add download student image zip

app/controllers/admin/olympiamanagements_controller.rb

@@ -3,7 +3,9 @@ class Admin::OlympiamanagementsController < OrbitAdminController
 	require 'rubyXL'
 	require 'fileutils'
 	require "axlsx"
+	before_action :create_first_fields
 	helper Admin::OlympiamanagementsHelper
+	load File.expand_path(__dir__)+'/zipgenerator.rb'
 	def index
 	end
 	def add_school_data
@@ -223,6 +225,12 @@ class Admin::OlympiamanagementsController < OrbitAdminController
 		tmp_filename_data = File.read(dir_path +@filename)
 		send_data(tmp_filename_data, type: 'application/xlsx', disposition: 'attachment', filename: @filename)
 	end
+	def sign_up_student_data_list
+		page_num = params[:page] || 1
+		@field_infos = StudentDataField.first.student_data_fields
+		@sign_up_setting_id = SignUpSetting.last.id
+		@student_fields = OlympiaStudentDataField.where(:olympia_school_data_fields_id=>params[:olympia_school_id],:sign_up_setting_id=>@sign_up_setting_id).asc(:id).page(page_num).per(10)
+	end
 	def export_sign_up_student_data
 		# @OlympiaSchoolDataFields = OlympiaSchoolDataFields.all.asc(:id)
 		# dir_path = 'tmp/olypiamanagement/'
@@ -238,10 +246,47 @@ class Admin::OlympiamanagementsController < OrbitAdminController
 		# send_data(tmp_filename_data, type: 'application/xlsx', disposition: 'attachment', filename: @filename)
 	end
 	def download_scan_file_of_certificate
+		@sign_up_setting_id = SignUpSetting.last.id
+		@student_data_list = OlympiaStudentDataField.where(:sign_up_setting_id=>@sign_up_setting_id)
+		@student_data_image_path_arr = @student_data_list.flat_map{|student_data| student_data.olympia_student_images}.map{|student_image| student_image.student_file.file.file}
+		zip_path = "tmp/student_images/#{@sign_up_setting_id}/"
+		tmp_filename = ''
+		FileUtils.rm_r(zip_path, :force => true) if Dir.exist?(zip_path)
+		FileUtils.mkdir_p zip_path #create dir for storing tmp_file
+		@student_data_image_path_arr.each do |image_path|
+			@pathname = Pathname.new(image_path)
+			@temp_name = @pathname.basename
+			Dir.chdir(@pathname.dirname.to_s) do
+				@index = 1
+				@original_filename =@pathname.basename.to_s
+				@new_pathname = Pathname.new("#{Rails.root}/#{zip_path}#{@original_filename}")
+				while @new_pathname.exist? do
+					@new_pathname = Pathname.new(@new_pathname.to_s.insert(@new_pathname.to_s.rindex('.'),"-#{@index}"))
+					@index += 1
+				end
+				#a[0...b].concat('-1').concat(a[b..-1])
+				FileUtils.cp(@original_filename,@new_pathname)
+			end
+		end
+		@filename = Pathname.new(zip_path).parent.to_s+"/#{Time.now.strftime('%Y_%m_%d')}_student_images.zip"
+		zip_file= ZipFileGenerator.new(zip_path,@filename)
+		begin
+			zip_file.write
+		rescue
+			File.delete(@filename)
+			zip_file.write
+		end
+		tmp_filename_data = File.read(@filename)
+		send_data(tmp_filename_data, type: 'application/zip', disposition: 'attachment', filename: Pathname.new(@filename).basename.to_s)
 	end
 	def import_editing_number_of_school_class
 		@olympia_school_data_field = OlympiaSchoolDataFields.new
 	end
+	def create_first_fields
+		StudentDataField.create if StudentDataField.all.length == 0
+		SchoolDataFields.create if StudentDataField.all.length == 0
+		SignUpSetting.create if SignUpSetting.all.length == 0
+	end
 	def download_import_file
 		@OlympiaSchoolDataFields = OlympiaSchoolDataFields.all.asc(:id)
 		dir_path = 'tmp/olypiamanagement/'

app/controllers/admin/zipgenerator.rb

@@ -0,0 +1,61 @@
+require 'zip'
+
+# This is a simple example which uses rubyzip to
+# recursively generate a zip file from the contents of
+# a specified directory. The directory itself is not
+# included in the archive, rather just its contents.
+#
+# Usage:
+#   directory_to_zip = "/tmp/input"
+#   output_file = "/tmp/out.zip"
+#   zf = ZipFileGenerator.new(directory_to_zip, output_file)
+#   zf.write()
+class ZipFileGenerator
+  # Initialize with the directory to zip and the location of the output archive.
+  def initialize(input_dir, output_file)
+    @input_dir = input_dir
+    @output_file = output_file
+  end
+
+  # Zip the input directory.
+  def write
+    entries = Dir.entries(@input_dir) - %w[. ..]
+
+    ::Zip::File.open(@output_file, ::Zip::File::CREATE) do |zipfile|
+      write_entries entries, '', zipfile
+    end
+  end
+  def extract_zip
+	  FileUtils.mkdir_p(@output_file)
+	  Zip::File.open(@input_dir) do |zip_file|
+		zip_file.each do |f|
+		  fpath = File.join(@output_file, f.name)
+		  zip_file.extract(f, fpath) unless File.exist?(fpath)
+		end
+	  end
+  end
+  private
+
+  # A helper method to make the recursion work.
+  def write_entries(entries, path, zipfile)
+    entries.each do |e|
+      zipfile_path = path == '' ? e : File.join(path, e)
+      disk_file_path = File.join(@input_dir, zipfile_path)
+
+      if File.directory? disk_file_path
+        recursively_deflate_directory(disk_file_path, zipfile, zipfile_path)
+      else
+        put_into_archive(disk_file_path, zipfile, zipfile_path)
+      end
+    end
+  end
+  def recursively_deflate_directory(disk_file_path, zipfile, zipfile_path)
+    zipfile.mkdir zipfile_path
+    subdir = Dir.entries(disk_file_path) - %w[. ..]
+    write_entries subdir, zipfile_path, zipfile
+  end
+
+  def put_into_archive(disk_file_path, zipfile, zipfile_path)
+    zipfile.add(zipfile_path, disk_file_path)
+  end
+end

app/models/olympia_images_uploader.rb

@@ -19,7 +19,7 @@ class OlympiaImagesUploader < CarrierWave::Uploader::Base
   # Override the directory where uploaded files will be stored.
   # This is a sensible default for uploaders that are meant to be mounted:
   def store_dir
-	return "uploads/#{model.class.to_s.underscore}/olympia_students"
+	return "uploads/#{model.class.to_s.underscore}/olympia_students/#{model.id}/"
   end
 
     # override

app/views/admin/olympiamanagements/school_data_list.html.erb

@@ -33,7 +33,7 @@
 				<% else %>
 					<td> 
 						<a href="<%=admin_olympiamanagements_add_school_data_path+"?id=#{field.id}"%>"><img src="/assets/edit.gif" alt="<%= t('olympiamanagement.edit') %>" align="top" width="24"><%= t('olympiamanagement.edit') %></a> 
-						<a href="<%=admin_olympiamanagements_add_school_data_path+"?id=#{field.id}"%>"><img src="/assets/view.gif" alt="<%= t('olympiamanagement.sign_up_student_data') %>" align="top" width="24"><%= t('olympiamanagement.sign_up_student_data') %></a> 
+						<a href="<%=admin_olympiamanagements_sign_up_student_data_list_path+"?olympia_school_id=#{field.id}"%>"><img src="/assets/view.gif" alt="<%= t('olympiamanagement.sign_up_student_data') %>" align="top" width="24"><%= t('olympiamanagement.sign_up_student_data') %></a> 
 						<a href="<%=admin_olympiamanagements_update_school_data_path+"?id=#{field.id}&type=delete_school_data"%>"><img src="/assets/trash.gif" alt="<%= t('olympiamanagement.delete') %>" align="top" width="24"><%= t('olympiamanagement.delete') %></a>
 						<%if field.approved%>
 							<a href="<%=admin_olympiamanagements_update_school_data_path+"?id=#{field.id}&type=unapproved"%>"><img src="/assets/close.gif" alt="<%= t('olympiamanagement.unapproved') %>" align="top" width="24"><%= t('olympiamanagement.unapproved') %></a>

app/views/admin/olympiamanagements/sign_up_student_data_list.html.erb

@@ -0,0 +1,36 @@
+<link rel="stylesheet" media="screen" type="text/css" href="/assets/admin/olympiamanagement.scss">
+<link rel="stylesheet" media="print" type="text/css" href="/assets/admin/olympiamanagement.scss">
+<script src="/assets/admin/olympiamanagement.js"></script>
+<% th_name_list = ['StudentIdentity','StudentName','StudentClass','StudentArea','StudentPhone','action']%>
+<table cellspacing="0" class="ts_rowsonly" width="100%" id="RSS_Table_page_contest_admin_1">
+<thead>
+	<tr>
+		<% th_name_list.each do |th_name|%>
+			<th><%= t('olympiamanagement.'+th_name) %></th>
+		<% end %>
+	</tr>
+</thead>
+<tbody>
+	<% @student_fields.each do |field| %>
+		<tr>
+			<% th_name_list.each do |th_name|%>
+				<%if th_name != 'action'%>
+					<% @value = field[th_name] %>
+					<% @index = @field_infos.map{|hash| hash.keys[0]}.index(th_name) rescue nil%>
+					<% if !@index.nil? %>
+						<% (['String','Year','select_num','File'].include?(@field_infos.map{|hash| hash.values[0]}[@index]['type'])) ? (nil) : (@value=(@field_infos.map{|hash| hash.values[0]}[@index]['values'][I18n.locale.to_s][@value.to_i].to_s rescue @value))%>
+					<% end %>
+					<td><%= @value %></td>
+				<% else %>
+					<td> 
+						<a href="<%=add_sign_up_student_data_olympiamanagements_path+"?id=#{field.id}"%>"><img src="/assets/edit.gif" alt="<%= t('olympiamanagement.edit') %>" align="top" width="24"><%= t('olympiamanagement.edit') %></a> 
+						<a href="<%=updata_student_data_olympiamanagements_path+"?id=#{field.id}&type=delete_student_data"%>"><img src="/assets/trash.gif" alt="<%= t('olympiamanagement.delete') %>" align="top" width="24"><%= t('olympiamanagement.delete') %></a>
+					</td>
+				<% end %>
+			<% end %>
+		</tr>
+	<%end%>
+</tbody>
+</table>
+<% @extra_params = request.query_parameters.map{|key,value| key+'='+value}.join('&') %>
+<%=create_pagination(params[:page].to_i,@student_fields,@extra_params).html_safe%>

app/views/olympiamanagements/_image_form.html.erb

@@ -2,17 +2,17 @@
 	<div class="controls">
 	  <!-- if this page editing please add class "fileupload-edit" -->
 	  <div class="fileupload fileupload-new clearfix" data-provides="fileupload">
-		<% if(image_form.send(image_field_name).first.send(field_name).file.present? rescue false) %>
+		<% if(image_form.send(image_field_name).last.send(field_name).file.present? rescue false) %>
 			<div class="fileupload-new thumbnail pull-left">
-				  <%= image_tag( image_form.send(image_field_name).first.send(field_name), :size=>"120x120") %>
+				  <%= image_tag( image_form.send(image_field_name).last.send(field_name), :size=>"120x120") %>
 			</div>
 		<% end %>
 		<div class="fileupload-preview fileupload-exists thumbnail pull-left"></div>
-		<% if(image_form.send(image_field_name).first.send(field_name).file.present? rescue false)%>
+		<% if(image_form.send(image_field_name).last.send(field_name).file.present? rescue false)%>
 			 <span class="btn btn-file">
 			 <%= f.fields_for image_field_name  do |index| %>
 				<%= index.fields_for "0" do |image| %>
-					<%= image.hidden_field(:_id,{:value=>image_form.send(image_field_name).first.id.to_s}) %>
+					<%= image.hidden_field(:_id,{:value=>image_form.send(image_field_name).last.id.to_s}) %>
 					<%= image.file_field field_name, {:id => (image_id rescue "input-upload"), :class => ('fileupload-new'+(@extra_class rescue "")), :accept=> 'image/png,image/gif,image/jpeg'} %><%= t('preferences.change') %>
 				 <% end %>
 			<% end %>

config/routes.rb

@@ -20,6 +20,7 @@ Rails.application.routes.draw do
 	  patch 'olympiamanagements/update_sign_up_data' , to:  'olympiamanagements#update_sign_up_data'
 	  get 'olympiamanagements/update_sign_up_data' , to:  'olympiamanagements#update_sign_up_data'
 	  get 'olympiamanagements/download_import_file' , to:  'olympiamanagements#download_import_file'
+      get 'olympiamanagements/sign_up_student_data_list' , to:  'olympiamanagements#sign_up_student_data_list'
       resources :olympiamanagements
    end
    resource 'olympiamanagements' do