matc/clusters/codec/
commodity_price.rs

1//! Matter TLV encoders and decoders for Commodity Price Cluster
2//! Cluster ID: 0x0095
3//!
4//! This file is automatically generated from CommodityPrice.xml
5
6use crate::tlv;
7use anyhow;
8use serde_json;
9
10
11// Bitmap definitions
12
13/// CommodityPriceDetail bitmap type
14pub type CommodityPriceDetail = u8;
15
16/// Constants for CommodityPriceDetail
17pub mod commoditypricedetail {
18    /// A textual description of a price; e.g. the name of a rate plan.
19    pub const DESCRIPTION: u8 = 0x01;
20    /// A breakdown of the component parts of a price; e.g. generation, delivery, etc.
21    pub const COMPONENTS: u8 = 0x02;
22}
23
24// Struct definitions
25
26#[derive(Debug, serde::Serialize)]
27pub struct CommodityPriceComponent {
28    pub price: Option<u8>,
29    pub source: Option<u8>,
30    pub description: Option<String>,
31    pub tariff_component_id: Option<u32>,
32}
33
34#[derive(Debug, serde::Serialize)]
35pub struct CommodityPrice {
36    pub period_start: Option<u64>,
37    pub period_end: Option<u64>,
38    pub price: Option<u8>,
39    pub price_level: Option<i16>,
40    pub description: Option<String>,
41    pub components: Option<Vec<CommodityPriceComponent>>,
42}
43
44// Command encoders
45
46/// Encode GetDetailedPriceRequest command (0x00)
47pub fn encode_get_detailed_price_request(details: CommodityPriceDetail) -> anyhow::Result<Vec<u8>> {
48    let tlv = tlv::TlvItemEnc {
49        tag: 0,
50        value: tlv::TlvItemValueEnc::StructInvisible(vec![
51        (0, tlv::TlvItemValueEnc::UInt8(details)).into(),
52        ]),
53    };
54    Ok(tlv.encode()?)
55}
56
57/// Encode GetDetailedForecastRequest command (0x02)
58pub fn encode_get_detailed_forecast_request(details: CommodityPriceDetail) -> anyhow::Result<Vec<u8>> {
59    let tlv = tlv::TlvItemEnc {
60        tag: 0,
61        value: tlv::TlvItemValueEnc::StructInvisible(vec![
62        (0, tlv::TlvItemValueEnc::UInt8(details)).into(),
63        ]),
64    };
65    Ok(tlv.encode()?)
66}
67
68// Attribute decoders
69
70/// Decode TariffUnit attribute (0x0000)
71pub fn decode_tariff_unit(inp: &tlv::TlvItemValue) -> anyhow::Result<u8> {
72    if let tlv::TlvItemValue::Int(v) = inp {
73        Ok(*v as u8)
74    } else {
75        Err(anyhow::anyhow!("Expected UInt8"))
76    }
77}
78
79/// Decode Currency attribute (0x0001)
80pub fn decode_currency(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<u8>> {
81    if let tlv::TlvItemValue::Int(v) = inp {
82        Ok(Some(*v as u8))
83    } else {
84        Ok(None)
85    }
86}
87
88/// Decode CurrentPrice attribute (0x0002)
89pub fn decode_current_price(inp: &tlv::TlvItemValue) -> anyhow::Result<Option<CommodityPrice>> {
90    if let tlv::TlvItemValue::List(_fields) = inp {
91        // Struct with fields
92        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
93        Ok(Some(CommodityPrice {
94                period_start: item.get_int(&[0]),
95                period_end: item.get_int(&[1]),
96                price: item.get_int(&[2]).map(|v| v as u8),
97                price_level: item.get_int(&[3]).map(|v| v as i16),
98                description: item.get_string_owned(&[4]),
99                components: {
100                    if let Some(tlv::TlvItemValue::List(l)) = item.get(&[5]) {
101                        let mut items = Vec::new();
102                        for list_item in l {
103                            items.push(CommodityPriceComponent {
104                price: list_item.get_int(&[0]).map(|v| v as u8),
105                source: list_item.get_int(&[1]).map(|v| v as u8),
106                description: list_item.get_string_owned(&[2]),
107                tariff_component_id: list_item.get_int(&[3]).map(|v| v as u32),
108                            });
109                        }
110                        Some(items)
111                    } else {
112                        None
113                    }
114                },
115        }))
116    //} else if let tlv::TlvItemValue::Null = inp {
117    //    // Null value for nullable struct
118    //    Ok(None)
119    } else {
120    Ok(None)
121    //    Err(anyhow::anyhow!("Expected struct fields or null"))
122    }
123}
124
125/// Decode PriceForecast attribute (0x0003)
126pub fn decode_price_forecast(inp: &tlv::TlvItemValue) -> anyhow::Result<Vec<CommodityPrice>> {
127    let mut res = Vec::new();
128    if let tlv::TlvItemValue::List(v) = inp {
129        for item in v {
130            res.push(CommodityPrice {
131                period_start: item.get_int(&[0]),
132                period_end: item.get_int(&[1]),
133                price: item.get_int(&[2]).map(|v| v as u8),
134                price_level: item.get_int(&[3]).map(|v| v as i16),
135                description: item.get_string_owned(&[4]),
136                components: {
137                    if let Some(tlv::TlvItemValue::List(l)) = item.get(&[5]) {
138                        let mut items = Vec::new();
139                        for list_item in l {
140                            items.push(CommodityPriceComponent {
141                price: list_item.get_int(&[0]).map(|v| v as u8),
142                source: list_item.get_int(&[1]).map(|v| v as u8),
143                description: list_item.get_string_owned(&[2]),
144                tariff_component_id: list_item.get_int(&[3]).map(|v| v as u32),
145                            });
146                        }
147                        Some(items)
148                    } else {
149                        None
150                    }
151                },
152            });
153        }
154    }
155    Ok(res)
156}
157
158
159// JSON dispatcher function
160
161/// Decode attribute value and return as JSON string
162///
163/// # Parameters
164/// * `cluster_id` - The cluster identifier
165/// * `attribute_id` - The attribute identifier
166/// * `tlv_value` - The TLV value to decode
167///
168/// # Returns
169/// JSON string representation of the decoded value or error
170pub fn decode_attribute_json(cluster_id: u32, attribute_id: u32, tlv_value: &crate::tlv::TlvItemValue) -> String {
171    // Verify this is the correct cluster
172    if cluster_id != 0x0095 {
173        return format!("{{\"error\": \"Invalid cluster ID. Expected 0x0095, got {}\"}}", cluster_id);
174    }
175
176    match attribute_id {
177        0x0000 => {
178            match decode_tariff_unit(tlv_value) {
179                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
180                Err(e) => format!("{{\"error\": \"{}\"}}", e),
181            }
182        }
183        0x0001 => {
184            match decode_currency(tlv_value) {
185                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
186                Err(e) => format!("{{\"error\": \"{}\"}}", e),
187            }
188        }
189        0x0002 => {
190            match decode_current_price(tlv_value) {
191                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
192                Err(e) => format!("{{\"error\": \"{}\"}}", e),
193            }
194        }
195        0x0003 => {
196            match decode_price_forecast(tlv_value) {
197                Ok(value) => serde_json::to_string(&value).unwrap_or_else(|_| "null".to_string()),
198                Err(e) => format!("{{\"error\": \"{}\"}}", e),
199            }
200        }
201        _ => format!("{{\"error\": \"Unknown attribute ID: {}\"}}", attribute_id),
202    }
203}
204
205/// Get list of all attributes supported by this cluster
206///
207/// # Returns
208/// Vector of tuples containing (attribute_id, attribute_name)
209pub fn get_attribute_list() -> Vec<(u32, &'static str)> {
210    vec![
211        (0x0000, "TariffUnit"),
212        (0x0001, "Currency"),
213        (0x0002, "CurrentPrice"),
214        (0x0003, "PriceForecast"),
215    ]
216}
217
218#[derive(Debug, serde::Serialize)]
219pub struct GetDetailedPriceResponse {
220    pub current_price: Option<CommodityPrice>,
221}
222
223#[derive(Debug, serde::Serialize)]
224pub struct GetDetailedForecastResponse {
225    pub price_forecast: Option<Vec<CommodityPrice>>,
226}
227
228// Command response decoders
229
230/// Decode GetDetailedPriceResponse command response (01)
231pub fn decode_get_detailed_price_response(inp: &tlv::TlvItemValue) -> anyhow::Result<GetDetailedPriceResponse> {
232    if let tlv::TlvItemValue::List(_fields) = inp {
233        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
234        Ok(GetDetailedPriceResponse {
235                current_price: {
236                    if let Some(nested_tlv) = item.get(&[0]) {
237                        if let tlv::TlvItemValue::List(_) = nested_tlv {
238                            let nested_item = tlv::TlvItem { tag: 0, value: nested_tlv.clone() };
239                            Some(CommodityPrice {
240                period_start: nested_item.get_int(&[0]),
241                period_end: nested_item.get_int(&[1]),
242                price: nested_item.get_int(&[2]).map(|v| v as u8),
243                price_level: nested_item.get_int(&[3]).map(|v| v as i16),
244                description: nested_item.get_string_owned(&[4]),
245                components: {
246                    if let Some(tlv::TlvItemValue::List(l)) = nested_item.get(&[5]) {
247                        let mut items = Vec::new();
248                        for list_item in l {
249                            items.push(CommodityPriceComponent {
250                price: list_item.get_int(&[0]).map(|v| v as u8),
251                source: list_item.get_int(&[1]).map(|v| v as u8),
252                description: list_item.get_string_owned(&[2]),
253                tariff_component_id: list_item.get_int(&[3]).map(|v| v as u32),
254                            });
255                        }
256                        Some(items)
257                    } else {
258                        None
259                    }
260                },
261                            })
262                        } else {
263                            None
264                        }
265                    } else {
266                        None
267                    }
268                },
269        })
270    } else {
271        Err(anyhow::anyhow!("Expected struct fields"))
272    }
273}
274
275/// Decode GetDetailedForecastResponse command response (03)
276pub fn decode_get_detailed_forecast_response(inp: &tlv::TlvItemValue) -> anyhow::Result<GetDetailedForecastResponse> {
277    if let tlv::TlvItemValue::List(_fields) = inp {
278        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
279        Ok(GetDetailedForecastResponse {
280                price_forecast: {
281                    if let Some(tlv::TlvItemValue::List(l)) = item.get(&[0]) {
282                        let mut items = Vec::new();
283                        for list_item in l {
284                            items.push(CommodityPrice {
285                period_start: list_item.get_int(&[0]),
286                period_end: list_item.get_int(&[1]),
287                price: list_item.get_int(&[2]).map(|v| v as u8),
288                price_level: list_item.get_int(&[3]).map(|v| v as i16),
289                description: list_item.get_string_owned(&[4]),
290                components: {
291                    if let Some(tlv::TlvItemValue::List(l)) = list_item.get(&[5]) {
292                        let mut items = Vec::new();
293                        for list_item in l {
294                            items.push(CommodityPriceComponent {
295                price: list_item.get_int(&[0]).map(|v| v as u8),
296                source: list_item.get_int(&[1]).map(|v| v as u8),
297                description: list_item.get_string_owned(&[2]),
298                tariff_component_id: list_item.get_int(&[3]).map(|v| v as u32),
299                            });
300                        }
301                        Some(items)
302                    } else {
303                        None
304                    }
305                },
306                            });
307                        }
308                        Some(items)
309                    } else {
310                        None
311                    }
312                },
313        })
314    } else {
315        Err(anyhow::anyhow!("Expected struct fields"))
316    }
317}
318
319#[derive(Debug, serde::Serialize)]
320pub struct PriceChangeEvent {
321    pub current_price: Option<CommodityPrice>,
322}
323
324// Event decoders
325
326/// Decode PriceChange event (0x00, priority: info)
327pub fn decode_price_change_event(inp: &tlv::TlvItemValue) -> anyhow::Result<PriceChangeEvent> {
328    if let tlv::TlvItemValue::List(_fields) = inp {
329        let item = tlv::TlvItem { tag: 0, value: inp.clone() };
330        Ok(PriceChangeEvent {
331                                current_price: {
332                    if let Some(nested_tlv) = item.get(&[0]) {
333                        if let tlv::TlvItemValue::List(_) = nested_tlv {
334                            let nested_item = tlv::TlvItem { tag: 0, value: nested_tlv.clone() };
335                            Some(CommodityPrice {
336                period_start: nested_item.get_int(&[0]),
337                period_end: nested_item.get_int(&[1]),
338                price: nested_item.get_int(&[2]).map(|v| v as u8),
339                price_level: nested_item.get_int(&[3]).map(|v| v as i16),
340                description: nested_item.get_string_owned(&[4]),
341                components: {
342                    if let Some(tlv::TlvItemValue::List(l)) = nested_item.get(&[5]) {
343                        let mut items = Vec::new();
344                        for list_item in l {
345                            items.push(CommodityPriceComponent {
346                price: list_item.get_int(&[0]).map(|v| v as u8),
347                source: list_item.get_int(&[1]).map(|v| v as u8),
348                description: list_item.get_string_owned(&[2]),
349                tariff_component_id: list_item.get_int(&[3]).map(|v| v as u32),
350                            });
351                        }
352                        Some(items)
353                    } else {
354                        None
355                    }
356                },
357                            })
358                        } else {
359                            None
360                        }
361                    } else {
362                        None
363                    }
364                },
365        })
366    } else {
367        Err(anyhow::anyhow!("Expected struct fields"))
368    }
369}
370
matc/clusters/codec/commodity_price.rs

matc/clusters/codec/
commodity_price.rs
