backbone_inventory/domain/entity/
stock_entry_item.rs

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

backbone_inventory/domain/entity/
stock_entry_item.rs
