feat(server): initial implementation

This commit captures the full server code accumulated across
several development sessions. It includes the following layers,
applied in roughly this order during development:

1. Base infrastructure
   - cmd/poc-server HTTP+WebSocket server, /health, /stats
   - internal/transport wire types (Envelope + all message types)
   - internal/catalog, internal/realtime, internal/stats
   - internal/storage/postgres with migrations 001-004
   - .env, .env.example, docker-compose, Dockerfile, scripts/

2. Swagger documentation
   - go get github.com/swaggo/http-swagger
   - swag init produces docs/docs.go
   - /swagger/index.html UI, /swagger/doc.json spec
   - annotations on health/stats/ws and catalog handlers

3. Races API
   - internal/races/{store,service,keyset,types}.go
   - migration 005_races.sql: finished_races, race_plans, race_queue
   - GET /api/races with keyset pagination, status filter
   - GET /api/races/upcoming
   - POST /api/races/queue/join, GET, DELETE
   - POST/GET /api/races/plans, DELETE /{id}
   - lobby.RaceMeta simplification (no host_id/host_name)

4. Races seeder
   - internal/races/seed with deterministic generator
   - --seed-races / --reset CLI flags in main.go
   - 30 finished + 5 live + 5 plans + 4 queue entries

5. Drivers and clans
   - internal/drivers, internal/clans (CRUD, validation)
   - migration 008_drivers_clans.sql
   - /api/clans and /api/drivers endpoints
   - 3-letter uppercase nickname/tag validation
   - lobby.DriverMeta: Nickname, AvatarURL, ClanID, ClanTag

6. Podium
   - internal/transport.RacePodiumEntry
   - lobby.SetDriverProfile for in-memory metadata sync
   - migration 007_podium.sql (podium JSONB column)
   - seeder populates top-3 per finished race

7. Live races persistence
   - migration 009_live_persistence.sql: live_races,
     live_race_drivers, lobby_drivers
   - internal/races/live_store.go: LiveStore with write-side
     mirror for lobby.Service mutations
   - Service.collectLive and Upcoming read from Postgres
   - main.go RestoreFromDB rehydrates lobby on startup

8. Unify live + finished into one races table
   - migration 010_unify_races.sql: rename finished_races to
     races, expand status CHECK, merge live rows
   - PgStore now hosts both write paths; LiveStore is a
     thin facade implementing lobby.Persistence
   - seeder resetAll drops only finished/cancelled rows and
     race_plans / race_queue / lobby_drivers

Each layer is consistent on its own; cross-layer changes are
visible in the file history. A future refactor may split this
commit into the per-stage boundaries listed above.
This commit is contained in:
x0gp
2026-06-22 22:01:09 +04:00
commit 978d36c505
71 changed files with 23500 additions and 0 deletions
@@ -0,0 +1,418 @@
// HTTP handlers for /api/drivers and /api/clans.
//
// Routes:
//
// POST /api/clans create clan
// GET /api/clans list clans (limit, offset)
// GET /api/clans/{id} get clan by id
// PUT /api/clans/{id} update clan
// DELETE /api/clans/{id} delete clan
// GET /api/clans/by-tag/{tag} get clan by 3-letter tag
//
// POST /api/drivers create driver
// GET /api/drivers list drivers (limit, offset, clan_id)
// GET /api/drivers/{id} get driver by id
// PUT /api/drivers/{id} update driver
// DELETE /api/drivers/{id} delete driver
// GET /api/drivers/by-nick/{nick} get driver by 3-letter nickname
package main
import (
"encoding/json"
"errors"
"net/http"
"strconv"
"strings"
"github.com/x0gp/server/internal/clans"
"github.com/x0gp/server/internal/drivers"
"github.com/x0gp/server/internal/transport"
)
// ---------------------------------------------------------------------------
// /api/clans
// ---------------------------------------------------------------------------
// clansCreateHandler godoc
// @Summary Create a clan
// @Description Creates a new clan. `tag` must be exactly 3 uppercase ASCII letters (e.g. "ACE") and unique.
// @Tags clans
// @Accept json
// @Produce json
// @Param clan body transport.ClanCreateRequest true "Clan to create"
// @Success 201 {object} transport.Clan "Created clan"
// @Failure 400 {object} map[string]interface{} "Invalid input (tag must be 3 uppercase letters)"
// @Failure 409 {object} map[string]interface{} "Clan with that tag already exists"
// @Failure 500 {object} map[string]interface{} "Internal server error"
// @Router /api/clans [post]
func clansCreateHandler(svc *clans.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req transport.ClanCreateRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
writeError(w, http.StatusBadRequest, "bad_request", err.Error())
return
}
c, err := svc.Create(r.Context(), clans.CreateInput{
ID: req.ID,
Tag: req.Tag,
Name: req.Name,
AvatarURL: req.AvatarURL,
})
if err != nil {
if errors.Is(err, clans.ErrInvalidInput) {
writeError(w, http.StatusBadRequest, "invalid_input", err.Error())
return
}
if errors.Is(err, clans.ErrAlreadyExists) {
writeError(w, http.StatusConflict, "already_exists", err.Error())
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusCreated, clanToWire(c))
}
}
// clansListHandler godoc
// @Summary List clans
// @Description Returns clans ordered by tag. Limit 1..200, default 50.
// @Tags clans
// @Produce json
// @Param limit query int false "Page size"
// @Param offset query int false "Page offset"
// @Success 200 {object} transport.ClanListResponse "Page of clans"
// @Failure 500 {object} map[string]interface{} "Internal server error"
// @Router /api/clans [get]
func clansListHandler(svc *clans.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
limit, _ := strconv.Atoi(r.URL.Query().Get("limit"))
offset, _ := strconv.Atoi(r.URL.Query().Get("offset"))
rows, err := svc.List(r.Context(), limit, offset)
if err != nil {
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
out := make([]transport.Clan, 0, len(rows))
for _, c := range rows {
out = append(out, clanToWire(c))
}
writeJSON(w, http.StatusOK, transport.ClanListResponse{Items: out, Count: len(out)})
}
}
// clansByIDHandler godoc
// @Summary Get / update / delete a clan by id
// @Description Dispatches on HTTP method.
// @Tags clans
// @Produce json
// @Consume json
// @Param id path string true "Clan id"
// @Param clan body transport.ClanUpdateRequest false "Patch payload (only for PUT)"
// @Success 200 {object} transport.Clan "Clan payload or update result"
// @Success 204 {object} transport.Clan "Delete ack"
// @Failure 400 {object} map[string]interface{} "Bad request"
// @Failure 404 {object} map[string]interface{} "Clan not found"
// @Failure 500 {object} map[string]interface{} "Internal server error"
// @Router /api/clans/{id} [get]
// @Router /api/clans/{id} [put]
// @Router /api/clans/{id} [delete]
func clansByIDHandler(svc *clans.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := strings.TrimPrefix(r.URL.Path, "/api/clans/")
if id == "" {
writeError(w, http.StatusBadRequest, "bad_request", "missing clan id")
return
}
// Special-case: /api/clans/by-tag/{tag}
if strings.HasPrefix(id, "by-tag/") {
tag := strings.TrimPrefix(id, "by-tag/")
if tag == "" {
writeError(w, http.StatusBadRequest, "bad_request", "missing clan tag")
return
}
c, err := svc.GetByTag(r.Context(), tag)
if err != nil {
if errors.Is(err, clans.ErrNotFound) {
writeError(w, http.StatusNotFound, "not_found", "clan not found")
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusOK, clanToWire(c))
return
}
switch r.Method {
case http.MethodGet:
c, err := svc.Get(r.Context(), id)
if err != nil {
if errors.Is(err, clans.ErrNotFound) {
writeError(w, http.StatusNotFound, "not_found", "clan not found")
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusOK, clanToWire(c))
case http.MethodPut:
var req transport.ClanUpdateRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
writeError(w, http.StatusBadRequest, "bad_request", err.Error())
return
}
c, err := svc.Update(r.Context(), id, clans.UpdateInput{
Name: req.Name,
AvatarURL: req.AvatarURL,
})
if err != nil {
if errors.Is(err, clans.ErrNotFound) {
writeError(w, http.StatusNotFound, "not_found", "clan not found")
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusOK, clanToWire(c))
case http.MethodDelete:
if err := svc.Delete(r.Context(), id); err != nil {
if errors.Is(err, clans.ErrNotFound) {
writeError(w, http.StatusNotFound, "not_found", "clan not found")
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusOK, map[string]any{"ok": true, "id": id})
default:
w.Header().Set("Allow", "GET PUT DELETE")
writeError(w, http.StatusMethodNotAllowed, "method_not_allowed", r.Method)
}
}
}
// ---------------------------------------------------------------------------
// /api/drivers
// ---------------------------------------------------------------------------
// driversCreateHandler godoc
// @Summary Create a driver
// @Description Creates a new driver. `nickname` must be exactly 3 uppercase ASCII letters (e.g. "ACE") and unique. `clan_id` is optional and must reference an existing clan.
// @Tags drivers
// @Accept json
// @Produce json
// @Param driver body transport.DriverCreateRequest true "Driver to create"
// @Success 201 {object} transport.Driver "Created driver"
// @Failure 400 {object} map[string]interface{} "Invalid input (nickname must be 3 uppercase letters)"
// @Failure 409 {object} map[string]interface{} "Driver with that nickname already exists"
// @Failure 500 {object} map[string]interface{} "Internal server error"
// @Router /api/drivers [post]
func driversCreateHandler(svc *drivers.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req transport.DriverCreateRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
writeError(w, http.StatusBadRequest, "bad_request", err.Error())
return
}
d, err := svc.Create(r.Context(), drivers.CreateInput{
ID: req.ID,
Nickname: req.Nickname,
Name: req.Name,
AvatarURL: req.AvatarURL,
ClanID: req.ClanID,
})
if err != nil {
if errors.Is(err, drivers.ErrInvalidInput) {
writeError(w, http.StatusBadRequest, "invalid_input", err.Error())
return
}
if errors.Is(err, drivers.ErrAlreadyExists) {
writeError(w, http.StatusConflict, "already_exists", err.Error())
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusCreated, driverToWire(d))
}
}
// driversListHandler godoc
// @Summary List drivers
// @Description Returns drivers ordered by nickname. Optional `clan_id` filter.
// @Tags drivers
// @Produce json
// @Param limit query int false "Page size"
// @Param offset query int false "Page offset"
// @Param clan_id query string false "Filter by clan id"
// @Success 200 {object} transport.DriverListResponse "Page of drivers"
// @Failure 500 {object} map[string]interface{} "Internal server error"
// @Router /api/drivers [get]
func driversListHandler(svc *drivers.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
limit, _ := strconv.Atoi(r.URL.Query().Get("limit"))
offset, _ := strconv.Atoi(r.URL.Query().Get("offset"))
clanID := r.URL.Query().Get("clan_id")
rows, err := svc.List(r.Context(), limit, offset, clanID)
if err != nil {
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
out := make([]transport.Driver, 0, len(rows))
for _, d := range rows {
out = append(out, driverToWire(d))
}
writeJSON(w, http.StatusOK, transport.DriverListResponse{Items: out, Count: len(out)})
}
}
// driversByIDHandler godoc
// @Summary Get / update / delete a driver by id
// @Description Dispatches on HTTP method. Path `/api/drivers/by-nick/{nick}` is a convenience that returns the driver by 3-letter nickname.
// @Tags drivers
// @Produce json
// @Consume json
// @Param id path string true "Driver id"
// @Param driver body transport.DriverUpdateRequest false "Patch payload (only for PUT)"
// @Success 200 {object} transport.Driver "Driver payload or update result"
// @Success 204 {object} transport.Driver "Delete ack"
// @Failure 400 {object} map[string]interface{} "Bad request"
// @Failure 404 {object} map[string]interface{} "Driver not found"
// @Failure 500 {object} map[string]interface{} "Internal server error"
// @Router /api/drivers/{id} [get]
// @Router /api/drivers/{id} [put]
// @Router /api/drivers/{id} [delete]
func driversByIDHandler(svc *drivers.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
id := strings.TrimPrefix(r.URL.Path, "/api/drivers/")
if id == "" {
writeError(w, http.StatusBadRequest, "bad_request", "missing driver id")
return
}
if strings.HasPrefix(id, "by-nick/") {
nick := strings.TrimPrefix(id, "by-nick/")
if nick == "" {
writeError(w, http.StatusBadRequest, "bad_request", "missing driver nickname")
return
}
d, err := svc.GetByNickname(r.Context(), nick)
if err != nil {
if errors.Is(err, drivers.ErrNotFound) {
writeError(w, http.StatusNotFound, "not_found", "driver not found")
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusOK, driverToWire(d))
return
}
switch r.Method {
case http.MethodGet:
d, err := svc.Get(r.Context(), id)
if err != nil {
if errors.Is(err, drivers.ErrNotFound) {
writeError(w, http.StatusNotFound, "not_found", "driver not found")
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusOK, driverToWire(d))
case http.MethodPut:
var req transport.DriverUpdateRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
writeError(w, http.StatusBadRequest, "bad_request", err.Error())
return
}
d, err := svc.Update(r.Context(), id, drivers.UpdateInput{
Name: req.Name,
AvatarURL: req.AvatarURL,
ClanID: req.ClanID,
})
if err != nil {
if errors.Is(err, drivers.ErrNotFound) {
writeError(w, http.StatusNotFound, "not_found", "driver not found")
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusOK, driverToWire(d))
case http.MethodDelete:
if err := svc.Delete(r.Context(), id); err != nil {
if errors.Is(err, drivers.ErrNotFound) {
writeError(w, http.StatusNotFound, "not_found", "driver not found")
return
}
writeError(w, http.StatusInternalServerError, "internal", err.Error())
return
}
writeJSON(w, http.StatusOK, map[string]any{"ok": true, "id": id})
default:
w.Header().Set("Allow", "GET PUT DELETE")
writeError(w, http.StatusMethodNotAllowed, "method_not_allowed", r.Method)
}
}
}
// ---------------------------------------------------------------------------
// Conversions
// ---------------------------------------------------------------------------
func clanToWire(c clans.Clan) transport.Clan {
return transport.Clan{
ID: c.ID,
Tag: c.Tag,
Name: c.Name,
AvatarURL: c.AvatarURL,
CreatedMs: c.CreatedMs,
UpdatedMs: c.UpdatedMs,
}
}
func driverToWire(d drivers.Driver) transport.Driver {
return transport.Driver{
ID: d.ID,
Nickname: d.Nickname,
Name: d.Name,
AvatarURL: d.AvatarURL,
ClanID: d.ClanID,
CreatedMs: d.CreatedMs,
UpdatedMs: d.UpdatedMs,
}
}
// ---------------------------------------------------------------------------
// Method routers
// ---------------------------------------------------------------------------
// clansRouter routes /api/clans to GET (list) or POST (create).
func clansRouter(svc *clans.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case http.MethodGet:
clansListHandler(svc)(w, r)
case http.MethodPost:
clansCreateHandler(svc)(w, r)
default:
w.Header().Set("Allow", "GET POST")
writeError(w, http.StatusMethodNotAllowed, "method_not_allowed", r.Method)
}
}
}
// driversRouter routes /api/drivers to GET (list) or POST (create).
func driversRouter(svc *drivers.Service) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
switch r.Method {
case http.MethodGet:
driversListHandler(svc)(w, r)
case http.MethodPost:
driversCreateHandler(svc)(w, r)
default:
w.Header().Set("Allow", "GET POST")
writeError(w, http.StatusMethodNotAllowed, "method_not_allowed", r.Method)
}
}
}