process list of paragraphs. fullscreen vs inline

1 files changed, 81 insertions, 0 deletions

diff --git a/animism-align/frontend/app/utils/transcript.utils.js b/animism-align/frontend/app/utils/transcript.utils.js
new file mode 100644
index 0000000..8386227
--- /dev/null
+++ b/animism-align/frontend/app/utils/transcript.utils.js
@@ -0,0 +1,81 @@
+import { store, history, dispatch } from 'app/store'
+import {
+  TEXT_ANNOTATION_TYPES,
+  MEDIA_ANNOTATION_TYPES,
+  UTILITY_ANNOTATION_TYPES,
+} from 'app/constants'
+
+export const buildParagraphs = annotationOrder => {
+  const state = store.getState()
+  const { lookup: annotationLookup } = state.annotation.index
+  const { lookup: paragraphLookup } = state.paragraph.index
+  let currentParagraph = {}
+  let sectionCount = 0
+  const paragraphs = []
+  // loop over the annotations in time order
+  annotationOrder.forEach((annotation_id, i) => {
+    const annotation = annotationLookup[annotation_id]
+    const paragraph = paragraphLookup[annotation.paragraph_id]
+    // if this annotation is a utility (curtain, gallery instructions), then skip it
+    if (UTILITY_ANNOTATION_TYPES.has(annotation.type)) {
+      return
+    }
+    // if this annotation is media, then insert it after the current paragraph
+    if (MEDIA_ANNOTATION_TYPES.has(annotation.type)) {
+      // add option to hide the citation from the transcript
+      if (!annotation.settings.hideCitation) {
+        paragraphs.push({
+          id: ('index_' + i),
+          type: annotation.type,
+          start_ts: annotation.start_ts,
+          end_ts: 0,
+          annotations: [annotation],
+        })
+      }
+      return
+    }
+    // if this annotation is from a different paragraph, make a new paragraph
+    if (annotation.type === 'section_heading' || annotation.type === 'heading_text' || annotation.paragraph_id !== currentParagraph.id) {
+      const paragraph_type = getParagraphType(annotation, paragraph)
+      currentParagraph = {
+        id: annotation.paragraph_id || ('index_' + i),
+        type: paragraph_type,
+        start_ts: annotation.start_ts,
+        end_ts: 0,
+        annotations: [],
+      }
+      if (annotation.type === 'section_heading') {
+        currentParagraph.sectionIndex = sectionCount++
+        currentParagraph.id = 'section_' + currentParagraph.sectionIndex
+      }
+      paragraphs.push(currentParagraph)
+    }
+    // if this annotation is a paragraph_end, set the end timestamp
+    if (annotation.type === 'paragraph_end') {
+      currentParagraph.end_ts = annotation.start_ts
+    }
+    // otherwise, just append this annotation to the paragraph
+    else {
+      currentParagraph.annotations.push(annotation)
+    }
+  })
+  for (let i = 0; i < (paragraphs.length - 1); i++) {
+    if (!paragraphs[i].end_ts) {
+      paragraphs[i].end_ts = paragraphs[i+1].start_ts - 0.1
+    }
+  }
+  return paragraphs
+}
+
+const getParagraphType = (annotation, paragraph) => {
+  if (annotation.type === 'section_heading') {
+    return annotation.type
+  }
+  if (annotation.type === 'heading_text') {
+    return annotation.type
+  }
+  if (!paragraph) {
+    return annotation.type
+  }
+  return paragraph.type
+}