using ExportMap.cs;
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using ExportMap.Models;
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using Npgsql;
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using System;
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Linq;
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using System.Reflection;
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using System.Web;
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namespace ExportMap.db
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{
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public class PubDBHelper
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{
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private static List<string> imgList = new List<string>() { "jpg", "png", "img", "tif", "tiff" };
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private static string insertPublishSql = "insert into lf.sys_publish(name, url, path, type, status, dirid, depid, min, max, json, create_user, geom, bak) values (@name, @url, @path, @type, @status, @dirid, @depid, @min, @max, @json, @create_user, {0}, @bak) returning id";
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private static string insertMetaPubSql = "insert into lf.sys_meta_pub (metaid, pubid, create_user) select {0}, {1}, {2} from (select 1) temp where not exists (select 1 from lf.sys_meta_pub where metaid = {0} and pubid = {1})";
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// 模型-@cnName，model-@enName，自动发布模型-@name，http:// - @url，Tileset-@serve，1-@user，7-@pubid
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private static string insertLayerSql = "insert into lf.sys_layer (pid, cn_name, en_name, url, type, level, order_num, is_show, create_user, data_type, serve_type, pubid, elev) values (@pid, @cnName, @enName, @url, 2, (select coalesce(level, 0) + 1 from lf.sys_layer where id = @pid), (select coalesce(max(order_num), 0) + 1 from lf.sys_layer where pid = @pid), 0, @user, @data, @serve, @pubid, @elev)";
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private static string insertParentLayer = "insert into lf.sys_layer (pid, cn_name, en_name, type, level, order_num, is_show, create_user, data_type, is_project) values (@pid, (select name from lf.sys_dir where code = @code), @en_name, 1, (select coalesce(level, 0) + 1 from lf.sys_layer where id = @pid), (select coalesce(max(order_num), 0) + 1 from lf.sys_layer where pid = @pid), 0, @create_user, (select data_type from lf.sys_layer where id = @pid), 1) returning id";
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private static string updateMetaSql = "update lf.sys_meta set path = @path where id = @id";
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private static string selectLayerSql = "select id from lf.sys_layer where pid = @pid and en_name = @en_name";
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/// <summary>
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/// 是/否发布过
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/// </summary>
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public static bool IsPublish(int metaid)
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{
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string sql = "select count(*) from lf.sys_meta_pub a inner join lf.sys_publish b on a.pubid = b.id where a.metaid = " + metaid;
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object obj = Tools.DBHelper.GetScalar(sql);
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int count = obj == null ? 0 : Convert.ToInt32(obj);
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return count > 0;
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}
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/// <summary>
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/// 是/否发布过
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/// </summary>
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public static bool IsPublish(string dirid)
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{
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string sql = "select count(*) from lf.sys_meta_pub a inner join lf.sys_publish b on a.pubid = b.id where b.type = 'DOM' and b.dirid = @dirid";
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DbParameter dp = new NpgsqlParameter("@dirid", dirid);
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object obj = Tools.DBHelper.GetScalar(sql, dp);
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int count = obj == null ? 0 : Convert.ToInt32(obj);
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return count > 0;
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}
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/// <summary>
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/// 插入元数据-数据发布表记录
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/// </summary>
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public static int InsertMetaPub(int metaid, int pubid, int userId)
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{
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string sql = string.Format(insertMetaPubSql, metaid, pubid, userId);
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return Tools.DBHelper.ExecuteNonQuery(sql);
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}
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/// <summary>
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/// 插入数据发布表记录
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/// </summary>
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public static int InsertPublish(SysPublish sys)
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{
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List<DbParameter> list = Tools.GetParams<SysPublish>(insertPublishSql, sys);
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string sql = string.Format(insertPublishSql, sys.geom == null ? "null" : sys.geom);
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object obj = Tools.DBHelper.GetScalar(sql, list.ToArray());
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return obj == null ? 0 : Convert.ToInt32(obj);
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}
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/// <summary>
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/// 插入图层表记录
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/// </summary>
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public static int InsertLayer(SysPublish sys, SysMeta meta, double elev = 0)
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{
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int pid = SelectLayerPid(sys, meta);
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string cnName = meta.name.Split(new char[] { '.' })[0];
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string data = "mpt".Equals(meta.type) ? "自动发布地形场景" : (imgList.Contains(meta.type) ? "自动发布影像" : "自动发布模型");
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string serve = "mpt".Equals(meta.type) ? "Mpt" : (imgList.Contains(meta.type) ? "TMS" : "Tileset");
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// @pid, @cnName, @enName, @url, @user, @data, @serve, @pubid, @elev
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List<DbParameter> list = new List<DbParameter>();
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list.Add(new NpgsqlParameter("@pid", pid));
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list.Add(new NpgsqlParameter("@cnName", cnName));
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list.Add(new NpgsqlParameter("@enName", meta.name));
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list.Add(new NpgsqlParameter("@url", sys.url));
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list.Add(new NpgsqlParameter("@user", sys.create_user));
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list.Add(new NpgsqlParameter("@data", data));
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list.Add(new NpgsqlParameter("@serve", serve));
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list.Add(new NpgsqlParameter("@pubid", sys.id));
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list.Add(new NpgsqlParameter("@elev", elev));
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int rows = Tools.DBHelper.ExecuteNonQuery(insertLayerSql, list.ToArray());
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return rows;
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}
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/// <summary>
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/// 更新元数据文件路径
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/// </summary>
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public static int UpdateMetaPath(SysMeta meta)
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{
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List<DbParameter> list = new List<DbParameter>();
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list.Add(new NpgsqlParameter("@id", meta.id));
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list.Add(new NpgsqlParameter("@path", meta.path));
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int rows = Tools.DBHelper.ExecuteNonQuery(updateMetaSql, list.ToArray());
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return rows;
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}
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/// <summary>
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/// 查询图层父节点ID
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/// </summary>
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public static int SelectLayerPid(SysPublish sys, SysMeta meta)
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{
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string sql = GetSelectLayerPidSql(meta);
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int pid = Tools.DBHelper.GetIntScalar(sql);
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string dirid = string.IsNullOrWhiteSpace(sys.dirid) || sys.dirid.Length < 2 ? "00" : sys.dirid.Substring(0, 2);
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List<DbParameter> list = new List<DbParameter>();
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list.Add(new NpgsqlParameter("@pid", pid));
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list.Add(new NpgsqlParameter("@en_name", dirid));
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int layerId = Tools.DBHelper.GetIntScalar(selectLayerSql, list.ToArray());
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if (0 == layerId)
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{
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List<DbParameter> args = new List<DbParameter>();
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args.Add(new NpgsqlParameter("@pid", pid));
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args.Add(new NpgsqlParameter("@code", dirid));
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args.Add(new NpgsqlParameter("@en_name", dirid));
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args.Add(new NpgsqlParameter("@create_user", sys.create_user));
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layerId = Tools.DBHelper.GetIntScalar(insertParentLayer, args.ToArray());
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}
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return layerId;
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}
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/// <summary>
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/// 获取查询图层父节点ID的SQL
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/// </summary>
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public static string GetSelectLayerPidSql(SysMeta meta)
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{
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string noneSql = "select id from lf.sys_layer where cn_name = '其他' and pid = (select id from lf.sys_layer where cn_name = '工程数据' order by pid limit 1)";
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if (string.IsNullOrWhiteSpace(meta.dirname)) return noneSql;
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if (meta.dirname.IndexOf("\\勘察") > -1)
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return "select id from lf.sys_layer where cn_name = '三维地质模型' and pid = (select id from lf.sys_layer where cn_name = '勘察' order by pid limit 1)";
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if (meta.dirname.IndexOf("\\测绘") > -1)
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{
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if ("mpt".Equals(meta.type))
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return "select id from lf.sys_layer where cn_name = '三维地形模型' and pid = (select id from lf.sys_layer where cn_name = '测绘' order by pid limit 1)";
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if (imgList.Contains(meta.type))
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return "select id from lf.sys_layer where cn_name = '数字正射影像图' and pid = (select id from lf.sys_layer where cn_name = '测绘' order by pid limit 1)";
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else
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return "select id from lf.sys_layer where cn_name = '单体模型' and pid = (select id from lf.sys_layer where cn_name = '测绘' order by pid limit 1)";
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}
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if (meta.dirname.IndexOf("\\地灾") > -1)
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return "select id from lf.sys_layer where cn_name = '三维地质模型' and pid = (select id from lf.sys_layer where cn_name = '地灾' order by pid limit 1)";
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if (meta.dirname.IndexOf("\\洞库") > -1)
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return "select id from lf.sys_layer where cn_name = '洞库模型' and pid = (select id from lf.sys_layer where cn_name = '洞库' order by pid limit 1)";
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return noneSql;
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}
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/// <summary>
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/// 获取参数列表
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/// </summary>
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public static List<DbParameter> GetParams<T>(string sql, T t)
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{
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List<DbParameter> list = new List<DbParameter>();
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Type tType = typeof(T);
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BindingFlags flags = BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance;
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int start = sql.IndexOf("@");
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while (start != -1)
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{
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int end = sql.IndexOf(",", start);
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if (end == -1) end = sql.IndexOf(")", start);
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if (end == -1) end = sql.IndexOf(" ", start);
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if (end == -1) end = sql.Length;
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string name = sql.Substring(start + 1, end - start - 1);
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PropertyInfo pi = tType.GetProperty(name, flags);
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if (pi != null)
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{
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object value = pi.GetValue(t, null);
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DbParameter dp = new NpgsqlParameter("@" + name, value);
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list.Add(dp);
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}
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start = sql.IndexOf("@", end);
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}
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return list;
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}
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}
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}
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