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;; -*- mode: lisp; -*-
;; (pushnew '(SLYNK:*STRING-ELISION-LENGTH* . nil) slynk:*slynk-pprint-bindings* :test #'equal)
(in-package :webstats-js)
(defun register-visit (data)
(fetch "http://localhost/stats/visit"
(create :method "POST"
:headers (create "Content-Type" "application/x-www-form-urlencoded")
:body (new (-u-r-l-search-params data)))))
(defun register-click (event)
(when (or (= 1 (@ event which))
(= 2 (@ event which)))
(chain event (prevent-default))
(let ((link (getprop event 'current-target 'href)))
(chain
(register-visit (create :click link
:page (@ document location href)))
(finally (lambda ()
(if (or (= 2 (@ event which))
(eql (@ event target target) "_blank"))
(chain window (open link "_blank"))
(setf (@ window location href) link))))))))
(defun instrument-links ()
(for-of (link ((@ document query-selector-all) "a"))
(setf (@ link onclick) #'register-click)
(setf (@ link onauxclick) #'register-click)))
(defun register-page-load ()
(let ((data (create :title (@ document title)
:page (@ document location href)
:referer (@ document referrer))))
(chain
(register-visit data)
(then (lambda (r)
((@ console log) r)
((@ r text))))
(then (@ console log)))))
(defun response-to-json (response)
(if (@ response ok)
(chain response (json))
(throw (new (-error "not 2XX resp")))))
(defun spaced-color (idx &optional (opacity 1))
(concatenate 'string "hsl(" (* 137.506 idx) ",70%,55%," opacity ")"))
(defun plot (data)
(new
(u-plot
(create
:title "Site activity visits"
:width 450
:height 400
:cursor (create sync (create key "moo"))
:series (list (create label "Time")
(create label "visits" stroke "red")))
data
(chain document (get-element-by-id "graph")))))
(defun plot-site (data)
(let ((bars ((@ u-plot paths bars)
(create align 1 gap 0 size (list 0.8 -infinity)))))
(new
(u-plot
(create
:title "Individual Site activity visits"
:width 450
:height 400
:cursor (create sync (create key "moo"))
:series (list (create label "Time")
(create label "stats" stroke (spaced-color 0)
fill (spaced-color 0 0.2)
paths bars)
(create label "proxy" stroke (spaced-color 1)
fill (spaced-color 1 0.2)
paths bars)
(create label "blog" stroke (spaced-color 2)
fill (spaced-color 2 0.2)
paths bars)))
data
(chain document (get-element-by-id "graph"))))))
(add-event-listener
"load"
(lambda ()
(instrument-links)
(register-page-load)
(ps:chain (fetch "/stats/metric.json?q=split")
(then #'response-to-json)
(then #'plot-site))))
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