55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
package mysql
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import (
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"database/sql"
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"fmt"
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"github.com/go-jet/jet/v2/generator/internal/metadata"
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"github.com/go-jet/jet/v2/generator/internal/template"
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"github.com/go-jet/jet/v2/internal/utils"
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"github.com/go-jet/jet/v2/mysql"
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"path"
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)
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// DBConnection contains MySQL connection details
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type DBConnection struct {
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Host string
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Port int
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User string
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Password string
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Params string
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DBName string
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}
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// Generate generates jet files at destination dir from database connection details
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func Generate(destDir string, dbConn DBConnection) (err error) {
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defer utils.ErrorCatch(&err)
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db := openConnection(dbConn)
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defer utils.DBClose(db)
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fmt.Println("Retrieving database information...")
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// No schemas in MySQL
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dbInfo := metadata.GetSchemaMetaData(db, dbConn.DBName, &mySqlQuerySet{})
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genPath := path.Join(destDir, dbConn.DBName)
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template.GenerateFiles(genPath, dbInfo, mysql.Dialect)
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return nil
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}
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func openConnection(dbConn DBConnection) *sql.DB {
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var connectionString = fmt.Sprintf("%s:%s@tcp(%s:%d)/%s", dbConn.User, dbConn.Password, dbConn.Host, dbConn.Port, dbConn.DBName)
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if dbConn.Params != "" {
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connectionString += "?" + dbConn.Params
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}
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fmt.Println("Connecting to MySQL database: " + connectionString)
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db, err := sql.Open("mysql", connectionString)
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utils.PanicOnError(err)
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err = db.Ping()
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utils.PanicOnError(err)
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return db
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}
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