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#lang racket
(provide measurements-formlet
targets-formlet)
(require gregor
web-server/http
web-server/formlets
"models/nutrient.rkt"
"models/crop.rkt"
"models/crop-requirement.rkt")
(define date-formlet
(formlet ,{=>
(to-string (required (input #:type "date"
#:value (date->iso8601 (today))
#:attributes
'((class "form-control") [required "required"]))))
date-b}
date-b))
(define (measurement-formlet nutrient)
(define id (nutrient-id nutrient))
(define number-input
(input #:type "number"
#:attributes `((class "form-control") [id ,(number->string id)]
[step "0.1"]
[placeholder ,(nutrient-name nutrient)])))
(define input-label
`(label ((for ,(number->string id)
))
,(nutrient-name nutrient)))
(formlet (#%# (div ((class "form-floating mb-3")) ,{=> number-input nutrient-value-b} ,input-label))
(let ([nutrient-value (string->number (bytes->string/utf-8
(binding:form-value nutrient-value-b)))])
(and nutrient-value (cons id nutrient-value)))))
(define (measurements-formlet)
(formlet* (#%# `(div ((class "mb-3")) (h5 "Date du relevé") ,{=>* date-formlet measured-on*})
`(div ((class "mb-3"))
(h5 "Valeurs du relevé")
,@(for/list ([nutrient (get-nutrients)])
{=>* (measurement-formlet nutrient) measurements*}))
{=>* (submit "Enregistrer le relevé" #:attributes '((class "btn btn-primary"))) _})
(let ([measured-on (first measured-on*)]
[measurements (filter pair? measurements*)]) ; drop #f’s from empty values
(values measured-on measurements))))
(define (crop-requirement-formlet requirement)
(define id (crop-requirement-id requirement))
(define profile (crop-requirement-profile requirement))
(define maybe-crop (crop-requirement-crop-id requirement))
(define crop
(if maybe-crop
(crop-name (get-crop #:id maybe-crop))
#f))
(define number-input
(input #:type "number"
#:attributes
`((class "form-control") [id ,(number->string id)] [step "1"] [placeholder ,profile])))
(define input-label
`(label ((for ,(number->string id)
))
,(if crop
(format "~a (~a)" crop profile)
(format "~a" profile))))
(formlet
(#%# (div ((class "form-floating mb-3")) ,{=> number-input requirement-proportion-b} ,input-label))
(let ([requirement-proportion
(string->number (bytes->string/utf-8 (binding:form-value requirement-proportion-b)))])
(and requirement-proportion (cons requirement requirement-proportion)))))
(define (targets-formlet)
(formlet* (#%# `(div ((class "mb-3")) (h5 "Date ciblée") ,{=>* date-formlet effective-on*})
`(div ((class "mb-3"))
(h5 "Valeurs cibles")
,@(for/list ([requirement (get-crop-requirements)])
{=>* (crop-requirement-formlet requirement) requirements*}))
{=>* (submit "Enregistrer la cible" #:attributes '((class "btn btn-primary"))) _})
(let ([effective-on (first effective-on*)]
[requirements (filter pair? requirements*)]) ; drop #f’s from empty values
(values effective-on requirements))))
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