Track daily unique launches

Author: BlakeBr0

apps/api/src/plugins/cache.ts

@@ -30,6 +30,14 @@ class Cache {
   async hasLaunch(mod: string, version: string, ip: string) {
     return this.cache.has(`launch:${mod}:${version}:${ip}`);
   }
+
+  async setUniqueLaunch(mod: string, version: string, ip: string) {
+    return this.cache.set(`unique_launch:${mod}:${version}:${ip}`, 1, "24h");
+  }
+
+  async hasUniqueLaunch(mod: string, version: string, ip: string) {
+    return this.cache.has(`unique_launch:${mod}:${version}:${ip}`);
+  }
 }
 
 export default async function (fastify: FastifyInstance) {

apps/api/src/routes/v2/mods/routes.ts

@@ -237,6 +237,27 @@ export const plugin: FastifyPluginAsyncZod = async fastify => {
         await cache.setLaunch(mod_id, mc_version_group, request.ip);
       }
 
+      const hasUniqueLaunch = await cache.hasUniqueLaunch(
+        mod_id,
+        mc_version_group,
+        request.ip
+      );
+
+      if (!hasUniqueLaunch) {
+        await db.collection<ModStats>(Collections.ModStats).updateOne(
+          {
+            mod_id
+          },
+          {
+            $inc: {
+              [`unique_launches.${mc_version_group}.${dayjs().format("YYYY.M.D")}`]: 1
+            }
+          }
+        );
+
+        await cache.setUniqueLaunch(mod_id, mc_version_group, request.ip);
+      }
+
       return {
         // NOTE: the website uses the same slug format (includes dashes)
         homepage: `https://blakesmods.com/${mod!.curseforge_slug}`,

packages/db/src/models.ts

@@ -45,6 +45,7 @@ export interface ModStats {
   mod_id: string;
   downloads: Record<any, any>;
   launches: Record<any, any>;
+  unique_launches: Record<any, any>;
 }
 
 export interface PageViews {