refactor: simplify export metadata construction
This commit is contained in:
Gary Sharp
@@ -0,0 +1,91 @@
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using Disco.Data.Repository;
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using Disco.Models.Exporting;
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using Disco.Models.Services.Exporting;
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using Disco.Models.Services.Logging;
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using Disco.Services.Exporting;
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using Disco.Services.Logging.Models;
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using Disco.Services.Tasks;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Disco.Services.Logging
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{
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public class LogExport : IExport<LogExportOptions, LogLiveEvent>
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{
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public Guid Id { get; set; }
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public string Name { get; set; }
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public string Description { get; set; }
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public bool TimestampSuffix { get; set; }
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public LogExportOptions Options { get; set; }
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public string SuggestedFilenamePrefix { get; } = "DiscoIctLogs";
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public string ExcelWorksheetName { get; } = "Disco ICT Logs";
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public string ExcelTableName { get; } = "DiscoIctLogs";
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[JsonConstructor]
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private LogExport()
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{
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}
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public LogExport(string name, string description, bool timestampSuffix, LogExportOptions options)
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{
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Id = Guid.NewGuid();
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Name = name;
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Description = description;
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TimestampSuffix = timestampSuffix;
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Options = options;
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}
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public LogExport(LogExportOptions options)
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: this("Log Export", null, true, options)
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{
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}
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public ExportResult Export(DiscoDataContext database, IScheduledTaskStatus status)
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=> Exporter.Export(this, database, status);
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public List<LogLiveEvent> BuildRecords(DiscoDataContext database, IScheduledTaskStatus status)
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{
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var logRetriever = new ReadLogContext()
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{
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Start = Options.StartDate,
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End = Options.EndDate,
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Module = Options.ModuleId,
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EventTypes = Options.EventTypeIds,
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Take = Options.Take,
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};
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return logRetriever.Query(database);
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}
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public ExportMetadata<LogLiveEvent> BuildMetadata(DiscoDataContext database, List<LogLiveEvent> records, IScheduledTaskStatus status)
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{
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var metadata = new ExportMetadata<LogLiveEvent>
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{
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{ nameof(LogLiveEvent.Timestamp), r => r.Timestamp },
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{ nameof(LogLiveEvent.ModuleId), r => r.ModuleId },
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{ nameof(LogLiveEvent.ModuleName), r => r.ModuleName },
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{ nameof(LogLiveEvent.ModuleDescription), r => r.ModuleDescription },
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{ nameof(LogLiveEvent.EventTypeId), r => r.EventTypeId },
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{ nameof(LogLiveEvent.EventTypeName), r => r.EventTypeName },
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{ "Severity", r => r.EventTypeSeverity },
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{ "Message", r => r.FormattedMessage }
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};
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if (records.Count > 0)
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{
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var argCount = records.Max(r => r.Arguments?.Length ?? 0);
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for (var i = 0; i < argCount; i++)
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{
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var index = i;
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var name = $"Data{i + 1:00}";
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metadata.Add(name, r => (r.Arguments?.Length ?? 0) > index ? (r.Arguments[index] ?? "null") : null);
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}
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}
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return metadata;
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}
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}
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}
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@@ -1,102 +0,0 @@
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using Disco.Data.Repository;
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using Disco.Models.Exporting;
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using Disco.Models.Services.Exporting;
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using Disco.Models.Services.Logging;
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using Disco.Services.Exporting;
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using Disco.Services.Logging.Models;
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using Disco.Services.Tasks;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Disco.Services.Logging
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{
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using Metadata = ExportFieldMetadata<LogLiveEvent>;
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public class LogExportContext : IExportContext<LogExportOptions, LogLiveEvent>
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{
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public Guid Id { get; set; }
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public string Name { get; set; }
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public string Description { get; set; }
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public bool TimestampSuffix { get; set; }
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public LogExportOptions Options { get; set; }
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public string SuggestedFilenamePrefix { get; } = "DiscoIctLogs";
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public string ExcelWorksheetName { get; } = "Disco ICT Logs";
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public string ExcelTableName { get; } = "DiscoIctLogs";
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[JsonConstructor]
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private LogExportContext()
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{
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}
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public LogExportContext(string name, string description, bool timestampSuffix, LogExportOptions options)
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{
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Id = Guid.NewGuid();
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Name = name;
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Description = description;
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TimestampSuffix = timestampSuffix;
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Options = options;
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}
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public LogExportContext(LogExportOptions options)
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: this("Log Export", null, true, options)
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{
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}
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public ExportResult Export(DiscoDataContext database, IScheduledTaskStatus status)
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=> Exporter.Export(database, this, status);
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public List<LogLiveEvent> BuildRecords(DiscoDataContext database, IScheduledTaskStatus status)
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{
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var logRetriever = new ReadLogContext()
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{
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Start = Options.StartDate,
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End = Options.EndDate,
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Module = Options.ModuleId,
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EventTypes = Options.EventTypeIds,
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Take = Options.Take,
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};
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return logRetriever.Query(database);
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}
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public List<Metadata> BuildMetadata(DiscoDataContext database, List<LogLiveEvent> records, IScheduledTaskStatus status)
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{
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const string DateFormat = "yyyy-MM-dd";
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const string DateTimeFormat = DateFormat + " HH:mm:ss";
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Func<object, string> csvStringEncoded = (o) => o == null ? null : $"\"{((string)o).Replace("\"", "\"\"")}\"";
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Func<object, string> csvToStringEncoded = (o) => o == null ? null : o.ToString();
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Func<object, string> csvCurrencyEncoded = (o) => ((decimal?)o).HasValue ? ((decimal?)o).Value.ToString("C") : null;
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Func<object, string> csvDateEncoded = (o) => ((DateTime)o).ToString(DateFormat);
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Func<object, string> csvDateTimeEncoded = (o) => ((DateTime)o).ToString(DateTimeFormat);
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Func<object, string> csvNullableDateEncoded = (o) => ((DateTime?)o).HasValue ? csvDateEncoded(o) : null;
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Func<object, string> csvNullableDateTimeEncoded = (o) => ((DateTime?)o).HasValue ? csvDateTimeEncoded(o) : null;
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var metadata = new List<Metadata>
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{
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new Metadata(nameof(LogLiveEvent.Timestamp), nameof(LogLiveEvent.Timestamp), typeof(DateTime), e => e.Timestamp, csvDateTimeEncoded),
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new Metadata(nameof(LogLiveEvent.ModuleId), nameof(LogLiveEvent.ModuleId), typeof(int), e => e.ModuleId, csvToStringEncoded),
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new Metadata(nameof(LogLiveEvent.ModuleName), nameof(LogLiveEvent.ModuleName), typeof(string), e => e.ModuleName, csvStringEncoded),
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new Metadata(nameof(LogLiveEvent.ModuleDescription), nameof(LogLiveEvent.ModuleDescription), typeof(string), e => e.ModuleDescription, csvStringEncoded),
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new Metadata(nameof(LogLiveEvent.EventTypeId), nameof(LogLiveEvent.EventTypeId), typeof(int), e => e.EventTypeId, csvToStringEncoded),
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new Metadata(nameof(LogLiveEvent.EventTypeName), nameof(LogLiveEvent.EventTypeName), typeof(string), e => e.EventTypeName, csvStringEncoded),
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new Metadata("Severity", "Severity", typeof(string), e => e.EventTypeSeverity, csvToStringEncoded),
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new Metadata("Message", "Message", typeof(string), e => e.FormattedMessage, csvStringEncoded),
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};
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if (records.Count > 0)
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{
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var argCount = records.Max(r => r.Arguments?.Length ?? 0);
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for (var i = 0; i < argCount; i++)
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{
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var index = i;
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var name = $"Data{i + 1:00}";
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metadata.Add(new Metadata(name, name, typeof(string), e => (e.Arguments?.Length ?? 0) > index ? (e.Arguments[index] ?? "null") : null, csvStringEncoded));
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}
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}
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return metadata;
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}
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}
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}
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