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change colors to work in uint32 and Rgba type

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This commit is contained in:
Sisi
2026-04-12 20:44:38 +02:00
parent 376992d2e1
commit e7f408788c
6 changed files with 53 additions and 38 deletions
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convertions.go
+16 -8
View File
@@ -14,20 +14,28 @@ func ConvertStringUint32(s string) (uint32, error) {
return uint32(v), err
}
func ConvertStringToRgb(str string) ([3]uint8, error) {
parts := strings.SplitN(str, ",", 4)
if len(parts) != 3 {
return [3]uint8{}, fmt.Errorf("invalid rgb")
func ConvertStringToRgba(str string) (*Rgba, error) {
parts := strings.SplitN(str, ",", 5)
if len(parts) != 4 {
return nil, fmt.Errorf("invalid rgba")
}
var rgb [3]uint8
rgba := &Rgba{}
for i, p := range parts {
n, err := strconv.ParseUint(strings.TrimSpace(p), 10, 8)
if err != nil {
return [3]uint8{}, fmt.Errorf("invalid component %d: %w", i, err)
return nil, fmt.Errorf("invalid component %d: %w", i, err)
}
rgb[i] = uint8(n)
rgba[i] = uint8(n)
}
return rgb, nil
return rgba, nil
}
func RgbaToUint32(r *Rgba) uint32 {
return uint32(r[0])<<24 | uint32(r[1])<<16 | uint32(r[2])<<8 | uint32(r[3])
}
func Uint32ToRgba(v uint32) *Rgba {
return &Rgba{uint8(v >> 24), uint8(v >> 16), uint8(v >> 8), uint8(v)}
}
func ConvertStringUuid(str string) (uuid.UUID, error) {
database.go
+19 -14
View File
@@ -29,10 +29,8 @@ func DbInit(ctx context.Context) {
name TEXT UNIQUE NOT NULL,
pass_hash TEXT NOT NULL,
pronouns TEXT DEFAULT NULL,
color_red SMALLINT DEFAULT NULL,
color_green SMALLINT DEFAULT NULL,
color_blue SMALLINT DEFAULT NULL,
created_at TIMESTAMP NOT NULL DEFAULT NOW()
rgba BIGINT NOT NULL DEFAULT 0 CHECK (rgba BETWEEN 0 AND 4294967295),
created_at TIMESTAMP NOT NULL DEFAULT NOW()
)
`)
if err != nil {
@@ -69,10 +67,10 @@ func DbInit(ctx context.Context) {
func DbUserSave(ctx context.Context, user *User) error {
err := dbConn.QueryRow(ctx, `
INSERT INTO users (name, pass_hash, pronouns, color_red, color_green, color_blue, created_at)
VALUES ($1, $2, $3, $4, $5, $6, $7)
INSERT INTO users (name, pass_hash, pronouns, rgba, created_at)
VALUES ($1, $2, $3, $4, $5)
RETURNING id
`, user.Name, user.PasswordHash, user.Pronouns, user.Color[0], user.Color[1], user.Color[2], user.CreatedAt).
`, user.Name, user.PasswordHash, user.Pronouns, RgbaToUint32(user.Color), user.CreatedAt).
Scan(&user.Id)
return err
}
@@ -85,23 +83,31 @@ func DbUserDelete(ctx context.Context, id uuid.UUID) error {
}
func DbUserGetStandardInfoByName(ctx context.Context, user *User) error {
var rgba int64
err := dbConn.QueryRow(ctx, `
SELECT id, name, pass_hash, COALESCE(pronouns, ''), color_red, color_green, color_blue, created_at FROM users WHERE name = $1
`, user.Name).Scan(&user.Id, &user.Name, &user.PasswordHash, &user.Pronouns, &user.Color[0], &user.Color[1], &user.Color[2], &user.CreatedAt)
SELECT id, name, pass_hash, COALESCE(pronouns, ''), rgba, created_at FROM users WHERE name = $1
`, user.Name).Scan(&user.Id, &user.Name, &user.PasswordHash, &user.Pronouns, &rgba, &user.CreatedAt)
if err == nil {
user.Color = Uint32ToRgba(uint32(rgba))
}
return err
}
func DbUserGetById(ctx context.Context, user *User) error {
var rgba int64
err := dbConn.QueryRow(ctx, `
SELECT name, pass_hash, COALESCE(pronouns, ''), color_red, color_green, color_blue, created_at FROM users WHERE id = $1
`, user.Id).Scan(&user.Name, &user.PasswordHash, &user.Pronouns, &user.Color[0], &user.Color[1], &user.Color[2], &user.CreatedAt)
SELECT name, pass_hash, COALESCE(pronouns, ''), rgba, created_at FROM users WHERE id = $1
`, user.Id).Scan(&user.Name, &user.PasswordHash, &user.Pronouns, &rgba, &user.CreatedAt)
if err == nil {
user.Color = Uint32ToRgba(uint32(rgba))
}
return err
}
func DbUserSetColor(ctx context.Context, user *User) error {
_, err := dbConn.Exec(ctx, `
UPDATE users SET color_red = $1, color_green = $2, color_blue = $3 WHERE id = $4
`, user.Color[0], user.Color[1], user.Color[2], user.Id)
UPDATE users SET rgba = $1 WHERE id = $2
`, RgbaToUint32(user.Color), user.Id)
return err
}
@@ -211,4 +217,3 @@ func DbConnectionGetMessagesBefore(ctx context.Context, before time.Time, connec
}
return messages, rows.Err()
}
globals.go
+1 -2
View File
@@ -1,6 +1,5 @@
package main
const (
MaxDirectMsgCache uint32 = 12
MessagesPartitions uint8 = 2
MaxDirectMsgCache uint32 = 12
)
httpUser.go
+2 -8
View File
@@ -84,12 +84,6 @@ func HttpHandleUserNew(response http.ResponseWriter, request *http.Request) {
return
}
color, err := ConvertStringToRgb(request.FormValue("color"))
if err != nil {
http.Error(response, "bad color", http.StatusBadRequest)
return
}
hashedPassword, err := PasswordHash(password)
if err != nil {
http.Error(response, "internal server error", http.StatusInternalServerError)
@@ -99,7 +93,7 @@ func HttpHandleUserNew(response http.ResponseWriter, request *http.Request) {
newUser := &User{
Name: username,
PasswordHash: hashedPassword,
Color: color,
Color: Rgba{}.GetRandom(),
CreatedAt: time.Now(),
}
@@ -149,7 +143,7 @@ func HttpHandleUserModifyAppearance(response http.ResponseWriter, request *http.
return
}
color, err := ConvertStringToRgb(request.FormValue("color"))
color, err := ConvertStringToRgba(request.FormValue("color"))
if err != nil {
http.Error(response, "invalid color", http.StatusBadRequest)
return
todo.txt
+4 -5
View File
@@ -1,7 +1,6 @@
add hubs
media support
fix color saving to use INT (002255255035) rgba
media support
more user customization (avatar, banners, desc)
more user customization (avatar, banners, desc)
add hubs
structs.go → type.go
+11 -1
View File
@@ -1,6 +1,7 @@
package main
import (
"math/rand/v2"
"sync"
"time"
@@ -11,6 +12,15 @@ import (
"github.com/google/uuid"
)
type Rgba [4]uint8
func (r Rgba) GetRandom() *Rgba {
for i := range r {
r[i] = uint8(rand.IntN(256))
}
return &r
}
type User struct {
Mu sync.RWMutex
Name string
@@ -20,7 +30,7 @@ type User struct {
WsConn *websocket.Conn
Id uuid.UUID
Connections map[uuid.UUID]*Connection
Color [3]uint8
Color *Rgba
}
type Connection struct {