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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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using System.Reflection;
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using System.Threading.Tasks;
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using Microsoft.Extensions.Logging;
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using Yavsc.Abstract.Workflow;
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using Yavsc.Models;
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using Microsoft.Data.Entity;
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namespace Yavsc.Services
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{
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public class BillingService : IBillingService
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{
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public ApplicationDbContext DbContext { get; private set; }
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private ILogger logger;
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public static Dictionary<string,Func<ApplicationDbContext,long,INominativeQuery>> Billing =
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new Dictionary<string,Func<ApplicationDbContext,long,INominativeQuery>> ();
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public static List<PropertyInfo> UserSettings = new List<PropertyInfo>();
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public static Dictionary<string,string> GlobalBillingMap =
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new Dictionary<string,string>();
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public Dictionary<string,string> BillingMap {
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get { return GlobalBillingMap; }
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}
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public BillingService(ILoggerFactory loggerFactory, ApplicationDbContext dbContext)
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{
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logger = loggerFactory.CreateLogger<BillingService>();
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DbContext = dbContext;
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}
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public Task<INominativeQuery> GetBillAsync(string billingCode, long queryId)
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{
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return Task.FromResult(GetBillable(DbContext,billingCode,queryId));
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}
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public static INominativeQuery GetBillable(ApplicationDbContext context, string billingCode, long queryId ) => Billing[billingCode](context, queryId);
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public async Task<ISpecializationSettings> GetPerformerSettingsAsync(string activityCode, string userId)
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{
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return await (await GetPerformersSettingsAsync(activityCode)).SingleOrDefaultAsync(s=> s.UserId == userId);
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}
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public async Task<IQueryable<ISpecializationSettings>> GetPerformersSettingsAsync(string activityCode)
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{
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var activity = await DbContext.Activities.SingleAsync(a=>a.Code == activityCode);
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if (activity.SettingsClassName==null) return null;
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var dbSetPropInfo = UserSettings.SingleOrDefault(s => s.PropertyType.GenericTypeArguments[0].FullName == activity.SettingsClassName);
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if (dbSetPropInfo == null) return null;
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return (IQueryable<ISpecializationSettings>) dbSetPropInfo.GetValue(DbContext);
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}
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}
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}
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