output table

Author: pathikrit

framework/src/main/scala/framework/Page.scala

@@ -1,12 +1,8 @@
 package framework
 
-//import io.udash.wrappers.jquery._
-
 import scalajs.js.annotation.JSExport
 import scalatags.Text.all._
-//import scalatags.Text.TypedTag
 import scalacss.DevDefaults._
-//import scalacss.ScalatagsCss._
 
 abstract class Page(name: String) {
   implicit val ec = scala.concurrent.ExecutionContext.global
@@ -27,7 +23,6 @@ abstract class Page(name: String) {
 
   def cssLibs: List[Tag] = List(
     JsLibs.bootstrap.css,
-    // styles.map(_.render[TypedTag[String]]),
   )
 
   def jsLibs: List[Tag] = List(
@@ -46,6 +41,7 @@ abstract class Page(name: String) {
     meta(charset := "utf-8"),
     meta(attr("name") := "viewport", content := kv("width" -> "device-width", "initial-scale" -> "1")), // required by Bootstrap
     cssLibs,
+    //css(styles.map(_.render))
   )
 
   def renderBody: Tag

framework/src/main/scala/framework/RPC.scala

@@ -7,7 +7,7 @@ import upickle.default._
 import scala.concurrent.{ExecutionContext, Future}
 import scala.util.{Failure, Success, Try}
 
-class RPC[I: ReadWriter, O: ReadWriter](path: String) { self =>
+class RPC[I: ReadWriter, O: ReadWriter](path: String) {
   val fragments = path.stripPrefix("/").stripSuffix("/").split("/").toSeq
 
   def inputValidator: Validation[I] = Validation.empty
@@ -45,11 +45,13 @@ class RPC[I: ReadWriter, O: ReadWriter](path: String) { self =>
 }
 
 object RPC {
-  type RequestHandler = PartialFunction[cask.Request, cask.Response[ujson.Value]]
+  import cask.{Request, Response}
+
+  type RequestHandler = PartialFunction[Request, Response[ujson.Value]]
 
   def error(statusCode: StatusCode, errors: List[String] = Nil) =
     cask.Response(data = ujson.Obj("errors" -> errors), statusCode = statusCode.code)
 
-  def wire(handlers: RequestHandler*): cask.Request => cask.Response[ujson.Value] =
+  def wire(handlers: RequestHandler*): Request => Response[ujson.Value] =
     handlers.reduce(_ orElse _).orElse(_ => error(StatusCode.NotFound))
 }

server/src/main/scala/services/MortgageApiImpl.scala

@@ -16,6 +16,7 @@ object MortgageApiImpl {
   }
 
   def refinancePenalty(mortgage: Mortgage, newApr: Double): Double = {
+    println(s"refinance($mortgage, newApr=$newApr)")
     def totalInterest(m: Mortgage) = payments(m).map(_.interest).sum
     totalInterest(mortgage) - totalInterest(mortgage.copy(apr = newApr))
   }

shared/src/main/scala/api/Mortgage.scala

@@ -6,8 +6,6 @@ import upickle.default._
 case class Mortgage(amount: Double, apr: Double, years: Int)
 object Mortgage {
   implicit val rw: ReadWriter[Mortgage] = macroRW
-  // TODO: Validator here
-
   object API {
     val payments         = new RPC[Mortgage, Seq[Payment]]("/mortgage/payments")
     val refinancePenalty = new RPC[(Mortgage, Double), Double]("/mortgage/refinance")

web/src/main/scala/views/MortgageCalculator.scala

@@ -1,15 +1,13 @@
 package views
 
-import scalatags.Text.all._
-
 import scala.annotation.nowarn
 import scalajs.js.annotation.JSExportTopLevel
 import org.scalajs.dom.raw._
 import scalatags.Text.{all => t}
+import scalatags.Text.all._
 import io.udash.wrappers.jquery.{jQ => $, _}
 
 import java.text.DecimalFormat
-//TODO: import framework.JsRead._
 
 @JSExportTopLevel("mortgage_calculator")
 object MortgageCalculator extends framework.Page("mortgage_calculator") {
@@ -21,11 +19,11 @@ object MortgageCalculator extends framework.Page("mortgage_calculator") {
         input(label = "APR (%)", id = "apr", default = 5),
         input(label = "Mortgage Period (years)", id = "years", default = 30),
         input(label = "New APR", id = "new_apr", default = 3),
-        button("Calculate", id := "calc_payments", `type` := "button", `class` := "btn btn-primary m-2"),
-        button("Refinance?", id := "refinance", `type` := "button", `class` := "btn btn-secondary m-2"),
+        button("Calculate", id  := "calc_payments", `type` := "button", `class` := "btn btn-primary m-2"),
+        button("Refinance?", id := "refinance", `type`     := "button", `class` := "btn btn-secondary m-2"),
       ),
     ),
-    div(id       := "output", `class` := "container"),
+    div(id := "output", `class` := "container"),
   )
 
   def input(label: String, id: String, default: Int): Tag =
@@ -42,35 +40,33 @@ object MortgageCalculator extends framework.Page("mortgage_calculator") {
   def calc(element: Element, event: JQueryEvent) = {
     val format = new DecimalFormat("$ #.00");
     import api.Mortgage
-    $("#output").html(table(`class` := "table table-striped font-monospace")(tr(
-      th("#"),
-      th("Balance"),
-      th("Payment"),
-      th("Principal"),
-      th("Interest"))
-    ).render)
+    $("#output").html(
+      table(`class` := "table table-striped font-monospace")(
+        tr(th("#"), th("Balance"), th("Payment"), th("Principal"), th("Interest")),
+      ).render,
+    )
     for {
       amount <- $("#loan").value().asInstanceOf[String].toIntOption
       apr    <- $("#apr").value().asInstanceOf[String].toFloatOption
       years  <- $("#years").value().asInstanceOf[String].toIntOption
       mortgage = Mortgage(amount = amount, apr = apr, years = years)
-      payments <- Mortgage.API.payments(mortgage)
+      payments       <- Mortgage.API.payments(mortgage)
       (payment, row) <- payments.zipWithIndex
-    } $("#output tr:last").after(tr(
-      td(row+1),
-      td(format.format(payment.balance)),
-      td(format.format(payment.payment)),
-      td(format.format(payment.principal)),
-      td(format.format(payment.interest)),
-    ).render)
+    } $("#output tr:last").after(
+      tr(
+        td(row + 1),
+        td(format.format(payment.balance)),
+        td(format.format(payment.payment)),
+        td(format.format(payment.principal)),
+        td(format.format(payment.interest)),
+      ).render,
+    )
   }
 }
 
+//TODO: import framework.JsRead._
 
 /*
- * Mon, Aug 28: FE (ScalaJs Tour) + FE Dependency management
- * Tue, Aug 29: RPC
- * Wed, Aug 30: BE: Server
- * Thu, Sep  1: BE: Shared
- * Fri, Sep  2: ScalaCSS + Tooling
+ * Thu, Sep  1: Misc: ScalaCSS, JsRead
+ * Fri, Sep  2: Tooling (sbt dev)
  */