518 lines
21 KiB
C#
518 lines
21 KiB
C#
// 大名科技（天津）有限公司版权所有 电话：18020030720 QQ：515096995
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//
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// 此源代码遵循位于源代码树根目录中的 LICENSE 文件的许可证
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using Newtonsoft.Json;
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using Newtonsoft.Json.Converters;
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using Npgsql;
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namespace Admin.NET.Core.Service;
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/// <summary>
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/// 系统数据库管理服务
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/// </summary>
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[ApiDescriptionSettings(Order = 250)]
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public class SysDatabaseService : IDynamicApiController, ITransient
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{
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private readonly ISqlSugarClient _db;
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private readonly IViewEngine _viewEngine;
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private readonly CodeGenOptions _codeGenOptions;
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public SysDatabaseService(ISqlSugarClient db,
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IViewEngine viewEngine,
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IOptions<CodeGenOptions> codeGenOptions)
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{
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_db = db;
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_viewEngine = viewEngine;
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_codeGenOptions = codeGenOptions.Value;
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}
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/// <summary>
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/// 获取库列表
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/// </summary>
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/// <returns></returns>
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[DisplayName("获取库列表")]
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public List<string> GetList()
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{
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return App.GetOptions<DbConnectionOptions>().ConnectionConfigs.Select(u => u.ConfigId.ToString()).ToList();
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}
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/// <summary>
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/// 获取字段列表
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/// </summary>
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/// <param name="tableName">表名</param>
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/// <param name="configId">ConfigId</param>
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/// <returns></returns>
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[AllowAnonymous]
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[DisplayName("获取字段列表")]
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public List<DbColumnOutput> GetColumnList(string tableName, string configId = SqlSugarConst.MainConfigId)
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{
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var db = _db.AsTenant().GetConnectionScope(configId);
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if (string.IsNullOrWhiteSpace(tableName))
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return new List<DbColumnOutput>();
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return db.DbMaintenance.GetColumnInfosByTableName(tableName, false).Adapt<List<DbColumnOutput>>();
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}
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/// <summary>
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/// 获取数据库数据类型列表
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/// </summary>
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/// <param name="configId"></param>
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/// <returns></returns>
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[DisplayName("获取数据库数据类型列表")]
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public List<string> GetDbTypeList(string configId = SqlSugarConst.MainConfigId)
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{
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var db = _db.AsTenant().GetConnectionScope(configId);
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return db.DbMaintenance.GetDbTypes().OrderBy(u => u).ToList();
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}
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/// <summary>
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/// 增加列
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/// </summary>
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/// <param name="input"></param>
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[ApiDescriptionSettings(Name = "AddColumn"), HttpPost]
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[DisplayName("增加列")]
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public void AddColumn(DbColumnInput input)
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{
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var column = new DbColumnInfo
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{
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ColumnDescription = input.ColumnDescription,
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DbColumnName = input.DbColumnName,
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IsIdentity = input.IsIdentity == 1,
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IsNullable = input.IsNullable == 1,
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IsPrimarykey = input.IsPrimarykey == 1,
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Length = input.Length,
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DecimalDigits = input.DecimalDigits,
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DataType = input.DataType
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};
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var db = _db.AsTenant().GetConnectionScope(input.ConfigId);
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db.DbMaintenance.AddColumn(input.TableName, column);
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db.DbMaintenance.AddColumnRemark(input.DbColumnName, input.TableName, input.ColumnDescription);
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if (column.IsPrimarykey)
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db.DbMaintenance.AddPrimaryKey(input.TableName, input.DbColumnName);
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}
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/// <summary>
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/// 删除列
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/// </summary>
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/// <param name="input"></param>
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[ApiDescriptionSettings(Name = "DeleteColumn"), HttpPost]
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[DisplayName("删除列")]
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public void DeleteColumn(DeleteDbColumnInput input)
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{
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var db = _db.AsTenant().GetConnectionScope(input.ConfigId);
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db.DbMaintenance.DropColumn(input.TableName, input.DbColumnName);
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}
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/// <summary>
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/// 编辑列
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/// </summary>
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/// <param name="input"></param>
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[ApiDescriptionSettings(Name = "UpdateColumn"), HttpPost]
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[DisplayName("编辑列")]
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public void UpdateColumn(UpdateDbColumnInput input)
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{
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var db = _db.AsTenant().GetConnectionScope(input.ConfigId);
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db.DbMaintenance.RenameColumn(input.TableName, input.OldColumnName, input.ColumnName);
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if (db.DbMaintenance.IsAnyColumnRemark(input.ColumnName, input.TableName))
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db.DbMaintenance.DeleteColumnRemark(input.ColumnName, input.TableName);
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db.DbMaintenance.AddColumnRemark(input.ColumnName, input.TableName, string.IsNullOrWhiteSpace(input.Description) ? input.ColumnName : input.Description);
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}
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/// <summary>
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/// 获取表列表
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/// </summary>
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/// <param name="configId">ConfigId</param>
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/// <returns></returns>
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[DisplayName("获取表列表")]
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public List<DbTableInfo> GetTableList(string configId = SqlSugarConst.MainConfigId)
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{
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var db = _db.AsTenant().GetConnectionScope(configId);
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return db.DbMaintenance.GetTableInfoList(false);
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}
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/// <summary>
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/// 增加表
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/// </summary>
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/// <param name="input"></param>
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[ApiDescriptionSettings(Name = "AddTable"), HttpPost]
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[DisplayName("增加表")]
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public void AddTable(DbTableInput input)
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{
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if (input.DbColumnInfoList == null || !input.DbColumnInfoList.Any())
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throw Oops.Oh(ErrorCodeEnum.db1000);
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if (input.DbColumnInfoList.GroupBy(u => u.DbColumnName).Any(u => u.Count() > 1))
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throw Oops.Oh(ErrorCodeEnum.db1002);
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var config = App.GetOptions<DbConnectionOptions>().ConnectionConfigs.FirstOrDefault(u => u.ConfigId.ToString() == input.ConfigId);
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var db = _db.AsTenant().GetConnectionScope(input.ConfigId);
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var typeBuilder = db.DynamicBuilder().CreateClass(input.TableName, new SugarTable() { TableName = input.TableName, TableDescription = input.Description });
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input.DbColumnInfoList.ForEach(u =>
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{
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var dbColumnName = config.DbSettings.EnableUnderLine ? UtilMethods.ToUnderLine(u.DbColumnName.Trim()) : u.DbColumnName.Trim();
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// 虚拟类都默认string类型，具体以列数据类型为准
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typeBuilder.CreateProperty(dbColumnName, typeof(string), new SugarColumn()
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{
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IsPrimaryKey = u.IsPrimarykey == 1,
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IsIdentity = u.IsIdentity == 1,
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ColumnDataType = u.DataType,
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Length = u.Length,
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IsNullable = u.IsNullable == 1,
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DecimalDigits = u.DecimalDigits,
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ColumnDescription = u.ColumnDescription,
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});
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});
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db.CodeFirst.InitTables(typeBuilder.BuilderType());
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}
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/// <summary>
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/// 删除表
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/// </summary>
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/// <param name="input"></param>
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[ApiDescriptionSettings(Name = "DeleteTable"), HttpPost]
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[DisplayName("删除表")]
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public void DeleteTable(DeleteDbTableInput input)
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{
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var db = _db.AsTenant().GetConnectionScope(input.ConfigId);
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db.DbMaintenance.DropTable(input.TableName);
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}
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/// <summary>
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/// 编辑表
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/// </summary>
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/// <param name="input"></param>
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[ApiDescriptionSettings(Name = "UpdateTable"), HttpPost]
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[DisplayName("编辑表")]
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public void UpdateTable(UpdateDbTableInput input)
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{
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var db = _db.AsTenant().GetConnectionScope(input.ConfigId);
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db.DbMaintenance.RenameTable(input.OldTableName, input.TableName);
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try
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{
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if (db.DbMaintenance.IsAnyTableRemark(input.TableName))
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db.DbMaintenance.DeleteTableRemark(input.TableName);
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else
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db.DbMaintenance.AddTableRemark(input.TableName, input.Description);
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}
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catch (NotSupportedException)
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{
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//Ignore 不支持该方法则不处理
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}
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}
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/// <summary>
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/// 创建实体
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/// </summary>
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/// <param name="input"></param>
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[ApiDescriptionSettings(Name = "CreateEntity"), HttpPost]
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[DisplayName("创建实体")]
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public void CreateEntity(CreateEntityInput input)
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{
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var config = App.GetOptions<DbConnectionOptions>().ConnectionConfigs.FirstOrDefault(u => u.ConfigId.ToString() == input.ConfigId);
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input.Position = string.IsNullOrWhiteSpace(input.Position) ? "Admin.NET.Application" : input.Position;
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input.EntityName = string.IsNullOrWhiteSpace(input.EntityName) ? (config.DbSettings.EnableUnderLine ? CodeGenUtil.CamelColumnName(input.TableName, null) : input.TableName) : input.EntityName;
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string[] dbColumnNames = Array.Empty<string>();
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// Entity.cs.vm中是允许创建没有基类的实体的，所以这里也要做出相同的判断
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if (!string.IsNullOrWhiteSpace(input.BaseClassName))
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{
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_codeGenOptions.EntityBaseColumn.TryGetValue(input.BaseClassName, out dbColumnNames);
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if (dbColumnNames is null || dbColumnNames is { Length: 0 })
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throw Oops.Oh("基类配置文件不存在此类型");
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}
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var templatePath = GetEntityTemplatePath();
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var targetPath = GetEntityTargetPath(input);
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var db = _db.AsTenant().GetConnectionScope(input.ConfigId);
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DbTableInfo dbTableInfo = db.DbMaintenance.GetTableInfoList(false).FirstOrDefault(u => u.Name == input.TableName || u.Name == input.TableName.ToLower()) ?? throw Oops.Oh(ErrorCodeEnum.db1001);
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List<DbColumnInfo> dbColumnInfos = db.DbMaintenance.GetColumnInfosByTableName(input.TableName, false);
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dbColumnInfos.ForEach(u =>
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{
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u.PropertyName = config.DbSettings.EnableUnderLine ? CodeGenUtil.CamelColumnName(u.DbColumnName, dbColumnNames) : u.DbColumnName; // 转下划线后的列名需要再转回来
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u.DataType = CodeGenUtil.ConvertDataType(u, config.DbType);
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});
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if (_codeGenOptions.BaseEntityNames.Contains(input.BaseClassName, StringComparer.OrdinalIgnoreCase))
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dbColumnInfos = dbColumnInfos.Where(u => !dbColumnNames.Contains(u.PropertyName, StringComparer.OrdinalIgnoreCase)).ToList();
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var tContent = File.ReadAllText(templatePath);
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var tResult = _viewEngine.RunCompileFromCached(tContent, new
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{
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NameSpace = $"{input.Position}.Entity",
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input.TableName,
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input.EntityName,
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BaseClassName = string.IsNullOrWhiteSpace(input.BaseClassName) ? "" : $" : {input.BaseClassName}",
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input.ConfigId,
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dbTableInfo.Description,
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TableField = dbColumnInfos
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});
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File.WriteAllText(targetPath, tResult, Encoding.UTF8);
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}
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/// <summary>
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/// 创建种子数据
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/// </summary>
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/// <param name="input"></param>
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[ApiDescriptionSettings(Name = "CreateSeedData"), HttpPost]
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[DisplayName("创建种子数据")]
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public async void CreateSeedData(CreateSeedDataInput input)
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{
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var config = App.GetOptions<DbConnectionOptions>().ConnectionConfigs.FirstOrDefault(u => u.ConfigId.ToString() == input.ConfigId);
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input.Position = string.IsNullOrWhiteSpace(input.Position) ? "Admin.NET.Core" : input.Position;
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var templatePath = GetSeedDataTemplatePath();
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var db = _db.AsTenant().GetConnectionScope(input.ConfigId);
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var tableInfo = db.DbMaintenance.GetTableInfoList(false).First(u => u.Name == input.TableName); // 表名
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List<DbColumnInfo> dbColumnInfos = db.DbMaintenance.GetColumnInfosByTableName(input.TableName, false); // 所有字段
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IEnumerable<EntityInfo> entityInfos = await GetEntityInfos();
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Type entityType = null;
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foreach (var item in entityInfos)
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{
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if (tableInfo.Name.ToLower() != (config.DbSettings.EnableUnderLine ? UtilMethods.ToUnderLine(item.DbTableName) : item.DbTableName).ToLower()) continue;
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entityType = item.Type;
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break;
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}
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input.EntityName = entityType.Name;
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input.SeedDataName = entityType.Name + "SeedData";
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if (!string.IsNullOrWhiteSpace(input.Suffix))
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input.SeedDataName += input.Suffix;
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var targetPath = GetSeedDataTargetPath(input);
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// 查询所有数据
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var query = db.QueryableByObject(entityType);
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DbColumnInfo orderField = null; // 排序字段
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// 优先用创建时间排序
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orderField = dbColumnInfos.Where(u => u.DbColumnName.ToLower() == "create_time" || u.DbColumnName.ToLower() == "createtime").FirstOrDefault();
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if (orderField != null)
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query.OrderBy(orderField.DbColumnName);
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// 其次用Id排序
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orderField = dbColumnInfos.Where(u => u.DbColumnName.ToLower() == "id").FirstOrDefault();
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if (orderField != null)
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query.OrderBy(orderField.DbColumnName);
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object records = query.ToList();
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var timeConverter = new IsoDateTimeConverter { DateTimeFormat = "yyyy-MM-dd HH:mm:ss" };
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var recordsJSON = JsonConvert.SerializeObject(records, Formatting.Indented, timeConverter);
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// 检查有没有 System.Text.Json.Serialization.JsonIgnore 的属性
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var jsonIgnoreProperties = entityType.GetProperties().Where(p => (p.GetAttribute<System.Text.Json.Serialization.JsonIgnoreAttribute>() != null ||
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p.GetAttribute<JsonIgnoreAttribute>() != null) && p.GetAttribute<SugarColumn>() != null).ToList();
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var jsonIgnoreInfo = new List<List<JsonIgnoredPropertyData>>();
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if (jsonIgnoreProperties.Count > 0)
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{
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int recordIndex = 0;
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foreach (var r in (IEnumerable)records)
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{
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List<JsonIgnoredPropertyData> record = new();
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foreach (var item in jsonIgnoreProperties)
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{
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object v = item.GetValue(r);
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string strValue = "null";
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if (v != null)
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{
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strValue = v.ToString();
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if (v.GetType() == typeof(string))
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strValue = "\"" + strValue + "\"";
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else if (v.GetType() == typeof(DateTime))
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strValue = "DateTime.Parse(\"" + ((DateTime)v).ToString("yyyy-MM-dd HH:mm:ss") + "\")";
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}
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record.Add(new JsonIgnoredPropertyData { RecordIndex = recordIndex, Name = item.Name, Value = strValue });
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}
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recordIndex++;
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jsonIgnoreInfo.Add(record);
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}
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}
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var tContent = File.ReadAllText(templatePath);
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var data = new
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{
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NameSpace = $"{input.Position}.SeedData",
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EntityNameSpace = entityType.Namespace,
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input.TableName,
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input.EntityName,
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input.SeedDataName,
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input.ConfigId,
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tableInfo.Description,
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JsonIgnoreInfo = jsonIgnoreInfo,
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RecordsJSON = recordsJSON
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};
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var tResult = _viewEngine.RunCompile(tContent, data, builderAction: builder =>
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{
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builder.AddAssemblyReferenceByName("System.Linq");
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builder.AddAssemblyReferenceByName("System.Collections");
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builder.AddUsing("System.Collections.Generic");
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builder.AddUsing("System.Linq");
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});
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File.WriteAllText(targetPath, tResult, Encoding.UTF8);
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}
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/// <summary>
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/// 获取库表信息
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/// </summary>
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/// <returns></returns>
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private async Task<IEnumerable<EntityInfo>> GetEntityInfos()
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{
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var entityInfos = new List<EntityInfo>();
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var type = typeof(SugarTable);
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var types = new List<Type>();
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if (_codeGenOptions.EntityAssemblyNames != null)
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{
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foreach (var assemblyName in _codeGenOptions.EntityAssemblyNames)
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{
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Assembly asm = Assembly.Load(assemblyName);
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types.AddRange(asm.GetExportedTypes().ToList());
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}
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}
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bool IsMyAttribute(Attribute[] o)
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{
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foreach (Attribute a in o)
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{
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if (a.GetType() == type)
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return true;
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}
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return false;
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}
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Type[] cosType = types.Where(o =>
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{
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return IsMyAttribute(Attribute.GetCustomAttributes(o, true));
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}
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).ToArray();
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foreach (var c in cosType)
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{
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var sugarAttribute = c.GetCustomAttributes(type, true)?.FirstOrDefault();
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var des = c.GetCustomAttributes(typeof(DescriptionAttribute), true);
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var description = "";
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if (des.Length > 0)
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{
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description = ((DescriptionAttribute)des[0]).Description;
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}
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entityInfos.Add(new EntityInfo()
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{
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EntityName = c.Name,
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DbTableName = sugarAttribute == null ? c.Name : ((SugarTable)sugarAttribute).TableName,
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TableDescription = description,
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Type = c
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});
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}
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return await Task.FromResult(entityInfos);
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}
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/// <summary>
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/// 获取实体模板文件路径
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/// </summary>
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/// <returns></returns>
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private static string GetEntityTemplatePath()
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{
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var templatePath = Path.Combine(App.WebHostEnvironment.WebRootPath, "Template");
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return Path.Combine(templatePath, "Entity.cs.vm");
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}
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/// <summary>
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/// 获取种子数据模板文件路径
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/// </summary>
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/// <returns></returns>
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private static string GetSeedDataTemplatePath()
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{
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var templatePath = Path.Combine(App.WebHostEnvironment.WebRootPath, "Template");
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return Path.Combine(templatePath, "SeedData.cs.vm");
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}
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/// <summary>
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/// 设置生成实体文件路径
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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private static string GetEntityTargetPath(CreateEntityInput input)
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{
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var backendPath = Path.Combine(new DirectoryInfo(App.WebHostEnvironment.ContentRootPath).Parent.FullName, input.Position, "Entity");
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if (!Directory.Exists(backendPath))
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Directory.CreateDirectory(backendPath);
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return Path.Combine(backendPath, input.EntityName + ".cs");
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}
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/// <summary>
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/// 设置生成种子数据文件路径
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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private static string GetSeedDataTargetPath(CreateSeedDataInput input)
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{
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var backendPath = Path.Combine(new DirectoryInfo(App.WebHostEnvironment.ContentRootPath).Parent.FullName, input.Position, "SeedData");
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if (!Directory.Exists(backendPath))
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Directory.CreateDirectory(backendPath);
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return Path.Combine(backendPath, input.SeedDataName + ".cs");
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}
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/// <summary>
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/// 备份数据库（PostgreSQL）🔖
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/// </summary>
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/// <returns></returns>
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[HttpPost, NonUnify]
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public async Task<IActionResult> BackupDatabase()
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{
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if (_db.CurrentConnectionConfig.DbType != SqlSugar.DbType.PostgreSQL)
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throw Oops.Oh("只支持 PostgreSQL 数据库 😁");
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var npgsqlConn = new NpgsqlConnectionStringBuilder(_db.CurrentConnectionConfig.ConnectionString);
|
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if (npgsqlConn == null || string.IsNullOrWhiteSpace(npgsqlConn.Host) || string.IsNullOrWhiteSpace(npgsqlConn.Username) || string.IsNullOrWhiteSpace(npgsqlConn.Password) || string.IsNullOrWhiteSpace(npgsqlConn.Database))
|
||
throw Oops.Oh("PostgreSQL 数据库配置错误");
|
||
|
||
// 确保备份目录存在
|
||
var backupDirectory = Path.Combine(Directory.GetCurrentDirectory(), "backups");
|
||
Directory.CreateDirectory(backupDirectory);
|
||
|
||
// 构建备份文件名
|
||
string backupFileName = $"backup_{DateTime.Now:yyyyMMddHHmmss}.sql";
|
||
string backupFilePath = Path.Combine(backupDirectory, backupFileName);
|
||
|
||
// 启动pg_dump进程进行备份
|
||
// 设置密码：export PGPASSWORD='xxxxxx'
|
||
var bash = $"-U {npgsqlConn.Username} -h {npgsqlConn.Host} -p {npgsqlConn.Port} -E UTF8 -F c -b -v -f {backupFilePath} {npgsqlConn.Database}";
|
||
var startInfo = new ProcessStartInfo
|
||
{
|
||
FileName = "pg_dump",
|
||
Arguments = bash,
|
||
UseShellExecute = false,
|
||
RedirectStandardOutput = true,
|
||
RedirectStandardError = true,
|
||
CreateNoWindow = true,
|
||
EnvironmentVariables =
|
||
{
|
||
["PGPASSWORD"] = npgsqlConn.Password
|
||
}
|
||
};
|
||
|
||
//_logger.LogInformation("备份数据库：pg_dump " + bash);
|
||
|
||
//try
|
||
//{
|
||
using (var backupProcess = Process.Start(startInfo))
|
||
{
|
||
await backupProcess.WaitForExitAsync();
|
||
|
||
//var output = await backupProcess.StandardOutput.ReadToEndAsync();
|
||
//var error = await backupProcess.StandardError.ReadToEndAsync();
|
||
|
||
// 检查备份是否成功
|
||
if (backupProcess.ExitCode != 0)
|
||
{
|
||
throw Oops.Oh($"备份失败：ExitCode({backupProcess.ExitCode})");
|
||
}
|
||
}
|
||
|
||
// _logger.LogInformation($"备份成功：{backupFilePath}");
|
||
//}
|
||
//catch (Exception ex)
|
||
//{
|
||
// _logger.LogError(ex, $"备份失败：");
|
||
// throw;
|
||
//}
|
||
|
||
// 若备份成功则提供下载链接
|
||
return new FileStreamResult(new FileStream(backupFilePath, FileMode.Open), "application/octet-stream")
|
||
{
|
||
FileDownloadName = backupFileName
|
||
};
|
||
}
|
||
} |