first

2026-09-14 20:50:19 +02:00
commit 3091fb4020
135 changed files with 10262 additions and 0 deletions
@@ -0,0 +1,128 @@
+package pricing
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+type Handler struct {
+	service *Service
+}
+
+func NewHandler(service *Service) *Handler {
+	return &Handler{service: service}
+}
+
+type tierResponse struct {
+	ID         uuid.UUID `json:"id"`
+	ProductID  uuid.UUID `json:"product_id"`
+	UnitID     uuid.UUID `json:"unit_id"`
+	Quantity   float64   `json:"quantity"`
+	PriceCents int64     `json:"price_cents"`
+	Position   int       `json:"position"`
+}
+
+func toResponse(t *PriceTier) tierResponse {
+	return tierResponse{
+		ID:         t.ID,
+		ProductID:  t.ProductID,
+		UnitID:     t.UnitID,
+		Quantity:   t.Quantity,
+		PriceCents: t.PriceCents,
+		Position:   t.Position,
+	}
+}
+
+func (h *Handler) ListByProduct(c *gin.Context) {
+	productID, err := uuid.Parse(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid product id"})
+		return
+	}
+	list, err := h.service.ListByProduct(c.Request.Context(), productID)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to list price tiers"})
+		return
+	}
+	resp := make([]tierResponse, 0, len(list))
+	for _, t := range list {
+		resp = append(resp, toResponse(t))
+	}
+	c.JSON(http.StatusOK, gin.H{"price_tiers": resp})
+}
+
+type upsertRequest struct {
+	UnitID     uuid.UUID `json:"unit_id" binding:"required"`
+	Quantity   float64   `json:"quantity" binding:"required,gt=0"`
+	PriceCents int64     `json:"price_cents" binding:"gte=0"`
+	Position   int       `json:"position"`
+}
+
+func (h *Handler) Create(c *gin.Context) {
+	productID, err := uuid.Parse(c.Param("id"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid product id"})
+		return
+	}
+	var req upsertRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "validation error", "details": err.Error()})
+		return
+	}
+	t, err := h.service.Create(c.Request.Context(), productID, req.UnitID, req.Quantity, req.PriceCents, req.Position)
+	if err != nil {
+		if errors.Is(err, ErrInvalidReference) {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "product or unit does not exist"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to create price tier"})
+		return
+	}
+	c.JSON(http.StatusCreated, toResponse(t))
+}
+
+func (h *Handler) Update(c *gin.Context) {
+	id, err := uuid.Parse(c.Param("tierId"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid id"})
+		return
+	}
+	var req upsertRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "validation error", "details": err.Error()})
+		return
+	}
+	t, err := h.service.Update(c.Request.Context(), id, req.UnitID, req.Quantity, req.PriceCents, req.Position)
+	if err != nil {
+		switch {
+		case errors.Is(err, ErrNotFound):
+			c.JSON(http.StatusNotFound, gin.H{"error": "price tier not found"})
+		case errors.Is(err, ErrInvalidReference):
+			c.JSON(http.StatusBadRequest, gin.H{"error": "product or unit does not exist"})
+		default:
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to update price tier"})
+		}
+		return
+	}
+	c.JSON(http.StatusOK, toResponse(t))
+}
+
+func (h *Handler) Delete(c *gin.Context) {
+	id, err := uuid.Parse(c.Param("tierId"))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid id"})
+		return
+	}
+	if err := h.service.Delete(c.Request.Context(), id); err != nil {
+		if errors.Is(err, ErrNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "price tier not found"})
+			return
+		}
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to delete price tier"})
+		return
+	}
+	c.Status(http.StatusNoContent)
+}