519 行
17 KiB
Nim
519 行
17 KiB
Nim
# SPDX-License-Identifier: AGPL-3.0-only
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import strutils, options, tables, times, math
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import packedjson, packedjson/deserialiser
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import types, parserutils, utils
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import experimental/parser/unifiedcard
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proc parseGraphTweet(js: JsonNode): Tweet
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proc parseUser(js: JsonNode; id=""): User =
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if js.isNull: return
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result = User(
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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"}.getImageStr.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 or js{"ext_is_blue_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.expandUserEntities(js)
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proc parseGraphUser(js: JsonNode): User =
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let user = ? js{"user_results", "result"}
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result = parseUser(user{"legacy"})
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if "is_blue_verified" in user:
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result.verified = true
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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_results", "result", "legacy", "screen_name"}.getStr,
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userId: list{"user_results", "result", "rest_id"}.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", "original_img_url"}.getImageStr
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)
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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 > now():
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let timeLeft = $(time - now())
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result.status = timeLeft[0 ..< timeLeft.find(",")]
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else:
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result.status = "Final results"
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result.leader = result.values.find(max(result.values))
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result.votes = result.values.sum
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proc parseGif(js: JsonNode): Gif =
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result = Gif(
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url: js{"video_info", "variants"}[0]{"url"}.getImageStr,
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thumb: js{"media_url_https"}.getImageStr
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)
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proc parseVideo(js: JsonNode): Video =
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result = Video(
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thumb: js{"media_url_https"}.getImageStr,
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views: js{"ext", "mediaStats", "r", "ok", "viewCount"}.getStr($js{"mediaStats", "viewCount"}.getInt),
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available: js{"ext_media_availability", "status"}.getStr.toLowerAscii == "available",
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title: js{"ext_alt_text"}.getStr,
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durationMs: js{"video_info", "duration_millis"}.getInt
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# playbackType: mp4
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)
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with title, js{"additional_media_info", "title"}:
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result.title = title.getStr
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with description, js{"additional_media_info", "description"}:
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result.description = description.getStr
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for v in js{"video_info", "variants"}:
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let
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contentType = parseEnum[VideoType](v{"content_type"}.getStr("summary"))
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url = v{"url"}.getStr
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result.variants.add VideoVariant(
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contentType: contentType,
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bitrate: v{"bitrate"}.getInt,
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url: url,
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resolution: if contentType == mp4: getMp4Resolution(url) else: 0
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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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)
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var variant = VideoVariant(
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contentType: 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.contentType = 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(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", "image"]
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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], unknown)
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if kind == unified:
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return parseUnifiedCard(vals{"unified_card", "string_value"}.getStr)
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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, videoDirectMessage:
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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 audiospace, unknown:
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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 {videoDirectMessage, imageDirectMessage}:
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result.url.setLen 0
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if kind in {promoImageConvo, promoImageApp, imageDirectMessage} and
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result.url.len == 0 or result.url.startsWith("card://"):
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result.url = getPicUrl(result.image)
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proc parseTweet(js: JsonNode; jsCard: JsonNode = newJNull()): 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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user: User(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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quotes: js{"quote_count"}.getInt
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)
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)
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result.expandTweetEntities(js)
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# fix for pinned threads
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if result.hasThread and result.threadId == 0:
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result.threadId = js{"self_thread", "id_str"}.getId
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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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# legacy
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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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# graphql
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with rt, js{"retweeted_status_result", "result"}:
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# needed due to weird edgecase where the actual tweet data isn't included
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if "legacy" in rt:
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result.retweet = some parseGraphTweet(rt)
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return
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if jsCard.kind != JNull:
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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"}.getImageStr
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of "video":
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result.video = some(parseVideo(m))
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with user, m{"additional_media_info", "source_user"}:
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if user{"id"}.getInt > 0:
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result.attribution = some(parseUser(user))
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else:
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result.attribution = some(parseGraphUser(user))
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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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with jsWithheld, js{"withheld_in_countries"}:
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let withheldInCountries: seq[string] =
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if jsWithheld.kind != JArray: @[]
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else: jsWithheld.to(seq[string])
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# XX - Content is withheld in all countries
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# XY - Content is withheld due to a DMCA request.
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if js{"withheld_copyright"}.getBool or
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withheldInCountries.len > 0 and ("XX" in withheldInCountries or
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"XY" in withheldInCountries or
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"withheld" in result.text):
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result.text.removeSuffix(" Learn more.")
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result.available = false
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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] = parseUser(v, k)
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for k, v in tweets:
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var tweet = parseTweet(v, v{"card"})
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if tweet.user.id in result.users:
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tweet.user = result.users[tweet.user.id]
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result.tweets[k] = tweet
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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 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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var entries: JsonNode
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for i in instructions:
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if "addEntries" in i:
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entries = i{"addEntries", "entries"}
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for e in ? entries:
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let entry = e{"entryId"}.getStr
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if "tweet" in entry or entry.startsWith("sq-I-t") or "tombstone" in entry:
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let tweet = finalizeTweet(global, e.getEntryId)
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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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elif entry.startsWith("sq-cursor"):
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with cursor, e{"content", "operation", "cursor"}:
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if cursor{"cursorType"}.getStr == "Bottom":
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result.bottom = cursor{"value"}.getStr
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else:
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result.top = cursor{"value"}.getStr
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proc parsePhotoRail*(js: JsonNode): PhotoRail =
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for tweet in js:
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let
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t = parseTweet(tweet, js{"card"})
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url = if t.photos.len > 0: t.photos[0]
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elif t.video.isSome: get(t.video).thumb
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elif t.gif.isSome: get(t.gif).thumb
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elif t.card.isSome: get(t.card).image
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else: ""
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if url.len == 0: continue
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result.add GalleryPhoto(url: url, tweetId: $t.id)
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proc parseGraphTweet(js: JsonNode): Tweet =
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if js.kind == JNull:
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return Tweet()
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case js{"__typename"}.getStr
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of "TweetUnavailable":
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return Tweet()
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of "TweetTombstone":
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return Tweet(text: js{"tombstone", "text"}.getTombstone)
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of "TweetPreviewDisplay":
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return Tweet(text: "You're unable to view this Tweet because it's only available to the Subscribers of the account owner.")
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of "TweetWithVisibilityResults":
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return parseGraphTweet(js{"tweet"})
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var jsCard = copy(js{"card", "legacy"})
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if jsCard.kind != JNull:
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var values = newJObject()
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for val in jsCard["binding_values"]:
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values[val["key"].getStr] = val["value"]
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jsCard["binding_values"] = values
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result = parseTweet(js{"legacy"}, jsCard)
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result.user = parseGraphUser(js{"core"})
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with noteTweet, js{"note_tweet", "note_tweet_results", "result"}:
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result.expandNoteTweetEntities(noteTweet)
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if result.quote.isSome:
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result.quote = some(parseGraphTweet(js{"quoted_status_result", "result"}))
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proc parseGraphThread(js: JsonNode): tuple[thread: Chain; self: bool] =
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let thread = js{"content", "items"}
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for t in js{"content", "items"}:
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let entryId = t{"entryId"}.getStr
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if "cursor-showmore" in entryId:
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let cursor = t{"item", "itemContent", "value"}
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result.thread.cursor = cursor.getStr
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result.thread.hasMore = true
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elif "tweet" in entryId:
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let tweet = parseGraphTweet(t{"item", "itemContent", "tweet_results", "result"})
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result.thread.content.add tweet
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if t{"item", "itemContent", "tweetDisplayType"}.getStr == "SelfThread":
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result.self = true
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proc parseGraphTweetResult*(js: JsonNode): Tweet =
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with tweet, js{"data", "tweetResult", "result"}:
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result = parseGraphTweet(tweet)
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proc parseGraphConversation*(js: JsonNode; tweetId: string): Conversation =
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result = Conversation(replies: Result[Chain](beginning: true))
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let instructions = ? js{"data", "threaded_conversation_with_injections", "instructions"}
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if instructions.len == 0:
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return
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for e in instructions[0]{"entries"}:
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let entryId = e{"entryId"}.getStr
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# echo entryId
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if entryId.startsWith("tweet"):
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with tweetResult, e{"content", "itemContent", "tweet_results", "result"}:
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let tweet = parseGraphTweet(tweetResult)
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if not tweet.available:
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tweet.id = parseBiggestInt(entryId.getId())
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if $tweet.id == tweetId:
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result.tweet = tweet
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else:
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result.before.content.add tweet
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elif entryId.startsWith("tombstone"):
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let id = entryId.getId()
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let tweet = Tweet(
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id: parseBiggestInt(id),
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available: false,
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text: e{"content", "itemContent", "tombstoneInfo", "richText"}.getTombstone
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)
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if id == tweetId:
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result.tweet = tweet
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else:
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result.before.content.add tweet
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elif entryId.startsWith("conversationthread"):
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let (thread, self) = parseGraphThread(e)
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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 entryId.startsWith("cursor-bottom"):
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result.replies.bottom = e{"content", "itemContent", "value"}.getStr
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proc parseGraphTimeline*(js: JsonNode; root: string; after=""): Timeline =
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result = Timeline(beginning: after.len == 0)
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let instructions =
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if root == "list": ? js{"data", "list", "tweets_timeline", "timeline", "instructions"}
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else: ? js{"data", "user", "result", "timeline_v2", "timeline", "instructions"}
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if instructions.len == 0:
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return
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for i in instructions:
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if i{"type"}.getStr == "TimelineAddEntries":
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for e in i{"entries"}:
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let entryId = e{"entryId"}.getStr
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if entryId.startsWith("tweet"):
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with tweetResult, e{"content", "itemContent", "tweet_results", "result"}:
|
|
let tweet = parseGraphTweet(tweetResult)
|
|
if not tweet.available:
|
|
tweet.id = parseBiggestInt(entryId.getId())
|
|
result.content.add tweet
|
|
elif entryId.startsWith("cursor-bottom"):
|
|
result.bottom = e{"content", "value"}.getStr
|
|
|
|
proc parseGraphSearch*(js: JsonNode; after=""): Timeline =
|
|
result = Timeline(beginning: after.len == 0)
|
|
|
|
let instructions = js{"data", "search_by_raw_query", "search_timeline", "timeline", "instructions"}
|
|
if instructions.len == 0:
|
|
return
|
|
|
|
for instruction in instructions:
|
|
let typ = instruction{"type"}.getStr
|
|
if typ == "TimelineAddEntries":
|
|
for e in instructions[0]{"entries"}:
|
|
let entryId = e{"entryId"}.getStr
|
|
if entryId.startsWith("tweet"):
|
|
with tweetResult, e{"content", "itemContent", "tweet_results", "result"}:
|
|
let tweet = parseGraphTweet(tweetResult)
|
|
if not tweet.available:
|
|
tweet.id = parseBiggestInt(entryId.getId())
|
|
result.content.add tweet
|
|
elif entryId.startsWith("cursor-bottom"):
|
|
result.bottom = e{"content", "value"}.getStr
|
|
elif typ == "TimelineReplaceEntry":
|
|
if instruction{"entry_id_to_replace"}.getStr.startsWith("cursor-bottom"):
|
|
result.bottom = instruction{"entry", "content", "value"}.getStr
|