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package model
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import (
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"fmt"
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"time"
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"github.com/cloudreve/Cloudreve/v3/pkg/conf"
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"github.com/cloudreve/Cloudreve/v3/pkg/util"
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"github.com/gin-gonic/gin"
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"github.com/jinzhu/gorm"
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_ "github.com/jinzhu/gorm/dialects/mssql"
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_ "github.com/jinzhu/gorm/dialects/mysql"
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_ "github.com/jinzhu/gorm/dialects/postgres"
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_ "github.com/jinzhu/gorm/dialects/sqlite"
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)
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// DB 数据库链接单例
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var DB *gorm.DB
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// Init 初始化 MySQL 链接
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func Init() {
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util.Log().Info("初始化数据库连接")
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var (
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db *gorm.DB
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err error
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)
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if gin.Mode() == gin.TestMode {
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// 测试模式下，使用内存数据库
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db, err = gorm.Open("sqlite3", ":memory:")
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} else {
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switch conf.DatabaseConfig.Type {
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case "UNSET", "sqlite", "sqlite3":
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// 未指定数据库或者明确指定为 sqlite 时，使用 SQLite3 数据库
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db, err = gorm.Open("sqlite3", util.RelativePath(conf.DatabaseConfig.DBFile))
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case "postgres":
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db, err = gorm.Open(conf.DatabaseConfig.Type, fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=disable",
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conf.DatabaseConfig.Host,
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conf.DatabaseConfig.User,
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conf.DatabaseConfig.Password,
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conf.DatabaseConfig.Name,
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conf.DatabaseConfig.Port))
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case "mysql", "mssql":
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db, err = gorm.Open(conf.DatabaseConfig.Type, fmt.Sprintf("%s:%s@(%s:%d)/%s?charset=%s&parseTime=True&loc=Local",
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conf.DatabaseConfig.User,
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conf.DatabaseConfig.Password,
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conf.DatabaseConfig.Host,
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conf.DatabaseConfig.Port,
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conf.DatabaseConfig.Name,
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conf.DatabaseConfig.Charset))
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default:
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util.Log().Panic("不支持数据库类型: %s", conf.DatabaseConfig.Type)
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}
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}
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//db.SetLogger(util.Log())
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if err != nil {
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util.Log().Panic("连接数据库不成功, %s", err)
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}
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// 处理表前缀
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gorm.DefaultTableNameHandler = func(db *gorm.DB, defaultTableName string) string {
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return conf.DatabaseConfig.TablePrefix + defaultTableName
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}
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// Debug模式下，输出所有 SQL 日志
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if conf.SystemConfig.Debug {
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db.LogMode(true)
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} else {
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db.LogMode(false)
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}
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//设置连接池
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db.DB().SetMaxIdleConns(50)
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if conf.DatabaseConfig.Type == "sqlite" || conf.DatabaseConfig.Type == "sqlite3" || conf.DatabaseConfig.Type == "UNSET" {
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db.DB().SetMaxOpenConns(1)
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} else {
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db.DB().SetMaxOpenConns(100)
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}
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//超时
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db.DB().SetConnMaxLifetime(time.Second * 30)
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DB = db
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//执行迁移
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migration()
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}
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