javascript Create.vue - 脚本部分

Posted 2021-05-03

<script>
import rules from '@/utils/rules'
export default {
  created () {
    this.rules = rules
  },
  data: () => {
    return {
      isLoading: false,
      form: {
        name: 'Madeira',
        shortDesc: 'Lorem Ipsum is simply dummy text of the printing and typesetting industry',
        fullDesc: 'Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industrys standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.',
        link: 'https://www.lipsum.com/',
        tags: ['Developer Tools',
          'Web Apps',
          'Productivity'
        ]
      },
      valid: true,
      mainImg: {
        size: 0,
        name: '',
        type: '',
        base64: ''
      },
      tagList: [
        'Developer Tools',
        'Web Apps',
        'Productivity',
        'IoT',
        'Marketing',
        'Hacking',
        'Books'
      ]
    }
  },
  methods: {
    changeFile (ev) {
      console.log(ev)
      if (ev.target.files.length > 0) {
        const file = ev.target.files[ 0 ]
        this.form.imgName = file.name
        const reader = new FileReader()
        reader.addEventListener('load', () => {
          this.mainImg.name = file.name
          this.mainImg.size = file.size
          this.mainImg.type = file.type
          this.mainImg.base64 = reader.result
        }, false)
        reader.readAsDataURL(file)
      } else {
        this.clearImage()
      }
    },
    clearImage () {
      this.$refs.inputFile.value = ''
      this.mainImg.size = 0
      this.mainImg.name = ''
      this.mainImg.type = ''
      this.mainImg.base64 = ''
    },
    async submitForm () {
      this.isLoading = true
      const res = await this.$store.dispatch('createDocRef')
      const docId = res.id
      const promises = []
      const resourceData = {
        id: docId,
        ...this.form,
        createdAt: new Date(),
        media: {
          mainImg: ''
        },
        favsCount: 0,
        likesCount: 0
      }
      // promise 0
      promises.push(this.$store.dispatch('createResource', resourceData))
      if (this.$refs.inputFile.files && this.$refs.inputFile.files[0]) {
        const imgData = {
          id: docId,
          file: this.$refs.inputFile.files[0]
        }
        // promise 1
        promises.push(this.$store.dispatch('uploadResourceImg', imgData))
      }
      try {
        await promises[0]
        const snapshot = await promises[1]
        // Comment this code if you have cloud function backend
        const downloadURL = await snapshot.ref.getDownloadURL()
        await this.$store.dispatch('createResource', {
          id: docId,
          media: {
            mainImg: downloadURL
          }
        })
        // **************
        this.$router.push({ name: 'home' })
      } catch (error) {
        console.log({ error })
      }
    },
    validateForm () {
      if (this.$refs.form.validate()) {
        this.submitForm()
      }
    }
  }
}
</script>