move images

Signed-off-by: franck cuny <franck@lumberjaph.net>

1 files changed, 138 insertions, 0 deletions

diff --git a/lib/StarGit/Graph.pm b/lib/StarGit/Graph.pm
new file mode 100644
index 0000000..1b9dd0a
--- /dev/null
+++ b/lib/StarGit/Graph.pm
@@ -0,0 +1,138 @@
+package StarGit::Graph;
+
+use Dancer ':syntax';
+use Moose;
+
+with qw(
+  GitHub::Collector::Role::MongoDB
+  GitHub::Collector::Role::Graph::Nodes
+  GitHub::Collector::Role::Graph::Edges
+  GitHub::Collector::Role::Graph::Neighbors
+  GitHub::Collector::Role::Graph::Query
+  GitHub::Collector::Role::Graph::Search
+  GitHub::Collector::Role::Graph::Gexf
+);
+
+has name => (
+    is => 'ro',
+    required => 1,
+    isa => 'Str',
+);
+
+sub neighbors {
+    my ($self, $name) = @_;
+
+    $name ||= $self->name;
+
+    $self->_neighbors($name);
+
+    foreach my $id ( keys %{$self->edges}){
+       $self->connections($id);
+    }
+
+    $self->remove_leaves();
+}
+
+sub _neighbors {
+    my ( $self, $name ) = @_;
+
+    my ($country, $language) = $self->_get_info_from_login($name);
+    my $degree = $self->nodes->{$name} ? $self->nodes->{$name}->{degree} : 0;
+    delete $self->nodes->{$name};
+
+    $self->nodes->{$name} = {
+        id       => $name,
+        label    => $name,
+        degree   => $degree,
+        country  => $country,
+        language => $language,
+    };
+
+    foreach my $type (qw/source target/) {
+        $self->_fetch_edges( $name, $type );
+    }
+}
+
+sub connections {
+    my ( $self, $id ) = @_;
+
+    if ( $self->edges->{ $id}->{sourceID}  eq $self->name ) {
+        $self->_neighbors( $self->edges->{$id}->{targetID}  );
+    }
+    else {
+        $self->_neighbors( $self->edges->{ $id}->{sourceID}  );
+    }
+}
+
+sub remove_leaves {
+    my $self = shift;
+
+    foreach my $id ( keys %{$self->nodes} ) {
+        if ( $self->nodes->{$id}->{degree} < 2 ) {
+            delete $self->nodes->{$id};
+        }
+    }
+
+    foreach my $id ( keys %{$self->edges} ) {
+        unless ( $self->nodes->{ $self->edges->{$id}->{sourceID} }
+            && $self->nodes->{ $self->edges->{$id}->{targetID} } )
+        {
+            delete $self->edges->{ $id };
+        }
+    }
+}
+
+sub _fetch_edges {
+    my ( $self, $name, $type ) = @_;
+
+    my $connections = $self->db_edges->find( { $type => $name } );
+
+    while ( my $edge = $connections->next ) {
+        my $look = $type eq 'source ' ? 'target' : 'source';
+        $self->_create_edge($name, $look, $edge);
+    }
+}
+
+sub _create_edge {
+    my ( $self, $name, $type, $edge ) = @_;
+
+    return if $name eq $edge->{$type};
+
+    my $edge_id = $edge->{$type} . $name;
+    if ( !defined $self->edges->{$edge_id} ) {
+        $self->edges->{$edge_id} = {
+            id       => $edge_id,
+            targetID => $name,
+            sourceID => $edge->{$type},
+            weight   => $edge->{weight},
+        };
+
+        $self->nodes->{$name}->{degree}++;
+
+        if ( defined $self->nodes->{ $edge->{$type} } ) {
+            $self->nodes->{ $edge->{$type} }->{degree}++;
+        }
+        else {
+            my ( $country, $language ) =
+              $self->_get_info_from_login( $edge->{$type} );
+
+            $self->nodes->{ $edge->{$type} } = {
+                id       => $edge->{$type},
+                label    => $edge->{$type},
+                degree   => 1,
+                country  => $country,
+                language => $language,
+            };
+        }
+    }
+}
+
+sub _get_info_from_login {
+    my ($self, $login) = @_;
+    my $info = $self->db_profiles->find_one( { login => $login } );
+    my $country  = $info->{country}  || 'null';
+    my $language = $info->{language} || 'null';
+    return ($country, $language);
+}
+
+1;