1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
def fetch_channel_playlists(ucid, author, continuation, sort_by)
if continuation
response_json = YoutubeAPI.browse(continuation)
continuation_items = response_json["onResponseReceivedActions"]?
.try &.[0]["appendContinuationItemsAction"]["continuationItems"]
return [] of SearchItem, nil if !continuation_items
items = [] of SearchItem
continuation_items.as_a.select(&.as_h.has_key?("gridPlaylistRenderer")).each { |item|
extract_item(item, author, ucid).try { |t| items << t }
}
continuation = continuation_items.as_a.last["continuationItemRenderer"]?
.try &.["continuationEndpoint"]["continuationCommand"]["token"].as_s
else
url = "/channel/#{ucid}/playlists?flow=list&view=1"
case sort_by
when "last", "last_added"
#
when "oldest", "oldest_created"
url += "&sort=da"
when "newest", "newest_created"
url += "&sort=dd"
else nil # Ignore
end
response = YT_POOL.client &.get(url)
initial_data = extract_initial_data(response.body)
return [] of SearchItem, nil if !initial_data
items = extract_items(initial_data, author, ucid)
continuation = response.body.match(/"token":"(?<continuation>[^"]+)"/).try &.["continuation"]?
end
return items, continuation
end
# ## NOTE: DEPRECATED
# Reason -> Unstable
# The Protobuf object must be provided with an id of the last playlist from the current "page"
# in order to fetch the next one accurately
# (if the id isn't included, entries shift around erratically between pages,
# leading to repetitions and skip overs)
#
# Since it's impossible to produce the appropriate Protobuf without an id being provided by the user,
# it's better to stick to continuation tokens provided by the first request and onward
def produce_channel_playlists_url(ucid, cursor, sort = "newest", auto_generated = false)
object = {
"80226972:embedded" => {
"2:string" => ucid,
"3:base64" => {
"2:string" => "playlists",
"6:varint" => 2_i64,
"7:varint" => 1_i64,
"12:varint" => 1_i64,
"13:string" => "",
"23:varint" => 0_i64,
},
},
}
if cursor
cursor = Base64.urlsafe_encode(cursor, false) if !auto_generated
object["80226972:embedded"]["3:base64"].as(Hash)["15:string"] = cursor
end
if auto_generated
object["80226972:embedded"]["3:base64"].as(Hash)["4:varint"] = 0x32_i64
else
object["80226972:embedded"]["3:base64"].as(Hash)["4:varint"] = 1_i64
case sort
when "oldest", "oldest_created"
object["80226972:embedded"]["3:base64"].as(Hash)["3:varint"] = 2_i64
when "newest", "newest_created"
object["80226972:embedded"]["3:base64"].as(Hash)["3:varint"] = 3_i64
when "last", "last_added"
object["80226972:embedded"]["3:base64"].as(Hash)["3:varint"] = 4_i64
else nil # Ignore
end
end
object["80226972:embedded"]["3:string"] = Base64.urlsafe_encode(Protodec::Any.from_json(Protodec::Any.cast_json(object["80226972:embedded"]["3:base64"])))
object["80226972:embedded"].delete("3:base64")
continuation = object.try { |i| Protodec::Any.cast_json(i) }
.try { |i| Protodec::Any.from_json(i) }
.try { |i| Base64.urlsafe_encode(i) }
.try { |i| URI.encode_www_form(i) }
return "/browse_ajax?continuation=#{continuation}&gl=US&hl=en"
end
|
