diff --git a/Gemfile b/Gemfile
index 502c80e..169cbfd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -71,3 +71,5 @@ group :test do
end
gem 'inline_svg', '~> 1.9'
+
+gem "pdf-reader", "~> 2.12"
diff --git a/Gemfile.lock b/Gemfile.lock
index 6ba0249..0772e33 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,6 +1,7 @@
GEM
remote: https://rubygems.org/
specs:
+ Ascii85 (1.1.1)
actioncable (7.1.3.4)
actionpack (= 7.1.3.4)
activesupport (= 7.1.3.4)
@@ -77,6 +78,7 @@ GEM
tzinfo (~> 2.0)
addressable (2.8.7)
public_suffix (>= 2.0.2, < 7.0)
+ afm (0.2.2)
base64 (0.2.0)
bigdecimal (3.1.8)
bindex (0.8.1)
@@ -105,6 +107,7 @@ GEM
i18n (>= 1.8.11, < 2)
globalid (1.2.1)
activesupport (>= 6.1)
+ hashery (2.1.2)
i18n (1.14.5)
concurrent-ruby (~> 1.0)
importmap-rails (2.0.1)
@@ -158,6 +161,12 @@ GEM
racc (~> 1.4)
nokogiri (1.16.7-x86_64-linux)
racc (~> 1.4)
+ pdf-reader (2.12.0)
+ Ascii85 (~> 1.0)
+ afm (~> 0.2.1)
+ hashery (~> 2.0)
+ ruby-rc4
+ ttfunk
psych (5.1.2)
stringio
public_suffix (6.0.1)
@@ -213,6 +222,7 @@ GEM
io-console (~> 0.5)
rexml (3.3.4)
strscan
+ ruby-rc4 (0.1.5)
rubyzip (2.3.2)
selenium-webdriver (4.23.0)
base64 (~> 0.2)
@@ -251,6 +261,8 @@ GEM
railties (>= 7.0.0)
thor (1.3.1)
timeout (0.4.1)
+ ttfunk (1.8.0)
+ bigdecimal (~> 3.1)
turbo-rails (2.0.6)
actionpack (>= 6.0.0)
activejob (>= 6.0.0)
@@ -287,6 +299,7 @@ DEPENDENCIES
importmap-rails
inline_svg (~> 1.9)
jbuilder
+ pdf-reader (~> 2.12)
puma (>= 5.0)
rails (~> 7.1.3, >= 7.1.3.4)
redis (>= 4.0.1)
diff --git a/app/models/job.rb b/app/models/job.rb
index 25b786a..8a520f0 100644
--- a/app/models/job.rb
+++ b/app/models/job.rb
@@ -2,7 +2,7 @@ class Job < ApplicationRecord
belongs_to :operator, class_name: 'User', optional: true
belongs_to :costumer, class_name: 'User', optional: true
- has_one_attached :pdf, dependent: :destroy
+ has_one_attached :pdf, dependent: :purge
validates_presence_of :costumer_firstname, :costumer_lastname, :privacy_policy_accepted, :pdf
validate :acceptable_pdf
@@ -11,6 +11,9 @@ class Job < ApplicationRecord
before_save :update_paid_at, if: :will_save_change_to_status?
before_save :update_status_changed_at, if: :will_save_change_to_status?
+ # TODO: works only when job is created. Should move analyzer to activestorage :https://discuss.rubyonrails.org/t/active-storage-in-production-lessons-learned-and-in-depth-look-at-how-it-works/83289
+ after_create_commit :analyze_pdf
+
# NOTE: Multiple status if paing before brinting?
enum status: {
open: 0,
@@ -53,12 +56,10 @@ class Job < ApplicationRecord
def acceptable_pdf
return unless pdf.attached?
- errors.add(:pdf, 'is too big') unless pdf.blob.byte_size <= 100.megabyte
-
acceptable_types = ['application/pdf']
- return if acceptable_types.include?(pdf.content_type)
- errors.add(:pdf, 'must be a PDF')
+ errors.add(:pdf, 'is too big') unless pdf.blob.byte_size <= 100.megabyte
+ errors.add(:pdf, 'must be a PDF') unless acceptable_types.include?(pdf.content_type)
end
def able_to_cancel?
@@ -84,4 +85,29 @@ class Job < ApplicationRecord
def update_status_changed_at
self.status_changed_at = Time.now
end
+
+ def analyze_pdf
+ # return unless pdf.attached? && pdf.new_record?
+
+ # TODO: add any check if attachment has changed
+
+ # pdfs.each do |pdf|
+ pdf.blob.open do |file|
+ self.number_of_plans_a0 = 0
+ self.number_of_plans_a1 = 0
+ self.number_of_plans_a2 = 0
+ self.number_of_plans_a3 = 0
+ self.costum_qm_plan = 0
+ # file = ActiveStorage::Blob.service.path_for(pdf.key).to_s
+ pdf_analyzer = Services::PdfAnalyzer.new(file)
+ pdf_analyzer.analyze
+ self.number_of_plans_a0 += pdf_analyzer.pages_a0
+ self.number_of_plans_a1 += pdf_analyzer.pages_a1
+ self.number_of_plans_a2 += pdf_analyzer.pages_a2
+ self.number_of_plans_a3 += pdf_analyzer.pages_a3
+ self.costum_qm_plan += pdf_analyzer.costum_qm
+ save
+ end
+ # end
+ end
end
diff --git a/app/views/jobs/_job_tr.html.erb b/app/views/jobs/_job_tr.html.erb
index 2e23249..bef53dc 100644
--- a/app/views/jobs/_job_tr.html.erb
+++ b/app/views/jobs/_job_tr.html.erb
@@ -5,13 +5,16 @@
| <%= job.fullname %> |
<% if job.pdf.attached? %>
- <%= job.pdf.filename %><%=number_to_human_size job.pdf.blob.byte_size%>
+ <%#= link_to job.pdf.filename, rails_blob_path(job.pdf, disposition: "attachment") %>
+ <%= link_to job.pdf.filename, job.pdf, download:true %>
+ <%=number_to_human_size job.pdf.blob.byte_size%>
<% end %>
|
<%= job.number_of_plans_a0 %> |
<%= job.number_of_plans_a1 %> |
<%= job.number_of_plans_a2 %> |
<%= job.number_of_plans_a3 %> |
+ <%= job.costum_qm_plan.round(2) %> |
<%= job.status %>
|
diff --git a/app/views/jobs/index.html.erb b/app/views/jobs/index.html.erb
index abc0735..0dfc387 100644
--- a/app/views/jobs/index.html.erb
+++ b/app/views/jobs/index.html.erb
@@ -17,6 +17,7 @@
A1 |
A2 |
A3 |
+ qm |
Status |
Actions |
diff --git a/db/seeds.rb b/db/seeds.rb
index 2c7fe15..adbe0c7 100644
--- a/db/seeds.rb
+++ b/db/seeds.rb
@@ -17,18 +17,18 @@ end
['GanzWichtig.pdf', 'IchBinIn5MinDran.pdf', 'DerPlanDerImmerProblemeMacht.pdf',
'DieFarbenGefallenMirNicht.pdf', 'MachHinIchHabsEilig.pdf', 'WarumDauertDasSoLange.pdf',
'DenPlanBezahleIchNicht.pdf', 'IchWarAlsErstesDran.pdf', 'WarumIstDerPlotterDefekt.pdf', 'DasNächsteMalGeheIchWoAndersHin.pdf'].shuffle.each do |pdf|
- a0 = rand(0...7)
- a1 = rand(0...7)
- a2 = rand(0...7)
- a3 = rand(0...7)
- a0.zero? || a1 = 0 && a2 = 0 && a3 = 0
- a1.zero? || a2 = 0 && a3 = 0
- a2.zero? || a3 = 0
+ # a0 = rand(0...7)
+ # a1 = rand(0...7)
+ # a2 = rand(0...7)
+ # a3 = rand(0...7)
+ # a0.zero? || a1 = 0 && a2 = 0 && a3 = 0
+ # a1.zero? || a2 = 0 && a3 = 0
+ # a2.zero? || a3 = 0
status = %i[open open open open open open open open open open open open open open
printing ready_for_pickup paid canceled].sample
job = Job.new(costumer_firstname: Faker::Name.unique.first_name, costumer_lastname: Faker::Name.unique.last_name,
- number_of_plans_a0: a0, number_of_plans_a1: a1, number_of_plans_a2: a2, number_of_plans_a3: a3,
+ # number_of_plans_a0: a0, number_of_plans_a1: a1, number_of_plans_a2: a2, number_of_plans_a3: a3,
status:, privacy_policy_accepted: true)
job.pdf = File.open(Rails.root.join('db/pdfs/', pdf))
job.save!
diff --git a/lib/services/pdf_analyzer.rb b/lib/services/pdf_analyzer.rb
new file mode 100644
index 0000000..6ba94ee
--- /dev/null
+++ b/lib/services/pdf_analyzer.rb
@@ -0,0 +1,80 @@
+module Services
+ # Class to analyze PDF to extract number of pages from a0 to a3 and costum qm
+ class PdfAnalyzer
+ require 'pdf/reader'
+ require 'bigdecimal'
+
+ attr_reader :costum_qm, :pages_a0, :pages_a1, :pages_a2, :pages_a3
+
+ def initialize(file)
+ @reader = PDF::Reader.new(file)
+
+ @pages_a0 = 0
+ @pages_a1 = 0
+ @pages_a2 = 0
+ @pages_a3 = 0
+ @costum_qm = 0
+
+ @page_width = 0
+ @page_height = 0
+ end
+
+ def analyze
+ @reader.pages.each do |page|
+ format = extract_format(page)
+ case format
+ when 'a0'
+ @pages_a0 += 1
+ when 'a1'
+ @pages_a1 += 1
+ when 'a2'
+ @pages_a2 += 1
+ when 'a3'
+ @pages_a3 += 1
+ else
+ @costum_qm += calculate_qm
+ end
+ end
+ end
+
+ private
+
+ def calculate_qm
+ (@page_width / 1000) * (@page_height / 1000)
+ end
+
+ def extract_format(page)
+ # debugger
+ extract_size(page)
+ return 'a0' if @page_width.round == 841 && @page_height.round == 1189
+ return 'a1' if @page_width.round == 594 && @page_height.round == 841
+ return 'a2' if @page_width.round == 420 && @page_height.round == 594
+ return 'a3' if @page_width.round == 297 && @page_height.round == 420
+
+ 'costum'
+ end
+
+ def extract_size(page)
+ # debugger
+ bbox = page.attributes[:MediaBox] # CropBox
+ width = bbox[2] - bbox[0]
+ height = bbox[3] - bbox[1]
+ width_in_mm = pt2mm(width)
+ height_in_mm = pt2mm(height)
+ width_in_mm, height_in_mm = height_in_mm, width_in_mm if width_in_mm > height_in_mm
+
+ @page_width = width_in_mm
+ @page_height = height_in_mm
+
+ nil
+ end
+
+ def pt2mm(pt)
+ (pt2in(pt) * BigDecimal('25.4')).round(2)
+ end
+
+ def pt2in(pt)
+ (pt / BigDecimal('72')).round(2)
+ end
+ end
+end