112 lines
2.2 KiB
Go
112 lines
2.2 KiB
Go
package generator
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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/generator/metadata"
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"github.com/go-jet/jet/generator/postgres-metadata"
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_ "github.com/lib/pq"
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"path"
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"path/filepath"
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)
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type GeneratorData struct {
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Host string
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Port string
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User string
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Password string
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SslMode string
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Params string
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DbName string
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SchemaName string
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}
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func Generate(destDir string, genData GeneratorData) error {
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connectionString := fmt.Sprintf("host=%s port=%s user=%s password=%s dbname=%s sslmode=%s %s",
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genData.Host, genData.Port, genData.User, genData.Password, genData.DbName, genData.SslMode, genData.Params)
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db, err := sql.Open("postgres", connectionString)
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if err != nil {
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return err
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}
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defer db.Close()
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err = db.Ping()
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if err != nil {
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return err
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}
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err = cleanUpGeneratedFiles(path.Join(destDir, genData.DbName, genData.SchemaName))
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if err != nil {
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return err
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}
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schemaInfo, err := postgres_metadata.GetSchemaInfo(db, genData.DbName, genData.SchemaName)
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if err != nil {
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return err
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}
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err = generate(schemaInfo, destDir, "table", sqlBuilderTableTemplate, schemaInfo.TableInfos)
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if err != nil {
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return err
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}
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//err = generateDataModel(schemaInfo, destDir)
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err = generate(schemaInfo, destDir, "model", dataModelTemplate, schemaInfo.TableInfos)
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if err != nil {
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return err
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}
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err = generate(schemaInfo, destDir, "model", enumModelTemplate, schemaInfo.EnumInfos)
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if err != nil {
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return err
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}
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err = generate(schemaInfo, destDir, "enum", enumTypeTemplate, schemaInfo.EnumInfos)
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if err != nil {
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return err
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}
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return nil
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}
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func generate(schemaInfo postgres_metadata.SchemaInfo, dirPath, packageName string, template string, metaDataList []metadata.MetaData) error {
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modelDirPath := filepath.Join(dirPath, schemaInfo.DatabaseName, schemaInfo.Name, packageName)
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err := ensureDirPath(modelDirPath)
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if err != nil {
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return err
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}
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autoGenWarning, err := generateTemplate(autoGenWarningTemplate, nil)
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if err != nil {
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return err
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}
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for _, metaData := range metaDataList {
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text, err := generateTemplate(template, metaData)
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if err != nil {
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return err
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}
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err = saveGoFile(modelDirPath, metaData.Name(), append(autoGenWarning, text...))
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if err != nil {
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return err
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}
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}
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return nil
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}
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