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::ERNVersion;
7use ddex_core::models::versions::VersionDifferences;
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: version,
18            _differences: VersionDifferences::for_version(version),
19        }
20    }
21
22    /// Transform version-specific MessageHeader to common model
23    pub fn adapt_message_header(
24        &self,
25        _xml_data: &[u8],
26    ) -> Result<ddex_core::models::graph::MessageHeader, ParseError> {
27        // Placeholder implementation
28        use ddex_core::models::graph::{
29            MessageHeader, MessageRecipient, MessageSender, MessageType,
30        };
31
32        Ok(MessageHeader {
33            message_id: "PLACEHOLDER".to_string(),
34            message_type: MessageType::NewReleaseMessage,
35            message_created_date_time: chrono::Utc::now(),
36            message_sender: MessageSender {
37                party_id: Vec::new(),
38                party_name: Vec::new(),
39                trading_name: None,
40                extensions: None,
41                attributes: None,
42                comments: None,
43            },
44            message_recipient: MessageRecipient {
45                party_id: Vec::new(),
46                party_name: Vec::new(),
47                trading_name: None,
48                extensions: None,
49                attributes: None,
50                comments: None,
51            },
52            message_control_type: None,
53            message_thread_id: None,
54            extensions: None,
55            attributes: None,
56            comments: None,
57        })
58    }
59
60    /// Adapt DealTerms based on version
61    pub fn adapt_deal_terms(
62        &self,
63        _xml_data: &[u8],
64    ) -> Result<ddex_core::models::graph::DealTerms, ParseError> {
65        // Placeholder implementation
66        use ddex_core::models::graph::DealTerms;
67
68        Ok(DealTerms {
69            validity_period: None,
70            start_date: None,
71            end_date: None,
72            territory_code: Vec::new(),
73            excluded_territory_code: Vec::new(),
74            distribution_channel: Vec::new(),
75            excluded_distribution_channel: Vec::new(),
76            commercial_model_type: Vec::new(),
77            use_type: Vec::new(),
78            price_information: Vec::new(),
79            wholesale_price: Vec::new(),
80            suggested_retail_price: Vec::new(),
81            pre_order_date: None,
82            pre_order_preview_date: None,
83            instant_gratification_date: None,
84            takedown_date: None,
85        })
86    }
87}
88
89/// Migration helper to upgrade between versions
90pub struct VersionMigrator;
91
92impl VersionMigrator {
93    /// Migrate from 3.8.2 to 4.2
94    pub fn migrate_382_to_42(message: &ERNMessage) -> Result<ERNMessage, ParseError> {
95        let mut migrated = message.clone();
96        migrated.version = ERNVersion::V4_2;
97
98        // Add empty audit trail if not present
99        if migrated.message_audit_trail.is_none() {
100            migrated.message_audit_trail = Some(ddex_core::models::graph::MessageAuditTrail {
101                audit_trail_events: Vec::new(),
102                extensions: None,
103                attributes: None,
104                comments: None,
105            });
106        }
107
108        Ok(migrated)
109    }
110
111    /// Migrate from 4.2 to 4.3
112    pub fn migrate_42_to_43(message: &ERNMessage) -> Result<ERNMessage, ParseError> {
113        let mut migrated = message.clone();
114        migrated.version = ERNVersion::V4_3;
115        Ok(migrated)
116    }
117
118    /// Downgrade from 4.3 to 4.2 (with data loss warnings)
119    pub fn downgrade_43_to_42(
120        message: &ERNMessage,
121    ) -> Result<(ERNMessage, Vec<String>), ParseError> {
122        let mut downgraded = message.clone();
123        downgraded.version = ERNVersion::V4_2;
124
125        let mut warnings = Vec::new();
126
127        if downgraded.profile.is_some() {
128            warnings.push("Profile information will be lost in 4.2".to_string());
129            downgraded.profile = None;
130        }
131
132        Ok((downgraded, warnings))
133    }
134}