Added better datetime and fixed transaction fetching for beginning of month, I think, added edit and delete of transactions and categories

src/routes/budget.zig

@@ -232,3 +232,38 @@ pub fn putBudgetCategory(req: *httpz.Request, res: *httpz.Response) !void {
     try handler.returnData(updated_budget_cat.?, res);
     return;
 }
+
+const deleteIdReq = struct {
+    id: u32,
+};
+
+pub fn deleteBudgetCategory(req: *httpz.Request, res: *httpz.Response) !void {
+    var db = handler.getDb();
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    const allocator = gpa.allocator();
+
+    const body = handler.getReqJson(req, res, deleteIdReq) catch {
+        return;
+    };
+
+    const budget_category = try db.selectOneById(models.BudgetCategory, allocator, body.id);
+    if (budget_category == null) {
+        return handler.returnError("Cannot find budget", 404, res);
+    }
+    const budget = try db.selectOneById(models.Budget, allocator, budget_category.?.budget_id);
+    if (budget == null) {
+        return handler.returnError("Cannot find budget", 404, res);
+    }
+
+    _ = auth.verifyRequest(req, res, null, budget.?.family_id) catch {
+        return;
+    };
+
+    try db.updateHideById(models.BudgetCategory, true, body.id);
+
+    const updated_budget_category = try db.selectOneById(models.BudgetCategory, allocator, body.id);
+    if (budget_category == null) {
+        return handler.returnError("Could not delete category", 500, res);
+    }
+    return try handler.returnData(updated_budget_category.?, res);
+}