tracker

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1. // components/show.hl — `/shows/:slug` (tracker.worldapi.org#4): a show's own page. Creator's words:
2. // "the poster on the left, right of it the title of the show, the genre pills, below the plot summary,
3. // below that the artists just as normal links, separated with comma color red, genres are blue" (the
4. // header) — "then all seasons in reverse order, latest on top, below them collapsable their episodes,
5. // episodes first the round check icon, if the episode was watched by the user looking its solid, if
6. // not its regular, then the episode number, then the title. the last season is not collapsed. click on
7. // the check adds a watch. the season also has a check, if the season is checked or unchecked all its
8. // episodes get checked or unchecked. artists link to /person/<artist-slug> the genre to /genre/<genre-slug>."
9. //
10. // THE ROWS ARE ONE FLAT LIST, not a nested for-loop over seasons > episodes: the vendored build may
11. // still lack the fix for hybriel#86 (a nested for over a reassigned outer list keeps stale inner
12. // cells) — a single-level `for (row of rows)` with a `kind` field, reassigned whole on every click,
13. // is the same proven-safe shape components/main.hl's own header and ident's inbox.hl already use.
14. // `rows` is rebuilt from scratch (seasons/episodes refetched by id, watch rows refetched) on every
15. // toggle — cheap: a show has at most a few dozen episodes per season.
16. //
17. // Mission 047 (the creator, 2026-10-01): a caret at the season header's right edge (down = open, right = collapsed); episode
18. // rows not indented; on a phone the title first, then the poster at full width, then genres/plot/cast; a Follow toggle
19. // next to the title. SIGNED OUT the checks and Follow are visible too: a click opens the "sign in" modal (modal.hl, copied
20. // from components.hybriel) and writes nothing.
21. //
22. // tracker.worldapi.org#17 (mission 057): the caret points DOWN while a season is closed and UP while it is open. Opening a
23. // season shows SKELETON rows at once (min(episodes, 8), a CSS shimmer, styles.hl) and then its episodes from the face
24. // `showSeasonEpisodes`, which takes NO session: a face with `session` makes hl:web re-mount the whole page on the server and
25. // ship every session-derived member back as a `sync` (WebFramework.hl `inbound`) — that, not the episodes, was most of the
26. // old 250–450 ms (real data). The watched state comes from `watchedEpisodes` (this show's watched episodes per season, rendered
27. // with the page and re-synced after every watch face). Closing is client-only (no request). An ADULT show (only its
28. // followers see it) keeps the session face `showRows`: the public face refuses adult seasons.
29. //
30. // tracker.worldapi.org#12: link icons under the title — the show on TMDB, IMDb, TheTVDB, TVmaze (a movie: TMDB + IMDb),
31. // only for the ids it has (shows.hl externalLinksOf), each in a new tab.
32. //
33. // mission 058: #22 every episode row shows its air date (`release`, 'YYYY-MM-DD' like /my/unwatched; none → empty). #23 a
34. // season's check is DERIVED: solid exactly when every one of its episodes is watched (a season without episodes: its own
35. // season watch) — unchecking one episode turns the season off with the face's answer, checking it again turns it on; the
36. // season click watches all when not all are watched, else unwatches all. #24 a MOVIE's page has its own watched check
37. // (watch `targetType = 'movie'`, target = the title's id; face `showToggleMovie`), signed out → the sign-in modal.
38. parent './main.hl'
39. import Modal from './modal.hl'
40. import FranchiseWidget from './franchisewidget.hl'
41. import { appTitle } from '../project.hl'
42. import { userIdOfSession, loginHref } from '../users.hl'
43. import { isFollowing, setFollowed } from '../follows.hl'
44. import { showBySlug, showById, genreById, personById, seasonsOfShow, episodesOfSeason, seasonById, posterName, externalLinksOf } from '../shows.hl'
45. import { watchesOfUser, isWatched, watchedSet, setWatched, setSeasonWatched, watchClassOf } from '../watches.hl'
46. import { widgetsOf } from '../franchises.hl'
48. // ---- pure helpers ----------------------------------------------------------------------------
49. // `static`, like calendar.hl's `soonOf` — a PLAIN instance member function that calls an
50. // hl:mpackdb-backed import (seasonsOfShow, episodesOfSeason, watchesOfUser, …) comes back null
51. // when called from an `on server` face (confirmed by running the gate: "'buildRows' is not
52. // callable — it holds null" at the face's call site, even though the SAME call works fine as a
53. // member's own initializer at the top of this file). `static` is the proven-safe shape (calendar's
54. // `soonOf`, called from `calLoad`/`calSettingsLoad`, an mpackdb-backed helper exactly like this one).
55. static initialCollapsed = (seasons) => {
56. let m = {}
57. let i = 0
58. while (i < seasons.length) {
59. if (i > 0) { m[seasons[i].id] = true }
60. i = i + 1
61. }
62. return m
63. }
64. static genreRowsOf = (show) => {
65. let out = []
66. for (gid of show.genres) {
67. let g = genreById(gid)
68. if (g != null) { out.push({ id = g.id name = g.name href = '/genres/' + g.urlSegment }) }
69. }
70. return out
71. }
72. static castRowsOf = (show) => {
73. let out = []
74. for (c of show.cast) {
75. let p = personById(c.person)
76. if (p != null) { out.push({ name = c.actor href = '/person/' + p.urlSegment }) }
77. }
78. return out
79. }
80. // a View attribute must be a literal, a member or a field path — never an inline expression — so
81. // every ternary (watched -> icon class, collapsed -> row class) is resolved HERE, once, into a
82. // plain field the View just reads (row.watchClass, row.rowClass); `watchClassOf` itself lives in
83. // watches.hl (shared with /unwatched and /schedule, "reuse, don't copy")
84. // #22: an episode's air date as the lists show it ('YYYY-MM-DD'), '' when it has none
85. static airDateOf = (e) => { return e.release != null && hlTypeName(e.release) == 'String' ? e.release : '' }
86. // #23: a season is watched when ALL its episodes are (by the ids it lists); one without episodes keeps its own season watch
87. static seasonAllWatched = (s, watched) => {
88. if (s.episodes.length == 0) { return watched['season:' + s.id] == true }
89. for (eid of s.episodes) { if (watched['episode:' + eid] != true) { return false } }
90. return true
91. }
92. static buildRows = (show, uid, collapsed) => {
93. let watched = watchedSet(uid != null ? watchesOfUser(uid) : [])
94. let out = []
95. for (s of seasonsOfShow(show)) {
96. let isCollapsed = collapsed[s.id] == true
97. let label = s.title != null && s.title != '' ? s.title : 'Season ' + s.seasonNumber
98. let seasonWatched = seasonAllWatched(s, watched)
99. out.push({ kind = 'season' isSeason = true isEpisode = false isSkeleton = false id = s.id skeletonCount = s.episodes.length < 8 ? s.episodes.length : 8 label = label episodeCountText = s.episodes.length == 1 ? '1 episode' : s.episodes.length + ' episodes' watched = seasonWatched watchClass = watchClassOf(seasonWatched) collapsed = isCollapsed rowClass = isCollapsed ? 'collapsed' : 'expanded' })
100. if (!isCollapsed) {
101. for (e of episodesOfSeason(s)) {
102. let epWatched = watched['episode:' + e.id] == true
103. out.push({ kind = 'episode' isSeason = false isEpisode = true isSkeleton = false id = e.id seasonId = s.id episodeNumber = e.episodeNumber title = e.title != null ? e.title : '' airDate = airDateOf(e) watched = epWatched watchClass = watchClassOf(epWatched) })
104. }
105. }
106. }
107. return out
108. }
110. // what the client marks the rows of a season it opens with (tracker#17) — only this show's, never the user's whole watch
111. // list (every member is shipped to the browser). Per season with a watched episode: `{ all, except }` — `all` = most of
112. // it is watched, then `except` holds the UNwatched ids, else the watched ones (a fully watched 142-episode season is
113. // `{ all = true except = {} }`, not 142 ids). No entry = nothing watched.
114. static watchedEpisodesOf = (show, uid) => {
115. let m = {}
116. if (uid == null) { return m }
117. let watched = watchedSet(watchesOfUser(uid))
118. for (s of seasonsOfShow(show)) {
119. let yes = {}
120. let no = {}
121. let n = 0
122. for (eid of s.episodes) {
123. if (watched['episode:' + eid] == true) { yes[eid] = true n = n + 1 } else { no[eid] = true }
124. }
125. if (n > 0) { m[s.id] = n * 2 > s.episodes.length ? { all = true except = no } : { all = false except = yes } }
126. }
127. return m
128. }
129. // is this episode watched, by that per-season shape (client-side, pure)
130. static watchedIn = (entry, episodeId) => {
131. if (entry == null) { return false }
132. let listed = entry.except[episodeId] == true
133. return entry.all ? !listed : listed
134. }
136. // ---- the rows as the CLIENT changes them (tracker#17) — pure: no import is reached, so they run in the browser ----------
137. // (`watchClassOf` is an import of the mpackdb-backed watches.hl, so `filledRows` writes its two classes itself)
138. static seasonRowAs = (row, isCollapsed) => {
139. return { kind = 'season' isSeason = true isEpisode = false isSkeleton = false id = row.id skeletonCount = row.skeletonCount label = row.label episodeCountText = row.episodeCountText watched = row.watched watchClass = row.watchClass collapsed = isCollapsed rowClass = isCollapsed ? 'collapsed' : 'expanded' }
140. }
141. // the season opened: its caret up at once, `skeletonCount` placeholder rows under it
142. static openingRows = (rows, seasonId) => {
143. let out = []
144. for (row of rows) {
145. if (row.isSeason && row.id == seasonId) {
146. out.push(seasonRowAs(row, false))
147. let i = 0
148. while (i < row.skeletonCount) {
149. out.push({ kind = 'skeleton' isSeason = false isEpisode = false isSkeleton = true id = seasonId + '-skeleton-' + i seasonId = seasonId })
150. i = i + 1
151. }
152. } else { out.push(row) }
153. }
154. return out
155. }
156. // the season closed: its episode (and skeleton) rows gone, caret down
157. static closedRows = (rows, seasonId) => {
158. let out = []
159. for (row of rows) {
160. if (row.isSeason && row.id == seasonId) { out.push(seasonRowAs(row, true)) }
161. else if (!row.isSeason && row.seasonId == seasonId) { }
162. else { out.push(row) }
163. }
164. return out
165. }
166. // the episodes arrived: they replace the season's skeleton rows. No skeleton of it left (closed meanwhile, or a watch face
167. // already rebuilt every row) → the rows stay as they are (no double rows)
168. static filledRows = (rows, seasonId, episodes, watched) => {
169. let out = []
170. let done = false
171. for (row of rows) {
172. if (row.isSkeleton && row.seasonId == seasonId) {
173. if (!done) {
174. for (e of episodes) {
175. let w = watchedIn(watched[seasonId], e.id)
176. out.push({ kind = 'episode' isSeason = false isEpisode = true isSkeleton = false id = e.id seasonId = seasonId episodeNumber = e.episodeNumber title = e.title airDate = e.airDate watched = w watchClass = w ? 'checkicon solid' : 'checkicon regular' })
177. }
178. done = true
179. }
180. } else { out.push(row) }
181. }
182. return out
183. }
185. // a LOCAL static like buildRows (an imported mpackdb helper called straight from a member's initializer came back false
186. // after a client-side navigation to the page — the gate's follow check)
187. static followingOf = (show, uid) => { return uid != null && isFollowing(uid, show.id) }
188. // #24: has this user watched this movie (a watch `movie:<title id>`)?
189. static movieWatchedOf = (show, uid) => { return uid != null && isWatched(watchesOfUser(uid), 'movie', show.id) }
190. // mission 056: an ADULT title's page (TMDB's flag `adult == true`, mission 054) is "Not found" for everyone who does not
191. // follow it (signed out too); a follower sees it as before. Unknown (`null`) is not hidden here — only in the lists.
192. // With hybriel ≥ 73267707 (#121/#122) `showRow`/`found` are server sites re-derived after every session face with the page's
193. // slug, so an Unfollow on the page hides it at once (the gate proves it; the old build left the page up until a reload).
194. // Mission 054's try (`found = … && !adultHiddenFor(showRow, me)`, `collapsed`/`rows` from `found`) broke the checks.
195. static adultHiddenFor = (show, uid) => { return show.adult == true && !followingOf(show, uid) }
196. // the page's show — null when there is none OR it is hidden for this user: every member is shipped to the browser, so the
197. // row of a hidden title must never be one
198. static visibleShow = (slug, uid) => {
199. let s = showBySlug(slug)
200. return s != null && adultHiddenFor(s, uid) ? null : s
201. }
202. // tracker.worldapi.org#19 (mission 066): the franchise widget(s), one per timeline the title is in (components/franchisewidget.hl)
203. static franchiseWidgetsOf = (show) => { return widgetsOf(show.id) }
204. // the initial open/closed seasons from the SLUG alone (not from `showRow`, which reads the session — see `collapsed`)
205. static initialCollapsedOf = (slug) => {
206. let s = showBySlug(slug)
207. return s != null ? initialCollapsed(seasonsOfShow(s)) : {}
208. }
210. // ---- reactive members -----------------------------------------------------------------------
211. slug = null
212. session = null
213. userId = userIdOfSession(session)
214. signedIn = userId != null
215. // SESSION SYNC (mission 047; since hybriel #121/#122, mission 056): a face taking `session` answers with a `sync` of every
216. // member derived from session that reaches an import (here `showRow`, `found`, `following`, `rows`, …), re-derived on the
217. // server with the page's route params but the MOUNT's other state — so client state (`collapsed`) must never derive from
218. // them. `me` stays the plain copy mission 047 introduced.
219. me = userId
221. showRow = visibleShow(slug, me)
222. found = showRow != null
223. notFound = showRow == null
225. // the Follow toggle: "Follow" = the inverted button (accent border), "Following" = the filled one
226. following = found ? followingOf(showRow, me) : false
227. followClass = following ? 'follow' : 'follow inverted'
228. followText = following ? 'Following' : 'Follow'
229. signInHref = loginHref
231. // #24: a movie's watched check (same icon/classes as the episodes); the classes written out, not `watchClassOf` (an import of
232. // the mpackdb-backed watches.hl cannot run in the browser when the member is re-derived there)
233. isMovie = found && showRow.type == 'movie'
234. movieWatched = isMovie ? movieWatchedOf(showRow, me) : false
235. movieWatchClass = movieWatched ? 'checkicon solid' : 'checkicon regular'
236. movieWatchText = movieWatched ? 'Watched' : 'Not watched'
237. signInText = isMovie ? 'You need to sign in to follow movies and mark them watched.' : 'You need to sign in to follow shows and mark episodes.'
239. title = found ? showRow.title : ''
240. summary = found && showRow.summary != null ? showRow.summary : ''
241. poster = found ? posterName(showRow) : null
242. hasPoster = poster != null
243. posterUrl = hasPoster ? '/posters/' + poster : ''
244. // mission 060 (tracker.worldapi.org#27): the short id under the poster (none yet while the backfill has not reached it)
245. shortId = found && showRow.shortId != null ? '' + showRow.shortId : ''
246. hasShortId = shortId != ''
248. genreRows = found ? genreRowsOf(showRow) : []
249. hasGenres = genreRows.length > 0
250. castRows = found ? castRowsOf(showRow) : []
251. hasCast = castRows.length > 0
252. linkRows = found ? externalLinksOf(showRow) : []
253. franchiseWidgets = found ? franchiseWidgetsOf(showRow) : []
254. hasLinks = linkRows.length > 0
256. // NOT from `showRow`/`found`: they read the session (via `me`), so a member derived from them is re-derived on the server
257. // after every session face with the MOUNT's state — `collapsed` (client state) would snap back to the initial seasons (mission
258. // 056: the 2nd episode click in a re-opened season did nothing). The season ids of a hidden page are no secret.
259. collapsed = initialCollapsedOf(slug)
260. rows = found ? buildRows(showRow, me, collapsed) : []
261. hasRows = rows.length > 0
262. watchedEpisodes = found ? watchedEpisodesOf(showRow, me) : {}
263. // an adult page (followers only) opens its seasons through the session face `showRows`
264. adultShow = found && showRow.adult == true
266. __title = found ? title + ' — ' + appTitle : appTitle
268. View {
269. showPage {
270. if (notFound) {
271. article { class = "main"
272. h1 { "Not found" }
273. p { "This show doesn't exist." }
274. }
275. }
276. if (found) {
277. showHeader {
278. showPoster {
279. if (hasPoster) { img { src = posterUrl alt = title } }
280. if (hasShortId) { shortIdLabel { id = "shortid" title = "Short id" shortId } }
281. }
282. showMeta {
283. showTitle {
284. h1 { title }
285. button { id = "follow" type = "button" class = followClass followText on click(e) { emit toggleFollow(e) } }
286. }
287. if (isMovie) {
288. movieWatch {
289. button { id = "moviewatch" type = "button" class = movieWatchClass "aria-label" = "mark movie watched"
290. svg { viewBox = "0 0 24 24" width = "22" height = "22" "aria-hidden" = "true"
291. circle { cx = "12" cy = "12" r = "10" }
292. path { d = "M7 12.5 L10.5 16 L17 8.5" }
293. }
294. on click(e) { emit toggleMovie(e) }
295. }
296. movieWatchLabel { movieWatchText }
297. }
298. }
299. if (hasLinks) {
300. showLinks {
301. for (l of linkRows) { a { class = "extlink" href = l.href target = "_blank" rel = "noopener" title = l.title "aria-label" = l.title "data-site" = l.site l.label } }
302. }
303. }
304. if (hasGenres) {
305. showGenres {
306. for (g of genreRows) { a { class = "genre-pill" href = g.href g.name } }
307. }
308. }
309. showSummary { summary }
310. if (hasCast) {
311. showCast {
312. for (c of castRows) { a { class = "artist-link" href = c.href c.name } }
313. }
314. }
315. }
316. }
317. FranchiseWidget { widgets = franchiseWidgets }
318. if (hasRows) {
319. showSeasons {
320. for (row of rows) {
321. if (row.isSeason) {
322. seasonRow { class = row.rowClass
323. button { type = "button" class = row.watchClass value = row.id "aria-label" = "mark season watched"
324. svg { viewBox = "0 0 24 24" width = "22" height = "22" "aria-hidden" = "true"
325. circle { cx = "12" cy = "12" r = "10" }
326. path { d = "M7 12.5 L10.5 16 L17 8.5" }
327. }
328. on click(e) { emit toggleSeason(row.id) }
329. }
330. button { type = "button" class = "season-toggle" value = row.id
331. seasonLabel { row.label }
332. seasonCount { row.episodeCountText }
333. seasonCaret { "aria-hidden" = "true"
334. svg { viewBox = "0 0 24 24" width = "20" height = "20"
335. path { d = "M6 9 L12 15 L18 9" }
336. }
337. }
338. on click(e) { emit toggleCollapse(row.id) }
339. }
340. }
341. }
342. if (row.isEpisode) {
343. episodeRow {
344. button { type = "button" class = row.watchClass value = row.id "aria-label" = "mark episode watched"
345. svg { viewBox = "0 0 24 24" width = "22" height = "22" "aria-hidden" = "true"
346. circle { cx = "12" cy = "12" r = "10" }
347. path { d = "M7 12.5 L10.5 16 L17 8.5" }
348. }
349. on click(e) { emit toggleEpisode(row.id) }
350. }
351. episodeNumber { row.episodeNumber }
352. episodeTitle { row.title }
353. episodeDate { row.airDate }
354. }
355. }
356. if (row.isSkeleton) {
357. skeletonRow { "aria-hidden" = "true"
358. skeletonCheck { }
359. skeletonNumber { }
360. skeletonTitle { }
361. }
362. }
363. }
364. }
365. }
366. Modal { id = "signin" title = "Sign in"
367. p { signInText }
368. footer {
369. button { type = "button" value = "close" "Close" }
370. a { id = "signin-link" class = "button" href = signInHref "Sign in with ident" }
371. }
372. }
373. }
374. }
375. }
377. // Every rebuild of `rows` happens SERVER-SIDE, never by calling `buildRows` from a client handler:
378. // a member function whose body reaches an hl:mpackdb-backed import (seasonsOfShow, episodesOfSeason,
379. // watchesOfUser, …) compiles to nothing on the client (no case ever assigns it — a genuine Hybriel
380. // gap, filed under `issues`) even though the client bundle still calls it, so `this.buildRows(...)`
381. // throws "not a function" in the browser. The client here only ever ASSIGNS the `rows` the server
382. // already built (`rows = r.rows`) — never calls a tainted local helper itself. `slug` goes along so
383. // the face can refetch the show without depending on implicit access to a sibling member.
384. //
385. // tracker#17: opening shows the skeleton rows BEFORE the request; the answer replaces them unless the season was closed
386. // meanwhile (then nothing). An error closes the season again. Closing never asks the server.
387. on toggleCollapse(seasonId) {
388. let m = collapsed
389. if (collapsed[seasonId] != true) {
390. m[seasonId] = true
391. collapsed = m
392. rows = closedRows(rows, seasonId)
393. return null
394. }
395. m[seasonId] = false
396. collapsed = m
397. rows = openingRows(rows, seasonId)
398. if (adultShow) {
399. let a = emit server showRows(slug, collapsed)
400. if (collapsed[seasonId] == true) { return null }
401. if (a == null || a.error != null) { m[seasonId] = true collapsed = m rows = closedRows(rows, seasonId) return null }
402. rows = a.rows
403. return null
404. }
405. let r = emit server showSeasonEpisodes('' + seasonId)
406. if (collapsed[seasonId] == true) { return null }
407. if (r == null || r.error != null) { m[seasonId] = true collapsed = m rows = closedRows(rows, seasonId) return null }
408. rows = filledRows(rows, seasonId, r.episodes, watchedEpisodes)
409. }
411. // signed out: the modal, nothing is sent
412. on toggleEpisode(episodeId) {
413. if (!signedIn) { document.getElementById('signin').showModal() return null }
414. let r = emit server showToggleEpisode(slug, '' + episodeId, collapsed)
415. if (r == null || r.error != null) { return null }
416. rows = r.rows
417. }
419. on toggleSeason(seasonId) {
420. if (!signedIn) { document.getElementById('signin').showModal() return null }
421. let r = emit server showToggleSeason(slug, '' + seasonId, collapsed)
422. if (r == null || r.error != null) { return null }
423. rows = r.rows
424. }
426. // #24: the movie's own check — signed out the modal, nothing sent
427. on toggleMovie(e) {
428. if (!signedIn) { document.getElementById('signin').showModal() return null }
429. let r = emit server showToggleMovie(slug)
430. if (r == null || r.error != null) { return null }
431. movieWatched = r.watched
432. movieWatchClass = r.watched ? 'checkicon solid' : 'checkicon regular'
433. movieWatchText = r.watched ? 'Watched' : 'Not watched'
434. }
436. on toggleFollow(e) {
437. if (!signedIn) { document.getElementById('signin').showModal() return null }
438. let r = emit server showToggleFollow(slug)
439. if (r == null || r.error != null) { return null }
440. following = r.following
441. followClass = r.following ? 'follow' : 'follow inverted'
442. followText = r.following ? 'Following' : 'Follow'
443. }
445. // ---- the faces (the trailing `session` is always the server's: hybriel#16) ----
446. // every row for these open/closed seasons — only an ADULT show's page still uses it (its followers; tracker#17)
447. on server showRows(slug, collapsed, session) {
448. let show = showBySlug(slug)
449. let uid = userIdOfSession(session)
450. if (show == null || adultHiddenFor(show, uid)) { return { error = 'no such show' } }
451. return { ok = true rows = buildRows(show, uid, collapsed) }
452. }
454. // tracker#17: one season's episodes, in order — public data, so NO `session` (no page re-mount, no sync: the fast path).
455. // Refuses a season of an adult title (those pages use showRows above).
456. on server showSeasonEpisodes(seasonId) {
457. if (seasonId == null || hlTypeName(seasonId) != 'String') { return { error = 'no such season' } }
458. let season = seasonById(seasonId)
459. if (season == null) { return { error = 'no such season' } }
460. let show = showById(season.show)
461. if (show == null || show.adult == true) { return { error = 'no such season' } }
462. let out = []
463. for (e of episodesOfSeason(season)) { out.push({ id = e.id episodeNumber = e.episodeNumber title = e.title != null ? e.title : '' airDate = airDateOf(e) }) }
464. return { ok = true episodes = out }
465. }
467. on server showToggleEpisode(slug, episodeId, collapsed, session) {
468. let show = showBySlug(slug)
469. if (show == null) { return { error = 'no such show' } }
470. let uid = userIdOfSession(session)
471. if (uid == null) { return { error = 'you are not signed in' } }
472. if (adultHiddenFor(show, uid)) { return { error = 'no such show' } }
473. let rows = watchesOfUser(uid)
474. let watched = isWatched(rows, 'episode', episodeId) == false
475. let ok = setWatched(uid, 'episode', episodeId, rows, watched)
476. if (!ok) { return { error = 'could not save the watch' } }
477. return { ok = true rows = buildRows(show, uid, collapsed) }
478. }
480. on server showToggleSeason(slug, seasonId, collapsed, session) {
481. let show = showBySlug(slug)
482. if (show == null) { return { error = 'no such show' } }
483. let uid = userIdOfSession(session)
484. if (uid == null) { return { error = 'you are not signed in' } }
485. if (adultHiddenFor(show, uid)) { return { error = 'no such show' } }
486. let season = seasonById(seasonId)
487. if (season == null) { return { error = 'no such season' } }
488. let rows = watchesOfUser(uid)
489. // #23: not all episodes watched → watch them all; all watched → unwatch them all
490. let watched = !seasonAllWatched(season, watchedSet(rows))
491. let ok = setSeasonWatched(uid, seasonId, season.episodes, rows, watched)
492. if (!ok) { return { error = 'could not save the watch' } }
493. return { ok = true rows = buildRows(show, uid, collapsed) }
494. }
496. // #24: a movie's watched check (only a movie: a series is watched by its episodes)
497. on server showToggleMovie(slug, session) {
498. let show = showBySlug(slug)
499. if (show == null || show.type != 'movie') { return { error = 'no such movie' } }
500. let uid = userIdOfSession(session)
501. if (uid == null) { return { error = 'you are not signed in' } }
502. if (adultHiddenFor(show, uid)) { return { error = 'no such movie' } }
503. let rows = watchesOfUser(uid)
504. let watched = isWatched(rows, 'movie', show.id) == false
505. if (!setWatched(uid, 'movie', show.id, rows, watched)) { return { error = 'could not save the watch' } }
506. return { ok = true watched = watched }
507. }
509. on server showToggleFollow(slug, session) {
510. let show = showBySlug(slug)
511. if (show == null) { return { error = 'no such show' } }
512. let uid = userIdOfSession(session)
513. if (uid == null) { return { error = 'you are not signed in' } }
514. let follow = isFollowing(uid, show.id) == false
515. if (!setFollowed(uid, show.id, follow)) { return { error = 'could not save the follow' } }
516. return { ok = true following = follow }
517. }