94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
// URTator - Urban Terror server browser and game launcher, written in
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// Go.
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//
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// Copyright (c) 2016, Stanslav N. a.k.a pztrn (or p0z1tr0n)
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// All rights reserved.
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//
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// Licensed under Terms and Conditions of GNU General Public License
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// version 3 or any higher.
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// ToDo: put full text of license here.
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package database
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import (
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// stdlib
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//"database/sql"
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"fmt"
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"path"
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"runtime"
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"strconv"
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// local
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"github.com/pztrn/urtrator/configuration"
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"github.com/pztrn/urtrator/datamodels"
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// Other
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"github.com/jmoiron/sqlx"
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_ "github.com/mattn/go-sqlite3"
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)
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type Database struct {
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// Configuration.
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cfg *configuration.Config
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// Pointer to initialized database connection.
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Db *sqlx.DB
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}
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func (d *Database) Close() {
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fmt.Println("Closing database...")
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// Save configuration.
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// Delete previous configuration.
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d.Db.MustExec("DELETE FROM configuration")
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tx := d.Db.MustBegin()
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for k, v := range cfg.Cfg {
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cfg_item := datamodels.Configuration{}
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cfg_item.Key = k
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cfg_item.Value = v
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tx.NamedExec("INSERT INTO configuration (key, value) VALUES (:key, :value)", &cfg_item)
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}
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tx.Commit()
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d.Db.Close()
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runtime.UnlockOSThread()
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}
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func (d *Database) Initialize(cfg *configuration.Config) {
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fmt.Println("Initializing database...")
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runtime.LockOSThread()
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// Connect to database.
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db_path := path.Join(cfg.TEMP["DATA"], "database.sqlite3")
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fmt.Println("Database path: " + db_path)
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db, err := sqlx.Connect("sqlite3", db_path)
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if err != nil {
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fmt.Println(err.Error())
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}
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d.Db = db
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// Load configuration.
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cfgs := []datamodels.Configuration{}
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d.Db.Select(&cfgs, "SELECT * FROM configuration")
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if len(cfgs) > 0 {
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for i := range cfgs {
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cfg.Cfg[cfgs[i].Key] = cfgs[i].Value
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}
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}
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}
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func (d *Database) Migrate() {
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// Getting current database version.
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dbver := 0
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database := []datamodels.Database{}
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d.Db.Select(&database, "SELECT * FROM database")
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if len(database) > 0 {
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fmt.Println("Current database version: " + database[0].Version)
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dbver, _ = strconv.Atoi(database[0].Version)
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} else {
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fmt.Println("No database found, will create new one")
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}
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migrate_full(d, dbver)
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}
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