133 lines
3.2 KiB
Go
133 lines
3.2 KiB
Go
package companydb
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import (
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"database/sql"
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"errors"
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"fmt"
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"io/ioutil"
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tokenTools "multitenantStack/services/tokenTools"
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"os"
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"github.com/BurntSushi/toml"
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jwt "github.com/dgrijalva/jwt-go"
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)
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type DBConfig struct {
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User string
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Password string
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Host string
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Port int
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Db string
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Ssl string
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}
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var Conf DBConfig
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var dbs map[string]*sql.DB
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// InitCompanyDBService Init companydb service and open system db connection
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func InitCompanyDBService() {
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tomlData, _ := ioutil.ReadFile("conf/dbConfig.toml")
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if _, err := toml.Decode(string(tomlData), &Conf); err != nil {
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// handle error
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panic(err.Error())
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os.Exit(1)
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}
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dbs = make(map[string]*sql.DB)
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conStr := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s", Conf.Host, Conf.Port, Conf.User, Conf.Password, Conf.Db, Conf.Ssl)
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systemDB, err := sql.Open("postgres", conStr)
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if err != nil {
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fmt.Println("Fatal: could not connect to db, exiting... Error:", err)
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os.Exit(1)
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}
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dbs["system"] = systemDB
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}
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// GetSystemDatabase returns system db
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func GetSystemDatabase() *sql.DB {
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return dbs["system"]
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}
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// GetDatabaseWithName Get orm and user information
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func GetDatabaseWithName(companyName string) (*sql.DB, error) {
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if dbs[companyName] != nil {
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fmt.Println("DB Already open")
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return dbs[companyName], nil
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}
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conStr := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s", Conf.Host, Conf.Port, Conf.User, Conf.Password, companyName, Conf.Ssl)
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db, err := sql.Open("postgres", conStr)
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dbs[companyName] = db
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if err != nil {
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return nil, err
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}
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return db, nil
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}
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// TODO: call upper function in this one to reduce code
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// GetDatabase Get orm and user information
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func GetDatabase(tokenString string) (jwt.MapClaims, *sql.DB, error) {
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// validate token
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valid, token := tokenTools.Validate(tokenString)
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if !valid {
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return nil, nil, errors.New("Token is invalid")
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}
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tokenMap := token.Claims.(jwt.MapClaims)
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companyName := tokenMap["companyName"].(string)
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if dbs[companyName] != nil {
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fmt.Println("DB Already open")
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return tokenMap, dbs[companyName], nil
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}
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conStr := fmt.Sprintf("host=127.0.0.1 port=5435 user=postgres password=postgre dbname=%s sslmode=disable", companyName)
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fmt.Println(conStr)
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db, err := sql.Open("postgres", conStr)
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if err != nil {
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return nil, nil, err
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}
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// return db with orm or error
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return tokenMap, db, nil
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}
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// CreateDatabase Create a database by copying the template
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func CreateDatabase(companyName string) {
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/*
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if dbs[companyName] != nil {
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fmt.Println("DB Already open")
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return dbs[companyName], nil
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}
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/*
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db, err = sql.Open("postgres", "host=127.0.0.1 port=5435 user=postgres password=postgre dbname=company5 sslmode=disable")
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if err != nil {
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log.Fatal(err)
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}
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or, err := orm.NewOrmWithDB("postgres", "temp", db)
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*/
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}
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// DeleteDatabase Delete an entire database, this is very very dangerous :-)
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func DeleteDatabase(token string) {
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//_, db, err := GetDatabase(token)
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/*
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remove from map!
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db.Close()
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fmt.Println("Closed company5")
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//}
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res, err := o.Raw("DROP DATABASE company5;").Exec()
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if err == nil {
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num, _ := res.RowsAffected()
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fmt.Println("mysql row affected number: ", num)
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}
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*/
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}
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