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101 lines
3.0 KiB
Lua
101 lines
3.0 KiB
Lua
-- need low-level mechanism to detect android to avoid recursive dependency
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local isAndroid, android = pcall(require, "android")
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local lfs = require("libs/libkoreader-lfs")
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local DataStorage = {}
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local data_dir
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local full_data_dir
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function DataStorage:getDataDir()
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if data_dir then return data_dir end
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if isAndroid then
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data_dir = android.getExternalStoragePath() .. "/koreader"
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elseif os.getenv("UBUNTU_APPLICATION_ISOLATION") then
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local app_id = os.getenv("APP_ID")
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local package_name = app_id:match("^(.-)_")
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-- confined ubuntu app has write access to this dir
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data_dir = string.format("%s/%s", os.getenv("XDG_DATA_HOME"), package_name)
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elseif os.getenv("APPIMAGE") or os.getenv("KO_MULTIUSER") then
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if os.getenv("XDG_CONFIG_HOME") then
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data_dir = string.format("%s/%s", os.getenv("XDG_CONFIG_HOME"), "koreader")
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if lfs.attributes(os.getenv("XDG_CONFIG_HOME"), "mode") ~= "directory" then
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lfs.mkdir(os.getenv("XDG_CONFIG_HOME"))
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end
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else
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local user_rw = string.format("%s/%s", os.getenv("HOME"), jit.os == "OSX" and "Library/Application Support" or ".config")
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if lfs.attributes(user_rw, "mode") ~= "directory" then
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lfs.mkdir(user_rw)
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end
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data_dir = string.format("%s/%s", user_rw, "koreader")
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end
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else
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data_dir = "."
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end
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if lfs.attributes(data_dir, "mode") ~= "directory" then
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local ok, err = lfs.mkdir(data_dir)
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if not ok then error(err .. " " .. data_dir) end
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end
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return data_dir
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end
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function DataStorage:getHistoryDir()
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return self:getDataDir() .. "/history"
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end
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function DataStorage:getSettingsDir()
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return self:getDataDir() .. "/settings"
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end
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function DataStorage:getDocSettingsDir()
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return self:getDataDir() .. "/docsettings"
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end
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function DataStorage:getDocSettingsHashDir()
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return self:getDataDir() .. "/hashdocsettings"
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end
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function DataStorage:getFullDataDir()
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if full_data_dir then return full_data_dir end
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if string.sub(self:getDataDir(), 1, 1) == "/" then
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full_data_dir = self:getDataDir()
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elseif self:getDataDir() == "." then
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full_data_dir = lfs.currentdir()
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end
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return full_data_dir
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end
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local function initDataDir()
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local sub_data_dirs = {
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"cache",
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"clipboard",
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"data",
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"data/dict",
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"data/tessdata",
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-- "docsettings", -- created when needed
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-- "hashdocsettings", -- created when needed
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-- "history", -- legacy/obsolete sidecar files
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"ota",
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-- "patches", -- must be created manually by the interested user
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"plugins",
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"screenshots",
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"settings",
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"styletweaks",
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}
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local datadir = DataStorage:getDataDir()
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for _, dir in ipairs(sub_data_dirs) do
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local sub_data_dir = string.format("%s/%s", datadir, dir)
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if lfs.attributes(sub_data_dir, "mode") ~= "directory" then
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lfs.mkdir(sub_data_dir)
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end
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end
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end
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initDataDir()
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return DataStorage
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