139 lines
3.5 KiB
Go
139 lines
3.5 KiB
Go
// Vikunja is a todo-list application to facilitate your life.
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// Copyright 2018 Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package models
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import (
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"encoding/gob"
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"fmt"
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_ "github.com/go-sql-driver/mysql" // Because.
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"github.com/go-xorm/core"
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"github.com/go-xorm/xorm"
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xrc "github.com/go-xorm/xorm-redis-cache"
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_ "github.com/mattn/go-sqlite3" // Because.
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"github.com/spf13/viper"
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)
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var (
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x *xorm.Engine
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tables []interface{}
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tablesWithPointer []interface{}
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)
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func getEngine() (*xorm.Engine, error) {
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// Use Mysql if set
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if viper.GetString("database.type") == "mysql" {
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connStr := fmt.Sprintf(
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"%s:%s@tcp(%s)/%s?charset=utf8&parseTime=true",
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viper.GetString("database.user"),
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viper.GetString("database.password"),
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viper.GetString("database.host"),
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viper.GetString("database.database"))
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e, err := xorm.NewEngine("mysql", connStr)
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e.SetMaxOpenConns(viper.GetInt("database.openconnections"))
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return e, err
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}
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// Otherwise use sqlite
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path := viper.GetString("database.path")
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if path == "" {
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path = "./db.db"
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}
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return xorm.NewEngine("sqlite3", path)
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}
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func init() {
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tables = append(tables,
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new(User),
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new(List),
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new(ListTask),
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new(Team),
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new(TeamMember),
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new(TeamList),
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new(TeamNamespace),
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new(Namespace),
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new(ListUser),
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new(NamespaceUser),
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)
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tablesWithPointer = append(tables,
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&User{},
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&List{},
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&ListTask{},
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&Team{},
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&TeamMember{},
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&TeamList{},
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&TeamNamespace{},
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&Namespace{},
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&ListUser{},
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&NamespaceUser{},
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)
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}
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// SetEngine sets the xorm.Engine
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func SetEngine() (err error) {
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x, err = getEngine()
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if err != nil {
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return fmt.Errorf("Failed to connect to database: %v", err)
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}
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// Cache
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if viper.GetBool("cache.enabled") {
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switch viper.GetString("cache.type") {
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case "memory":
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cacher := xorm.NewLRUCacher(xorm.NewMemoryStore(), viper.GetInt("cache.maxelementsize"))
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x.SetDefaultCacher(cacher)
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break
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case "redis":
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cacher := xrc.NewRedisCacher(viper.GetString("redis.host"), viper.GetString("redis.password"), xrc.DEFAULT_EXPIRATION, x.Logger())
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x.SetDefaultCacher(cacher)
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gob.Register(tables)
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gob.Register(tablesWithPointer) // Need to register tables with pointer as well...
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break
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default:
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fmt.Println("Did not find a valid cache type. Caching disabled. Please refer to the docs for poosible cache types.")
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}
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}
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x.SetMapper(core.GonicMapper{})
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// Sync dat shit
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if err = x.StoreEngine("InnoDB").Sync2(tables...); err != nil {
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return fmt.Errorf("sync database struct error: %v", err)
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}
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x.ShowSQL(viper.GetBool("database.showqueries"))
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return nil
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}
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func getLimitFromPageIndex(page int) (limit, start int) {
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// Get everything when page index is -1
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if page < 0 {
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return 0, 0
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}
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limit = viper.GetInt("service.pagecount")
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start = limit * (page - 1)
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return
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}
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// GetTotalCount returns the total amount of something
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func GetTotalCount(counting interface{}) (count int64, err error) {
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return x.Count(counting)
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}
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