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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| namespace LibgenDesktop.Models.Entities | ||
| { | ||
| internal enum LibgenObjectType | ||
| { | ||
| NON_FICTION_BOOK = 1, | ||
| FICTION_BOOK, | ||
| SCIMAG_ARTICLE | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| using System; | ||
| using System.IO; | ||
| using System.Runtime.CompilerServices; | ||
| using System.Text; | ||
|
|
||
| namespace LibgenDesktop.Models.Export | ||
| { | ||
| internal class CsvExportWriter : ExportWriter | ||
| { | ||
| private const char ZERO_WIDTH_SPACE = '\u200b'; | ||
|
|
||
| private readonly StreamWriter streamWriter; | ||
| private readonly char separator; | ||
| private bool firstField; | ||
| private bool disposed; | ||
|
|
||
| public CsvExportWriter(string filePath, char separator) | ||
| { | ||
| streamWriter = new StreamWriter(filePath, false, Encoding.UTF8); | ||
| this.separator = separator; | ||
| firstField = true; | ||
| disposed = false; | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public override void WriteField(int value) | ||
| { | ||
| WriteSeparatorIfNecessary(); | ||
| streamWriter.Write(value); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public override void WriteField(long value) | ||
| { | ||
| WriteSeparatorIfNecessary(); | ||
| streamWriter.Write(value); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public override void WriteField(string value) | ||
| { | ||
| WriteSeparatorIfNecessary(); | ||
| value = value.Replace("\"", "\"\""); | ||
| if (separator == '\t') | ||
| { | ||
| value = value.Replace("\t", String.Empty); | ||
| } | ||
| value = String.Concat("\"", ZERO_WIDTH_SPACE, value, "\""); | ||
| streamWriter.Write(value); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public override void WriteField(DateTime value) | ||
| { | ||
| WriteSeparatorIfNecessary(); | ||
| streamWriter.Write(value.ToString("yyyy-MM-dd HH:mm:ss")); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public override void WriteField(DateTime? value) | ||
| { | ||
| if (value.HasValue) | ||
| { | ||
| WriteField(value.Value); | ||
| } | ||
| else | ||
| { | ||
| WriteSeparatorIfNecessary(); | ||
| } | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| public override void EndRow() | ||
| { | ||
| streamWriter.WriteLine(); | ||
| firstField = true; | ||
| } | ||
|
|
||
| public override void Dispose() | ||
| { | ||
| if (!disposed) | ||
| { | ||
| streamWriter.Dispose(); | ||
| disposed = true; | ||
| } | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| private void WriteSeparatorIfNecessary() | ||
| { | ||
| if (firstField) | ||
| { | ||
| firstField = false; | ||
| } | ||
| else | ||
| { | ||
| streamWriter.Write(separator); | ||
| } | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,10 @@ | ||
| namespace LibgenDesktop.Models.Export | ||
| { | ||
| internal class CsvExporter : Exporter<CsvExportWriter> | ||
| { | ||
| public CsvExporter(string filePathTemplate, string fileExtenstion, int? rowsPerFile, bool splitIntoMultipleFiles, char separator) | ||
| : base(filePathTemplate, rowsPerFile, splitIntoMultipleFiles, fileExtenstion, filePath => new CsvExportWriter(filePath, separator)) | ||
| { | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Runtime.CompilerServices; | ||
| using LibgenDesktop.Models.Entities; | ||
|
|
||
| namespace LibgenDesktop.Models.Export | ||
| { | ||
| internal abstract class ExportObject<T> where T : LibgenObject | ||
| { | ||
| public ExportObject(ExportWriter exportWriter) | ||
| { | ||
| ExportWriter = exportWriter; | ||
| } | ||
|
|
||
| public abstract IEnumerable<string> FieldList { get; } | ||
|
|
||
| protected ExportWriter ExportWriter { get; } | ||
|
|
||
| public abstract void WriteObject(T libgenObject); | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| protected void WriteField(int value) | ||
| { | ||
| ExportWriter.WriteField(value); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| protected void WriteField(long value) | ||
| { | ||
| ExportWriter.WriteField(value); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| protected void WriteField(string value) | ||
| { | ||
| ExportWriter.WriteField(value); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| protected void WriteField(DateTime value) | ||
| { | ||
| ExportWriter.WriteField(value); | ||
| } | ||
|
|
||
| [MethodImpl(MethodImplOptions.AggressiveInlining)] | ||
| protected void WriteField(DateTime? value) | ||
| { | ||
| ExportWriter.WriteField(value); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,20 @@ | ||
| namespace LibgenDesktop.Models.Export | ||
| { | ||
| internal class ExportResult | ||
| { | ||
| public ExportResult(int itemsExported, int filesCreated, string firstFilePath, bool isExportCancelled, bool isRowsPerFileLimitReached) | ||
| { | ||
| ItemsExported = itemsExported; | ||
| FilesCreated = filesCreated; | ||
| FirstFilePath = firstFilePath; | ||
| IsExportCancelled = isExportCancelled; | ||
| IsRowsPerFileLimitReached = isRowsPerFileLimitReached; | ||
| } | ||
|
|
||
| public int ItemsExported { get; } | ||
| public int FilesCreated { get; } | ||
| public string FirstFilePath { get; } | ||
| public bool IsExportCancelled { get; } | ||
| public bool IsRowsPerFileLimitReached { get; } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| using System; | ||
|
|
||
| namespace LibgenDesktop.Models.Export | ||
| { | ||
| internal abstract class ExportWriter : IDisposable | ||
| { | ||
| public abstract void WriteField(int value); | ||
| public abstract void WriteField(long value); | ||
| public abstract void WriteField(string value); | ||
| public abstract void WriteField(DateTime value); | ||
| public abstract void WriteField(DateTime? value); | ||
| public abstract void EndRow(); | ||
| public abstract void Dispose(); | ||
| } | ||
| } |
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