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Migrate nulls to gobuffalo/nulls (#357)
* Migrate nulls to gobuffalo/nulls * Forward nulls to gobuffalo/nulls * Update SHOULDERS.md and nulls README
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,82 +1,13 @@ | ||
| package nulls | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "database/sql/driver" | ||
| "encoding/json" | ||
| "github.com/gobuffalo/nulls" | ||
| ) | ||
|
|
||
| // Bool replaces sql.NullBool with an implementation | ||
| // that supports proper JSON encoding/decoding. | ||
| type Bool struct { | ||
| Bool bool | ||
| Valid bool | ||
| } | ||
|
|
||
| // Interface implements the nullable interface. It returns nil if | ||
| // the bool is not valid, otherwise it returns the bool value. | ||
| func (ns Bool) Interface() interface{} { | ||
| if !ns.Valid { | ||
| return nil | ||
| } | ||
| return ns.Bool | ||
| } | ||
| type Bool nulls.Bool | ||
|
|
||
| // NewBool returns a new, properly instantiated | ||
| // Boll object. | ||
| func NewBool(b bool) Bool { | ||
| return Bool{Bool: b, Valid: true} | ||
| } | ||
|
|
||
| // Scan implements the Scanner interface. | ||
| func (ns *Bool) Scan(value interface{}) error { | ||
| n := sql.NullBool{Bool: ns.Bool} | ||
| err := n.Scan(value) | ||
| ns.Bool, ns.Valid = n.Bool, n.Valid | ||
| return err | ||
| } | ||
|
|
||
| // Value implements the driver Valuer interface. | ||
| func (ns Bool) Value() (driver.Value, error) { | ||
| if !ns.Valid { | ||
| return nil, nil | ||
| } | ||
| return ns.Bool, nil | ||
| } | ||
|
|
||
| // MarshalJSON marshals the underlying value to a | ||
| // proper JSON representation. | ||
| func (ns Bool) MarshalJSON() ([]byte, error) { | ||
| if ns.Valid { | ||
| return json.Marshal(ns.Bool) | ||
| } | ||
| return json.Marshal(nil) | ||
| } | ||
|
|
||
| // UnmarshalJSON will unmarshal a JSON value into | ||
| // the proper representation of that value. The strings | ||
| // "true" and "t" will be considered "true", "false" and "f" will | ||
| // be treated as "false". All other values will | ||
| //be set to null by Valid = false | ||
| func (ns *Bool) UnmarshalJSON(text []byte) error { | ||
| t := string(text) | ||
| if t == "true" || t == "t" { | ||
| ns.Valid = true | ||
| ns.Bool = true | ||
| return nil | ||
| } | ||
| if t == "false" || t == "f" { | ||
| ns.Valid = true | ||
| ns.Bool = false | ||
| return nil | ||
| } | ||
| ns.Bool = false | ||
| ns.Valid = false | ||
| return nil | ||
| } | ||
|
|
||
| // UnmarshalText will unmarshal text value into | ||
| // the propert representation of that value. | ||
| func (ns *Bool) UnmarshalText(text []byte) error { | ||
| return ns.UnmarshalJSON(text) | ||
| } | ||
| // Bool object. | ||
| var NewBool = nulls.NewBool |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,79 +1,13 @@ | ||
| package nulls | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "database/sql/driver" | ||
| "encoding/base64" | ||
| "encoding/json" | ||
| "github.com/gobuffalo/nulls" | ||
| ) | ||
|
|
||
| // ByteSlice adds an implementation for []byte | ||
| // that supports proper JSON encoding/decoding. | ||
| type ByteSlice struct { | ||
| ByteSlice []byte | ||
| Valid bool // Valid is true if ByteSlice is not NULL | ||
| } | ||
|
|
||
| // Interface implements the nullable interface. It returns nil if | ||
| // the byte slice is not valid, otherwise it returns the byte slice value. | ||
| func (ns ByteSlice) Interface() interface{} { | ||
| if !ns.Valid { | ||
| return nil | ||
| } | ||
| return ns.ByteSlice | ||
| } | ||
| type ByteSlice nulls.ByteSlice | ||
|
|
||
| // NewByteSlice returns a new, properly instantiated | ||
| // ByteSlice object. | ||
| func NewByteSlice(b []byte) ByteSlice { | ||
| return ByteSlice{ByteSlice: b, Valid: true} | ||
| } | ||
|
|
||
| // Scan implements the Scanner interface. | ||
| func (ns *ByteSlice) Scan(value interface{}) error { | ||
| n := sql.NullString{String: base64.StdEncoding.EncodeToString(ns.ByteSlice)} | ||
| err := n.Scan(value) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| //ns.Float32, ns.Valid = float32(n.Float64), n.Valid | ||
| ns.ByteSlice, err = base64.StdEncoding.DecodeString(n.String) | ||
| ns.Valid = n.Valid | ||
| return err | ||
| } | ||
|
|
||
| // Value implements the driver Valuer interface. | ||
| func (ns ByteSlice) Value() (driver.Value, error) { | ||
| if !ns.Valid { | ||
| return nil, nil | ||
| } | ||
| return base64.StdEncoding.EncodeToString(ns.ByteSlice), nil | ||
| } | ||
|
|
||
| // MarshalJSON marshals the underlying value to a | ||
| // proper JSON representation. | ||
| func (ns ByteSlice) MarshalJSON() ([]byte, error) { | ||
| if ns.Valid { | ||
| return json.Marshal(ns.ByteSlice) | ||
| } | ||
| return json.Marshal(nil) | ||
| } | ||
|
|
||
| // UnmarshalJSON will unmarshal a JSON value into | ||
| // the propert representation of that value. | ||
| func (ns *ByteSlice) UnmarshalJSON(text []byte) error { | ||
| ns.Valid = false | ||
| if string(text) == "null" { | ||
| return nil | ||
| } | ||
|
|
||
| ns.ByteSlice = text | ||
| ns.Valid = true | ||
| return nil | ||
| } | ||
|
|
||
| // UnmarshalText will unmarshal text value into | ||
| // the propert representation of that value. | ||
| func (ns *ByteSlice) UnmarshalText(text []byte) error { | ||
| return ns.UnmarshalJSON(text) | ||
| } | ||
| var NewByteSlice = nulls.NewByteSlice |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,80 +1,13 @@ | ||
| package nulls | ||
|
|
||
| import ( | ||
| "database/sql" | ||
| "database/sql/driver" | ||
| "encoding/json" | ||
| "strconv" | ||
| "github.com/gobuffalo/nulls" | ||
| ) | ||
|
|
||
| // Float32 adds an implementation for float32 | ||
| // that supports proper JSON encoding/decoding. | ||
| type Float32 struct { | ||
| Float32 float32 | ||
| Valid bool // Valid is true if Float32 is not NULL | ||
| } | ||
|
|
||
| // Interface implements the nullable interface. It returns nil if | ||
| // the float32 is not valid, otherwise it returns the float32 value. | ||
| func (ns Float32) Interface() interface{} { | ||
| if !ns.Valid { | ||
| return nil | ||
| } | ||
| return ns.Float32 | ||
| } | ||
| type Float32 nulls.Float32 | ||
|
|
||
| // NewFloat32 returns a new, properly instantiated | ||
| // Float32 object. | ||
| func NewFloat32(i float32) Float32 { | ||
| return Float32{Float32: i, Valid: true} | ||
| } | ||
|
|
||
| // Scan implements the Scanner interface. | ||
| func (ns *Float32) Scan(value interface{}) error { | ||
| n := sql.NullFloat64{Float64: float64(ns.Float32)} | ||
| err := n.Scan(value) | ||
| ns.Float32, ns.Valid = float32(n.Float64), n.Valid | ||
| return err | ||
| } | ||
|
|
||
| // Value implements the driver Valuer interface. | ||
| func (ns Float32) Value() (driver.Value, error) { | ||
| if !ns.Valid { | ||
| return nil, nil | ||
| } | ||
| return float64(ns.Float32), nil | ||
| } | ||
|
|
||
| // MarshalJSON marshals the underlying value to a | ||
| // proper JSON representation. | ||
| func (ns Float32) MarshalJSON() ([]byte, error) { | ||
| if ns.Valid { | ||
| return json.Marshal(ns.Float32) | ||
| } | ||
| return json.Marshal(nil) | ||
| } | ||
|
|
||
| // UnmarshalJSON will unmarshal a JSON value into | ||
| // the propert representation of that value. | ||
| func (ns *Float32) UnmarshalJSON(text []byte) error { | ||
| txt := string(text) | ||
| ns.Valid = true | ||
| if txt == "null" { | ||
| ns.Valid = false | ||
| return nil | ||
| } | ||
| i, err := strconv.ParseFloat(txt, 32) | ||
| if err != nil { | ||
| ns.Valid = false | ||
| return err | ||
| } | ||
| j := float32(i) | ||
| ns.Float32 = j | ||
| return nil | ||
| } | ||
|
|
||
| // UnmarshalText will unmarshal text value into | ||
| // the propert representation of that value. | ||
| func (ns *Float32) UnmarshalText(text []byte) error { | ||
| return ns.UnmarshalJSON(text) | ||
| } | ||
| var NewFloat32 = nulls.NewFloat32 |
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