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Group functions in submodules

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Dimitri Lozeve 2022-09-12 16:55:49 +02:00
parent 0f6e22bf6a
commit 8c68491550
6 changed files with 143 additions and 111 deletions
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102
sncf.ss
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@ -4,17 +4,12 @@
(import :std/format
:std/getopt
:std/iter
:std/misc/string
:std/net/request
:std/net/uri
:std/srfi/19
:std/sugar
:std/text/json
:dlozeve/fancy/format
:dlozeve/fancy/table)
(def +sncf-url+ "https://api.sncf.com/v1/coverage/sncf")
:dlozeve/sncf/api
:dlozeve/sncf/display
:dlozeve/sncf/mattermost)
(def (main . args)
(def gopt (getopt (optional-argument 'station help: "Name of the station (default Vernon-Giverny).")
@ -70,94 +65,3 @@
(catch (exn)
(display (error-message exn) (current-error-port))
(exit 1))))
(def (get-station-id sncf-key station)
(def url (format "~a/pt_objects?q=~a&type\\[\\]=stop_area" +sncf-url+ (uri-encode station)))
(def req (http-get url headers: `(("Authorization" . ,sncf-key))))
(if (eq? 200 (request-status req))
(let (req-json (request-json req))
(let ((pts (hash-ref req-json 'pt_objects #f)))
(if (and pts (not (null? pts)))
(values (hash-ref (car pts) 'name) (hash-ref (car pts) 'id))
(begin (display (format "No station found for \"~a\".\n" station) (current-error-port))
(exit 1)))))
(begin (display (format "Failed to query the SNCF API: ~a ~a\n"
(request-status req) (request-status-text req)))
(exit 1))))
(def (get-departures sncf-key station-id (datetime #f))
(def url (format "~a/stop_areas/~a/departures" +sncf-url+ station-id))
(def params (if datetime
`(("from_datetime" . ,(date->string datetime "~Y~m~dT~H~M~S")))
#f))
(def req (http-get url headers: `(("Authorization" . ,sncf-key)) params: params))
(if (eq? 200 (request-status req))
(let (req-json (request-json req))
(values (parse-departures (hash-ref req-json 'departures))
(hash-ref req-json 'disruptions)))
(begin (display (format "Failed to query the SNCF API: ~a ~a\n"
(request-status req) (request-status-text req)))
(exit 1))))
(defstruct departure (network direction base-datetime datetime))
(def (parse-departures departures-json)
(for/collect ((dep departures-json))
(let* ((info (hash-ref dep (string->symbol "display_informations")))
(stop-dt (hash-ref dep (string->symbol "stop_date_time")))
(base-dep-dt-str (hash-ref stop-dt (string->symbol "base_departure_date_time")))
(base-dep-dt (string->date base-dep-dt-str "~Y~m~dT~H~M~S"))
(dep-dt-str (hash-ref stop-dt (string->symbol "departure_date_time")))
(dep-dt (string->date dep-dt-str "~Y~m~dT~H~M~S")))
(departure (hash-ref info 'network)
(hash-ref info 'direction)
base-dep-dt
dep-dt))))
(def (compute-table-widths departures)
(def widths
(for/collect ((dep departures))
(with ((departure network direction _ _) dep)
(list (string-length network) (string-length direction)))))
(apply map max widths))
(def (display-departures-table departures style: (style 'unicode))
(def good-emoji (if (eq? style 'markdown) ":white_check_mark: " ""))
(def bad-emoji (if (eq? style 'markdown) ":warning: " "[yellow]"))
(def widths (compute-table-widths departures))
(def headers (if (eq? style 'markdown)
'("Réseau" "Direction" "Heure")
'("[bold]Réseau" "[bold]Direction" "[bold]Heure")))
(def tab (table headers [(map max '(6 9) widths) ... (if (eq? style 'markdown) 32 13)] style))
(display (table-header tab))
(for ((dep departures))
(with ((departure network direction base-dep-dt dep-dt) dep)
(let* ((hour-str (if (equal? dep-dt base-dep-dt)
(str good-emoji (date->string dep-dt "~H:~M"))
(str bad-emoji (format "~a → ~a"
(date->string base-dep-dt "~H:~M")
(date->string dep-dt "~H:~M"))))))
(display (table-row tab network direction hour-str)))))
(display (table-footer tab)))
(def (display-disruptions disruptions style: (style 'unicode))
(unless (null? disruptions)
(displayln (if (eq? style 'markdown) "**Perturbations :**" (parse-markup "[bold]Perturbations :"))))
(for ((dis disruptions))
(let ((messages (hash-ref dis 'messages '())))
(display (if (eq? style 'markdown) "* " "• "))
(displayln (if (null? messages) "[Pas de message]" (hash-ref (car messages) 'text))))))
(def (post-to-mattermost url text channel: (channel #f))
(def data (list->hash-table `((text . ,text))))
(when channel
(hash-put! data 'channel channel))
(def mattermost-headers '(("Content-Type" . "application/json")))
(def req (http-post url
headers: mattermost-headers
data: (json-object->string data)))
(if (eq? 200 (request-status req))
(display (format "Sent to Mattermost in ~a\n" (if channel channel "default channel")))
(begin (display (format "Failed to send the message to Mattermost: ~a ~a\n"
(request-status req) (request-status-text req)))
(exit 1))))