Merge pull request #8094 from ethereum/learnQuizzes

Learn quizzes

src/@chakra-ui/gatsby-plugin/foundations/colors.ts

@@ -22,10 +22,15 @@ const colors = {
     800: "#451900",
   },
   red: {
+    100: "#F7C8C8",
     500: "#b80000",
+    900: "#1B0C0C",
   },
   green: {
+    100: "#C8F7D8",
+    400: "#48BB78",
     500: "#109e62",
+    900: "#0A160E",
   },
   yellow: {
     200: "#fff8df",

src/@chakra-ui/gatsby-plugin/foundations/shadows.ts

@@ -4,6 +4,7 @@ const shadows = {
   outline: "0 0 0 4px var(--eth-colors-primaryHover)",
   table:
     "0 14px 66px rgba(0,0,0,.07), 0 10px 17px rgba(0,0,0,.03), 0 4px 7px rgba(0,0,0,.05)",
+  drop: "0 4px 17px 0 var(--eth-colors-blackAlpha-200)",
   tableBox: {
     light:
       "0 14px 66px rgba(0,0,0,.07), 0 10px 17px rgba(0,0,0,.03), 0 4px 7px rgba(0,0,0,.05)",

src/@chakra-ui/gatsby-plugin/semanticTokens.ts

@@ -34,12 +34,17 @@ const semanticTokens = {
     primaryLight: { _light: "blue.100", _dark: "orange.100" },
     primaryDark: { _light: "blue.700", _dark: "orange.800" },
     primaryHover: { _light: "blue.300", _dark: "orange.300" },
+    primaryPressed: { _light: "blue.300", _dark: "orange.800" },
     body: { _light: "gray.700", _dark: "gray.100" },
+    bodyInverted: { _light: "gray.100", _dark: "gray.700" },
     bodyLight: { _light: "gray.500", _dark: "gray.100" },
     disabled: { _light: "gray.400", _dark: "gray.500" },
     background: { _light: "white", _dark: "gray.700" },
-    success: "green.500",
+    neutral: { _light: "white", _dark: "gray.900" },
+    success: { _light: "green.500", _dark: "green.400" },
+    successNeutral: { _light: "green.100", _dark: "green.900" },
     error: "red.500",
+    errorNeutral: { _light: "red.100", _dark: "red.900" },
     attention: "yellow.200",
   },
 }

src/components/CopyToClipboard.tsx

@@ -1,6 +1,6 @@
 import React, { useState, useEffect, useRef } from "react"
 import ClipboardJS from "clipboard"
-import { Box } from '@chakra-ui/react'
+import { Box } from "@chakra-ui/react"
 
 export interface IProps {
   text: string

src/components/EventCard.tsx

@@ -88,12 +88,7 @@ const EventCard: React.FC<IProps> = ({
         </Text>
         <Emoji text=":round_pushpin:" fontSize="md" marginLeft={2} />
       </Text>
-      <Heading
-        as="h3"
-        marginTop={0}
-        fontWeight="semibold"
-        lineHeight={1.4}
-      >
+      <Heading as="h3" marginTop={0} fontWeight="semibold" lineHeight={1.4}>
         {title}
       </Heading>
       <Text opacity={0.8}>{description}</Text>

src/components/Quiz/QuizRadioGroup.tsx

@@ -0,0 +1,153 @@
+// Import libraries
+import React, { useMemo } from "react"
+import {
+  Box,
+  chakra,
+  Circle,
+  Flex,
+  RadioProps,
+  Text,
+  useRadio,
+  useRadioGroup,
+} from "@chakra-ui/react"
+
+// Import types
+import { Question } from "../../types"
+
+// Interfaces
+export interface CustomRadioProps extends RadioProps {
+  index: number
+  label: string
+}
+export interface IProps {
+  questionData: Question
+  showAnswer: boolean
+  handleSelection: (answerId: string) => void
+  selectedAnswer: string | null
+}
+
+// Component
+const QuizRadioGroup: React.FC<IProps> = ({
+  questionData,
+  showAnswer,
+  handleSelection,
+  selectedAnswer,
+}) => {
+  const { getRadioProps, getRootProps } = useRadioGroup({
+    onChange: handleSelection,
+  })
+  const { prompt, answers, correctAnswerId } = questionData
+
+  // Memoized values
+  const explanation = useMemo<string>(() => {
+    if (!selectedAnswer) return ""
+    return answers.filter(({ id }) => id === selectedAnswer)[0].explanation
+  }, [selectedAnswer])
+
+  const isSelectedCorrect = useMemo<boolean>(
+    () => correctAnswerId === selectedAnswer,
+    [selectedAnswer]
+  )
+
+  // Custom radio button component
+  const CustomRadio: React.FC<CustomRadioProps> = ({
+    index,
+    label,
+    ...radioProps
+  }) => {
+    const { state, getInputProps, getCheckboxProps, htmlProps } =
+      useRadio(radioProps)
+
+    // Memoized values
+    const buttonBg = useMemo<string>(() => {
+      if (!state.isChecked) return "bodyInverted"
+      if (!showAnswer) return "primary"
+      if (!isSelectedCorrect) return "error"
+      return "success"
+    }, [state.isChecked, showAnswer, isSelectedCorrect])
+
+    // Render CustomRadio component
+    return (
+      <chakra.label {...htmlProps} cursor="pointer" data-group w="100%">
+        <input {...getInputProps({})} hidden />
+        <Flex
+          {...getCheckboxProps()}
+          w="100%"
+          p={2}
+          alignItems="center"
+          bg={buttonBg}
+          color={state.isChecked ? "white" : "text"}
+          borderRadius="base"
+          _hover={{
+            boxShadow: showAnswer ? "none" : "primary",
+            outline: showAnswer
+              ? "none"
+              : "1px solid var(--eth-colors-primary)",
+            cursor: showAnswer ? "default" : "pointer",
+          }}
+        >
+          <Circle
+            size="25px"
+            bg={
+              showAnswer
+                ? "white"
+                : state.isChecked
+                ? "primaryPressed"
+                : "disabled"
+            }
+            _groupHover={{
+              bg: showAnswer ? "white" : "primaryPressed",
+            }}
+            me={2}
+          >
+            <Text
+              m="0"
+              fontWeight="700"
+              fontSize="lg"
+              color={
+                !showAnswer ? "white" : isSelectedCorrect ? "success" : "error"
+              }
+            >
+              {String.fromCharCode(97 + index).toUpperCase()}
+            </Text>
+          </Circle>
+          {label}
+        </Flex>
+      </chakra.label>
+    )
+  }
+
+  // Render QuizRadioGroup
+  return (
+    <Flex {...getRootProps()} direction="column" w="100%">
+      <Text fontWeight="700" fontSize="2xl" mb={6}>
+        {prompt}
+      </Text>
+      <Flex direction="column" gap={4}>
+        {answers.map(({ id, label }, index) => {
+          const display =
+            !showAnswer || id === selectedAnswer ? "inline-flex" : "none"
+          return (
+            <CustomRadio
+              key={id}
+              display={display}
+              index={index}
+              label={label}
+              {...getRadioProps({ value: id })}
+            />
+          )
+        })}
+      </Flex>
+      {showAnswer && (
+        <Box mt={5}>
+          <Text fontWeight="bold" mt={0} mb={2}>
+            Explanation
+          </Text>
+          <Text m={0}>{explanation}</Text>
+        </Box>
+      )}
+    </Flex>
+  )
+}
+
+export default QuizRadioGroup

src/components/Quiz/QuizSummary.tsx

@@ -0,0 +1,75 @@
+// Import libraries
+import React, { useMemo } from "react"
+import { Box, Flex, Text, useMediaQuery } from "@chakra-ui/react"
+import { useIntl } from "react-intl"
+
+// Import utilities
+import { numberToPercent } from "../../utils/numberToPercent"
+
+// Interfaces
+export interface IProps {
+  correctCount: number
+  isPassingScore: boolean
+  questionCount: number
+  ratioCorrect: number
+}
+
+// Component
+const QuizSummary: React.FC<IProps> = ({
+  correctCount,
+  isPassingScore,
+  questionCount,
+  ratioCorrect,
+}) => {
+  const { locale } = useIntl()
+  const [largerThanMobile] = useMediaQuery("(min-width: 30em)")
+
+  const valueStyles = { fontWeight: "700", mb: 2 }
+  const labelStyles = { fontSize: "sm", m: 0, color: "disabled" }
+
+  // Render QuizSummary component
+  return (
+    <Box w="full" fontSize={["xl", "2xl"]}>
+      <Text fontWeight="700" textAlign="center">
+        {isPassingScore ? "You passed the quiz!" : "Your results"}
+      </Text>
+      <Flex
+        p={4}
+        justify="center"
+        boxShadow="drop"
+        bg="background"
+        mx="auto"
+        w="fit-content"
+        sx={{
+          "div:not(:last-of-type)": {
+            borderEnd: "1px",
+            borderColor: "disabled",
+          },
+          div: {
+            p: 4,
+            flexDirection: "column",
+            alignItems: "center",
+          },
+        }}
+        overflowX="hidden"
+      >
+        <Flex>
+          <Text {...valueStyles}>{numberToPercent(ratioCorrect, locale)}</Text>
+          <Text {...labelStyles}>Score</Text>
+        </Flex>
+        <Flex>
+          <Text {...valueStyles}>+{correctCount}</Text>
+          <Text {...labelStyles}>Correct</Text>
+        </Flex>
+        {largerThanMobile && (
+          <Flex>
+            <Text {...valueStyles}>{questionCount}</Text>
+            <Text {...labelStyles}>Total</Text>
+          </Flex>
+        )}
+      </Flex>
+    </Box>
+  )
+}
+
+export default QuizSummary