chore: update searchkick mappings for metadata to index fields ending…

… in _date as date and other fields as both text and numeric

app/models/sample.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # entity class for Sample
-class Sample < ApplicationRecord
+class Sample < ApplicationRecord # rubocop:disable Metrics/ClassLength
   include MetadataSortable
   include HasPuid
   include History
@@ -12,6 +12,35 @@ class Sample < ApplicationRecord
   acts_as_paranoid
 
   searchkick \
+    merge_mappings: true,
+    mappings: { dynamic_templates: [
+      {
+        metadata_dates: {
+          path_match: 'metadata.*_date',
+          mapping: {
+            type: 'date',
+            ignore_malformed: true
+          }
+        }
+      }, {
+        metadata_non_dates: {
+          path_match: 'metadata.*',
+          path_unmatch: 'metadata.*_date',
+          mapping: {
+            type: 'text',
+            fields: {
+              numeric: {
+                type: 'double',
+                ignore_malformed: true
+              }
+            }
+          }
+        }
+      }
+    ] },
+    settings: {
+      number_of_shards: 1
+    },
     deep_paging: true,
     text_middle: %i[name puid]
 
@@ -91,11 +120,11 @@ def search_data
       name: name,
       puid: puid,
       project_id: project_id,
-      metadata: metadata.as_json,
+      metadata: metadata.transform_keys { |k| k.gsub('.', '___') },
       created_at: created_at,
       updated_at: updated_at,
       attachments_updated_at: attachments_updated_at
-    }
+    }.compact
   end
 
   def should_index?