defmodule BackendWeb.GraphView do use BackendWeb, :view alias BackendWeb.GraphView def render("index.json", %{nodes: nodes, edges: edges}) do %{ nodes: render_many(nodes, GraphView, "node.json"), edges: render_many(edges, GraphView, "edge.json") } end def render("node.json", %{graph: node}) do size = case node.user_count > 1 do true -> :math.log(node.user_count) false -> 1 end # This is the format that cytoscape.js expects. %{ data: %{ id: node.domain, label: node.domain, size: size }, position: %{ x: node.x, y: node.y } } end def render("edge.json", %{graph: edge}) do %{ data: %{ id: edge.id, source: edge.source_domain, target: edge.target_domain, weight: edge.weight } } end end