Starting to add simple autogenerated forms

src/EAFunds/EAFunds_Form.bs.js

@@ -1,8 +1,46 @@
 'use strict';
 
+var $$Array = require("bs-platform/lib/js/array.js");
+var Curry = require("bs-platform/lib/js/curry.js");
+var React = require("react");
+var Belt_Option = require("bs-platform/lib/js/belt_Option.js");
+var Belt_MapString = require("bs-platform/lib/js/belt_MapString.js");
+var Model$ProbExample = require("../Model.bs.js");
 var EAFunds_Model$ProbExample = require("./EAFunds_Model.bs.js");
 
+function handleChange(handleChange$1, $$event) {
+  return Curry._1(handleChange$1, $$event.target.value);
+}
+
 var model = EAFunds_Model$ProbExample.Interface.model;
 
+var initialMap = Model$ProbExample.toMaps(model);
+
+function EAFunds_Form(Props) {
+  var match = React.useState((function () {
+          return Model$ProbExample.toMaps(model);
+        }));
+  var params = match[0];
+  return $$Array.map((function (parameter) {
+                var __x = Belt_MapString.get(params[/* inputs */1], parameter[/* id */0]);
+                var value = Belt_Option.flatMap(__x, (function (param) {
+                        return param[1];
+                      }));
+                return React.createElement(React.Fragment, undefined, parameter[/* name */1], parameter[/* id */0], React.createElement(Model$ProbExample.Input.Form.make, {
+                                parameter: parameter,
+                                value: value,
+                                onChange: (function (r) {
+                                    console.log(r);
+                                    return /* () */0;
+                                  })
+                              }));
+              }), $$Array.of_list(model[/* inputs */3]));
+}
+
+var make = EAFunds_Form;
+
+exports.handleChange = handleChange;
 exports.model = model;
-/* EAFunds_Model-ProbExample Not a pure module */
+exports.initialMap = initialMap;
+exports.make = make;
+/* initialMap Not a pure module */

src/EAFunds/EAFunds_Form.re

@@ -1 +1,24 @@
 let model = EAFunds_Model.Interface.model;
+
+let handleChange = (handleChange, event) =>
+  handleChange(ReactEvent.Form.target(event)##value);
+
+let model = EAFunds_Model.Interface.model;
+let initialMap = Model.toMaps(model);
+
+[@react.component]
+let make = () => {
+  let (params, changeParams) = React.useState(() => Model.toMaps(model));
+  model.inputs
+  |> Array.of_list
+  |> Array.map((parameter: Model.Input.parameter) => {
+       let value =
+         params.inputs->Model.MS.get(parameter.id)
+         |> Belt.Option.flatMap(_, ((_, b)) => b);
+       <>
+         {parameter.name |> ReasonReact.string}
+         {parameter.id |> ReasonReact.string}
+         <Model.Input.Form parameter value onChange={r => Js.log(r)} />
+       </>;
+     });
+};

src/Model.re

@@ -37,8 +37,15 @@ module Input = {
   type parameterType =
     | Year(IOTypes.withDefaultMinMax(float))
     | SingleChoice(IOTypes.singleChoice)
-    | FloatPoint
-    | FloatCdf;
+    | FloatPoint;
+
+  let toInput = (p: parameterType) =>
+    switch (p) {
+    | Year(r) => r.default->Belt.Option.map(p => InputTypes.Year(p))
+    | SingleChoice(r) =>
+      r.default->Belt.Option.map(p => InputTypes.SingleChoice(p))
+    | FloatPoint => None
+    };
 
   type parameter = {
     id: string,
@@ -57,6 +64,33 @@ module Input = {
     name,
     parameterType,
   };
+
+  module Form = {
+    let handleChange = (handleChange, event) =>
+      handleChange(ReactEvent.Form.target(event)##value);
+    [@react.component]
+    let make =
+        (~parameter: parameter, ~value: option(InputTypes.t), ~onChange) => {
+      switch (parameter.parameterType, value) {
+      | (Year(_), Some(Year(r))) =>
+        <input
+          type_="number"
+          value={r |> Js.Float.toString}
+          onChange={handleChange(r =>
+            switch (Js.Float.fromString(r)) {
+            | r => onChange(_ => Some(InputTypes.Year(r)))
+            }
+          )}
+        />
+      | (FloatPoint, Some(FloatPoint(r))) =>
+        <input type_="number" value={r |> Js.Float.toString} />
+      | (Year(_), _)
+      | (FloatPoint, _) => <input type_="number" value="" />
+      | (SingleChoice(_), _) =>
+        <div> {"Single Choice" |> ReasonReact.string} </div>
+      };
+    };
+  };
 };
 
 module Output = {
@@ -101,6 +135,34 @@ let gatherInputs = (m: model, a: list(InputTypes.withName)) => {
   |> List.flatten;
 };
 
+module MS = Belt.Map.String;
+
+type modelMaps = {
+  assumptions: MS.t((Input.parameter, option(InputTypes.t))),
+  inputs: MS.t((Input.parameter, option(InputTypes.t))),
+  output: (Output.parameter, option(InputTypes.t)),
+};
+
+let toMaps = (m: model): modelMaps => {
+  assumptions:
+    MS.fromArray(
+      m.assumptions
+      |> List.map((r: Input.parameter) =>
+           (r.id, (r, Input.toInput(r.parameterType)))
+         )
+      |> Array.of_list,
+    ),
+  inputs:
+    MS.fromArray(
+      m.inputs
+      |> List.map((r: Input.parameter) =>
+           (r.id, (r, Input.toInput(r.parameterType)))
+         )
+      |> Array.of_list,
+    ),
+  output: (Output.make(~name="Payouts", ~parameterType=FloatCdf, ()), None),
+};
+
 type modelParams = {
   assumptions: list(option(InputTypes.t)),
   inputs: list(option(InputTypes.t)),