0.7.1 for Real ! - it was 0.7.0 before, not 0.7.1 !!

kb_lib/src/db/dtos/chain_transaction.rs

@@ -0,0 +1,115 @@
+// file: kb_lib/src/db/dtos/chain_transaction.rs
+
+//! Application-facing normalized chain transaction DTO.
+
+/// Application-facing normalized chain transaction DTO.
+#[derive(Debug, Clone, serde::Serialize, serde::Deserialize)]
+pub struct KbChainTransactionDto {
+    /// Optional numeric primary key.
+    pub id: std::option::Option<i64>,
+    /// Transaction signature.
+    pub signature: std::string::String,
+    /// Optional slot number.
+    pub slot: std::option::Option<u64>,
+    /// Optional block time in unix seconds.
+    pub block_time_unix: std::option::Option<i64>,
+    /// Optional source endpoint name.
+    pub source_endpoint_name: std::option::Option<std::string::String>,
+    /// Optional version text.
+    pub version_text: std::option::Option<std::string::String>,
+    /// Optional serialized transaction error JSON.
+    pub err_json: std::option::Option<std::string::String>,
+    /// Optional serialized meta JSON.
+    pub meta_json: std::option::Option<std::string::String>,
+    /// Serialized full transaction JSON.
+    pub transaction_json: std::string::String,
+    /// Creation timestamp.
+    pub created_at: chrono::DateTime<chrono::Utc>,
+    /// Update timestamp.
+    pub updated_at: chrono::DateTime<chrono::Utc>,
+}
+
+impl KbChainTransactionDto {
+    /// Creates a new chain transaction DTO.
+    #[allow(clippy::too_many_arguments)]
+    pub fn new(
+        signature: std::string::String,
+        slot: std::option::Option<u64>,
+        block_time_unix: std::option::Option<i64>,
+        source_endpoint_name: std::option::Option<std::string::String>,
+        version_text: std::option::Option<std::string::String>,
+        err_json: std::option::Option<std::string::String>,
+        meta_json: std::option::Option<std::string::String>,
+        transaction_json: std::string::String,
+    ) -> Self {
+        let now = chrono::Utc::now();
+        Self {
+            id: None,
+            signature,
+            slot,
+            block_time_unix,
+            source_endpoint_name,
+            version_text,
+            err_json,
+            meta_json,
+            transaction_json,
+            created_at: now,
+            updated_at: now,
+        }
+    }
+}
+
+impl TryFrom<crate::KbChainTransactionEntity> for KbChainTransactionDto {
+    type Error = crate::KbError;
+
+    fn try_from(entity: crate::KbChainTransactionEntity) -> Result<Self, Self::Error> {
+        let slot = match entity.slot {
+            Some(slot) => {
+                let slot_result = u64::try_from(slot);
+                match slot_result {
+                    Ok(slot) => Some(slot),
+                    Err(error) => {
+                        return Err(crate::KbError::Db(format!(
+                            "cannot convert chain transaction slot '{}' to u64: {}",
+                            slot, error
+                        )));
+                    }
+                }
+            }
+            None => None,
+        };
+        let created_at_result = chrono::DateTime::parse_from_rfc3339(&entity.created_at);
+        let created_at = match created_at_result {
+            Ok(created_at) => created_at.with_timezone(&chrono::Utc),
+            Err(error) => {
+                return Err(crate::KbError::Db(format!(
+                    "cannot parse chain transaction created_at '{}': {}",
+                    entity.created_at, error
+                )));
+            }
+        };
+        let updated_at_result = chrono::DateTime::parse_from_rfc3339(&entity.updated_at);
+        let updated_at = match updated_at_result {
+            Ok(updated_at) => updated_at.with_timezone(&chrono::Utc),
+            Err(error) => {
+                return Err(crate::KbError::Db(format!(
+                    "cannot parse chain transaction updated_at '{}': {}",
+                    entity.updated_at, error
+                )));
+            }
+        };
+        Ok(Self {
+            id: Some(entity.id),
+            signature: entity.signature,
+            slot,
+            block_time_unix: entity.block_time_unix,
+            source_endpoint_name: entity.source_endpoint_name,
+            version_text: entity.version_text,
+            err_json: entity.err_json,
+            meta_json: entity.meta_json,
+            transaction_json: entity.transaction_json,
+            created_at,
+            updated_at,
+        })
+    }
+}