bo4e-core 0.1.1

Core types for BO4E (Business Objects for Energy)
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

//! Price position (Preisposition) component.

use serde::{Deserialize, Serialize};

use crate::enums::{CalculationMethod, PriceType, Unit};
use crate::traits::{Bo4eMeta, Bo4eObject};

use super::PriceTier;

/// A position in a price sheet with its associated price tiers.
///
/// German: Preisposition
///
/// # Example
///
/// ```rust
/// use bo4e_core::com::PricePosition;
/// use bo4e_core::enums::PriceType;
///
/// let position = PricePosition {
///     description: Some("Arbeitspreis HT".to_string()),
///     price_type: Some(PriceType::WorkingPriceSingleTariff),
///     ..Default::default()
/// };
/// ```
#[derive(Debug, Clone, Default, PartialEq, Serialize, Deserialize)]
#[serde(rename_all = "camelCase")]
pub struct PricePosition {
    /// BO4E metadata
    #[serde(flatten)]
    pub meta: Bo4eMeta,

    /// Description/name of the price position (Bezeichnung)
    #[serde(skip_serializing_if = "Option::is_none")]
    pub description: Option<String>,

    /// Type of price (Preistyp)
    #[serde(skip_serializing_if = "Option::is_none")]
    pub price_type: Option<PriceType>,

    /// Reference unit (Bezugseinheit)
    #[serde(skip_serializing_if = "Option::is_none")]
    pub reference_unit: Option<Unit>,

    /// Calculation method (Berechnungsmethode)
    #[serde(skip_serializing_if = "Option::is_none")]
    pub calculation_method: Option<CalculationMethod>,

    /// Price tiers (Preisstaffeln)
    #[serde(default, skip_serializing_if = "Vec::is_empty")]
    pub tiers: Vec<PriceTier>,

    /// Article ID (Artikel-ID)
    #[serde(skip_serializing_if = "Option::is_none")]
    pub article_id: Option<String>,

    /// BDEW article number (BDEW Artikelnummer)
    #[serde(skip_serializing_if = "Option::is_none")]
    pub bdew_article_number: Option<String>,
}

impl Bo4eObject for PricePosition {
    fn type_name_german() -> &'static str {
        "Preisposition"
    }

    fn type_name_english() -> &'static str {
        "PricePosition"
    }

    fn meta(&self) -> &Bo4eMeta {
        &self.meta
    }

    fn meta_mut(&mut self) -> &mut Bo4eMeta {
        &mut self.meta
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_work_price_position() {
        let position = PricePosition {
            description: Some("Arbeitspreis HT".to_string()),
            price_type: Some(PriceType::WorkingPriceSingleTariff),
            reference_unit: Some(Unit::KilowattHour),
            tiers: vec![PriceTier {
                unit_price: Some(0.30),
                ..Default::default()
            }],
            ..Default::default()
        };

        assert_eq!(
            position.price_type,
            Some(PriceType::WorkingPriceSingleTariff)
        );
        assert_eq!(position.tiers.len(), 1);
    }

    #[test]
    fn test_default() {
        let position = PricePosition::default();
        assert!(position.description.is_none());
        assert!(position.tiers.is_empty());
    }

    #[test]
    fn test_roundtrip() {
        let position = PricePosition {
            description: Some("Grundpreis".to_string()),
            price_type: Some(PriceType::BasePrice),
            reference_unit: Some(Unit::Month),
            bdew_article_number: Some("9990001".to_string()),
            ..Default::default()
        };

        let json = serde_json::to_string(&position).unwrap();
        let parsed: PricePosition = serde_json::from_str(&json).unwrap();
        assert_eq!(position, parsed);
    }

    #[test]
    fn test_bo4e_object_impl() {
        assert_eq!(PricePosition::type_name_german(), "Preisposition");
        assert_eq!(PricePosition::type_name_english(), "PricePosition");
    }
}