edc_web_components/pages/
show_transfer_process.rs

1use crate::components::TransferProcessStatus;
2use crate::contexts::use_edc_connector_context;
3use edc_connector_client::types::transfer_process::TransferProcessState;
4use patternfly_yew::prelude::*;
5use web_sys::wasm_bindgen::{JsCast, JsValue};
6use web_sys::{BlobPropertyBag, HtmlAnchorElement};
7use yew::platform::spawn_local;
8use yew::prelude::*;
9use yew::suspense::use_future_with;
10
11#[derive(Clone, Debug, PartialEq, Properties)]
12pub struct ShowTransferProcessPageProps {
13  pub transfer_process_id: String,
14}
15
16#[component]
17pub fn ShowTransferProcessPage(props: &ShowTransferProcessPageProps) -> Html {
18  html!(
19    <>
20      <Title level={Level::H2} size={Size::XXXLarge}>{ "Transfer Process" }</Title>
21      <Suspense fallback="Loading ...">
22        <ShowTransferProcessPageInner transfer_process_id={props.transfer_process_id.clone()} />
23      </Suspense>
24    </>
25  )
26}
27
28#[component]
29pub fn ShowTransferProcessPageInner(props: &ShowTransferProcessPageProps) -> HtmlResult {
30  let edc_connector_client = use_edc_connector_context();
31
32  let refresh = use_state(|| 0usize);
33
34  let transfer_process = use_future_with(
35    (
36      props.transfer_process_id.clone(),
37      edc_connector_client.clone(),
38      refresh.clone(),
39    ),
40    |properties| async move {
41      let (transfer_process_id, edc_connector_client, _) = (*properties).clone();
42
43      if let Some(client) = edc_connector_client.get_client() {
44        client
45          .transfer_processes(edc_connector_client::EdcConnectorApiVersion::V4)
46          .get(&transfer_process_id)
47          .await
48          .ok()
49      } else {
50        None
51      }
52    },
53  )?;
54
55  let on_started = use_callback(refresh.setter(), |_, refresh_setter| {
56    refresh_setter.set(1);
57  });
58
59  let on_finalized = use_callback(refresh.setter(), |_, refresh_setter| {
60    refresh_setter.set(1);
61  });
62
63  let transfer_process = (*transfer_process).clone();
64
65  let do_transfer = use_callback(
66    edc_connector_client.clone(),
67    |transfer_process_id: String, edc_connector_client| {
68      let edc_connector_client = edc_connector_client.clone();
69      let transfer_process_id = transfer_process_id.clone();
70
71      spawn_local(async move {
72        if let Some(client) = edc_connector_client.get_client()
73          && let Ok(data_address) = client
74            .edrs(edc_connector_client::EdcConnectorApiVersion::V3)
75            .get_data_address(&transfer_process_id)
76            .await
77          && let Ok(Some(endpoint)) = data_address.property::<String>("endpoint")
78          && let Ok(Some(authorization)) = data_address.property::<String>("authorization")
79        {
80          let client = reqwest::Client::new();
81
82          if let Ok(response) = client
83            .get(endpoint)
84            .header("Authorization", authorization)
85            .send()
86            .await
87          {
88            let content_type = response
89              .headers()
90              .get("Content-Type")
91              .map(|header_value| {
92                header_value
93                  .to_str()
94                  .unwrap_or("application/octet-stream")
95                  .to_string()
96              })
97              .unwrap_or("application/octet-stream".to_string());
98
99            let extension = mime2ext::mime2ext(&content_type).unwrap_or("bin");
100
101            log::info!("Response: {:?}", content_type);
102            log::info!("Response: {:?}", response.status());
103
104            if let Ok(data) = response.bytes().await
105              && let Err(error) =
106                save_byte_array(&format!("data.{extension}"), &content_type, &data)
107            {
108              log::error!("Error saving byte array: {:?}", error);
109            }
110          }
111        }
112      });
113    },
114  );
115
116  if let Some(transfer_process) = transfer_process {
117    let transfer_proces_id = transfer_process.id().to_string();
118
119    let start_edrs = if transfer_process.state() == &TransferProcessState::Started {
120      html!(
121        <Button
122          variant={ButtonVariant::Primary}
123          onclick={do_transfer.reform(move |_| transfer_proces_id.clone())}
124        >
125          { "Retrieve Dataset" }
126        </Button>
127      )
128    } else {
129      html!()
130    };
131
132    Ok(html!(
133      <Stack gutter=true>
134        <StackItem>
135          <DescriptionList mode={[DescriptionListMode::Horizontal]}>
136            <DescriptionGroup term="Id">{ transfer_process.id() }</DescriptionGroup>
137            <DescriptionGroup term="Contract Agreement Id">
138              { transfer_process.contract_id() }
139            </DescriptionGroup>
140            <DescriptionGroup term="Correlation Contract Agreement ID">
141              { transfer_process.correlation_id() }
142            </DescriptionGroup>
143            <DescriptionGroup term="Asset ID">{ transfer_process.asset_id() }</DescriptionGroup>
144            <DescriptionGroup term="Transfer Type">
145              { transfer_process.transfer_type() }
146            </DescriptionGroup>
147          </DescriptionList>
148        </StackItem>
149        <StackItem>
150          <TransferProcessStatus
151            transfer_process_id={props.transfer_process_id.clone()}
152            {on_started}
153            {on_finalized}
154          />
155        </StackItem>
156        <StackItem>{ start_edrs }</StackItem>
157      </Stack>
158    ))
159  } else {
160    Ok(html!(
161      format!(
162      "Transfer Process with id {} not found.",
163      props.transfer_process_id
164    )
165    ))
166  }
167}
168
169fn save_byte_array(name: &str, mime_type: &str, data: &[u8]) -> Result<(), JsValue> {
170  use web_sys::{Blob, Url, js_sys::Uint8Array};
171
172  // Build file data & metadata
173  let props = BlobPropertyBag::new();
174  props.set_type(mime_type);
175
176  let blob = Blob::new_with_u8_array_sequence_and_options(
177    &JsValue::from(vec![Uint8Array::new_from_slice(data)]),
178    &props,
179  )?;
180
181  // Add the link element
182  let document = web_sys::window()
183    .and_then(|window| window.document())
184    .ok_or(JsValue::null())?;
185
186  let link = document.create_element("a")?;
187
188  // Set link attributes
189  let url = Url::create_object_url_with_blob(&blob)?;
190  link.set_attribute("href", &url)?;
191  link.set_attribute("download", name)?;
192
193  link.dyn_into::<HtmlAnchorElement>()?.click();
194  Url::revoke_object_url(&url)?;
195
196  Ok(())
197}
edc_web_components/pages/show_transfer_process.rs

edc_web_components/pages/
show_transfer_process.rs
