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Made timer plugin use sqlite3 (nw)

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This commit is contained in:
Miodrag Milanovic 2016-11-08 09:52:10 +01:00
parent a4daf9bf3d
commit 99df581038
1 changed files with 41 additions and 31 deletions
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72
plugins/timer/init.lua
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@ -1,9 +1,10 @@
-- license:BSD-3-Clause
-- copyright-holders:Carl
require('lfs')
local sqlite3 = require('lsqlite3')
local exports = {}
exports.name = "timer"
exports.version = "0.0.1"
exports.version = "0.0.2"
exports.description = "Game play timer"
exports.license = "The BSD 3-Clause License"
exports.author = { name = "Carl" }
@ -11,35 +12,28 @@ exports.author = { name = "Carl" }
local timer = exports
function timer.startplugin()
local timer_path = "timer"
local timer_db = "timer/timer.db"
local timer_started = false
local total_time = 0
local start_time = 0
local play_count = 0
local function get_filename()
local path
if emu.softname() ~= "" then
path = timer_path .. '/' .. emu.romname() .. "_" .. emu.softname() .. ".time"
else
path = timer_path .. '/' .. emu.romname() .. ".time"
end
return path
end
local function save()
total_time = total_time + (os.time() - start_time)
os.remove(get_filename()) -- truncate file
file = io.open(get_filename(), "w")
if not file then
lfs.mkdir(timer_path)
file = io.open(get_filename(), "w")
end
if file then
file:write(total_time .. "\n")
file:write(play_count)
file:close()
end
local db = assert(sqlite3.open(timer_db))
local insert_stmt = assert( db:prepare("INSERT OR IGNORE INTO timer VALUES (?, ?, 0, 0)") )
insert_stmt:bind_values(emu.romname(), emu.softname())
insert_stmt:step()
insert_stmt:reset()
local update_stmt = assert( db:prepare("UPDATE timer SET total_time=?, play_count=? WHERE driver=? AND software=?") )
update_stmt:bind_values(total_time, play_count,emu.romname(), emu.softname())
update_stmt:step()
update_stmt:reset()
assert(db:close() == sqlite3.OK)
end
@ -49,18 +43,34 @@ function timer.startplugin()
save()
end
timer_started = true
local file = io.open(get_filename(), "r")
if file then
total_time = file:read("n")
play_count = file:read("n")
file:close()
lfs.mkdir('timer')
local db = assert(sqlite3.open(timer_db))
local found=false
db:exec([[select * from sqlite_master where name='timer';]], function(...) found=true return 0 end)
if not found then
db:exec[[ CREATE TABLE timer (
driver VARCHAR(32) PRIMARY KEY,
software VARCHAR(40),
total_time INTEGER NOT NULL,
play_count INTEGER NOT NULL
); ]]
end
if not play_count then
local stmt, row
-- Get the articles that are contained in the invoice table itself.
stmt = db:prepare("SELECT total_time, play_count FROM timer WHERE driver = ? AND software = ?")
stmt:bind_values(emu.romname(), emu.softname())
if (stmt:step() == sqlite3.ROW) then
row = stmt:get_named_values()
play_count = row.play_count
total_time = row.total_time
else
play_count = 0
end
if not total_time then
total_time = 0
end
assert(db:close() == sqlite3.OK)
start_time = os.time()
play_count = play_count + 1
end)