refine: add new_manifest_writer in SnapshotProducer (#1481)

## Which issue does this PR close?


This PR add new_manifest_writer in SnapshotProducer and this function
can be used to create different manifset writer for different action in
the future, e.g. MergeAppend
#902

## What changes are included in this PR?



## Are these changes tested?



Co-authored-by: ZENOTME <st810918843@gmail.com>

Author: ZENOTME

crates/iceberg/src/transaction/snapshot.rs

@@ -22,12 +22,12 @@ use std::ops::RangeFrom;
 use uuid::Uuid;
 
 use crate::error::Result;
-use crate::io::OutputFile;
 use crate::spec::{
-    DataFile, DataFileFormat, FormatVersion, MAIN_BRANCH, ManifestEntry, ManifestFile,
-    ManifestListWriter, ManifestWriterBuilder, Operation, PROPERTY_WRITE_PARTITION_SUMMARY_LIMIT,
-    PROPERTY_WRITE_PARTITION_SUMMARY_LIMIT_DEFAULT, Snapshot, SnapshotReference, SnapshotRetention,
-    SnapshotSummaryCollector, Struct, StructType, Summary, update_snapshot_summaries,
+    DataFile, DataFileFormat, FormatVersion, MAIN_BRANCH, ManifestContentType, ManifestEntry,
+    ManifestFile, ManifestListWriter, ManifestWriter, ManifestWriterBuilder, Operation,
+    PROPERTY_WRITE_PARTITION_SUMMARY_LIMIT, PROPERTY_WRITE_PARTITION_SUMMARY_LIMIT_DEFAULT,
+    Snapshot, SnapshotReference, SnapshotRetention, SnapshotSummaryCollector, Struct, StructType,
+    Summary, update_snapshot_summaries,
 };
 use crate::table::Table;
 use crate::transaction::ActionCommit;
@@ -177,7 +177,11 @@ impl SnapshotProducer {
         snapshot_id
     }
 
-    fn new_manifest_output(&mut self, table: &Table) -> Result<OutputFile> {
+    fn new_manifest_writer(
+        &mut self,
+        content: ManifestContentType,
+        table: &Table,
+    ) -> Result<ManifestWriter> {
         let new_manifest_path = format!(
             "{}/{}/{}-m{}.{}",
             table.metadata().location(),
@@ -186,7 +190,22 @@ impl SnapshotProducer {
             self.manifest_counter.next().unwrap(),
             DataFileFormat::Avro
         );
-        table.file_io().new_output(new_manifest_path)
+        let output_file = table.file_io().new_output(new_manifest_path)?;
+        let builder = ManifestWriterBuilder::new(
+            output_file,
+            Some(self.snapshot_id),
+            self.key_metadata.clone(),
+            table.metadata().current_schema().clone(),
+            table.metadata().default_partition_spec().as_ref().clone(),
+        );
+        if table.metadata().format_version() == FormatVersion::V1 {
+            Ok(builder.build_v1())
+        } else {
+            match content {
+                ManifestContentType::Data => Ok(builder.build_v2_data()),
+                ManifestContentType::Deletes => Ok(builder.build_v2_deletes()),
+            }
+        }
     }
 
     // Check if the partition value is compatible with the partition type.
@@ -244,20 +263,7 @@ impl SnapshotProducer {
                 builder.build()
             }
         });
-        let mut writer = {
-            let builder = ManifestWriterBuilder::new(
-                self.new_manifest_output(table)?,
-                Some(self.snapshot_id),
-                self.key_metadata.clone(),
-                table.metadata().current_schema().clone(),
-                table.metadata().default_partition_spec().as_ref().clone(),
-            );
-            if table.metadata().format_version() == FormatVersion::V1 {
-                builder.build_v1()
-            } else {
-                builder.build_v2_data()
-            }
-        };
+        let mut writer = self.new_manifest_writer(ManifestContentType::Data, table)?;
         for entry in manifest_entries {
             writer.add_entry(entry)?;
         }