fix: wasm working with timestamps

rust/core/Cargo.toml

@@ -27,5 +27,8 @@ sha2 = { default-features = false, version = "0.10.8" }
 data-encoding = "2.5.0"
 tokio-util = "0.7.10"
 
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+js-sys = "0.3.69"
+
 [dev-dependencies]
 tokio = { version = "1.37.0", features = ["rt", "macros"], default-features = false }

rust/core/src/database_duckdb.rs

@@ -3,6 +3,8 @@ use crate::databases::{
     Timestamp,
 };
 use chrono::{DateTime, Utc};
+#[cfg(target_arch = "wasm32")]
+use js_sys::Date;
 use quary_proto::snapshot::snapshot_strategy::StrategyType;
 use sqlinference::dialect::Dialect;
 use std::time::SystemTime;
@@ -81,6 +83,7 @@ impl DatabaseQueryGenerator for DatabaseQueryGeneratorDuckDB {
         name.into()
     }
 
+    #[cfg(not(target_arch = "wasm32"))]
     fn get_current_timestamp(&self) -> Timestamp {
         let datetime = self
             .override_now
@@ -91,6 +94,16 @@ impl DatabaseQueryGenerator for DatabaseQueryGeneratorDuckDB {
             datetime.format("%Y-%m-%dT%H:%M:%SZ")
         )
     }
+
+    #[cfg(target_arch = "wasm32")]
+    fn get_current_timestamp(&self) -> Timestamp {
+        let js_date = Date::new_0();
+        let datetime: DateTime<Utc> = js_date.into();
+        format!(
+            "CAST ('{}' AS TIMESTAMP WITH TIME ZONE)",
+            datetime.format("%Y-%m-%dT%H:%M:%SZ")
+        )
+    }
 }
 
 impl SnapshotGenerator for DatabaseQueryGeneratorDuckDB {

rust/core/src/database_postgres.rs

@@ -6,6 +6,8 @@ use chrono::{DateTime, Utc};
 use quary_proto::snapshot::snapshot_strategy::StrategyType;
 use sqlinference::dialect::Dialect;
 use std::time::SystemTime;
+#[cfg(target_arch = "wasm32")]
+use js_sys::Date;
 
 #[derive(Debug, Clone)]
 pub struct DatabaseQueryGeneratorPostgres {
@@ -151,6 +153,7 @@ impl DatabaseQueryGenerator for DatabaseQueryGeneratorPostgres {
         name.to_string()
     }
 
+    #[cfg(not(target_arch = "wasm32"))]
     fn get_current_timestamp(&self) -> Timestamp {
         let datetime = self
             .override_now
@@ -159,6 +162,16 @@ impl DatabaseQueryGenerator for DatabaseQueryGeneratorPostgres {
             .format("%Y-%m-%dT%H:%M:%SZ");
         format!("CAST('{}' AS TIMESTAMP WITH TIME ZONE)", datetime)
     }
+
+    #[cfg(target_arch = "wasm32")]
+    fn get_current_timestamp(&self) -> Timestamp {
+        let js_date = Date::new_0();
+        let datetime: DateTime<Utc> = js_date.into();
+        format!(
+            "CAST ('{}' AS TIMESTAMP WITH TIME ZONE)",
+            datetime.format("%Y-%m-%dT%H:%M:%SZ")
+        )
+    }
 }
 
 impl SnapshotGenerator for DatabaseQueryGeneratorPostgres {

rust/core/src/database_redshift.rs

@@ -6,6 +6,8 @@ use chrono::{DateTime, Utc};
 use quary_proto::snapshot::snapshot_strategy::StrategyType;
 use sqlinference::dialect::Dialect;
 use std::time::SystemTime;
+#[cfg(target_arch = "wasm32")]
+use js_sys::Date;
 
 #[derive(Debug, Clone)]
 pub struct DatabaseQueryGeneratorRedshift {
@@ -151,6 +153,7 @@ impl DatabaseQueryGenerator for DatabaseQueryGeneratorRedshift {
         name.to_string()
     }
 
+    #[cfg(not(target_arch = "wasm32"))]
     fn get_current_timestamp(&self) -> Timestamp {
         let datetime = self
             .override_now
@@ -159,6 +162,16 @@ impl DatabaseQueryGenerator for DatabaseQueryGeneratorRedshift {
             .format("%Y-%m-%dT%H:%M:%SZ");
         format!("CAST('{}' AS TIMESTAMP WITH TIME ZONE)", datetime)
     }
+
+    #[cfg(target_arch = "wasm32")]
+    fn get_current_timestamp(&self) -> Timestamp {
+        let js_date = Date::new_0();
+        let datetime: DateTime<Utc> = js_date.into();
+        format!(
+            "CAST ('{}' AS TIMESTAMP WITH TIME ZONE)",
+            datetime.format("%Y-%m-%dT%H:%M:%SZ")
+        )
+    }
 }
 
 impl SnapshotGenerator for DatabaseQueryGeneratorRedshift {

rust/core/src/databases.rs

@@ -218,6 +218,10 @@ impl DatabaseQueryGenerator for Box<dyn DatabaseQueryGenerator> {
     fn database_name_wrapper(&self, name: &str) -> String {
         self.as_ref().database_name_wrapper(name)
     }
+
+    fn get_current_timestamp(&self) -> String {
+        self.as_ref().get_current_timestamp()
+    }
 }
 
 pub trait SnapshotGenerator {