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@ -18,8 +18,7 @@
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(spec/def ::widget
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(spec/def ::widget
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#{:input :select :checkbox :textarea :mselect :hidden})
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#{:input :select :checkbox :textarea :mselect :hidden})
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(spec/def ::from-req
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(spec/def ::from-req
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(spec/and ifn? ;;#(= 1 (->> % meta :arglists (map count) first))
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(spec/and ifn? #_(= 1 (->> % meta :arglists (map count) first))))
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))
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(spec/def ::to-form ::from-req)
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(spec/def ::to-form ::from-req)
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(spec/def ::field
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(spec/def ::field
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(spec/keys :opt-un [::label
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(spec/keys :opt-un [::label
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@ -31,12 +30,19 @@
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::spec]))
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::spec]))
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(spec/def ::fields
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(spec/def ::fields
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(spec/map-of keyword? ::field))
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(spec/map-of keyword? ::field))
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(spec/def ::form-specs
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(spec/coll-of ::spec))
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(spec/def ::form
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(spec/def ::form
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(spec/keys :req-un [::fields]))
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(spec/keys :req-un [::fields]
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:opt-un [::form-specs]))
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(defn spec-to-errmsg [label spec-key field-value]
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(defn err-msg [content]
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[:section.flash--error
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[:section.flash--error
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[:h2.flash__heading--error "Warning"]
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[:h2.flash__heading--error "Warning"]
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content])
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(defn spec-to-errmsg [label spec-key field-value]
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(err-msg
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(map
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(map
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(fn [prob]
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(fn [prob]
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[:p
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[:p
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@ -45,7 +51,7 @@
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" must comply to "
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" must comply to "
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[:span.flash__pred (:pred prob)]])
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[:span.flash__pred (:pred prob)]])
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(:clojure.spec.alpha/problems
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(:clojure.spec.alpha/problems
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(spec/explain-data spec-key field-value)))])
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(spec/explain-data spec-key field-value)))))
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(defn field-valid?[value spec-key req]
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(defn field-valid?[value spec-key req]
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(or (empty? (:form-params req))
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(or (empty? (:form-params req))
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@ -108,9 +114,10 @@
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:mselect multiselect-widget
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:mselect multiselect-widget
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:hidden hidden-widget})
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:hidden hidden-widget})
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(defn widget-markup
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(defn widget-markup [values req validate? [id def]]
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[id def value req-value validate?]
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(let [{:keys [label spec widget options to-form]} def
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(let [{:keys [label spec widget options]} def
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value ((or to-form identity) (id values))
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req-value (get-in req [:params id])
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widget (cond (some? widget) widget
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widget (cond (some? widget) widget
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(some? options) :select
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(some? options) :select
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:else :input)
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:else :input)
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@ -122,28 +129,35 @@
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(hform/label id label))
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(hform/label id label))
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(renderer id def (if validate? req-value value)))))
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(renderer id def (if validate? req-value value)))))
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(defn form-hash [def values]
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(defn form-level-errors [form-def req]
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(str (hash [def values])))
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(for [prob (mapcat #(:clojure.spec.alpha/problems
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(spec/explain-data % req))
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(:form-specs form-def))]
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(err-msg [:p "The form must comply to "
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(:pred prob)])))
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(defn form-hash [form-def values]
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(str (hash [form-def values])))
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(defn validate? [form-def values req]
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(= (form-hash form-def values)
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(get-in req [:params :__form-hash])))
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(defn render-widgets [form-def values req]
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(defn render-widgets [form-def values req]
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(when-not (spec/valid? ::form form-def)
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(when-not (spec/valid? ::form form-def)
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(throw (ex-info "Form def fails spec" (spec/explain-data ::form form-def))))
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(throw (ex-info "Form def fails spec" (spec/explain-data ::form form-def))))
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(let [form-hash (form-hash form-def values)
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(let [validate? (validate? form-def values req)
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submitted-hash (get-in req [:params :__form-hash])
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form-errors (when validate? (form-level-errors form-def req))
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validate? (= form-hash submitted-hash)]
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all-widgets (conj (map
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(conj (map
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(partial widget-markup
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(fn [[field-id field-def]]
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values req validate?)
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(let [{:keys [options to-form]} field-def
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value (field-id values)
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req-value (get-in req [:params field-id])]
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(widget-markup field-id
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field-def
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(if to-form (to-form value) value)
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req-value
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validate?)))
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(:fields form-def))
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(:fields form-def))
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(hform/hidden-field "__form-hash" form-hash)
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(hform/hidden-field "__form-hash"
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(anti-forgery-field))))
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(form-hash form-def values))
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(anti-forgery-field))]
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(if form-errors
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(concat form-errors all-widgets)
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all-widgets)))
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(defn form-data [form-def req]
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(defn form-data [form-def req]
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(when-not (spec/valid? ::form form-def)
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(when-not (spec/valid? ::form form-def)
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