import pinboard archive

db.rb

@@ -0,0 +1,5 @@
+require "logger"
+
+require "sequel"
+
+DB = Sequel.connect(ENV.fetch("DATABASE_URL"), loggers: [Logger.new($stdout)])

db/migrations/001_create_entities.rb

@@ -3,8 +3,8 @@ Sequel.migration do
     create_table(:entities) do
       primary_key :id
 
-      DateTime :created_at
-      DateTime :modified_at
+      DateTime :created_at, null: false
+      DateTime :modified_at, null: false
     end
   end
 end

db/migrations/002_pinboard_archive.rb

@@ -0,0 +1,13 @@
+Sequel.migration do
+  change do
+    create_table(:pinboard) do
+      primary_key :id
+      foreign_key :entity_id, :entities
+
+      String :json, text: true, null: false
+
+      DateTime :created_at, null: false
+      DateTime :modified_at, null: false
+    end
+  end
+end

db/migrations/003_enforce_unique_entities_on_pinboard.rb

@@ -0,0 +1,7 @@
+Sequel.migration do
+  change do
+    alter_table(:pinboard) do
+      add_unique_constraint(:entity_id)
+    end
+  end
+end

scripts/20231111_archive_pinboard.rb

@@ -0,0 +1,15 @@
+require "json"
+
+require_relative "../db"
+
+entities = DB[:entities]
+pinboard = DB[:pinboard]
+
+path = File.expand_path("~/Downloads/pinboard_export.2023.11.11_23.05.json_nd")
+File.foreach(path).with_index do |line, i|
+  created_at = modified_at = DateTime.now
+  json = line.chomp
+
+  entity_id = entities.insert(created_at:, modified_at:)
+  pinboard.insert(entity_id:, json: , created_at:, modified_at:)
+end