mirror of https://github.com/koreader/koreader
Search Calibre metadata to open a book
WS64
10 years ago
parent
b76307ce4a
commit
874f2461af
@ -0,0 +1,235 @@
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local InfoMessage = require("ui/widget/infomessage")
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local UIManager = require("ui/uimanager")
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local _ = require("gettext")
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local InputContainer = require("ui/widget/container/inputcontainer")
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local InputDialog = require("ui/widget/inputdialog")
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local CenterContainer = require("ui/widget/container/centercontainer")
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local Screen = require("ui/screen")
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local Menu = require("ui/widget/menu")
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local Search = InputContainer:new{
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calibrefile=nil,
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search_dialog=nil,
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authors = 1,
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title = 2,
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path = 3,
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tags = 4,
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series = 5,
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count = 0,
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data = {},
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results = {},
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}
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function Search:init()
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self.data = {}
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self.results = {}
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-- check if we find the calibre file
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if LIBRARY_PATH == nil then
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UIManager:show(InfoMessage:new{text = _("LIBRARY_PATH in DEFAULTS.LUA is not set!"),})
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else
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if string.sub(LIBRARY_PATH,string.len(LIBRARY_PATH)) ~= "/" then
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LIBRARY_PATH = LIBRARY_PATH .. "/"
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end
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if io.open(LIBRARY_PATH .. "metadata.calibre","r") == nil then
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if io.open(LIBRARY_PATH .. ".metadata.calibre","r") == nil then
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UIManager:show(InfoMessage:new{text = _(LIBRARY_PATH .. "metadata.calibre not found!")})
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else
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self.calibrefile = LIBRARY_PATH .. ".metadata.calibre"
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end
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else
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self.calibrefile = LIBRARY_PATH .. "metadata.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.calibrefile = 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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end
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end
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if self.calibrefile ~= nil then
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local dummy = ""
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if SEARCH_CASESENSITIVE then
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dummy = "case sensitive)"
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else
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dummy = "case insensitive)"
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end
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self.search_dialog = InputDialog:new{
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title = _("Search Books (" .. dummy),
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buttons = {
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{
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{
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text = _("Find"),
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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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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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self.search_dialog:onShowKeyboard()
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UIManager:show(self.search_dialog)
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end
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end
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function Search:close()
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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 then
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self:find()
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end
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end
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function Search:find()
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local f = io.open(self.calibrefile)
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local line = f:read()
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local i = 1
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local upsearch
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local dummy
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-- removes leading and closing characters and converts hex-unicodes
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local ReplaceHexChars = function(s,n)
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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)-3)
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end
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-- todo: identify \uXXXX values and enter. Better solution: Find a better way how to replace hex-unicodes with \XXX\XXX constructs
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-- s=string.gsub(s,"\\","\195\160") -- à
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-- s=string.gsub(s,"\\","\195\178") -- ò
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-- s=string.gsub(s,"\\","\195\168") -- è
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-- s=string.gsub(s,"\\","\195\172") -- ì
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-- s=string.gsub(s,"\\","\195\185") -- ù
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-- s=string.gsub(s,"\\","\195\161") -- á
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-- s=string.gsub(s,"\\","\195\179") -- ó
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-- s=string.gsub(s,"\\","\195\169") -- é
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-- s=string.gsub(s,"\\","\195\173") -- í
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-- s=string.gsub(s,"\\","\195\186") -- ú
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-- s=string.gsub(s,"\\","\195\162") -- â
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-- s=string.gsub(s,"\\","\195\180") -- ô
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-- s=string.gsub(s,"\\","\195\170") -- ê
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-- s=string.gsub(s,"\\","\195\174") -- î
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-- s=string.gsub(s,"\\","\195\187") -- û
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-- s=string.gsub(s,"\\","\195\163") -- ã
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-- s=string.gsub(s,"\\","\195\181") -- õ
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-- s=string.gsub(s,"\\","\195\171") -- ë
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-- s=string.gsub(s,"\\","\195\175") -- ï
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-- s=string.gsub(s,"\\","\195\166") -- æ
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-- s=string.gsub(s,"\\","\195\184 ") -- ø
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-- s=string.gsub(s,"\\","\195\167") -- ç
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-- s=string.gsub(s,"\\","\195\177") -- ñ
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s=string.gsub(s,"\\u00c4","\195\132") -- Ä
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s=string.gsub(s,"\\u00d6","\195\150") -- Ö
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s=string.gsub(s,"\\u00dc","\195\156") -- Ü
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s=string.gsub(s,"\\u00e4","\195\164") -- ä
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s=string.gsub(s,"\\u00fc","\195\188") -- ü
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s=string.gsub(s,"\\u00f6","\195\182") -- ö
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s=string.gsub(s,"\\u00df","\195\159") -- ß
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s=string.gsub(s,"\\u2019","'") -- '
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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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while line ~= " ], " do
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line = f:read()
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if line ~= " ], " then
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self.data[i][s]=self.data[i][s] .. "," .. ReplaceHexChars(line,8)
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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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end
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if SEARCH_CASESENSITIVE then
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upsearch = self.search_value
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else
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upsearch = string.upper(self.search_value)
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end
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self.data[i] = {"","","","",""}
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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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dummy = ""
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if SEARCH_AUTHORS then dummy = dummy .. self.data[i][self.authors] end
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if SEARCH_TITLE then dummy = dummy .. self.data[i][self.title] end
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if SEARCH_PATH then dummy = dummy .. self.data[i][self.path] end
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if SEARCH_SERIES then dummy = dummy .. self.data[i][self.series] end
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if SEARCH_TAGS then dummy = dummy .. self.data[i][self.tags] end
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if not SEARCH_CASESENSITIVE then dummy = string.upper(dummy) end
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if string.find(dummy,upsearch) then
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i = i + 1
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self.data[i] = {"","","","",""}
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end
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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)
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elseif string.sub(line,1,11) == " \"lpath\"" then -- LPATH
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self.data[i][self.path] = string.sub(line,15,string.len(line)-3)
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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)
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end
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line = f:read()
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end
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i = i - 1
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if i > 0 then
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self.count = i
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self:showresults()
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else
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UIManager:show(InfoMessage:new{text = _("No match for " .. self.search_value)})
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end
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end
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function Search:showresults()
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local menu_container = CenterContainer:new{
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dimen = Screen:getSize(),
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}
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self.search_menu = Menu:new{
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width = Screen:getWidth()-50,
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height = Screen:getHeight()-50,
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show_parent = menu_container,
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_manager = self,
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}
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table.insert(menu_container, self.search_menu)
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self.search_menu.close_callback = function()
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UIManager:close(menu_container)
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end
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local i = 1
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while i <= self.count do
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local book = LIBRARY_PATH .. self.data[i][self.path]
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table.insert(self.results, {
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text = self.data[i][self.authors] .. ": " .. self.data[i][self.title],
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callback = function()
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if book then
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showReaderUI(book)
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end
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end
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})
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i = i + 1
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end
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self.search_menu:swithItemTable("Search Results", self.results)
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UIManager:show(menu_container)
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end
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return Search
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