adding paths and placeholder for customer dash API

lib/Pear/LocalLoop.pm

@@ -171,6 +171,10 @@ sub startup {
   $api_v1_org->post('/employee')->to('api-organisation#post_employee_read');
   $api_v1_org->post('/employee/add')->to('api-organisation#post_employee_add');
 
+  my $api_v1_cust = $api_v1->under('/customer')->to('api-v1-customer#auth');
+
+  $api_v1_org->post('/graphs')->to('api-v1-customer-graphs#index');
+
   my $admin_routes = $r->under('/admin')->to('admin#under');
 
   $admin_routes->get('/home')->to('admin#home');

lib/Pear/LocalLoop/Controller/Api/V1/Customer.pm

@@ -0,0 +1,21 @@
+package Pear::LocalLoop::Controller::Api::V1::Customer;
+use Mojo::Base 'Mojolicious::Controller';
+
+sub auth {
+  my $c = shift;
+
+  return 1 if $c->stash->{api_user}->type eq 'customer';
+
+  $c->render(
+    json => {
+      success => Mojo::JSON->false,
+      message => 'Not an Customer',
+      error   => 'user_not_cust',
+    },
+    status => 403,
+  );
+
+  return 0;
+}
+
+1;

lib/Pear/LocalLoop/Controller/Api/V1/Customer/Graphs.pm

@@ -0,0 +1,193 @@
+package Pear::LocalLoop::Controller::Api::V1::Customer::Graphs;
+use Mojo::Base 'Mojolicious::Controller';
+
+has error_messages => sub {
+  return {
+    graph => {
+      required => { message => 'Must request graph type', status => 400 },
+      in => { message => 'Unrecognised graph type', status => 400 },
+    },
+  };
+};
+
+sub index {
+  my $c = shift;
+
+  my $validation = $c->validation;
+  $validation->input( $c->stash->{api_json} );
+  $validation->required('graph')->in( qw/
+    customers_last_7_days
+    customers_last_30_days
+    sales_last_7_days
+    sales_last_30_days
+    purchases_last_7_days
+    purchases_last_30_days
+    customers_range
+  / );
+
+  return $c->api_validation_error if $validation->has_error;
+
+  my $graph_sub = "graph_" . $validation->param('graph');
+
+  unless ( $c->can($graph_sub) ) {
+    # Secondary catch in case a mistake has been made
+    return $c->render(
+      json => {
+        success => Mojo::JSON->false,
+        message => $c->error_messages->{graph}->{in}->{message},
+        error => 'in',
+      },
+      status => $c->error_messages->{graph}->{in}->{status},
+    );
+  }
+
+  return $c->$graph_sub;
+}
+
+sub graph_customers_range {
+  my $c = shift;
+
+  my $validation = $c->validation;
+  $validation->input( $c->stash->{api_json} );
+  $validation->required('start')->is_iso_date;
+  $validation->required('end')->is_iso_date;
+
+  return $c->api_validation_error if $validation->has_error;
+
+  my $entity = $c->stash->{api_user}->entity;
+
+  my $data = { labels => [], data => [] };
+  my $start = $c->parse_iso_date( $validation->param('start') );
+  my $end = $c->parse_iso_date( $validation->param('end') );
+
+  while ( $start <= $end ) {
+    my $next_end = $start->clone->add( days => 1 );
+    my $transactions = $entity->sales
+      ->search_between( $start, $next_end )
+      ->count;
+    push @{ $data->{ labels } }, $c->format_iso_date( $start );
+    push @{ $data->{ data } }, $transactions;
+    $start->add( days => 1 );
+  }
+
+  return $c->render(
+    json => {
+      success => Mojo::JSON->true,
+      graph => $data,
+    }
+  );
+}
+
+sub graph_customers_last_7_days {
+  my $c = shift;
+
+  my $duration = DateTime::Duration->new( days => 7 );
+  return $c->_customers_last_duration( $duration );
+}
+
+sub graph_customers_last_30_days {
+  my $c = shift;
+
+  my $duration = DateTime::Duration->new( days => 30 );
+  return $c->_customers_last_duration( $duration );
+}
+
+sub _customers_last_duration {
+  my ( $c, $duration ) = @_;
+
+  my $entity = $c->stash->{api_user}->entity;
+
+  my $data = { labels => [], data => [] };
+
+  my ( $start, $end ) = $c->_get_start_end_duration( $duration );
+
+  while ( $start < $end ) {
+    my $next_end = $start->clone->add( days => 1 );
+    my $transactions = $entity->sales
+      ->search_between( $start, $next_end )
+      ->count;
+    push @{ $data->{ labels } }, $start->day_name;
+    push @{ $data->{ data } }, $transactions;
+    $start->add( days => 1 );
+  }
+
+  return $c->render(
+    json => {
+      success => Mojo::JSON->true,
+      graph => $data,
+    }
+  );
+}
+
+sub graph_sales_last_7_days { return shift->_sales_last_duration( 7 ) }
+sub graph_sales_last_30_days { return shift->_sales_last_duration( 30 ) }
+
+sub _sales_last_duration {
+  my ( $c, $day_duration ) = @_;
+
+  my $duration = DateTime::Duration->new( days => $day_duration );
+  my $entity = $c->stash->{api_user}->entity;
+
+  my $data = { labels => [], data => [] };
+
+  my ( $start, $end ) = $c->_get_start_end_duration( $duration );
+
+  while ( $start < $end ) {
+    my $next_end = $start->clone->add( days => 1 );
+    my $transactions = $entity->sales
+      ->search_between( $start, $next_end )
+      ->get_column('value')
+      ->sum || 0 + 0;
+    push @{ $data->{ labels } }, $start->day_name;
+    push @{ $data->{ data } }, $transactions / 100000;
+    $start->add( days => 1 );
+  }
+
+  return $c->render(
+    json => {
+      success => Mojo::JSON->true,
+      graph => $data,
+    }
+  );
+}
+
+sub graph_purchases_last_7_days { return shift->_purchases_last_duration( 7 ) }
+sub graph_purchases_last_30_days { return shift->_purchases_last_duration( 30 ) }
+
+sub _purchases_last_duration {
+  my ( $c, $day_duration ) = @_;
+
+  my $duration = DateTime::Duration->new( days => $day_duration );
+  my $entity = $c->stash->{api_user}->entity;
+
+  my $data = { labels => [], data => [] };
+
+  my ( $start, $end ) = $c->_get_start_end_duration( $duration );
+
+  while ( $start < $end ) {
+    my $next_end = $start->clone->add( days => 1 );
+    my $transactions = $entity->purchases
+      ->search_between( $start, $next_end )
+      ->get_column('value')
+      ->sum || 0 + 0;
+    push @{ $data->{ labels } }, $start->day_name;
+    push @{ $data->{ data } }, $transactions / 100000;
+    $start->add( days => 1 );
+  }
+
+  return $c->render(
+    json => {
+      success => Mojo::JSON->true,
+      graph => $data,
+    }
+  );
+}
+
+sub _get_start_end_duration {
+  my ( $c, $duration ) = @_;
+  my $end = DateTime->today;
+  my $start = $end->clone->subtract_duration( $duration );
+  return ( $start, $end );
+}
+
+1;