Export repository [aj-SCI-1275]

Gemfile.lock

@@ -1,8 +1,8 @@
 GIT
-  remote: git://github.com/einzige/sneaky-save.git
-  revision: 03866e838f62a4b13e15784974fcc13e14cd9502
+  remote: https://github.com/einzige/sneaky-save
+  revision: e7c77674abe74d598dfd58db7c680dd85936f207
   specs:
-    sneaky-save (0.1.1)
+    sneaky-save (0.1.2)
       activerecord (>= 3.2.0)
 
 GEM

app/assets/javascripts/repositories/repository_datatable.js

@@ -214,6 +214,54 @@ setTimeout(function() {
 // Enables noSearchHidden plugin
 $.fn.dataTable.defaults.noSearchHidden = true;
 
+$('form#form-export').submit(function(e) {
+  var form = this;
+
+  if (currentMode === 'viewMode') {
+    // Remove all hidden fields
+    $('#form-export').find('input[name=row_ids\\[\\]]').remove();
+    $('#form-export').find('input[name=header_ids\\[\\]]').remove();
+
+    // Append samples
+    appendSamplesIdToForm(form);
+
+    // Append visible column information
+    $('table#repository-table thead tr').children('th').each(function(i) {
+      var th = $(this);
+      var val;
+      if ($(th).attr('id') === 'checkbox' || $(th).attr('id') === 'assigned')
+        val = -1
+      else if ($(th).attr('id') === 'row-name')
+        val = -2;
+      else if ($(th).attr('id') === 'added-by')
+        val = -3;
+      else if ($(th).attr('id') === 'added-on')
+        val = -4;
+      else
+        val = th.attr('id');
+
+      if (val)
+        $(form).append(
+            $('<input>')
+            .attr('type', 'hidden')
+            .attr('name', 'header_ids[]')
+            .val(val)
+        );
+    });
+  }
+});
+
+function appendSamplesIdToForm(form) {
+  $.each(rowsSelected, function(index, rowId) {
+    $(form).append(
+      $('<input>')
+      .attr('type', 'hidden')
+      .attr('name', 'row_ids[]')
+      .val(rowId)
+    );
+  });
+}
+
 function initRowSelection() {
   // Handle clicks on checkbox
   $('.dt-body-center .repository-row-selector').change(function(e) {
@@ -642,6 +690,16 @@ function updateButtons() {
       $('#editRepositoryRecord').removeClass('disabled');
       $('#deleteRepositoryRecordsButton').prop('disabled', false);
       $('#deleteRepositoryRecordsButton').removeClass('disabled');
+      $('#exportRepositoriesButton').removeClass('disabled');
+      $('#exportRepositoriesButton').prop('disabled', false);
+      $('#exportRepositoriesButton').on('click', function() {
+        $('#exportRepositoryModal')
+          .modal('show')
+      });
+      $('#export-repositories').on('click', function() {
+        animateSpinner(null, true);
+        $('#form-export').submit();
+      });
       $('#assignRepositoryRecords').removeClass('disabled');
       $('#assignRepositoryRecords').prop('disabled', false);
       $('#unassignRepositoryRecords').removeClass('disabled');
@@ -651,6 +709,10 @@ function updateButtons() {
       $('#editRepositoryRecord').addClass('disabled');
       $('#deleteRepositoryRecordsButton').prop('disabled', true);
       $('#deleteRepositoryRecordsButton').addClass('disabled');
+      $('#exportRepositoriesButton').addClass('disabled');
+      $('#exportRepositoriesButton').prop('disabled', true);
+      $('#exportRepositoriesButton').off('click');
+      $('#export-repositories').off('click');
       $('#assignRepositoryRecords').addClass('disabled');
       $('#assignRepositoryRecords').prop('disabled', true);
       $('#unassignRepositoryRecords').addClass('disabled');
@@ -660,6 +722,16 @@ function updateButtons() {
       $('#editRepositoryRecord').addClass('disabled');
       $('#deleteRepositoryRecordsButton').prop('disabled', false);
       $('#deleteRepositoryRecordsButton').removeClass('disabled');
+      $('#exportRepositoriesButton').removeClass('disabled');
+      $('#exportRepositoriesButton').prop('disabled', false);
+      $('#exportRepositoriesButton').on('click', function() {
+        $('#exportRepositoryModal')
+          .modal('show')
+      });
+      $('#export-repositories').on('click', function() {
+        animateSpinner(null, true);
+        $('#form-export').submit();
+      });
       $('#assignRepositoryRecords').removeClass('disabled');
       $('#assignRepositoryRecords').prop('disabled', false);
       $('#unassignRepositoryRecords').removeClass('disabled');
@@ -674,6 +746,8 @@ function updateButtons() {
     $('#addNewColumn').prop('disabled', true);
     $('#deleteRepositoryRecordsButton').addClass('disabled');
     $('#deleteRepositoryRecordsButton').prop('disabled', true);
+    $('#exportRepositoriesButton').addClass('disabled');
+    $('#exportRepositoriesButton').off('click');
     $('#assignRepositoryRecords').addClass('disabled');
     $('#assignRepositoryRecords').prop('disabled', true);
     $('#unassignRepositoryRecords').addClass('disabled');

app/controllers/repositories_controller.rb

@@ -1,5 +1,5 @@
 class RepositoriesController < ApplicationController
-  before_action :load_vars, except: :repository_table_index
+  before_action :load_vars, except: [:repository_table_index, :export_repository]
   before_action :check_view_all_permissions, only: :index
   before_action :check_edit_and_destroy_permissions, only:
     %(destroy destroy_modal rename_modal update)
@@ -7,6 +7,7 @@ class RepositoriesController < ApplicationController
     %(copy_modal copy)
   before_action :check_create_permissions, only:
     %(create_new_modal create)
+  before_action :generate_zip, only: :export_repository
 
   def index
     render('repositories/index')
@@ -185,6 +186,15 @@ class RepositoriesController < ApplicationController
     end
   end
 
+  def export_repository
+    if params[:row_ids] && params[:header_ids]
+      generate_zip
+    else
+      flash[:alert] = t('zip_export.export_error')
+    end
+    redirect_to :back
+  end
+
   private
 
   def load_vars
@@ -212,4 +222,68 @@ class RepositoriesController < ApplicationController
   def repository_params
     params.require(:repository).permit(:name)
   end
+
+  def generate_zip
+    zip = ZipExport.create(user: current_user)
+    zip.generate_exportable_zip(
+      current_user,
+      to_csv(RepositoryRow.where(id: params[:row_ids]), params[:header_ids]),
+      :repositories
+    )
+  end
+
+  def to_csv(rows, headers)
+    require 'csv'
+
+    # Parse headers (magic numbers should be refactored - see
+    # sample-datatable.js)
+    header_names = []
+    headers.each do |header|
+      if header == '-1'
+        next
+      elsif header == '-2'
+        header_names << I18n.t('repositories.table.row_name')
+      elsif header == '-3'
+        header_names << I18n.t('repositories.table.added_by')
+      elsif header == '-4'
+        header_names << I18n.t('repositories.table.added_on')
+      else
+        rc = RepositoryColumn.find_by_id(header)
+        if rc
+          header_names << rc.name
+        else
+          header_names << nil
+        end
+      end
+    end
+
+    CSV.generate do |csv|
+      csv << header_names
+      rows.each do |row|
+        sample_row = []
+        row_record = RepositoryRow.where(repository_rows: { id: row })
+        headers.each do |header|
+          if header == '-1'
+            next
+          elsif header == '-2'
+            sample_row << row.name
+          elsif header == '-3'
+            sample_row << row.created_by.full_name
+          elsif header == '-4'
+            sample_row << I18n.l(row.created_at, format: :full)
+          else
+            record = row_record.joins(:repository_columns, :repository_cells)
+                               .where(repository_columns: { id: header })
+                               .take
+            if record
+              sample_row << record.repository_cells.take.value.data
+            else
+              sample_row << nil
+            end
+          end
+        end
+        csv << sample_row
+      end
+    end
+  end
 end

app/models/zip_export.rb

@@ -102,8 +102,7 @@ class ZipExport < ActiveRecord::Base
     end
   end
 
-  # generates zip export file for samples
-  def generate_samples_zip(tmp_dir, data, options = {})
+  def generate_repositories_zip(tmp_dir, data, options = {})
     file = FileUtils.touch("#{tmp_dir}/export.csv").first
     File.open(file, 'wb') { |f| f.write(data) }
   end

app/views/repositories/_export_repository_modal.html.erb

@@ -0,0 +1,21 @@
+<div class="modal fade"
+     id="exportRepositoryModal"
+     tabindex="-1"
+     role="dialog"
+     aria-labelledby="modal-export-repository-label">
+   <div class="modal-dialog" role="document">
+     <div class="modal-content">
+       <div class="modal-header">
+         <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
+         <h4 class="modal-title"><%=t 'zip_export.modal_label' %></h4>
+       </div>
+       <div class="modal-body">
+         <%=t('zip_export.repository_html', repository: repository.name) %>
+       </div>
+       <div class="modal-footer">
+         <button type='button' class='btn btn-primary' data-dismiss='modal' id='export-repositories'> <%=t 'my_modules.repository.export' %> </button>
+         <button type='button' class='btn btn-default' data-dismiss='modal' id='close-modal-export-repositories'><%= t('general.close')%></button>
+       </div>
+     </div>
+   </div>
+</div>

app/views/repositories/_repository.html.erb

@@ -1,8 +1,16 @@
 <%= render partial: "repositories/delete_record_modal.html.erb" %>
 <%= render partial: "repositories/delete_column_modal.html.erb" %>
+<%= render partial: 'repositories/export_repository_modal.html.erb',
+           locals: { repository: repository } %>
 
 <div id="alert-container"></div>
 
+<% if can_view_repository(repository) %>
+  <%= bootstrap_form_tag(url: export_repository_team_path(repository),
+                        html: { id: 'form-export', class: 'hidden' }) do |f| %>
+  <% end %>
+<% end %>
+
 <div id="repository-toolbar">
 
   <% if can_create_repository_records(repository) %>
@@ -12,6 +20,13 @@
     </button>
   <% end %>
 
+  <% if can_view_repository(repository) %>
+    <a href="#" class="btn btn-default" id="exportRepositoriesButton">
+      <span class="glyphicon glyphicon-cloud-download"></span>
+      <span class="hidden-xs"><%= t("my_modules.repository.export") %></span>
+    </a>
+  <% end %>
+
   <div id="datatables-buttons" style="display: inline;">
     <div id="repository-columns-dropdown" class="dropdown">
       <button class="btn btn-default dropdown-toggle" type="button" data-toggle="dropdown">

config/locales/en.yml

@@ -612,6 +612,7 @@ en:
       more_activities: "Load older activities"
     repository:
       head_title: "%{project} | %{module} | Custom repository %{repository}"
+      export: 'Export'
 
   experiments:
     new:
@@ -1692,12 +1693,15 @@ en:
       deleted: "(deleted)"
 
   zip_export:
+    modal_label: 'Export repository'
     notification_title: 'Your package is ready to be exported!'
     expired_title: 'The required file was expired!'
     expired_description: 'The downloadable file expires in 7 days after its creation.'
-    export_error: 'An error occured.'
     modal_label: 'Export request received'
     modal_html: "<p>Your export request is being processed.</p><p>When completed we will <strong>send an email to %{email}</strong> inbox with a link to your exported samples. Note that the link will expire in 7 days.</p>"
+    repository_html: '<p>You are about to export selected items in repository %{repository}</p> <br> Repository will be exported in a .csv file format. You will receive <strong>email with a link</strong> where you can download it.'
+    export_error: "Error when creating zip export."
+
   # This section contains general words that can be used in any parts of
   # application.
   tiny_mce:

config/routes.rb

@@ -155,6 +155,7 @@ Rails.application.routes.draw do
         post 'parse_sheet'
         post 'import_samples'
         post 'export_samples'
+        post 'export_repository', to: 'repositories#export_repository'
         # Used for atwho (smart annotations)
         get 'atwho_users', to: 'at_who#users'
         get 'atwho_samples', to: 'at_who#samples'