Port the configuration service

DicomGrep/DicomGrep.csproj

@@ -9,7 +9,6 @@
  </PropertyGroup>
 
  <ItemGroup>
- <Folder Include="Models\" />
  <AvaloniaResource Include="Assets\**" />
  </ItemGroup>
 
@@ -23,5 +22,6 @@
  <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
  <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="11.0.4" />
  <PackageReference Include="Avalonia.ReactiveUI" Version="11.0.4" />
+ <PackageReference Include="NLog" Version="5.2.3" />
  </ItemGroup>
 </Project>

DicomGrep/Models/Configuration.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace DicomGrep.Models
+{
+ public class Configuration
+ {
+ public List<string> SearchPathHistory { get; set; }
+ public List<string> FileTypesHistory { get; set; }
+ public List<string> SopClassUidHistory { get; set; }
+ public List<string> DicomTagHistory { get; set; }
+ public List<string> SearchTextHistory { get; set; }
+
+ // todo: other configuration item
+ public int HistoryCapacity { get; set; }
+ public SearchCriteria SearchCriteria { get; set; }
+ }
+}

DicomGrep/Models/SearchCriteria.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Text.Json.Serialization;
+
+namespace DicomGrep.Models
+{
+ public class SearchCriteria
+ {
+ public string SearchPath { get; set; }
+ public string SearchSopClassUid { get; set; }
+
+ private string _searchTag;
+
+ public string SearchTag
+ {
+ get => _searchTag;
+ set
+ {
+ _searchTag = value;
+ _searchTagFlattened = value?.Substring(0, value.IndexOf(':') > 0 ? value.IndexOf(':') : value.Length)
+ .Replace("(", "")
+ .Replace(")", "")
+ .Replace(",", "")
+ .Replace(".", "")
+ .Replace(" ", "")
+ .ToUpper();
+ }
+ }
+
+ private string _searchTagFlattened;
+ [JsonIgnore]
+ public string SearchTagFlattened => _searchTagFlattened;
+
+ public string FileTypes { get; set; }
+
+ public string SearchText { get; set; }
+
+ public bool CaseSensitive { get; set; }
+ public bool WholeWord { get; set; }
+ public bool IncludeSubfolders { get; set; }
+
+ [JsonIgnore]
+ public bool SearchInResults { get; set; }
+
+ public int SearchThreads { get; set; }
+
+ public override string ToString()
+ {
+ return
+ $"SearchPath = '{SearchPath}', " +
+ $"SearchSopClassUid = '{SearchSopClassUid}', " +
+ $"SearchTag = '{SearchTag}', " +
+ $"FileTypes = '{FileTypes}', " +
+ $"SearchText = '{SearchText}', " +
+ $"CaseSensitive = {CaseSensitive}, " +
+ $"WholeWord= {WholeWord}, " +
+ $"IncludeSubfolders = {IncludeSubfolders}, " +
+ $"SearchInResults = {SearchInResults}, " +
+ $"SearchThreads = {SearchThreads}";
+ }
+ }
+}

DicomGrep/Services/ConfigurationService.cs

@@ -0,0 +1,97 @@
+using DicomGrep.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.IO;
+using System.Text;
+using System.Text.Json;
+
+namespace DicomGrep.Services
+{
+ public class ConfigurationService
+ {
+ private static readonly NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();
+ private static Configuration CurrentConfiguration { get; set; }
+ public const string CONFIG_FILE = "config.json";
+
+ public Configuration GetConfiguration() => CurrentConfiguration;
+
+ public void SetConfiguration(Configuration config)
+ {
+ CurrentConfiguration = config;
+ //todo: raise configuration changed event
+ }
+
+
+
+ public bool Save()
+ {
+ logger.Info("Saving the configuration to file");
+
+ JsonSerializerOptions option = new JsonSerializerOptions { WriteIndented = true };
+ try
+ {
+ File.WriteAllText(CONFIG_FILE, JsonSerializer.Serialize(CurrentConfiguration, option));
+ }
+ catch(Exception ex)
+ {
+ logger.Error(ex, "Failed to save the configuration to file.");
+ return false;
+ }
+ return true;
+ }
+
+ public bool Load()
+ {
+ logger.Info("Loading the configuration from file");
+ try
+ {
+ if (File.Exists(CONFIG_FILE))
+ {
+ CurrentConfiguration = JsonSerializer.Deserialize<Configuration>(File.ReadAllText(CONFIG_FILE));
+ return true;
+ }
+ }
+ catch (Exception ex)
+ {
+ logger.Error(ex, "Failed to load the configuration from file.");
+ }
+ CurrentConfiguration = DefaultConfiguration();
+ return false;
+ }
+
+
+
+
+
+
+ private static Configuration DefaultConfiguration()
+ {
+ logger.Info("Load default configuration");
+
+ SearchCriteria criteria = new SearchCriteria
+ {
+ SearchPath = Environment.GetFolderPath(Environment.SpecialFolder.CommonDocuments),
+ FileTypes = "*.dcm",
+ SearchSopClassUid = "",
+ SearchTag = "",
+ SearchText = "TREATMENT",
+ IncludeSubfolders = true,
+ SearchInResults = false,
+ SearchThreads = 1
+ };
+
+ return new Configuration
+ {
+ SopClassUidHistory = new List<string> { criteria.SearchSopClassUid },
+ DicomTagHistory = new List<string> { criteria.SearchTag },
+ FileTypesHistory = new List<string> { criteria.FileTypes },
+ SearchPathHistory = new List<string> { criteria.SearchPath },
+ SearchTextHistory = new List<string> { criteria.SearchText },
+ HistoryCapacity = 10,
+ SearchCriteria = criteria
+ };
+ }
+
+ }
+}