Support batched updates with NDJSON and CSV

lib/meilisearch/index.rb

@@ -173,6 +173,20 @@ def update_documents_csv(documents, primary_key = nil, delimiter = nil)
     end
     alias add_or_update_documents_csv add_documents_csv
 
+    def update_documents_ndjson_in_batches(documents, batch_size = 1000, primary_key = nil)
+      documents.lines.each_slice(batch_size).map do |batch|
+        update_documents_ndjson(batch.join, primary_key)
+      end
+    end
+
+    def update_documents_csv_in_batches(documents, batch_size = 1000, primary_key = nil, delimiter = nil)
+      lines = documents.lines
+      heading = lines.first
+      lines.drop(1).each_slice(batch_size).map do |batch|
+        update_documents_csv(heading + batch.join, primary_key, delimiter)
+      end
+    end
+
     def update_documents!(documents, primary_key = nil)
       Utils.soft_deprecate(
         'Index#update_documents!',

spec/meilisearch/index/documents_spec.rb

@@ -259,6 +259,71 @@
           }
         )
       end
+
+      it '#update_documents_ndjson_in_batches' do
+        index.add_documents_ndjson(ndjson_docs, 'objectRef').await
+
+        edits = <<~EDITS
+          { "objectRef": 123, "comment": "AN OLD BOOK" }
+          { "objectRef": 456, "title": "The Little Prince" }
+          { "objectRef": 55, "comment": "A SCI FI BOOK" }
+        EDITS
+
+        tasks = index.update_documents_ndjson_in_batches(edits, 2)
+        expect(tasks).to contain_exactly(a_kind_of(Meilisearch::Models::Task),
+                                         a_kind_of(Meilisearch::Models::Task))
+        tasks.each(&:await)
+        expect(index.documents['results']).to include(
+          {
+            'objectRef' => 123,
+            'title' => 'Pride and Prejudice',
+            'comment' => 'AN OLD BOOK'
+          },
+          {
+            'objectRef' => 456,
+            'title' => 'The Little Prince',
+            'comment' => 'A french book'
+          },
+          {
+            'objectRef' => 55,
+            'title' => 'The Three Body Problem',
+            'comment' => 'A SCI FI BOOK'
+          }
+        )
+      end
+
+      it '#update_documents_csv_in_batches' do
+        index.add_documents_csv(csv_docs, 'objectRef').await
+        edits = <<~CSV
+          "objectRef:number"|"comment:string"
+          "123"|"AN OLD BOOK"
+          "456"|"AN EXQUISITE FRENCH BOOK"
+          "55"|"A SCI FI BOOK"
+        CSV
+
+        tasks = index.update_documents_csv_in_batches(edits, 2, 'objectRef', '|')
+        expect(tasks).to contain_exactly(a_kind_of(Meilisearch::Models::Task),
+                                         a_kind_of(Meilisearch::Models::Task))
+        tasks.each(&:await)
+
+        expect(index.documents['results']).to include(
+          {
+            'objectRef' => 123,
+            'title' => 'Pride and Prejudice',
+            'comment' => 'AN OLD BOOK'
+          },
+          {
+            'objectRef' => 456,
+            'title' => 'Le Petit Prince',
+            'comment' => 'AN EXQUISITE FRENCH BOOK'
+          },
+          {
+            'objectRef' => 55,
+            'title' => 'The Three Body Problem',
+            'comment' => 'A SCI FI BOOK'
+          }
+        )
+      end
     end
 
     describe '#add_documents!' do