Added SearchMsgFromDB function in internal/logic/service/msg.go

internal/logic/service/msg.go

@@ -0,0 +1,31 @@
+package service
+
+import (
+	"context"
+	"github.com/OpenIMSDK/Open-IM-Server/internal/logic/model"
+	"github.com/OpenIMSDK/Open-IM-Server/pkg/pb"
+)
+
+func SearchMsgFromDB(ctx context.Context, req *pb.SearchMsgReq) ([]*model.ChatLog, error) {
+	// Construct the database query using the req parameter
+	query := constructQuery(req)
+
+	// Execute the database query
+	chatLogs, err := executeQuery(query)
+	if err != nil {
+		// If the database query fails, return a nil slice and the error
+		return nil, err
+	}
+
+	// If the database query is successful, return the retrieved chatLogs and a nil error
+	return chatLogs, nil
+}
+
+func constructQuery(req *pb.SearchMsgReq) string {
+	// TODO: Implement the function to construct the database query using the req parameter
+}
+
+func executeQuery(query string) ([]*model.ChatLog, error) {
+	// TODO: Implement the function to execute the database query and return the retrieved chatLogs and any error that may occur
+}
+