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#lang racket
(provide index-page
ferti-page
new-measurement-page
new-target-page
fallback-page)
(require gregor
web-server/formlets
"formlets.rkt"
"models/user.rkt"
"models/nutrient.rkt"
"models/nutrient-measurement.rkt"
"models/nutrient-target.rkt"
"models/fertilizer-product.rkt")
(define (page-template title body-xexpr)
`(html (head (meta ([charset "utf-8"]))
(meta ([name "viewport"] [content "width=device-width, initial-scale=1"]))
(title ,title)
;; Bootstrap CSS
(link ([href "https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css"]
[rel "stylesheet"]
[integrity
"sha384-QWTKZyjpPEjISv5WaRU9OFeRpok6YctnYmDr5pNlyT2bRjXh0JMhjY6hW+ALEwIH"]
[crossorigin "anonymous"])))
(body ,navbar
(div ((class "container")) ,@body-xexpr)
;; Bootstrap JS bundle
(script
([src "https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"]
[integrity "sha384-YvpcrYf0tY3lHB60NNkmXc5s9fDVZLESaAA55NDzOxhy9GkcIdslK1eN7N6jIeHz"]
[crossorigin "anonymous"])))))
;; Page components
(define navbar
'(nav
((class "navbar navbar-expand-lg navbar-light bg-light"))
(div
((class "container-fluid"))
(a ((class "navbar-brand") [href "/"]) "FAPG")
(button ((class "navbar-toggler") [type "button"]
[data-bs-toggle "collapse"]
[data-bs-target "#navbarSupportedContent"]
[aria-controls "navbarSupportedContent"]
[aria-expanded "false"]
[aria-label "Toggle navigation"])
(span ((class "navbar-toggler-icon"))))
(div ((class "collapse navbar-collapse") [id "navbarSupportedContent"])
(ul ((class "navbar-nav me-auto mb-2 mb-lg-0"))
#;(li ((class "nav-item dropdown"))
(a ((class "nav-link dropdown-toggle") [href "#"]
[id "navbarDropdown"]
[role "button"]
[data-bs-toggle "dropdown"]
[aria-expanded "false"])
"Dropdown")
(ul ((class "dropdown-menu") [aria-labelledby "navbarDropdown"])
(li (a ((class "dropdown-item") [href "#"]) "Action"))
(li (a ((class "dropdown-item") [href "#"]) "Another action"))
(li (hr ((class "dropdown-divider"))))
(li (a ((class "dropdown-item") [href "#"]) "Something else here"))))
(li ((class "nav-item"))
(a ((class "nav-link disabled") [href "#"] [tabindex "-1"] [aria-disabled "true"])
"Clients"))
(li ((class "nav-item"))
(a ((class "nav-link active") [aria-current "page"] [href "/ferti"]) "Ferti"))
(li ((class "nav-item"))
(a ((class "nav-link disabled") [href "#"] [tabindex "-1"] [aria-disabled "true"])
"Cultures"))
(li ((class "nav-item")) (a ((class "nav-link") [href "/contact"]) "Contact")))
#;(form ((class "d-flex"))
(input ((class "form-control me-2") [type "search"]
[placeholder "Search"]
[aria-label "Search"]))
(button ((class "btn btn-outline-success") [type "submit"]) "Search"))))))
;; Page helpers
(define (round n number)
(~r number #:precision `(= ,n)))
;; Pages
(define (ferti-page fertilizer-recipe latest-measurement-hash latest-target-hash measurements)
(page-template
"Ferti"
`((h1 ((class "display-1 mb-3")) "Ferti")
,@(ferti-recipe fertilizer-recipe)
,@(ferti-targets latest-measurement-hash latest-target-hash)
,@(ferti-measurements measurements))))
(define (ferti-recipe ferti-recipe)
`((h2 () "Recette")
,(if (ormap (λ (pair) (not (zero? (cdr pair)))) ferti-recipe)
`(table ((class "table"))
(tr (th "Intrant") (th ((class "text-end")) "Quantité (g/L)"))
,@(for/list ([fertilizer-amount ferti-recipe]
#:when (not (zero? (cdr fertilizer-amount))))
(match-define (cons fertilizer amount) fertilizer-amount)
`(tr (td () ,(fertilizer-name fertilizer))
(td ((class "text-end font-monospace")) ,(round 2 amount)))))
`(p "La recette Ferti requiert au moins un relevé et une cible."))))
(define (ferti-targets latest-measurement-hash latest-target-hash)
`((h2 () "Dernière Cible")
(a ((class "btn btn-primary mb-3") [href "/target/new"]) "Créer une cible")
(table ((class "table"))
(tr (th "Nutriment")
(th ((class "text-end")) "Dernier Relevé")
(th ((class "text-end")) "Dernière Cible")
(th ((class "text-end")) "Delta (%)"))
,@(for/list ([n (get-nutrients)])
(define latest-measurement (hash-ref latest-measurement-hash n #f))
(define latest-target (hash-ref latest-target-hash n #f))
(define delta-percentage
(cond
[(false? latest-target) #f]
[(zero? latest-target) -100]
[(zero? latest-measurement) 100]
[(number? latest-target)
(* 100 (/ (- latest-target latest-measurement) latest-measurement))]))
`(tr (td ,(nutrient-name n))
(td ((class "text-end font-monospace"))
,(if latest-measurement
(round 2 latest-measurement)
"—"))
(td ((class "text-end font-monospace"))
,(if latest-target
(round 2 latest-target)
"—"))
(td ((class "text-end font-monospace"))
,(if delta-percentage
(round 1 delta-percentage)
"—")))))))
(define (ferti-measurements measurements)
`((h2 () "Relevés")
(a ((class "btn btn-primary mb-3") [href "/measurement/new"]) "Ajouter un relevé")
(table ((class "table table-striped"))
(tr (th "Date")
(th ((class "text-end")) "N")
(th ((class "text-end")) "P")
(th ((class "text-end")) "K"))
,@(for/list ([m measurements])
(define measured-on (nutrient-measurement-date m))
(define-values (n p k)
(apply values
(for/list ([nutrient '("Nitrate Nitrogen" "Phosphorus" "Potassium")])
(define n (get-nutrient #:name nutrient))
(define mnv (get-nutrient-measurement-value m n))
(if (real? mnv)
(round 2 mnv)
"—"))))
`(tr (td ,measured-on)
(td ((class "text-end font-monospace")) ,n)
(td ((class "text-end font-monospace")) ,p)
(td ((class "text-end font-monospace")) ,k))))))
(define (new-measurement-page)
(page-template "Nouveau relevé"
`((h1 ((class "display-1 mb-3")) "Nouveau relevé")
(div ((class "mb-3") [style "max-width: 30em"])
(form ([action "/measurement/create"] [method "POST"])
,@(formlet-display (measurements-formlet)))))))
(define (new-target-page)
(page-template "Nouvelle cible"
`((h1 ((class "display-1 mb-3")) "Nouvelle cible")
(div ((class "mb-3") [style "max-width: 30em"])
(form ([action "/target/create"] [method "POST"])
,@(formlet-display (targets-formlet)))))))
(define (index-page user)
(page-template
"Bienvenue à la FAPG"
`((h1 ((class "display-1 mb-3"))
,(format "~a, ~a."
(if (<= (->hours (current-time #:tz "Europe/Paris")) 17) "Bonjour" "Bonsoir")
(if user
(user-name user)
"et bienvenue")))
(a ((class "btn btn-primary mb-3") [href "/ferti"]) "Accéder à Ferti"))))
(define (fallback-page request-code)
(page-template (format "Réponse: ~a" request-code)
`((h1 ((class "display-1 text-danger")) ,(number->string request-code))
(p ,(fallback-message request-code))
(a ([href "/"]) "Revenir à la page d'accueil"))))
(define (fallback-message request-code)
(string-join
`("Bonjour, je suis votre serveur."
,(format "J'ai répondu '~a'" request-code)
"et"
,(case (string-ref (number->string request-code) 0)
[(#\4) "c'est de votre faute, malheureusement."]
[(#\5) "c'est de ma faute, pardonnez-moi."]
[else "je ne sais pas qui est en tort."])
,(case request-code
;; Client errors
[(400) "Votre requête ne fait pas sens."]
[(401) "Vous n'avez pas vérifié votre identité."]
[(403) "Vous n'avez pas le droit de consulter cette page."]
[(404) "Vous avez demandé de consulter une page qui n'existe pas."]
;; Server errors
[(500)
"Je suis dans une situation que je ne sais pas gérer, et ne peux vous en dire davantage."]
[(502)
"Un tiers ne m'a pas transmis les informations nécessaires pour répondre à votre requête."]
[(503)
"Je ne peux pas vous aider, il se peut que je sois momentanément surchargé. Revenez plus tard."]
;; Fallback message
[else (format "Je ne sais pas encore interpréter le code ~a." request-code)]))))
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