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using CloudBuilder.Core.Authorization;
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using CloudBuilder.Core.DatabaseAccessor.Entity;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace CloudBuilder.Master.Entity
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{
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[TypeScript]
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[Table("article_filename")]
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public class ArticleFilenameEntity : ViewEntityBase
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{
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public ArticleFilenameEntity()
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{
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}
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[Column("created_datetime")]
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public DateTime CreatedDatetime { get; set; }
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[Column("created_by")]
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public string CreatedBy { get; set; }
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[Column("updated_datetime")]
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public DateTime UpdatedDatetime { get; set; }
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[Column("updated_by")]
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public string UpdatedBy { get; set; }
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[Key]
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[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
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[Column("file_id")]
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public long FileId { get; set; }
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[Column("article_name")]
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public string ArticleName { get; set; }
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[Column("file_name")]
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public string? FileName { get; set; }
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public const string CREATED_DATETIME = "CreatedDatetime";
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public const string CREATED_BY = "CreatedBy";
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public const string UPDATED_DATETIME = "UpdatedDatetime";
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public const string UPDATED_BY = "UpdatedBy";
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public const string FILE_ID = "FileId";
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public const string ARTICLE_NAME = "ArticleName";
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public const string FILE_NAME = "FileName";
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public const string DB_NAME_ARTICLE_FILENAME = "article_filename";
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public const string DB_NAME_FIELDS="created_datetime,created_by,updated_datetime,updated_by,file_id,article_name,file_name";
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public const string DB_CREATED_DATETIME = "created_datetime";
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public const string DB_CREATED_BY = "created_by";
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public const string DB_UPDATED_DATETIME = "updated_datetime";
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public const string DB_UPDATED_BY = "updated_by";
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public const string DB_FILE_ID = "file_id";
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public const string DB_ARTICLE_NAME = "article_name";
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public const string DB_FILE_NAME = "file_name";
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private string ProviderName { get; set; }
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public static ArticleFilenameEntity GetInstance(string providerName)
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{
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return new ArticleFilenameEntity() { ProviderName = providerName };
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}
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public virtual void CopyFrom(ArticleFilenameEntity source)
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{
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CopyFrom(source, true);
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}
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public virtual void CopyFrom(ArticleFilenameEntity source, bool includeSystemFields)
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{
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if (source == null)
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{
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throw new NullReferenceException("Source entity is null.");
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}
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this.CreatedDatetime = source.CreatedDatetime;
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this.CreatedBy = source.CreatedBy;
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this.UpdatedDatetime = source.UpdatedDatetime;
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this.UpdatedBy = source.UpdatedBy;
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this.FileId = source.FileId;
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this.ArticleName = source.ArticleName;
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this.FileName = source.FileName;
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if (includeSystemFields)
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{
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this.CreatedDatetime = source.CreatedDatetime;
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this.CreatedBy = source.CreatedBy;
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this.UpdatedDatetime = source.UpdatedDatetime;
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this.UpdatedBy = source.UpdatedBy;
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}
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}
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public override string GetSelectFrom()
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{
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if (ProviderName.Contains("MySql"))
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{
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return GetSelectFromByMySql();
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}
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else if (ProviderName.Contains("SqlServer"))
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{
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return GetSelectFromByBySqlServer();
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}
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else
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{
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throw new NotSupportedException($"不支持的数据库提供程序:{ProviderName}");
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}
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}
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public string GetSelectFromByMySql()
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{
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return $" select {DB_NAME_FIELDS} from { DB_NAME_ARTICLE_FILENAME} with(nolock) ";
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}
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public string GetSelectFromByBySqlServer()
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{
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return $" select {DB_NAME_FIELDS} from { DB_NAME_ARTICLE_FILENAME} ";
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}
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public override string GetSelectCountFrom(string sqlWhere)
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{
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if (ProviderName.Contains("MySql"))
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{
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return GetSelectCountFromByMySql(sqlWhere);
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}
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else if (ProviderName.Contains("SqlServer"))
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{
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return GetSelectCountFromBySqlServer(sqlWhere);
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}
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else
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{
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throw new NotSupportedException($"不支持的数据库提供程序:{ProviderName}");
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}
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}
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public string GetSelectCountFromByMySql(string sqlWhere)
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{
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return $" select count(*) from { DB_NAME_ARTICLE_FILENAME} where 1=1 {sqlWhere}";
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}
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public string GetSelectCountFromBySqlServer(string sqlWhere)
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{
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return $" select count(*) from { DB_NAME_ARTICLE_FILENAME} with(nolock) where 1=1 {sqlWhere}";
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}
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public override string GetSelectTopFrom(int limit, int start, string orderby, string orderbytag, string sqlWhere)
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{
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if (ProviderName.Contains("MySql"))
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{
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return GetSelectTopFromByMySql(limit, start, orderby, orderbytag, sqlWhere);
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}
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else if (ProviderName.Contains("SqlServer"))
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{
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return GetSelectTopFromBySqlServer(limit, start, orderby, orderbytag, sqlWhere);
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}
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else
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{
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throw new NotSupportedException($"不支持的数据库提供程序:{ProviderName}");
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}
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}
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public string GetSelectTopFromByMySql(int limit, int start,string orderby,string orderbytag, string sqlWhere)
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{
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if (string.IsNullOrEmpty(orderbytag) || orderbytag.Trim() != "desc") orderbytag = "asc";
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if (string.IsNullOrEmpty(orderby) || !DB_NAME_FIELDS.Contains(orderby)) orderby = DB_FILE_ID ;
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int offset = limit * (start - 1);
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return $" select {DB_NAME_FIELDS} from (select {DB_NAME_FIELDS} ,row_number() over(order by {orderby} {orderbytag}) as num from { DB_NAME_ARTICLE_FILENAME} where 1=1 {sqlWhere} ) a where num> {offset} LIMIT {limit} ";
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}
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public string GetSelectTopFromBySqlServer(int limit, int start,string orderby,string orderbytag, string sqlWhere)
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{
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if (string.IsNullOrEmpty(orderbytag) || orderbytag.Trim() != "desc") orderbytag = "asc";
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if (string.IsNullOrEmpty(orderby) || !DB_NAME_FIELDS.Contains(orderby)) orderby = DB_FILE_ID ;
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string top = limit > 0 ? $"top {limit}" : "";
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return $" select {top} {DB_NAME_FIELDS} from (select {DB_NAME_FIELDS} ,row_number() over(order by {orderby} {orderbytag}) as num from { DB_NAME_ARTICLE_FILENAME} with(nolock) where 1=1 {sqlWhere} ) a where num> {limit * (start - 1)}";
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}
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public ArticleFilenameEntity Clone()
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{
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ArticleFilenameEntity result = new ArticleFilenameEntity();
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result.CopyFrom(this);
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return result;
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}
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}
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}
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