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backbone_catalog/domain/entity/
attribute.rs

1use chrono::{DateTime, Utc};
2use serde::{Deserialize, Serialize};
3use sqlx::FromRow;
4use uuid::Uuid;
5
6use super::AttributeType;
7use super::CatalogStatus;
8use super::AuditMetadata;
9
10/// Strongly-typed ID for Attribute
11#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
12#[serde(transparent)]
13pub struct AttributeId(pub Uuid);
14
15impl AttributeId {
16    pub fn new(id: Uuid) -> Self { Self(id) }
17    pub fn generate() -> Self { Self(Uuid::new_v4()) }
18    pub fn into_inner(self) -> Uuid { self.0 }
19}
20
21impl std::fmt::Display for AttributeId {
22    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
23        write!(f, "{}", self.0)
24    }
25}
26
27impl std::str::FromStr for AttributeId {
28    type Err = uuid::Error;
29    fn from_str(s: &str) -> Result<Self, Self::Err> {
30        Ok(Self(Uuid::parse_str(s)?))
31    }
32}
33
34impl From<Uuid> for AttributeId {
35    fn from(id: Uuid) -> Self { Self(id) }
36}
37
38impl From<AttributeId> for Uuid {
39    fn from(id: AttributeId) -> Self { id.0 }
40}
41
42impl AsRef<Uuid> for AttributeId {
43    fn as_ref(&self) -> &Uuid { &self.0 }
44}
45
46impl std::ops::Deref for AttributeId {
47    type Target = Uuid;
48    fn deref(&self) -> &Self::Target { &self.0 }
49}
50
51#[derive(Debug, Clone, Serialize, Deserialize, FromRow)]
52pub struct Attribute {
53    pub id: Uuid,
54    pub code: String,
55    pub name: String,
56    pub attribute_type: AttributeType,
57    pub status: CatalogStatus,
58    #[serde(default)]
59    #[sqlx(json)]
60    pub metadata: AuditMetadata,
61}
62
63impl Attribute {
64    /// Create a builder for Attribute
65    pub fn builder() -> AttributeBuilder {
66        <AttributeBuilder as Default>::default()
67    }
68
69    /// Create a new Attribute with required fields
70    pub fn new(code: String, name: String, attribute_type: AttributeType, status: CatalogStatus) -> Self {
71        Self {
72            id: Uuid::new_v4(),
73            code,
74            name,
75            attribute_type,
76            status,
77            metadata: AuditMetadata::default(),
78        }
79    }
80
81    /// Get the entity's unique identifier
82    pub fn id(&self) -> &Uuid {
83        &self.id
84    }
85
86    /// Get a strongly-typed ID for this entity
87    pub fn typed_id(&self) -> AttributeId {
88        AttributeId(self.id)
89    }
90
91    /// Get when this entity was created
92    pub fn created_at(&self) -> Option<&DateTime<Utc>> {
93        self.metadata.created_at.as_ref()
94    }
95
96    /// Get when this entity was last updated
97    pub fn updated_at(&self) -> Option<&DateTime<Utc>> {
98        self.metadata.updated_at.as_ref()
99    }
100
101    /// Check if this entity is soft deleted
102    pub fn is_deleted(&self) -> bool {
103        self.metadata.deleted_at.is_some()
104    }
105
106    /// Check if this entity is active (not deleted)
107    pub fn is_active(&self) -> bool {
108        self.metadata.deleted_at.is_none()
109    }
110
111    /// Get when this entity was deleted
112    pub fn deleted_at(&self) -> Option<&DateTime<Utc>> {
113        self.metadata.deleted_at.as_ref()
114    }
115
116    /// Get who created this entity
117    pub fn created_by(&self) -> Option<&Uuid> {
118        self.metadata.created_by.as_ref()
119    }
120
121    /// Get who last updated this entity
122    pub fn updated_by(&self) -> Option<&Uuid> {
123        self.metadata.updated_by.as_ref()
124    }
125
126    /// Get who deleted this entity
127    pub fn deleted_by(&self) -> Option<&Uuid> {
128        self.metadata.deleted_by.as_ref()
129    }
130
131    /// Get the current status
132    pub fn status(&self) -> &CatalogStatus {
133        &self.status
134    }
135
136
137    // ==========================================================
138    // Partial Update
139    // ==========================================================
140
141    /// Apply partial updates from a map of field name to JSON value
142    pub fn apply_patch(&mut self, fields: std::collections::HashMap<String, serde_json::Value>) {
143        for (key, value) in fields {
144            match key.as_str() {
145                "code" => {
146                    if let Ok(v) = serde_json::from_value(value) { self.code = v; }
147                }
148                "name" => {
149                    if let Ok(v) = serde_json::from_value(value) { self.name = v; }
150                }
151                "attribute_type" => {
152                    if let Ok(v) = serde_json::from_value(value) { self.attribute_type = v; }
153                }
154                "status" => {
155                    if let Ok(v) = serde_json::from_value(value) { self.status = v; }
156                }
157                _ => {} // ignore unknown fields
158            }
159        }
160    }
161
162    // <<< CUSTOM METHODS START >>>
163    // <<< CUSTOM METHODS END >>>
164}
165
166impl super::Entity for Attribute {
167    type Id = Uuid;
168
169    fn entity_id(&self) -> &Self::Id {
170        &self.id
171    }
172
173    fn entity_type() -> &'static str {
174        "Attribute"
175    }
176}
177
178impl backbone_core::PersistentEntity for Attribute {
179    fn entity_id(&self) -> String {
180        self.id.to_string()
181    }
182    fn set_entity_id(&mut self, id: String) {
183        if let Ok(uuid) = uuid::Uuid::parse_str(&id) {
184            self.id = uuid;
185        }
186    }
187    fn created_at(&self) -> Option<chrono::DateTime<chrono::Utc>> {
188        self.metadata.created_at
189    }
190    fn set_created_at(&mut self, ts: chrono::DateTime<chrono::Utc>) {
191        self.metadata.created_at = Some(ts);
192    }
193    fn updated_at(&self) -> Option<chrono::DateTime<chrono::Utc>> {
194        self.metadata.updated_at
195    }
196    fn set_updated_at(&mut self, ts: chrono::DateTime<chrono::Utc>) {
197        self.metadata.updated_at = Some(ts);
198    }
199    fn deleted_at(&self) -> Option<chrono::DateTime<chrono::Utc>> {
200        self.metadata.deleted_at
201    }
202    fn set_deleted_at(&mut self, ts: Option<chrono::DateTime<chrono::Utc>>) {
203        self.metadata.deleted_at = ts;
204    }
205}
206
207impl backbone_orm::EntityRepoMeta for Attribute {
208    fn column_types() -> std::collections::HashMap<String, String> {
209        let mut m = std::collections::HashMap::new();
210        m.insert("id".to_string(), "uuid".to_string());
211        m.insert("attribute_type".to_string(), "attribute_type".to_string());
212        m.insert("status".to_string(), "catalog_status".to_string());
213        m
214    }
215    fn search_fields() -> &'static [&'static str] {
216        &["code", "name"]
217    }
218}
219
220/// Builder for Attribute entity
221///
222/// Provides a fluent API for constructing Attribute instances.
223/// System fields (id, metadata, timestamps) are auto-initialized.
224#[derive(Debug, Clone, Default)]
225pub struct AttributeBuilder {
226    code: Option<String>,
227    name: Option<String>,
228    attribute_type: Option<AttributeType>,
229    status: Option<CatalogStatus>,
230}
231
232impl AttributeBuilder {
233    /// Set the code field (required)
234    pub fn code(mut self, value: String) -> Self {
235        self.code = Some(value);
236        self
237    }
238
239    /// Set the name field (required)
240    pub fn name(mut self, value: String) -> Self {
241        self.name = Some(value);
242        self
243    }
244
245    /// Set the attribute_type field (default: `AttributeType::default()`)
246    pub fn attribute_type(mut self, value: AttributeType) -> Self {
247        self.attribute_type = Some(value);
248        self
249    }
250
251    /// Set the status field (default: `CatalogStatus::default()`)
252    pub fn status(mut self, value: CatalogStatus) -> Self {
253        self.status = Some(value);
254        self
255    }
256
257    /// Build the Attribute entity
258    ///
259    /// Returns Err if any required field without a default is missing.
260    pub fn build(self) -> Result<Attribute, String> {
261        let code = self.code.ok_or_else(|| "code is required".to_string())?;
262        let name = self.name.ok_or_else(|| "name is required".to_string())?;
263
264        Ok(Attribute {
265            id: Uuid::new_v4(),
266            code,
267            name,
268            attribute_type: self.attribute_type.unwrap_or_default(),
269            status: self.status.unwrap_or_default(),
270            metadata: AuditMetadata::default(),
271        })
272    }
273}