feat(m3): week close, overtime/undertime delta, frozen settings snapshot

internal/handler/week_handler.go

@@ -0,0 +1,81 @@
+package handler
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/wotra/wotra/internal/service"
+)
+
+// WeekHandler serves /api/weeks routes.
+type WeekHandler struct {
+	svc *service.WeekService
+}
+
+func NewWeekHandler(svc *service.WeekService) *WeekHandler {
+	return &WeekHandler{svc: svc}
+}
+
+func (h *WeekHandler) Routes(r chi.Router) {
+	r.Get("/weeks", h.List)
+	r.Post("/weeks/{week_key}/close", h.Close)
+	r.Delete("/weeks/{week_key}/close", h.Reopen)
+}
+
+// List GET /api/weeks?from=YYYY-Www&to=YYYY-Www
+func (h *WeekHandler) List(w http.ResponseWriter, r *http.Request) {
+	from := r.URL.Query().Get("from")
+	to := r.URL.Query().Get("to")
+	if from == "" {
+		from = "0000-W01"
+	}
+	if to == "" {
+		to = "9999-W53"
+	}
+	weeks, err := h.svc.ListWeeks(r.Context(), from, to)
+	if err != nil {
+		writeError(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	if weeks == nil {
+		writeJSON(w, http.StatusOK, []struct{}{})
+		return
+	}
+	writeJSON(w, http.StatusOK, weeks)
+}
+
+// Close POST /api/weeks/{week_key}/close
+func (h *WeekHandler) Close(w http.ResponseWriter, r *http.Request) {
+	weekKey := chi.URLParam(r, "week_key")
+	cw, err := h.svc.CloseWeek(r.Context(), weekKey)
+	if err != nil {
+		switch {
+		case errors.Is(err, service.ErrWeekAlreadyClosed):
+			writeError(w, http.StatusConflict, err.Error())
+		case errors.Is(err, service.ErrWeekHasUnclosedDays):
+			writeError(w, http.StatusUnprocessableEntity, err.Error())
+		case errors.Is(err, service.ErrNoSettings):
+			writeError(w, http.StatusUnprocessableEntity, err.Error())
+		default:
+			writeError(w, http.StatusInternalServerError, err.Error())
+		}
+		return
+	}
+	writeJSON(w, http.StatusOK, cw)
+}
+
+// Reopen DELETE /api/weeks/{week_key}/close
+func (h *WeekHandler) Reopen(w http.ResponseWriter, r *http.Request) {
+	weekKey := chi.URLParam(r, "week_key")
+	if err := h.svc.ReopenWeek(r.Context(), weekKey); err != nil {
+		switch {
+		case errors.Is(err, service.ErrWeekNotClosed):
+			writeError(w, http.StatusNotFound, err.Error())
+		default:
+			writeError(w, http.StatusInternalServerError, err.Error())
+		}
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}