51 lines
1.6 KiB
C#
51 lines
1.6 KiB
C#
using System.Diagnostics.CodeAnalysis;
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using Microsoft.EntityFrameworkCore;
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using OliverBooth.Common.Data.Web;
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using OliverBooth.Common.Services;
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using OliverBooth.Data.Web;
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namespace OliverBooth.Services;
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/// <inheritdoc />
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internal sealed class CodeSnippetService : ICodeSnippetService
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{
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private readonly IDbContextFactory<WebContext> _dbContextFactory;
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/// <summary>
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/// Initializes a new instance of the <see cref="CodeSnippetService" /> class.
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/// </summary>
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/// <param name="dbContextFactory">The <see cref="WebContext" /> factory.</param>
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public CodeSnippetService(IDbContextFactory<WebContext> dbContextFactory)
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{
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_dbContextFactory = dbContextFactory;
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}
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/// <inheritdoc />
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public IReadOnlyList<string> GetLanguagesForSnippet(int id)
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{
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var languages = new HashSet<string>();
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using WebContext context = _dbContextFactory.CreateDbContext();
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foreach (CodeSnippet snippet in context.CodeSnippets.Where(s => s.Id == id))
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{
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languages.Add(snippet.Language);
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}
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return languages.ToArray();
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}
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/// <inheritdoc />
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public bool TryGetCodeSnippetForLanguage(int id, string language, [NotNullWhen(true)] out ICodeSnippet? snippet)
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{
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if (language is null)
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{
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throw new ArgumentNullException(nameof(language));
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}
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using WebContext context = _dbContextFactory.CreateDbContext();
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IQueryable<CodeSnippet> snippets = context.CodeSnippets.Where(s => s.Id == id);
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snippet = snippets.FirstOrDefault(s => s.Language == language);
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return snippet is not null;
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}
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}
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