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Query all candidates on the helm source initialization #5

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Query all candidates on the helm source initialization #5

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37 changes: 13 additions & 24 deletions helm-gitignore.el
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
;;; helm-gitignore.el --- Generate .gitignore files with gitignore.io.
;;
;; Author: Juan Placencia
;; Version: 0.2.0
;; Version: 0.2.1
;; Keywords: helm gitignore gitignore.io
;; Homepage: https://github.com/jupl/helm-gitignore
;; Package-Requires: ((gitignore-mode "1.1.0") (helm "1.7.0") (request "0.1.0") (cl-lib "0.5"))
Expand All @@ -25,42 +25,31 @@
"Url used to generate .gitignore file.")

(defvar helm-gitignore--list-url
"https://www.gitignore.io/dropdown/templates.json?term=%s"
"https://www.gitignore.io/dropdown/templates.json"
"Url used to get list of templates in raw and human-friendly text.")

(defvar helm-gitignore--cache nil
"Cache that contains results of querying of candidates from gitignore.io.")
(defvar helm--gitignore--candidates '()
"The results of querying of candidates from gitignore.io.")

(defvar helm-gitignore--source
(helm-build-sync-source "gitignore.io"
:candidates 'helm-gitignore--candidates
:action 'helm-gitignore--action
:volatile t
:requires-pattern 1))
:candidates #'helm-gitignore--query-candidates
:action 'helm-gitignore--action))

(defun helm-gitignore--candidates ()
(defun helm-gitignore--query-candidates ()
"Query for gitignore templates."
(let ((delay 0.1))
(unless helm-gitignore--cache
(run-at-time delay nil 'helm-gitignore--query-candidates helm-pattern))
(and (sit-for delay)
(prog1 helm-gitignore--cache
(and helm-gitignore--cache
(setq helm-gitignore--cache nil))))))

(defun helm-gitignore--query-candidates (pattern)
"Query for gitignore templates using given PATTERN."
(request
(format helm-gitignore--list-url pattern)
helm-gitignore--list-url
:parser 'json-read
:success (cl-function
(lambda (&key data &allow-other-keys)
(setq helm-gitignore--cache
(mapcar 'helm-gitignore--format-result data))
(and helm-alive-p (helm-update))))
(setq helm-gitignore--candidates
(mapcar #'helm-gitignore--format-result data))))
:error (cl-function
(lambda (&key error-thrown &allow-other-keys&rest _)
(message error-thrown)))))
(message error-thrown)))
:sync t)
helm-gitignore--candidates)

(defun helm-gitignore--action (candidate)
"Generate .gitignore given at least a CANDIDATE and present to screen."
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