Samples - show all/show assigned [SCI-1277] (#644)

* Samples - show all/show assigned [SCI-1277]

* Some fixes in code

* Some minor fixes in code

* Omit present

* Correct missed present

* Fixing hound warnings

app/assets/javascripts/samples/sample_datatable.js.erb

@@ -33,9 +33,12 @@ var loadFirstTime = true;
 var table;
 var originalHeader;
 
+var view_assigned;
+
 function dataTableInit() {
   // Make a copy of original samples table header
   originalHeader = $('#samples thead').children().clone();
+  view_assigned = 'assigned';
   table = $('#samples').DataTable({
     order: [[2, 'desc']],
     dom: "R<'row'<'col-sm-9-custom toolbar'l><'col-sm-3-custom'f>>tpi",
@@ -53,6 +56,9 @@ function dataTableInit() {
     destroy: true,
     ajax: {
       url: $('#samples').data('source'),
+      data: function ( d ) {
+          d.assigned = view_assigned;
+      },
       global: false,
       type: 'POST'
     },
@@ -819,6 +825,15 @@ function onClickAddSample() {
     });
 }
 
+$('#assignedSamples').on('click', function () {
+  view_assigned = 'assigned';
+  table.draw();
+});
+$('#allSamples').on('click', function () {
+  view_assigned = 'all';
+  table.draw();
+});
+
 // Handle enter key
 $(document).off('keypress').keypress(function(event) {
   var keycode = (event.keyCode ? event.keyCode : event.which);

app/assets/javascripts/samples/samples.js

@@ -17,6 +17,12 @@ $("form#form-samples-file")
   $(this).find(".form-group").append("<span class='help-block'>" + data.responseJSON.message + "</span>");
 });
 
+$('.sample-assign-group > .btn').click(function() {
+  $('.btn-group > .btn').removeClass('active btn-primary');
+  $('.btn-group > .btn').addClass('btn-default');
+  $(this).addClass('active btn-primary');
+});
+
 // Fetch samples data and updates the select options fields for
 // sample group and sample type column
 function updateSamplesTypesandGroups() {

app/datatables/sample_datatable.rb

@@ -21,6 +21,7 @@ class SampleDatatable < AjaxDatatablesRails::Base
                   'regex' => false,
                   'caseInsensitive' => true },
     'columns' => [],
+    'assigned' => 'all',
     'ColReorder' => [*0..6]
   }
   7.times do
@@ -179,9 +180,13 @@ class SampleDatatable < AjaxDatatablesRails::Base
 
       samples = samples.joins("LEFT OUTER JOIN sample_my_modules ON
                               (samples.id = sample_my_modules.sample_id AND
-                          (sample_my_modules.my_module_id = #{@my_module.id.to_s} OR
+                              (sample_my_modules.my_module_id =
+                              #{@my_module.id} OR
                               sample_my_modules.id IS NULL))")
                        .references(:sample_my_modules)
+      if params[:assigned] == 'assigned'
+        samples = samples.where('"sample_my_modules"."id" > 0')
+      end
     elsif @project
       @assigned_samples = @project.assigned_samples
       ids = @project.my_modules_ids
@@ -198,6 +203,16 @@ class SampleDatatable < AjaxDatatablesRails::Base
                                 sample_my_modules.id IS NULL))")
                          .references(:sample_my_modules)
       end
+      if params[:assigned] == 'assigned'
+        samples = samples.joins('LEFT OUTER JOIN "my_modules" ON
+                                "my_modules"."id" =
+                                "sample_my_modules"."my_module_id"')
+                         .joins('LEFT OUTER JOIN "experiments" ON
+                                "experiments"."id" =
+                                "my_modules"."experiment_id"')
+                         .where('"experiments"."project_id" = ?', @project.id)
+                         .where('"my_modules"."nr_of_assigned_samples" > 0')
+      end
     elsif @experiment
       @assigned_samples = @experiment.assigned_samples
       ids = @experiment.my_modules.select(:id)
@@ -207,6 +222,14 @@ class SampleDatatable < AjaxDatatablesRails::Base
                           (sample_my_modules.my_module_id IN (#{ids.to_sql}) OR
                           sample_my_modules.id IS NULL))")
                           .references(:sample_my_modules)
+      if params[:assigned] == 'assigned'
+        samples = samples.joins('LEFT OUTER JOIN "my_modules" ON
+                                "my_modules"."id" =
+                                "sample_my_modules"."my_module_id"')
+                         .where('"my_modules"."experiment_id" = ?',
+                                @experiment.id)
+                         .where('"my_modules"."nr_of_assigned_samples" > 0')
+      end
     end
 
     # Make mappings of custom fields, so we have same id for every column
@@ -297,9 +320,9 @@ class SampleDatatable < AjaxDatatablesRails::Base
                        .distinct
 
           # check the input param and merge the two arrays of ids
-          if params[:order].values[0]["dir"] == "asc"
+          if params[:order].values[0]['dir'] == 'asc'
             ids = assigned + unassigned
-          elsif params[:order].values[0]["dir"] == "desc"
+          elsif params[:order].values[0]['dir'] == 'desc'
             ids = unassigned + assigned
           end
           ids = ids.collect { |s| s.id }

app/views/shared/_samples.html.erb

@@ -36,6 +36,11 @@
       <span class="glyphicon glyphicon-cloud-download"></span>
       <span class="hidden-xs"><%= t("samples.export") %></span>
     </a>
+
+    <div id="show-assigned-buttons" class="btn-group sample-assign-group" data-toggle="buttons">
+      <button type="button" class="active btn btn-primary" id="assignedSamples"><%= t("samples.view_assigned_samples") %></button>
+      <button type="button" class="btn btn-default" id="allSamples"><%= t("samples.view_all_samples") %></button>
+    </div>
   <% end %>
 
   <div id="datatables-buttons" style="display: inline;">

config/locales/en.yml

@@ -853,6 +853,8 @@ en:
     add_new_sample_type: "Add sample type"
     add_new_sample_group: "Add sample group"
     add_new_column: "Add column"
+    view_all_samples: "View all samples"
+    view_assigned_samples: "View assigned samples"
     modal_info:
       added_on: "Added on"
       added_by: "Added by"