/
alchemist-hex.el
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alchemist-hex.el
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;;; alchemist-hex.el --- Interface to the Hex package manager API. -*- lexical-binding: t -*-
;; Copyright © 2014-2016 Samuel Tonini
;; Author: Samuel Tonini <tonini.samuel@gmail.com
;; This file is not part of GNU Emacs.
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Interface to the Hex package manager API.
;;; Code:
(require 'json)
(require 'dash)
(defgroup alchemist-hex nil
"Interface to the Hex package manager API."
:prefix "alchemist-test-mode-"
:group 'alchemist)
(defconst alchemist-hex-api-url "https://hex.pm/api/packages/"
"Hex package manager API url.")
(defconst alchemist-hexdoc-url "https://hexdocs.pm"
"Hexdocs url.")
(defconst alchemist-hex-buffer-name "*alchemist-hex*"
"Name of the hex output buffer.")
(defvar alchemist-hex-mode-map
(let ((map (make-sparse-keymap)))
(define-key map "q" #'quit-window)
map))
(defun alchemist-hex--fetch-package-info (pkg-name)
(let* ((inhibit-message t)
(url (concat alchemist-hex-api-url pkg-name))
(string
(with-current-buffer (url-retrieve-synchronously url t)
(goto-char (point-min))
(search-forward "\n\n")
(delete-region (point-min) (point))
(buffer-string))))
(when (string-match-p "\"status\":404" string)
(error (format "There is no hex package [%s] available" pkg-name)))
(json-read-from-string string)))
(defun alchemist-hex--fetch-search-packages (pkg-name)
(let* ((inhibit-message t)
(url (concat alchemist-hex-api-url "?search=" pkg-name))
(string
(with-current-buffer (url-retrieve-synchronously url t)
(goto-char (point-min))
(search-forward "\n\n")
(delete-region (point-min) (point))
(buffer-string))))
(json-read-from-string string)))
(defun alchemist-hex--deps-name-at-point ()
"Return the dependency name under the cursor."
(let (p1 p2)
(save-excursion
(skip-chars-backward "-_a-z0-9")
(setq p1 (point))
(skip-chars-forward "-_a-z0-9")
(setq p2 (point))
(buffer-substring-no-properties p1 p2))))
(defun alchemist-hex--display-releases-for (package-name)
(let* ((infos (alchemist-hex--fetch-package-info package-name))
(releases (cdr (assoc 'releases infos)))
(latest-version (cdr (assoc 'version (aref releases 0))))
(latest-version-url (cdr (assoc 'url (aref releases 0))))
(buffer (get-buffer-create alchemist-hex-buffer-name)))
(with-current-buffer buffer
(let ((inhibit-read-only t))
(goto-char (point-min))
(erase-buffer)
(insert (propertize (format "%s versions (latest version " package-name)
'face font-lock-variable-name-face))
(insert-button latest-version
'action (lambda (x) (browse-url (button-get x 'url)))
'url (replace-regexp-in-string "\\(api/\\|releases/\\)" "" latest-version-url))
(insert ")\n\n")
(-map (lambda (release)
(let ((version (cdr (assoc 'version release)))
(url (cdr (assoc 'url release)))
(date (date-to-time (cdr (assoc 'inserted_at release)))))
(insert-button version
'action (lambda (x) (browse-url (button-get x 'url)))
'url (replace-regexp-in-string "\\(api/\\|releases/\\)" "" url))
(insert (format " (%s %s)"
(propertize "released on" 'face font-lock-string-face)
(format-time-string "%Y-%m-%d" date)))
(insert " (")
(insert-button "docs"
'face font-lock-constant-face
'action (lambda (x) (browse-url (button-get x 'url)))
'url (format "%s/%s/%s" alchemist-hexdoc-url package-name version))
(insert ")\n"))) releases)
(align-regexp (point-min) (point-max) (concat "\\(\\s-*\\)" " (") 1 1 t)
(goto-char (point-min))
(alchemist-hex-mode)))
(pop-to-buffer buffer)))
(defun alchemist-hex--display-info-for (package-name)
(let* ((infos (alchemist-hex--fetch-package-info package-name))
(releases (cdr (assoc 'releases infos)))
(latest-release (cdr (assoc 'version (aref releases 0))))
(meta (assoc 'meta infos))
(buffer (get-buffer-create alchemist-hex-buffer-name)))
(with-current-buffer buffer
(let ((inhibit-read-only t)
(latest-version (cdr (assoc 'version (aref releases 0))))
(latest-version-url (cdr (assoc 'url (aref releases 0)))))
(goto-char (point-min))
(erase-buffer)
(insert (cdr (assoc 'description meta)))
(insert "\n\n")
(insert (propertize "Config: "
'face font-lock-string-face))
(insert (format "{:%s, => \"~> %s\"}" package-name latest-release))
(insert "\n")
(insert (propertize "Latest release: " 'face font-lock-string-face))
(insert-button latest-version
'action (lambda (x) (browse-url (button-get x 'url)))
'url (replace-regexp-in-string "\\(api/\\|releases/\\)" "" latest-version-url))
(insert "\n\n")
(insert (propertize "Maintainers: " 'face font-lock-string-face))
(-map (lambda (maintainer)
(insert (format "\n - %s" (decode-coding-string maintainer 'utf-8-auto)))
) (cdr (assoc 'maintainers meta)))
(insert "\n")
(insert (propertize "Licenses: " 'face font-lock-string-face))
(-map (lambda (license)
(insert (format "%s" (decode-coding-string license 'utf-8-auto)))
) (cdr (assoc 'licenses meta)))
(insert "\n")
(insert (propertize "Links: " 'face font-lock-string-face))
(-map (lambda (link)
(let ((link-name (car link))
(url (decode-coding-string (cdr link) 'utf-8-auto)))
(insert (format "\n %s: " link-name))
(insert-button url
'action (lambda (x) (browse-url (button-get x 'url)))
'url url))) (cdr (assoc 'links meta)))
(insert "\n")
(insert (propertize "Releases: \n" 'face font-lock-string-face))
(-map (lambda (release)
(let ((version (cdr (assoc 'version release)))
(url (cdr (assoc 'url release))))
(insert " - ")
(insert-button version
'action (lambda (x) (browse-url (button-get x 'url)))
'url (replace-regexp-in-string "\\(api/\\|releases/\\)" "" url))
(insert " (")
(insert-button "docs"
'face font-lock-constant-face
'action (lambda (x) (browse-url (button-get x 'url)))
'url (format "%s/%s/%s" alchemist-hexdoc-url package-name version))
(insert ")\n"))) releases)
(align-regexp (point-min) (point-max) (concat "\\(\\s-*\\)" " (") 1 1 t)
(goto-char (point-min))
(alchemist-hex-mode)))
(pop-to-buffer buffer)))
(defun alchemist-hex-search (package-name)
"Search for Hex packages."
(interactive "Mhex search: \n")
(let* ((packages (alchemist-hex--fetch-search-packages package-name))
(buffer (get-buffer-create alchemist-hex-buffer-name)))
(with-current-buffer buffer
(let ((inhibit-read-only t))
(goto-char (point-min))
(erase-buffer)
(insert (propertize "search results for: "
'face font-lock-variable-name-face))
(insert (propertize (format "%s \n\n" package-name)
'face font-lock-builtin-face))
(-map (lambda (package)
(let ((name (cdr (assoc 'name package)))
(date (date-to-time (cdr (assoc 'inserted_at package))))
(version (cdr (assoc 'version (aref (cdr (assoc 'releases package)) 0))))
(url (cdr (assoc 'url package)))
(latest-release-url (cdr (assoc 'url (aref (cdr (assoc 'releases package)) 0)))))
(when (string-match-p package-name name)
(insert-button name
'action (lambda (x) (browse-url (button-get x 'url)))
'url url)
(insert " ")
(insert-button version
'action (lambda (x) (browse-url (button-get x 'url)))
'url (replace-regexp-in-string "\\(api/\\|releases/\\)" "" latest-release-url))
(insert (format " (%s %s)"
(propertize "released on" 'face font-lock-string-face)
(format-time-string "%Y-%m-%d" date)))
(insert " (")
(insert-button "docs"
'face font-lock-constant-face
'action (lambda (x) (browse-url (button-get x 'url)))
'url (format "%s/%s/%s" alchemist-hexdoc-url name version))
(insert ")\n")
(align-regexp (point-min) (point-max) (concat "\\(\\s-*\\)" " ") 1 1 t))))
packages)
(goto-char (point-min))
(alchemist-hex-mode)))
(pop-to-buffer buffer)))
(defun alchemist-hex-all-dependencies ()
"Display Hex package dependencies for the current Mix project."
(interactive)
(unless (alchemist-project-p)
(error "No 'mix.exs' file exists."))
(let* ((mix-content
(with-temp-buffer
(insert-file-contents (concat (alchemist-project-root) "mix.exs"))
(goto-char (point-min))
(delete-matching-lines "#")
(buffer-string)))
(deps-start (with-temp-buffer
(insert mix-content)
(goto-char (point-min))
(search-forward "defp deps do")))
(deps-end (with-temp-buffer
(insert mix-content)
(goto-char deps-start)
(search-forward "end")))
(deps (substring mix-content deps-start (- deps-end 4)))
(deps (replace-regexp-in-string "\\(\\[\\|\\]\\)" "" deps))
(deps (split-string deps "}\s*,"))
(deps (-map (lambda (dep)
(replace-regexp-in-string "\\(\{\\|\}\\|\n\\|^\s*\\)" "" dep))
deps))
(deps (-sort 'equal deps)))
(unless (string-match-p "\s*defp? deps do" mix-content)
(error "No dependency informations available in 'mix.exs'."))
(let* ((content (with-temp-buffer
(goto-char (point-min))
(erase-buffer)
(-map (lambda (dep)
(insert dep)
(insert "\n")) deps)
(goto-char (point-min))
(align-regexp (point-min) (point-max) (concat "\\(\\s-*\\)" ", ") 1 1 t)
(while (search-forward ", " nil t)
(replace-match " " nil t))
(sort-lines nil (point-min) (point-max))
(buffer-string))))
(alchemist-interact-create-popup alchemist-hex-buffer-name
content
#'(lambda ()
(elixir-mode)
(alchemist-hex-mode))))))
(defun alchemist-hex-info-at-point ()
"Display Hex package information for the package at point."
(interactive)
(alchemist-hex--display-info-for (alchemist-hex--deps-name-at-point)))
(defun alchemist-hex-releases-at-point ()
"Display Hex package releases for the package at point."
(interactive)
(alchemist-hex--display-releases-for (alchemist-hex--deps-name-at-point)))
(defun alchemist-hex-releases (package-name)
"Display Hex package releases for a certain package."
(interactive "Mhex releases: \n")
(alchemist-hex--display-releases-for package-name))
(defun alchemist-hex-info (package-name)
"Display Hex package info for a certain package."
(interactive "Mhex info: \n")
(alchemist-hex--display-info-for package-name))
(define-minor-mode alchemist-hex-mode
"Minor mode for displaying Hex package manager informations.
\\{alchemist-hex-mode-map}"
nil
"Alchemist-Hex"
alchemist-hex-mode-map
(setq buffer-read-only t))
(provide 'alchemist-hex)
;;; alchemist-hex.el ends here