matc/clusters/codec/
commodity_metering.rs

1//! Matter TLV encoders and decoders for Commodity Metering Cluster
2//! Cluster ID: 0x0B07
3//!
4//! This file is automatically generated from CommodityMetering.xml
5
6#![allow(clippy::too_many_arguments)]
7
8use crate::tlv;
9use anyhow;
10use serde_json;
11
12
13// Struct definitions
14
15#[derive(Debug, serde::Serialize)]
16pub struct MeteredQuantity {
17    pub tariff_component_i_ds: Option<Vec<u32>>,
18    pub quantity: Option<i64>,
19}
20
21// Attribute decoders
22
23/// Decode MeteredQuantity attribute (0x0000)
24pub fn decode_metered_quantity(inp: &tlv::TlvItemValue) -> anyhow::Result<Vec<MeteredQuantity>> {
25    let mut res = Vec::new();
26    if let tlv::TlvItemValue::List(v) = inp {
27        for item in v {
28            res.push(MeteredQuantity {
29                tariff_component_i_ds: {
30                    if let Some(tlv::TlvItemValue::List(l)) = item.get(&[0]) {
31                        let items: Vec<u32> = l.iter().filter_map(|e| { if let tlv::TlvItemValue::Int(v) = &e.value { Some(*v as u32) } else { None } }).collect();
32                        Some(items)
33                    } else {
34                        None
35                    }
36                },
37                quantity: item.get_int(&[1]).map(|v| v as i64),
38            });
39        }
40    }
41    Ok(res)
42}
43
44/// Decode MeteredQuantityTimestamp attribute (0x0001)
45pub fn decode_metered_quantity_timestamp(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u64>> {
46    if let tlv::TlvItemValue::Int(v) = inp {
47        Ok(Some(*v))
48    } else {
49        Ok(None)
50    }
51}
52
53/// Decode TariffUnit attribute (0x0002)
54pub fn decode_tariff_unit(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u8>> {
55    if let tlv::TlvItemValue::Int(v) = inp {
56        Ok(Some(*v as u8))
57    } else {
58        Ok(None)
59    }
60}
61
62/// Decode MaximumMeteredQuantities attribute (0x0003)
63pub fn decode_maximum_metered_quantities(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u16>> {
64    if let tlv::TlvItemValue::Int(v) = inp {
65        Ok(Some(*v as u16))
66    } else {
67        Ok(None)
68    }
69}
70
71
72// JSON dispatcher function
73
74/// Decode attribute value and return as JSON string
75///
76/// # Parameters
77/// * `cluster_id` - The cluster identifier
78/// * `attribute_id` - The attribute identifier
79/// * `tlv_value` - The TLV value to decode
80///
81/// # Returns
82/// JSON string representation of the decoded value or error
83pub fn decode_attribute_json(cluster_id: u32, attribute_id: u32, tlv_value: &crate::tlv::TlvItemValue) -> String {
84    // Verify this is the correct cluster
85    if cluster_id != 0x0B07 {
86        return format!("{{\"error\": \"Invalid cluster ID. Expected 0x0B07, got {}\"}}", cluster_id);
87    }
88
89    match attribute_id {
90        0x0000 => {
91            match decode_metered_quantity(tlv_value) {
92                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
93                Err(e) => format!("{{\"error\": \"{}\"}}", e),
94            }
95        }
96        0x0001 => {
97            match decode_metered_quantity_timestamp(tlv_value) {
98                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
99                Err(e) => format!("{{\"error\": \"{}\"}}", e),
100            }
101        }
102        0x0002 => {
103            match decode_tariff_unit(tlv_value) {
104                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
105                Err(e) => format!("{{\"error\": \"{}\"}}", e),
106            }
107        }
108        0x0003 => {
109            match decode_maximum_metered_quantities(tlv_value) {
110                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
111                Err(e) => format!("{{\"error\": \"{}\"}}", e),
112            }
113        }
114        _ => format!("{{\"error\": \"Unknown attribute ID: {}\"}}", attribute_id),
115    }
116}
117
118/// Get list of all attributes supported by this cluster
119///
120/// # Returns
121/// Vector of tuples containing (attribute_id, attribute_name)
122pub fn get_attribute_list() -> Vec<(u32, &'static str)> {
123    vec![
124        (0x0000, "MeteredQuantity"),
125        (0x0001, "MeteredQuantityTimestamp"),
126        (0x0002, "TariffUnit"),
127        (0x0003, "MaximumMeteredQuantities"),
128    ]
129}
130
131// Typed facade (invokes + reads)
132
133/// Read `MeteredQuantity` attribute from cluster `Commodity Metering`.
134pub async fn read_metered_quantity(conn: &crate::controller::Connection, endpoint: u16) -> anyhow::Result<Vec<MeteredQuantity>> {
135    let tlv = conn.read_request2(endpoint, crate::clusters::defs::CLUSTER_ID_COMMODITY_METERING, crate::clusters::defs::CLUSTER_COMMODITY_METERING_ATTR_ID_METEREDQUANTITY).await?;
136    decode_metered_quantity(&tlv)
137}
138
139/// Read `MeteredQuantityTimestamp` attribute from cluster `Commodity Metering`.
140pub async fn read_metered_quantity_timestamp(conn: &crate::controller::Connection, endpoint: u16) -> anyhow::Result<Option<u64>> {
141    let tlv = conn.read_request2(endpoint, crate::clusters::defs::CLUSTER_ID_COMMODITY_METERING, crate::clusters::defs::CLUSTER_COMMODITY_METERING_ATTR_ID_METEREDQUANTITYTIMESTAMP).await?;
142    decode_metered_quantity_timestamp(&tlv)
143}
144
145/// Read `TariffUnit` attribute from cluster `Commodity Metering`.
146pub async fn read_tariff_unit(conn: &crate::controller::Connection, endpoint: u16) -> anyhow::Result<Option<u8>> {
147    let tlv = conn.read_request2(endpoint, crate::clusters::defs::CLUSTER_ID_COMMODITY_METERING, crate::clusters::defs::CLUSTER_COMMODITY_METERING_ATTR_ID_TARIFFUNIT).await?;
148    decode_tariff_unit(&tlv)
149}
150
151/// Read `MaximumMeteredQuantities` attribute from cluster `Commodity Metering`.
152pub async fn read_maximum_metered_quantities(conn: &crate::controller::Connection, endpoint: u16) -> anyhow::Result<Option<u16>> {
153    let tlv = conn.read_request2(endpoint, crate::clusters::defs::CLUSTER_ID_COMMODITY_METERING, crate::clusters::defs::CLUSTER_COMMODITY_METERING_ATTR_ID_MAXIMUMMETEREDQUANTITIES).await?;
154    decode_maximum_metered_quantities(&tlv)
155}
156
matc/clusters/codec/commodity_metering.rs

matc/clusters/codec/
commodity_metering.rs
