 @@ export default defineEventHandler(async (event) => {
 
   const strava = await useStrava(session.user.id);
 
-  const activity = await strava!<any>(`/activities/${activityId}`);
+  const currentActivity = await strava!<any>(`/activities/${activityId}`);
+  const [, ...previousActivities] = await strava!<any[]>(`/activities`);
 
-  const [aiError, stravaRequestBody] = await createActivityContent(
-    activity,
-    user!,
-  );
+  const [aiError, stravaRequestBody] = await createActivityContent({
+    currentActivity,
+    previousActivities,
+    user: user!,
+  });
   if (aiError) {
     throw createError({
       statusCode: 500,
diff --git a/server/routes/webhooks/strava/activity-create.post.ts b/server/routes/webhooks/strava/activity-create.post.ts
index 7eb93f2..6c22d34 100644
--- a/server/routes/webhooks/strava/activity-create.post.ts
+++ b/server/routes/webhooks/strava/activity-create.post.ts
@@ -18,12 +18,14 @@ export default defineEventHandler(async (event) => {
 
   const strava = await useStrava(body.owner_id);
 
-  const activity = await strava!<any>(`/activities/${body.object_id}`);
+  const currentActivity = await strava!<any>(`/activities/${body.object_id}`);
+  const [, ...previousActivities] = await strava!<any[]>(`/activities`);
 
-  const [aiError, stravaRequestBody] = await createActivityContent(
-    activity,
-    user,
-  );
+  const [aiError, stravaRequestBody] = await createActivityContent({
+    currentActivity,
+    previousActivities,
+    user: user!,
+  });
   if (aiError) {
     throw createError({
       statusCode: 500,
diff --git a/server/utils/create-content.ts b/server/utils/create-content.ts
index b53d031..0a12b95 100644
--- a/server/utils/create-content.ts
+++ b/server/utils/create-content.ts
@@ -1,4 +1,4 @@
-import { chain, draw, get, omit, tryit } from "radash";
+import { chain, draw, get, omit, pick, tryit } from "radash";
 import { safeDestr } from "destr";
 import { User } from "./drizzle";
 
@@ -104,10 +104,15 @@ const stringifyActivity = chain<[Activity], Activity, string>(
   (activity) => JSON.stringify(activity),
 );
 
-export const createActivityContent = async (
-  activity: Activity,
-  user: User & { preferences: any },
-) => {
+export const createActivityContent = async ({
+  currentActivity,
+  previousActivities,
+  user,
+}: {
+  currentActivity: Activity;
+  previousActivities: Activity[];
+  user: User & { preferences: any };
+}) => {
   const openai = useOpenAI();
 
   const tone = draw([
@@ -131,6 +136,7 @@ export const createActivityContent = async (
     Generate a short title and a ${length}-lengthed description for my strava activity. Use my preferred language and unit system.
     Try to not exaggerate as I am using Strava often and I want my activites to be unique and easy to read. Don't say things like nothing too fancy or wild.
     Use a little bit of ${tone} to make things less boring. Highlight any PR only if available, do not mention them if no PRs.
+    Maybe comment if any interesting fact in comparison to previous activities.
 
     Add #${tone} at the end of the description. Depending the length of the description, maybe add more hashtags.
 
@@ -143,7 +149,10 @@ export const createActivityContent = async (
     Convert distance to larger units when appropriate, keep in mind we don't need much accuracy.
 
     The activity data in json format from strava:
-    ${stringifyActivity(activity)}
+    ${stringifyActivity(currentActivity)}
+
+    The recent previous activities in json format:
+    ${previousActivities.map((a) => pick(a, ["distance", "moving_time", "total_elavation_gain", "type", "start_date", "average_speed", "average_watts", "average_heartrate", "max_heartrate"])).map(stringifyActivity)}
   `;
 
   const [aiError, aiResponse] = await openai("/responses", {