664 lines
32 KiB
C#
664 lines
32 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data.Common;
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using System.IO;
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using System.Reflection;
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namespace MsgLibReadSidecar
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{
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internal static class Program
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{
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private const string Version = "0.3.0";
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private const string DefaultPassword = "123";
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private static readonly HashSet<string> DefaultTargetTables = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
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{
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"TD_Roster", "TD_CustomEffigy", "tblRecent", "tblChatLevel", "tblPersonMsg", "tblMsgGroupPersonMsg",
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"TD_WorkGroupAuth", "TD_ReceiveFileRecord", "TD_SendFileRecord", "TD_SystemMessageRecord", "TD_MsgReadBurn"
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};
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[STAThread]
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private static int Main(string[] args)
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{
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string requestText = Console.In.ReadToEnd();
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Dictionary<string, object> request;
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string requestId = "";
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string op = "";
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if (!SidecarProtocol.TryParseRequest(requestText, out request, out requestId, out op))
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{
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Console.WriteLine(SidecarProtocol.ToJson(SidecarProtocol.Failure(requestId, op, "INVALID_REQUEST", "request must be a valid isphere.msglib.v1 JSON object")));
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return 0;
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}
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try
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{
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Dictionary<string, object> opArgs = SidecarProtocol.GetObject(request, "args");
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Dictionary<string, object> response;
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switch (op)
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{
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case "self_check":
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response = SidecarProtocol.Success(requestId, op, SelfCheckData());
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break;
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case "schema_summary":
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response = SidecarProtocol.Success(requestId, op, SchemaSummary(opArgs, false));
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break;
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case "display_sources":
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response = SidecarProtocol.Success(requestId, op, SchemaSummary(opArgs, true));
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break;
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case "message_sources":
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response = SidecarProtocol.Success(requestId, op, MessageSources(opArgs));
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break;
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case "display_entities":
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response = SidecarProtocol.Success(requestId, op, DisplayEntities(opArgs));
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break;
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default:
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response = SidecarProtocol.Failure(requestId, op, "UNSUPPORTED_OP", "unsupported op: " + op);
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break;
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}
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Console.WriteLine(SidecarProtocol.ToJson(response));
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return 0;
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}
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catch (Exception ex)
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{
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Console.Error.WriteLine(ex.ToString());
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Console.WriteLine(SidecarProtocol.ToJson(SidecarProtocol.Failure(requestId, op, "SIDECAR_FAILED", ex.Message)));
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return 0;
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}
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}
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private static Dictionary<string, object> SelfCheckData()
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{
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return new Dictionary<string, object>
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{
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{ "sidecar_name", "MsgLibReadSidecar" },
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{ "sidecar_version", Version },
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{ "protocol", SidecarProtocol.Protocol },
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{ "runtime", ".NET Framework " + Environment.Version },
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{ "process_bits", IntPtr.Size * 8 },
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{ "requires_process_bits", 32 },
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{ "read_only", true },
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{ "mutates_db", false },
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{ "db_mutation_allowed", false },
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{ "message_body_reads_allowed", false }
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};
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}
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private static Dictionary<string, object> SchemaSummary(Dictionary<string, object> args, bool displayOnly)
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{
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string sqliteDllPath = SidecarProtocol.GetString(args, "sqlite_dll_path", "");
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string dbPath = SidecarProtocol.GetString(args, "db_path", "");
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string password = SidecarProtocol.GetString(args, "password", DefaultPassword);
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bool includeCounts = SidecarProtocol.GetBool(args, "include_counts", true);
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int maxTables = Clamp(SidecarProtocol.GetInt(args, "max_tables", 128), 1, 256);
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List<string> requestedTargets = SidecarProtocol.GetStringList(args, "target_tables");
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HashSet<string> targetTables = requestedTargets.Count == 0 ? DefaultTargetTables : new HashSet<string>(requestedTargets, StringComparer.OrdinalIgnoreCase);
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ValidateInputs(sqliteDllPath, dbPath);
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var result = new Dictionary<string, object>
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{
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{ "metadata_only", true },
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{ "read_only", true },
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{ "message_body_values_returned", false },
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{ "sqlite_dll_path", sqliteDllPath },
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{ "db_path", dbPath },
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{ "provider", "System.Data.SQLite" },
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{ "process_bits", IntPtr.Size * 8 }
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};
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using (DbConnection connection = OpenSqliteConnection(sqliteDllPath, dbPath, password))
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{
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connection.Open();
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TryExecuteNonQuery(connection, "PRAGMA query_only=ON");
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result["sqlite_version"] = ExecuteScalar(connection, "select sqlite_version()");
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List<Dictionary<string, object>> tables = ReadMasterTables(connection, maxTables);
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List<Dictionary<string, object>> columns = ReadColumns(connection, tables, displayOnly ? targetTables : null);
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result["tables"] = tables;
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result["columns"] = columns;
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result["target_row_counts"] = includeCounts ? ReadTargetCounts(connection, tables, targetTables) : new List<Dictionary<string, object>>();
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if (displayOnly)
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{
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result["display_sources"] = BuildDisplaySources(tables, columns);
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}
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}
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return result;
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}
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private static Dictionary<string, object> MessageSources(Dictionary<string, object> args)
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{
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string sqliteDllPath = SidecarProtocol.GetString(args, "sqlite_dll_path", "");
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string dbPath = SidecarProtocol.GetString(args, "db_path", "");
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string password = SidecarProtocol.GetString(args, "password", DefaultPassword);
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ValidateInputs(sqliteDllPath, dbPath);
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var result = new Dictionary<string, object>
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{
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{ "metadata_only", true },
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{ "read_only", true },
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{ "message_body_values_returned", false },
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{ "raw_rows_returned", false },
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{ "file_paths_returned", false },
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{ "provider", "System.Data.SQLite" },
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{ "process_bits", IntPtr.Size * 8 }
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};
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using (DbConnection connection = OpenSqliteConnection(sqliteDllPath, dbPath, password))
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{
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connection.Open();
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TryExecuteNonQuery(connection, "PRAGMA query_only=ON");
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List<Dictionary<string, object>> tables = ReadMasterTables(connection, 256);
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HashSet<string> messageTables = BuildMessageSourceTableSet();
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List<Dictionary<string, object>> columns = ReadColumns(connection, tables, messageTables);
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Dictionary<string, HashSet<string>> columnMap = BuildColumnMap(columns);
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Dictionary<string, string> rowCounts = ReadTargetCountMap(connection, tables, messageTables);
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result["message_sources"] = BuildMessageSources(tables, columnMap, rowCounts);
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}
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return result;
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}
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private static Dictionary<string, object> DisplayEntities(Dictionary<string, object> args)
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{
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string sqliteDllPath = SidecarProtocol.GetString(args, "sqlite_dll_path", "");
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string dbPath = SidecarProtocol.GetString(args, "db_path", "");
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string password = SidecarProtocol.GetString(args, "password", DefaultPassword);
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string entityType = SidecarProtocol.GetString(args, "entity_type", "").Trim().ToLowerInvariant();
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string query = SidecarProtocol.GetString(args, "query", "").Trim();
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int limit = Clamp(SidecarProtocol.GetInt(args, "limit", 25), 1, 100);
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if (!string.Equals(entityType, "contacts", StringComparison.OrdinalIgnoreCase) &&
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!string.Equals(entityType, "groups", StringComparison.OrdinalIgnoreCase))
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{
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throw new ArgumentException("entity_type must be contacts or groups");
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}
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ValidateInputs(sqliteDllPath, dbPath);
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var result = new Dictionary<string, object>
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{
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{ "metadata_only", true },
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{ "read_only", true },
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{ "message_body_values_returned", false },
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{ "raw_rows_returned", false },
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{ "entity_type", entityType },
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{ "limit", limit },
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{ "provider", "System.Data.SQLite" },
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{ "process_bits", IntPtr.Size * 8 }
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};
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using (DbConnection connection = OpenSqliteConnection(sqliteDllPath, dbPath, password))
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{
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connection.Open();
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TryExecuteNonQuery(connection, "PRAGMA query_only=ON");
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List<Dictionary<string, object>> tables = ReadMasterTables(connection, 256);
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HashSet<string> entityTables = BuildDisplayEntityTableSet(entityType);
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List<Dictionary<string, object>> columns = ReadColumns(connection, tables, entityTables);
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Dictionary<string, HashSet<string>> columnMap = BuildColumnMap(columns);
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List<Dictionary<string, object>> entities = ReadDisplayEntities(connection, entityType, query, limit, columnMap);
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result["entities"] = entities;
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result["result_count"] = entities.Count;
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}
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return result;
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}
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private static void ValidateInputs(string sqliteDllPath, string dbPath)
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{
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if (string.IsNullOrWhiteSpace(sqliteDllPath) || !File.Exists(sqliteDllPath))
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{
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throw new ArgumentException("sqlite_dll_path must point to an existing System.Data.SQLite.dll");
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}
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if (string.IsNullOrWhiteSpace(dbPath) || !File.Exists(dbPath))
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{
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throw new ArgumentException("db_path must point to an existing copied MsgLib.db");
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}
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if (!string.Equals(Path.GetFileName(dbPath), "MsgLib.db", StringComparison.OrdinalIgnoreCase))
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{
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throw new ArgumentException("db_path must point to a copied MsgLib.db file");
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}
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}
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private static DbConnection OpenSqliteConnection(string sqliteDllPath, string dbPath, string password)
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{
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Assembly assembly = Assembly.LoadFrom(sqliteDllPath);
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Type builderType = assembly.GetType("System.Data.SQLite.SQLiteConnectionStringBuilder", true);
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object builder = Activator.CreateInstance(builderType);
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SetPropertyIfExists(builderType, builder, "DataSource", dbPath);
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SetPropertyIfExists(builderType, builder, "Password", password);
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SetPropertyIfExists(builderType, builder, "ReadOnly", true);
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SetPropertyIfExists(builderType, builder, "Pooling", false);
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SetPropertyIfExists(builderType, builder, "FailIfMissing", true);
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string connectionString = Convert.ToString(builderType.GetProperty("ConnectionString").GetValue(builder, null));
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Type connectionType = assembly.GetType("System.Data.SQLite.SQLiteConnection", true);
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object connection = Activator.CreateInstance(connectionType, new object[] { connectionString });
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DbConnection dbConnection = connection as DbConnection;
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if (dbConnection == null)
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{
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throw new InvalidOperationException("SQLiteConnection is not a DbConnection");
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}
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return dbConnection;
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}
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private static void SetPropertyIfExists(Type type, object target, string name, object value)
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{
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PropertyInfo property = type.GetProperty(name);
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if (property != null && property.CanWrite)
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{
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property.SetValue(target, value, null);
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}
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}
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private static List<Dictionary<string, object>> ReadMasterTables(DbConnection connection, int maxTables)
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{
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var rows = new List<Dictionary<string, object>>();
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using (DbCommand command = connection.CreateCommand())
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{
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command.CommandText = "select type, name, tbl_name from sqlite_master where type in ('table','view') order by type, name";
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using (DbDataReader reader = command.ExecuteReader())
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{
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while (reader.Read() && rows.Count < maxTables)
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{
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rows.Add(new Dictionary<string, object>
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{
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{ "type", Convert.ToString(reader["type"]) },
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{ "name", Convert.ToString(reader["name"]) },
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{ "tbl_name", Convert.ToString(reader["tbl_name"]) }
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});
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}
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}
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}
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return rows;
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}
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private static List<Dictionary<string, object>> ReadColumns(DbConnection connection, List<Dictionary<string, object>> tables, HashSet<string> onlyTables)
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{
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var rows = new List<Dictionary<string, object>>();
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foreach (Dictionary<string, object> table in tables)
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{
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string tableName = Convert.ToString(table["name"]);
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string tableType = Convert.ToString(table["type"]);
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if (!string.Equals(tableType, "table", StringComparison.OrdinalIgnoreCase)) continue;
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if (onlyTables != null && !onlyTables.Contains(tableName)) continue;
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using (DbCommand command = connection.CreateCommand())
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{
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command.CommandText = "PRAGMA table_info(" + QuoteIdent(tableName) + ")";
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using (DbDataReader reader = command.ExecuteReader())
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{
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while (reader.Read())
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{
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rows.Add(new Dictionary<string, object>
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{
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{ "table", tableName },
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{ "cid", Convert.ToString(reader["cid"]) },
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{ "name", Convert.ToString(reader["name"]) },
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{ "type", Convert.ToString(reader["type"]) },
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{ "notnull", Convert.ToString(reader["notnull"]) },
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{ "pk", Convert.ToString(reader["pk"]) }
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});
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}
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}
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}
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}
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return rows;
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}
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private static List<Dictionary<string, object>> ReadTargetCounts(DbConnection connection, List<Dictionary<string, object>> tables, HashSet<string> targetTables)
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{
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var rows = new List<Dictionary<string, object>>();
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foreach (Dictionary<string, object> table in tables)
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{
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string tableName = Convert.ToString(table["name"]);
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string tableType = Convert.ToString(table["type"]);
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if (!string.Equals(tableType, "table", StringComparison.OrdinalIgnoreCase)) continue;
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if (!targetTables.Contains(tableName)) continue;
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rows.Add(new Dictionary<string, object>
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{
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{ "table", tableName },
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{ "row_count", ExecuteScalar(connection, "select count(*) from " + QuoteIdent(tableName)) }
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});
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}
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return rows;
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}
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private static Dictionary<string, string> ReadTargetCountMap(DbConnection connection, List<Dictionary<string, object>> tables, HashSet<string> targetTables)
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{
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var rowCounts = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
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foreach (Dictionary<string, object> item in ReadTargetCounts(connection, tables, targetTables))
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{
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rowCounts[Convert.ToString(item["table"])] = Convert.ToString(item["row_count"]);
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}
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return rowCounts;
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}
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private static List<Dictionary<string, object>> BuildDisplaySources(List<Dictionary<string, object>> tables, List<Dictionary<string, object>> columns)
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{
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var tableSet = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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foreach (Dictionary<string, object> table in tables)
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{
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if (string.Equals(Convert.ToString(table["type"]), "table", StringComparison.OrdinalIgnoreCase))
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{
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tableSet.Add(Convert.ToString(table["name"]));
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}
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}
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var columnMap = new Dictionary<string, HashSet<string>>(StringComparer.OrdinalIgnoreCase);
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foreach (Dictionary<string, object> column in columns)
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{
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string table = Convert.ToString(column["table"]);
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string name = Convert.ToString(column["name"]);
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if (!columnMap.ContainsKey(table)) columnMap[table] = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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columnMap[table].Add(name);
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}
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var sources = new List<Dictionary<string, object>>();
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AddSource(sources, tableSet, columnMap, "contacts_roster", "TD_Roster", new string[] { "JId", "Nick", "GroupName" });
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AddSource(sources, tableSet, columnMap, "contacts_effigy", "TD_CustomEffigy", new string[] { "PersonJid", "PersonName" });
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AddSource(sources, tableSet, columnMap, "recent_display", "tblRecent", new string[] { "PersonId", "PersonName", "FType" });
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AddSource(sources, tableSet, columnMap, "person_message_names", "tblPersonMsg", new string[] { "SndPerson", "SndPersonId", "RecvPerson", "RecvPersonId", "ObjPerson", "ObjPersonId" });
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AddSource(sources, tableSet, columnMap, "group_message_names", "tblMsgGroupPersonMsg", new string[] { "MsgGroupId", "MsgGroupName", "SessionPersonId", "SessionPersonName", "GroupType" });
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AddSource(sources, tableSet, columnMap, "work_group_auth", "TD_WorkGroupAuth", new string[] { "GroupJID", "GroupName", "ChildGroupJid" });
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AddSource(sources, tableSet, columnMap, "received_file_metadata", "TD_ReceiveFileRecord", new string[] { "FileName", "SendPersonJid", "SendPersonName" });
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AddSource(sources, tableSet, columnMap, "sent_file_metadata", "TD_SendFileRecord", new string[] { "FileName", "ReceivePersonJid", "ReceivePersonName" });
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return sources;
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}
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private sealed class MessageSourceSpec
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{
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public string Source;
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public string Table;
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public string Role;
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public string[] RequiredColumns;
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}
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private static HashSet<string> BuildMessageSourceTableSet()
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{
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var tables = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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foreach (MessageSourceSpec spec in BuildMessageSourceSpecs())
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{
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tables.Add(spec.Table);
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}
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return tables;
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}
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private static List<MessageSourceSpec> BuildMessageSourceSpecs()
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{
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return new List<MessageSourceSpec>
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{
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new MessageSourceSpec
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{
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Source = "direct_messages",
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Table = "tblPersonMsg",
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Role = "direct",
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RequiredColumns = new string[] { "Id", "SndPersonId", "RecvPersonId", "ObjPersonId", "ActionTime", "MsgText", "MessageBody" }
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},
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new MessageSourceSpec
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{
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Source = "group_messages",
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Table = "tblMsgGroupPersonMsg",
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Role = "group",
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RequiredColumns = new string[] { "Id", "SndPersonId", "MsgGroupId", "MsgGroupName", "MsgTime", "MsgText", "MessageBody" }
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},
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new MessageSourceSpec
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{
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Source = "system_messages",
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Table = "TD_SystemMessageRecord",
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Role = "system",
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RequiredColumns = new string[] { "MsgGuid", "MsgType", "MsgTitle", "MsgText", "SendPersonJid", "MsgTime", "MsgReadState" }
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},
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new MessageSourceSpec
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{
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Source = "group_receipts",
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Table = "TD_GroupReceiptMessage",
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Role = "receipt_metadata",
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RequiredColumns = new string[] { "MsgGuid", "PersonID", "ReceiptTime" }
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},
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new MessageSourceSpec
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{
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Source = "received_file_metadata",
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Table = "TD_ReceiveFileRecord",
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Role = "attachment_metadata",
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RequiredColumns = new string[] { "ReceiveMsgGuid", "FileName", "FileSize", "SourceID", "SourceName", "FileType", "SendPersonJid", "SendPersonName", "SendTime" }
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},
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new MessageSourceSpec
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{
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Source = "recent_conversation_index",
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Table = "tblRecent",
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Role = "conversation_index",
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RequiredColumns = new string[] { "Id", "PersonId", "PersonName", "ActionTime", "FType" }
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}
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};
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}
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private static List<Dictionary<string, object>> BuildMessageSources(List<Dictionary<string, object>> tables, Dictionary<string, HashSet<string>> columnMap, Dictionary<string, string> rowCounts)
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{
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var tableSet = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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foreach (Dictionary<string, object> table in tables)
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{
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if (string.Equals(Convert.ToString(table["type"]), "table", StringComparison.OrdinalIgnoreCase))
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{
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tableSet.Add(Convert.ToString(table["name"]));
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}
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}
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var sources = new List<Dictionary<string, object>>();
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foreach (MessageSourceSpec spec in BuildMessageSourceSpecs())
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{
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AddMessageSource(sources, tableSet, columnMap, rowCounts, spec);
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}
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return sources;
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}
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private static void AddMessageSource(List<Dictionary<string, object>> sources, HashSet<string> tableSet, Dictionary<string, HashSet<string>> columnMap, Dictionary<string, string> rowCounts, MessageSourceSpec spec)
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{
|
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var presentColumns = new List<string>();
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if (columnMap.ContainsKey(spec.Table))
|
|
{
|
|
foreach (string column in spec.RequiredColumns)
|
|
{
|
|
if (columnMap[spec.Table].Contains(column)) presentColumns.Add(column);
|
|
}
|
|
}
|
|
string rowCount = rowCounts.ContainsKey(spec.Table) ? rowCounts[spec.Table] : "0";
|
|
sources.Add(new Dictionary<string, object>
|
|
{
|
|
{ "source", spec.Source },
|
|
{ "table", spec.Table },
|
|
{ "role", spec.Role },
|
|
{ "available", tableSet.Contains(spec.Table) && presentColumns.Count == spec.RequiredColumns.Length },
|
|
{ "required_columns", spec.RequiredColumns },
|
|
{ "present_columns", presentColumns.ToArray() },
|
|
{ "row_count", rowCount }
|
|
});
|
|
}
|
|
|
|
|
|
private sealed class DisplayEntitySpec
|
|
{
|
|
public string EntityType;
|
|
public string SourceTable;
|
|
public string JidColumn;
|
|
public string NameColumn;
|
|
public double Confidence;
|
|
}
|
|
|
|
private static HashSet<string> BuildDisplayEntityTableSet(string entityType)
|
|
{
|
|
var tables = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
|
|
foreach (DisplayEntitySpec spec in BuildDisplayEntitySpecs(entityType))
|
|
{
|
|
tables.Add(spec.SourceTable);
|
|
}
|
|
return tables;
|
|
}
|
|
|
|
private static Dictionary<string, HashSet<string>> BuildColumnMap(List<Dictionary<string, object>> columns)
|
|
{
|
|
var columnMap = new Dictionary<string, HashSet<string>>(StringComparer.OrdinalIgnoreCase);
|
|
foreach (Dictionary<string, object> column in columns)
|
|
{
|
|
string table = Convert.ToString(column["table"]);
|
|
string name = Convert.ToString(column["name"]);
|
|
if (!columnMap.ContainsKey(table)) columnMap[table] = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
|
|
columnMap[table].Add(name);
|
|
}
|
|
return columnMap;
|
|
}
|
|
|
|
private static List<DisplayEntitySpec> BuildDisplayEntitySpecs(string entityType)
|
|
{
|
|
var specs = new List<DisplayEntitySpec>();
|
|
if (string.Equals(entityType, "contacts", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
AddEntitySpec(specs, entityType, "TD_Roster", "JId", "Nick", 0.95);
|
|
AddEntitySpec(specs, entityType, "TD_CustomEffigy", "PersonJid", "PersonName", 0.90);
|
|
AddEntitySpec(specs, entityType, "tblRecent", "PersonId", "PersonName", 0.70);
|
|
AddEntitySpec(specs, entityType, "tblChatLevel", "PersonId", "PersonName", 0.70);
|
|
AddEntitySpec(specs, entityType, "tblPersonMsg", "SndPersonId", "SndPerson", 0.55);
|
|
AddEntitySpec(specs, entityType, "tblPersonMsg", "RecvPersonId", "RecvPerson", 0.55);
|
|
AddEntitySpec(specs, entityType, "tblPersonMsg", "ObjPersonId", "ObjPerson", 0.55);
|
|
}
|
|
else if (string.Equals(entityType, "groups", StringComparison.OrdinalIgnoreCase))
|
|
{
|
|
AddEntitySpec(specs, entityType, "TD_WorkGroupAuth", "GroupJID", "GroupName", 0.90);
|
|
AddEntitySpec(specs, entityType, "TD_WorkGroupAuth", "ChildGroupJid", "GroupName", 0.80);
|
|
AddEntitySpec(specs, entityType, "tblMsgGroupPersonMsg", "MsgGroupId", "MsgGroupName", 0.70);
|
|
AddEntitySpec(specs, entityType, "tblMsgGroupPersonMsg", "SessionPersonId", "SessionPersonName", 0.60);
|
|
}
|
|
return specs;
|
|
}
|
|
|
|
private static void AddEntitySpec(List<DisplayEntitySpec> specs, string entityType, string table, string jidColumn, string nameColumn, double confidence)
|
|
{
|
|
specs.Add(new DisplayEntitySpec
|
|
{
|
|
EntityType = entityType,
|
|
SourceTable = table,
|
|
JidColumn = jidColumn,
|
|
NameColumn = nameColumn,
|
|
Confidence = confidence
|
|
});
|
|
}
|
|
|
|
private static List<Dictionary<string, object>> ReadDisplayEntities(DbConnection connection, string entityType, string query, int limit, Dictionary<string, HashSet<string>> columnMap)
|
|
{
|
|
var rows = new List<Dictionary<string, object>>();
|
|
var seen = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
|
|
foreach (DisplayEntitySpec spec in BuildDisplayEntitySpecs(entityType))
|
|
{
|
|
if (rows.Count >= limit) break;
|
|
if (!columnMap.ContainsKey(spec.SourceTable)) continue;
|
|
if (!columnMap[spec.SourceTable].Contains(spec.JidColumn)) continue;
|
|
if (!columnMap[spec.SourceTable].Contains(spec.NameColumn)) continue;
|
|
ReadDisplayEntitiesForSpec(connection, spec, query, limit - rows.Count, rows, seen);
|
|
}
|
|
return rows;
|
|
}
|
|
|
|
private static void ReadDisplayEntitiesForSpec(DbConnection connection, DisplayEntitySpec spec, string query, int limit, List<Dictionary<string, object>> rows, HashSet<string> seen)
|
|
{
|
|
if (limit <= 0) return;
|
|
using (DbCommand command = connection.CreateCommand())
|
|
{
|
|
string jid = QuoteIdent(spec.JidColumn);
|
|
string name = QuoteIdent(spec.NameColumn);
|
|
command.CommandText =
|
|
"select " + jid + " as jid, " + name + " as display_name from " + QuoteIdent(spec.SourceTable) +
|
|
" where (coalesce(" + jid + ", '') <> '' or coalesce(" + name + ", '') <> '')";
|
|
if (!string.IsNullOrWhiteSpace(query))
|
|
{
|
|
command.CommandText += " and (" + jid + " like @query or " + name + " like @query)";
|
|
DbParameter queryParam = command.CreateParameter();
|
|
queryParam.ParameterName = "@query";
|
|
queryParam.Value = "%" + query + "%";
|
|
command.Parameters.Add(queryParam);
|
|
}
|
|
command.CommandText += " limit " + Convert.ToString(limit);
|
|
|
|
using (DbDataReader reader = command.ExecuteReader())
|
|
{
|
|
while (reader.Read() && rows.Count < limit)
|
|
{
|
|
string entityJid = Convert.ToString(reader["jid"]);
|
|
string displayName = Convert.ToString(reader["display_name"]);
|
|
if (string.IsNullOrWhiteSpace(entityJid) && string.IsNullOrWhiteSpace(displayName)) continue;
|
|
string key = spec.EntityType + "|" + entityJid + "|" + displayName + "|" + spec.SourceTable;
|
|
if (seen.Contains(key)) continue;
|
|
seen.Add(key);
|
|
rows.Add(new Dictionary<string, object>
|
|
{
|
|
{ "entity_type", spec.EntityType },
|
|
{ "source_table", spec.SourceTable },
|
|
{ "jid", entityJid },
|
|
{ "display_name", displayName },
|
|
{ "confidence", spec.Confidence },
|
|
{ "matched_columns", new string[] { spec.JidColumn, spec.NameColumn } }
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void AddSource(List<Dictionary<string, object>> sources, HashSet<string> tableSet, Dictionary<string, HashSet<string>> columnMap, string sourceName, string table, string[] columns)
|
|
{
|
|
var presentColumns = new List<string>();
|
|
if (columnMap.ContainsKey(table))
|
|
{
|
|
foreach (string column in columns)
|
|
{
|
|
if (columnMap[table].Contains(column)) presentColumns.Add(column);
|
|
}
|
|
}
|
|
sources.Add(new Dictionary<string, object>
|
|
{
|
|
{ "source", sourceName },
|
|
{ "table", table },
|
|
{ "available", tableSet.Contains(table) && presentColumns.Count > 0 },
|
|
{ "required_columns", columns },
|
|
{ "present_columns", presentColumns.ToArray() }
|
|
});
|
|
}
|
|
|
|
private static string ExecuteScalar(DbConnection connection, string sql)
|
|
{
|
|
using (DbCommand command = connection.CreateCommand())
|
|
{
|
|
command.CommandText = sql;
|
|
object value = command.ExecuteScalar();
|
|
return Convert.ToString(value);
|
|
}
|
|
}
|
|
|
|
private static void TryExecuteNonQuery(DbConnection connection, string sql)
|
|
{
|
|
try
|
|
{
|
|
using (DbCommand command = connection.CreateCommand())
|
|
{
|
|
command.CommandText = sql;
|
|
command.ExecuteNonQuery();
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
}
|
|
}
|
|
|
|
private static string QuoteIdent(string value)
|
|
{
|
|
return "\"" + value.Replace("\"", "\"\"") + "\"";
|
|
}
|
|
|
|
private static int Clamp(int value, int min, int max)
|
|
{
|
|
if (value < min) return min;
|
|
if (value > max) return max;
|
|
return value;
|
|
}
|
|
}
|
|
}
|