Merge pull request #6393 from manyfold3d/print-with-moonraker

Add Moonraker API (Klipper) print service

Author: Floppy

Gemfile

@@ -237,3 +237,5 @@ gem "marcel", "~> 1.2"
 gem "naturally", "~> 2.3"
 
 gem "rouge", "~> 5.0"
+
+gem "faraday-multipart", "~> 1.2"

Gemfile.lock

@@ -276,6 +276,8 @@ GEM
       logger
     faraday-follow_redirects (0.5.0)
       faraday (>= 1, < 3)
+    faraday-multipart (1.2.0)
+      multipart-post (~> 2.0)
     faraday-net_http (3.4.2)
       net-http (~> 0.5)
     fasp_client (0.6.0)
@@ -511,6 +513,7 @@ GEM
       mittsu (~> 0.4)
     msgpack (1.8.1)
     multi_json (1.21.1)
+    multipart-post (2.4.1)
     mutex_m (0.3.0)
     mysql2 (0.5.6)
     nanoid (2.0.0)
@@ -1018,6 +1021,7 @@ DEPENDENCIES
   erb_lint (~> 0.9)
   factory_bot
   faker (~> 3.8)
+  faraday-multipart (~> 1.2)
   fasp_client (~> 0.6)
   federails!
   federails-moderation (~> 0.4)
@@ -1204,6 +1208,7 @@ CHECKSUMS
   faker (3.8.0) sha256=c147b308df73a90f27a4fc84f18d4c22ef0ad9c2a64b2b61c86fd0ca71753efc
   faraday (2.14.2) sha256=73ccb9994a9e8648f010e32eca2ae82e41c57860aa10932cda29418b9e0223ad
   faraday-follow_redirects (0.5.0) sha256=5cde93c894b30943a5d2b93c2fe9284216a6b756f7af406a1e55f211d97d10ad
+  faraday-multipart (1.2.0) sha256=7d89a949693714176f612323ca13746a2ded204031a6ba528adee788694ef757
   faraday-net_http (3.4.2) sha256=f147758260d3526939bf57ecf911682f94926a3666502e24c69992765875906c
   fasp_client (0.6.0) sha256=c1fba106ec3608bc9e9d83b9384645e5339ad637169b696d28a1823164352775
   federails (0.8.0)
@@ -1294,6 +1299,7 @@ CHECKSUMS
   mittsu-mesh_analysis (0.1.0) sha256=13550c35e56bcd10cbe8284fe1b3cf3a43f7bb7133f47995e0c8a8b5d2a9cd50
   msgpack (1.8.1) sha256=3fef787cd3965fd119c08a22724a56a93ca25008c3421fc15039f603a8b7c86c
   multi_json (1.21.1) sha256=e6126a31808e3b4d19f483c775ceac34df190dffa62adfb63a165ee14ba68080
+  multipart-post (2.4.1) sha256=9872d03a8e552020ca096adadbf5e3cb1cd1cdd6acd3c161136b8a5737cdb4a8
   mutex_m (0.3.0) sha256=cfcb04ac16b69c4813777022fdceda24e9f798e48092a2b817eb4c0a782b0751
   mysql2 (0.5.6) sha256=70f447d45d6b3cc16b00f7dd30366f708a81b4093a35d026ff7135d778d8da33
   nanoid (2.0.0) sha256=78a5c93c1595981fb37712a166d7ea1ef15a679553e5d3c72337f231febd8bfc

app/services/print/moonraker_service.rb

@@ -0,0 +1,58 @@
+require "faraday"
+require "faraday/multipart"
+
+class Print::MoonrakerService
+  # i18n-tasks-use t("print_hosts.protocols.moonraker")
+  PROTOCOL = "moonraker".freeze
+
+  INPUT_TYPES = [Mime[:gcode]].freeze
+
+  def initialize(print_host:)
+    @print_host = print_host
+  end
+
+  def ok?
+    response = connection.get(info_uri, {}, headers)
+    response.success?
+  rescue
+    false
+  end
+
+  def upload(file:, start_print: true)
+    raise ArgumentError unless file.mime_type.to_sym == :gcode
+    connection.post(upload_uri, payload(file: file, start_print: start_print), headers)
+  end
+
+  private
+
+  def connection
+    Faraday.new do
+      it.request :multipart
+    end
+  end
+
+  def payload(file:, start_print: true)
+    {
+      print: start_print ? "true" : "false",
+      file: Faraday::Multipart::FilePart.new(
+        file.attachment.open,
+        file.mime_type.to_s,
+        file.filename
+      )
+    }
+  end
+
+  def info_uri
+    "#{@print_host.endpoint}/server/info"
+  end
+
+  def upload_uri
+    "#{@print_host.endpoint}/server/files/upload"
+  end
+
+  def headers
+    {
+      "X-Api-Key" => @print_host.credentials
+    }.compact_blank
+  end
+end