fix: put back caching

Author: Gugustinette

server/api/gravatar.get.ts

@@ -11,30 +11,42 @@ function getQueryParam(event: H3Event, key: string): string {
   return Array.isArray(value) ? String(value[0] ?? '') : String(value ?? '')
 }
 
-export default defineCachedEventHandler(async event => {
-  const rawUsername = getQueryParam(event, 'username')
-  const rawSize = getQueryParam(event, 'size')
+export default defineCachedEventHandler(
+  async event => {
+    const rawUsername = getQueryParam(event, 'username')
+    const rawSize = getQueryParam(event, 'size')
 
-  try {
-    const { username, size } = v.parse(GravatarQuerySchema, {
-      username: rawUsername,
-      size: rawSize ? rawSize : undefined,
-    })
+    try {
+      const { username, size } = v.parse(GravatarQuerySchema, {
+        username: rawUsername,
+        size: rawSize ? rawSize : undefined,
+      })
+
+      const dataUrl = await getGravatarFromUsername(username, size ?? 80)
 
-    const dataUrl = await getGravatarFromUsername(username, size ?? 80)
+      if (!dataUrl) {
+        throw createError({
+          statusCode: 404,
+          message: ERROR_GRAVATAR_EMAIL_UNAVAILABLE,
+        })
+      }
 
-    if (!dataUrl) {
-      throw createError({
-        statusCode: 404,
-        message: ERROR_GRAVATAR_EMAIL_UNAVAILABLE,
+      return { url: dataUrl }
+    } catch (error: unknown) {
+      handleApiError(error, {
+        statusCode: 502,
+        message: ERROR_GRAVATAR_FETCH_FAILED,
       })
     }
-
-    return { url: dataUrl }
-  } catch (error: unknown) {
-    handleApiError(error, {
-      statusCode: 502,
-      message: ERROR_GRAVATAR_FETCH_FAILED,
-    })
-  }
-})
+  },
+  {
+    maxAge: CACHE_MAX_AGE_ONE_DAY,
+    swr: true,
+    getKey: event => {
+      const username = getQueryParam(event, 'username').trim().toLowerCase()
+      const size = getQueryParam(event, 'size') || '80'
+      const defaultImg = getQueryParam(event, 'default') || '404'
+      return `gravatar:v1:${username}:${size}:${defaultImg}`
+    },
+  },
+)