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use futures::executor::block_on;
use nu_errors::ShellError;
use nu_plugin::Plugin;
use nu_protocol::{CallInfo, ReturnValue, Signature, SyntaxShape};
use crate::handler;
use crate::handler::s3_helper;
impl Plugin for handler::Handler {
fn config(&mut self) -> Result<Signature, ShellError> {
Ok(Signature::build("s3")
.desc("Load S3 resource into a cell, convert to table if possible (avoid by appending '--raw' or '-R')")
.required(
"RESOURCE",
SyntaxShape::String,
"the RESOURCE to fetch the contents from",
)
.named(
"endpoint",
SyntaxShape::Any,
"the endpoint info for the S3 resource, i.g., s3.ap-northeast-1.amazonaws.com or 10.1.1.1",
Some('e'),
)
.named(
"access_key",
SyntaxShape::Any,
"the access key when authenticating",
Some('a'),
)
.named(
"secret_key",
SyntaxShape::Any,
"the secret key when authenticating",
Some('s'),
)
.named(
"region",
SyntaxShape::Any,
"the region of the resource, default will use us-east-1",
Some('r'),
)
.switch("raw", "fetch contents as text rather than a table", Some('R'))
.filter())
}
fn begin_filter(&mut self, callinfo: CallInfo) -> Result<Vec<ReturnValue>, ShellError> {
self.setup(callinfo)?;
Ok(vec![block_on(s3_helper(
&self.resource.clone().ok_or_else(|| {
ShellError::labeled_error(
"internal error: resource not set",
"resource not set",
&self.tag,
)
})?,
self.has_raw,
&self.config,
))])
}
}