ex2.5 modulize helper components

1 files changed, 57 insertions, 0 deletions

diff --git a/part2/courseinfo2/src/components/Course.js b/part2/courseinfo2/src/components/Course.js
new file mode 100644
index 0000000..e7c86e0
--- /dev/null
+++ b/part2/courseinfo2/src/components/Course.js
@@ -0,0 +1,57 @@
+const Header = (props) => {
+  const header = props.name
+  return (
+    <h1>{header}</h1>
+  )
+}
+
+const Part = (props) => {
+  const name = props.name
+  const exercises = props.exercises
+
+  return (
+    <p>{name} {exercises}</p>
+  )
+}
+
+const Content = (props) => {
+  //const object_1 = props.parts.parts[0]
+  //const object_2 = props.parts.parts[1]
+  //const object_3 = props.parts.parts[2]
+  const parts = props.parts
+
+  return (
+    <>
+      {parts.map((part) => {
+        return (
+          <Part name={part.name} exercises={part.exercises} />
+      )})
+      }
+    </>
+  )
+}
+
+const Total = (props) => {
+  const parts = props.parts
+  const initialValue = 0
+
+  return (<p> Number of exercises {parts.reduce((sum, part) => {
+     return sum += part.exercises
+
+  }, initialValue)} </p>
+  )
+}
+
+const Course = (props) => {
+  const header = props.course.name
+  const parts = props.course.parts
+  return (
+    <>
+    <Header name={header} />
+    <Content parts={parts} />
+    <Total parts={parts} />
+    </>
+  )
+}
+
+export default Course