#lang racket (provide index-page ferti-page new-measurement-page new-target-page new-fertilizer-page fallback-page) (require gregor web-server/formlets "formlets.rkt" "models/user.rkt" "models/nutrient.rkt" "models/nutrient-measurement.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")) (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"))))))) ;; 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-actions ,@(ferti-recipe fertilizer-recipe) ,@(ferti-targets latest-measurement-hash latest-target-hash) ,@(ferti-measurements measurements) ,@(ferti-fertilizers)))) (define ferti-actions `(div ((class "btn-group mb-3")) (a ((class "btn btn-outline-primary") [href "/target/new"]) "Créer une cible") (a ((class "btn btn-outline-primary") [href "/measurement/new"]) "Ajouter un relevé") (a ((class "btn btn-outline-primary") [href "/fertilizer/new"]) "Ajouter un intrant"))) (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") (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") (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)) ;; TODO: use new nutrient-value hash, available ;; immediately in this context. (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 (ferti-fertilizers) `((h2 () "Intrants") (table ((class "table table-striped")) (tr (th () "Nom de référence") (th () "Nom de marque")) ,@(for/list ([fertilizer (get-fertilizer-products)]) `(tr (td ,(fertilizer-name fertilizer)) (td ,(or (fertilizer-brand-name fertilizer) "—"))))))) (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 (new-fertilizer-page) (page-template "Nouvel intrant" `((h1 ((class "display-1 mb-3")) "Nouvel intrant") (div ((class "mb-3") [style "max-width: 30em"]) (form ([action "/fertilizer/create"] [method "POST"]) ,@(formlet-display (fertilizer-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."] [(#\5) "c'est de ma faute."] [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)]))))