Implement update Assignment on backend

server/category.go

@@ -0,0 +1,55 @@
+package server
+
+import (
+	"fmt"
+	"net/http"
+
+	"git.javil.eu/jacob1123/budgeteer/postgres"
+	"git.javil.eu/jacob1123/budgeteer/postgres/numeric"
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+type SetCategoryAssignmentRequest struct {
+	Assigned string
+}
+
+func (h *Handler) setCategoryAssignment(c *gin.Context) {
+	categoryID := c.Param("categoryid")
+	categoryUUID, err := uuid.Parse(categoryID)
+	if err != nil {
+		c.AbortWithStatusJSON(http.StatusBadRequest, ErrorResponse{"categoryid missing from URL"})
+		return
+	}
+
+	var request SetCategoryAssignmentRequest
+	err = c.BindJSON(&request)
+	if err != nil {
+		c.AbortWithError(http.StatusBadRequest, fmt.Errorf("invalid payload: %w", err))
+		return
+	}
+
+	date, err := getDate(c)
+	if err != nil {
+		c.AbortWithError(http.StatusBadRequest, fmt.Errorf("date invalid: %w", err))
+		return
+	}
+
+	var amount numeric.Numeric
+	err = amount.Set(request.Assigned)
+	if err != nil {
+		c.AbortWithError(http.StatusBadRequest, fmt.Errorf("parse amount: %w", err))
+		return
+	}
+
+	updateArgs := postgres.UpdateAssignmentParams{
+		CategoryID: categoryUUID,
+		Date:       date,
+		Amount:     amount,
+	}
+	err = h.Service.UpdateAssignment(c.Request.Context(), updateArgs)
+	if err != nil {
+		c.AbortWithError(http.StatusInternalServerError, fmt.Errorf("update assignment: %w", err))
+		return
+	}
+}

server/http.go

@@ -64,6 +64,7 @@ func (h *Handler) LoadRoutes(router *gin.Engine) {
 	budget.POST("/new", h.newBudget)
 	budget.GET("/:budgetid", h.budgeting)
 	budget.GET("/:budgetid/:year/:month", h.budgetingForMonth)
+	budget.POST("/:budgetid/category/:categoryid/:year/:month", h.setCategoryAssignment)
 	budget.GET("/:budgetid/autocomplete/payees", h.autocompletePayee)
 	budget.GET("/:budgetid/autocomplete/categories", h.autocompleteCategories)
 	budget.DELETE("/:budgetid", h.deleteBudget)