ddex_parser/transform/
version_adapter.rs

1// core/src/transform/version_adapter.rs
2//! Version-specific transformation and adaptation
3
4use crate::error::ParseError;
5use ddex_core::models::graph::ERNMessage;
6use ddex_core::models::versions::VersionDifferences;
7use ddex_core::models::versions::ERNVersion;
8
9pub struct VersionAdapter {
10    version: ERNVersion,
11    differences: VersionDifferences,
12}
13
14impl VersionAdapter {
15    pub fn new(version: ERNVersion) -> Self {
16        Self {
17            version,
18            differences: VersionDifferences::for_version(version),
19        }
20    }
21    
22    /// Transform version-specific MessageHeader to common model
23    pub fn adapt_message_header(&self, _xml_data: &[u8]) -> Result<ddex_core::models::graph::MessageHeader, ParseError> {
24        // Placeholder implementation
25        use ddex_core::models::graph::{MessageHeader, MessageType, MessageSender, MessageRecipient};
26        
27        Ok(MessageHeader {
28            message_id: "PLACEHOLDER".to_string(),
29            message_type: MessageType::NewReleaseMessage,
30            message_created_date_time: chrono::Utc::now(),
31            message_sender: MessageSender {
32                party_id: Vec::new(),
33                party_name: Vec::new(),
34                trading_name: None,
35                extensions: None,
36                attributes: None,
37                comments: None,
38            },
39            message_recipient: MessageRecipient {
40                party_id: Vec::new(),
41                party_name: Vec::new(),
42                trading_name: None,
43                extensions: None,
44                attributes: None,
45                comments: None,
46            },
47            message_control_type: None,
48            message_thread_id: None,
49            extensions: None,
50            attributes: None,
51            comments: None,
52        })
53    }
54    
55    /// Adapt DealTerms based on version
56    pub fn adapt_deal_terms(&self, _xml_data: &[u8]) -> Result<ddex_core::models::graph::DealTerms, ParseError> {
57        // Placeholder implementation
58        use ddex_core::models::graph::DealTerms;
59        
60        Ok(DealTerms {
61            validity_period: None,
62            start_date: None,
63            end_date: None,
64            territory_code: Vec::new(),
65            excluded_territory_code: Vec::new(),
66            distribution_channel: Vec::new(),
67            excluded_distribution_channel: Vec::new(),
68            commercial_model_type: Vec::new(),
69            use_type: Vec::new(),
70            price_information: Vec::new(),
71            wholesale_price: Vec::new(),
72            suggested_retail_price: Vec::new(),
73            pre_order_date: None,
74            pre_order_preview_date: None,
75            instant_gratification_date: None,
76            takedown_date: None,
77        })
78    }
79}
80
81/// Migration helper to upgrade between versions
82pub struct VersionMigrator;
83
84impl VersionMigrator {
85    /// Migrate from 3.8.2 to 4.2
86    pub fn migrate_382_to_42(message: &ERNMessage) -> Result<ERNMessage, ParseError> {
87        let mut migrated = message.clone();
88        migrated.version = ERNVersion::V4_2;
89        
90        // Add empty audit trail if not present
91        if migrated.message_audit_trail.is_none() {
92            migrated.message_audit_trail = Some(ddex_core::models::graph::MessageAuditTrail {
93                audit_trail_events: Vec::new(),
94                extensions: None,
95                attributes: None,
96                comments: None,
97            });
98        }
99        
100        Ok(migrated)
101    }
102    
103    /// Migrate from 4.2 to 4.3
104    pub fn migrate_42_to_43(message: &ERNMessage) -> Result<ERNMessage, ParseError> {
105        let mut migrated = message.clone();
106        migrated.version = ERNVersion::V4_3;
107        Ok(migrated)
108    }
109    
110    /// Downgrade from 4.3 to 4.2 (with data loss warnings)
111    pub fn downgrade_43_to_42(message: &ERNMessage) -> Result<(ERNMessage, Vec<String>), ParseError> {
112        let mut downgraded = message.clone();
113        downgraded.version = ERNVersion::V4_2;
114        
115        let mut warnings = Vec::new();
116        
117        if downgraded.profile.is_some() {
118            warnings.push("Profile information will be lost in 4.2".to_string());
119            downgraded.profile = None;
120        }
121        
122        Ok((downgraded, warnings))
123    }
124}
ddex_parser/transform/version_adapter.rs

ddex_parser/transform/
version_adapter.rs
