Esempio n. 1
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// Generate generates the constants for given schema/model
func Generate(s *schema.Schema) ([]byte, error) {
	temp := template.New("constants.tmpl").Funcs(common.TemplateFuncs)
	if _, err := temp.Parse(ConstantsTemplate); err != nil {
		return nil, err
	}

	data := struct {
		Schema *schema.Schema
	}{
		Schema: s,
	}

	var buf bytes.Buffer

	if err := temp.ExecuteTemplate(&buf, "constants.tmpl", data); err != nil {
		return nil, err
	}

	return writers.Clear(buf)
}
Esempio n. 2
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// Generate generates and writes the errors of the schema
func (g *Generator) Generate(context *common.Context, s *schema.Schema) ([]common.Output, error) {
	temp := template.New("errors.tmpl").Funcs(context.TemplateFuncs)
	if _, err := temp.Parse(ErrorsTemplate); err != nil {
		return nil, err
	}

	outputs := make([]common.Output, 0)

	for _, def := range common.SortedObjectSchemas(s.Definitions) {
		data := struct {
			Schema *schema.Schema
		}{
			Schema: def,
		}

		var buf bytes.Buffer

		if err := temp.ExecuteTemplate(&buf, "errors.tmpl", data); err != nil {
			return nil, err
		}

		f, err := writers.Clear(buf)
		if err != nil {
			return nil, err
		}

		path := fmt.Sprintf(
			"%s/%s.go",
			context.Config.Target,
			strings.ToLower(def.Title),
		)

		outputs = append(outputs, common.Output{
			Content: f,
			Path:    path,
		})

	}

	return outputs, nil
}
Esempio n. 3
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// GenerateModelStatements generates the CRUD statements for the model struct
func GenerateModelStatements(context *common.Context, settings schema.Generator, s *schema.Schema) ([]byte, error) {
	packageLine, err := GeneratePackage(context, settings, s)
	if err != nil {
		return nil, err
	}

	createStatements, err := GenerateCreate(context, settings, s)
	if err != nil {
		return nil, err
	}

	updateStatements, err := GenerateUpdate(context, settings, s)
	if err != nil {
		return nil, err
	}

	deleteStatements, err := GenerateDelete(context, settings, s)
	if err != nil {
		return nil, err
	}

	selectStatements, err := GenerateSelect(context, settings, s)
	if err != nil {
		return nil, err
	}

	tableName, err := GenerateTableName(context, settings, s)
	if err != nil {
		return nil, err
	}

	var buf bytes.Buffer
	buf.Write(packageLine)
	buf.Write(createStatements)
	buf.Write(updateStatements)
	buf.Write(deleteStatements)
	buf.Write(selectStatements)
	buf.Write(tableName)

	return writers.Clear(buf)
}
Esempio n. 4
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// GenerateModel generates the model itself
func GenerateModel(s *schema.Schema) ([]byte, error) {
	packageLine, err := GeneratePackage(s)
	if err != nil {
		return nil, err
	}

	consts, err := constants.Generate(s)
	if err != nil {
		return nil, err
	}

	schema, err := GenerateSchema(s)
	if err != nil {
		return nil, err
	}

	constructor, err := constructors.Generate(s)
	if err != nil {
		return nil, err
	}

	validators, err := validators.Generate(s)
	if err != nil {
		return nil, err
	}

	var buf bytes.Buffer
	buf.Write(packageLine)
	buf.Write(consts)
	buf.Write(schema)
	buf.Write(constructor)
	if validators != nil {
		buf.Write(validators)
	}

	return writers.Clear(buf)
}
Esempio n. 5
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// GenerateSchema generates the schema.
func GenerateSchema(s *schema.Schema) ([]byte, error) {
	temp := template.New("schema.tmpl")
	temp.Funcs(schema.Helpers)

	_, err := temp.Parse(StructTemplate)
	if err != nil {
		return nil, err
	}

	var buf bytes.Buffer

	data := struct {
		Schema *schema.Schema
	}{
		Schema: s,
	}

	err = temp.ExecuteTemplate(&buf, "schema.tmpl", data)
	if err != nil {
		return nil, err
	}

	return writers.Clear(buf)
}
Esempio n. 6
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// Generate generates the validators for the the given schema
func Generate(s *schema.Schema) ([]byte, error) {
	validators := make([]string, 0)
	// schemaName := p.Title
	schemaFirstChar := stringext.Pointerize(s.Title)

	for k, property := range s.Properties {
		key := stringext.DepunctWithInitialUpper(k)
		switch property.Type {
		case "string":
			if property.MinLength != 0 {
				validator := fmt.Sprintf("govalidator.MinLength(%s.%s, %d)", schemaFirstChar, key, property.MinLength)
				validators = append(validators, validator)
			}

			if property.MaxLength != 0 {
				validator := fmt.Sprintf("govalidator.MaxLength(%s.%s, %d)", schemaFirstChar, key, property.MaxLength)
				validators = append(validators, validator)
			}

			if property.Pattern != "" {
				validator := fmt.Sprintf("govalidator.Pattern(%s.%s, \"%s\")", schemaFirstChar, key, property.Pattern)
				validators = append(validators, validator)
			}

			if len(property.Enum) > 0 {
				generatedEnums := make([]string, len(property.Enum))
				for i, enum := range property.Enum {
					k := stringext.DepunctWithInitialUpper(key)
					generatedEnums[i] = s.Title + k + "." + stringext.DepunctWithInitialUpper(enum)
				}
				validator := fmt.Sprintf("govalidator.OneOf(%s.%s, []string{\n%s,\n})", schemaFirstChar, key, strings.Join(generatedEnums, ",\n"))
				validators = append(validators, validator)
			}

			// TODO impplement this one
			switch property.Format {
			case "date-time":
				// _, err := time.Parse(time.RFC3339, s)
				validator := fmt.Sprintf("govalidator.Date(%s.%s)", schemaFirstChar, key)
				validators = append(validators, validator)
			}

		case "integer", "number":

			// todo implement exclusive min/max

			if property.Minimum != 0 {
				validator := fmt.Sprintf("govalidator.Min(float64(%s.%s), %f)", schemaFirstChar, key, property.Minimum)
				validators = append(validators, validator)
			}

			if property.Maximum != 0 {
				validator := fmt.Sprintf("govalidator.Max(float64(%s.%s), %f)", schemaFirstChar, key, property.Maximum)
				validators = append(validators, validator)
			}

			// multipleOf:
			if property.MultipleOf != 0 {
				validator := fmt.Sprintf("govalidator.MultipleOf(float64(%s.%s), %f)", schemaFirstChar, key, property.MultipleOf)
				validators = append(validators, validator)
			}
		}
	}

	if len(validators) == 0 {
		return nil, nil
	}

	templ := `
// Validate validates the %s struct
func (%s *%s) Validate() error {
	return govalidator.NewMulti(%s).Validate()
}`

	sslice := sort.StringSlice(validators)
	sslice.Sort()

	res := fmt.Sprintf(
		templ,
		s.Title,
		stringext.Pointerize(s.Title),
		s.Title,
		strings.Join(sslice, ",\n"),
	)

	return writers.Clear(*bytes.NewBufferString(res))
}