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import { store, history, dispatch } from 'app/store'
import {
TEXT_ANNOTATION_TYPES,
MEDIA_ANNOTATION_TYPES,
INLINE_UTILITY_ANNOTATION_TYPES,
FULLSCREEN_UTILITY_ANNOTATION_TYPES,
} from 'app/constants'
export const buildParagraphs = (annotationOrder, sectionCount, footnoteCount) => {
const state = store.getState()
const { lookup: annotationLookup } = state.annotation.index
const { lookup: paragraphLookup } = state.paragraph.index
let currentParagraph = {}
const paragraphs = []
const footnotes = []
sectionCount = (sectionCount || 0)
footnoteCount = (footnoteCount || 0)
// loop over the annotations in time order
annotationOrder.forEach((annotation_id, i) => {
// fetch annotation and paragraph
const annotation = annotationLookup[annotation_id]
const paragraph = paragraphLookup[annotation.paragraph_id]
// if this annotation is a utility (curtain, gallery instructions), then skip it
if (FULLSCREEN_UTILITY_ANNOTATION_TYPES.has(annotation.type)) {
return
}
// if this annotation is an inline utility (intro div) don't skip it
if (INLINE_UTILITY_ANNOTATION_TYPES.has(annotation.type)) {
if (!annotation.settings.hideCitation) {
const item = {
id: ('index_' + annotation.id),
type: annotation.type,
start_ts: annotation.start_ts,
end_ts: 0,
annotations: [annotation],
}
if (annotation.type === 'intro') {
paragraphs.unshift(item)
} else {
paragraphs.push(item)
}
}
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,
isMedia: true,
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: [],
settings: paragraph ? paragraph.settings : {},
}
if (paragraph && paragraph.type === 'hidden') {
currentParagraph.hidden = true
}
if (annotation.type === 'section_heading') {
currentParagraph.sectionIndex = sectionCount++
currentParagraph.id = 'section_' + currentParagraph.sectionIndex
if (annotation.settings.hidden) {
currentParagraph.hidden = true
}
}
paragraphs.push(currentParagraph)
}
// accumulate footnotes
if (annotation.type === 'footnote') {
// bump footnote count and attach it to this annotation, so we can find it later
footnoteCount += 1
if (!annotation.footnote_id || annotation.footnote_id === 1) {
annotation.footnote_id = footnoteCount
}
// set annotation start point to the start of the previous sentence
if (currentParagraph.annotations[currentParagraph.annotations.length - 1]) {
annotation.start_ts = currentParagraph.annotations[currentParagraph.annotations.length - 1].start_ts
}
footnotes.push(annotation)
}
// 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)
}
})
// finally, go over the paragraphs to fix some timestamps
for (let i = 0; i < (paragraphs.length - 1); i++) {
// update the end_ts, if none is set
if (!paragraphs[i].end_ts) {
paragraphs[i].end_ts = paragraphs[i+1].start_ts - 0.1
}
// push the timestamp for media to the next paragraph
if (paragraphs[i].isMedia) {
paragraphs[i].start_ts = paragraphs[i+1].start_ts - 0.01
}
}
return { paragraphs, footnotes }
}
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
}
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