This commit is contained in:
2026-04-01 11:47:03 +04:00
parent cb68451c1c
commit 2465bc2ec3
43 changed files with 8210 additions and 0 deletions

461
backend/handlers.go Normal file
View File

@@ -0,0 +1,461 @@
package main
import (
"errors"
"fmt"
"io"
"math/rand"
"net/http"
"strconv"
"strings"
"time"
"github.com/labstack/echo/v4"
)
func (a *App) handleHealth(c echo.Context) error {
return c.JSON(http.StatusOK, map[string]string{"status": "ok"})
}
func (a *App) handleGetState(c echo.Context) error {
state, err := a.readState(a.isAdminRequest(c))
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func (a *App) handleAdminLogin(c echo.Context) error {
var req AdminLoginRequest
if err := c.Bind(&req); err != nil {
return writeError(c, http.StatusBadRequest, "invalid request body")
}
if !a.verifyAdmin(req.Username, req.Password) {
return writeError(c, http.StatusUnauthorized, "invalid credentials")
}
token, expiry, err := a.sessions.CreateToken()
if err != nil {
return writeError(c, http.StatusInternalServerError, "failed to create session")
}
return c.JSON(http.StatusOK, map[string]any{
"token": token,
"expiresAt": expiry.Format(time.RFC3339),
"username": a.cfg.AdminUser,
})
}
func (a *App) handleAdminLogout(c echo.Context) error {
token := strings.TrimSpace(strings.TrimPrefix(c.Request().Header.Get(echo.HeaderAuthorization), "Bearer "))
a.sessions.DeleteToken(token)
return c.JSON(http.StatusOK, map[string]bool{"ok": true})
}
func (a *App) handleUpdateAdminSettings(c echo.Context) error {
var req AdminSettingsUpdateRequest
if err := c.Bind(&req); err != nil {
return writeError(c, http.StatusBadRequest, "invalid request body")
}
if req.ViewProofInView == nil {
return writeError(c, http.StatusBadRequest, "viewProofInView is required")
}
if err := a.updateViewProofInView(*req.ViewProofInView); err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func (a *App) handleCreatePlayer(c echo.Context) error {
var req PlayerCreateRequest
if err := c.Bind(&req); err != nil {
return writeError(c, http.StatusBadRequest, "invalid request body")
}
nameAr := strings.TrimSpace(req.NameAr)
nameEn := strings.TrimSpace(req.NameEn)
group := normalizeGroup(req.GroupCode)
if nameAr == "" || nameEn == "" {
return writeError(c, http.StatusBadRequest, "both Arabic and English names are required")
}
tx, err := a.db.Begin()
if err != nil {
return writeError(c, http.StatusInternalServerError, "failed to start transaction")
}
defer tx.Rollback()
res, err := tx.Exec(`
INSERT INTO players(name_ar, name_en, group_code, image_data)
VALUES(?, ?, ?, '')
`, nameAr, nameEn, group)
if err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("create player: %v", err))
}
id64, err := res.LastInsertId()
if err != nil {
return writeError(c, http.StatusInternalServerError, "failed to read new player id")
}
playerID := int(id64)
for _, stage := range scoreStages {
if _, err := tx.Exec(`INSERT OR IGNORE INTO scores(stage, player_id, score) VALUES(?, ?, 0)`, stage, playerID); err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("create score row: %v", err))
}
}
if err := tx.Commit(); err != nil {
return writeError(c, http.StatusInternalServerError, "failed to commit create player")
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusCreated, state)
}
func (a *App) handleUpdatePlayer(c echo.Context) error {
playerID, err := strconv.Atoi(c.Param("id"))
if err != nil {
return writeError(c, http.StatusBadRequest, "invalid player id")
}
var req PlayerUpdateRequest
if err := c.Bind(&req); err != nil {
return writeError(c, http.StatusBadRequest, "invalid request body")
}
updates := []string{}
args := []any{}
if req.NameAr != nil {
nameAr := strings.TrimSpace(*req.NameAr)
if nameAr == "" {
return writeError(c, http.StatusBadRequest, "arabic name cannot be empty")
}
updates = append(updates, "name_ar = ?")
args = append(args, nameAr)
}
if req.NameEn != nil {
nameEn := strings.TrimSpace(*req.NameEn)
if nameEn == "" {
return writeError(c, http.StatusBadRequest, "english name cannot be empty")
}
updates = append(updates, "name_en = ?")
args = append(args, nameEn)
}
if req.GroupCode != nil {
updates = append(updates, "group_code = ?")
args = append(args, normalizeGroup(*req.GroupCode))
}
if req.ImageData != nil {
img := strings.TrimSpace(*req.ImageData)
if len(img) > 2_500_000 {
return writeError(c, http.StatusBadRequest, "image payload too large")
}
updates = append(updates, "image_data = ?")
args = append(args, img)
}
if req.ClearImage {
updates = append(updates, "image_data = ''")
}
if len(updates) == 0 {
return writeError(c, http.StatusBadRequest, "no fields to update")
}
updates = append(updates, "updated_at = CURRENT_TIMESTAMP")
args = append(args, playerID)
query := fmt.Sprintf("UPDATE players SET %s WHERE id = ?", strings.Join(updates, ", "))
res, err := a.db.Exec(query, args...)
if err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("update player: %v", err))
}
affected, err := res.RowsAffected()
if err != nil {
return writeError(c, http.StatusInternalServerError, "failed to check update result")
}
if affected == 0 {
return writeError(c, http.StatusNotFound, "player not found")
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func (a *App) handleDeletePlayer(c echo.Context) error {
playerID, err := strconv.Atoi(c.Param("id"))
if err != nil {
return writeError(c, http.StatusBadRequest, "invalid player id")
}
res, err := a.db.Exec(`DELETE FROM players WHERE id = ?`, playerID)
if err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("delete player: %v", err))
}
affected, err := res.RowsAffected()
if err != nil {
return writeError(c, http.StatusInternalServerError, "failed to check delete result")
}
if affected == 0 {
return writeError(c, http.StatusNotFound, "player not found")
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func (a *App) handleAutoGroupPlayers(c echo.Context) error {
var req AutoGroupPlayersRequest
if err := c.Bind(&req); err != nil {
return writeError(c, http.StatusBadRequest, "invalid request body")
}
groups := normalizeGroups(req.Groups)
if len(groups) == 0 {
return writeError(c, http.StatusBadRequest, "at least one group is required")
}
rows, err := a.db.Query(`SELECT id FROM players ORDER BY id ASC`)
if err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("query players: %v", err))
}
defer rows.Close()
playerIDs := []int{}
for rows.Next() {
var id int
if err := rows.Scan(&id); err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("scan player: %v", err))
}
playerIDs = append(playerIDs, id)
}
if err := rows.Err(); err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("read players: %v", err))
}
rng := rand.New(rand.NewSource(time.Now().UnixNano()))
rng.Shuffle(len(playerIDs), func(i, j int) {
playerIDs[i], playerIDs[j] = playerIDs[j], playerIDs[i]
})
tx, err := a.db.Begin()
if err != nil {
return writeError(c, http.StatusInternalServerError, "failed to start transaction")
}
defer tx.Rollback()
for i, playerID := range playerIDs {
groupCode := groups[i%len(groups)]
if _, err := tx.Exec(`UPDATE players SET group_code = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?`, groupCode, playerID); err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("assign player group: %v", err))
}
}
if err := tx.Commit(); err != nil {
return writeError(c, http.StatusInternalServerError, "failed to commit group assignment")
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func (a *App) handleUpdateScore(c echo.Context) error {
stage, err := validateStage(c.Param("stage"))
if err != nil {
return writeError(c, http.StatusBadRequest, err.Error())
}
playerID, err := strconv.Atoi(c.Param("id"))
if err != nil {
return writeError(c, http.StatusBadRequest, "invalid player id")
}
var req ScoreUpdateRequest
if err := c.Bind(&req); err != nil {
return writeError(c, http.StatusBadRequest, "invalid request body")
}
if req.Score < 0 || req.Score > 9999 {
return writeError(c, http.StatusBadRequest, "score must be between 0 and 9999")
}
res, err := a.db.Exec(`
INSERT INTO scores(stage, player_id, score)
VALUES(?, ?, ?)
ON CONFLICT(stage, player_id) DO UPDATE SET score = excluded.score, updated_at = CURRENT_TIMESTAMP
`, stage, playerID, req.Score)
if err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("update score: %v", err))
}
if _, err := res.RowsAffected(); err != nil {
return writeError(c, http.StatusInternalServerError, "failed to check score update")
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func (a *App) handleResetStageScores(c echo.Context) error {
stage, err := validateStage(c.Param("stage"))
if err != nil {
return writeError(c, http.StatusBadRequest, err.Error())
}
var req ResetStageRequest
if err := c.Bind(&req); err != nil && !errors.Is(err, io.EOF) {
return writeError(c, http.StatusBadRequest, "invalid request body")
}
if _, err := a.db.Exec(`UPDATE scores SET score = 0, updated_at = CURRENT_TIMESTAMP WHERE stage = ?`, stage); err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("reset stage scores: %v", err))
}
if req.ResetProofs {
if _, err := a.db.Exec(`DELETE FROM score_attachments WHERE stage = ?`, stage); err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("reset stage proofs: %v", err))
}
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func (a *App) handleUpdateScoreProof(c echo.Context) error {
stage, err := validateStage(c.Param("stage"))
if err != nil {
return writeError(c, http.StatusBadRequest, err.Error())
}
playerID, err := strconv.Atoi(c.Param("id"))
if err != nil {
return writeError(c, http.StatusBadRequest, "invalid player id")
}
var req ScoreProofUpdateRequest
if err := c.Bind(&req); err != nil {
return writeError(c, http.StatusBadRequest, "invalid request body")
}
imageData := strings.TrimSpace(req.ImageData)
if imageData == "" {
return writeError(c, http.StatusBadRequest, "imageData is required")
}
if len(imageData) > 5_000_000 {
return writeError(c, http.StatusBadRequest, "image payload too large")
}
if _, err := a.db.Exec(`
INSERT INTO score_attachments(stage, player_id, image_data)
VALUES(?, ?, ?)
ON CONFLICT(stage, player_id) DO UPDATE SET image_data = excluded.image_data, updated_at = CURRENT_TIMESTAMP
`, stage, playerID, imageData); err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("update score proof: %v", err))
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func (a *App) handleDeleteScoreProof(c echo.Context) error {
stage, err := validateStage(c.Param("stage"))
if err != nil {
return writeError(c, http.StatusBadRequest, err.Error())
}
playerID, err := strconv.Atoi(c.Param("id"))
if err != nil {
return writeError(c, http.StatusBadRequest, "invalid player id")
}
if _, err := a.db.Exec(`DELETE FROM score_attachments WHERE stage = ? AND player_id = ?`, stage, playerID); err != nil {
return writeError(c, http.StatusInternalServerError, fmt.Sprintf("delete score proof: %v", err))
}
a.events.Broadcast()
state, err := a.readState(true)
if err != nil {
return writeError(c, http.StatusInternalServerError, err.Error())
}
return c.JSON(http.StatusOK, state)
}
func validateStage(stage string) (string, error) {
normalized := strings.ToLower(strings.TrimSpace(stage))
for _, allowed := range scoreStages {
if normalized == allowed {
return normalized, nil
}
}
return "", fmt.Errorf("invalid stage")
}
func normalizeGroup(group string) string {
return strings.TrimSpace(group)
}
func normalizeGroups(groups []string) []string {
seen := map[string]bool{}
out := []string{}
for _, group := range groups {
normalized := normalizeGroup(group)
if normalized == "" || seen[normalized] {
continue
}
seen[normalized] = true
out = append(out, normalized)
}
return out
}
func writeError(c echo.Context, status int, message string) error {
return c.JSON(status, map[string]string{"message": message})
}