rs-es 0.12.3

Client for the ElasticSearch REST API
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

/*
 * Copyright 2016-2018 Ben Ashford
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

//! Specialised queries

use serde::Serialize;
use serde_json::Value;

use crate::json::ShouldSkip;

use super::{MinimumShouldMatch, Query};

/// More like this query
#[derive(Debug, Default, Serialize)]
pub struct MoreLikeThisQuery {
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    fields: Option<Vec<String>>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    like_text: Option<String>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    ids: Option<Vec<String>>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    docs: Option<Vec<Doc>>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    max_query_terms: Option<u64>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    min_term_freq: Option<u64>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    min_doc_freq: Option<u64>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    max_doc_freq: Option<u64>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    min_word_length: Option<u64>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    max_word_length: Option<u64>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    stop_words: Option<Vec<String>>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    analyzer: Option<String>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    minimum_should_match: Option<MinimumShouldMatch>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    boost_terms: Option<f64>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    include: Option<bool>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip")]
    boost: Option<f64>,
}

impl Query {
    pub fn build_more_like_this() -> MoreLikeThisQuery {
        Default::default()
    }
}

impl MoreLikeThisQuery {
    add_field!(with_fields, fields, Vec<String>);
    add_field!(with_like_text, like_text, String);
    add_field!(with_ids, ids, Vec<String>);
    add_field!(with_docs, docs, Vec<Doc>);
    add_field!(with_max_query_terms, max_query_terms, u64);
    add_field!(with_min_term_freq, min_term_freq, u64);
    add_field!(with_min_doc_freq, min_doc_freq, u64);
    add_field!(with_max_doc_freq, max_doc_freq, u64);
    add_field!(with_min_word_length, min_word_length, u64);
    add_field!(with_max_word_length, max_word_length, u64);
    add_field!(with_stop_words, stop_words, Vec<String>);
    add_field!(with_analyzer, analyzer, String);
    add_field!(
        with_minimum_should_match,
        minimum_should_match,
        MinimumShouldMatch
    );
    add_field!(with_boost_terms, boost_terms, f64);
    add_field!(with_include, include, bool);
    add_field!(with_boost, boost, f64);

    build!(MoreLikeThis);
}

// A document can be provided as an example
#[derive(Debug, Serialize)]
pub struct Doc {
    #[serde(rename = "_index")]
    index: String,
    #[serde(rename = "_type")]
    doc_type: String,
    // TODO - consider generifying this option
    #[serde(skip_serializing_if = "ShouldSkip::should_skip", rename = "doc")]
    doc: Option<Value>,
    #[serde(skip_serializing_if = "ShouldSkip::should_skip", rename = "_id")]
    id: Option<String>,
}

impl Doc {
    pub fn from_doc<A, B>(index: A, doc_type: B, doc: Value) -> Doc
    where
        A: Into<String>,
        B: Into<String>,
    {
        Doc {
            index: index.into(),
            doc_type: doc_type.into(),
            doc: Some(doc),
            id: None,
        }
    }

    pub fn id<A, B, C>(index: A, doc_type: B, id: C) -> Doc
    where
        A: Into<String>,
        B: Into<String>,
        C: Into<String>,
    {
        Doc {
            index: index.into(),
            doc_type: doc_type.into(),
            doc: None,
            id: Some(id.into()),
        }
    }
}