elastic-parser 0.1.15

ElasticSearch Response Parser
Documentation 
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
182
183

pub mod aggregation;

extern crate serde;
extern crate serde_json;

#[derive(Debug, Serialize, Deserialize)]
pub struct SearchResponse<T: Clone> {
    #[serde(default)]
    pub _scroll_id: Option<String>,
    #[serde(default)]
    pub took: Option<usize>,
    pub hits: Option<Hits<T>>,
    #[serde(default)]
    pub aggregations: Option<Value>,
}

impl<T: Clone> SearchResponse<T> {
    pub fn total_value(&self) -> usize {
        if self.hits.is_none() {
            return 0;
        }
        if self.hits.as_ref().is_none() {
            return 0;
        }

        let hits = self.hits.as_ref().unwrap();
        if hits.total.as_ref().is_none() {
            return 0;
        }
        let total = hits.total.as_ref().unwrap();
        total.value.unwrap_or_default()
    }
    pub fn sources(&self) -> Vec<&T> {
        if self.hits.is_none() {
            return vec![];
        }
        let hits = self.hits.as_ref().unwrap();
        if hits.hits.is_none() {
            return vec![];
        }
        let mut data = vec![];
        let hits = hits.hits.as_ref().unwrap();
        for hit in hits {
            if hit._source.is_some() {
                data.push(hit._source.as_ref().unwrap());
            }
        }
        data
    }
    pub fn hits(&self) -> Vec<Hit<T>> {
        if self.hits.is_none() {
            return vec![];
        }
        let hits = self.hits.clone().unwrap();
        if hits.hits.is_none() {
            return vec![];
        }
        let mut data = vec![];
        let hits = hits.hits.unwrap();
        for hit in hits {
            data.push(hit.clone());
        }
        data
    }
    pub fn aggregations(&self) -> Option<AggregationResponseParser> {
        if self.aggregations.is_none() {
            return None;
        }
        Some(AggregationResponseParser::new(
            self.aggregations.clone().unwrap(),
        ))
    }
}

#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct HitsTotal {
    #[serde(default)]
    pub value: Option<usize>,
    #[serde(default)]
    pub relation: Option<String>,
}

#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct Hits<T: Clone> {
    pub total: Option<HitsTotal>,
    pub max_score: Option<f32>,
    pub hits: Option<Vec<Hit<T>>>,
}

// impl<T> Hits<T> {
//     fn total(&self) -> HitsTotal {
//         return match self.total.clone() {
//             Some(v) => { v }
//             None => {
//                 HitsTotal {
//                     value: 0,
//                     relation: "".to_string(),
//                 }
//             }
//         };
//     }
//     fn max_score(&self) -> f32 {
//         self.max_score.unwrap_or(0.0)
//     }
// }

#[derive(Debug, Serialize, Deserialize, Default, Clone)]
pub struct Hit<T>
where
    T: Clone,
{
    #[serde(default)]
    pub _index: Option<String>,
    #[serde(default)]
    pub _type: Option<String>,
    #[serde(default)]
    pub _id: Option<String>,
    #[serde(default)]
    pub _score: Option<f32>,
    pub _source: Option<T>,
}

impl<T: std::default::Default + std::clone::Clone> Hit<T> {
    pub fn index(&self) -> String {
        if self._index.is_none() {
            return "".to_string();
        }
        self._index.as_ref().unwrap().to_string()
    }

    // pub fn get_type(&self) -> String {
    //     self.clone()._type.unwrap_or_default().to_string()
    // }
    pub fn id(&self) -> String {
        self.clone()._id.unwrap_or_default().to_string()
    }
    // pub fn score(&self) -> f32 {
    //     self.clone()._score.unwrap_or_default().clone()
    // }
}

#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct Doc<T> {
    pub _index: String,
    pub _type: String,
    pub _id: String,
    // pub found:bool,
    // pub _version: Option<usize>,
    // pub _seq_no: Option<usize>,
    // pub _primary_term: Option<usize>,
    pub _source: Option<T>,
}

#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct Shards {
    pub total: Option<usize>,
    pub successful: Option<usize>,
    pub failed: Option<usize>,
}

use crate::aggregation::AggregationResponseParser;
use serde::{de, Deserialize, Serialize};
use serde_json::Value;

pub fn parse<'a, T>(s: &'a str) -> T
where
    T: de::Deserialize<'a>,
{
    serde_json::from_str(s).expect("")
}

impl<T> SearchResponse<T>
where
    T: std::clone::Clone,
{
    pub fn to_hit(&self) -> Vec<Hit<T>> {
        let hits = self.hits.clone();
        if hits.is_none() {
            return vec![];
        }
        hits.unwrap().hits.unwrap_or_default().to_vec()
    }
}