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use super::DicomResponse;
use dicom::core::chrono::FixedOffset;
use dicom::core::dicom_value;
use dicom::core::value::deserialize::{parse_date, parse_datetime, parse_time};
use dicom::core::{DataElement, DicomValue, Length, Tag, VR};
use dicom::object::mem::InMemDicomObject;
use serde_json::Value;
use std::i64;
/// this function is adapted from a pull request https://github.com/Enet4/dicom-rs/pull/174
/// thanks to https://github.com/charbeljc
pub fn decode_response_item(item: &Value) -> DicomResponse {
let mut obj = InMemDicomObject::create_empty();
match item {
Value::Object(item) => {
item.into_iter().for_each(|(k, v)| {
let a = i64::from_str_radix(&k[..4], 16).unwrap() as u16;
let b = i64::from_str_radix(&k[4..], 16).unwrap() as u16;
let tag: Tag = (a, b).into();
if let Value::String(raw_vr) = &v["vr"] {
let vr = raw_vr.parse::<VR>().unwrap();
let value = &v["Value"];
match vr {
// VR::AE => {
// todo!()
// }
VR::AT => {
todo!()
}
VR::AS
| VR::AE
| VR::CS
| VR::LO
| VR::SH
| VR::UI
| VR::UR
| VR::OW
| VR::ST
| VR::UN
| VR::LT
| VR::OB => match value {
Value::Array(_) => {
let v: Vec<String> =
serde_json::from_value(value.to_owned()).unwrap();
let vv = &v[0];
let elt = DataElement::new(tag, vr, dicom_value!(Str, vv));
obj.put(elt);
}
Value::Null => {
let elt = DataElement::new(tag, vr, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("{:?} unexpected value: {:?}", vr, other);
}
},
VR::DA => match value {
Value::Array(_) => {
let v: Vec<String> =
serde_json::from_value(value.to_owned()).unwrap();
let vv = &v[0];
let (date, _bytes) = parse_date(vv.as_bytes()).unwrap();
let elt = DataElement::new(tag, vr, dicom_value!(date));
obj.put(elt);
}
Value::Null => {
let elt = DataElement::new(tag, vr, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("{:?} unexpected value: {:?}", vr, other);
}
},
VR::DS => match value {
Value::Array(_) => {
let v: Vec<f64> = serde_json::from_value(value.to_owned()).unwrap();
let vv = v[0];
let elt = DataElement::new(tag, vr, dicom_value!(F64, vv));
obj.put(elt);
}
other => {
eprintln!("{:?} unexpected value: {:?}", vr, other);
}
},
VR::DT => match value {
Value::Array(_) => {
let v: Vec<String> =
serde_json::from_value(value.to_owned()).unwrap();
let vv = &v[0];
let default_offset = FixedOffset::east(0);
eprintln!("VR:DT: {:?}", v);
let datetime =
parse_datetime(vv.as_bytes(), default_offset).unwrap();
let elt = DataElement::new(tag, vr, dicom_value!(datetime));
obj.put(elt);
}
Value::Null => {
let elt = DataElement::new(tag, vr, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("{:?} unexpected value: {:?}", vr, other);
}
},
VR::FL => match value {
Value::Array(_) => {
let v: Vec<f32> = serde_json::from_value(value.to_owned()).unwrap();
let vv = v[0];
let elt = DataElement::new(tag, vr, dicom_value!(F32, vv));
obj.put(elt);
}
Value::Null => {
let elt = DataElement::new(tag, vr, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("{:?} unexpected value: {:?}", vr, other);
} /* todo!(VR::DS) */
},
VR::FD => {
/* todo!("VR::FD") */
eprintln!("TODO: VR::FD");
}
VR::IS => match value {
Value::Array(_) => {
let v: Result<Vec<i16>, serde_json::Error> =
serde_json::from_value(value.to_owned());
if let Ok(v) = v {
let vv = &v[0];
let elt = DataElement::new(
tag,
vr,
dicom_value!(Str, vv.to_string()),
);
obj.put(elt);
} else {
// DCM4CHEE encodes IS as JSON strings
let v: Vec<String> =
serde_json::from_value(value.to_owned()).unwrap();
let vv = &v[0];
let elt = DataElement::new(tag, vr, dicom_value!(Str, vv));
obj.put(elt);
}
}
Value::Null => {
let elt = DataElement::new(tag, vr, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("{:?} unexpected value: {:?}", vr, other);
}
},
VR::OD => {
todo!()
}
VR::OF => {
todo!()
}
VR::OL => {
todo!()
}
VR::OV => {
todo!()
}
VR::PN => match value {
Value::Array(array) => {
let v = &array[0];
let name = match v {
Value::Object(hm) => {
if let Some(name) =
hm.get("Alphabetic").and_then(|v| v.as_str())
{
name
} else {
""
}
}
_other => "",
};
let elt = DataElement::new(tag, vr, dicom_value!(Str, name));
obj.put(elt);
}
Value::Null => {
let elt = DataElement::new(tag, vr, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("VR:PN unexpected value: {:?}", other);
}
},
VR::SL => {
eprintln!("TODO: VR::SL");
}
VR::SQ => match value {
Value::Array(array) => {
// eprintln!("TODO: VR::SQ: {:?}", array);
let value = DicomValue::new_sequence(
array
.iter()
.map(|v| decode_response_item(v))
.collect::<Vec<_>>(),
Length::UNDEFINED,
);
// let value: Vec<_> = array.iter().map(|v| {
// decode_response_item(v)
// }).collect();
let elt = DataElement::new(tag, VR::SQ, value);
// eprintln!("Check: SEQ: {:#?}", elt);
// FIXME: don't work check dcmdump side
// note: expected struct `dicom::dicom_core::DataElement<_, std::vec::Vec<u8>>`
// found struct `dicom::dicom_core::DataElement<_, [u8; 0]>`
// obj.put(elt);
// let _ = dump_element(&mut std::io::stderr(), &elt, 120, 0, true);
}
Value::Null => {
let elt = DataElement::new(tag, VR::SQ, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("VR::SEQ unexpected value: {:?}", other);
}
},
VR::SS => {
todo!()
}
VR::SV => {
todo!()
}
VR::TM => {
/* todo!() */
match value {
Value::Array(_) => {
let v: Vec<String> =
serde_json::from_value(value.to_owned()).unwrap();
let vv = &v[0];
let (time, _bytes) = parse_time(vv.as_bytes()).unwrap();
let elt = DataElement::new(tag, vr, dicom_value!(time));
obj.put(elt);
}
Value::Null => {
let elt = DataElement::new(tag, vr, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("{:?} unexpected value: {:?}", vr, other);
}
}
}
VR::UC => {
todo!()
}
VR::UL => {
todo!()
}
VR::US => match value {
Value::Array(_) => {
let v: Vec<u16> = serde_json::from_value(value.to_owned()).unwrap();
let vv = v[0];
let elt = DataElement::new(tag, vr, dicom_value!(vv));
obj.put(elt);
}
Value::Null => {
let elt = DataElement::new(tag, vr, dicom_value!());
obj.put(elt);
}
other => {
eprintln!("{:?} unexpected value: {:?}", vr, other);
}
},
VR::UT => {
todo!()
}
VR::UV => {
todo!()
}
}
} else {
eprintln!("error, invalid VR: {:?}", v["vr"]);
}
})
}
other => {
println!("Unexpected: {:?}", other);
}
}
obj
}