89 lines
2.7 KiB
C#
89 lines
2.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using Nancy;
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using NzbDrone.Api.Extensions;
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namespace NzbDrone.Api.REST
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{
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public abstract class RestModule<TResource> : NancyModule
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where TResource : RestResource<TResource>, new()
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{
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private const string ROOT_ROUTE = "/";
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private const string ID_ROUTE = "/{id}";
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protected RestModule()
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: this(new TResource().ResourceName)
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{
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}
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protected RestModule(string modulePath)
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: base(modulePath)
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{
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Get[ROOT_ROUTE] = options =>
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{
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EnsureImplementation(GetResourceAll);
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var resource = GetResourceAll();
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return resource.AsResponse();
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};
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Get[ID_ROUTE] = options =>
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{
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EnsureImplementation(GetResourceById);
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var resource = GetResourceById(options.Id);
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return resource.AsResponse();
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};
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Post[ROOT_ROUTE] = options =>
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{
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EnsureImplementation(CreateResource);
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var resource = CreateResource(ReadFromRequest());
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return resource.AsResponse(HttpStatusCode.Created);
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};
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Put[ROOT_ROUTE] = options =>
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{
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EnsureImplementation(UpdateResource);
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var resource = UpdateResource(ReadFromRequest());
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return resource.AsResponse(HttpStatusCode.Accepted);
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};
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Delete[ID_ROUTE] = options =>
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{
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EnsureImplementation(DeleteResource);
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DeleteResource(options.Id);
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return new Response { StatusCode = HttpStatusCode.OK };
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};
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}
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protected Action<int> DeleteResource { get; set; }
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protected Func<int, TResource> GetResourceById { get; set; }
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protected Func<List<TResource>> GetResourceAll { get; set; }
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protected Func<TResource, TResource> CreateResource { get; set; }
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protected Func<TResource, TResource> UpdateResource { get; set; }
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private void EnsureImplementation(Delegate implementation)
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{
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if (implementation == null)
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{
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throw new NotImplementedException();
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}
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}
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private TResource ReadFromRequest()
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{
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var resource = Request.Body.FromJson<TResource>();
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if (Request.Method.Equals("POST", StringComparison.InvariantCultureIgnoreCase))
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{
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resource.ValidateForPost();
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}
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else if (Request.Method.Equals("PUT", StringComparison.InvariantCultureIgnoreCase))
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{
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resource.ValidateForPut();
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}
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return resource;
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}
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}
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}
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