Add sort to find

find.go

@@ -8,9 +8,10 @@ import (
 )
 
 type FindOptions struct {
-	Offset int64  `json:"offset"`
-	Limit  int64  `json:"limit"`
-	Alias  string `json:"alias"`
+	Offset int64   `json:"offset"`
+	Limit  int64   `json:"limit"`
+	Alias  string  `json:"alias"`
+	Sort   [][]any `json:"sort"`
 }
 
 // Find is used to fetch the first page of data.
@@ -31,8 +32,15 @@ func (c *MongoClient) Find(ctx context.Context, database, name string, filter bs
 
 	pageSize := max(limit, c.Limit)
 
-	sort := bson.M{"_id": 1}
+	sortOpts := commons.BsonDFromSlice(opts.Sort)
+	var sort bson.D
 
+	if len(sortOpts) == 0 {
+		sort = sortOpts
+	} else {
+		sort = bson.D{{Key: "_id", Value: 1}}
+	}
+	
 	if err := c.DiscriminatorCheckAndApplyToFilter(ctx, name, filter); err != nil {
 		return nil, err
 	}
@@ -139,7 +147,9 @@ func (c *MongoClient) FindOffset(ctx context.Context, database, name string, fil
 		Filter: filter,
 	})
 
-	pipeline := BuildPaginationPipeline(offset, finalLimit, f, nil)
+	sort := commons.BsonDFromSlice(opts.Sort)
+	
+	pipeline := BuildPaginationPipeline(offset, finalLimit, f, sort)
 
 	// 2. Query
 	cursor, err := collection.Aggregate(ctx, pipeline)