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Initial work on title signature

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This commit is contained in:
Alex Ling 2021-01-14 08:23:39 +00:00
parent 44336c546a
commit 18e8e88c66
1 changed files with 8 additions and 1 deletions
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9
src/library/title.cr
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@ -3,7 +3,7 @@ require "../archive"
class Title
getter dir : String, parent_id : String, title_ids : Array(String),
entries : Array(Entry), title : String, id : String,
encoded_title : String, mtime : Time
encoded_title : String, mtime : Time, signature : UInt64 = 0
@entry_display_name_cache : Hash(String, String)?
@ -25,6 +25,8 @@ class Title
@entries = [] of Entry
@mtime = File.info(dir).modification_time
signatures = [] of UInt64
Dir.entries(dir).each do |fn|
next if fn.starts_with? "."
path = File.join dir, fn
@ -33,14 +35,18 @@ class Title
next if title.entries.size == 0 && title.titles.size == 0
Library.default.title_hash[title.id] = title
@title_ids << title.id
signatures << title.signature
next
end
if [".zip", ".cbz", ".rar", ".cbr"].includes? File.extname path
entry = Entry.new path, self
@entries << entry if entry.pages > 0 || entry.err_msg
signatures << File.size entry.zip_path
end
end
@signature = Digest::CRC32.checksum(signatures.sort.join "").to_u64
mtimes = [@mtime]
mtimes += @title_ids.map { |e| Library.default.title_hash[e].mtime }
mtimes += @entries.map { |e| e.mtime }
@ -61,6 +67,7 @@ class Title
{% for str in ["dir", "title", "id"] %}
json.field {{str}}, @{{str.id}}
{% end %}
json.field "signature" { json.number @signature }
json.field "display_name", display_name
json.field "cover_url", cover_url
json.field "mtime" { json.number @mtime.to_unix }