Exemple #1
0
func (r *Row) Bind(x interface{}, strategy map[string]string) error {

	for src, dest := range strategy {

		data, ok := r.data[src]

		if ok {
			k, err := reflections.GetFieldKind(x, dest)
			if err != nil {
				return err
			}

			switch k {
			case reflect.String:
				{
					reflections.SetField(x, dest, data)
				}
			case reflect.Int64:
				{
					i, err := strconv.ParseInt(data, 10, 64)
					if err != nil {
						return err
					}
					reflections.SetField(x, dest, i)
				}
			case reflect.Ptr:
				{
					value, err := reflections.GetField(x, dest)
					if err != nil {
						return err
					}
					if reflect.TypeOf(value) == typeDec {
						dec, success := new(inf.Dec).SetString(data)
						if !success {
							fmt.Errorf("Could not parse inf.Dec: %s", data)
						}
						reflections.SetField(x, dest, dec)
					}
				}
			case reflect.Struct:
				{
					value, err := reflections.GetField(x, dest)
					if err != nil {
						return err
					}
					if reflect.TypeOf(value) == typeTime {
						date, err := time.ParseInLocation("2006-01-02 15:04:05", data, r.opts.TimeZone)
						if err != nil {
							return err
						}
						reflections.SetField(x, dest, date)
					}
				}
			}
		}
	}

	return nil
}
Exemple #2
0
func (this *CCMomentHandler) LoadModel(moment models.CCMoment) models.Moment {
	fields, _ := reflections.Fields(&models.Moment{})
	//new instance
	momentModel := models.Moment{}

	for i := 0; i < len(fields); i++ {
		has, _ := reflections.HasField(moment, fields[i])
		if has == true {
			fmt.Println("Field Exist------", fields[i])
			if fields[i] == "Volunteer_id" {
				fmt.Println("Volunteer_id Exist------")
				var userObj CCUserHandler
				var volunteerObj CCVolunteerHandler
				var usermodel models.CCUser
				var volunteerModel models.CCVolunteer
				value, err := reflections.GetField(moment, fields[i])

				if err == nil && value != nil {
					str, _ := value.(string)

					volunteerModel, err = volunteerObj.FetchVolunteerForId(str)
					if err == nil {
						fmt.Println("volunteer Exist------", volunteerModel)
						usermodel, err = userObj.FetchUserById(volunteerModel.User_id)
						fmt.Println("User Exist------", usermodel)
						if err == nil {
							responseModel := userObj.LoadModel(usermodel)
							setError := reflections.SetField(&momentModel, fields[i], responseModel) // err != nil
							if setError != nil {
								panic(setError)
							}
						}
					}

				}
			} else {
				value, err := reflections.GetField(moment, fields[i])
				if err == nil {
					fmt.Println("Field Value------", value)
					setError := reflections.SetField(&momentModel, fields[i], value) // err != nil

					if setError != nil {
						panic(setError)
					}

				}
			}

		}

	}
	fmt.Println("Data set to Model --- ", momentModel)
	return momentModel
}
Exemple #3
0
func (this *CCUserHandler) LoadModel(user models.CCUser) models.User {
	fields, _ := reflections.Fields(&models.User{})
	//new instance
	userModel := models.User{}

	for i := 0; i < len(fields); i++ {
		has, _ := reflections.HasField(user, fields[i])
		if has == true {
			fmt.Println("Field Exist------", fields[i])

			value, err := reflections.GetField(user, fields[i])
			if err == nil {
				fmt.Println("Field Value------", value)
				setError := reflections.SetField(&userModel, fields[i], value) // err != nil

				if setError != nil {
					panic(setError)
				}

			}

		}

	}
	fmt.Println("Data set to Model --- ", userModel)
	return userModel
}
Exemple #4
0
func (this *CCEventHandler) LoadModel(event models.CCEvent) models.Event {
	fields, _ := reflections.Fields(&models.Event{})
	//new instance
	eventModel := models.Event{}

	for i := 0; i < len(fields); i++ {
		has, _ := reflections.HasField(event, fields[i])
		if has == true {
			fmt.Println("Field Exist------", fields[i])
			if fields[i] == "Created_by" {
				var userObj CCUserHandler
				var usermodel models.CCUser
				value, err := reflections.GetField(event, fields[i])

				if err == nil && value != nil {
					str, _ := value.(string)
					usermodel, err = userObj.FetchUserById(str)
					if err == nil {
						responseModel := userObj.LoadModel(usermodel)
						setError := reflections.SetField(&eventModel, fields[i], responseModel) // err != nil
						if setError != nil {
							panic(setError)
						}
					}
				}
			} else {
				value, err := reflections.GetField(event, fields[i])
				if err == nil {
					fmt.Println("Field Value------", value)
					setError := reflections.SetField(&eventModel, fields[i], value) // err != nil

					if setError != nil {
						panic(setError)
					}
				}
			}

		}

	}
	fmt.Println("Data set to Model --- ", eventModel)
	return eventModel
}
Exemple #5
0
func (D *DayOfWeekCalls) PopulateHoursByDays(results []HourByDaysRecord) {
	for i := 0; i < len(results); i++ {
		hourName := fmt.Sprintf("H%d", i)

		dayName := fmt.Sprintf("Day%d", D.DayOfWeek-1)

		valueHour, _ := reflections.GetField(D.SummaryCallsPerHours, hourName)

		_ = reflections.SetField(&results[i], dayName, valueHour)
	}
}
func ExampleSetField() {
	s := MyStruct{
		FirstField:  "first value",
		SecondField: 2,
		ThirdField:  "third value",
	}

	// In order to be able to set the structure's values,
	// a pointer to it has to be passed to it.
	err := reflections.SetField(&s, "FirstField", "new value")
	if err != nil {
		log.Fatal(err)
	}

	// If you try to set a field's value using the wrong type,
	// an error will be returned
	err = reflections.SetField(&s, "FirstField", 123) // err != nil
	if err != nil {
		log.Fatal(err)
	}
}
func hookDisableWebpage(payload interface{}, nv *bool) {
	if nv != nil {
		has, _ := reflections.HasField(payload, "DisableWebPagePreview")
		if has {
			value, _ := reflections.GetField(payload, "DisableWebPagePreview")
			bvalue := value.(*bool)
			if bvalue == nil {
				reflections.SetField(payload, "DisableWebPagePreview", nv)
			}
		}
	}
}
func hookReplyToMessageID(payload interface{}, nv *bool) {
	if nv != nil {
		has, _ := reflections.HasField(payload, "ReplyToMessageID")
		if has {
			value, _ := reflections.GetField(payload, "ReplyToMessageID")
			bvalue := value.(*int)
			if bvalue == nil {
				reflections.SetField(payload, "ReplyToMessageID", nv)
			}
		}
	}
}
func hookSelective(payload interface{}, nv *bool) {
	if nv != nil {
		has, _ := reflections.HasField(payload, "Selective")
		if has {
			value, _ := reflections.GetField(payload, "Selective")
			bvalue := value.(*bool)
			if bvalue == nil {
				reflections.SetField(payload, "Selective", nv)
			}
		}
	}
}
func hookOneTimeKeyboard(payload interface{}, nv *bool) {
	if nv != nil {
		has, _ := reflections.HasField(payload, "OneTimeKeyboard")
		if has {
			value, _ := reflections.GetField(payload, "OneTimeKeyboard")
			bvalue := value.(*bool)
			if bvalue == nil {
				reflections.SetField(payload, "OneTimeKeyboard", nv)
			}
		}
	}
}
Exemple #11
0
// HandleStructField sets the value for the given supported struct field.
func (dc *DeepCopier) HandleStructField(options *FieldOptions) error {
	f, err := reflections.GetField(dc.Source, options.SourceField)
	if err != nil {
		return err
	}

	switch v := f.(type) {
	case pq.NullTime:
		if v.Valid {
			if err := reflections.SetField(dc.Destination, options.DestinationField, &v.Time); err != nil {
				return err
			}
		}
	case time.Time:
		if err := reflections.SetField(dc.Destination, options.DestinationField, v); err != nil {
			return err
		}
	}

	return nil
}
Exemple #12
0
func (s *UserStore) UpdateUser(user *User, changes map[string]interface{}) (err error) {
	u := s.ByName(user.Username)
	u.mux.Lock()
	for k, v := range changes {
		err = reflections.SetField(u, k, v)
	}
	u.mux.Unlock()

	if err != nil {
		return err
	}

	s.save()
	return nil
}
Exemple #13
0
func setProperty(obj interface{}, prop string, val interface{}) error {
	if reflect.TypeOf(obj).Kind() == reflect.Map {

		value := reflect.ValueOf(obj)
		value.SetMapIndex(reflect.ValueOf(prop), reflect.ValueOf(val))
		return nil
	}

	if reflect.TypeOf(obj).Kind() != reflect.Ptr {
		return errors.New("Object must be a pointer to a struct")
	}
	prop = strings.Title(prop)

	return reflections.SetField(obj, prop, val)
}
Exemple #14
0
// OverrideWith will override the Environment values
// according to a provided key-value map.
func (e *Environment) OverrideWith(data map[string]string) error {
	for field, value := range data {
		has, err := reflections.HasField(*e, field)
		if !has {
			errMsg := fmt.Sprintf("No such field %s in Environement struct",
				field)
			return errors.New(errMsg)
		} else if err != nil {
			return err
		}

		if value != "" {
			reflections.SetField(e, field, value)
		}
	}

	return nil
}
Exemple #15
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func (d *Dsn) SetDefaults(defaults map[string]string) error {
	for k, v := range defaults {
		// Check the dsn struct has field
		value, err := reflections.GetField(d, k)
		if err != nil {
			return err
		}

		// If dsn instance field is set to zero value,
		// then override it with provided default value
		if value == "" {
			err := reflections.SetField(d, k, v)
			if err != nil {
				return err
			}
		}
	}

	return nil
}
Exemple #16
0
// Load method will try to load Environment struct
// tagged fields value from system environement. Every
// found values will override Environment field current
// value.
func (e *Environment) Load() error {
	var err error
	var envTags map[string]string

	envTags, err = reflections.Tags(*e, "env")
	if err != nil {
		return err
	}

	for field, tag := range envTags {
		envVar := os.Getenv(tag)

		if envVar != "" {
			err = reflections.SetField(e, field, envVar)
			if err != nil {
				return err
			}
		}
	}

	return nil
}
Exemple #17
0
func (l Loader) normalizeField(fieldName string, normalization string) error {
	if normalization == "filepath" {
		value, _ := reflections.GetField(l.Config, fieldName)
		fieldKind, _ := reflections.GetFieldKind(l.Config, fieldName)

		// Make sure we're normalizing a string filed
		if fieldKind != reflect.String {
			return fmt.Errorf("filepath normalization only works on string fields")
		}

		// Normalize the field to be a filepath
		if valueAsString, ok := value.(string); ok {
			normalizedPath := NormalizeFilePath(valueAsString)
			if err := reflections.SetField(l.Config, fieldName, normalizedPath); err != nil {
				return err
			}
		}
	} else {
		return fmt.Errorf("Unknown normalization `%s`", normalization)
	}

	return nil
}
Exemple #18
0
// Unmarshal parses a csv file and stores its value to a list of entpoint structs
func (m *Marshaler) Unmarshal() ([]interface{}, error) {
	structs := *new([]interface{})

	line := 0
	for {
		line++
		var record stringSlice
		record, err := m.Reader.Read()
		if err != nil {
			if err == io.EOF {
				break
			}
			if !m.Lazy {
				return nil, err
			}
			if pe, ok := err.(*csv.ParseError); ok {
				m.errors = append(m.errors, *pe)
			}
			continue
		}
		if line == 1 { // first line contains header information
			for i, fieldInfo := range m.fieldInfos {
				index := record.pos(fieldInfo.headerName)
				if index >= 0 {
					m.fieldInfos[i].position = index
				}
			}
			if !m.fieldInfos.isComplete() {
				return nil, &csv.ParseError{Err: ErrHeaderNotComplete}
			}
			continue
		}
		sPtr := reflect.New(reflect.TypeOf(m.endPointStruct)).Interface()
		var (
			value interface{}
			rerr  error
		)
		for _, fieldInfo := range m.fieldInfos {
			switch fieldInfo.kind {
			case reflect.Bool:
				value, rerr = strconv.ParseBool(record[fieldInfo.position])
			case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
				value, rerr = strconv.Atoi(record[fieldInfo.position])
			case reflect.Float32, reflect.Float64:
				value, rerr = strconv.ParseFloat(record[fieldInfo.position], 64)
			case reflect.String:
				value = record[fieldInfo.position]
			default:
				rerr = ErrUnsupportedCSVType
			}
			if rerr != nil {
				m.errors = append(m.errors, csv.ParseError{
					Column: fieldInfo.position,
					Line:   line,
					Err:    rerr,
				})
				break
			}
			reflections.SetField(sPtr, fieldInfo.fieldName, value)
		}
		// add value only if error is nil
		if rerr == nil {
			v := reflect.ValueOf(sPtr).Elem().Interface()
			structs = append(structs, v)
		}
	}
	if len(m.errors) == 0 {
		return structs, nil
	}
	return structs, m.errors
}
Exemple #19
0
func (l Loader) setFieldValueFromCLI(fieldName string, cliName string) error {
	// Get the kind of field we need to set
	fieldKind, err := reflections.GetFieldKind(l.Config, fieldName)
	if err != nil {
		return fmt.Errorf(`Failed to get the type of struct field %s`, fieldName)
	}

	var value interface{}

	// See the if the cli option is using the special format i.e. (arg:1)
	special := CLISpecialNameRegex.FindStringSubmatch(cliName)
	if len(special) == 3 {
		// Should this cli option be loaded from the CLI arguments?
		if special[1] == "arg" {
			// Convert the arg position to an integer
			i, err := strconv.Atoi(special[2])
			if err != nil {
				return fmt.Errorf("Failed to convert string to int: %s", err)
			}

			// Only set the value if the args are long enough for
			// the position to exist.
			if len(l.CLI.Args()) > i {
				// Get the value from the args
				value = l.CLI.Args()[i]
			}
		}
	} else {
		// If the cli name didn't have the special format, then we need to
		// either load from the context's flags, or from a config file.

		// We start by defaulting the value to what ever was provided
		// by the configuration file
		if l.File != nil {
			if configFileValue, ok := l.File.Config[cliName]; ok {
				// Convert the config file value to it's correct type
				if fieldKind == reflect.String {
					value = configFileValue
				} else if fieldKind == reflect.Slice {
					value = strings.Split(configFileValue, ",")
				} else if fieldKind == reflect.Bool {
					value, _ = strconv.ParseBool(configFileValue)
				} else {
					return fmt.Errorf("Unable to convert string to type %s", fieldKind)
				}
			}
		}

		// If a value hasn't been found in a config file, but there
		// _is_ one provided by the CLI context, then use that.
		if value == nil || l.cliValueIsSet(cliName) {
			if fieldKind == reflect.String {
				value = l.CLI.String(cliName)
			} else if fieldKind == reflect.Slice {
				value = l.CLI.StringSlice(cliName)
			} else if fieldKind == reflect.Bool {
				value = l.CLI.Bool(cliName)
			} else {
				return fmt.Errorf("Unable to handle type: %s", fieldKind)
			}
		}
	}

	// Set the value to the cfg
	if value != nil {
		err = reflections.SetField(l.Config, fieldName, value)
		if err != nil {
			return fmt.Errorf("Could not set value `%s` to field `%s` (%s)", value, fieldName, err)
		}
	}

	return nil
}
// Reflects on the values in the commandLineOptions structure, and fills it
// with values either from the command line, or from the ENV.
func parseArgs(opts *commandLineOptions, args []string) {
	// Create a flag set for args
	flags := flag.NewFlagSet(commandLineName, flag.ExitOnError)

	// Get the fields for the strucutre
	fields, _ := reflections.Fields(opts)

	// Loop through each field of the structure, and define a flag for it
	for i := 0; i < len(fields); i++ {
		fieldName := fields[i]
		flagName, _ := reflections.GetFieldTag(opts, fieldName, "flag")
		fieldKind, _ := reflections.GetFieldKind(opts, fieldName)

		if fieldKind == reflect.String {
			flags.String(flagName, "", "")
		} else if fieldKind == reflect.Bool {
			flags.Bool(flagName, false, "")
		} else {
			exitAndError(fmt.Sprintf("Could not create flag for %s", fieldName))
		}
	}

	// Define our custom usage text
	flags.Usage = func() {
		fmt.Printf("%s\n", commandLineUsage)
	}

	// Search the args until we find a "--", which signifies the user has started
	// defining options.
	var argumentFlags []string
	started := false
	for i := 0; i < len(args); i++ {
		if strings.HasPrefix(args[i], "--") {
			started = true
		}

		if started {
			argumentFlags = append(argumentFlags, args[i])
		}
	}

	// Now parse the flags
	flags.Parse(argumentFlags)

	// Now the flag set has been populated with values, retrieve them and
	// set them (or use the ENV variable if empty)
	for i := 0; i < len(fields); i++ {
		fieldName := fields[i]
		fieldKind, _ := reflections.GetFieldKind(opts, fieldName)

		// Grab the flags we need
		flagName, _ := reflections.GetFieldTag(opts, fieldName, "flag")
		envName, _ := reflections.GetFieldTag(opts, fieldName, "env")
		required, _ := reflections.GetFieldTag(opts, fieldName, "required")

		// Grab the value from the flag
		value := flags.Lookup(flagName).Value.String()

		// If the value of the flag is empty, try the ENV
		if value == "" {
			value = os.Getenv(envName)
		}

		// Do validation
		if required == "true" && value == "" {
			exitAndError(fmt.Sprintf("missing %s", flagName))
		}

		// Set the value in the right way
		if fieldKind == reflect.String {
			reflections.SetField(opts, fieldName, value)
		} else if fieldKind == reflect.Bool {
			// The bool is converted to a string above
			if value == "true" {
				reflections.SetField(opts, fieldName, true)
			} else {
				reflections.SetField(opts, fieldName, false)
			}
		} else {
			exitAndError(fmt.Sprintf("Could not set value of %s", fieldName))
		}
	}
}
Exemple #21
0
// SetFieldValue Sets the given value to the given field.
func (dc *DeepCopier) SetFieldValue(entity interface{}, name string, value reflect.Value) error {
	kind := value.Kind()

	// Maps
	if kind == reflect.Map {
		switch v := value.Interface().(type) {
		case map[string]interface{}, map[string]string, map[string]map[string]string, map[string]map[string]map[string]string:
			if err := reflections.SetField(entity, name, v); err != nil {
				return err
			}
			return nil
		}
	}

	// Structs
	if kind == reflect.Struct {
		switch v := value.Interface().(type) {
		case time.Time, pq.NullTime:
			if err := reflections.SetField(entity, name, v); err != nil {
				return err
			}
			return nil
		}
	}

	// Reflect
	switch kind {
	case reflect.Int8:
		if err := reflections.SetField(entity, name, int8(value.Int())); err != nil {
			return err
		}
		return nil
	case reflect.Int16:
		if err := reflections.SetField(entity, name, int16(value.Int())); err != nil {
			return err
		}
		return nil
	case reflect.Int32:
		if err := reflections.SetField(entity, name, int32(value.Int())); err != nil {
			return err
		}
		return nil
	case reflect.Int64:
		if err := reflections.SetField(entity, name, value.Int()); err != nil {
			return err
		}
		return nil
	case reflect.Int:
		if err := reflections.SetField(entity, name, int(value.Int())); err != nil {
			return err
		}
		return nil
	case reflect.Uint8:
		if err := reflections.SetField(entity, name, uint8(value.Uint())); err != nil {
			return err
		}
		return nil
	case reflect.Uint16:
		if err := reflections.SetField(entity, name, uint16(value.Uint())); err != nil {
			return err
		}
		return nil
	case reflect.Uint32:
		if err := reflections.SetField(entity, name, uint32(value.Uint())); err != nil {
			return err
		}
		return nil
	case reflect.Uint64:
		if err := reflections.SetField(entity, name, value.Uint()); err != nil {
			return err
		}
		return nil
	case reflect.Uint:
		if err := reflections.SetField(entity, name, uint(value.Uint())); err != nil {
			return err
		}
		return nil
	case reflect.Float32:
		if err := reflections.SetField(entity, name, float32(value.Float())); err != nil {
			return err
		}
		return nil
	case reflect.Float64:
		if err := reflections.SetField(entity, name, value.Float()); err != nil {
			return err
		}
		return nil
	case reflect.String:
		if err := reflections.SetField(entity, name, value.String()); err != nil {
			return err
		}
		return nil
	case reflect.Bool:
		if err := reflections.SetField(entity, name, value.Bool()); err != nil {
			return err
		}
		return nil
	}

	return nil
}