use gcloud_sdk::google::firestore::v1::value;
use serde::{Deserialize, Serialize, Serializer};
use std::collections::HashMap;
use crate::errors::*;
use crate::firestore_serde::serializer::FirestoreValueSerializer;
use crate::FirestoreValue;
pub(crate) const FIRESTORE_LATLNG_TYPE_TAG_TYPE: &str = "FirestoreLatLng";
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, PartialOrd, Default)]
pub struct FirestoreGeoPoint {
pub latitude: f64,
pub longitude: f64,
}
#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, PartialOrd, Default)]
pub struct FirestoreLatLng(pub FirestoreGeoPoint);
pub fn serialize_latlng_for_firestore<T: ?Sized + Serialize>(
value: &T,
) -> Result<FirestoreValue, FirestoreError> {
struct LatLngSerializer;
struct SerializeLatLngStruct {
fields: HashMap<String, gcloud_sdk::google::firestore::v1::Value>,
}
impl serde::ser::SerializeStruct for SerializeLatLngStruct {
type Ok = FirestoreValue;
type Error = FirestoreError;
fn serialize_field<T: ?Sized + Serialize>(
&mut self,
key: &'static str,
value: &T,
) -> Result<(), Self::Error> {
let serializer = FirestoreValueSerializer {
none_as_null: false,
};
let serialized_value = value.serialize(serializer)?.value;
if serialized_value.value_type.is_some() {
self.fields.insert(key.to_string(), serialized_value);
}
Ok(())
}
fn end(self) -> Result<Self::Ok, Self::Error> {
let (lat, lng) = match (self.fields.get("latitude"), self.fields.get("longitude")) {
(
Some(gcloud_sdk::google::firestore::v1::Value {
value_type: Some(value::ValueType::DoubleValue(lat)),
}),
Some(gcloud_sdk::google::firestore::v1::Value {
value_type: Some(value::ValueType::DoubleValue(lng)),
}),
) => (*lat, *lng),
_ => {
return Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't recognize the structure of the object",
),
));
}
};
Ok(FirestoreValue::from(
gcloud_sdk::google::firestore::v1::Value {
value_type: Some(value::ValueType::GeoPointValue(
gcloud_sdk::google::r#type::LatLng {
latitude: lat,
longitude: lng,
},
)),
},
))
}
}
impl Serializer for LatLngSerializer {
type Ok = FirestoreValue;
type Error = FirestoreError;
type SerializeSeq = crate::firestore_serde::serializer::SerializeVec;
type SerializeTuple = crate::firestore_serde::serializer::SerializeVec;
type SerializeTupleStruct = crate::firestore_serde::serializer::SerializeVec;
type SerializeTupleVariant = crate::firestore_serde::serializer::SerializeTupleVariant;
type SerializeMap = crate::firestore_serde::serializer::SerializeMap;
type SerializeStruct = SerializeLatLngStruct;
type SerializeStructVariant = crate::firestore_serde::serializer::SerializeStructVariant;
fn serialize_bool(self, _v: bool) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_i8(self, _v: i8) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_i16(self, _v: i16) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_i32(self, _v: i32) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_i64(self, _v: i64) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_u8(self, _v: u8) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_u16(self, _v: u16) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_u32(self, _v: u32) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_u64(self, _v: u64) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_f32(self, _v: f32) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_f64(self, _v: f64) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_char(self, _v: char) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_str(self, _v: &str) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_bytes(self, _v: &[u8]) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
Ok(FirestoreValue::from(
gcloud_sdk::google::firestore::v1::Value { value_type: None },
))
}
fn serialize_some<T: ?Sized + Serialize>(self, value: &T) -> Result<Self::Ok, Self::Error> {
value.serialize(self)
}
fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
Ok(FirestoreValue::from(
gcloud_sdk::google::firestore::v1::Value { value_type: None },
))
}
fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
self.serialize_unit()
}
fn serialize_unit_variant(
self,
_name: &'static str,
_variant_index: u32,
variant: &'static str,
) -> Result<Self::Ok, Self::Error> {
self.serialize_str(variant)
}
fn serialize_newtype_struct<T: ?Sized + Serialize>(
self,
_name: &'static str,
value: &T,
) -> Result<Self::Ok, Self::Error> {
value.serialize(self)
}
fn serialize_newtype_variant<T: ?Sized + Serialize>(
self,
_name: &'static str,
_variant_index: u32,
_variant: &'static str,
_value: &T,
) -> Result<Self::Ok, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_tuple_struct(
self,
_name: &'static str,
_len: usize,
) -> Result<Self::SerializeTupleStruct, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_tuple_variant(
self,
_name: &'static str,
_variant_index: u32,
_variant: &'static str,
_len: usize,
) -> Result<Self::SerializeTupleVariant, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
fn serialize_struct(
self,
_name: &'static str,
len: usize,
) -> Result<Self::SerializeStruct, Self::Error> {
Ok(SerializeLatLngStruct {
fields: HashMap::with_capacity(len),
})
}
fn serialize_struct_variant(
self,
_name: &'static str,
_variant_index: u32,
_variant: &'static str,
_len: usize,
) -> Result<Self::SerializeStructVariant, Self::Error> {
Err(FirestoreError::SerializeError(
FirestoreSerializationError::from_message(
"LatLng serializer doesn't support this type",
),
))
}
}
value.serialize(LatLngSerializer {})
}