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50 lines
1.2 KiB
Lua
50 lines
1.2 KiB
Lua
local json = require("json")
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-- json exporter
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local JsonExporter = require("base"):new {
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name = "json",
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}
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local function format(booknotes)
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local t = {
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title = booknotes.title,
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author = booknotes.author,
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entries = {},
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exported = booknotes.exported,
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file = booknotes.file
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}
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for _, entry in ipairs(booknotes) do
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table.insert(t.entries, entry[1])
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end
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return t
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end
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function JsonExporter:export(t)
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local exportable
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local timestamp = self.timestamp or os.time()
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local path = self:getFilePath(t)
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if #t == 1 then
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exportable = format(t[1])
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exportable.created_on = timestamp
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exportable.version = self:getVersion()
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else
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local documents = {}
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for _, booknotes in ipairs(t) do
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table.insert(documents, format(booknotes))
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end
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exportable = {
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created_on = timestamp,
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version = self:getVersion(),
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documents = documents
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}
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end
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local file = io.open(path, "w")
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if not file then return false end
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file:write(json.encode(exportable))
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file:write("\n")
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file:close()
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return true
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end
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return JsonExporter
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