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defmodule Nola.Plugins.Link.Github do
@behaviour Nola.Plugins.Link
@impl true
def match(uri = %URI{host: "github.com", path: path}, _) do
with ["", user, repo] <- String.split(path, "/") do
{true, %{user: user, repo: repo, path: "#{user}/#{repo}"}}
else
_ -> false
end
end
def match(_, _), do: false
@impl true
def post_match(_, _, _, _), do: false
@impl true
def expand(_uri, %{user: user, repo: repo}, _opts) do
with {:ok, response} <- HTTPoison.get("https://api.github.com/repos/#{user}/#{repo}"),
{:ok, json} <- Jason.decode(response.body) do
info = %{
full_name: json["full_name"],
disabled: json["disabled"],
archived: json["archived"],
source: json["source"],
description: json["description"],
topics: json["topics"],
language: json["language"],
open_issues_count: json["open_issues_count"],
pushed_at: json["pushed_at"],
stargazers_count: json["stargazers_count"],
subscribers_count: json["subscribers_count"],
forks_count: json["forks_count"]
}
start = build_start(info)
tags = build_tags(info)
network = build_network(info)
{:ok, [start, tags, network]}
else
_ -> :error
end
end
defp build_start(info) do
parts = []
|> maybe_add(info.disabled, " (disabled)")
|> maybe_add(info.archived, " (archived)")
|> maybe_add(info.source && info.source["full_name"] != info.full_name, " (⑂ #{info.source["full_name"]})")
"#{info.full_name}#{parts} - #{info.description}"
end
defp build_tags(info) do
for(t <- info.topics || [], do: "##{t}") |> Enum.intersperse(", ") |> Enum.join("")
end
defp build_network(info) do
lang = info.language && "#{info.language} - " || ""
issues = info.open_issues_count && "#{info.open_issues_count} issues - " || ""
last_push =
if at = info.pushed_at do
{:ok, date, _} = DateTime.from_iso8601(at)
" - last pushed #{DateTime.to_string(date)}"
else
""
end
"#{lang}#{issues}#{info.stargazers_count} stars - #{info.subscribers_count} watchers - #{info.forks_count} forks#{last_push}"
end
defp maybe_add(acc, condition, value) do
if condition, do: acc ++ [value], else: acc
end
end
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