From b49426a9df1bed090eff8e058addbe6a8bd972ec Mon Sep 17 00:00:00 2001
From: radex <radexpl@gmail.com>
Date: Thu, 21 May 2020 00:33:57 +0200
Subject: [PATCH] Prepare for zebra, add owner name if present

---
 main.rb | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/main.rb b/main.rb
index 64b3306..65a7403 100644
--- a/main.rb
+++ b/main.rb
@@ -67,7 +67,10 @@ def render_identicode(data, id, extent)
   fill_color '000000'
 end
 
-def render_label(item_or_label_id, size = [89, 36])
+DYMO_LABEL_SIZE = [89, 36]
+ZEBRA_LABEL_SIZE = [100, 60]
+
+def render_label(item_or_label_id, size: DYMO_LABEL_SIZE)
   item = api("items/#{item_or_label_id}")
 
   pdf = Prawn::Document.new(page_size: size.map { |x| mm2pt(x) },
@@ -82,17 +85,23 @@ def render_label(item_or_label_id, size = [89, 36])
     font 'DejaVuSans'
 
     # Width of right side
-    rw = bounds.height/2
+    qr_size = [bounds.height / 2, 27].max
 
     # Right side
-    bounding_box([bounds.right - rw, bounds.top], width: rw) do
+    bounding_box([bounds.right - qr_size, bounds.top], width: qr_size) do
       print_qr_code CODE_PREFIX + item['short_id'], stroke: false,
         foreground_color: '000000',
         extent: bounds.width, margin: 0, pos: bounds.top_left
+
+      owner_text = item["owner"] ? "owner: #{item['owner']}\n\n" : ""
+      metadata_text = owner_text # todo: creation date?
+
+      text_box metadata_text,
+        at: [bounds.right - qr_size, -7], size: 8, align: :right, overflow: :shrink_to_fit
     end
 
     # Left side
-    bounding_box(bounds.top_left, width: bounds.width - rw) do
+    bounding_box(bounds.top_left, width: bounds.width - qr_size) do
       text_box item['name'],
         size: 40, align: :center, valign: :center, width: bounds.width-10,
         inline_format: true, overflow: :shrink_to_fit, disable_wrap_by_char: true
@@ -104,23 +113,23 @@ end
 
 set :bind, '0.0.0.0'
 
-get '/api/1/preview/:label.pdf' do
+get '/api/1/preview/:id.pdf' do
   headers["Content-Type"] = "application/pdf; charset=utf8"
-  render_label params["label"]
+  render_label params["id"]
 end
 
-get '/api/1/preview/:label.png' do
+get '/api/1/preview/:id.png' do
   headers["Content-Type"] = "image/png"
   img = Magick::ImageList.new()
-  img = img.from_blob(render_label(params["label"])){ self.density = 200 }.first
+  img = img.from_blob(render_label(params["id"])){ self.density = 200 }.first
   img.format = 'png'
   img.background_color = 'white'
   img.to_blob
 end
 
-post '/api/1/print/:label' do
+post '/api/1/print/:id' do
   temp = Tempfile.new('labelmaker')
-  temp.write(render_label(params["label"]))
+  temp.write(render_label(params["id"]))
   temp.close
   system("lpr -P DYMO_LabelWriter_450 #{temp.path}")
 end