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Statistics: Guard against ReaderView's state.page being nil

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For... whatever reason? I can't really see that happening, but, oh,
well.

Screensaver already guards against it, so, who knows.

Fix #8201
This commit is contained in:
NiLuJe
2021-09-11 20:17:18 +02:00
parent 3955f83019
commit 9a7450ea5f
1 changed files with 1 additions and 1 deletions
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plugins/statistics.koplugin/main.lua
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@@ -1313,7 +1313,7 @@ function ReaderStatistics:getCurrentStat(id_book)
self.data.pages = self.view.document:getPageCount()
total_time_book = tonumber(total_time_book)
total_read_pages = tonumber(total_read_pages)
local time_to_read = (self.data.pages - self.view.state.page) * self.avg_time
local time_to_read = self.view.state.page and ((self.data.pages - self.view.state.page) * self.avg_time) or 0
local estimate_days_to_read = math.ceil(time_to_read/(book_read_time/tonumber(total_days)))
local estimate_end_of_read_date = os.date("%Y-%m-%d", tonumber(now_ts + estimate_days_to_read * 86400))
local estimates_valid = time_to_read > 0 -- above values could be 'nan' and 'nil'