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eoka_protocol/
download.rs

1use serde::{Deserialize, Serialize};
2
3#[derive(Debug, Clone, Serialize, Deserialize, schemars::JsonSchema)]
4pub struct DownloadStartArgs {
5    #[serde(default)]
6    pub operation_id: Option<String>,
7    pub click: Option<String>,
8    pub url: Option<String>,
9    #[schemars(
10        description = "Absolute output filename. Must not exist; its parent directory must exist."
11    )]
12    pub output: String,
13    pub expect_bytes: Option<u64>,
14    #[serde(default = "default_download_timeout")]
15    #[schemars(range(min = 1, max = 300000))]
16    pub start_timeout_ms: u64,
17}
18
19impl DownloadStartArgs {
20    pub fn validate(&self) -> Result<(), String> {
21        if self.click.is_some() == self.url.is_some() {
22            return Err("Exactly one of click or url is required".into());
23        }
24        if self
25            .click
26            .as_ref()
27            .is_some_and(|value| value.trim().is_empty())
28        {
29            return Err("Click target must not be empty".into());
30        }
31        if !std::path::Path::new(&self.output).is_absolute() {
32            return Err("Download output must be an absolute filename".into());
33        }
34        if self.start_timeout_ms == 0 || self.start_timeout_ms > 300_000 {
35            return Err("start_timeout_ms must be between 1 and 300000".into());
36        }
37        Ok(())
38    }
39}
40
41pub fn default_download_timeout() -> u64 {
42    30_000
43}
44
45#[derive(Debug, Clone, Serialize, Deserialize, schemars::JsonSchema)]
46pub struct DownloadIdArgs {
47    pub id: String,
48}
49
50#[derive(Debug, Clone, Serialize, Deserialize, schemars::JsonSchema)]
51pub struct DownloadWaitArgs {
52    pub id: String,
53    #[serde(default = "default_download_timeout")]
54    #[schemars(range(min = 1, max = 86400000))]
55    pub timeout_ms: u64,
56}
57
58#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize, schemars::JsonSchema)]
59#[serde(rename_all = "snake_case")]
60pub enum DownloadState {
61    Pending,
62    Downloading,
63    Verifying,
64    Completed,
65    Canceled,
66    Failed,
67}
68
69impl DownloadState {
70    pub fn is_terminal(self) -> bool {
71        matches!(self, Self::Completed | Self::Canceled | Self::Failed)
72    }
73}
74
75#[derive(Debug, Clone, Serialize, Deserialize, schemars::JsonSchema)]
76pub struct DownloadRecord {
77    #[serde(default)]
78    pub native_guid: Option<String>,
79    #[serde(default)]
80    pub native_complete: bool,
81    #[serde(default)]
82    pub sha256: Option<String>,
83    pub id: String,
84    pub tab_id: String,
85    pub state: DownloadState,
86    pub output: String,
87    pub published_path: Option<String>,
88    pub staging_path: Option<String>,
89    pub received_bytes: u64,
90    pub total_bytes: Option<u64>,
91    pub suggested_filename: Option<String>,
92    pub source_url: Option<String>,
93    pub created_at_ms: u64,
94    pub updated_at_ms: u64,
95    pub error: Option<crate::ErrorDetail>,
96}
97
98#[cfg(test)]
99mod tests {
100    use super::*;
101
102    #[test]
103    fn download_inputs_reject_ambiguous_triggers_and_relative_paths() {
104        let mut args = DownloadStartArgs {
105            operation_id: None,
106            click: Some("@e1".into()),
107            url: None,
108            output: "/tmp/file".into(),
109            expect_bytes: None,
110            start_timeout_ms: 30_000,
111        };
112        assert!(args.validate().is_ok());
113        args.url = Some("https://example.com/file".into());
114        assert!(args.validate().is_err());
115        args.url = None;
116        args.output = "relative".into();
117        assert!(args.validate().is_err());
118    }
119}