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[Feature] Add support for database views.

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[Feature] Add support to manually set primary keys for destination structure fields.
This commit is contained in:
go-jet 2019-09-20 12:53:52 +02:00
parent 5b08a1d240
commit b88519bfd4
18 changed files with 462 additions and 128 deletions
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71
generator/internal/template/generate.go
View file

@ -12,8 +12,8 @@ import (
)
// GenerateFiles generates Go files from tables and enums metadata
func GenerateFiles(destDir string, tables, enums []metadata.MetaData, dialect jet.Dialect) error {
if len(tables) == 0 && len(enums) == 0 {
func GenerateFiles(destDir string, schemaInfo metadata.SchemaMetaData, dialect jet.Dialect) error {
if schemaInfo.IsEmpty() {
return nil
}
@ -25,43 +25,64 @@ func GenerateFiles(destDir string, tables, enums []metadata.MetaData, dialect je
return err
}
fmt.Println("Generating table sql builder files...")
err = generate(destDir, "table", tableSQLBuilderTemplate, tables, dialect)
err = generateSQLBuilderFiles(destDir, "table", tableSQLBuilderTemplate, schemaInfo.TablesMetaData, dialect)
if err != nil {
return err
}
fmt.Println("Generating table model files...")
err = generate(destDir, "model", tableModelTemplate, tables, dialect)
err = generateSQLBuilderFiles(destDir, "view", tableSQLBuilderTemplate, schemaInfo.ViewsMetaData, dialect)
if err != nil {
return err
}
if len(enums) > 0 {
fmt.Println("Generating enum sql builder files...")
err = generate(destDir, "enum", enumSQLBuilderTemplate, enums, dialect)
err = generateSQLBuilderFiles(destDir, "enum", enumSQLBuilderTemplate, schemaInfo.EnumsMetaData, dialect)
if err != nil {
return err
}
if err != nil {
return err
}
fmt.Println("Generating enum model files...")
err = generate(destDir, "model", enumModelTemplate, enums, dialect)
err = generateModelFiles(destDir, "table", tableModelTemplate, schemaInfo.TablesMetaData, dialect)
if err != nil {
return err
}
if err != nil {
return err
}
err = generateModelFiles(destDir, "view", tableModelTemplate, schemaInfo.ViewsMetaData, dialect)
if err != nil {
return err
}
err = generateModelFiles(destDir, "enum", enumModelTemplate, schemaInfo.EnumsMetaData, dialect)
if err != nil {
return err
}
fmt.Println("Done")
return nil
}
func generate(dirPath, packageName string, template string, metaDataList []metadata.MetaData, dialect jet.Dialect) error {
func generateSQLBuilderFiles(destDir, fileTypes, sqlBuilderTemplate string, metaData []metadata.MetaData, dialect jet.Dialect) error {
if len(metaData) == 0 {
return nil
}
fmt.Printf("Generating %s sql builder files...\n", fileTypes)
return generateGoFiles(destDir, fileTypes, sqlBuilderTemplate, metaData, dialect)
}
func generateModelFiles(destDir, fileTypes, modelTemplate string, metaData []metadata.MetaData, dialect jet.Dialect) error {
if len(metaData) == 0 {
return nil
}
fmt.Printf("Generating %s model files...\n", fileTypes)
return generateGoFiles(destDir, "model", modelTemplate, metaData, dialect)
}
func generateGoFiles(dirPath, packageName string, template string, metaDataList []metadata.MetaData, dialect jet.Dialect) error {
modelDirPath := filepath.Join(dirPath, packageName)
err := utils.EnsureDirPath(modelDirPath)
@ -77,7 +98,7 @@ func generate(dirPath, packageName string, template string, metaDataList []metad
}
for _, metaData := range metaDataList {
text, err := GenerateTemplate(template, metaData, dialect)
text, err := GenerateTemplate(template, metaData, dialect, map[string]interface{}{"package": packageName})
if err != nil {
return err
@ -94,7 +115,7 @@ func generate(dirPath, packageName string, template string, metaDataList []metad
}
// GenerateTemplate generates template with template text and template data.
func GenerateTemplate(templateText string, templateData interface{}, dialect1 jet.Dialect) ([]byte, error) {
func GenerateTemplate(templateText string, templateData interface{}, dialect jet.Dialect, params ...map[string]interface{}) ([]byte, error) {
t, err := template.New("sqlBuilderTableTemplate").Funcs(template.FuncMap{
"ToGoIdentifier": utils.ToGoIdentifier,
@ -102,7 +123,13 @@ func GenerateTemplate(templateText string, templateData interface{}, dialect1 je
return time.Now().Format(time.RFC850)
},
"dialect": func() jet.Dialect {
return dialect1
return dialect
},
"param": func(name string) interface{} {
if len(params) > 0 {
return params[0][name]
}
return ""
},
}).Parse(templateText)

2
generator/internal/template/templates.go
View file

@ -18,7 +18,7 @@ var tableSQLBuilderTemplate = `
{{- end}}
{{- end}}
package table
package {{param "package"}}
import (
"github.com/go-jet/jet/{{dialect.PackageName}}"