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router.ex
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router.ex
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defmodule Exq.RouterPlug do
require Logger
require EEx
alias Exq.RouterPlug.Router
def init(options) do
if options[:exqopts] do
enq_opts = options[:exqopts]
else
enq_opts = [{:name, :exq_enqueuer}]
end
Keyword.put(options, :exqopts, enq_opts)
end
def call(conn, opts) do
conn = Plug.Conn.assign(conn, :namespace, opts[:namespace] || "exq")
conn = Plug.Conn.assign(conn, :exq_name, opts[:exqopts][:name])
case opts[:namespace] do
"" ->
Router.call(conn, Router.init(opts))
_ ->
namespace(conn, opts, opts[:namespace])
end
end
def namespace(%Plug.Conn{path_info: [ns | path]} = conn, opts, ns) do
Router.call(%Plug.Conn{conn | path_info: path}, Router.init(opts))
end
def namespace(conn, _opts, _ns), do: conn
defmodule Router do
import Plug.Conn
use Plug.Router
plug Plug.Static, at: "/", from: :exq
plug JsonApi, on: "api"
plug :match
plug :dispatch
get "/api/stats/all" do
{:ok, processed} = Exq.Api.stats(conn.assigns[:exq_name], "processed")
{:ok, failed} = Exq.Api.stats(conn.assigns[:exq_name], "failed")
{:ok, busy} = Exq.Api.busy(conn.assigns[:exq_name])
{:ok, queues} = Exq.Api.queue_size(conn.assigns[:exq_name])
qtotal = 0
queue_sizes = for {q, size} <- queues do
{size, _} = Integer.parse(size)
size
end
qtotal = "#{Exq.Math.sum_list(queue_sizes)}"
{:ok, json} = Poison.encode(%{stat: %{id: "all", processed: processed, failed: failed, busy: busy, enqueued: qtotal}})
send_resp(conn, 200, json)
conn |> halt
end
get "/api/realtimes" do
{:ok, failures, successes} = Exq.Api.realtime_stats(conn.assigns[:exq_name])
f = for {date, count} <- failures do
%{id: "f#{date}", date: date, count: count, type: "failure"}
end
s = for {date, count} <- successes do
%{id: "s#{date}", date: date, count: count, type: "success"}
end
all = %{realtimes: f ++ s}
{:ok, json} = Poison.encode(all)
send_resp(conn, 200, json)
conn |> halt
end
get "/api/failures" do
{:ok, failed} = Exq.Api.failed(conn.assigns[:exq_name])
failures = for f <- failed do
{:ok, fail} = Poison.decode(f, %{})
Map.put(fail, :id, fail["jid"])
end
{:ok, json} = Poison.encode(%{failures: failures})
send_resp(conn, 200, json)
conn |> halt
end
delete "/api/failures/:id" do
{:ok} = Exq.Api.remove_failed(conn.assigns[:exq_name], id)
send_resp(conn, 204, "")
conn |> halt
end
delete "/api/failures" do
{:ok} = Exq.Api.clear_failed(conn.assigns[:exq_name])
send_resp(conn, 204, "")
conn |> halt
end
post "/api/failures/:id/retry" do
send_resp(conn, 200, "")
conn |> halt
end
get "/api/processes" do
{:ok, processes} = Exq.Api.processes(conn.assigns[:exq_name])
process_jobs = for p <- processes do
{:ok, process} = Poison.decode(p, %{})
{:ok, pjob} = Poison.decode(process["job"], %{})
process = Map.delete(process, "job")
process = Map.put(process, :job_id, pjob["jid"])
process = Map.put(process, :id, "#{process["host"]}:#{process["pid"]}")
pjob = Map.put(pjob, :id, pjob["jid"])
[process, pjob]
end
processes = for [process, job] <- process_jobs, do: process
jobs = for [process, job] <- process_jobs, do: job
{:ok, json} = Poison.encode(%{processes: processes, jobs: jobs})
send_resp(conn, 200, json)
conn |> halt
end
get "/api/queues" do
{:ok, queues} = Exq.Api.queue_size(conn.assigns[:exq_name])
job_counts = for {q, size} <- queues, do: %{id: q, size: size}
{:ok, json} = Poison.encode(%{queues: job_counts})
send_resp(conn, 200, json)
conn |> halt
end
get "/api/queues/:id" do
{:ok, jobs} = Exq.Api.jobs(conn.assigns[:exq_name], id)
jobs_structs = for j <- jobs do
{:ok, job} = Poison.decode(j, %{})
Map.put(job, :id, job["jid"])
end
job_ids = for j <- jobs_structs, do: j[:id]
{:ok, json} = Poison.encode(%{queue: %{id: id, job_ids: job_ids, partial: false}, jobs: jobs_structs})
send_resp(conn, 200, json)
conn |> halt
end
delete "/api/queues/:id" do
Exq.Api.remove_queue(conn.assigns[:exq_name], id)
send_resp(conn, 204, "")
conn |> halt
end
# delete "/api/processes/:id" do
# {:ok} = Exq.Api.remove_process(:exq_enq_ui, id)
# send_resp(conn, 204, "")
# conn |> halt
# end
delete "/api/processes" do
{:ok} = Exq.Api.clear_processes(conn.assigns[:exq_name])
send_resp(conn, 204, "")
conn |> halt
end
# precompile index.html into render_index/1 function
index_path = Path.join([Application.app_dir(:exq), "priv/static/index.html"])
EEx.function_from_file :defp, :render_index, index_path, [:assigns]
match _ do
base = ""
if conn.assigns[:namespace] != "" do
base = "#{conn.assigns[:namespace]}/"
end
conn |>
put_resp_header("content-type", "text/html") |>
send_resp(200, render_index(base: base)) |>
halt
end
end
end