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Prevent creating empty sidecar directories

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This commit is contained in:
poire-z
2017-07-14 11:45:39 +02:00
committed by Frans de Jonge
parent 17656778b1
commit dffa2f2563
1 changed files with 26 additions and 22 deletions
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48
frontend/apps/filemanager/filemanagerbookinfo.lua
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@@ -59,29 +59,33 @@ function BookInfo:show(file, book_props)
-- book_props may be provided if caller already has them available
-- but it may lack 'pages', that we may get from sidecar file
if not book_props or not book_props.pages then
local doc_settings = DocSettings:open(file)
if doc_settings then
if not book_props then
-- Files opened after 20170701 have a 'doc_props' setting with
-- complete metadata and 'doc_pages' with accurate nb of pages
book_props = doc_settings:readSetting('doc_props')
end
if not book_props then
-- File last opened before 20170701 may have a 'stats' setting
-- with partial metadata, or empty metadata if statistics plugin
-- was not enabled when book was read (we can guess that from
-- the fact that stats.page = 0)
local stats = doc_settings:readSetting('stats')
if stats and stats.pages ~= 0 then
-- Let's use them as is (which was what was done before), even if
-- incomplete, to avoid expensive book opening
book_props = stats
-- check there is actually a sidecar file before calling DocSettings:open()
-- that would create an empty sidecar directory
if DocSettings:hasSidecarFile(file) then
local doc_settings = DocSettings:open(file)
if doc_settings then
if not book_props then
-- Files opened after 20170701 have a 'doc_props' setting with
-- complete metadata and 'doc_pages' with accurate nb of pages
book_props = doc_settings:readSetting('doc_props')
end
if not book_props then
-- File last opened before 20170701 may have a 'stats' setting
-- with partial metadata, or empty metadata if statistics plugin
-- was not enabled when book was read (we can guess that from
-- the fact that stats.page = 0)
local stats = doc_settings:readSetting('stats')
if stats and stats.pages ~= 0 then
-- Let's use them as is (which was what was done before), even if
-- incomplete, to avoid expensive book opening
book_props = stats
end
end
-- Files opened after 20170701 have an accurate 'doc_pages' setting
local doc_pages = doc_settings:readSetting('doc_pages')
if doc_pages and book_props then
book_props.pages = doc_pages
end
end
-- Files opened after 20170701 have an accurate 'doc_pages' setting
local doc_pages = doc_settings:readSetting('doc_pages')
if doc_pages and book_props then
book_props.pages = doc_pages
end
end
end