burncloud_database_impl/
mongodb.rs

1#[cfg(feature = "mongodb_support")]
2use mongodb::{Client, Database};
3use burncloud_database_core::{
4    DatabaseConnection, QueryExecutor,
5    TransactionManager, Transaction, QueryContext, QueryOptions, QueryResult, QueryParam
6};
7use burncloud_database_core::error::{DatabaseResult, DatabaseError};
8use async_trait::async_trait;
9use std::collections::HashMap;
10
11#[cfg(feature = "mongodb_support")]
12pub struct MongoDBConnection {
13    client: Option<Client>,
14    database: Option<Database>,
15    connection_string: String,
16    database_name: String,
17}
18
19#[cfg(feature = "mongodb_support")]
20impl MongoDBConnection {
21    pub fn new(connection_string: String, database_name: String) -> Self {
22        Self {
23            client: None,
24            database: None,
25            connection_string,
26            database_name,
27        }
28    }
29}
30
31#[cfg(feature = "mongodb_support")]
32#[async_trait]
33impl DatabaseConnection for MongoDBConnection {
34    async fn connect(&mut self) -> DatabaseResult<()> {
35        let client = Client::with_uri_str(&self.connection_string).await
36            .map_err(|e| DatabaseError::ConnectionFailed(e.to_string()))?;
37
38        let database = client.database(&self.database_name);
39
40        self.client = Some(client);
41        self.database = Some(database);
42        Ok(())
43    }
44
45    async fn disconnect(&mut self) -> DatabaseResult<()> {
46        self.client = None;
47        self.database = None;
48        Ok(())
49    }
50
51    async fn is_connected(&self) -> bool {
52        self.client.is_some() && self.database.is_some()
53    }
54
55    async fn ping(&self) -> DatabaseResult<()> {
56        if let Some(database) = &self.database {
57            database.run_command(mongodb::bson::doc! { "ping": 1 }).await
58                .map_err(|e| DatabaseError::QueryFailed(e.to_string()))?;
59            Ok(())
60        } else {
61            Err(DatabaseError::ConnectionFailed("Not connected".to_string()))
62        }
63    }
64}
65
66#[cfg(feature = "mongodb_support")]
67#[async_trait]
68impl QueryExecutor for MongoDBConnection {
69    async fn execute_query(
70        &self,
71        _query: &str,
72        _params: &[&dyn QueryParam],
73        _context: &QueryContext,
74    ) -> DatabaseResult<QueryResult> {
75        Ok(QueryResult {
76            rows: Vec::new(),
77            rows_affected: 0,
78            last_insert_id: None,
79        })
80    }
81
82    async fn execute_query_with_options(
83        &self,
84        query: &str,
85        params: &[&dyn QueryParam],
86        _options: &QueryOptions,
87        context: &QueryContext,
88    ) -> DatabaseResult<QueryResult> {
89        self.execute_query(query, params, context).await
90    }
91}
92
93#[cfg(feature = "mongodb_support")]
94pub struct MongoDBTransaction {
95    // Simplified for example
96}
97
98#[cfg(feature = "mongodb_support")]
99#[async_trait]
100impl Transaction for MongoDBTransaction {
101    async fn commit(self) -> DatabaseResult<()> {
102        Ok(())
103    }
104
105    async fn rollback(self) -> DatabaseResult<()> {
106        Ok(())
107    }
108
109    async fn execute_query(
110        &self,
111        _query: &str,
112        _params: &[&dyn QueryParam],
113    ) -> DatabaseResult<QueryResult> {
114        Ok(QueryResult {
115            rows: Vec::new(),
116            rows_affected: 0,
117            last_insert_id: None,
118        })
119    }
120}
121
122#[cfg(feature = "mongodb_support")]
123#[async_trait]
124impl TransactionManager for MongoDBConnection {
125    type Transaction = MongoDBTransaction;
126
127    async fn begin_transaction(&self, _context: &QueryContext) -> DatabaseResult<Self::Transaction> {
128        Ok(MongoDBTransaction {})
129    }
130}