mirror of
https://github.com/koreader/koreader.git
synced 2025-08-10 00:52:38 +00:00
3c2353e439
It's extremely confusing, as it has nothing to do with calibre catalogs, which are actual things the user can generate manually. What it's using instead is actually a metadata cache in a flatfile db that's always present, as long as "Send To Device" was used to upload the content to the device.
690 lines
28 KiB
Lua
690 lines
28 KiB
Lua
local CenterContainer = require("ui/widget/container/centercontainer")
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local DocumentRegistry = require("document/documentregistry")
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local Font = require("ui/font")
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local InputDialog = require("ui/widget/inputdialog")
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local InfoMessage = require("ui/widget/infomessage")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local Menu = require("ui/widget/menu")
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local Screen = require("device").screen
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local UIManager = require("ui/uimanager")
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local lfs = require("libs/libkoreader-lfs")
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local logger = require("logger")
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local FFIUtil = require("ffi/util")
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local util = require("util")
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local _ = require("gettext")
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local T = require("ffi/util").template
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local calibre = "metadata.calibre"
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local koreaderfile = "temp/metadata.koreader"
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local Search = InputContainer:new{
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search_dialog = nil,
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title = 1,
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authors = 2,
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authors2 = 3,
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path = 4,
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series = 5,
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series_index = 6,
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tags = 7,
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tags2 = 8,
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tags3 = 9,
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count = 0,
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data = {},
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results = {},
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browse_tags = {},
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browse_series = {},
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error = nil,
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use_previous_search_results = false,
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lastsearch = nil,
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use_own_metadata_file = false,
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metafile_1 = nil,
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metafile_2 = nil,
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}
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local function findcalibre(root)
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local t = nil
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-- protect lfs.dir which will raise error on no-permission directory
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local ok, iter, dir_obj = pcall(lfs.dir, root)
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if ok then
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for entity in iter, dir_obj do
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if t then
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break
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else
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if entity ~= "." and entity ~= ".." then
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local fullPath=root .. "/" .. entity
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local mode = lfs.attributes(fullPath, "mode")
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if mode == "file" then
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if entity == calibre or entity == "." .. calibre then
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t = root .. "/" .. entity
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-- If we got so far, SEARCH_LIBRARY_PATH is either empty or bogus, so, re-set it,
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-- so that we actually can convert a book's relative path to its absolute path.
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-- NOTE: No-one should actually rely on that, as the value is *NEVER* saved to the defaults.
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-- (SetDefaults can only do that with values modified from within its own advanced menu).
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_G['SEARCH_LIBRARY_PATH'] = root .. "/"
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logger.info("FMSearch: Found a SEARCH_LIBRARY_PATH @", SEARCH_LIBRARY_PATH)
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end
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elseif mode == "directory" then
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t = findcalibre(fullPath)
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end
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end
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end
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end
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end
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return t
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end
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function Search:getCalibre()
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-- check if we find the calibre file
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-- check 1st file
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if SEARCH_LIBRARY_PATH == nil then
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logger.dbg("search Calibre database")
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self.metafile_1 = findcalibre("/mnt")
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if not self.metafile_1 then
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self.error = _("The SEARCH_LIBRARY_PATH variable must be defined in 'persistent.defaults.lua' in order to use the calibre file search functionality.")
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end
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else
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if string.sub(SEARCH_LIBRARY_PATH, string.len(SEARCH_LIBRARY_PATH)) ~= "/" then
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_G['SEARCH_LIBRARY_PATH'] = SEARCH_LIBRARY_PATH .. "/"
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end
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if io.open(SEARCH_LIBRARY_PATH .. calibre, "r") == nil then
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if io.open(SEARCH_LIBRARY_PATH .. "." .. calibre, "r") == nil then
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self.error = SEARCH_LIBRARY_PATH .. calibre .. " " .. _("not found.")
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logger.err(self.error)
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else
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self.metafile_1 = SEARCH_LIBRARY_PATH .. "." .. calibre
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end
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else
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self.metafile_1 = SEARCH_LIBRARY_PATH .. calibre
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end
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if not (SEARCH_AUTHORS or SEARCH_TITLE or SEARCH_PATH or SEARCH_SERIES or SEARCH_TAGS) then
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self.metafile_1 = nil
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UIManager:show(InfoMessage:new{text = _("You must specify at least one field to search at! (SEARCH_XXX = true in defaults.lua)")})
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elseif self.metafile_1 == nil then
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self.metafile_1 = findcalibre("/mnt")
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end
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end
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-- check 2nd file
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local dummy
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if string.sub(SEARCH_LIBRARY_PATH2, string.len(SEARCH_LIBRARY_PATH2)) ~= "/" then
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_G['SEARCH_LIBRARY_PATH2'] = SEARCH_LIBRARY_PATH2 .. "/"
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end
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if io.open(SEARCH_LIBRARY_PATH2 .. calibre, "r") == nil then
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if io.open(SEARCH_LIBRARY_PATH2 .. "." .. calibre, "r") ~= nil then
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dummy = SEARCH_LIBRARY_PATH2 .. "." .. calibre
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end
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else
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dummy = SEARCH_LIBRARY_PATH2 .. calibre
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end
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if dummy and dummy ~= self.metafile_1 then
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self.metafile_2 = dummy
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else
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self.metafile_2 = nil
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end
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-- check if they are newer than our own file
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self.use_own_metadata_file = false
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if self.metafile_1 then
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pcall(lfs.mkdir("temp"))
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if io.open(koreaderfile, "r") then
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if lfs.attributes(koreaderfile, "modification") > lfs.attributes(self.metafile_1, "modification") then
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if self.metafile_2 then
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if lfs.attributes(koreaderfile, "modification") > lfs.attributes(self.metafile_2, "modification") then
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self.use_own_metadata_file = true
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logger.info("FMSearch: Using our own simplified metadata file as it's newer than", self.metafile_2)
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end
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else
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self.use_own_metadata_file = true
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logger.info("FMSearch: Using our own simplified metadata file as it's newer than", self.metafile_1)
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end
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end
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end
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end
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end
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function Search:ShowSearch()
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if self.metafile_1 ~= nil then
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local dummy = self.search_value
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self.search_dialog = InputDialog:new{
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title = _("Search books"),
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input = self.search_value,
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buttons = {
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{
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{
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text = _("Browse series"),
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enabled = true,
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callback = function()
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self.search_value = self.search_dialog:getInputText()
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if self.search_value == dummy and self.lastsearch == "series" then
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self.use_previous_search_results = true
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else
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self.use_previous_search_results = false
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end
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self.lastsearch = "series"
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self:close()
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end,
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},
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{
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text = _("Browse tags"),
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enabled = true,
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callback = function()
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self.search_value = self.search_dialog:getInputText()
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if self.search_value == dummy and self.lastsearch == "tags" then
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self.use_previous_search_results = true
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else
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self.use_previous_search_results = false
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end
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self.lastsearch = "tags"
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self:close()
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end,
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},
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},
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{
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{
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text = _("Cancel"),
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enabled = true,
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callback = function()
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self.search_dialog:onClose()
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UIManager:close(self.search_dialog)
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end,
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},
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{
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-- @translators Search for books in calibre Library, via on-device metadata (as setup by Calibre's 'Send To Device').
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text = _("Find books"),
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enabled = true,
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callback = function()
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self.search_value = self.search_dialog:getInputText()
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if self.search_value == dummy and self.lastsearch == "find" then
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self.use_previous_search_results = true
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else
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self.use_previous_search_results = false
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end
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self.lastsearch = "find"
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self:close()
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end,
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},
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},
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},
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width = Screen:getWidth() * 0.8,
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height = Screen:getHeight() * 0.2,
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}
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UIManager:show(self.search_dialog)
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self.search_dialog:onShowKeyboard()
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else
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if self.error then
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UIManager:show(InfoMessage:new{
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text = ("%s\n%s"):format(
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self.error,
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_("Unable to find a calibre metadata file.")),
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})
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end
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end
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end
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function Search:init()
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self.error = nil
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self.data = {}
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self.results = {}
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end
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function Search:close()
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if self.search_value then
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self.search_dialog:onClose()
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UIManager:close(self.search_dialog)
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if string.len(self.search_value) > 0 or self.lastsearch ~= "find" then
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self:find(self.lastsearch)
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end
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end
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end
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function Search:find(option)
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local f
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local line
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local i = 1
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local upsearch
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local firstrun
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-- removes leading and closing characters and converts hex-unicodes
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local ReplaceHexChars = function(s, n, j)
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local l=string.len(s)
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if string.sub(s, l, l) == "\"" then
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s=string.sub(s, n, string.len(s)-1)
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else
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s=string.sub(s, n, string.len(s)-j)
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end
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s=string.gsub(s, "\\u([a-f0-9][a-f0-9][a-f0-9][a-f0-9])", function(w) return util.unicodeCodepointToUtf8(tonumber(w, 16)) end)
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return s
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end
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-- ready entries with multiple lines from calibre
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local ReadMultipleLines = function(s)
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self.data[i][s] = ""
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if s == self.authors then
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self.data[i][self.authors2] = ""
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elseif s == self.tags then
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self.data[i][self.tags2] = ""
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self.data[i][self.tags3] = ""
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end
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while line ~= " ], " and line ~= " ]" do
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line = f:read()
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if line ~= " ], " and line ~= " ]" then
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self.data[i][s] = self.data[i][s] .. "," .. ReplaceHexChars(line, 8, 3)
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if s == self.authors then
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self.data[i][self.authors2] = self.data[i][self.authors2] .. " & " .. ReplaceHexChars(line, 8, 3)
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elseif s == self.tags then
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local tags_line = ReplaceHexChars(line, 8, 3)
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self.data[i][self.tags2] = self.data[i][self.tags2] .. " & " .. tags_line
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self.data[i][self.tags3] = self.data[i][self.tags3] .. "\t" .. tags_line
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self.browse_tags[tags_line] = (self.browse_tags[tags_line] or 0) + 1
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end
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end
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end
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self.data[i][s] = string.sub(self.data[i][s], 2)
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if s == self.authors then
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self.data[i][self.authors2] = string.sub(self.data[i][self.authors2], 4)
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elseif s == self.tags then
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self.data[i][self.tags2] = string.sub(self.data[i][self.tags2], 4)
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self.data[i][self.tags3] = self.data[i][self.tags3] .. "\t"
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end
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end
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if not self.use_previous_search_results then
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self.results = {}
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self.data = {}
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self.browse_series = {}
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self.browse_tags = {}
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if SEARCH_CASESENSITIVE then
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upsearch = self.search_value or ""
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else
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upsearch = string.upper(self.search_value or "")
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end
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firstrun = true
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self.data[i] = {"-","-","-","-","-","-","-","-","-"}
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if self.use_own_metadata_file then
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local g = io.open(koreaderfile, "r")
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line = g:read()
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if line ~= "#metadata.Koreader Version 1.1" and line ~= "#metadata.koreader Version 1.1" then
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self.use_own_metadata_file = false
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g:close()
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else
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line = g:read()
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end
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if self.use_own_metadata_file then
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while line do
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for j = 1,9 do
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self.data[i][j] = line or ""
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line = g:read()
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end
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local search_content = ""
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if option == "find" and SEARCH_AUTHORS then
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search_content = search_content .. self.data[i][self.authors] .. "\n"
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end
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if option == "find" and SEARCH_TITLE then
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search_content = search_content .. self.data[i][self.title] .. "\n"
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end
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if option == "find" and SEARCH_PATH then
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search_content = search_content .. self.data[i][self.path] .. "\n"
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end
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if (option == "series" or SEARCH_SERIES) and self.data[i][self.series] ~= "-" then
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search_content = search_content .. self.data[i][self.series] .. "\n"
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self.browse_series[self.data[i][self.series]] = (self.browse_series[self.data[i][self.series]] or 0) + 1
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end
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if option == "tags" or SEARCH_TAGS then
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search_content = search_content .. self.data[i][self.tags] .. "\n"
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end
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if not SEARCH_CASESENSITIVE then search_content = string.upper(search_content) end
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for j in string.gmatch(self.data[i][self.tags3],"\t[^\t]+") do
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if j~="\t" then
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self.browse_tags[string.sub(j, 2)] = (self.browse_tags[string.sub(j, 2)] or 0) + 1
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end
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end
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-- NOTE: This skips kePubs downloaded by nickel, because they don't have a file extension,
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-- they're stored as .kobo/kepub/<UUID>
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if DocumentRegistry:hasProvider(self.data[i][self.path]) then
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if upsearch ~= "" then
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if string.find(search_content, upsearch, nil, true) then
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i = i + 1
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end
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else
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if option == "series" then
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if self.browse_series[self.data[i][self.series]] then
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i = i + 1
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end
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elseif option == "tags" then
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local found = false
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for j in string.gmatch(self.data[i][self.tags3],"\t[^\t]+") do
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if j~="\t" and self.browse_tags[string.sub(j, 2)] then
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found = true
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end
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end
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if found then
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i = i + 1
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end
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end
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end
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end
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self.data[i] = {"-","-","-","-","-","-","-","-","-"}
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end
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g.close()
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end
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end
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if not self.use_own_metadata_file then
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logger.info("FMSearch: Writing our own simplified metadata file . . .")
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local g = io.open(koreaderfile, "w")
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g:write("#metadata.koreader Version 1.1\n")
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f = io.open(self.metafile_1, "r")
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line = f:read()
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while line do
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if line == " }, " or line == " }" then
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-- new calibre data set
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local search_content = ""
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if option == "find" and SEARCH_AUTHORS then search_content = search_content .. self.data[i][self.authors] .. "\n" end
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if option == "find" and SEARCH_TITLE then search_content = search_content .. self.data[i][self.title] .. "\n" end
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if option == "find" and SEARCH_PATH then search_content = search_content .. self.data[i][self.path] .. "\n" end
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if (option == "series" or SEARCH_SERIES) and self.data[i][self.series] ~= "-" then
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search_content = search_content .. self.data[i][self.series] .. "\n"
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self.browse_series[self.data[i][self.series]] = (self.browse_series[self.data[i][self.series]] or 0) + 1
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end
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if option == "tags" or SEARCH_TAGS then search_content = search_content .. self.data[i][self.tags] .. "\n" end
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if not SEARCH_CASESENSITIVE then search_content = string.upper(search_content) end
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for j = 1,9 do
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g:write(self.data[i][j] .. "\n")
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end
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if upsearch ~= "" then
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if string.find(search_content, upsearch, nil, true) then
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i = i + 1
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end
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else
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if option == "series" then
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if self.browse_series[self.data[i][self.series]] then
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i = i + 1
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end
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elseif option == "tags" then
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local found = false
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for j in string.gmatch(self.data[i][self.tags3], "\t[^\t]+") do
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if j~="\t" and self.browse_tags[string.sub(j, 2)] then
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found = true
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end
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end
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if found then
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i = i + 1
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end
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end
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end
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self.data[i] = {"-","-","-","-","-","-","-","-","-"}
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elseif line == " \"authors\": [" then -- AUTHORS
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ReadMultipleLines(self.authors)
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elseif line == " \"tags\": [" then -- TAGS
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ReadMultipleLines(self.tags)
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elseif string.sub(line, 1, 11) == " \"title\"" then -- TITLE
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self.data[i][self.title] = ReplaceHexChars(line, 15, 3)
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elseif string.sub(line, 1, 11) == " \"lpath\"" then -- LPATH
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self.data[i][self.path] = ReplaceHexChars(line, 15, 3)
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if firstrun then
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self.data[i][self.path] = SEARCH_LIBRARY_PATH .. self.data[i][self.path]
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else
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self.data[i][self.path] = SEARCH_LIBRARY_PATH2 .. self.data[i][self.path]
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end
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elseif string.sub(line, 1, 12) == " \"series\"" and line ~= " \"series\": null, " then -- SERIES
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self.data[i][self.series] = ReplaceHexChars(line, 16, 3)
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elseif string.sub(line, 1, 18) == " \"series_index\"" and line ~= " \"series_index\": null, " then -- SERIES_INDEX
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self.data[i][self.series_index] = ReplaceHexChars(line, 21, 2)
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end
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line = f:read()
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if not line and firstrun then
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if f ~= nil then f:close() end
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firstrun = false
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if self.metafile_2 then
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f = io.open(self.metafile_2, "r")
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line = f:read()
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end
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end
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end
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g.close()
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if lfs.attributes(koreaderfile, "modification") < lfs.attributes(self.metafile_1, "modification") then
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lfs.touch(koreaderfile,
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|
lfs.attributes(self.metafile_1, "modification") + 1,
|
|
lfs.attributes(self.metafile_1, "modification") + 1)
|
|
end
|
|
if self.metafile_2 then
|
|
if lfs.attributes(koreaderfile, "modification") < lfs.attributes(self.metafile_2, "modification") then
|
|
lfs.touch(koreaderfile, lfs.attributes(self.metafile_2, "modification") + 1, lfs.attributes(self.metafile_2, "modification") + 1)
|
|
end
|
|
end
|
|
end
|
|
i = i - 1
|
|
self.count = i
|
|
end
|
|
if self.count > 0 then
|
|
self.data[self.count + 1] = nil
|
|
if option == "find" then
|
|
self:showresults()
|
|
else
|
|
self:browse(option,1)
|
|
end
|
|
else
|
|
UIManager:show(InfoMessage:new{
|
|
text = T(_("No match for %1."), self.search_value)
|
|
})
|
|
end
|
|
end
|
|
|
|
function Search:onMenuHold(item)
|
|
if not item.info or item.info:len() <= 0 then return end
|
|
|
|
if item.notchecked then
|
|
item.info = item.info .. item.path
|
|
local f = io.open(item.path, "r")
|
|
if f == nil then
|
|
item.info = item.info .. "\n" .. _("File not found.")
|
|
else
|
|
item.info = item.info .. "\n" .. _("Size:") .. " " .. string.format("%4.1fM", lfs.attributes(item.path, "size")/1024/1024)
|
|
f:close()
|
|
end
|
|
item.notchecked = false
|
|
end
|
|
local thumbnail
|
|
local doc = DocumentRegistry:openDocument(item.path)
|
|
if doc then
|
|
if doc.loadDocument then -- CreDocument
|
|
doc:loadDocument(false) -- load only metadata
|
|
end
|
|
thumbnail = doc:getCoverPageImage()
|
|
doc:close()
|
|
end
|
|
local thumbwidth = math.min(240, Screen:getWidth()/3)
|
|
UIManager:show(InfoMessage:new{
|
|
text = item.info,
|
|
image = thumbnail,
|
|
image_width = thumbwidth,
|
|
image_height = thumbwidth/2*3
|
|
})
|
|
end
|
|
|
|
function Search:showresults()
|
|
local ReaderUI = require("apps/reader/readerui")
|
|
local menu_container = CenterContainer:new{
|
|
dimen = Screen:getSize(),
|
|
}
|
|
self.search_menu = Menu:new{
|
|
width = Screen:getWidth()-15,
|
|
height = Screen:getHeight()-15,
|
|
show_parent = menu_container,
|
|
onMenuHold = self.onMenuHold,
|
|
cface = Font:getFace("smallinfofont"),
|
|
_manager = self,
|
|
}
|
|
table.insert(menu_container, self.search_menu)
|
|
self.search_menu.close_callback = function()
|
|
UIManager:close(menu_container)
|
|
end
|
|
if not self.use_previous_search_results then
|
|
self.results = {}
|
|
local i = 1
|
|
while i <= self.count do
|
|
local dummy = T(_("Title: %1"), (self.data[i][self.title] or "-")) .. "\n \n" ..
|
|
T(_("Author(s): %1"), (self.data[i][self.authors2] or "-")) .. "\n \n" ..
|
|
T(_("Tags: %1"), (self.data[i][self.tags2] or "-")) .. "\n \n" ..
|
|
T(_("Series: %1"), (self.data[i][self.series] or "-"))
|
|
if self.data[i][self.series] ~= "-" then
|
|
dummy = dummy .. " (" .. tostring(self.data[i][self.series_index]):gsub(".0$","") .. ")"
|
|
end
|
|
dummy = dummy .. "\n \n" .. _("Path: ")
|
|
local book = self.data[i][self.path]
|
|
table.insert(self.results, {
|
|
info = dummy,
|
|
notchecked = true,
|
|
path = self.data[i][self.path],
|
|
text = self.data[i][self.authors] .. ": " .. self.data[i][self.title],
|
|
callback = function()
|
|
ReaderUI:showReader(book)
|
|
self.search_menu:onClose()
|
|
end
|
|
})
|
|
i = i + 1
|
|
end
|
|
end
|
|
table.sort(self.results, function(v1,v2) return v1.text < v2.text end)
|
|
self.search_menu:switchItemTable(_("Search Results"), self.results)
|
|
UIManager:show(menu_container)
|
|
end
|
|
|
|
function Search:browse(option, run, chosen)
|
|
local ReaderUI = require("apps/reader/readerui")
|
|
local restart_me = false
|
|
local menu_container = CenterContainer:new{
|
|
dimen = Screen:getSize(),
|
|
}
|
|
self.search_menu = Menu:new{
|
|
width = Screen:getWidth()-15,
|
|
height = Screen:getHeight()-15,
|
|
show_parent = menu_container,
|
|
onMenuHold = self.onMenuHold,
|
|
cface = Font:getFace("smallinfofont"),
|
|
_manager = self,
|
|
}
|
|
table.insert(menu_container, self.search_menu)
|
|
|
|
self.search_menu.close_callback = function()
|
|
UIManager:close(menu_container)
|
|
if restart_me then
|
|
if string.len(self.search_value) > 0 or self.lastsearch ~= "find" then
|
|
self.use_previous_search_results = true
|
|
self:getCalibre(1)
|
|
self:find(self.lastsearch)
|
|
end
|
|
end
|
|
|
|
end
|
|
local upsearch
|
|
local dummy
|
|
if SEARCH_CASESENSITIVE then
|
|
upsearch = self.search_value or ""
|
|
else
|
|
upsearch = string.upper(self.search_value or "")
|
|
end
|
|
|
|
if run == 1 then
|
|
self.results = {}
|
|
if option == "series" then
|
|
for v,n in FFIUtil.orderedPairs(self.browse_series) do
|
|
dummy = v
|
|
if not SEARCH_CASESENSITIVE then dummy = string.upper(dummy) end
|
|
if string.find(dummy, upsearch, nil, true) then
|
|
table.insert(self.results, {
|
|
text = v .. " (" .. tostring(self.browse_series[v]) .. ")",
|
|
callback = function()
|
|
self:browse(option,2,v)
|
|
end
|
|
})
|
|
end
|
|
end
|
|
else
|
|
for v,n in FFIUtil.orderedPairs(self.browse_tags) do
|
|
dummy = v
|
|
if not SEARCH_CASESENSITIVE then dummy = string.upper(dummy) end
|
|
if string.find(dummy, upsearch, nil, true) then
|
|
table.insert(self.results, {
|
|
text = v .. " (" .. tostring(self.browse_tags[v]) .. ")",
|
|
callback = function()
|
|
self:browse(option,2,v)
|
|
end
|
|
})
|
|
end
|
|
end
|
|
end
|
|
else
|
|
restart_me = true
|
|
self.results = {}
|
|
local i = 1
|
|
while i <= self.count do
|
|
if (option == "tags" and self.data[i][self.tags3]:find("\t" .. chosen .. "\t",nil,true)) or (option == "series" and chosen == self.data[i][self.series]) then
|
|
local entry = T(_("Title: %1"), (self.data[i][self.title] or "-")) .. "\n \n" ..
|
|
T(_("Author(s): %1"), (self.data[i][self.authors2] or "-")) .. "\n \n" ..
|
|
T(_("Tags: %1"), (self.data[i][self.tags2] or "-")) .. "\n \n" ..
|
|
T(_("Series: %1"), (self.data[i][self.series] or "-"))
|
|
if self.data[i][self.series] ~= "-" then
|
|
entry = entry .. " (" .. tostring(self.data[i][self.series_index]):gsub(".0$","") .. ")"
|
|
end
|
|
entry = entry .. "\n \n" .. _("Path: ")
|
|
local book = self.data[i][self.path]
|
|
local text
|
|
if option == "series" then
|
|
if self.data[i][self.series_index] == "0.0" then
|
|
text = self.data[i][self.title] .. " (" .. self.data[i][self.authors] .. ")"
|
|
else
|
|
text = string.format("%6.1f", self.data[i][self.series_index]:gsub(".0$","")) .. ": " .. self.data[i][self.title] .. " (" .. self.data[i][self.authors] .. ")"
|
|
end
|
|
else
|
|
text = self.data[i][self.authors] .. ": " .. self.data[i][self.title]
|
|
end
|
|
table.insert(self.results, {
|
|
text = text,
|
|
info = entry,
|
|
notchecked = true,
|
|
path = self.data[i][self.path],
|
|
callback = function()
|
|
ReaderUI:showReader(book)
|
|
self.search_menu:onClose()
|
|
end
|
|
})
|
|
end
|
|
i = i + 1
|
|
end
|
|
end
|
|
|
|
local menu_title
|
|
if run == 1 then
|
|
menu_title = _("Browse") .. " " .. option
|
|
else
|
|
menu_title = chosen
|
|
end
|
|
|
|
table.sort(self.results, function(v1,v2) return v1.text < v2.text end)
|
|
|
|
self.search_menu:switchItemTable(menu_title, self.results)
|
|
UIManager:show(menu_container)
|
|
end
|
|
|
|
return Search
|