diff --git a/lib/Pear/LocalLoop/Controller/Api/Categories.pm b/lib/Pear/LocalLoop/Controller/Api/Categories.pm
index 10b4380..8113053 100644
--- a/lib/Pear/LocalLoop/Controller/Api/Categories.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/Categories.pm
@@ -14,7 +14,31 @@ sub post_category_list {
 
   my $dtf = $c->schema->storage->datetime_parser;
   my $driver = $c->schema->storage->dbh->{Driver}->{Name};
-  my $month_transaction_rs = $c->schema->resultset('ViewQuantisedTransactionCategory' . $driver)->search(
+  my $month_transaction_category_rs = $c->schema->resultset('ViewQuantisedTransactionCategory' . $driver)->search(
+    {
+      purchase_time => {
+        -between => [
+          $dtf->format_datetime($start),
+          $dtf->format_datetime($end),
+        ],
+      },
+      buyer_id => $entity->id,
+    },
+    {
+      columns => [
+        {
+          quantised        => 'quantised_weeks',
+          value            => { sum => 'value' },
+          category_id      => 'category_id',
+          essential        => 'essential',
+        }
+      ],
+      group_by => [ qw/ category_id quantised_weeks / ],
+      order_by => { '-desc' => 'value' },
+    }
+  );
+
+  my $month_transaction_rs = $c->schema->resultset('ViewQuantisedTransaction' . $driver)->search(
     {
       purchase_time => {
         -between => [
@@ -29,27 +53,34 @@ sub post_category_list {
         {
           quantised        => 'quantised_weeks',
           value            => 'value',
-          category_id      => 'category_id',
+          essential        => 'essential',
         }
       ],
-      group_by => [ qw/ category_id quantised_weeks / ],
+      group_by => [ qw/ essential quantised_weeks / ],
       order_by => { '-desc' => 'value' },
     }
   );
 
-  my $data = {};
+  my $data = { categories => {}, essentials => {} };
 
-  for ( $month_transaction_rs->all ) {
-    my $quantised = $c->db_datetime_parser->parse_datetime($_->get_column('quantised'));
+  for my $cat_trans ( $month_transaction_category_rs->all ) {
+    use Devel::Dwarn; Dwarn {$cat_trans->get_columns};
+    my $quantised = $c->db_datetime_parser->parse_datetime($cat_trans->get_column('quantised'));
     my $days = $c->format_iso_date( $quantised ) || 0;
-    my $category = $_->get_column('category_id') || 0;
-    my $value = ($_->get_column('value') || 0) / 100000;
-    $data->{$days} = [] unless exists $data->{$days};
-    push @{ $data->{$days} }, {
+    my $category = $cat_trans->get_column('category_id') || 0;
+    my $value = ($cat_trans->get_column('value') || 0) / 100000;
+    $data->{categories}->{$days} = [] unless exists $data->{categories}->{$days};
+    push @{ $data->{categories}->{$days} }, {
       days => $days,
       value => $value,
       category => $category,
     };
+    next unless $cat_trans->get_column('essential');
+    $data->{essentials}->{$days}->{value} += $value;
+  }
+
+  for my $day ( keys $data->{categories} ) {
+    $data->{categories}->{$day} = [ sort { $b->{value} <=> $a->{value} } @{ $data->{categories}->{$day} } ];
   }
 
   return $c->render(
diff --git a/lib/Pear/LocalLoop/Schema/Result/Transaction.pm b/lib/Pear/LocalLoop/Schema/Result/Transaction.pm
index 538b03a..14405e6 100644
--- a/lib/Pear/LocalLoop/Schema/Result/Transaction.pm
+++ b/lib/Pear/LocalLoop/Schema/Result/Transaction.pm
@@ -81,4 +81,14 @@ __PACKAGE__->might_have(
   "Pear::LocalLoop::Schema::Result::TransactionCategory" => "transaction_id",
 );
 
+sub sqlt_deploy_hook {
+  my ( $source_instance, $sqlt_table ) = @_;
+  my $pending_field = $sqlt_table->get_field('essential');
+  if ( $sqlt_table->schema->translator->producer_type =~ /SQLite$/ ) {
+    $pending_field->{default_value} = 0;
+  } else {
+    $pending_field->{default_value} = \"false";
+  }
+}
+
 1;
diff --git a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategoryPg.pm b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategoryPg.pm
index 2ae0445..b288c65 100644
--- a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategoryPg.pm
+++ b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategoryPg.pm
@@ -15,6 +15,7 @@ SELECT "transactions.value",
        "transactions.purchase_time",
        "transactions.buyer_id",
        "transactions.seller_id",
+       "transactions.essential",
        "transaction_category.category_id",
        DATE_TRUNC('hour', "transactions.purchase_time") AS "quantised_hours",
        DATE_TRUNC('day', "transactions.purchase_time") AS "quantised_days",
diff --git a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategorySQLite.pm b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategorySQLite.pm
index fcef5a2..7992458 100644
--- a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategorySQLite.pm
+++ b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategorySQLite.pm
@@ -15,6 +15,7 @@ SELECT "transactions"."value",
        "transactions"."purchase_time",
        "transactions"."buyer_id",
        "transactions"."seller_id",
+       "transactions"."essential",
        "transaction_category"."category_id",
        DATETIME(STRFTIME('%Y-%m-%d %H:00:00',"transactions"."purchase_time")) AS "quantised_hours",
        DATETIME(STRFTIME('%Y-%m-%d 00:00:00',"transactions"."purchase_time")) AS "quantised_days",
diff --git a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionPg.pm b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionPg.pm
index 91ceede..d9b0f05 100644
--- a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionPg.pm
+++ b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionPg.pm
@@ -15,6 +15,7 @@ SELECT "value",
        "purchase_time",
        "buyer_id",
        "seller_id",
+       "essential",
        DATE_TRUNC('hour', "purchase_time") AS "quantised_hours",
        DATE_TRUNC('day', "purchase_time") AS "quantised_days",
        DATE_TRUNC('week', "purchase_time") AS "quantised_weeks"
diff --git a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionSQLite.pm b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionSQLite.pm
index abf95dd..a84c461 100644
--- a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionSQLite.pm
+++ b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionSQLite.pm
@@ -15,6 +15,7 @@ SELECT "value",
        "purchase_time",
        "buyer_id",
        "seller_id",
+       "essential",
        DATETIME(STRFTIME('%Y-%m-%d %H:00:00',"purchase_time")) AS "quantised_hours",
        DATETIME(STRFTIME('%Y-%m-%d 00:00:00',"purchase_time")) AS "quantised_days",
        DATETIME(STRFTIME('%Y-%m-%d 00:00:00',"purchase_time", 'weekday 1')) AS "quantised_weeks"