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
use serde::{Deserialize, Serialize};
use serde_json::Value;
use crate::Hits;
#[derive(Debug, Default, Clone, Serialize, Deserialize)]
pub struct AggregationResponseParser {
value: Value,
}
impl AggregationResponseParser {
pub fn new(value: Value) -> AggregationResponseParser {
AggregationResponseParser {
value
}
}
pub fn value(&self) -> Value {
self.value.clone()
}
pub fn doc_count(&self) -> Option<u64> {
parse_u32(self.value.get("doc_count"))
}
pub fn sum_other_doc_count(&self) -> Option<u64> {
parse_u32(self.value.get("sum_other_doc_count"))
}
pub fn sub_aggregation<T: Into<String>>(&self, key: T) -> Option<AggregationResponseParser> {
let agg = self.value.get(key.into())?.clone();
Some(AggregationResponseParser::new(agg))
}
pub fn buckets(&self) -> Option<Vec<AggregationResponseBucket>> {
let values = self.value.get("buckets")?.clone();
let values = values.as_array()?.clone();
let mut response = vec![];
for value in values {
response.push(AggregationResponseBucket::new(value))
}
Some(response)
}
}
#[derive(Debug, Default, Clone)]
pub struct AggregationResponseBucket {
value: Value,
}
impl AggregationResponseBucket {
pub fn new(value: Value) -> AggregationResponseBucket {
AggregationResponseBucket {
value
}
}
pub fn value(&self) -> Value {
self.value.clone()
}
pub fn hits(&self) -> Option<Hits<Value>> {
let values = self.value.get("hits")?;
let hits = serde_json::from_value::<Hits<Value>>(values.clone());
if hits.is_err(){
return None
}
return Some(hits.unwrap());
}
pub fn key(&self) -> Option<String> {
let key_as_string = self.value.get("key_as_string");
if key_as_string.is_some() {
let key_as_string = key_as_string.unwrap();
if key_as_string.is_string() {
return Some(key_as_string.as_str().unwrap().to_string());
}
}
let key = self.value.get("key");
if key.is_some() {
let key = key.unwrap();
if key.is_string() {
return Some(key.as_str().unwrap().to_string());
}
if key.is_number() {
return Some(key.as_str().unwrap().to_string());
}
}
return None;
}
pub fn keys(&self) -> Option<Vec<String>> {
let key = self.value.get("key");
if !key.is_some() {
return None;
}
let key = key.unwrap();
if key.is_string() || key.is_number() {
return Some(vec![key.to_string()]);
}
if key.is_array() {
let keys = key.as_array().unwrap();
let mut response = vec![];
for key in keys {
if key.is_string() || key.is_number() {
response.push(key.to_string());
}
}
return Some(response);
}
return None;
}
pub fn doc_count(&self) -> Option<u64> {
parse_u32(self.value.get("doc_count"))
}
}
fn parse_u32(value: Option<&Value>) -> Option<u64> {
if value.is_none() {
return None;
}
let value = value.unwrap();
if value.is_u64() {
return Some(value.as_u64().unwrap());
}
return None;
}