1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181

use anyhow::{bail, Result};
use serde::{
    de::{SeqAccess, Visitor},
    Deserialize, Deserializer,
};
use std::fmt;
use std::marker::PhantomData;

pub(crate) enum ResponseType {
    Chart,
    Company,
}

pub(crate) enum Response {
    Chart(Chart),
    Company(Company),
}

impl ResponseType {
    pub fn deserialize(&self, body: &[u8]) -> Result<Response> {
        match self {
            ResponseType::Chart => match serde_json::from_slice(body) {
                Ok(deser) => Ok(Response::Chart(deser)),
                Err(e) => bail!(e),
            },
            ResponseType::Company => match serde_json::from_slice(body) {
                Ok(deser) => Ok(Response::Company(deser)),
                Err(e) => bail!(e),
            },
        }
    }
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct Chart {
    pub chart: ChartStatus,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct ChartStatus {
    pub result: Option<Vec<ChartData>>,
    pub error: Option<Error>,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct Error {
    pub code: String,
    pub description: String,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct ChartData {
    pub meta: ChartMeta,
    pub timestamp: Vec<i64>,
    pub indicators: ChartIndicators,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct ChartMeta {
    pub regular_market_price: f32,
    pub chart_previous_close: f32,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct ChartIndicators {
    pub quote: Vec<ChartQuote>,
    pub adjclose: Option<Vec<ChartAdjClose>>,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct ChartAdjClose {
    pub adjclose: Vec<f32>,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct ChartQuote {
    #[serde(deserialize_with = "deserialize_vec")]
    pub close: Vec<f32>,
    #[serde(deserialize_with = "deserialize_vec")]
    pub volume: Vec<u32>,
    #[serde(deserialize_with = "deserialize_vec")]
    pub high: Vec<f32>,
    #[serde(deserialize_with = "deserialize_vec")]
    pub low: Vec<f32>,
    #[serde(deserialize_with = "deserialize_vec")]
    pub open: Vec<f32>,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct Company {
    #[serde(rename = "quoteSummary")]
    pub company: CompanyStatus,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct CompanyStatus {
    pub result: Option<Vec<CompanyData>>,
    pub error: Option<Error>,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct CompanyData {
    #[serde(rename = "assetProfile")]
    pub profile: CompanyProfile,
    pub price: CompanyPrice,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct CompanyProfile {
    pub website: Option<String>,
    pub industry: Option<String>,
    pub sector: Option<String>,
    #[serde(rename = "longBusinessSummary")]
    pub description: Option<String>,
    #[serde(rename = "fullTimeEmployees")]
    pub employees: Option<u64>,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct CompanyPrice {
    pub symbol: String,
    pub short_name: String,
    pub long_name: String,
    pub regular_market_price: CompanyRegularMarketPrice,
    pub regular_market_previous_close: CompanyRegularMarketPreviousClose,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct CompanyRegularMarketPrice {
    #[serde(rename = "raw")]
    pub price: f32,
}

#[serde(rename_all = "camelCase")]
#[derive(Debug, Deserialize, Clone)]
pub struct CompanyRegularMarketPreviousClose {
    #[serde(rename = "raw")]
    pub price: f32,
}

fn deserialize_vec<'de, D, T>(deserializer: D) -> Result<Vec<T>, D::Error>
where
    D: Deserializer<'de>,
    T: Deserialize<'de> + Default,
{
    struct SeqVisitor<T>(PhantomData<T>);

    impl<'de, T> Visitor<'de> for SeqVisitor<T>
    where
        T: Deserialize<'de> + Default,
    {
        type Value = Vec<T>;

        fn expecting(&self, fmt: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
            fmt.write_str("default vec")
        }

        fn visit_seq<A: SeqAccess<'de>>(self, mut seq: A) -> Result<Self::Value, A::Error> {
            let mut vec = Vec::new();
            while let Ok(Some(elem)) = seq.next_element::<Option<T>>() {
                vec.push(elem.unwrap_or_default());
            }
            Ok(vec)
        }
    }
    deserializer.deserialize_seq(SeqVisitor(PhantomData))
}