mirror of
https://github.com/zedeus/nitter.git
synced 2024-11-15 13:13:46 +00:00
423 lines
13 KiB
Nim
423 lines
13 KiB
Nim
import strutils, options, tables, times, math
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import packedjson
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import types, parserutils, utils
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proc parseProfile(js: JsonNode; id=""): Profile =
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if js.isNull: return
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result = Profile(
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id: if id.len > 0: id else: js{"id_str"}.getStr,
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username: js{"screen_name"}.getStr,
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fullname: js{"name"}.getStr,
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location: js{"location"}.getStr,
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bio: js{"description"}.getStr,
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userpic: js{"profile_image_url_https"}.getStr.replace("_normal", ""),
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banner: js.getBanner,
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following: $js{"friends_count"}.getInt,
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followers: $js{"followers_count"}.getInt,
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tweets: $js{"statuses_count"}.getInt,
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likes: $js{"favourites_count"}.getInt,
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media: $js{"media_count"}.getInt,
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verified: js{"verified"}.getBool,
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protected: js{"protected"}.getBool,
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joinDate: js{"created_at"}.getTime
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)
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result.expandProfileEntities(js)
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proc parseUserShow*(js: JsonNode; username: string): Profile =
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if js.isNull: return
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with error, js{"errors"}:
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result = Profile(username: username)
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if error.getError == suspended:
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result.suspended = true
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return
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result = parseProfile(js)
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proc parseGraphProfile*(js: JsonNode; username: string): Profile =
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if js.isNull: return
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with error, js{"errors"}:
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result = Profile(username: username)
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if error.getError == suspended:
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result.suspended = true
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return
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let user = js{"data", "user", "legacy"}
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let id = js{"data", "user", "rest_id"}.getStr
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parseProfile(user, id)
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proc parseGraphList*(js: JsonNode): List =
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if js.isNull: return
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var list = js{"data", "user_by_screen_name", "list"}
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if list.isNull:
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list = js{"data", "list"}
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if list.isNull:
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return
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result = List(
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id: list{"id_str"}.getStr,
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name: list{"name"}.getStr,
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username: list{"user", "legacy", "screen_name"}.getStr,
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userId: list{"user", "legacy", "id_str"}.getStr,
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description: list{"description"}.getStr,
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members: list{"member_count"}.getInt,
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banner: list{"custom_banner_media", "media_info", "url"}.getStr
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)
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proc parseListMembers*(js: JsonNode; cursor: string): Result[Profile] =
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result = Result[Profile](
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beginning: cursor.len == 0,
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query: Query(kind: userList)
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)
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if js.isNull: return
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result.top = js{"previous_cursor_str"}.getStr
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result.bottom = js{"next_cursor_str"}.getStr
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if result.bottom.len == 1:
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result.bottom.setLen 0
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for u in js{"users"}:
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result.content.add parseProfile(u)
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proc parsePoll(js: JsonNode): Poll =
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let vals = js{"binding_values"}
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# name format is pollNchoice_*
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for i in '1' .. js{"name"}.getStr[4]:
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let choice = "choice" & i
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result.values.add parseInt(vals{choice & "_count"}.getStrVal("0"))
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result.options.add vals{choice & "_label"}.getStrVal
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let time = vals{"end_datetime_utc", "string_value"}.getDateTime
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if time > getTime():
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let timeLeft = $(time - getTime())
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result.status = timeLeft[0 ..< timeLeft.find(",")]
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else:
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result.status = "Final results"
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result.leader = result.values.find(max(result.values))
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result.votes = result.values.sum
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proc parseGif(js: JsonNode): Gif =
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Gif(
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url: js{"video_info", "variants"}[0]{"url"}.getStr,
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thumb: js{"media_url_https"}.getStr
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)
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proc parseVideo(js: JsonNode): Video =
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result = Video(
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videoId: js{"id_str"}.getStr,
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thumb: js{"media_url_https"}.getStr,
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views: js{"ext", "mediaStats", "r", "ok", "viewCount"}.getStr,
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available: js{"ext_media_availability", "status"}.getStr == "available",
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title: js{"ext_alt_text"}.getStr,
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durationMs: js{"duration_millis"}.getInt
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)
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for v in js{"video_info", "variants"}:
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result.variants.add VideoVariant(
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videoType: parseEnum[VideoType](v{"content_type"}.getStr("summary")),
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bitrate: v{"bitrate"}.getInt,
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url: v{"url"}.getStr
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)
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proc parsePromoVideo(js: JsonNode): Video =
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result = Video(
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thumb: js{"player_image_large"}.getImageVal,
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available: true,
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durationMs: js{"content_duration_seconds"}.getStrVal("0").parseInt * 1000,
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playbackType: vmap,
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videoId: js{"player_content_id"}.getStrVal(js{"card_id"}.getStrVal(
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js{"amplify_content_id"}.getStrVal())),
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)
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var variant = VideoVariant(
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videoType: vmap,
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url: js{"player_hls_url"}.getStrVal(js{"player_stream_url"}.getStrVal(
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js{"amplify_url_vmap"}.getStrVal()))
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)
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if "m3u8" in variant.url:
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variant.videoType = m3u8
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result.playbackType = m3u8
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result.variants.add variant
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proc parseBroadcast(js: JsonNode): Card =
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let image = js{"broadcast_thumbnail_large"}.getImageVal
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result = Card(
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kind: broadcast,
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url: js{"broadcast_url"}.getStrVal,
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title: js{"broadcaster_display_name"}.getStrVal,
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text: js{"broadcast_title"}.getStrVal,
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image: image,
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video: some Video(videoId: js{"broadcast_media_id"}.getStrVal, thumb: image)
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)
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proc parseCard(js: JsonNode; urls: JsonNode): Card =
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const imageTypes = ["summary_photo_image", "player_image", "promo_image",
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"photo_image_full_size", "thumbnail_image", "thumbnail",
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"event_thumbnail"]
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let
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vals = ? js{"binding_values"}
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name = js{"name"}.getStr
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kind = parseEnum[CardKind](name[(name.find(":") + 1) ..< name.len])
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result = Card(
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kind: kind,
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url: vals.getCardUrl(kind),
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dest: vals.getCardDomain(kind),
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title: vals.getCardTitle(kind),
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text: vals{"description"}.getStrVal
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)
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if result.url.len == 0:
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result.url = js{"url"}.getStr
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case kind
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of promoVideo, promoVideoConvo, appPlayer:
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result.video = some parsePromoVideo(vals)
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if kind == appPlayer:
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result.text = vals{"app_category"}.getStrVal(result.text)
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of broadcast:
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result = parseBroadcast(vals)
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of liveEvent:
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result.text = vals{"event_title"}.getStrVal
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of player:
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result.url = vals{"player_url"}.getStrVal
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if "youtube.com" in result.url:
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result.url = result.url.replace("/embed/", "/watch?v=")
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of unified:
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result.title = "This card type is not supported."
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else: discard
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for typ in imageTypes:
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with img, vals{typ & "_large"}:
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result.image = img.getImageVal
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break
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for u in ? urls:
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if u{"url"}.getStr == result.url:
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result.url = u{"expanded_url"}.getStr
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break
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if kind in {promoImageConvo, promoImageApp} and result.url.len == 0 or
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result.url.startsWith("card://"):
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result.url = getPicUrl(result.image)
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proc parseTweet(js: JsonNode): Tweet =
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if js.isNull: return
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result = Tweet(
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id: js{"id_str"}.getId,
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threadId: js{"conversation_id_str"}.getId,
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replyId: js{"in_reply_to_status_id_str"}.getId,
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text: js{"full_text"}.getStr,
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time: js{"created_at"}.getTime,
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hasThread: js{"self_thread"}.notNull,
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available: true,
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profile: Profile(id: js{"user_id_str"}.getStr),
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stats: TweetStats(
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replies: js{"reply_count"}.getInt,
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retweets: js{"retweet_count"}.getInt,
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likes: js{"favorite_count"}.getInt,
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)
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)
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result.expandTweetEntities(js)
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if js{"is_quote_status"}.getBool:
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result.quote = some Tweet(id: js{"quoted_status_id_str"}.getId)
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with rt, js{"retweeted_status_id_str"}:
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result.retweet = some Tweet(id: rt.getId)
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return
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with jsCard, js{"card"}:
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let name = jsCard{"name"}.getStr
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if "poll" in name:
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if "image" in name:
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result.photos.add jsCard{"binding_values", "image_large"}.getImageVal
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result.poll = some parsePoll(jsCard)
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elif name == "amplify":
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result.video = some(parsePromoVideo(jsCard{"binding_values"}))
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else:
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result.card = some parseCard(jsCard, js{"entities", "urls"})
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with jsMedia, js{"extended_entities", "media"}:
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for m in jsMedia:
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case m{"type"}.getStr
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of "photo":
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result.photos.add m{"media_url_https"}.getStr
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of "video":
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result.video = some(parseVideo(m))
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of "animated_gif":
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result.gif = some(parseGif(m))
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else: discard
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proc finalizeTweet(global: GlobalObjects; id: string): Tweet =
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let intId = if id.len > 0: parseBiggestInt(id) else: 0
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result = global.tweets.getOrDefault(id, Tweet(id: intId))
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if result.quote.isSome:
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let quote = get(result.quote).id
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if $quote in global.tweets:
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result.quote = some global.tweets[$quote]
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else:
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result.quote = some Tweet()
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if result.retweet.isSome:
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let rt = get(result.retweet).id
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if $rt in global.tweets:
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result.retweet = some finalizeTweet(global, $rt)
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else:
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result.retweet = some Tweet()
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proc parsePin(js: JsonNode; global: GlobalObjects): Tweet =
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let pin = js{"pinEntry", "entry", "entryId"}.getStr
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if pin.len == 0: return
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let id = pin.getId
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if id notin global.tweets: return
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global.tweets[id].pinned = true
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return finalizeTweet(global, id)
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proc parseGlobalObjects(js: JsonNode): GlobalObjects =
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result = GlobalObjects()
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let
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tweets = ? js{"globalObjects", "tweets"}
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users = ? js{"globalObjects", "users"}
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for k, v in users:
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result.users[k] = parseProfile(v, k)
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for k, v in tweets:
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var tweet = parseTweet(v)
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if tweet.profile.id in result.users:
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tweet.profile = result.users[tweet.profile.id]
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result.tweets[k] = tweet
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proc parseThread(js: JsonNode; global: GlobalObjects): tuple[thread: Chain, self: bool] =
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result.thread = Chain()
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for t in js{"content", "timelineModule", "items"}:
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let content = t{"item", "content"}
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if "Self" in content{"tweet", "displayType"}.getStr:
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result.self = true
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let entry = t{"entryId"}.getStr
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if "show_more" in entry:
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let
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cursor = content{"timelineCursor"}
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more = cursor{"displayTreatment", "actionText"}.getStr
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result.thread.more = parseInt(more[0 ..< more.find(" ")])
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result.thread.cursor = cursor{"value"}.getStr
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else:
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var tweet = finalizeTweet(global, entry.getId)
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if not tweet.available:
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tweet.tombstone = getTombstone(content{"tombstone"})
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result.thread.content.add tweet
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proc parseConversation*(js: JsonNode; tweetId: string): Conversation =
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result = Conversation(replies: Result[Chain](beginning: true))
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let global = parseGlobalObjects(? js)
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let instructions = ? js{"timeline", "instructions"}
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if instructions.len == 0:
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return
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for e in instructions[0]{"addEntries", "entries"}:
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let entry = e{"entryId"}.getStr
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if "tweet" in entry:
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let tweet = finalizeTweet(global, entry.getId)
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if $tweet.id != tweetId:
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result.before.content.add tweet
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else:
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result.tweet = tweet
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elif "conversationThread" in entry:
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let (thread, self) = parseThread(e, global)
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if thread.content.len > 0:
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if self:
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result.after = thread
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else:
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result.replies.content.add thread
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elif "cursor-showMore" in entry:
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result.replies.bottom = e.getCursor
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elif "cursor-bottom" in entry:
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result.replies.bottom = e.getCursor
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proc parseInstructions[T](res: var Result[T]; global: GlobalObjects; js: JsonNode) =
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if js.kind != JArray or js.len == 0:
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return
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for i in js:
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when T is Tweet:
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if res.beginning and i{"pinEntry"}.notNull:
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with pin, parsePin(i, global):
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res.content.add pin
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with r, i{"replaceEntry", "entry"}:
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if "top" in r{"entryId"}.getStr:
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res.top = r.getCursor
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elif "bottom" in r{"entryId"}.getStr:
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res.bottom = r.getCursor
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proc parseUsers*(js: JsonNode; after=""): Result[Profile] =
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result = Result[Profile](beginning: after.len == 0)
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let global = parseGlobalObjects(? js)
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let instructions = ? js{"timeline", "instructions"}
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if instructions.len == 0: return
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result.parseInstructions(global, instructions)
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for e in instructions[0]{"addEntries", "entries"}:
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let entry = e{"entryId"}.getStr
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if "sq-I-u" in entry:
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let id = entry.getId
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if id in global.users:
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result.content.add global.users[id]
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elif "cursor-top" in entry:
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result.top = e.getCursor
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elif "cursor-bottom" in entry:
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result.bottom = e.getCursor
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proc parseTimeline*(js: JsonNode; after=""): Timeline =
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result = Timeline(beginning: after.len == 0)
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let global = parseGlobalObjects(? js)
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let instructions = ? js{"timeline", "instructions"}
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if instructions.len == 0: return
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result.parseInstructions(global, instructions)
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for e in instructions[0]{"addEntries", "entries"}:
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let entry = e{"entryId"}.getStr
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if "tweet" in entry or "sq-I-t" in entry:
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let tweet = finalizeTweet(global, entry.getId)
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if not tweet.available: continue
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result.content.add tweet
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elif "cursor-top" in entry:
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result.top = e.getCursor
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elif "cursor-bottom" in entry:
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result.bottom = e.getCursor
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proc parsePhotoRail*(tl: Timeline): PhotoRail =
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for tweet in tl.content:
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if result.len == 16: break
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let url = if tweet.photos.len > 0: tweet.photos[0]
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elif tweet.video.isSome: get(tweet.video).thumb
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elif tweet.gif.isSome: get(tweet.gif).thumb
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elif tweet.card.isSome: get(tweet.card).image
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else: ""
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if url.len == 0:
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continue
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result.add GalleryPhoto(
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url: url,
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tweetId: $tweet.id,
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color: "#161616"
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)
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