/// <summary>
/// 增加一条数据及其子表
/// </summary>
public int Add(Model.channel model)
{
//取得站点对应的导航ID
int parent_id = new DAL.SqlServer.channel_site(databaseprefix).GetSiteNavId(model.site_id);
if (parent_id == 0)
{
return(0);
}
using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
try
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into " + databaseprefix + "channel(");
strSql.Append("site_id,name,title,is_albums,is_attach,is_spec,sort_id)");
strSql.Append(" values (");
strSql.Append("@site_id,@name,@title,@is_albums,@is_attach,@is_spec,@sort_id)");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@site_id", SqlDbType.Int, 4),
new SqlParameter("@name", SqlDbType.VarChar, 50),
new SqlParameter("@title", SqlDbType.VarChar, 100),
new SqlParameter("@is_albums", SqlDbType.TinyInt, 1),
new SqlParameter("@is_attach", SqlDbType.TinyInt, 1),
new SqlParameter("@is_spec", SqlDbType.TinyInt, 1),
new SqlParameter("@sort_id", SqlDbType.Int, 4)
};
parameters[0].Value = model.site_id;
parameters[1].Value = model.name;
parameters[2].Value = model.title;
parameters[3].Value = model.is_albums;
parameters[4].Value = model.is_attach;
parameters[5].Value = model.is_spec;
parameters[6].Value = model.sort_id;
object obj = DbHelperSQL.GetSingle(conn, trans, strSql.ToString(), parameters); //带事务
model.id = Convert.ToInt32(obj);
//扩展字段
if (model.channel_fields != null)
{
StringBuilder strSql2;
foreach (Model.channel_field modelt in model.channel_fields)
{
strSql2 = new StringBuilder();
strSql2.Append("insert into " + databaseprefix + "channel_field(");
strSql2.Append("channel_id,field_id)");
strSql2.Append(" values (");
strSql2.Append("@channel_id,@field_id)");
SqlParameter[] parameters2 =
{
new SqlParameter("@channel_id", SqlDbType.Int, 4),
new SqlParameter("@field_id", SqlDbType.Int, 4)
};
parameters2[0].Value = model.id;
parameters2[1].Value = modelt.field_id;
DbHelperSQL.ExecuteSql(conn, trans, strSql2.ToString(), parameters2);
}
}
//添加视图
StringBuilder strSql3 = new StringBuilder();
strSql3.Append("CREATE VIEW view_channel_" + model.name + " as");
strSql3.Append(" SELECT " + databaseprefix + "article.*");
if (model.channel_fields != null)
{
foreach (Model.channel_field modelt in model.channel_fields)
{
Model.article_attribute_field fieldModel = new DAL.SqlServer.article_attribute_field(databaseprefix).GetModel(modelt.field_id);
if (fieldModel != null)
{
strSql3.Append("," + databaseprefix + "article_attribute_value." + fieldModel.name);
}
}
}
strSql3.Append(" FROM " + databaseprefix + "article_attribute_value INNER JOIN");
strSql3.Append(" " + databaseprefix + "article ON " + databaseprefix + "article_attribute_value.article_id = " + databaseprefix + "article.id");
strSql3.Append(" WHERE " + databaseprefix + "article.channel_id=" + model.id);
DbHelperSQL.ExecuteSql(conn, trans, strSql3.ToString());
//添加导航菜单
int newNavId = new DAL.SqlServer.navigation(databaseprefix).Add(conn, trans, parent_id, "channel_" + model.name, model.title, "", model.sort_id, model.id, "Show");
new DAL.SqlServer.navigation(databaseprefix).Add(conn, trans, newNavId, "channel_" + model.name + "_list", "内容管理", "article/article_list.aspx", 99, model.id, "Show,View,Add,Edit,Delete,Audit");
new DAL.SqlServer.navigation(databaseprefix).Add(conn, trans, newNavId, "channel_" + model.name + "_category", "栏目类别", "article/category_list.aspx", 100, model.id, "Show,View,Add,Edit,Delete");
new DAL.SqlServer.navigation(databaseprefix).Add(conn, trans, newNavId, "channel_" + model.name + "_comment", "评论管理", "article/comment_list.aspx", 101, model.id, "Show,View,Delete,Reply");
trans.Commit();
}
catch
{
trans.Rollback();
return(0);
}
}
}
return(model.id);
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(Model.channel model)
{
Model.channel oldModel = GetModel(model.id); //旧的数据
//取得站点对应的导航ID
int parent_id = new DAL.SqlServer.channel_site(databaseprefix).GetSiteNavId(model.site_id);
if (parent_id == 0)
{
return(false);
}
using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
try
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update " + databaseprefix + "channel set ");
strSql.Append("site_id=@site_id,");
strSql.Append("name=@name,");
strSql.Append("title=@title,");
strSql.Append("is_albums=@is_albums,");
strSql.Append("is_attach=@is_attach,");
strSql.Append("is_spec=@is_spec,");
strSql.Append("sort_id=@sort_id");
strSql.Append(" where id=@id ");
SqlParameter[] parameters =
{
new SqlParameter("@site_id", SqlDbType.Int, 4),
new SqlParameter("@name", SqlDbType.VarChar, 50),
new SqlParameter("@title", SqlDbType.VarChar, 100),
new SqlParameter("@is_albums", SqlDbType.TinyInt, 1),
new SqlParameter("@is_attach", SqlDbType.TinyInt, 1),
new SqlParameter("@is_spec", SqlDbType.TinyInt, 1),
new SqlParameter("@sort_id", SqlDbType.Int, 4),
new SqlParameter("@id", SqlDbType.Int, 4)
};
parameters[0].Value = model.site_id;
parameters[1].Value = model.name;
parameters[2].Value = model.title;
parameters[3].Value = model.is_albums;
parameters[4].Value = model.is_attach;
parameters[5].Value = model.is_spec;
parameters[6].Value = model.sort_id;
parameters[7].Value = model.id;
DbHelperSQL.ExecuteSql(conn, trans, strSql.ToString(), parameters);
//删除已移除的扩展字段
FieldDelete(conn, trans, model.channel_fields, model.id);
//添加扩展字段
if (model.channel_fields != null)
{
StringBuilder strSql2;
foreach (Model.channel_field modelt in model.channel_fields)
{
strSql2 = new StringBuilder();
Model.channel_field fieldModel = null;
if (oldModel.channel_fields != null)
{
fieldModel = oldModel.channel_fields.Find(p => p.field_id == modelt.field_id); //查找是否已经存在
}
if (fieldModel == null) //如果不存在则添加
{
strSql2.Append("insert into " + databaseprefix + "channel_field(");
strSql2.Append("channel_id,field_id)");
strSql2.Append(" values (");
strSql2.Append("@channel_id,@field_id)");
SqlParameter[] parameters2 =
{
new SqlParameter("@channel_id", SqlDbType.Int, 4),
new SqlParameter("@field_id", SqlDbType.Int, 4)
};
parameters2[0].Value = modelt.channel_id;
parameters2[1].Value = modelt.field_id;
DbHelperSQL.ExecuteSql(conn, trans, strSql2.ToString(), parameters2);
}
}
}
//删除旧视图重建新视图
RehabChannelViews(conn, trans, model, oldModel.name);
//修改对应的导航
new DAL.SqlServer.navigation(databaseprefix).Update(conn, trans, "channel_" + oldModel.name, parent_id, "channel_" + model.name, model.title, model.sort_id);
new DAL.SqlServer.navigation(databaseprefix).Update(conn, trans, "channel_" + oldModel.name + "_list", "channel_" + model.name + "_list"); //内容管理
new DAL.SqlServer.navigation(databaseprefix).Update(conn, trans, "channel_" + oldModel.name + "_category", "channel_" + model.name + "_category"); //栏目类别
new DAL.SqlServer.navigation(databaseprefix).Update(conn, trans, "channel_" + oldModel.name + "_comment", "channel_" + model.name + "_comment"); //评论管理
trans.Commit();
}
catch
{
trans.Rollback();
return(false);
}
}
}
return(true);
}