growthbook-rust 0.1.1

Official Growthbook Rust SDK
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

use regex::Regex;

use crate::extensions::FindGrowthBookAttribute;
use crate::model_public::{GrowthBookAttribute, GrowthBookAttributeValue};

pub struct RegexComparison;

impl RegexComparison {
    pub fn matches(
        parent_attribute: Option<&GrowthBookAttribute>,
        feature_attribute: &GrowthBookAttribute,
        user_attributes: &[GrowthBookAttribute],
    ) -> bool {
        if let GrowthBookAttributeValue::String(feature_value) = &feature_attribute.value {
            if let Ok(regex) = Regex::new(feature_value) {
                if let Some(user_value) = user_attributes.find_value(&parent_attribute.unwrap_or(feature_attribute).key) {
                    match &user_value {
                        GrowthBookAttributeValue::Array(it) => it.iter().any(|item| regex.is_match(&item.to_string())),
                        it => regex.is_match(&it.to_string()),
                    }
                } else {
                    false
                }
            } else {
                false
            }
        } else {
            true
        }
    }

    pub fn matches_ignore_case(
        parent_attribute: Option<&GrowthBookAttribute>,
        feature_attribute: &GrowthBookAttribute,
        user_attributes: &[GrowthBookAttribute],
    ) -> bool {
        if let GrowthBookAttributeValue::String(feature_value) = &feature_attribute.value {
            if let Ok(regex) = regex::RegexBuilder::new(feature_value).case_insensitive(true).build() {
                if let Some(user_value) = user_attributes.find_value(&parent_attribute.unwrap_or(feature_attribute).key) {
                    match &user_value {
                        GrowthBookAttributeValue::Array(it) => it.iter().any(|item| regex.is_match(&item.to_string())),
                        it => regex.is_match(&it.to_string()),
                    }
                } else {
                    false
                }
            } else {
                false
            }
        } else {
            true
        }
    }

    pub fn not_matches(
        parent_attribute: Option<&GrowthBookAttribute>,
        feature_attribute: &GrowthBookAttribute,
        user_attributes: &[GrowthBookAttribute],
    ) -> bool {
        !Self::matches(parent_attribute, feature_attribute, user_attributes)
    }

    pub fn not_matches_ignore_case(
        parent_attribute: Option<&GrowthBookAttribute>,
        feature_attribute: &GrowthBookAttribute,
        user_attributes: &[GrowthBookAttribute],
    ) -> bool {
        !Self::matches_ignore_case(parent_attribute, feature_attribute, user_attributes)
    }
}