changeLessonを分割代入で対応

resolve: #139 (comment)

Author: NEKOYASAN

src/components/EditingScreen.vue

@@ -219,39 +219,26 @@ export default Vue.extend({
     },
     saveLessonData() {
       if (this.lessonId === '') {
-        this.addLesson()
+        this.registerLesson()
       } else {
-        this.setLesson()
+        this.changeLesson()
       }
     },
-    setLesson() {
-      const lessonOnlyAddData: classData.Lesson = this.buildLessonData()
-      const lessonData: classData.LessonWithId = {
-        startTime: lessonOnlyAddData.startTime,
-        endTime: lessonOnlyAddData.endTime,
-        title: lessonOnlyAddData.title,
-        subject: lessonOnlyAddData.subject,
-        goal: lessonOnlyAddData.goal,
-        description: lessonOnlyAddData.description,
-        videos: lessonOnlyAddData.videos,
-        pages: lessonOnlyAddData.pages,
-        materials: lessonOnlyAddData.materials,
-        isHidden: lessonOnlyAddData.isHidden,
-        docId: this.lessonId
-      }
+    changeLesson() {
+      const lessonData: classData.Lesson = this.buildLessonData()
       vxm.classData
-        .editLessonData(lessonData)
+        .changeLesson({ editData: lessonData, id: this.lessonId })
         .then(() => {
           this.$emit('collapse')
         })
         .catch(() => {
           this.error = true
         })
     },
-    addLesson() {
+    registerLesson() {
       const lessonData: classData.Lesson = this.buildLessonData()
       vxm.classData
-        .addLesson(lessonData)
+        .registerLesson(lessonData)
         .then(() => {
           this.$emit('collapse')
         })

src/store/modules/classData.ts

@@ -103,7 +103,7 @@ export class ClassDataStore extends VuexModule implements classData.ClassData {
   }
 
   @action
-  public async addLesson(lessonData: classData.Lesson) {
+  public async registerLesson(lessonData: classData.Lesson) {
     const classIdStr = 'あけしめたす'
     await firebase
       .firestore()
@@ -118,16 +118,20 @@ export class ClassDataStore extends VuexModule implements classData.ClassData {
   }
 
   @action
-  public async editLessonData(editData: classData.LessonWithId) {
+  public async changeLesson({
+    editData,
+    id
+  }: {
+    editData: classData.Lesson
+    id: classData.LessonId
+  }) {
     const classIdStr = 'あけしめたす'
-    const docId = editData.docId
-    delete editData.docId
     await firebase
       .firestore()
       .collection('classData')
       .doc(classIdStr)
       .collection('Lessons')
-      .doc(docId)
+      .doc(id)
       .set(editData)
       .catch(() => {
         return Promise.reject(new Error('エラーによって処理に失敗しました'))