Add label import page

frontend/pages/projects/_id/labels/import.vue

@@ -0,0 +1,70 @@
+<template>
+  <form-import
+    :error-message="errorMessage"
+    @clear="clearErrorMessage"
+    @upload="upload"
+  />
+</template>
+
+<script lang="ts">
+import Vue from 'vue'
+import { ProjectDTO } from '~/services/application/project/projectData'
+import FormImport from '~/components/label/FormImport.vue'
+
+export default Vue.extend({
+  components: {
+    FormImport,
+  },
+
+  layout: 'project',
+
+  validate({ params, query, app }) {
+    if (!['category', 'span'].includes((query.type as string))) {
+      return false
+    }
+    if (/^\d+$/.test(params.id)) {
+      return app.$services.project.findById(params.id)
+      .then((res:ProjectDTO) => {
+        return res.canDefineLabel
+      })
+    }
+    return false
+  },
+
+  data() {
+    return {
+      errorMessage: '',
+    }
+  },
+
+  computed: {
+    projectId(): string {
+      return this.$route.params.id
+    },
+
+    service(): any {
+      const type = this.$route.query.type
+      if (type === 'category') {
+        return this.$services.categoryType
+      } else {
+        return this.$services.spanType
+      }
+    },
+  },
+
+  methods: {
+    async upload(file: File) {
+      try {
+        await this.service.upload(this.projectId, file)
+        this.$router.push(`/projects/${this.projectId}/labels`)
+      } catch(e) {
+        this.errorMessage = e.message
+      }
+    },
+
+    clearErrorMessage() {
+      this.errorMessage = ''
+    }
+  },
+})
+</script>