feat: FileUploader + Base64

Signed-off-by: Corentin Thomasset <corentin.thomasset74@gmail.com>

src/components/FileUploader.vue

@@ -1,7 +1,7 @@
 <template>
     <div
             class="drop-area pa-4 text-center"
-            :class="{'drag-over':dragging }"
+            :class="{'drag-over':dragging, 'pb-0':!loading}"
             @dragover.prevent
             @drop.prevent="imageDropped"
             @dragenter="dragEnter()"
@@ -9,47 +9,112 @@
             @dragleave="dragLeave()"
             @dragexit="dragExit()"
     >
-        <p>Drag & drop a file here</p>
-        <p class="or">or</p>
-        <v-btn depressed>select a file</v-btn>
-        <p class="or">or</p>
-        <v-text-field outlined dense label="Paste an url to the file" hide-details></v-text-field>
+        <div v-if="loading">
+            <v-progress-circular
+                    indeterminate
+                    color="primary"
+
+            />
+        </div>
+        <div v-else>
+            <p>Drag & drop a file here</p>
+            <p class="or">or</p>
+            <v-btn depressed @click="manualUploadClicked">select a file</v-btn>
+            <input ref="uploadInput" type="file" hidden @change="(e) => handleFiles(e.target.files[0])">
+
+            <div v-if="allowUrl">
+                <p class="or">or</p>
+                <v-text-field
+                        ref="urlInput"
+                        @click:append="urlFilled(url)"
+                        @keypress.enter="urlFilled(url)"
+                        v-model="url"
+                        append-icon="fa-arrow-right"
+                        dense
+                        label="Paste the file url"
+                        outlined
+                        :error-messages="urlErrors"
+                />
+            </div>
+        </div>
     </div>
 </template>
 
 <script>
+    import * as axios from "axios";
+
     export default {
         name: "FileUploader",
-        props: ['value'],
+        props: {
+            allowUrl: {
+                type: Boolean,
+                default: true
+            }
+        },
         data() {
             return {
                 dragging: false,
-                dragEnterCounter: 0
+                urlErrors: undefined,
+                dragEnterCounter: 0,
+                url: '',
+                loading: false
             }
         },
         methods: {
             imageDropped(e) {
                 this.dragging = false;
-                const droppedFiles = [...e.dataTransfer.files];
 
-                if (!droppedFiles || droppedFiles.length === 0) return;
+                if (e.dataTransfer.items.length > 0) {
+                    const item = e.dataTransfer.items[0];
+
+                    switch (item.kind) {
+                        case 'string':
+                            item.getAsString(url => this.urlFilled(url));
+                            break;
+                        case 'file':
+                            this.handleFiles(item.getAsFile());
+                            break;
+                    }
+                }
 
-                this.$emit('input', droppedFiles[0])
             },
             dragEnter() {
                 this.dragEnterCounter++;
                 this.dragging = true;
             },
             dragLeave() {
-                if(--this.dragEnterCounter <= 0){
+                if (--this.dragEnterCounter <= 0) {
                     this.dragging = false;
                 }
             },
+            async urlFilled(url) {
+                if (url && url.length > 0) {
+                    this.loading = true;
+                    try {
+                        const {data, headers} = await axios.get(url);
+                        const name = url.split('/').pop();
+                        const file = new File([data], name, {type: headers['content-type']})
+
+                        this.handleFiles(file);
+                    } catch (ignored) {
+                        this.urlErrors = 'Incorrect url'
+                    }
+                    this.loading = false;
+                }
+            },
             dragEnd() {
                 this.dragging = false;
             },
             dragExit() {
                 this.dragging = false;
+            },
+            handleFiles(file) {
+                if (!file) return;
+
+                this.$emit('input', file)
+            },
+            manualUploadClicked() {
+                this.$refs.uploadInput.click()
             }
         }
     }
@@ -73,5 +138,11 @@
             border-color: #4CAF50;
 
         }
+
+        .v-input__icon {
+            button {
+                margin-top: 0 !important;
+            }
+        }
     }
 </style>