add results page

1 files changed, 32 insertions, 0 deletions

diff --git a/app/client/util/sort.js b/app/client/util/sort.js
new file mode 100644
index 0000000..cc1b462
--- /dev/null
+++ b/app/client/util/sort.js
@@ -0,0 +1,32 @@
+export const numericSort = {
+  asc: (a,b) => a[0] - b[0],
+  desc: (a,b) => b[0] - a[0],
+}
+export const stringSort = {
+  asc: (a,b) => a[0].localeCompare(b[0]),
+  desc: (a,b) => b[0].localeCompare(a[0]),
+}
+export const orderByFn = (s='name asc') => {
+  const [field='name', direction='asc'] = s.split(' ')
+  let mapFn, sortFn
+  switch (field) {
+    case 'epoch':
+      mapFn = a => [parseInt(a.epoch || a.epochs) || 0, a]
+      sortFn = numericSort[direction]
+      break
+    case 'size':
+      mapFn = a => [a.size, a]
+      sortFn = numericSort[direction]
+      break
+    case 'date':
+      mapFn = a => [+new Date(a.date || a.created_at), a]
+      sortFn = numericSort[direction]
+      break
+    case 'name':
+    default:
+      mapFn = a => [a.id || a.name, a]
+      sortFn = stringSort[direction]
+      break
+  }
+  return { mapFn, sortFn }
+}