Implement assignment import and clear of budget

http/budgeting.go

@@ -2,6 +2,7 @@ package http
 
 import (
 	"context"
+	"fmt"
 	"net/http"
 	"strconv"
 	"time"
@@ -75,3 +76,28 @@ func (h *Handler) budgeting(c *gin.Context) {
 
 	c.HTML(http.StatusOK, "budgeting.html", d)
 }
+
+func (h *Handler) clearBudget(c *gin.Context) {
+	budgetID := c.Param("budgetid")
+	budgetUUID, err := uuid.Parse(budgetID)
+	if err != nil {
+		c.Redirect(http.StatusTemporaryRedirect, "/login")
+		return
+	}
+
+	rows, err := h.Service.DB.DeleteAllAssignments(c.Request.Context(), budgetUUID)
+	if err != nil {
+		c.AbortWithError(http.StatusInternalServerError, err)
+		return
+	}
+
+	fmt.Printf("Deleted %d assignments\n", rows)
+
+	rows, err = h.Service.DB.DeleteAllTransactions(c.Request.Context(), budgetUUID)
+	if err != nil {
+		c.AbortWithError(http.StatusInternalServerError, err)
+		return
+	}
+
+	fmt.Printf("Deleted %d transactions\n", rows)
+}