refactor(context): simplify "GetType()" functions (#4080)

This PR introduces a generic function, getTyped[T any], to simplify value retrieval in the Context struct. It replaces repetitive type assertions in the GetString  GetBool etc. methods.

Co-authored-by: Maksim Konovalov <maksim.konovalov@vk.team>
This commit is contained in:
Konovalov Maxim 2024-10-29 18:24:53 +03:00 committed by GitHub
parent ea53388e6e
commit c8a3adc657
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 50 additions and 127 deletions

View File

@ -291,248 +291,171 @@ func (c *Context) MustGet(key string) any {
panic("Key \"" + key + "\" does not exist")
}
// GetString returns the value associated with the key as a string.
func (c *Context) GetString(key string) (s string) {
func getTyped[T any](c *Context, key string) (res T) {
if val, ok := c.Get(key); ok && val != nil {
s, _ = val.(string)
res, _ = val.(T)
}
return
}
// GetString returns the value associated with the key as a string.
func (c *Context) GetString(key string) (s string) {
return getTyped[string](c, key)
}
// GetBool returns the value associated with the key as a boolean.
func (c *Context) GetBool(key string) (b bool) {
if val, ok := c.Get(key); ok && val != nil {
b, _ = val.(bool)
}
return
return getTyped[bool](c, key)
}
// GetInt returns the value associated with the key as an integer.
func (c *Context) GetInt(key string) (i int) {
if val, ok := c.Get(key); ok && val != nil {
i, _ = val.(int)
}
return
return getTyped[int](c, key)
}
// GetInt8 returns the value associated with the key as an integer 8.
func (c *Context) GetInt8(key string) (i8 int8) {
if val, ok := c.Get(key); ok && val != nil {
i8, _ = val.(int8)
}
return
return getTyped[int8](c, key)
}
// GetInt16 returns the value associated with the key as an integer 16.
func (c *Context) GetInt16(key string) (i16 int16) {
if val, ok := c.Get(key); ok && val != nil {
i16, _ = val.(int16)
}
return
return getTyped[int16](c, key)
}
// GetInt32 returns the value associated with the key as an integer 32.
func (c *Context) GetInt32(key string) (i32 int32) {
if val, ok := c.Get(key); ok && val != nil {
i32, _ = val.(int32)
}
return
return getTyped[int32](c, key)
}
// GetInt64 returns the value associated with the key as an integer 64.
func (c *Context) GetInt64(key string) (i64 int64) {
if val, ok := c.Get(key); ok && val != nil {
i64, _ = val.(int64)
}
return
return getTyped[int64](c, key)
}
// GetUint returns the value associated with the key as an unsigned integer.
func (c *Context) GetUint(key string) (ui uint) {
if val, ok := c.Get(key); ok && val != nil {
ui, _ = val.(uint)
}
return
return getTyped[uint](c, key)
}
// GetUint8 returns the value associated with the key as an unsigned integer 8.
func (c *Context) GetUint8(key string) (ui8 uint8) {
if val, ok := c.Get(key); ok && val != nil {
ui8, _ = val.(uint8)
}
return
return getTyped[uint8](c, key)
}
// GetUint16 returns the value associated with the key as an unsigned integer 16.
func (c *Context) GetUint16(key string) (ui16 uint16) {
if val, ok := c.Get(key); ok && val != nil {
ui16, _ = val.(uint16)
}
return
return getTyped[uint16](c, key)
}
// GetUint32 returns the value associated with the key as an unsigned integer 32.
func (c *Context) GetUint32(key string) (ui32 uint32) {
if val, ok := c.Get(key); ok && val != nil {
ui32, _ = val.(uint32)
}
return
return getTyped[uint32](c, key)
}
// GetUint64 returns the value associated with the key as an unsigned integer 64.
func (c *Context) GetUint64(key string) (ui64 uint64) {
if val, ok := c.Get(key); ok && val != nil {
ui64, _ = val.(uint64)
}
return
return getTyped[uint64](c, key)
}
// GetFloat32 returns the value associated with the key as a float32.
func (c *Context) GetFloat32(key string) (f32 float32) {
if val, ok := c.Get(key); ok && val != nil {
f32, _ = val.(float32)
}
return
return getTyped[float32](c, key)
}
// GetFloat64 returns the value associated with the key as a float64.
func (c *Context) GetFloat64(key string) (f64 float64) {
if val, ok := c.Get(key); ok && val != nil {
f64, _ = val.(float64)
}
return
return getTyped[float64](c, key)
}
// GetTime returns the value associated with the key as time.
func (c *Context) GetTime(key string) (t time.Time) {
if val, ok := c.Get(key); ok && val != nil {
t, _ = val.(time.Time)
}
return
return getTyped[time.Time](c, key)
}
// GetDuration returns the value associated with the key as a duration.
func (c *Context) GetDuration(key string) (d time.Duration) {
if val, ok := c.Get(key); ok && val != nil {
d, _ = val.(time.Duration)
}
return
return getTyped[time.Duration](c, key)
}
// GetIntSlice returns the value associated with the key as a slice of integers.
func (c *Context) GetIntSlice(key string) (is []int) {
if val, ok := c.Get(key); ok && val != nil {
is, _ = val.([]int)
}
return
return getTyped[[]int](c, key)
}
// GetInt8Slice returns the value associated with the key as a slice of int8 integers.
func (c *Context) GetInt8Slice(key string) (i8s []int8) {
if val, ok := c.Get(key); ok && val != nil {
i8s, _ = val.([]int8)
}
return
return getTyped[[]int8](c, key)
}
// GetInt16Slice returns the value associated with the key as a slice of int16 integers.
func (c *Context) GetInt16Slice(key string) (i16s []int16) {
if val, ok := c.Get(key); ok && val != nil {
i16s, _ = val.([]int16)
}
return
return getTyped[[]int16](c, key)
}
// GetInt32Slice returns the value associated with the key as a slice of int32 integers.
func (c *Context) GetInt32Slice(key string) (i32s []int32) {
if val, ok := c.Get(key); ok && val != nil {
i32s, _ = val.([]int32)
}
return
return getTyped[[]int32](c, key)
}
// GetInt64Slice returns the value associated with the key as a slice of int64 integers.
func (c *Context) GetInt64Slice(key string) (i64s []int64) {
if val, ok := c.Get(key); ok && val != nil {
i64s, _ = val.([]int64)
}
return
return getTyped[[]int64](c, key)
}
// GetUintSlice returns the value associated with the key as a slice of unsigned integers.
func (c *Context) GetUintSlice(key string) (uis []uint) {
if val, ok := c.Get(key); ok && val != nil {
uis, _ = val.([]uint)
}
return
return getTyped[[]uint](c, key)
}
// GetUint8Slice returns the value associated with the key as a slice of uint8 integers.
func (c *Context) GetUint8Slice(key string) (ui8s []uint8) {
if val, ok := c.Get(key); ok && val != nil {
ui8s, _ = val.([]uint8)
}
return
return getTyped[[]uint8](c, key)
}
// GetUint16Slice returns the value associated with the key as a slice of uint16 integers.
func (c *Context) GetUint16Slice(key string) (ui16s []uint16) {
if val, ok := c.Get(key); ok && val != nil {
ui16s, _ = val.([]uint16)
}
return
return getTyped[[]uint16](c, key)
}
// GetUint32Slice returns the value associated with the key as a slice of uint32 integers.
func (c *Context) GetUint32Slice(key string) (ui32s []uint32) {
if val, ok := c.Get(key); ok && val != nil {
ui32s, _ = val.([]uint32)
}
return
return getTyped[[]uint32](c, key)
}
// GetUint64Slice returns the value associated with the key as a slice of uint64 integers.
func (c *Context) GetUint64Slice(key string) (ui64s []uint64) {
if val, ok := c.Get(key); ok && val != nil {
ui64s, _ = val.([]uint64)
}
return
return getTyped[[]uint64](c, key)
}
// GetFloat32Slice returns the value associated with the key as a slice of float32 numbers.
func (c *Context) GetFloat32Slice(key string) (f32s []float32) {
if val, ok := c.Get(key); ok && val != nil {
f32s, _ = val.([]float32)
}
return
return getTyped[[]float32](c, key)
}
// GetFloat64Slice returns the value associated with the key as a slice of float64 numbers.
func (c *Context) GetFloat64Slice(key string) (f64s []float64) {
if val, ok := c.Get(key); ok && val != nil {
f64s, _ = val.([]float64)
}
return
return getTyped[[]float64](c, key)
}
// GetStringSlice returns the value associated with the key as a slice of strings.
func (c *Context) GetStringSlice(key string) (ss []string) {
if val, ok := c.Get(key); ok && val != nil {
ss, _ = val.([]string)
}
return
return getTyped[[]string](c, key)
}
// GetStringMap returns the value associated with the key as a map of interfaces.
func (c *Context) GetStringMap(key string) (sm map[string]any) {
if val, ok := c.Get(key); ok && val != nil {
sm, _ = val.(map[string]any)
}
return
return getTyped[map[string]any](c, key)
}
// GetStringMapString returns the value associated with the key as a map of strings.
func (c *Context) GetStringMapString(key string) (sms map[string]string) {
if val, ok := c.Get(key); ok && val != nil {
sms, _ = val.(map[string]string)
}
return
return getTyped[map[string]string](c, key)
}
// GetStringMapStringSlice returns the value associated with the key as a map to a slice of strings.
func (c *Context) GetStringMapStringSlice(key string) (smss map[string][]string) {
if val, ok := c.Get(key); ok && val != nil {
smss, _ = val.(map[string][]string)
}
return
return getTyped[map[string][]string](c, key)
}
/************************************/