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slack-dialog.el
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slack-dialog.el
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;;; slack-dialog.el --- -*- lexical-binding: t; -*-
;; Copyright (C) 2018
;; Author: <yuya373@yuya373>
;; Keywords:
;; 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 <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'eieio)
(require 'slack-util)
(require 'slack-request)
(require 'slack-selectable)
(require 'slack-team)
(require 'slack-room)
(defclass slack-dialog ()
((title :initarg :title :type string)
(callback-id :initarg :callback_id :type string)
(elements :initarg :elements :type list)
(state :initarg :state :type (or null string) :initform nil)
(submit-label :initarg :submit_label :type string :initform "Submit")
(notify-on-cancel :initarg :notify_on_cancel :type boolean :initform nil)
(error-message :initarg :error-message :type (or null string) :initform nil)
))
(defclass slack-dialog-element ()
((name :initarg :name :type string)
(label :initarg :label :type string)
(type :initarg :type :type string)
(optional :initarg :optional :type boolean :initform nil)
(placeholder :initarg :placeholder :type (or null string) :initform nil)
(value :initarg :value :type (or null string) :initform nil)
(errors :initarg :errors :type list :initform '())))
(defclass slack-dialog-element-error ()
((name :initarg :name :type string)
(error-message :initarg :error-message :type string)))
(defclass slack-dialog-text-element (slack-dialog-element)
((max-length :initarg :max_length :type number :initform 150)
(min-length :initarg :min_length :type number :initform 0)
(hint :initarg :hint :type (or null string) :initform nil)
;; one of email, number, tel or url
(subtype :initarg :subtype :type (or null string) :initform nil)))
(defclass slack-dialog-textarea-element (slack-dialog-text-element)
((max-length :initarg :max_length :type number :initform 3000)))
(defclass slack-dialog-select-element (slack-dialog-element slack-selectable)
((min-query-length :initarg :min_query_length :type (or null number) :initform nil)))
(defclass slack-dialog-select-option (slack-selectable-option)
((label :initarg :label :type string)))
(defclass slack-dialog-select-option-group (slack-selectable-option-group)
((label :initarg :label :type string)))
(cl-defmethod slack-dialog-element-value ((this slack-dialog-element))
(or (oref this value) ""))
(cl-defmethod slack-dialog-element-value ((this slack-dialog-select-element))
(with-slots (data-source selected-options) this
(or (cond
((string= data-source "external")
(and selected-options
(car selected-options)
(oref (car selected-options) value)))
(t (oref this value)))
"")))
(cl-defmethod slack-equalp ((this slack-dialog-element) other)
(string= (oref this name)
(oref other name)))
(cl-defmethod slack-dialog-selected-option ((this slack-dialog-select-element))
(with-slots (data-source value options selected-options) this
(if (string= data-source "static")
(cl-find-if #'(lambda (op) (string= (oref op value)
value))
options)
(and selected-options (car selected-options)))))
(cl-defmethod slack-selectable-text ((this slack-dialog-select-option))
(oref this label))
(cl-defmethod slack-selectable-text ((this slack-dialog-select-option-group))
(oref this label))
(cl-defmethod slack-selectable-prompt ((this slack-dialog-select-element))
(format "%s :"
(oref this label)))
(defun slack-dialog-text-element-create (payload)
(apply #'make-instance 'slack-dialog-text-element
(slack-collect-slots 'slack-dialog-text-element payload)))
(defun slack-dialog-textarea-element-create (payload)
(apply #'make-instance 'slack-dialog-textarea-element
(slack-collect-slots 'slack-dialog-textarea-element payload)))
(defun slack-dialog-select-element-create (payload)
(let ((options
(mapcar #'(lambda (e)
(apply #'make-instance 'slack-dialog-select-option
(slack-collect-slots 'slack-dialog-select-option
e)))
(plist-get payload :options)))
(option-groups
(mapcar #'(lambda (e)
(apply #'make-instance
'slack-dialog-select-option-group
(slack-collect-slots 'slack-dialog-select-option-group
e)))
(plist-get payload :option_groups))))
(setq payload (plist-put payload :options options))
(setq payload (plist-put payload :option_groups option-groups))
(apply #'make-instance 'slack-dialog-select-element
(slack-collect-slots 'slack-dialog-select-element
payload))))
(defun slack-dialog-element-create (payload)
(let ((type (plist-get payload :type)))
(cond
((string= type "select")
(slack-dialog-select-element-create payload))
((string= type "text")
(slack-dialog-text-element-create payload))
((string= type "textarea")
(slack-dialog-textarea-element-create payload))
(t (error "Unknown dialog element type: %s" type)))))
(defun slack-dialog-create (payload)
(let ((elements (mapcar #'slack-dialog-element-create
(plist-get payload :elements))))
(setq payload (plist-put payload :elements elements))
(apply #'make-instance 'slack-dialog
(slack-collect-slots 'slack-dialog payload))))
(cl-defmethod slack-dialog-element-validate ((this slack-dialog-element) value)
(with-slots (optional label) this
(when (and (not optional)
(or (null value)
(< (length value) 1)))
(error "%s must not be empty" label))))
(cl-defmethod slack-dialog-element-validate ((_this slack-dialog-select-element) _value)
(cl-call-next-method))
(cl-defmethod slack-dialog-element-validate ((this slack-dialog-text-element) value)
(cl-call-next-method)
(with-slots (min-length max-length label) this
(when (< max-length (length value))
(error "%s must be less than %s" label max-length))
(when (< (length value) min-length)
(error "%s must be greater than %s" label min-length))))
(cl-defmethod slack-dialog-execute ((this slack-dialog-text-element) _dialog-id _team)
(with-slots (hint value placeholder label optional) this
(let* ((prompt (format "%s%s%s : "
label
(if hint (format " (%s)" hint) "")
(if optional " (optional)" "")))
(value (read-from-minibuffer prompt value)))
(slack-dialog-element-validate this value)
value)))
(cl-defmethod slack-dialog-execute ((_this slack-dialog-textarea-element) _dialog-id _team)
(cl-call-next-method))
(cl-defmethod slack-dialog-select-element-get-suggestions ((this slack-dialog-select-element)
dialog-id team after-success)
(let* ((url "https://slack.com/api/dialog.selectSuggestion")
(min-query-length (oref this min-query-length))
(prompt (format "Type hints to see options (minimum: %s) : " min-query-length))
(params (list (cons "dialog_id" dialog-id)
(cons "name" (oref this name))
(cons "value" (read-from-minibuffer prompt)))))
(cl-labels
((on-success (&key data &allow-other-keys)
(slack-request-handle-error
(data "slack-dialog-select-fetch-suggestion")
(funcall after-success data))))
(slack-request
(slack-request-create
url
team
:type "POST"
:params params
:sync t
:success #'on-success)))))
(cl-defmethod slack-dialog-execute ((this slack-dialog-select-element) dialog-id team)
(slack-if-let* ((selected (slack-dialog--execute this dialog-id team)))
(cdr selected)))
(cl-defmethod slack-dialog--execute ((this slack-dialog-select-element) dialog-id team)
(with-slots (data-source) this
(cond
((string= data-source "external")
(let ((result-option nil))
(cl-labels
((log-error (err)
(slack-log (format "Error: %s" err) team :level 'error))
(select (options)
(slack-if-let*
((selected (completing-read "Choose an Option..."
(mapcar #'(lambda (option)
(plist-get option :label))
options)
nil t)))
(cl-find-if #'(lambda (option) (string= selected
(plist-get option :label)))
options)))
(after-success (data)
(slack-request-handle-error
(data "slack-dialog-execute"
#'log-error)
(let ((option-groups (plist-get data :option_groups))
(options (plist-get data :options)))
(when option-groups
(slack-if-let* ((selected-option-group (select option-groups)))
(setq options (plist-get selected-option-group :options))))
(when options
(slack-if-let* ((selected (select options)))
(setq result-option selected)))))))
(slack-dialog-select-element-get-suggestions this
dialog-id
team
#'after-success)
(if result-option
(cons (plist-get result-option :label)
(plist-get result-option :value))))))
((string= data-source "conversations")
(slack-if-let* ((rooms (append (slack-team-channels team)
(slack-team-groups team)
(slack-team-ims team)))
(room (slack-room-select rooms team)))
(cons (slack-room-name room team)
(oref room id))))
((string= data-source "channels")
(slack-if-let* ((channels (slack-team-channels team))
(channel (slack-room-select channels team)))
(cons (slack-room-name channel team)
(oref channel id))))
((string= data-source "users")
(slack-if-let* ((id (plist-get (slack--user-select team) :id)))
(cons (slack-user-name id team)
id)))
((string= "static" data-source)
(slack-if-let* ((selected (slack-selectable-select-from-static-data-source this)))
(cons (oref selected label)
(oref selected value))))
(t (error "Unknown element's data-source: %s" data-source))
)))
(cl-defmethod slack-dialog--submit ((_this slack-dialog)
dialog-id team submission
&optional after-success)
(let ((url "https://slack.com/api/dialog.submit")
(params (list (cons "submission" (json-encode-alist submission))
(cons "dialog_id" dialog-id))))
(cl-labels
((on-success (&key data &allow-other-keys)
(when (functionp after-success)
(funcall after-success data))))
(slack-request
(slack-request-create
url
team
:type "POST"
:params params
:success #'on-success)))))
(cl-defmethod slack-dialog-submit ((this slack-dialog) dialog-id team)
(with-slots (elements) this
(let ((submission (mapcar #'(lambda (element)
(let ((value (slack-dialog-execute element dialog-id team)))
(cons (oref element name) value)))
elements)))
(slack-dialog--submit this dialog-id team submission))))
(cl-defmethod slack-dialog-notify-cancel ((this slack-dialog) dialog-id team)
(slack-if-let* ((url "https://slack.com/api/dialog.notifyCancel")
(params (list (cons "dialog_id" dialog-id)))
(notify-cancelp (oref this notify-on-cancel)))
(cl-labels
((on-success (&key data &allow-other-keys)
(slack-request-handle-error
(data "slack-dialog-notify-cancel"))))
(slack-request
(slack-request-create
url
team
:type "POST"
:params params
:success #'on-success)))))
(cl-defmethod slack-dialog-clear-errors ((this slack-dialog))
(oset this error-message nil)
(dolist (element (oref this elements))
(oset element errors nil)))
(provide 'slack-dialog)
;;; slack-dialog.el ends here