dynoxide/actions/
tag_resource.rs

1use crate::actions::helpers;
2use crate::errors::{DynoxideError, Result};
3use crate::storage_backend::StorageBackend;
4use crate::types::Tag;
5use serde::{Deserialize, Serialize};
6
7#[derive(Debug, Default, Deserialize)]
8pub struct TagResourceRequest {
9    #[serde(rename = "ResourceArn", default)]
10    pub resource_arn: Option<String>,
11    #[serde(rename = "Tags", default)]
12    pub tags: Vec<Tag>,
13}
14
15#[derive(Debug, Default, Serialize)]
16pub struct TagResourceResponse {}
17
18pub async fn execute<S: StorageBackend>(
19    storage: &S,
20    request: TagResourceRequest,
21) -> Result<TagResourceResponse> {
22    let arn = request.resource_arn.as_deref().unwrap_or("");
23    if arn.is_empty() {
24        return Err(DynoxideError::ValidationException(
25            "Invalid TableArn".to_string(),
26        ));
27    }
28    let table_name = helpers::parse_table_name_from_arn(arn)?;
29
30    // Validate tags before checking table existence (DynamoDB validates input first)
31    if request.tags.is_empty() {
32        return Err(DynoxideError::ValidationException(
33            "Atleast one Tag needs to be provided as Input.".to_string(),
34        ));
35    }
36    for tag in &request.tags {
37        validate_tag(tag)?;
38    }
39
40    // Verify table exists
41    if !storage.table_exists(table_name).await? {
42        return Err(DynoxideError::ResourceNotFoundException(format!(
43            "Requested resource not found: ResourcArn: {arn} not found"
44        )));
45    }
46
47    storage.set_tags(table_name, &request.tags).await?;
48
49    Ok(TagResourceResponse {})
50}
51
52fn validate_tag(tag: &Tag) -> Result<()> {
53    if tag.key.is_empty() || tag.key.len() > 128 {
54        return Err(DynoxideError::ValidationException(
55            "One or more parameter values were invalid: \
56             Tag key must be between 1 and 128 characters"
57                .to_string(),
58        ));
59    }
60    if tag.value.len() > 256 {
61        return Err(DynoxideError::ValidationException(
62            "One or more parameter values were invalid: \
63             Tag value must be between 0 and 256 characters"
64                .to_string(),
65        ));
66    }
67    Ok(())
68}
dynoxide/actions/tag_resource.rs

dynoxide/actions/
tag_resource.rs
