make section table management with adding and positioning tables

app/assets/javascripts/supplier/qsupplier.js.coffee

@@ -166,5 +166,18 @@ root.Qsupplier=
         if table.needs_payment then to.addClass('needs_payment') else to.removeClass('needs_payment')
     )
   add_tables_to_active_section: ->
-    number_start = $('#add-tables-number-start')
-    number_end = $('#add-tables-number-end')
+    number_start = $('#add-tables-number-start').val()
+    number_end = $('#add-tables-number-end').val()
+    $.post('/supplier/sections/'+current_section_id+'/add_tables', {number_start: number_start, number_end: number_end}, -> window.location.reload())
+    #$('#add-tables-modal').modal('hide')
+    false
+  arrange_tables_of_active_section: ->
+    option =  $('input[name=arrange-table-option]:checked').val()
+    by_row_count = parseInt($('#arrange-tables-by-row-count').val())
+    by_column_count = parseInt($('#arrange-tables-by-column-count').val())
+    if(option == "by_row")
+      return alert('Please fill in a positive number representing the number of tables per row') unless by_row_count && by_row_count > 0
+    if(option == "by_column")
+      return alert('Please fill in a positive number representing the number of tables per column') unless by_column_count && by_column_count > 0
+    $.post('/supplier/sections/'+current_section_id+'/arrange_tables', {option: option, row_count: by_row_count, column_count: by_column_count}, -> window.location.reload())
+    false

app/assets/stylesheets/twitter-bootstrap/bootstrap_overrides.css.sass

@@ -32,3 +32,9 @@ body
       dd
         &:after
           content: '\a0'
+  form
+    .controls
+      label
+        display: inline-block
+        padding-left: 1em
+        padding-right: 1em

app/controllers/suppliers/sections_controller.rb

@@ -111,5 +111,32 @@ module Suppliers
         end
       end
     end
+
+    # POST /sections/1/add_tables {number_start: 1423, number_end: 234234}
+    def add_tables
+      @section = Section.find_by_supplier_and_id(current_supplier, params[:id])
+      number_start = params[:number_start].to_i
+      number_end = params[:number_end].to_i
+      for table_number in number_start..number_end
+        next if table_number.zero?
+        table = Table.new(number: table_number)
+        table.supplier = current_supplier
+        table.section = @section
+        table.save
+      end
+      @section.arrange_tables_in_grid
+      render json: {ok: true}
+    end
+
+    # POST /sections/1/arrange_tables {number_start: 1423, number_end: 234234}
+    def arrange_tables
+      @section = Section.find_by_supplier_and_id(current_supplier, params[:id])
+      case params[:option]
+      when 'distribute' then @section.arrange_tables_in_grid
+      when 'by_row' then @section.arrange_tables_in_rows_of(params[:row_count].to_i)
+      when 'by_column' then @section.arrange_tables_in_columns_of(params[:column_count].to_i)
+      end
+      render json: {ok: true}
+    end
   end
 end

app/models/section.rb

@@ -78,4 +78,82 @@ class Section
     end
     @for_tables_as_json = h
   end
+
+  def arrange_tables_in_grid
+    w = width
+    h = height
+    n = tables.size
+    l = Math.sqrt((w*h).to_f/n)
+    epsilon = (10 ** -(Float::DIG - 1)).to_f
+    while (w/l).floor * (h/l).floor < n # find a fitting combination
+      l = if w.remainder(l) < epsilon then (h/l).ceil
+      elsif h.remainder(l) < epsilon then (w/l).ceil
+      elsif w.remainder(l) < epsilon && h.remainder(l) < epsilon then [w / (w/l).ceil.succ, h / (h/l).ceil.succ].max # Failsafe for when both are valid and it still does not fit
+      else [w / (w/l).ceil, h / (h/l).ceil].max end
+    end
+    x0 = w.remainder(l - epsilon)/2 # Start with half a remainder space, will end with the other halve
+    x = x0
+    y = h.remainder(l - epsilon)/2
+    saves = []
+    for table in tables.sort_by(&:number)
+      if x + l > w + (1e4*epsilon) # New row,  error = epsilon times possible tables
+        x = x0
+        y += l
+      end
+      table.position_x = x + (l/2) - (table_width/2) # Starting point of square + half the square (center) minus half the table size
+      table.position_y = y + (l/2) - (table_height/2)
+      saves << table.save
+      x += l
+    end
+    [l, saves.all?]
+  end
+
+  def arrange_tables_in_rows_of(n)
+    return unless n.present?
+    n = n.to_i
+    return unless n > 0
+    dx = width / n
+    dy = height / (tables.size.to_f/n).ceil
+    x = 0.0
+    y = 0.0
+    tables.sort_by(&:number).each.with_index do |table, i|
+      table.position_x = x + (dx/2) - (table_width/2)
+      table.position_y = y + (dy/2) - (table_height/2)
+      x += dx
+      if (i + 1).multiple_of?( n )
+        x = 0.0
+        y += dy
+      end
+      table.save
+    end
+  end
+  def arrange_tables_in_columns_of(n)
+    return unless n.present?
+    n = n.to_i
+    return unless n > 0
+    dx = width / (tables.size.to_f/n).ceil
+    dy = height / n
+    x = 0.0
+    y = 0.0
+    tables.sort_by(&:number).each.with_index do |table, i|
+      table.position_x = x + (dx/2) - (table_width/2)
+      table.position_y = y + (dy/2) - (table_height/2)
+      y += dy
+      if (i + 1).multiple_of?( n )
+        y = 0.0
+        x += dx
+      end
+      table.save
+    end
+  end
+
+  # Method returning the sections table width
+  def table_width
+    2.0
+  end
+
+  # Method returning the sections table height
+  def table_height
+    2.0
+  end
 end

app/views/suppliers/sections/manage_tables.html.slim

@@ -62,6 +62,30 @@
         .controls
           input.input-mini#add-tables-number-end type=:number value=120
   .modal-footer
-    a.btn href='#' Close
-    a.btn.btn-primary href='#' onclick=%|Qsupplier.add_tables_to_active_section()| Add
-  
+    button.btn data-dismiss="modal" aria-hidden=true Close
+    button.btn.btn-primary onclick="Qsupplier.add_tables_to_active_section()" Add
+#arrange-tables-modal.modal.hide.fade tabindex=-1 role=:dialog aria-labeledby='add-tables-modal-label' aria-hidden=true
+  button.close type=:button data-dismiss=:modal aria-hidden=true x
+  h3#arrange-tables-modal-label= t('supplier.section.arrange_tables.modal.title')
+  .modal-body
+    p= t('supplier.section.arrange_tables.modal.body_header')
+    form.form-horizontal
+      .control-group
+        label.control-label for='arrange-tables-distributed' = t('supplier.section.arrange_tables.modal.distributed')
+        .controls
+          input#arrange-tables-distributed type="radio" name="arrange-table-option" checked=true value="distributed"
+      .control-group
+        label.control-label for='arrange-tables-by_row' = t('supplier.section.arrange_tables.modal.by_row')
+        .controls
+          input#arrange-tables-by_row type="radio" name="arrange-table-option" value="by_row"
+          label for="arrange-tables-by-row-count"= t('supplier.section.arrange_tables.modal.by_row_count')
+          input.input-mini#arrange-tables-by-row-count type="text" value=0
+      .control-group
+        label.control-label for='arrange-tables-by_column' = t('supplier.section.arrange_tables.modal.by_column')
+        .controls
+          input#arrange-tables-by_column type="radio" name="arrange-table-option" value="by_column"
+          label for="arrange-tables-by-column-count"= t('supplier.section.arrange_tables.modal.by_column_count')
+          input.input-mini#arrange-tables-by-column-count type="text" value=0
+  .modal-footer
+    button.btn data-dismiss="modal" aria-hidden=true Close
+    button.btn.btn-primary onclick="Qsupplier.arrange_tables_of_active_section()" Add

config/locales/nl.yml

@@ -113,6 +113,11 @@ nl:
         modal:
           title: Positioneer tafels
           body_header: ""
+          distributed: Verspreid
+          by_row: Per rij
+          by_row_count: van
+          by_column: Per kolom
+          by_column_count: van
         
   user:
     active_list:

config/routes.rb

@@ -79,6 +79,8 @@ Qrammer::Application.routes.draw do
       member do
         get :manage_tables
         get :tables_view
+        post :add_tables
+        post :arrange_tables
       end
     end
     resources :tables do