feat: significantly reduce build times

src/data/concerts.js

@@ -0,0 +1,80 @@
+import { createClient } from '@supabase/supabase-js'
+import { sanitizeMediaString, parseCountryField } from '../../config/utilities/index.js'
+
+const SUPABASE_URL = process.env.SUPABASE_URL
+const SUPABASE_KEY = process.env.SUPABASE_KEY
+const supabase = createClient(SUPABASE_URL, SUPABASE_KEY)
+const PAGE_SIZE = 500
+
+const fetchAllConcerts = async () => {
+  let concerts = []
+  let rangeStart = 0
+
+  while (true) {
+    const { data, error } = await supabase
+      .from('optimized_concerts')
+      .select(`
+        id,
+        date,
+        artist_name_string,
+        venue,
+        concert_notes,
+        artist,
+        venue_name,
+        latitude,
+        longitude,
+        bounding_box,
+        venue_notes,
+        artist_name,
+        artist_mbid,
+        artist_country
+      `)
+      .range(rangeStart, rangeStart + PAGE_SIZE - 1)
+
+    if (error) {
+      console.error('Error fetching concerts:', error)
+      break
+    }
+
+    concerts = concerts.concat(data)
+    if (data.length < PAGE_SIZE) break
+    rangeStart += PAGE_SIZE
+  }
+
+  return concerts
+}
+
+const processConcerts = (concerts) => {
+  return concerts.map(concert => ({
+    id: concert['id'],
+    date: concert['date'],
+    artist_name_string: concert['artist_name_string'],
+    venue: {
+      id: concert['venue'],
+      name: concert['venue_name'],
+      latitude: concert['latitude'],
+      longitude: concert['longitude'],
+      bounding_box: concert['bounding_box'],
+      notes: concert['venue_notes']
+    },
+    notes: concert['concert_notes'],
+    artist: concert['artist'] ? {
+      id: concert['artist'],
+      name: concert['artist_name'],
+      mbid: concert['artist_mbid'],
+      country: parseCountryField(concert['artist_country'])
+    } : null,
+    url: `/concerts/${concert['id']}`,
+    artist_url: concert['artist'] ? `/music/artists/${sanitizeMediaString(concert['artist_name'])}-${sanitizeMediaString(parseCountryField(concert['artist_country']))}` : null
+  }))
+}
+
+export default async function () {
+  try {
+    const concerts = await fetchAllConcerts()
+    return processConcerts(concerts)
+  } catch (error) {
+    console.error('Error fetching and processing concerts data:', error)
+    return []
+  }
+}