Is it silly to POST to a server action to get redirected to another URL?

[raw trail]

I have this (simplified) filter form in my app. It's a server component that makes a POST request to a server action, which then applies URL search params and redirects to updated URL.

[dusk stirrup]

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[raw trail]

    async function handleSearch(formData: FormData) {
      "use server";
    
      const values = Object.fromEntries(formData.entries());
    
      const { query, category, maxPrice, zipcode } =
        advertisementFilterSchema.parse(values);
    
      const searchParams = new 
        ...(query && { query }),
        ...(category && { category }),
        ...(maxPrice && { maxPrice }),
        ...(zipcode && { zipcode }),
      });
    
      redirect(`/?${searchParams.toString()}`);
    }
    
    interface FilterBarProps {
      defaultValues: FilterValues;
    }
    
    export default function FilterBar({ defaultValues }: FilterBarProps) {
      return (
        <div>
          <p>Filter results</p>
          <form action={handleSearch}>
            <Input
              name="query"
              type="search"
              placeholder="What are you looking for?"
              defaultValue={defaultValues.query}
            />
            <Input
              name="zipcode"
              type="text"
              placeholder="Zipcode"
              defaultValue={defaultValues.zipcode}
            />
            <div className="relative">
              <select
                name="category"
                defaultValue={defaultValues.category || "all"}
              >
                <option value="all">All categories</option>
                {categories.map((category) => (
                  <option key={category} value={category}>
                    {category}
                  </option>
                ))}
              </select>
            </div>
            <Input
              name="maxPrice"
              type="text"
              placeholder="Max price"
              defaultValue={defaultValues.maxPrice}
            />
            // This uses useFormStatus to show a loading indicator
            <FormSubmitButton>
              <Search size={20} /> Find
            </FormSubmitButton>
          </form>
        </div>
      );
    }