Import Action Text

2 files changed, 56 insertions, 0 deletions

diff --git a/actiontext/app/javascript/actiontext/attachment_upload.js b/actiontext/app/javascript/actiontext/attachment_upload.js
new file mode 100644
index 0000000000..a716f1f589
--- /dev/null
+++ b/actiontext/app/javascript/actiontext/attachment_upload.js
@@ -0,0 +1,45 @@
+import { DirectUpload } from "activestorage"
+
+export class AttachmentUpload {
+  constructor(attachment, element) {
+    this.attachment = attachment
+    this.element = element
+    this.directUpload = new DirectUpload(attachment.file, this.directUploadUrl, this)
+  }
+
+  start() {
+    this.directUpload.create(this.directUploadDidComplete.bind(this))
+  }
+
+  directUploadWillStoreFileWithXHR(xhr) {
+    xhr.upload.addEventListener("progress", event => {
+      const progress = event.loaded / event.total * 100
+      this.attachment.setUploadProgress(progress)
+    })
+  }
+
+  directUploadDidComplete(error, attributes) {
+    if (error) {
+      throw new Error(`Direct upload failed: ${error}`)
+    }
+
+    this.attachment.setAttributes({
+      sgid: attributes.attachable_sgid,
+      url: this.createBlobUrl(attributes.signed_id, attributes.filename)
+    })
+  }
+
+  createBlobUrl(signedId, filename) {
+    return this.blobUrlTemplate
+      .replace(":signed_id", signedId)
+      .replace(":filename", encodeURIComponent(filename))
+  }
+
+  get directUploadUrl() {
+    return this.element.dataset.directUploadUrl
+  }
+
+  get blobUrlTemplate() {
+    return this.element.dataset.blobUrlTemplate
+  }
+}
diff --git a/actiontext/app/javascript/actiontext/index.js b/actiontext/app/javascript/actiontext/index.js
new file mode 100644
index 0000000000..c149eda952
--- /dev/null
+++ b/actiontext/app/javascript/actiontext/index.js
@@ -0,0 +1,11 @@
+import * as Trix from "trix"
+import { AttachmentUpload } from "./attachment_upload"
+
+addEventListener("trix-attachment-add", event => {
+  const { attachment, target } = event
+
+  if (attachment.file) {
+    const upload = new AttachmentUpload(attachment, target)
+    upload.start()
+  }
+})