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use std::collections::HashMap;
use crate::error::Error;
use crate::Date;
use crate::DateInit;
use crate::Result;
use worker_sys::{File as EdgeFile, FormData as EdgeFormData};
use js_sys::Array;
use wasm_bindgen::prelude::*;
use wasm_bindgen::JsCast;
use wasm_bindgen_futures::JsFuture;
pub enum FormEntry {
Field(String),
File(File),
}
#[derive(Debug)]
pub struct FormData(EdgeFormData);
impl FormData {
pub fn new() -> Self {
Self(EdgeFormData::new().unwrap())
}
pub fn get(&self, name: &str) -> Option<FormEntry> {
let val = self.0.get(name);
if val.is_undefined() {
return None;
}
if val.is_instance_of::<EdgeFile>() {
return Some(FormEntry::File(File(val.into())));
}
if let Some(field) = val.as_string() {
return Some(FormEntry::Field(field));
}
return None;
}
pub fn get_all(&self, name: &str) -> Option<Vec<FormEntry>> {
let val = self.0.get_all(name);
if val.is_undefined() {
return None;
}
if Array::is_array(&val) {
return Some(
val.to_vec()
.into_iter()
.map(|val| {
if val.is_instance_of::<EdgeFile>() {
return FormEntry::File(File(val.into()));
}
return FormEntry::Field(val.as_string().unwrap_or_default());
})
.collect(),
);
}
None
}
pub fn has(&self, name: &str) -> bool {
self.0.has(name)
}
pub fn append(&mut self, name: &str, value: &str) -> Result<()> {
self.0.append_with_str(name, value).map_err(Error::from)
}
pub fn set(&mut self, name: &str, value: &str) -> Result<()> {
self.0.set_with_str(name, value).map_err(Error::from)
}
pub fn delete(&mut self, name: &str) {
self.0.delete(name)
}
}
impl From<JsValue> for FormData {
fn from(val: JsValue) -> Self {
FormData(val.into())
}
}
impl From<HashMap<&dyn AsRef<&str>, &dyn AsRef<&str>>> for FormData {
fn from(m: HashMap<&dyn AsRef<&str>, &dyn AsRef<&str>>) -> Self {
let mut formdata = FormData::new();
for (k, v) in m {
formdata.set(k.as_ref(), v.as_ref()).unwrap();
}
formdata
}
}
pub struct File(EdgeFile);
impl File {
pub fn new(data: Vec<u8>, name: &str) -> Self {
let arr = Array::new();
for byte in data.into_iter() {
arr.push(&byte.into());
}
let file = EdgeFile::new_with_u8_array_sequence(&JsValue::from(arr), name).unwrap();
Self(file)
}
pub fn name(&self) -> String {
self.0.name()
}
pub async fn bytes(&self) -> Result<Vec<u8>> {
JsFuture::from(self.0.array_buffer())
.await
.map(|val| js_sys::Uint8Array::new(&val).to_vec())
.map_err(|e| {
Error::JsError(
e.as_string()
.unwrap_or_else(|| "failed to read array buffer from file".into()),
)
})
}
pub fn last_modified(&self) -> Date {
DateInit::Millis(self.0.last_modified() as u64).into()
}
}
impl From<EdgeFile> for File {
fn from(file: EdgeFile) -> Self {
Self(file)
}
}