Create wizard-field-upload.js.es6

assets/javascripts/wizard/components/wizard-field-upload.js.es6

@@ -0,0 +1,58 @@
+import getUrl from "discourse-common/lib/get-url";
+import computed from "ember-addons/ember-computed-decorators";
+import { getToken } from "wizard/lib/ajax";
+import { getOwner } from "discourse-common/lib/get-owner";
+
+export default Ember.Component.extend({
+  classNames: ["wizard-image-row"],
+  uploading: false,
+
+  @computed("field.id")
+  previewComponent(id) {
+    const componentName = `image-preview-${Ember.String.dasherize(id)}`;
+    const exists = getOwner(this).lookup(`component:${componentName}`);
+    return exists ? componentName : "wizard-image-preview";
+  },
+
+  didInsertElement() {
+    this._super();
+
+    const $upload = this.$();
+
+    const id = this.get("field.id");
+
+    $upload.fileupload({
+      url: getUrl("/uploads.json"),
+      formData: {
+        synchronous: true,
+        type: `wizard_${id}`,
+        authenticity_token: getToken()
+      },
+      dataType: "json",
+      dropZone: $upload
+    });
+
+    $upload.on("fileuploadsubmit", () => this.set("uploading", true));
+
+    $upload.on("fileuploaddone", (e, response) => {
+      this.set("field.value", response.result.url);
+      this.set("uploading", false);
+    });
+
+    $upload.on("fileuploadfail", (e, response) => {
+      let message = I18n.t("wizard.upload_error");
+      if (response.jqXHR.responseJSON && response.jqXHR.responseJSON.errors) {
+        message = response.jqXHR.responseJSON.errors.join("\n");
+      }
+
+      window.swal({
+        customClass: "wizard-warning",
+        title: "",
+        text: message,
+        type: "warning",
+        confirmButtonColor: "#6699ff"
+      });
+      this.set("uploading", false);
+    });
+  }
+});