TEMPLATE: library
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README.md
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README.md
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# RlRepo
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## Usage
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To run.
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```sh
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elixir --sname foo -S mix run --no-halt
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```
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To run an observer.
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```sh
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erl -setcookie MyCookie -run observer
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```
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## API Usage
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/<repo_name>/<?sub_repo_name>/<pkg_name>/download
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assets/html/404-error.html
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assets/html/404-error.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>404 Not Found</title>
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</head>
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<body>
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<center>
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<h1>404 Not Found</h1>
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<p>Reason: ~(reason) </p>
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</center>
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</body>
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</html>
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@ -31,7 +31,7 @@ defmodule RlRepo.ClientHandler do
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# TODO: Handle routing here.
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a = String.split(request, "\n\r");
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Logger.info a
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# Logger.info a
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[get_line | rest] = a
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b = String.split(get_line, " ");
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@ -40,22 +40,24 @@ defmodule RlRepo.ClientHandler do
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Logger.info "#{request_type} #{path}"
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# Parse path
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split_path = String.split(path, "/");
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split_path = String.split(path, "/", trim: true);
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# Ignore the first slash.
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[_ | rest ] = split_path
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# [_ | rest ] = split_path
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split_path_length = length(rest)
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Logger.info split_path_length
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split_path_length = length(split_path)
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ret = case split_path_length do
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1 -> RlRepo.Router.parse_1_segment_path(rest)
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|> RlRepo.Router.route_1(request_type)
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3 ->
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RlRepo.Router.parse_3_segment_path(rest)
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|> RlRepo.Router.route_3(request_type)
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4 ->
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RlRepo.Router.parse_4_segment_path(rest)
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|> RlRepo.Router.route_4(request_type)
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# Note: Error handling.
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_ -> RlRepo.Router.status_404()
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end
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end
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@ -3,6 +3,17 @@ defmodule RlRepo.Router do
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@moduledoc """
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"""
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def status_404() do
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placeholders = %{ "reason" => "Unknown"}
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{404, "text/html", RlRepo.Template.template("404-error", placeholders)}
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end
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def route_1(path, request_type) do
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{200, "text/html", "Hi"}
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end
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def route_3( path, request_type) do
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Logger.info "#{request_type}"
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{repo_name, pkg_name, action} = path
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@ -20,6 +31,10 @@ defmodule RlRepo.Router do
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{200, "text/html", "<p>Hi</p>"}
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end
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def parse_1_segment_path(path) do
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[repo_name | _ ] = path
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{repo_name}
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end
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def parse_3_segment_path(path) do
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[repo_name | rest ] = path
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29
lib/templating.ex
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lib/templating.ex
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defmodule RlRepo.Template do
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require Logger
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def template(template_name, replacements) do
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Logger.info "Loading template #{template_name}"
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{:ok, body} = File.read("assets/html/#{template_name}.html")
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# TODO: Find all template start '~(' and all template ends ')'
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[before_placeholder | rest] = split_path = String.split(body, "~(");
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[abc | _] = rest
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[placeholder_name | after_placeholder] = String.split(abc, ")");
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# Logger.info rest
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{:ok, replace} = Map.fetch(replacements, placeholder_name)
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# next = String.split(rest, ")");
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Logger.info "Replacing #{placeholder_name} with #{replace}"
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[after_placeholder| _] = after_placeholder
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a = before_placeholder <> replace <> after_placeholder
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# TODO: use the map to populate placeholders
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a
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# body
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end
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end
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