add pdf generation

app/javascript/application.js

@@ -5,12 +5,14 @@ import { createApp, reactive } from 'vue'
 import ToggleVisible from './elements/toggle_visible'
 import DisableHidden from './elements/disable_hidden'
 import TurboModal from './elements/turbo_modal'
+import FileDropzone from './elements/file_dropzone'
 
 import FlowBuilder from './flow_builder/builder'
 
 window.customElements.define('toggle-visible', ToggleVisible)
 window.customElements.define('disable-hidden', DisableHidden)
 window.customElements.define('turbo-modal', TurboModal)
+window.customElements.define('file-dropzone', FileDropzone)
 
 window.customElements.define('flow-builder', class extends HTMLElement {
   connectedCallback () {

app/javascript/elements/file_dropzone.js

@@ -0,0 +1,82 @@
+import { DirectUpload } from '@rails/activestorage'
+
+import { actionable } from '@github/catalyst/lib/actionable'
+import { target, targetable } from '@github/catalyst/lib/targetable'
+
+export default actionable(targetable(class extends HTMLElement {
+  static [target.static] = [
+    'loading',
+    'input',
+    'valueField'
+  ]
+
+  connectedCallback () {
+    this.addEventListener('drop', this.onDrop)
+
+    this.addEventListener('dragover', (e) => e.preventDefault())
+  }
+
+  onDrop (e) {
+    e.preventDefault()
+
+    this.uploadFiles(e.dataTransfer.files)
+  }
+
+  onSelectFiles (e) {
+    e.preventDefault()
+
+    this.uploadFiles(this.input.files).then(() => {
+      this.input.value = ''
+    })
+  }
+
+  async uploadFiles (files) {
+    console.log( files )
+    const blobs = await Promise.all(
+      Array.from(files).map(async (file) => {
+        const upload = new DirectUpload(
+          file,
+          '/direct_uploads',
+          this.input
+        )
+
+        return new Promise((resolve, reject) => {
+          upload.create((error, blob) => {
+            if (error) {
+              console.error(error)
+
+              return reject(error)
+            } else {
+              return resolve(blob)
+            }
+          })
+        }).catch((error) => {
+          console.error(error)
+        })
+      })
+    )
+
+    await Promise.all(
+      blobs.map((blob) => {
+        return fetch('/api/attachments', {
+          method: 'POST',
+          body: JSON.stringify({
+            name: this.dataset.name,
+            blob_signed_id: blob.signed_id,
+            submission_slug: this.dataset.submissionSlug
+          }),
+          headers: { 'Content-Type': 'application/json' }
+        }).then(resp => resp.json()).then((data) => {
+          return data
+        })
+      })).then((result) => {
+      result.forEach((attachment) => {
+        if (this.valueField) {
+          this.valueField.value = attachment.uuid
+        }
+
+        this.dispatchEvent(new CustomEvent('upload', { detail: attachment }))
+      })
+    })
+  }
+}))

app/javascript/flow_builder/page.vue

@@ -91,7 +91,7 @@ export default {
     onDrop (e) {
       this.$emit('drop-field', {
         x: e.layerX / this.$refs.mask.clientWidth,
-        y: e.layerY / this.$refs.mask.clientHeight,
+        y: e.layerY / this.$refs.mask.clientHeight - (this.$refs.mask.clientWidth / 30 / this.$refs.mask.clientWidth) / 2,
         w: this.$refs.mask.clientWidth / 5 / this.$refs.mask.clientWidth,
         h: this.$refs.mask.clientWidth / 30 / this.$refs.mask.clientWidth,
         page: this.number

app/javascript/flow_form/area.vue

@@ -1,14 +1,16 @@
 <template>
   <div
-    class="flex cursor-pointer bg-red-100 absolute"
+    class="flex cursor-pointer bg-red-100 bg-opacity-60 absolute"
     :style="computedStyle"
   >
     <img
       v-if="field.type === 'image' && image"
+      class="object-contain"
       :src="image.url"
     >
     <img
       v-else-if="field.type === 'signature' && signature"
+      class="object-contain"
       :src="signature.url"
     >
     <div v-else-if="field.type === 'attachment'">

app/javascript/flow_form/signature_step.vue

@@ -83,7 +83,7 @@ export default {
               body: JSON.stringify({
                 submission_slug: this.submissionSlug,
                 blob_signed_id: data.signed_id,
-                name: 'signatures'
+                name: 'attachments'
               }),
               headers: { 'Content-Type': 'application/json' }
             }).then((resp) => resp.json()).then((attachment) => {